| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wifi; |
| |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_DISABLED; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_DISABLING; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLING; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_FAILED; |
| import static android.net.wifi.WifiManager.WIFI_STATE_DISABLED; |
| import static android.net.wifi.WifiManager.WIFI_STATE_DISABLING; |
| import static android.net.wifi.WifiManager.WIFI_STATE_ENABLED; |
| import static android.net.wifi.WifiManager.WIFI_STATE_ENABLING; |
| import static android.net.wifi.WifiManager.WIFI_STATE_UNKNOWN; |
| |
| import android.Manifest; |
| import android.app.ActivityManager; |
| import android.app.PendingIntent; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.database.ContentObserver; |
| import android.net.ConnectivityManager; |
| import android.net.DhcpResults; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.NetworkAgent; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkFactory; |
| import android.net.NetworkInfo; |
| import android.net.NetworkInfo.DetailedState; |
| import android.net.NetworkMisc; |
| import android.net.NetworkRequest; |
| import android.net.NetworkUtils; |
| import android.net.RouteInfo; |
| import android.net.StaticIpConfiguration; |
| import android.net.dhcp.DhcpClient; |
| import android.net.ip.IpManager; |
| import android.net.wifi.IApInterface; |
| import android.net.wifi.IClientInterface; |
| import android.net.wifi.IWificond; |
| import android.net.wifi.PasspointManagementObjectDefinition; |
| import android.net.wifi.RssiPacketCountInfo; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.ScanSettings; |
| import android.net.wifi.SupplicantState; |
| import android.net.wifi.WifiChannel; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiConnectionStatistics; |
| import android.net.wifi.WifiEnterpriseConfig; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiLinkLayerStats; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiScanner; |
| import android.net.wifi.WifiSsid; |
| import android.net.wifi.WpsInfo; |
| import android.net.wifi.WpsResult; |
| import android.net.wifi.WpsResult.Status; |
| import android.net.wifi.nan.WifiNanManager; |
| import android.net.wifi.p2p.IWifiP2pManager; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.INetworkManagementService; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.SparseArray; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.util.AsyncChannel; |
| import com.android.internal.util.MessageUtils; |
| import com.android.internal.util.Protocol; |
| import com.android.internal.util.State; |
| import com.android.internal.util.StateMachine; |
| import com.android.server.connectivity.KeepalivePacketData; |
| import com.android.server.wifi.hotspot2.IconEvent; |
| import com.android.server.wifi.hotspot2.NetworkDetail; |
| import com.android.server.wifi.hotspot2.Utils; |
| import com.android.server.wifi.p2p.WifiP2pServiceImpl; |
| import com.android.server.wifi.util.TelephonyUtil; |
| import com.android.server.wifi.util.TelephonyUtil.SimAuthRequestData; |
| import com.android.server.wifi.util.TelephonyUtil.SimAuthResponseData; |
| |
| import java.io.BufferedReader; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.net.Inet4Address; |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Queue; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * TODO: |
| * Deprecate WIFI_STATE_UNKNOWN |
| */ |
| |
| /** |
| * Track the state of Wifi connectivity. All event handling is done here, |
| * and all changes in connectivity state are initiated here. |
| * |
| * Wi-Fi now supports three modes of operation: Client, SoftAp and p2p |
| * In the current implementation, we support concurrent wifi p2p and wifi operation. |
| * The WifiStateMachine handles SoftAp and Client operations while WifiP2pService |
| * handles p2p operation. |
| * |
| * @hide |
| */ |
| public class WifiStateMachine extends StateMachine implements WifiNative.WifiRssiEventHandler, |
| WifiMulticastLockManager.FilterController { |
| |
| private static final String NETWORKTYPE = "WIFI"; |
| private static final String NETWORKTYPE_UNTRUSTED = "WIFI_UT"; |
| @VisibleForTesting public static final short NUM_LOG_RECS_NORMAL = 100; |
| @VisibleForTesting public static final short NUM_LOG_RECS_VERBOSE_LOW_MEMORY = 200; |
| @VisibleForTesting public static final short NUM_LOG_RECS_VERBOSE = 3000; |
| private static final String TAG = "WifiStateMachine"; |
| |
| private static final int ONE_HOUR_MILLI = 1000 * 60 * 60; |
| |
| private static final String GOOGLE_OUI = "DA-A1-19"; |
| |
| private boolean mVerboseLoggingEnabled = false; |
| |
| /* debug flag, indicating if handling of ASSOCIATION_REJECT ended up blacklisting |
| * the corresponding BSSID. |
| */ |
| private boolean didBlackListBSSID = false; |
| |
| /** |
| * Log with error attribute |
| * |
| * @param s is string log |
| */ |
| @Override |
| protected void loge(String s) { |
| Log.e(getName(), s); |
| } |
| @Override |
| protected void logd(String s) { |
| Log.d(getName(), s); |
| } |
| @Override |
| protected void log(String s) { |
| Log.d(getName(), s); |
| } |
| private WifiMetrics mWifiMetrics; |
| private WifiInjector mWifiInjector; |
| private WifiMonitor mWifiMonitor; |
| private WifiNative mWifiNative; |
| private WifiConfigManager mWifiConfigManager; |
| private WifiConnectivityManager mWifiConnectivityManager; |
| private WifiQualifiedNetworkSelector mWifiQualifiedNetworkSelector; |
| private INetworkManagementService mNwService; |
| private IWificond mWificond; |
| private IClientInterface mClientInterface; |
| private ConnectivityManager mCm; |
| private BaseWifiDiagnostics mWifiDiagnostics; |
| private WifiApConfigStore mWifiApConfigStore; |
| private final boolean mP2pSupported; |
| private final AtomicBoolean mP2pConnected = new AtomicBoolean(false); |
| private final boolean mNanSupported; |
| private boolean mTemporarilyDisconnectWifi = false; |
| private final String mPrimaryDeviceType; |
| private final Clock mClock; |
| private final PropertyService mPropertyService; |
| private final BuildProperties mBuildProperties; |
| private final WifiCountryCode mCountryCode; |
| // Object holding most recent wifi score report and bad Linkspeed count |
| private final WifiScoreReport mWifiScoreReport; |
| |
| /* Scan results handling */ |
| private List<ScanDetail> mScanResults = new ArrayList<>(); |
| private final Object mScanResultsLock = new Object(); |
| |
| // For debug, number of known scan results that were found as part of last scan result event, |
| // as well the number of scans results returned by the supplicant with that message |
| private int mNumScanResultsKnown; |
| private int mNumScanResultsReturned; |
| |
| private boolean mScreenOn = false; |
| |
| private final String mInterfaceName; |
| |
| private int mLastSignalLevel = -1; |
| private String mLastBssid; |
| private int mLastNetworkId; // The network Id we successfully joined |
| private boolean mIsLinkDebouncing = false; |
| private final StateMachineDeathRecipient mDeathRecipient = |
| new StateMachineDeathRecipient(this, CMD_CLIENT_INTERFACE_BINDER_DEATH); |
| |
| @Override |
| public void onRssiThresholdBreached(byte curRssi) { |
| if (mVerboseLoggingEnabled) { |
| Log.e(TAG, "onRssiThresholdBreach event. Cur Rssi = " + curRssi); |
| } |
| sendMessage(CMD_RSSI_THRESHOLD_BREACH, curRssi); |
| } |
| |
| public void processRssiThreshold(byte curRssi, int reason) { |
| if (curRssi == Byte.MAX_VALUE || curRssi == Byte.MIN_VALUE) { |
| Log.wtf(TAG, "processRssiThreshold: Invalid rssi " + curRssi); |
| return; |
| } |
| for (int i = 0; i < mRssiRanges.length; i++) { |
| if (curRssi < mRssiRanges[i]) { |
| // Assume sorted values(ascending order) for rssi, |
| // bounded by high(127) and low(-128) at extremeties |
| byte maxRssi = mRssiRanges[i]; |
| byte minRssi = mRssiRanges[i-1]; |
| // This value of hw has to be believed as this value is averaged and has breached |
| // the rssi thresholds and raised event to host. This would be eggregious if this |
| // value is invalid |
| mWifiInfo.setRssi(curRssi); |
| updateCapabilities(getCurrentWifiConfiguration()); |
| int ret = startRssiMonitoringOffload(maxRssi, minRssi); |
| Log.d(TAG, "Re-program RSSI thresholds for " + smToString(reason) + |
| ": [" + minRssi + ", " + maxRssi + "], curRssi=" + curRssi + " ret=" + ret); |
| break; |
| } |
| } |
| } |
| |
| // Testing various network disconnect cases by sending lots of spurious |
| // disconnect to supplicant |
| private boolean testNetworkDisconnect = false; |
| |
| private boolean mEnableRssiPolling = false; |
| private int mRssiPollToken = 0; |
| /* 3 operational states for STA operation: CONNECT_MODE, SCAN_ONLY_MODE, SCAN_ONLY_WIFI_OFF_MODE |
| * In CONNECT_MODE, the STA can scan and connect to an access point |
| * In SCAN_ONLY_MODE, the STA can only scan for access points |
| * In SCAN_ONLY_WIFI_OFF_MODE, the STA can only scan for access points with wifi toggle being off |
| */ |
| private int mOperationalMode = CONNECT_MODE; |
| private boolean mIsScanOngoing = false; |
| private boolean mIsFullScanOngoing = false; |
| private boolean mSendScanResultsBroadcast = false; |
| |
| private final Queue<Message> mBufferedScanMsg = new LinkedList<>(); |
| private static final int UNKNOWN_SCAN_SOURCE = -1; |
| private static final int ADD_OR_UPDATE_SOURCE = -3; |
| |
| private static final int SCAN_REQUEST_BUFFER_MAX_SIZE = 10; |
| private static final String CUSTOMIZED_SCAN_SETTING = "customized_scan_settings"; |
| private static final String CUSTOMIZED_SCAN_WORKSOURCE = "customized_scan_worksource"; |
| private static final String SCAN_REQUEST_TIME = "scan_request_time"; |
| |
| /* Tracks if state machine has received any screen state change broadcast yet. |
| * We can miss one of these at boot. |
| */ |
| private AtomicBoolean mScreenBroadcastReceived = new AtomicBoolean(false); |
| |
| private boolean mBluetoothConnectionActive = false; |
| |
| private PowerManager.WakeLock mSuspendWakeLock; |
| |
| /** |
| * Interval in milliseconds between polling for RSSI |
| * and linkspeed information |
| */ |
| private static final int POLL_RSSI_INTERVAL_MSECS = 3000; |
| |
| /** |
| * Interval in milliseconds between receiving a disconnect event |
| * while connected to a good AP, and handling the disconnect proper |
| */ |
| private static final int LINK_FLAPPING_DEBOUNCE_MSEC = 4000; |
| |
| /** |
| * Delay between supplicant restarts upon failure to establish connection |
| */ |
| private static final int SUPPLICANT_RESTART_INTERVAL_MSECS = 5000; |
| |
| /** |
| * Number of times we attempt to restart supplicant |
| */ |
| private static final int SUPPLICANT_RESTART_TRIES = 5; |
| |
| private int mSupplicantRestartCount = 0; |
| /* Tracks sequence number on stop failure message */ |
| private int mSupplicantStopFailureToken = 0; |
| |
| /** |
| * The link properties of the wifi interface. |
| * Do not modify this directly; use updateLinkProperties instead. |
| */ |
| private LinkProperties mLinkProperties; |
| |
| /* Tracks sequence number on a periodic scan message */ |
| private int mPeriodicScanToken = 0; |
| |
| // Wakelock held during wifi start/stop and driver load/unload |
| private PowerManager.WakeLock mWakeLock; |
| |
| private Context mContext; |
| |
| private final Object mDhcpResultsLock = new Object(); |
| private DhcpResults mDhcpResults; |
| |
| // NOTE: Do not return to clients - use #getWiFiInfoForUid(int) |
| private final WifiInfo mWifiInfo; |
| private NetworkInfo mNetworkInfo; |
| private final NetworkCapabilities mDfltNetworkCapabilities; |
| private SupplicantStateTracker mSupplicantStateTracker; |
| |
| private int mWifiLinkLayerStatsSupported = 4; // Temporary disable |
| |
| // Whether the state machine goes thru the Disconnecting->Disconnected->ObtainingIpAddress |
| private boolean mAutoRoaming = false; |
| |
| // Roaming failure count |
| private int mRoamFailCount = 0; |
| |
| // This is the BSSID we are trying to associate to, it can be set to "any" |
| // if we havent selected a BSSID for joining. |
| // if we havent selected a BSSID for joining. |
| // The BSSID we are associated to is found in mWifiInfo |
| private String mTargetRoamBSSID = "any"; |
| //This one is used to track whta is the current target network ID. This is used for error |
| // handling during connection setup since many error message from supplicant does not report |
| // SSID Once connected, it will be set to invalid |
| private int mTargetNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| |
| private long mLastDriverRoamAttempt = 0; |
| |
| private WifiConfiguration targetWificonfiguration = null; |
| |
| // Used as debug to indicate which configuration last was saved |
| private WifiConfiguration lastSavedConfigurationAttempt = null; |
| |
| // Used as debug to indicate which configuration last was removed |
| private WifiConfiguration lastForgetConfigurationAttempt = null; |
| |
| boolean isRoaming() { |
| return mAutoRoaming; |
| } |
| |
| public void autoRoamSetBSSID(int netId, String bssid) { |
| autoRoamSetBSSID(mWifiConfigManager.getWifiConfiguration(netId), bssid); |
| } |
| |
| public boolean autoRoamSetBSSID(WifiConfiguration config, String bssid) { |
| boolean ret = true; |
| if (mTargetRoamBSSID == null) mTargetRoamBSSID = "any"; |
| if (bssid == null) bssid = "any"; |
| if (config == null) return false; // Nothing to do |
| |
| if (mTargetRoamBSSID != null |
| && bssid.equals(mTargetRoamBSSID) && bssid.equals(config.BSSID)) { |
| return false; // We didnt change anything |
| } |
| if (!mTargetRoamBSSID.equals("any") && bssid.equals("any")) { |
| // Changing to ANY |
| if (!WifiConfigManager.ROAM_ON_ANY) { |
| ret = false; // Nothing to do |
| } |
| } |
| if (config.BSSID != null) { |
| bssid = config.BSSID; |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "force BSSID to " + bssid + "due to config"); |
| } |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| logd("autoRoamSetBSSID " + bssid + " key=" + config.configKey()); |
| } |
| mTargetRoamBSSID = bssid; |
| mWifiConfigManager.saveWifiConfigBSSID(config, bssid); |
| return ret; |
| } |
| |
| /** |
| * set Config's default BSSID (for association purpose) |
| * @param config config need set BSSID |
| * @param bssid default BSSID to assocaite with when connect to this network |
| * @return false -- does not change the current default BSSID of the configure |
| * true -- change the current default BSSID of the configur |
| */ |
| private boolean setTargetBssid(WifiConfiguration config, String bssid) { |
| if (config == null) { |
| return false; |
| } |
| |
| if (config.BSSID != null) { |
| bssid = config.BSSID; |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "force BSSID to " + bssid + "due to config"); |
| } |
| } |
| |
| if (bssid == null) { |
| bssid = "any"; |
| } |
| |
| String networkSelectionBSSID = config.getNetworkSelectionStatus() |
| .getNetworkSelectionBSSID(); |
| if (networkSelectionBSSID != null && networkSelectionBSSID.equals(bssid)) { |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Current preferred BSSID is the same as the target one"); |
| } |
| return false; |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "target set to " + config.SSID + ":" + bssid); |
| } |
| mTargetRoamBSSID = bssid; |
| mWifiConfigManager.saveWifiConfigBSSID(config, bssid); |
| return true; |
| } |
| /** |
| * Save the UID correctly depending on if this is a new or existing network. |
| * @return true if operation is authorized, false otherwise |
| */ |
| boolean recordUidIfAuthorized(WifiConfiguration config, int uid, boolean onlyAnnotate) { |
| if (!mWifiConfigManager.isNetworkConfigured(config)) { |
| config.creatorUid = uid; |
| config.creatorName = mContext.getPackageManager().getNameForUid(uid); |
| } else if (!mWifiConfigManager.canModifyNetwork(uid, config, onlyAnnotate)) { |
| return false; |
| } |
| |
| config.lastUpdateUid = uid; |
| config.lastUpdateName = mContext.getPackageManager().getNameForUid(uid); |
| |
| return true; |
| |
| } |
| |
| /** |
| * Checks to see if user has specified if the apps configuration is connectable. |
| * If the user hasn't specified we query the user and return true. |
| * |
| * @param message The message to be deferred |
| * @param netId Network id of the configuration to check against |
| * @param allowOverride If true we won't defer to the user if the uid of the message holds the |
| * CONFIG_OVERRIDE_PERMISSION |
| * @return True if we are waiting for user feedback or netId is invalid. False otherwise. |
| */ |
| boolean deferForUserInput(Message message, int netId, boolean allowOverride){ |
| final WifiConfiguration config = mWifiConfigManager.getWifiConfiguration(netId); |
| |
| // We can only evaluate saved configurations. |
| if (config == null) { |
| logd("deferForUserInput: configuration for netId=" + netId + " not stored"); |
| return true; |
| } |
| |
| switch (config.userApproved) { |
| case WifiConfiguration.USER_APPROVED: |
| case WifiConfiguration.USER_BANNED: |
| return false; |
| case WifiConfiguration.USER_PENDING: |
| default: // USER_UNSPECIFIED |
| /* the intention was to ask user here; but a dialog box is * |
| * too invasive; so we are going to allow connection for now */ |
| config.userApproved = WifiConfiguration.USER_APPROVED; |
| return false; |
| } |
| } |
| |
| private final IpManager mIpManager; |
| |
| /* Tracks current frequency mode */ |
| private AtomicInteger mFrequencyBand = new AtomicInteger(WifiManager.WIFI_FREQUENCY_BAND_AUTO); |
| |
| // Channel for sending replies. |
| private AsyncChannel mReplyChannel = new AsyncChannel(); |
| |
| private WifiP2pServiceImpl mWifiP2pServiceImpl; |
| private WifiNanManager mWifiNanManager; |
| |
| // Used to initiate a connection with WifiP2pService |
| private AsyncChannel mWifiP2pChannel; |
| |
| private WifiScanner mWifiScanner; |
| |
| @GuardedBy("mWifiReqCountLock") |
| private int mConnectionReqCount = 0; |
| private WifiNetworkFactory mNetworkFactory; |
| @GuardedBy("mWifiReqCountLock") |
| private int mUntrustedReqCount = 0; |
| private UntrustedWifiNetworkFactory mUntrustedNetworkFactory; |
| private WifiNetworkAgent mNetworkAgent; |
| private final Object mWifiReqCountLock = new Object(); |
| |
| private byte[] mRssiRanges; |
| |
| // Keep track of various statistics, for retrieval by System Apps, i.e. under @SystemApi |
| // We should really persist that into the networkHistory.txt file, and read it back when |
| // WifiStateMachine starts up |
| private WifiConnectionStatistics mWifiConnectionStatistics = new WifiConnectionStatistics(); |
| |
| // Used to filter out requests we couldn't possibly satisfy. |
| private final NetworkCapabilities mNetworkCapabilitiesFilter = new NetworkCapabilities(); |
| |
| // Provide packet filter capabilities to ConnectivityService. |
| private final NetworkMisc mNetworkMisc = new NetworkMisc(); |
| |
| /* The base for wifi message types */ |
| static final int BASE = Protocol.BASE_WIFI; |
| /* Start the supplicant */ |
| static final int CMD_START_SUPPLICANT = BASE + 11; |
| /* Stop the supplicant */ |
| static final int CMD_STOP_SUPPLICANT = BASE + 12; |
| /* Indicates Static IP succeeded */ |
| static final int CMD_STATIC_IP_SUCCESS = BASE + 15; |
| /* Indicates Static IP failed */ |
| static final int CMD_STATIC_IP_FAILURE = BASE + 16; |
| /* Indicates supplicant stop failed */ |
| static final int CMD_STOP_SUPPLICANT_FAILED = BASE + 17; |
| /* A delayed message sent to start driver when it fail to come up */ |
| static final int CMD_DRIVER_START_TIMED_OUT = BASE + 19; |
| |
| /* Start the soft access point */ |
| static final int CMD_START_AP = BASE + 21; |
| /* Indicates soft ap start failed */ |
| static final int CMD_START_AP_FAILURE = BASE + 22; |
| /* Stop the soft access point */ |
| static final int CMD_STOP_AP = BASE + 23; |
| /* Soft access point teardown is completed. */ |
| static final int CMD_AP_STOPPED = BASE + 24; |
| |
| static final int CMD_BLUETOOTH_ADAPTER_STATE_CHANGE = BASE + 31; |
| |
| /* Supplicant commands */ |
| /* Is supplicant alive ? */ |
| static final int CMD_PING_SUPPLICANT = BASE + 51; |
| /* Add/update a network configuration */ |
| static final int CMD_ADD_OR_UPDATE_NETWORK = BASE + 52; |
| /* Delete a network */ |
| static final int CMD_REMOVE_NETWORK = BASE + 53; |
| /* Enable a network. The device will attempt a connection to the given network. */ |
| static final int CMD_ENABLE_NETWORK = BASE + 54; |
| /* Enable all networks */ |
| static final int CMD_ENABLE_ALL_NETWORKS = BASE + 55; |
| /* Blacklist network. De-prioritizes the given BSSID for connection. */ |
| static final int CMD_BLACKLIST_NETWORK = BASE + 56; |
| /* Clear the blacklist network list */ |
| static final int CMD_CLEAR_BLACKLIST = BASE + 57; |
| /* Save configuration */ |
| static final int CMD_SAVE_CONFIG = BASE + 58; |
| /* Get configured networks */ |
| static final int CMD_GET_CONFIGURED_NETWORKS = BASE + 59; |
| /* Get available frequencies */ |
| static final int CMD_GET_CAPABILITY_FREQ = BASE + 60; |
| /* Get adaptors */ |
| static final int CMD_GET_SUPPORTED_FEATURES = BASE + 61; |
| /* Get configured networks with real preSharedKey */ |
| static final int CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS = BASE + 62; |
| /* Get Link Layer Stats thru HAL */ |
| static final int CMD_GET_LINK_LAYER_STATS = BASE + 63; |
| /* Supplicant commands after driver start*/ |
| /* Initiate a scan */ |
| static final int CMD_START_SCAN = BASE + 71; |
| /* Set operational mode. CONNECT, SCAN ONLY, SCAN_ONLY with Wi-Fi off mode */ |
| static final int CMD_SET_OPERATIONAL_MODE = BASE + 72; |
| /* Disconnect from a network */ |
| static final int CMD_DISCONNECT = BASE + 73; |
| /* Reconnect to a network */ |
| static final int CMD_RECONNECT = BASE + 74; |
| /* Reassociate to a network */ |
| static final int CMD_REASSOCIATE = BASE + 75; |
| /* Get Connection Statistis */ |
| static final int CMD_GET_CONNECTION_STATISTICS = BASE + 76; |
| |
| /* Controls suspend mode optimizations |
| * |
| * When high perf mode is enabled, suspend mode optimizations are disabled |
| * |
| * When high perf mode is disabled, suspend mode optimizations are enabled |
| * |
| * Suspend mode optimizations include: |
| * - packet filtering |
| * - turn off roaming |
| * - DTIM wake up settings |
| */ |
| static final int CMD_SET_HIGH_PERF_MODE = BASE + 77; |
| /* Enables RSSI poll */ |
| static final int CMD_ENABLE_RSSI_POLL = BASE + 82; |
| /* RSSI poll */ |
| static final int CMD_RSSI_POLL = BASE + 83; |
| /* Enable suspend mode optimizations in the driver */ |
| static final int CMD_SET_SUSPEND_OPT_ENABLED = BASE + 86; |
| /* Delayed NETWORK_DISCONNECT */ |
| static final int CMD_DELAYED_NETWORK_DISCONNECT = BASE + 87; |
| /* When there are no saved networks, we do a periodic scan to notify user of |
| * an open network */ |
| static final int CMD_NO_NETWORKS_PERIODIC_SCAN = BASE + 88; |
| /* Test network Disconnection NETWORK_DISCONNECT */ |
| static final int CMD_TEST_NETWORK_DISCONNECT = BASE + 89; |
| |
| private int testNetworkDisconnectCounter = 0; |
| |
| /* Set the frequency band */ |
| static final int CMD_SET_FREQUENCY_BAND = BASE + 90; |
| /* Enable TDLS on a specific MAC address */ |
| static final int CMD_ENABLE_TDLS = BASE + 92; |
| |
| /** |
| * Watchdog for protecting against b/16823537 |
| * Leave time for 4-way handshake to succeed |
| */ |
| static final int ROAM_GUARD_TIMER_MSEC = 15000; |
| |
| int roamWatchdogCount = 0; |
| /* Roam state watchdog */ |
| static final int CMD_ROAM_WATCHDOG_TIMER = BASE + 94; |
| /* Screen change intent handling */ |
| static final int CMD_SCREEN_STATE_CHANGED = BASE + 95; |
| |
| /* Disconnecting state watchdog */ |
| static final int CMD_DISCONNECTING_WATCHDOG_TIMER = BASE + 96; |
| |
| /* Remove a packages associated configrations */ |
| static final int CMD_REMOVE_APP_CONFIGURATIONS = BASE + 97; |
| |
| /* Disable an ephemeral network */ |
| static final int CMD_DISABLE_EPHEMERAL_NETWORK = BASE + 98; |
| |
| /* Get matching network */ |
| static final int CMD_GET_MATCHING_CONFIG = BASE + 99; |
| |
| /* alert from firmware */ |
| static final int CMD_FIRMWARE_ALERT = BASE + 100; |
| |
| /* SIM is removed; reset any cached data for it */ |
| static final int CMD_RESET_SIM_NETWORKS = BASE + 101; |
| |
| /* OSU APIs */ |
| static final int CMD_ADD_PASSPOINT_MO = BASE + 102; |
| static final int CMD_MODIFY_PASSPOINT_MO = BASE + 103; |
| static final int CMD_QUERY_OSU_ICON = BASE + 104; |
| |
| /* try to match a provider with current network */ |
| static final int CMD_MATCH_PROVIDER_NETWORK = BASE + 105; |
| |
| /* Commands from/to the SupplicantStateTracker */ |
| /* Reset the supplicant state tracker */ |
| static final int CMD_RESET_SUPPLICANT_STATE = BASE + 111; |
| |
| int disconnectingWatchdogCount = 0; |
| static final int DISCONNECTING_GUARD_TIMER_MSEC = 5000; |
| |
| /* P2p commands */ |
| /* We are ok with no response here since we wont do much with it anyway */ |
| public static final int CMD_ENABLE_P2P = BASE + 131; |
| /* In order to shut down supplicant cleanly, we wait till p2p has |
| * been disabled */ |
| public static final int CMD_DISABLE_P2P_REQ = BASE + 132; |
| public static final int CMD_DISABLE_P2P_RSP = BASE + 133; |
| |
| public static final int CMD_BOOT_COMPLETED = BASE + 134; |
| |
| /* We now have a valid IP configuration. */ |
| static final int CMD_IP_CONFIGURATION_SUCCESSFUL = BASE + 138; |
| /* We no longer have a valid IP configuration. */ |
| static final int CMD_IP_CONFIGURATION_LOST = BASE + 139; |
| /* Link configuration (IP address, DNS, ...) changes notified via netlink */ |
| static final int CMD_UPDATE_LINKPROPERTIES = BASE + 140; |
| |
| /* Supplicant is trying to associate to a given BSSID */ |
| static final int CMD_TARGET_BSSID = BASE + 141; |
| |
| /* Reload all networks and reconnect */ |
| static final int CMD_RELOAD_TLS_AND_RECONNECT = BASE + 142; |
| |
| static final int CMD_AUTO_CONNECT = BASE + 143; |
| |
| private static final int NETWORK_STATUS_UNWANTED_DISCONNECT = 0; |
| private static final int NETWORK_STATUS_UNWANTED_VALIDATION_FAILED = 1; |
| private static final int NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN = 2; |
| |
| static final int CMD_UNWANTED_NETWORK = BASE + 144; |
| |
| static final int CMD_AUTO_ROAM = BASE + 145; |
| |
| static final int CMD_AUTO_SAVE_NETWORK = BASE + 146; |
| |
| static final int CMD_ASSOCIATED_BSSID = BASE + 147; |
| |
| static final int CMD_NETWORK_STATUS = BASE + 148; |
| |
| /* A layer 3 neighbor on the Wi-Fi link became unreachable. */ |
| static final int CMD_IP_REACHABILITY_LOST = BASE + 149; |
| |
| /* Remove a packages associated configrations */ |
| static final int CMD_REMOVE_USER_CONFIGURATIONS = BASE + 152; |
| |
| static final int CMD_ACCEPT_UNVALIDATED = BASE + 153; |
| |
| /* used to offload sending IP packet */ |
| static final int CMD_START_IP_PACKET_OFFLOAD = BASE + 160; |
| |
| /* used to stop offload sending IP packet */ |
| static final int CMD_STOP_IP_PACKET_OFFLOAD = BASE + 161; |
| |
| /* used to start rssi monitoring in hw */ |
| static final int CMD_START_RSSI_MONITORING_OFFLOAD = BASE + 162; |
| |
| /* used to stop rssi moniroting in hw */ |
| static final int CMD_STOP_RSSI_MONITORING_OFFLOAD = BASE + 163; |
| |
| /* used to indicated RSSI threshold breach in hw */ |
| static final int CMD_RSSI_THRESHOLD_BREACH = BASE + 164; |
| |
| /* used to indicate that the foreground user was switched */ |
| static final int CMD_USER_SWITCH = BASE + 165; |
| |
| /* Enable/Disable WifiConnectivityManager */ |
| static final int CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER = BASE + 166; |
| |
| /* Enable/Disable AutoJoin when associated */ |
| static final int CMD_ENABLE_AUTOJOIN_WHEN_ASSOCIATED = BASE + 167; |
| |
| /** |
| * Used to handle messages bounced between WifiStateMachine and IpManager. |
| */ |
| static final int CMD_IPV4_PROVISIONING_SUCCESS = BASE + 200; |
| static final int CMD_IPV4_PROVISIONING_FAILURE = BASE + 201; |
| |
| /* Push a new APF program to the HAL */ |
| static final int CMD_INSTALL_PACKET_FILTER = BASE + 202; |
| |
| /* Enable/disable fallback packet filtering */ |
| static final int CMD_SET_FALLBACK_PACKET_FILTERING = BASE + 203; |
| |
| /* Enable/disable Neighbor Discovery offload functionality. */ |
| static final int CMD_CONFIG_ND_OFFLOAD = BASE + 204; |
| |
| /** |
| * Signals that IClientInterface instance underpinning our state is dead. |
| */ |
| private static final int CMD_CLIENT_INTERFACE_BINDER_DEATH = BASE + 250; |
| |
| // For message logging. |
| private static final Class[] sMessageClasses = { |
| AsyncChannel.class, WifiStateMachine.class, DhcpClient.class }; |
| private static final SparseArray<String> sSmToString = |
| MessageUtils.findMessageNames(sMessageClasses); |
| |
| |
| /* Wifi state machine modes of operation */ |
| /* CONNECT_MODE - connect to any 'known' AP when it becomes available */ |
| public static final int CONNECT_MODE = 1; |
| /* SCAN_ONLY_MODE - don't connect to any APs; scan, but only while apps hold lock */ |
| public static final int SCAN_ONLY_MODE = 2; |
| /* SCAN_ONLY_WITH_WIFI_OFF - scan, but don't connect to any APs */ |
| public static final int SCAN_ONLY_WITH_WIFI_OFF_MODE = 3; |
| /* DISABLED_MODE - Don't connect, don't scan, don't be an AP */ |
| public static final int DISABLED_MODE = 4; |
| |
| private static final int SUCCESS = 1; |
| private static final int FAILURE = -1; |
| |
| /* Tracks if suspend optimizations need to be disabled by DHCP, |
| * screen or due to high perf mode. |
| * When any of them needs to disable it, we keep the suspend optimizations |
| * disabled |
| */ |
| private int mSuspendOptNeedsDisabled = 0; |
| |
| private static final int SUSPEND_DUE_TO_DHCP = 1; |
| private static final int SUSPEND_DUE_TO_HIGH_PERF = 1 << 1; |
| private static final int SUSPEND_DUE_TO_SCREEN = 1 << 2; |
| |
| /* Tracks if user has enabled suspend optimizations through settings */ |
| private AtomicBoolean mUserWantsSuspendOpt = new AtomicBoolean(true); |
| |
| /** |
| * Scan period for the NO_NETWORKS_PERIIDOC_SCAN_FEATURE |
| */ |
| private final int mNoNetworksPeriodicScan; |
| |
| /** |
| * Supplicant scan interval in milliseconds. |
| * Comes from {@link Settings.Global#WIFI_SUPPLICANT_SCAN_INTERVAL_MS} or |
| * from the default config if the setting is not set |
| */ |
| private long mSupplicantScanIntervalMs; |
| |
| /** |
| * Minimum time interval between enabling all networks. |
| * A device can end up repeatedly connecting to a bad network on screen on/off toggle |
| * due to enabling every time. We add a threshold to avoid this. |
| */ |
| private static final int MIN_INTERVAL_ENABLE_ALL_NETWORKS_MS = 10 * 60 * 1000; /* 10 minutes */ |
| private long mLastEnableAllNetworksTime; |
| |
| int mRunningBeaconCount = 0; |
| |
| /* Default parent state */ |
| private State mDefaultState = new DefaultState(); |
| /* Temporary initial state */ |
| private State mInitialState = new InitialState(); |
| /* Driver loaded, waiting for supplicant to start */ |
| private State mSupplicantStartingState = new SupplicantStartingState(); |
| /* Driver loaded and supplicant ready */ |
| private State mSupplicantStartedState = new SupplicantStartedState(); |
| /* Waiting for supplicant to stop and monitor to exit */ |
| private State mSupplicantStoppingState = new SupplicantStoppingState(); |
| /* Wait until p2p is disabled |
| * This is a special state which is entered right after we exit out of DriverStartedState |
| * before transitioning to another state. |
| */ |
| private State mWaitForP2pDisableState = new WaitForP2pDisableState(); |
| /* Scan for networks, no connection will be established */ |
| private State mScanModeState = new ScanModeState(); |
| /* Connecting to an access point */ |
| private State mConnectModeState = new ConnectModeState(); |
| /* Connected at 802.11 (L2) level */ |
| private State mL2ConnectedState = new L2ConnectedState(); |
| /* fetching IP after connection to access point (assoc+auth complete) */ |
| private State mObtainingIpState = new ObtainingIpState(); |
| /* Connected with IP addr */ |
| private State mConnectedState = new ConnectedState(); |
| /* Roaming */ |
| private State mRoamingState = new RoamingState(); |
| /* disconnect issued, waiting for network disconnect confirmation */ |
| private State mDisconnectingState = new DisconnectingState(); |
| /* Network is not connected, supplicant assoc+auth is not complete */ |
| private State mDisconnectedState = new DisconnectedState(); |
| /* Waiting for WPS to be completed*/ |
| private State mWpsRunningState = new WpsRunningState(); |
| /* Soft ap state */ |
| private State mSoftApState = new SoftApState(); |
| |
| /** |
| * One of {@link WifiManager#WIFI_STATE_DISABLED}, |
| * {@link WifiManager#WIFI_STATE_DISABLING}, |
| * {@link WifiManager#WIFI_STATE_ENABLED}, |
| * {@link WifiManager#WIFI_STATE_ENABLING}, |
| * {@link WifiManager#WIFI_STATE_UNKNOWN} |
| */ |
| private final AtomicInteger mWifiState = new AtomicInteger(WIFI_STATE_DISABLED); |
| |
| /** |
| * One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, |
| * {@link WifiManager#WIFI_AP_STATE_DISABLING}, |
| * {@link WifiManager#WIFI_AP_STATE_ENABLED}, |
| * {@link WifiManager#WIFI_AP_STATE_ENABLING}, |
| * {@link WifiManager#WIFI_AP_STATE_FAILED} |
| */ |
| private final AtomicInteger mWifiApState = new AtomicInteger(WIFI_AP_STATE_DISABLED); |
| |
| /** |
| * Work source to use to blame usage on the WiFi service |
| */ |
| public static final WorkSource WIFI_WORK_SOURCE = new WorkSource(Process.WIFI_UID); |
| |
| /** |
| * Keep track of whether WIFI is running. |
| */ |
| private boolean mIsRunning = false; |
| |
| /** |
| * Keep track of whether we last told the battery stats we had started. |
| */ |
| private boolean mReportedRunning = false; |
| |
| /** |
| * Most recently set source of starting WIFI. |
| */ |
| private final WorkSource mRunningWifiUids = new WorkSource(); |
| |
| /** |
| * The last reported UIDs that were responsible for starting WIFI. |
| */ |
| private final WorkSource mLastRunningWifiUids = new WorkSource(); |
| |
| private TelephonyManager mTelephonyManager; |
| private TelephonyManager getTelephonyManager() { |
| if (mTelephonyManager == null) { |
| mTelephonyManager = mWifiInjector.makeTelephonyManager(); |
| } |
| return mTelephonyManager; |
| } |
| |
| private final IBatteryStats mBatteryStats; |
| |
| private final String mTcpBufferSizes; |
| |
| // Used for debug and stats gathering |
| private static int sScanAlarmIntentCount = 0; |
| |
| private FrameworkFacade mFacade; |
| |
| private final BackupManagerProxy mBackupManagerProxy; |
| |
| private int mSystemUiUid = -1; |
| |
| public WifiStateMachine(Context context, FrameworkFacade facade, Looper looper, |
| UserManager userManager, WifiInjector wifiInjector, |
| BackupManagerProxy backupManagerProxy, WifiCountryCode countryCode, |
| WifiNative wifiNative) { |
| super("WifiStateMachine", looper); |
| mWifiInjector = wifiInjector; |
| mWifiMetrics = mWifiInjector.getWifiMetrics(); |
| mClock = wifiInjector.getClock(); |
| mPropertyService = wifiInjector.getPropertyService(); |
| mBuildProperties = wifiInjector.getBuildProperties(); |
| mContext = context; |
| mFacade = facade; |
| mWifiNative = wifiNative; |
| mBackupManagerProxy = backupManagerProxy; |
| |
| // TODO refactor WifiNative use of context out into it's own class |
| mWifiNative.initContext(mContext); |
| mInterfaceName = mWifiNative.getInterfaceName(); |
| mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_WIFI, 0, NETWORKTYPE, ""); |
| mBatteryStats = IBatteryStats.Stub.asInterface(mFacade.getService( |
| BatteryStats.SERVICE_NAME)); |
| |
| IBinder b = mFacade.getService(Context.NETWORKMANAGEMENT_SERVICE); |
| mNwService = INetworkManagementService.Stub.asInterface(b); |
| |
| mP2pSupported = mContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_WIFI_DIRECT); |
| mNanSupported = mContext.getPackageManager() |
| .hasSystemFeature(PackageManager.FEATURE_WIFI_NAN); |
| |
| mWifiConfigManager = mFacade.makeWifiConfigManager(context, mWifiNative, facade, |
| mWifiInjector.getClock(), userManager, mWifiInjector.getKeyStore()); |
| |
| mWifiMonitor = WifiMonitor.getInstance(); |
| mWifiDiagnostics = mWifiInjector.makeWifiDiagnostics(mWifiNative); |
| |
| mWifiInfo = new WifiInfo(); |
| mWifiQualifiedNetworkSelector = new WifiQualifiedNetworkSelector(mWifiConfigManager, |
| mContext, mWifiInfo, mWifiInjector.getClock()); |
| mSupplicantStateTracker = mFacade.makeSupplicantStateTracker( |
| context, mWifiConfigManager, getHandler()); |
| |
| mLinkProperties = new LinkProperties(); |
| |
| IBinder s1 = mFacade.getService(Context.WIFI_P2P_SERVICE); |
| mWifiP2pServiceImpl = (WifiP2pServiceImpl) IWifiP2pManager.Stub.asInterface(s1); |
| |
| if (mNanSupported) { |
| mWifiNanManager = mContext.getSystemService(WifiNanManager.class); |
| } |
| |
| mNetworkInfo.setIsAvailable(false); |
| mLastBssid = null; |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mLastSignalLevel = -1; |
| |
| mIpManager = mFacade.makeIpManager(mContext, mInterfaceName, new IpManagerCallback()); |
| mIpManager.setMulticastFilter(true); |
| |
| mNoNetworksPeriodicScan = mContext.getResources().getInteger( |
| R.integer.config_wifi_no_network_periodic_scan_interval); |
| |
| // TODO: remove these settings from the config file since we no longer obey them |
| // mContext.getResources().getInteger(R.integer.config_wifi_framework_scan_interval); |
| // mContext.getResources().getBoolean(R.bool.config_wifi_background_scan_support); |
| |
| mPrimaryDeviceType = mContext.getResources().getString( |
| R.string.config_wifi_p2p_device_type); |
| |
| mCountryCode = countryCode; |
| |
| mWifiScoreReport = new WifiScoreReport(mContext, mWifiConfigManager); |
| |
| mUserWantsSuspendOpt.set(mFacade.getIntegerSetting(mContext, |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED, 1) == 1); |
| |
| mNetworkCapabilitiesFilter.addTransportType(NetworkCapabilities.TRANSPORT_WIFI); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED); |
| mNetworkCapabilitiesFilter.setLinkUpstreamBandwidthKbps(1024 * 1024); |
| mNetworkCapabilitiesFilter.setLinkDownstreamBandwidthKbps(1024 * 1024); |
| // TODO - needs to be a bit more dynamic |
| mDfltNetworkCapabilities = new NetworkCapabilities(mNetworkCapabilitiesFilter); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| |
| if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| sendMessage(CMD_SCREEN_STATE_CHANGED, 1); |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
| sendMessage(CMD_SCREEN_STATE_CHANGED, 0); |
| } |
| } |
| }, filter); |
| |
| mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor( |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED), false, |
| new ContentObserver(getHandler()) { |
| @Override |
| public void onChange(boolean selfChange) { |
| mUserWantsSuspendOpt.set(mFacade.getIntegerSetting(mContext, |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED, 1) == 1); |
| } |
| }); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| sendMessage(CMD_BOOT_COMPLETED); |
| } |
| }, |
| new IntentFilter(Intent.ACTION_BOOT_COMPLETED)); |
| |
| PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, getName()); |
| |
| mSuspendWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "WifiSuspend"); |
| mSuspendWakeLock.setReferenceCounted(false); |
| |
| mTcpBufferSizes = mContext.getResources().getString( |
| com.android.internal.R.string.config_wifi_tcp_buffers); |
| |
| // CHECKSTYLE:OFF IndentationCheck |
| addState(mDefaultState); |
| addState(mInitialState, mDefaultState); |
| addState(mSupplicantStartingState, mDefaultState); |
| addState(mSupplicantStartedState, mDefaultState); |
| addState(mScanModeState, mSupplicantStartedState); |
| addState(mConnectModeState, mSupplicantStartedState); |
| addState(mL2ConnectedState, mConnectModeState); |
| addState(mObtainingIpState, mL2ConnectedState); |
| addState(mConnectedState, mL2ConnectedState); |
| addState(mRoamingState, mL2ConnectedState); |
| addState(mDisconnectingState, mConnectModeState); |
| addState(mDisconnectedState, mConnectModeState); |
| addState(mWpsRunningState, mConnectModeState); |
| addState(mWaitForP2pDisableState, mSupplicantStartedState); |
| addState(mSupplicantStoppingState, mDefaultState); |
| addState(mSoftApState, mDefaultState); |
| // CHECKSTYLE:ON IndentationCheck |
| |
| setInitialState(mInitialState); |
| |
| setLogRecSize(NUM_LOG_RECS_NORMAL); |
| setLogOnlyTransitions(false); |
| |
| //start the state machine |
| start(); |
| |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_TARGET_BSSID, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_ASSOCIATED_BSSID, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.ANQP_DONE_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.ASSOCIATION_REJECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.AUTHENTICATION_FAILURE_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.DRIVER_HUNG_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.GAS_QUERY_DONE_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.GAS_QUERY_START_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.HS20_REMEDIATION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_CONNECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_DISCONNECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.RX_HS20_ANQP_ICON_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SCAN_FAILED_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SCAN_RESULTS_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SSID_REENABLED, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SSID_TEMP_DISABLED, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_CONNECTION_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_DISCONNECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_REQUEST_IDENTITY, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_REQUEST_SIM_AUTH, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.WPS_FAIL_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.WPS_OVERLAP_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.WPS_SUCCESS_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.WPS_TIMEOUT_EVENT, getHandler()); |
| |
| final Intent intent = new Intent(WifiManager.WIFI_SCAN_AVAILABLE); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_SCAN_AVAILABLE, WIFI_STATE_DISABLED); |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| |
| try { |
| mSystemUiUid = mContext.getPackageManager().getPackageUidAsUser("com.android.systemui", |
| PackageManager.MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM); |
| } catch (PackageManager.NameNotFoundException e) { |
| loge("Unable to resolve SystemUI's UID."); |
| } |
| } |
| |
| class IpManagerCallback extends IpManager.Callback { |
| @Override |
| public void onPreDhcpAction() { |
| sendMessage(DhcpClient.CMD_PRE_DHCP_ACTION); |
| } |
| |
| @Override |
| public void onPostDhcpAction() { |
| sendMessage(DhcpClient.CMD_POST_DHCP_ACTION); |
| } |
| |
| @Override |
| public void onNewDhcpResults(DhcpResults dhcpResults) { |
| if (dhcpResults != null) { |
| sendMessage(CMD_IPV4_PROVISIONING_SUCCESS, dhcpResults); |
| } else { |
| sendMessage(CMD_IPV4_PROVISIONING_FAILURE); |
| mWifiInjector.getWifiLastResortWatchdog().noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_DHCP); |
| } |
| } |
| |
| @Override |
| public void onProvisioningSuccess(LinkProperties newLp) { |
| sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp); |
| sendMessage(CMD_IP_CONFIGURATION_SUCCESSFUL); |
| } |
| |
| @Override |
| public void onProvisioningFailure(LinkProperties newLp) { |
| sendMessage(CMD_IP_CONFIGURATION_LOST); |
| } |
| |
| @Override |
| public void onLinkPropertiesChange(LinkProperties newLp) { |
| sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp); |
| } |
| |
| @Override |
| public void onReachabilityLost(String logMsg) { |
| sendMessage(CMD_IP_REACHABILITY_LOST, logMsg); |
| } |
| |
| @Override |
| public void installPacketFilter(byte[] filter) { |
| sendMessage(CMD_INSTALL_PACKET_FILTER, filter); |
| } |
| |
| @Override |
| public void setFallbackMulticastFilter(boolean enabled) { |
| sendMessage(CMD_SET_FALLBACK_PACKET_FILTERING, enabled); |
| } |
| |
| @Override |
| public void setNeighborDiscoveryOffload(boolean enabled) { |
| sendMessage(CMD_CONFIG_ND_OFFLOAD, (enabled ? 1 : 0)); |
| } |
| } |
| |
| private void stopIpManager() { |
| /* Restore power save and suspend optimizations */ |
| handlePostDhcpSetup(); |
| mIpManager.stop(); |
| } |
| |
| PendingIntent getPrivateBroadcast(String action, int requestCode) { |
| Intent intent = new Intent(action, null); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.setPackage("android"); |
| return mFacade.getBroadcast(mContext, requestCode, intent, 0); |
| } |
| |
| /** |
| * Set wpa_supplicant log level using |mVerboseLoggingLevel| flag. |
| */ |
| void setSupplicantLogLevel() { |
| if (mVerboseLoggingEnabled) { |
| mWifiNative.setSupplicantLogLevel("DEBUG"); |
| } else { |
| mWifiNative.setSupplicantLogLevel("INFO"); |
| } |
| } |
| |
| void enableVerboseLogging(int verbose) { |
| if (verbose > 0) { |
| mVerboseLoggingEnabled = true; |
| setLogRecSize(ActivityManager.isLowRamDeviceStatic() |
| ? NUM_LOG_RECS_VERBOSE_LOW_MEMORY : NUM_LOG_RECS_VERBOSE); |
| } else { |
| mVerboseLoggingEnabled = false; |
| setLogRecSize(NUM_LOG_RECS_NORMAL); |
| } |
| configureVerboseHalLogging(mVerboseLoggingEnabled); |
| setSupplicantLogLevel(); |
| mCountryCode.enableVerboseLogging(verbose); |
| mWifiScoreReport.enableVerboseLogging(mVerboseLoggingEnabled); |
| mWifiDiagnostics.startLogging(mVerboseLoggingEnabled); |
| mWifiMonitor.enableVerboseLogging(verbose); |
| mWifiNative.enableVerboseLogging(verbose); |
| mWifiConfigManager.enableVerboseLogging(verbose); |
| mSupplicantStateTracker.enableVerboseLogging(verbose); |
| mWifiQualifiedNetworkSelector.enableVerboseLogging(verbose); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.enableVerboseLogging(verbose); |
| } |
| } |
| |
| private static final String SYSTEM_PROPERTY_LOG_CONTROL_WIFIHAL = "log.tag.WifiHAL"; |
| private static final String LOGD_LEVEL_DEBUG = "D"; |
| private static final String LOGD_LEVEL_VERBOSE = "V"; |
| private void configureVerboseHalLogging(boolean enableVerbose) { |
| if (mBuildProperties.isUserBuild()) { // Verbose HAL logging not supported on user builds. |
| return; |
| } |
| mPropertyService.set(SYSTEM_PROPERTY_LOG_CONTROL_WIFIHAL, |
| enableVerbose ? LOGD_LEVEL_VERBOSE : LOGD_LEVEL_DEBUG); |
| } |
| |
| private int mAggressiveHandover = 0; |
| |
| int getAggressiveHandover() { |
| return mAggressiveHandover; |
| } |
| |
| void enableAggressiveHandover(int enabled) { |
| mAggressiveHandover = enabled; |
| } |
| |
| public void clearANQPCache() { |
| mWifiConfigManager.trimANQPCache(true); |
| } |
| |
| public void setAllowScansWithTraffic(int enabled) { |
| mWifiConfigManager.mAlwaysEnableScansWhileAssociated.set(enabled); |
| } |
| |
| public int getAllowScansWithTraffic() { |
| return mWifiConfigManager.mAlwaysEnableScansWhileAssociated.get(); |
| } |
| |
| /* |
| * Dynamically turn on/off if switching networks while connected is allowd. |
| */ |
| public boolean setEnableAutoJoinWhenAssociated(boolean enabled) { |
| sendMessage(CMD_ENABLE_AUTOJOIN_WHEN_ASSOCIATED, enabled ? 1 : 0); |
| return true; |
| } |
| |
| public boolean getEnableAutoJoinWhenAssociated() { |
| return mWifiConfigManager.getEnableAutoJoinWhenAssociated(); |
| } |
| |
| private boolean setRandomMacOui() { |
| String oui = mContext.getResources().getString(R.string.config_wifi_random_mac_oui); |
| if (TextUtils.isEmpty(oui)) { |
| oui = GOOGLE_OUI; |
| } |
| String[] ouiParts = oui.split("-"); |
| byte[] ouiBytes = new byte[3]; |
| ouiBytes[0] = (byte) (Integer.parseInt(ouiParts[0], 16) & 0xFF); |
| ouiBytes[1] = (byte) (Integer.parseInt(ouiParts[1], 16) & 0xFF); |
| ouiBytes[2] = (byte) (Integer.parseInt(ouiParts[2], 16) & 0xFF); |
| |
| logd("Setting OUI to " + oui); |
| return mWifiNative.setScanningMacOui(ouiBytes); |
| } |
| |
| /** |
| * ****************************************************** |
| * Methods exposed for public use |
| * ****************************************************** |
| */ |
| |
| public Messenger getMessenger() { |
| return new Messenger(getHandler()); |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public boolean syncPingSupplicant(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_PING_SUPPLICANT); |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Initiate a wifi scan. If workSource is not null, blame is given to it, otherwise blame is |
| * given to callingUid. |
| * |
| * @param callingUid The uid initiating the wifi scan. Blame will be given here unless |
| * workSource is specified. |
| * @param workSource If not null, blame is given to workSource. |
| * @param settings Scan settings, see {@link ScanSettings}. |
| */ |
| public void startScan(int callingUid, int scanCounter, |
| ScanSettings settings, WorkSource workSource) { |
| Bundle bundle = new Bundle(); |
| bundle.putParcelable(CUSTOMIZED_SCAN_SETTING, settings); |
| bundle.putParcelable(CUSTOMIZED_SCAN_WORKSOURCE, workSource); |
| bundle.putLong(SCAN_REQUEST_TIME, mClock.getWallClockMillis()); |
| sendMessage(CMD_START_SCAN, callingUid, scanCounter, bundle); |
| } |
| |
| private long mDisconnectedTimeStamp = 0; |
| |
| public long getDisconnectedTimeMilli() { |
| if (getCurrentState() == mDisconnectedState |
| && mDisconnectedTimeStamp != 0) { |
| long now_ms = mClock.getWallClockMillis(); |
| return now_ms - mDisconnectedTimeStamp; |
| } |
| return 0; |
| } |
| |
| // Last connect attempt is used to prevent scan requests: |
| // - for a period of 10 seconds after attempting to connect |
| private long lastConnectAttemptTimestamp = 0; |
| private Set<Integer> lastScanFreqs = null; |
| |
| // For debugging, keep track of last message status handling |
| // TODO, find an equivalent mechanism as part of parent class |
| private static int MESSAGE_HANDLING_STATUS_PROCESSED = 2; |
| private static int MESSAGE_HANDLING_STATUS_OK = 1; |
| private static int MESSAGE_HANDLING_STATUS_UNKNOWN = 0; |
| private static int MESSAGE_HANDLING_STATUS_REFUSED = -1; |
| private static int MESSAGE_HANDLING_STATUS_FAIL = -2; |
| private static int MESSAGE_HANDLING_STATUS_OBSOLETE = -3; |
| private static int MESSAGE_HANDLING_STATUS_DEFERRED = -4; |
| private static int MESSAGE_HANDLING_STATUS_DISCARD = -5; |
| private static int MESSAGE_HANDLING_STATUS_LOOPED = -6; |
| private static int MESSAGE_HANDLING_STATUS_HANDLING_ERROR = -7; |
| |
| private int messageHandlingStatus = 0; |
| |
| //TODO: this is used only to track connection attempts, however the link state and packet per |
| //TODO: second logic should be folded into that |
| private boolean checkOrDeferScanAllowed(Message msg) { |
| long now = mClock.getWallClockMillis(); |
| if (lastConnectAttemptTimestamp != 0 && (now - lastConnectAttemptTimestamp) < 10000) { |
| Message dmsg = Message.obtain(msg); |
| sendMessageDelayed(dmsg, 11000 - (now - lastConnectAttemptTimestamp)); |
| return false; |
| } |
| return true; |
| } |
| |
| private int mOnTime = 0; |
| private int mTxTime = 0; |
| private int mRxTime = 0; |
| |
| private int mOnTimeScreenStateChange = 0; |
| private long lastOntimeReportTimeStamp = 0; |
| private long lastScreenStateChangeTimeStamp = 0; |
| private int mOnTimeLastReport = 0; |
| private int mTxTimeLastReport = 0; |
| private int mRxTimeLastReport = 0; |
| |
| private long lastLinkLayerStatsUpdate = 0; |
| |
| String reportOnTime() { |
| long now = mClock.getWallClockMillis(); |
| StringBuilder sb = new StringBuilder(); |
| // Report stats since last report |
| int on = mOnTime - mOnTimeLastReport; |
| mOnTimeLastReport = mOnTime; |
| int tx = mTxTime - mTxTimeLastReport; |
| mTxTimeLastReport = mTxTime; |
| int rx = mRxTime - mRxTimeLastReport; |
| mRxTimeLastReport = mRxTime; |
| int period = (int) (now - lastOntimeReportTimeStamp); |
| lastOntimeReportTimeStamp = now; |
| sb.append(String.format("[on:%d tx:%d rx:%d period:%d]", on, tx, rx, period)); |
| // Report stats since Screen State Changed |
| on = mOnTime - mOnTimeScreenStateChange; |
| period = (int) (now - lastScreenStateChangeTimeStamp); |
| sb.append(String.format(" from screen [on:%d period:%d]", on, period)); |
| return sb.toString(); |
| } |
| |
| WifiLinkLayerStats getWifiLinkLayerStats() { |
| WifiLinkLayerStats stats = null; |
| if (mWifiLinkLayerStatsSupported > 0) { |
| String name = "wlan0"; |
| stats = mWifiNative.getWifiLinkLayerStats(name); |
| if (name != null && stats == null && mWifiLinkLayerStatsSupported > 0) { |
| mWifiLinkLayerStatsSupported -= 1; |
| } else if (stats != null) { |
| lastLinkLayerStatsUpdate = mClock.getWallClockMillis(); |
| mOnTime = stats.on_time; |
| mTxTime = stats.tx_time; |
| mRxTime = stats.rx_time; |
| mRunningBeaconCount = stats.beacon_rx; |
| } |
| } |
| if (stats == null || mWifiLinkLayerStatsSupported <= 0) { |
| long mTxPkts = mFacade.getTxPackets(mInterfaceName); |
| long mRxPkts = mFacade.getRxPackets(mInterfaceName); |
| mWifiInfo.updatePacketRates(mTxPkts, mRxPkts); |
| } else { |
| mWifiInfo.updatePacketRates(stats); |
| } |
| return stats; |
| } |
| |
| int startWifiIPPacketOffload(int slot, KeepalivePacketData packetData, int intervalSeconds) { |
| int ret = mWifiNative.startSendingOffloadedPacket(slot, packetData, intervalSeconds * 1000); |
| if (ret != 0) { |
| loge("startWifiIPPacketOffload(" + slot + ", " + intervalSeconds + |
| "): hardware error " + ret); |
| return ConnectivityManager.PacketKeepalive.ERROR_HARDWARE_ERROR; |
| } else { |
| return ConnectivityManager.PacketKeepalive.SUCCESS; |
| } |
| } |
| |
| int stopWifiIPPacketOffload(int slot) { |
| int ret = mWifiNative.stopSendingOffloadedPacket(slot); |
| if (ret != 0) { |
| loge("stopWifiIPPacketOffload(" + slot + "): hardware error " + ret); |
| return ConnectivityManager.PacketKeepalive.ERROR_HARDWARE_ERROR; |
| } else { |
| return ConnectivityManager.PacketKeepalive.SUCCESS; |
| } |
| } |
| |
| int startRssiMonitoringOffload(byte maxRssi, byte minRssi) { |
| return mWifiNative.startRssiMonitoring(maxRssi, minRssi, WifiStateMachine.this); |
| } |
| |
| int stopRssiMonitoringOffload() { |
| return mWifiNative.stopRssiMonitoring(); |
| } |
| |
| private void handleScanRequest(Message message) { |
| ScanSettings settings = null; |
| WorkSource workSource = null; |
| |
| // unbundle parameters |
| Bundle bundle = (Bundle) message.obj; |
| |
| if (bundle != null) { |
| settings = bundle.getParcelable(CUSTOMIZED_SCAN_SETTING); |
| workSource = bundle.getParcelable(CUSTOMIZED_SCAN_WORKSOURCE); |
| } |
| |
| Set<Integer> freqs = null; |
| if (settings != null && settings.channelSet != null) { |
| freqs = new HashSet<>(); |
| for (WifiChannel channel : settings.channelSet) { |
| freqs.add(channel.freqMHz); |
| } |
| } |
| |
| // Retrieve the list of hidden networkId's to scan for. |
| Set<Integer> hiddenNetworkIds = mWifiConfigManager.getHiddenConfiguredNetworkIds(); |
| |
| // call wifi native to start the scan |
| if (startScanNative(freqs, hiddenNetworkIds, workSource)) { |
| // a full scan covers everything, clearing scan request buffer |
| if (freqs == null) |
| mBufferedScanMsg.clear(); |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_OK; |
| if (workSource != null) { |
| // External worksource was passed along the scan request, |
| // hence always send a broadcast |
| mSendScanResultsBroadcast = true; |
| } |
| return; |
| } |
| |
| // if reach here, scan request is rejected |
| |
| if (!mIsScanOngoing) { |
| // if rejection is NOT due to ongoing scan (e.g. bad scan parameters), |
| |
| // discard this request and pop up the next one |
| if (mBufferedScanMsg.size() > 0) { |
| sendMessage(mBufferedScanMsg.remove()); |
| } |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| } else if (!mIsFullScanOngoing) { |
| // if rejection is due to an ongoing scan, and the ongoing one is NOT a full scan, |
| // buffer the scan request to make sure specified channels will be scanned eventually |
| if (freqs == null) |
| mBufferedScanMsg.clear(); |
| if (mBufferedScanMsg.size() < SCAN_REQUEST_BUFFER_MAX_SIZE) { |
| Message msg = obtainMessage(CMD_START_SCAN, |
| message.arg1, message.arg2, bundle); |
| mBufferedScanMsg.add(msg); |
| } else { |
| // if too many requests in buffer, combine them into a single full scan |
| bundle = new Bundle(); |
| bundle.putParcelable(CUSTOMIZED_SCAN_SETTING, null); |
| bundle.putParcelable(CUSTOMIZED_SCAN_WORKSOURCE, workSource); |
| Message msg = obtainMessage(CMD_START_SCAN, message.arg1, message.arg2, bundle); |
| mBufferedScanMsg.clear(); |
| mBufferedScanMsg.add(msg); |
| } |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_LOOPED; |
| } else { |
| // mIsScanOngoing and mIsFullScanOngoing |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } |
| } |
| |
| |
| // TODO this is a temporary measure to bridge between WifiScanner and WifiStateMachine until |
| // scan functionality is refactored out of WifiStateMachine. |
| /** |
| * return true iff scan request is accepted |
| */ |
| private boolean startScanNative(final Set<Integer> freqs, Set<Integer> hiddenNetworkIds, |
| WorkSource workSource) { |
| WifiScanner.ScanSettings settings = new WifiScanner.ScanSettings(); |
| if (freqs == null) { |
| settings.band = WifiScanner.WIFI_BAND_BOTH_WITH_DFS; |
| } else { |
| settings.band = WifiScanner.WIFI_BAND_UNSPECIFIED; |
| int index = 0; |
| settings.channels = new WifiScanner.ChannelSpec[freqs.size()]; |
| for (Integer freq : freqs) { |
| settings.channels[index++] = new WifiScanner.ChannelSpec(freq); |
| } |
| } |
| settings.reportEvents = WifiScanner.REPORT_EVENT_AFTER_EACH_SCAN |
| | WifiScanner.REPORT_EVENT_FULL_SCAN_RESULT; |
| if (hiddenNetworkIds != null && hiddenNetworkIds.size() > 0) { |
| int i = 0; |
| settings.hiddenNetworkIds = new int[hiddenNetworkIds.size()]; |
| for (Integer netId : hiddenNetworkIds) { |
| settings.hiddenNetworkIds[i++] = netId; |
| } |
| } |
| WifiScanner.ScanListener nativeScanListener = new WifiScanner.ScanListener() { |
| // ignore all events since WifiStateMachine is registered for the supplicant events |
| @Override |
| public void onSuccess() { |
| } |
| @Override |
| public void onFailure(int reason, String description) { |
| mIsScanOngoing = false; |
| mIsFullScanOngoing = false; |
| } |
| @Override |
| public void onResults(WifiScanner.ScanData[] results) { |
| } |
| @Override |
| public void onFullResult(ScanResult fullScanResult) { |
| } |
| @Override |
| public void onPeriodChanged(int periodInMs) { |
| } |
| }; |
| mWifiScanner.startScan(settings, nativeScanListener, workSource); |
| mIsScanOngoing = true; |
| mIsFullScanOngoing = (freqs == null); |
| lastScanFreqs = freqs; |
| return true; |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public void setSupplicantRunning(boolean enable) { |
| if (enable) { |
| sendMessage(CMD_START_SUPPLICANT); |
| } else { |
| sendMessage(CMD_STOP_SUPPLICANT); |
| } |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public void setHostApRunning(WifiConfiguration wifiConfig, boolean enable) { |
| if (enable) { |
| sendMessage(CMD_START_AP, wifiConfig); |
| } else { |
| sendMessage(CMD_STOP_AP); |
| } |
| } |
| |
| public void setWifiApConfiguration(WifiConfiguration config) { |
| mWifiApConfigStore.setApConfiguration(config); |
| } |
| |
| public WifiConfiguration syncGetWifiApConfiguration() { |
| return mWifiApConfigStore.getApConfiguration(); |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public int syncGetWifiState() { |
| return mWifiState.get(); |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public String syncGetWifiStateByName() { |
| switch (mWifiState.get()) { |
| case WIFI_STATE_DISABLING: |
| return "disabling"; |
| case WIFI_STATE_DISABLED: |
| return "disabled"; |
| case WIFI_STATE_ENABLING: |
| return "enabling"; |
| case WIFI_STATE_ENABLED: |
| return "enabled"; |
| case WIFI_STATE_UNKNOWN: |
| return "unknown state"; |
| default: |
| return "[invalid state]"; |
| } |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public int syncGetWifiApState() { |
| return mWifiApState.get(); |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public String syncGetWifiApStateByName() { |
| switch (mWifiApState.get()) { |
| case WIFI_AP_STATE_DISABLING: |
| return "disabling"; |
| case WIFI_AP_STATE_DISABLED: |
| return "disabled"; |
| case WIFI_AP_STATE_ENABLING: |
| return "enabling"; |
| case WIFI_AP_STATE_ENABLED: |
| return "enabled"; |
| case WIFI_AP_STATE_FAILED: |
| return "failed"; |
| default: |
| return "[invalid state]"; |
| } |
| } |
| |
| public boolean isConnected() { |
| return getCurrentState() == mConnectedState; |
| } |
| |
| public boolean isDisconnected() { |
| return getCurrentState() == mDisconnectedState; |
| } |
| |
| public boolean isSupplicantTransientState() { |
| SupplicantState supplicantState = mWifiInfo.getSupplicantState(); |
| if (supplicantState == SupplicantState.ASSOCIATING |
| || supplicantState == SupplicantState.AUTHENTICATING |
| || supplicantState == SupplicantState.FOUR_WAY_HANDSHAKE |
| || supplicantState == SupplicantState.GROUP_HANDSHAKE) { |
| |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Supplicant is under transient state: " + supplicantState); |
| } |
| return true; |
| } else { |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Supplicant is under steady state: " + supplicantState); |
| } |
| } |
| |
| return false; |
| } |
| |
| public boolean isLinkDebouncing() { |
| return mIsLinkDebouncing; |
| } |
| |
| /** |
| * Get status information for the current connection, if any. |
| * |
| * @return a {@link WifiInfo} object containing information about the current connection |
| */ |
| public WifiInfo syncRequestConnectionInfo() { |
| return getWiFiInfoForUid(Binder.getCallingUid()); |
| } |
| |
| public WifiInfo getWifiInfo() { |
| return mWifiInfo; |
| } |
| |
| public DhcpResults syncGetDhcpResults() { |
| synchronized (mDhcpResultsLock) { |
| return new DhcpResults(mDhcpResults); |
| } |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public void setOperationalMode(int mode) { |
| if (mVerboseLoggingEnabled) log("setting operational mode to " + String.valueOf(mode)); |
| sendMessage(CMD_SET_OPERATIONAL_MODE, mode, 0); |
| } |
| |
| /** |
| * Allow tests to confirm the operational mode for WSM. |
| */ |
| @VisibleForTesting |
| protected int getOperationalModeForTest() { |
| return mOperationalMode; |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public List<ScanResult> syncGetScanResultsList() { |
| synchronized (mScanResultsLock) { |
| List<ScanResult> scanList = new ArrayList<>(); |
| for (ScanDetail result : mScanResults) { |
| scanList.add(new ScanResult(result.getScanResult())); |
| } |
| return scanList; |
| } |
| } |
| |
| public int syncAddPasspointManagementObject(AsyncChannel channel, String managementObject) { |
| Message resultMsg = |
| channel.sendMessageSynchronously(CMD_ADD_PASSPOINT_MO, managementObject); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| public int syncModifyPasspointManagementObject(AsyncChannel channel, String fqdn, |
| List<PasspointManagementObjectDefinition> |
| managementObjectDefinitions) { |
| Bundle bundle = new Bundle(); |
| bundle.putString("FQDN", fqdn); |
| bundle.putParcelableList("MOS", managementObjectDefinitions); |
| Message resultMsg = channel.sendMessageSynchronously(CMD_MODIFY_PASSPOINT_MO, bundle); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| public boolean syncQueryPasspointIcon(AsyncChannel channel, long bssid, String fileName) { |
| Bundle bundle = new Bundle(); |
| bundle.putLong("BSSID", bssid); |
| bundle.putString("FILENAME", fileName); |
| Message resultMsg = channel.sendMessageSynchronously(CMD_QUERY_OSU_ICON, bundle); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result == 1; |
| } |
| |
| public int matchProviderWithCurrentNetwork(AsyncChannel channel, String fqdn) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_MATCH_PROVIDER_NETWORK, fqdn); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Deauthenticate and set the re-authentication hold off time for the current network |
| * @param holdoff hold off time in milliseconds |
| * @param ess set if the hold off pertains to an ESS rather than a BSS |
| */ |
| public void deauthenticateNetwork(AsyncChannel channel, long holdoff, boolean ess) { |
| // TODO: This needs an implementation |
| } |
| |
| public void disableEphemeralNetwork(String SSID) { |
| if (SSID != null) { |
| sendMessage(CMD_DISABLE_EPHEMERAL_NETWORK, SSID); |
| } |
| } |
| |
| /** |
| * Disconnect from Access Point |
| */ |
| public void disconnectCommand() { |
| sendMessage(CMD_DISCONNECT); |
| } |
| |
| public void disconnectCommand(int uid, int reason) { |
| sendMessage(CMD_DISCONNECT, uid, reason); |
| } |
| |
| /** |
| * Initiate a reconnection to AP |
| */ |
| public void reconnectCommand() { |
| sendMessage(CMD_RECONNECT); |
| } |
| |
| /** |
| * Initiate a re-association to AP |
| */ |
| public void reassociateCommand() { |
| sendMessage(CMD_REASSOCIATE); |
| } |
| |
| /** |
| * Reload networks and then reconnect; helps load correct data for TLS networks |
| */ |
| |
| public void reloadTlsNetworksAndReconnect() { |
| sendMessage(CMD_RELOAD_TLS_AND_RECONNECT); |
| } |
| |
| /** |
| * Add a network synchronously |
| * |
| * @return network id of the new network |
| */ |
| public int syncAddOrUpdateNetwork(AsyncChannel channel, WifiConfiguration config) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_ADD_OR_UPDATE_NETWORK, config); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Get configured networks synchronously |
| * |
| * @param channel |
| * @return |
| */ |
| |
| public List<WifiConfiguration> syncGetConfiguredNetworks(int uuid, AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_CONFIGURED_NETWORKS, uuid); |
| List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| public List<WifiConfiguration> syncGetPrivilegedConfiguredNetwork(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously( |
| CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS); |
| List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| public WifiConfiguration syncGetMatchingWifiConfig(ScanResult scanResult, AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_MATCHING_CONFIG, scanResult); |
| return (WifiConfiguration) resultMsg.obj; |
| } |
| |
| /** |
| * Get connection statistics synchronously |
| * |
| * @param channel |
| * @return |
| */ |
| |
| public WifiConnectionStatistics syncGetConnectionStatistics(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_CONNECTION_STATISTICS); |
| WifiConnectionStatistics result = (WifiConnectionStatistics) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Get adaptors synchronously |
| */ |
| |
| public int syncGetSupportedFeatures(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_SUPPORTED_FEATURES); |
| int supportedFeatureSet = resultMsg.arg1; |
| resultMsg.recycle(); |
| return supportedFeatureSet; |
| } |
| |
| /** |
| * Get link layers stats for adapter synchronously |
| */ |
| public WifiLinkLayerStats syncGetLinkLayerStats(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_LINK_LAYER_STATS); |
| WifiLinkLayerStats result = (WifiLinkLayerStats) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Delete a network |
| * |
| * @param networkId id of the network to be removed |
| */ |
| public boolean syncRemoveNetwork(AsyncChannel channel, int networkId) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_REMOVE_NETWORK, networkId); |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Enable a network |
| * |
| * @param netId network id of the network |
| * @param disableOthers true, if all other networks have to be disabled |
| * @return {@code true} if the operation succeeds, {@code false} otherwise |
| */ |
| public boolean syncEnableNetwork(AsyncChannel channel, int netId, boolean disableOthers) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_ENABLE_NETWORK, netId, |
| disableOthers ? 1 : 0); |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Disable a network |
| * |
| * @param netId network id of the network |
| * @return {@code true} if the operation succeeds, {@code false} otherwise |
| */ |
| public boolean syncDisableNetwork(AsyncChannel channel, int netId) { |
| Message resultMsg = channel.sendMessageSynchronously(WifiManager.DISABLE_NETWORK, netId); |
| boolean result = (resultMsg.arg1 != WifiManager.DISABLE_NETWORK_FAILED); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Retrieves a WPS-NFC configuration token for the specified network |
| * |
| * @return a hex string representation of the WPS-NFC configuration token |
| */ |
| public String syncGetWpsNfcConfigurationToken(int netId) { |
| return mWifiNative.getNfcWpsConfigurationToken(netId); |
| } |
| |
| /** |
| * Blacklist a BSSID. This will avoid the AP if there are |
| * alternate APs to connect |
| * |
| * @param bssid BSSID of the network |
| */ |
| public void addToBlacklist(String bssid) { |
| sendMessage(CMD_BLACKLIST_NETWORK, bssid); |
| } |
| |
| /** |
| * Clear the blacklist list |
| */ |
| public void clearBlacklist() { |
| sendMessage(CMD_CLEAR_BLACKLIST); |
| } |
| |
| public void enableRssiPolling(boolean enabled) { |
| sendMessage(CMD_ENABLE_RSSI_POLL, enabled ? 1 : 0, 0); |
| } |
| |
| public void enableAllNetworks() { |
| sendMessage(CMD_ENABLE_ALL_NETWORKS); |
| } |
| |
| /** |
| * Start filtering Multicast v4 packets |
| */ |
| public void startFilteringMulticastPackets() { |
| mIpManager.setMulticastFilter(true); |
| } |
| |
| /** |
| * Stop filtering Multicast v4 packets |
| */ |
| public void stopFilteringMulticastPackets() { |
| mIpManager.setMulticastFilter(false); |
| } |
| |
| /** |
| * Set high performance mode of operation. |
| * Enabling would set active power mode and disable suspend optimizations; |
| * disabling would set auto power mode and enable suspend optimizations |
| * |
| * @param enable true if enable, false otherwise |
| */ |
| public void setHighPerfModeEnabled(boolean enable) { |
| sendMessage(CMD_SET_HIGH_PERF_MODE, enable ? 1 : 0, 0); |
| } |
| |
| |
| /** |
| * reset cached SIM credential data |
| */ |
| public synchronized void resetSimAuthNetworks(boolean simPresent) { |
| sendMessage(CMD_RESET_SIM_NETWORKS, simPresent ? 1 : 0); |
| } |
| |
| /** |
| * Get Network object of current wifi network |
| * @return Network object of current wifi network |
| */ |
| public Network getCurrentNetwork() { |
| if (mNetworkAgent != null) { |
| return new Network(mNetworkAgent.netId); |
| } else { |
| return null; |
| } |
| } |
| |
| |
| /** |
| * Set the operational frequency band |
| * |
| * @param band |
| * @param persist {@code true} if the setting should be remembered. |
| */ |
| public void setFrequencyBand(int band, boolean persist) { |
| if (persist) { |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.WIFI_FREQUENCY_BAND, |
| band); |
| } |
| sendMessage(CMD_SET_FREQUENCY_BAND, band, 0); |
| } |
| |
| /** |
| * Enable TDLS for a specific MAC address |
| */ |
| public void enableTdls(String remoteMacAddress, boolean enable) { |
| int enabler = enable ? 1 : 0; |
| sendMessage(CMD_ENABLE_TDLS, enabler, 0, remoteMacAddress); |
| } |
| |
| /** |
| * Returns the operational frequency band |
| */ |
| public int getFrequencyBand() { |
| return mFrequencyBand.get(); |
| } |
| |
| /** |
| * Returns the wifi configuration file |
| */ |
| public String getConfigFile() { |
| return mWifiConfigManager.getConfigFile(); |
| } |
| |
| /** |
| * Send a message indicating bluetooth adapter connection state changed |
| */ |
| public void sendBluetoothAdapterStateChange(int state) { |
| sendMessage(CMD_BLUETOOTH_ADAPTER_STATE_CHANGE, state, 0); |
| } |
| |
| /** |
| * Send a message indicating a package has been uninstalled. |
| */ |
| public void removeAppConfigs(String packageName, int uid) { |
| // Build partial AppInfo manually - package may not exist in database any more |
| ApplicationInfo ai = new ApplicationInfo(); |
| ai.packageName = packageName; |
| ai.uid = uid; |
| sendMessage(CMD_REMOVE_APP_CONFIGURATIONS, ai); |
| } |
| |
| /** |
| * Send a message indicating a user has been removed. |
| */ |
| public void removeUserConfigs(int userId) { |
| sendMessage(CMD_REMOVE_USER_CONFIGURATIONS, userId); |
| } |
| |
| /** |
| * Save configuration on supplicant |
| * |
| * @return {@code true} if the operation succeeds, {@code false} otherwise |
| * <p/> |
| * TODO: deprecate this |
| */ |
| public boolean syncSaveConfig(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_SAVE_CONFIG); |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| public void updateBatteryWorkSource(WorkSource newSource) { |
| synchronized (mRunningWifiUids) { |
| try { |
| if (newSource != null) { |
| mRunningWifiUids.set(newSource); |
| } |
| if (mIsRunning) { |
| if (mReportedRunning) { |
| // If the work source has changed since last time, need |
| // to remove old work from battery stats. |
| if (mLastRunningWifiUids.diff(mRunningWifiUids)) { |
| mBatteryStats.noteWifiRunningChanged(mLastRunningWifiUids, |
| mRunningWifiUids); |
| mLastRunningWifiUids.set(mRunningWifiUids); |
| } |
| } else { |
| // Now being started, report it. |
| mBatteryStats.noteWifiRunning(mRunningWifiUids); |
| mLastRunningWifiUids.set(mRunningWifiUids); |
| mReportedRunning = true; |
| } |
| } else { |
| if (mReportedRunning) { |
| // Last reported we were running, time to stop. |
| mBatteryStats.noteWifiStopped(mLastRunningWifiUids); |
| mLastRunningWifiUids.clear(); |
| mReportedRunning = false; |
| } |
| } |
| mWakeLock.setWorkSource(newSource); |
| } catch (RemoteException ignore) { |
| } |
| } |
| } |
| |
| public void dumpIpManager(FileDescriptor fd, PrintWriter pw, String[] args) { |
| mIpManager.dump(fd, pw, args); |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| super.dump(fd, pw, args); |
| mSupplicantStateTracker.dump(fd, pw, args); |
| pw.println("mLinkProperties " + mLinkProperties); |
| pw.println("mWifiInfo " + mWifiInfo); |
| pw.println("mDhcpResults " + mDhcpResults); |
| pw.println("mNetworkInfo " + mNetworkInfo); |
| pw.println("mLastSignalLevel " + mLastSignalLevel); |
| pw.println("mLastBssid " + mLastBssid); |
| pw.println("mLastNetworkId " + mLastNetworkId); |
| pw.println("mOperationalMode " + mOperationalMode); |
| pw.println("mUserWantsSuspendOpt " + mUserWantsSuspendOpt); |
| pw.println("mSuspendOptNeedsDisabled " + mSuspendOptNeedsDisabled); |
| pw.println("Supplicant status " + mWifiNative.status(true)); |
| if (mCountryCode.getCountryCodeSentToDriver() != null) { |
| pw.println("CountryCode sent to driver " + mCountryCode.getCountryCodeSentToDriver()); |
| } else { |
| if (mCountryCode.getCountryCode() != null) { |
| pw.println("CountryCode: " + |
| mCountryCode.getCountryCode() + " was not sent to driver"); |
| } else { |
| pw.println("CountryCode was not initialized"); |
| } |
| } |
| if (mNetworkFactory != null) { |
| mNetworkFactory.dump(fd, pw, args); |
| } else { |
| pw.println("mNetworkFactory is not initialized"); |
| } |
| |
| if (mUntrustedNetworkFactory != null) { |
| mUntrustedNetworkFactory.dump(fd, pw, args); |
| } else { |
| pw.println("mUntrustedNetworkFactory is not initialized"); |
| } |
| pw.println("Wlan Wake Reasons:" + mWifiNative.getWlanWakeReasonCount()); |
| pw.println(); |
| updateWifiMetrics(); |
| mWifiMetrics.dump(fd, pw, args); |
| pw.println(); |
| |
| mWifiConfigManager.dump(fd, pw, args); |
| pw.println(); |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_USER_ACTION); |
| mWifiDiagnostics.dump(fd, pw, args); |
| mWifiQualifiedNetworkSelector.dump(fd, pw, args); |
| dumpIpManager(fd, pw, args); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.dump(fd, pw, args); |
| } |
| } |
| |
| public void handleUserSwitch(int userId) { |
| sendMessage(CMD_USER_SWITCH, userId); |
| } |
| |
| /** |
| * ****************************************************** |
| * Internal private functions |
| * ****************************************************** |
| */ |
| |
| private void logStateAndMessage(Message message, State state) { |
| messageHandlingStatus = 0; |
| if (mVerboseLoggingEnabled) { |
| logd(" " + state.getClass().getSimpleName() + " " + getLogRecString(message)); |
| } |
| } |
| |
| /** |
| * helper, prints the milli time since boot wi and w/o suspended time |
| */ |
| String printTime() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(" rt=").append(mClock.getUptimeSinceBootMillis()); |
| sb.append("/").append(mClock.getElapsedSinceBootMillis()); |
| return sb.toString(); |
| } |
| |
| /** |
| * Return the additional string to be logged by LogRec, default |
| * |
| * @param msg that was processed |
| * @return information to be logged as a String |
| */ |
| @Override |
| protected String getLogRecString(Message msg) { |
| WifiConfiguration config; |
| Long now; |
| String report; |
| String key; |
| StringBuilder sb = new StringBuilder(); |
| if (mScreenOn) { |
| sb.append("!"); |
| } |
| if (messageHandlingStatus != MESSAGE_HANDLING_STATUS_UNKNOWN) { |
| sb.append("(").append(messageHandlingStatus).append(")"); |
| } |
| sb.append(smToString(msg)); |
| if (msg.sendingUid > 0 && msg.sendingUid != Process.WIFI_UID) { |
| sb.append(" uid=" + msg.sendingUid); |
| } |
| sb.append(" ").append(printTime()); |
| switch (msg.what) { |
| case CMD_START_SCAN: |
| now = mClock.getWallClockMillis(); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" ic="); |
| sb.append(Integer.toString(sScanAlarmIntentCount)); |
| if (msg.obj != null) { |
| Bundle bundle = (Bundle) msg.obj; |
| Long request = bundle.getLong(SCAN_REQUEST_TIME, 0); |
| if (request != 0) { |
| sb.append(" proc(ms):").append(now - request); |
| } |
| } |
| if (mIsScanOngoing) sb.append(" onGoing"); |
| if (mIsFullScanOngoing) sb.append(" full"); |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| sb.append(" f=").append(mWifiInfo.getFrequency()); |
| sb.append(" sc=").append(mWifiInfo.score); |
| sb.append(" link=").append(mWifiInfo.getLinkSpeed()); |
| sb.append(String.format(" tx=%.1f,", mWifiInfo.txSuccessRate)); |
| sb.append(String.format(" %.1f,", mWifiInfo.txRetriesRate)); |
| sb.append(String.format(" %.1f ", mWifiInfo.txBadRate)); |
| sb.append(String.format(" rx=%.1f", mWifiInfo.rxSuccessRate)); |
| if (lastScanFreqs != null) { |
| sb.append(" list="); |
| for(int freq : lastScanFreqs) { |
| sb.append(freq).append(","); |
| } |
| } |
| report = reportOnTime(); |
| if (report != null) { |
| sb.append(" ").append(report); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| StateChangeResult stateChangeResult = (StateChangeResult) msg.obj; |
| if (stateChangeResult != null) { |
| sb.append(stateChangeResult.toString()); |
| } |
| break; |
| case WifiManager.SAVE_NETWORK: |
| case WifiStateMachine.CMD_AUTO_SAVE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (lastSavedConfigurationAttempt != null) { |
| sb.append(" ").append(lastSavedConfigurationAttempt.configKey()); |
| sb.append(" nid=").append(lastSavedConfigurationAttempt.networkId); |
| if (lastSavedConfigurationAttempt.hiddenSSID) { |
| sb.append(" hidden"); |
| } |
| if (lastSavedConfigurationAttempt.preSharedKey != null |
| && !lastSavedConfigurationAttempt.preSharedKey.equals("*")) { |
| sb.append(" hasPSK"); |
| } |
| if (lastSavedConfigurationAttempt.ephemeral) { |
| sb.append(" ephemeral"); |
| } |
| if (lastSavedConfigurationAttempt.selfAdded) { |
| sb.append(" selfAdded"); |
| } |
| sb.append(" cuid=").append(lastSavedConfigurationAttempt.creatorUid); |
| sb.append(" suid=").append(lastSavedConfigurationAttempt.lastUpdateUid); |
| } |
| break; |
| case WifiManager.FORGET_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (lastForgetConfigurationAttempt != null) { |
| sb.append(" ").append(lastForgetConfigurationAttempt.configKey()); |
| sb.append(" nid=").append(lastForgetConfigurationAttempt.networkId); |
| if (lastForgetConfigurationAttempt.hiddenSSID) { |
| sb.append(" hidden"); |
| } |
| if (lastForgetConfigurationAttempt.preSharedKey != null) { |
| sb.append(" hasPSK"); |
| } |
| if (lastForgetConfigurationAttempt.ephemeral) { |
| sb.append(" ephemeral"); |
| } |
| if (lastForgetConfigurationAttempt.selfAdded) { |
| sb.append(" selfAdded"); |
| } |
| sb.append(" cuid=").append(lastForgetConfigurationAttempt.creatorUid); |
| sb.append(" suid=").append(lastForgetConfigurationAttempt.lastUpdateUid); |
| WifiConfiguration.NetworkSelectionStatus netWorkSelectionStatus = |
| lastForgetConfigurationAttempt.getNetworkSelectionStatus(); |
| sb.append(" ajst=").append( |
| netWorkSelectionStatus.getNetworkStatusString()); |
| } |
| break; |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| String bssid = (String) msg.obj; |
| if (bssid != null && bssid.length() > 0) { |
| sb.append(" "); |
| sb.append(bssid); |
| } |
| sb.append(" blacklist=" + Boolean.toString(didBlackListBSSID)); |
| break; |
| case WifiMonitor.SCAN_RESULTS_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (mScanResults != null) { |
| sb.append(" found="); |
| sb.append(mScanResults.size()); |
| } |
| sb.append(" known=").append(mNumScanResultsKnown); |
| sb.append(" got=").append(mNumScanResultsReturned); |
| sb.append(String.format(" bcn=%d", mRunningBeaconCount)); |
| sb.append(String.format(" con=%d", mConnectionReqCount)); |
| sb.append(String.format(" untrustedcn=%d", mUntrustedReqCount)); |
| key = mWifiConfigManager.getLastSelectedConfiguration(); |
| if (key != null) { |
| sb.append(" last=").append(key); |
| } |
| break; |
| case WifiMonitor.SCAN_FAILED_EVENT: |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" ").append(mLastBssid); |
| sb.append(" nid=").append(mLastNetworkId); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| } |
| key = mWifiConfigManager.getLastSelectedConfiguration(); |
| if (key != null) { |
| sb.append(" last=").append(key); |
| } |
| break; |
| case CMD_TARGET_BSSID: |
| case CMD_ASSOCIATED_BSSID: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| sb.append(" BSSID=").append((String) msg.obj); |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" Target=").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mAutoRoaming)); |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| if (msg.obj != null) { |
| sb.append(" ").append((String) msg.obj); |
| } |
| sb.append(" nid=").append(msg.arg1); |
| sb.append(" reason=").append(msg.arg2); |
| if (mLastBssid != null) { |
| sb.append(" lastbssid=").append(mLastBssid); |
| } |
| if (mWifiInfo.getFrequency() != -1) { |
| sb.append(" freq=").append(mWifiInfo.getFrequency()); |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| } |
| if (isLinkDebouncing()) { |
| sb.append(" debounce"); |
| } |
| break; |
| case WifiMonitor.SSID_TEMP_DISABLED: |
| case WifiMonitor.SSID_REENABLED: |
| sb.append(" nid=").append(msg.arg1); |
| if (msg.obj != null) { |
| sb.append(" ").append((String) msg.obj); |
| } |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| WifiConfiguration.NetworkSelectionStatus netWorkSelectionStatus = |
| config.getNetworkSelectionStatus(); |
| sb.append(" cur=").append(config.configKey()); |
| sb.append(" ajst=").append(netWorkSelectionStatus.getNetworkStatusString()); |
| if (config.selfAdded) { |
| sb.append(" selfAdded"); |
| } |
| if (config.status != 0) { |
| sb.append(" st=").append(config.status); |
| sb.append(" rs=").append( |
| netWorkSelectionStatus.getNetworkDisableReasonString()); |
| } |
| if (config.lastConnected != 0) { |
| now = mClock.getWallClockMillis(); |
| sb.append(" lastconn=").append(now - config.lastConnected).append("(ms)"); |
| } |
| if (mLastBssid != null) { |
| sb.append(" lastbssid=").append(mLastBssid); |
| } |
| if (mWifiInfo.getFrequency() != -1) { |
| sb.append(" freq=").append(mWifiInfo.getFrequency()); |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| sb.append(" bssid=").append(mWifiInfo.getBSSID()); |
| } |
| } |
| break; |
| case CMD_RSSI_POLL: |
| case CMD_UNWANTED_NETWORK: |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (mWifiInfo.getSSID() != null) |
| if (mWifiInfo.getSSID() != null) |
| sb.append(" ").append(mWifiInfo.getSSID()); |
| if (mWifiInfo.getBSSID() != null) |
| sb.append(" ").append(mWifiInfo.getBSSID()); |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| sb.append(" f=").append(mWifiInfo.getFrequency()); |
| sb.append(" sc=").append(mWifiInfo.score); |
| sb.append(" link=").append(mWifiInfo.getLinkSpeed()); |
| sb.append(String.format(" tx=%.1f,", mWifiInfo.txSuccessRate)); |
| sb.append(String.format(" %.1f,", mWifiInfo.txRetriesRate)); |
| sb.append(String.format(" %.1f ", mWifiInfo.txBadRate)); |
| sb.append(String.format(" rx=%.1f", mWifiInfo.rxSuccessRate)); |
| sb.append(String.format(" bcn=%d", mRunningBeaconCount)); |
| report = reportOnTime(); |
| if (report != null) { |
| sb.append(" ").append(report); |
| } |
| if (mWifiScoreReport.isLastReportValid()) { |
| sb.append(mWifiScoreReport.getLastReport()); |
| } |
| break; |
| case CMD_AUTO_CONNECT: |
| case WifiManager.CONNECT_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| config = mWifiConfigManager.getWifiConfiguration(msg.arg1); |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| if (config.visibility != null) { |
| sb.append(" ").append(config.visibility.toString()); |
| } |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" ").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mAutoRoaming)); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| sb.append(config.configKey()); |
| if (config.visibility != null) { |
| sb.append(" ").append(config.visibility.toString()); |
| } |
| } |
| break; |
| case CMD_AUTO_ROAM: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| ScanResult result = (ScanResult) msg.obj; |
| if (result != null) { |
| now = mClock.getWallClockMillis(); |
| sb.append(" bssid=").append(result.BSSID); |
| sb.append(" rssi=").append(result.level); |
| sb.append(" freq=").append(result.frequency); |
| if (result.seen > 0 && result.seen < now) { |
| sb.append(" seen=").append(now - result.seen); |
| } else { |
| // Somehow the timestamp for this scan result is inconsistent |
| sb.append(" !seen=").append(result.seen); |
| } |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" ").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mAutoRoaming)); |
| sb.append(" fail count=").append(Integer.toString(mRoamFailCount)); |
| break; |
| case CMD_ADD_OR_UPDATE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| config = (WifiConfiguration) msg.obj; |
| sb.append(" ").append(config.configKey()); |
| sb.append(" prio=").append(config.priority); |
| sb.append(" status=").append(config.status); |
| if (config.BSSID != null) { |
| sb.append(" ").append(config.BSSID); |
| } |
| WifiConfiguration curConfig = getCurrentWifiConfiguration(); |
| if (curConfig != null) { |
| if (curConfig.configKey().equals(config.configKey())) { |
| sb.append(" is current"); |
| } else { |
| sb.append(" current=").append(curConfig.configKey()); |
| sb.append(" prio=").append(curConfig.priority); |
| sb.append(" status=").append(curConfig.status); |
| } |
| } |
| } |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| case CMD_ENABLE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| key = mWifiConfigManager.getLastSelectedConfiguration(); |
| if (key != null) { |
| sb.append(" last=").append(key); |
| } |
| config = mWifiConfigManager.getWifiConfiguration(msg.arg1); |
| if (config != null && (key == null || !config.configKey().equals(key))) { |
| sb.append(" target=").append(key); |
| } |
| break; |
| case CMD_GET_CONFIGURED_NETWORKS: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" num=").append(mWifiConfigManager.getConfiguredNetworksSize()); |
| break; |
| case DhcpClient.CMD_PRE_DHCP_ACTION: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" txpkts=").append(mWifiInfo.txSuccess); |
| sb.append(",").append(mWifiInfo.txBad); |
| sb.append(",").append(mWifiInfo.txRetries); |
| break; |
| case DhcpClient.CMD_POST_DHCP_ACTION: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.arg1 == DhcpClient.DHCP_SUCCESS) { |
| sb.append(" OK "); |
| } else if (msg.arg1 == DhcpClient.DHCP_FAILURE) { |
| sb.append(" FAIL "); |
| } |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| NetworkInfo info = (NetworkInfo) msg.obj; |
| NetworkInfo.State state = info.getState(); |
| NetworkInfo.DetailedState detailedState = info.getDetailedState(); |
| if (state != null) { |
| sb.append(" st=").append(state); |
| } |
| if (detailedState != null) { |
| sb.append("/").append(detailedState); |
| } |
| } |
| break; |
| case CMD_IP_CONFIGURATION_LOST: |
| int count = -1; |
| WifiConfiguration c = getCurrentWifiConfiguration(); |
| if (c != null) { |
| count = c.getNetworkSelectionStatus().getDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| } |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" failures: "); |
| sb.append(Integer.toString(count)); |
| sb.append("/"); |
| sb.append(Integer.toString(mWifiConfigManager.getMaxDhcpRetries())); |
| if (mWifiInfo.getBSSID() != null) { |
| sb.append(" ").append(mWifiInfo.getBSSID()); |
| } |
| sb.append(String.format(" bcn=%d", mRunningBeaconCount)); |
| break; |
| case CMD_UPDATE_LINKPROPERTIES: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| break; |
| case CMD_IP_REACHABILITY_LOST: |
| if (msg.obj != null) { |
| sb.append(" ").append((String) msg.obj); |
| } |
| break; |
| case CMD_INSTALL_PACKET_FILTER: |
| sb.append(" len=" + ((byte[])msg.obj).length); |
| break; |
| case CMD_SET_FALLBACK_PACKET_FILTERING: |
| sb.append(" enabled=" + (boolean)msg.obj); |
| break; |
| case CMD_ROAM_WATCHDOG_TIMER: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" cur=").append(roamWatchdogCount); |
| break; |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" cur=").append(disconnectingWatchdogCount); |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| case CMD_RSSI_THRESHOLD_BREACH: |
| sb.append(" rssi="); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" thresholds="); |
| sb.append(Arrays.toString(mRssiRanges)); |
| break; |
| case CMD_USER_SWITCH: |
| sb.append(" userId="); |
| sb.append(Integer.toString(msg.arg1)); |
| break; |
| case CMD_IPV4_PROVISIONING_SUCCESS: |
| sb.append(" "); |
| if (msg.arg1 == DhcpClient.DHCP_SUCCESS) { |
| sb.append("DHCP_OK"); |
| } else if (msg.arg1 == CMD_STATIC_IP_SUCCESS) { |
| sb.append("STATIC_OK"); |
| } else { |
| sb.append(Integer.toString(msg.arg1)); |
| } |
| break; |
| case CMD_IPV4_PROVISIONING_FAILURE: |
| sb.append(" "); |
| if (msg.arg1 == DhcpClient.DHCP_FAILURE) { |
| sb.append("DHCP_FAIL"); |
| } else if (msg.arg1 == CMD_STATIC_IP_FAILURE) { |
| sb.append("STATIC_FAIL"); |
| } else { |
| sb.append(Integer.toString(msg.arg1)); |
| } |
| break; |
| default: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| break; |
| } |
| |
| return sb.toString(); |
| } |
| |
| private void handleScreenStateChanged(boolean screenOn) { |
| mScreenOn = screenOn; |
| if (mVerboseLoggingEnabled) { |
| logd(" handleScreenStateChanged Enter: screenOn=" + screenOn |
| + " mUserWantsSuspendOpt=" + mUserWantsSuspendOpt |
| + " state " + getCurrentState().getName() |
| + " suppState:" + mSupplicantStateTracker.getSupplicantStateName()); |
| } |
| enableRssiPolling(screenOn); |
| if (mUserWantsSuspendOpt.get()) { |
| int shouldReleaseWakeLock = 0; |
| if (screenOn) { |
| sendMessage(CMD_SET_SUSPEND_OPT_ENABLED, 0, shouldReleaseWakeLock); |
| } else { |
| if (isConnected()) { |
| // Allow 2s for suspend optimizations to be set |
| mSuspendWakeLock.acquire(2000); |
| shouldReleaseWakeLock = 1; |
| } |
| sendMessage(CMD_SET_SUSPEND_OPT_ENABLED, 1, shouldReleaseWakeLock); |
| } |
| } |
| mScreenBroadcastReceived.set(true); |
| |
| getWifiLinkLayerStats(); |
| mOnTimeScreenStateChange = mOnTime; |
| lastScreenStateChangeTimeStamp = lastLinkLayerStatsUpdate; |
| |
| mWifiMetrics.setScreenState(screenOn); |
| |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.handleScreenStateChanged(screenOn); |
| } |
| |
| if (mVerboseLoggingEnabled) log("handleScreenStateChanged Exit: " + screenOn); |
| } |
| |
| private void checkAndSetConnectivityInstance() { |
| if (mCm == null) { |
| mCm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| } |
| } |
| |
| |
| /** |
| * Set the frequency band from the system setting value, if any. |
| */ |
| private void setFrequencyBand() { |
| int band = WifiManager.WIFI_FREQUENCY_BAND_AUTO; |
| |
| if (mWifiNative.setBand(band)) { |
| mFrequencyBand.set(band); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.setUserPreferredBand(band); |
| } |
| if (mVerboseLoggingEnabled) { |
| logd("done set frequency band " + band); |
| } |
| } else { |
| loge("Failed to set frequency band " + band); |
| } |
| } |
| |
| private void setSuspendOptimizationsNative(int reason, boolean enabled) { |
| if (mVerboseLoggingEnabled) { |
| log("setSuspendOptimizationsNative: " + reason + " " + enabled |
| + " -want " + mUserWantsSuspendOpt.get() |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| //mWifiNative.setSuspendOptimizations(enabled); |
| |
| if (enabled) { |
| mSuspendOptNeedsDisabled &= ~reason; |
| /* None of dhcp, screen or highperf need it disabled and user wants it enabled */ |
| if (mSuspendOptNeedsDisabled == 0 && mUserWantsSuspendOpt.get()) { |
| if (mVerboseLoggingEnabled) { |
| log("setSuspendOptimizationsNative do it " + reason + " " + enabled |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| mWifiNative.setSuspendOptimizations(true); |
| } |
| } else { |
| mSuspendOptNeedsDisabled |= reason; |
| mWifiNative.setSuspendOptimizations(false); |
| } |
| } |
| |
| private void setSuspendOptimizations(int reason, boolean enabled) { |
| if (mVerboseLoggingEnabled) log("setSuspendOptimizations: " + reason + " " + enabled); |
| if (enabled) { |
| mSuspendOptNeedsDisabled &= ~reason; |
| } else { |
| mSuspendOptNeedsDisabled |= reason; |
| } |
| if (mVerboseLoggingEnabled) log("mSuspendOptNeedsDisabled " + mSuspendOptNeedsDisabled); |
| } |
| |
| private void setWifiState(int wifiState) { |
| final int previousWifiState = mWifiState.get(); |
| |
| try { |
| if (wifiState == WIFI_STATE_ENABLED) { |
| mBatteryStats.noteWifiOn(); |
| } else if (wifiState == WIFI_STATE_DISABLED) { |
| mBatteryStats.noteWifiOff(); |
| } |
| } catch (RemoteException e) { |
| loge("Failed to note battery stats in wifi"); |
| } |
| |
| mWifiState.set(wifiState); |
| |
| if (mVerboseLoggingEnabled) log("setWifiState: " + syncGetWifiStateByName()); |
| |
| final Intent intent = new Intent(WifiManager.WIFI_STATE_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_WIFI_STATE, wifiState); |
| intent.putExtra(WifiManager.EXTRA_PREVIOUS_WIFI_STATE, previousWifiState); |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void setWifiApState(int wifiApState, int reason) { |
| final int previousWifiApState = mWifiApState.get(); |
| |
| try { |
| if (wifiApState == WIFI_AP_STATE_ENABLED) { |
| mBatteryStats.noteWifiOn(); |
| } else if (wifiApState == WIFI_AP_STATE_DISABLED) { |
| mBatteryStats.noteWifiOff(); |
| } |
| } catch (RemoteException e) { |
| loge("Failed to note battery stats in wifi"); |
| } |
| |
| // Update state |
| mWifiApState.set(wifiApState); |
| |
| if (mVerboseLoggingEnabled) log("setWifiApState: " + syncGetWifiApStateByName()); |
| |
| final Intent intent = new Intent(WifiManager.WIFI_AP_STATE_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_WIFI_AP_STATE, wifiApState); |
| intent.putExtra(WifiManager.EXTRA_PREVIOUS_WIFI_AP_STATE, previousWifiApState); |
| if (wifiApState == WifiManager.WIFI_AP_STATE_FAILED) { |
| //only set reason number when softAP start failed |
| intent.putExtra(WifiManager.EXTRA_WIFI_AP_FAILURE_REASON, reason); |
| } |
| |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void setScanResults() { |
| mNumScanResultsKnown = 0; |
| mNumScanResultsReturned = 0; |
| |
| ArrayList<ScanDetail> scanResults = mWifiNative.getScanResults(); |
| |
| if (scanResults.isEmpty()) { |
| mScanResults = new ArrayList<>(); |
| return; |
| } |
| |
| mWifiConfigManager.trimANQPCache(false); |
| |
| boolean connected = mLastBssid != null; |
| long activeBssid = 0L; |
| if (connected) { |
| try { |
| activeBssid = Utils.parseMac(mLastBssid); |
| } catch (IllegalArgumentException iae) { |
| connected = false; |
| } |
| } |
| |
| synchronized (mScanResultsLock) { |
| mScanResults = scanResults; |
| mNumScanResultsReturned = mScanResults.size(); |
| for (ScanDetail resultDetail : mScanResults) { |
| // Cache DTIM values parsed from the beacon frame Traffic Indication Map (TIM) |
| // Information Element (IE), into the associated WifiConfigurations. Most of the |
| // time there is no TIM IE in the scan result (Probe Response instead of Beacon |
| // Frame), these scanResult DTIM's are negative and ignored. |
| // <TODO> Cache these per BSSID, since dtim can change vary |
| NetworkDetail networkDetail = resultDetail.getNetworkDetail(); |
| if (networkDetail != null && networkDetail.getDtimInterval() > 0) { |
| List<WifiConfiguration> associatedWifiConfigurations = |
| mWifiConfigManager.getSavedNetworkFromScanDetail(resultDetail); |
| if (associatedWifiConfigurations != null) { |
| for (WifiConfiguration associatedConf : associatedWifiConfigurations) { |
| if (associatedConf != null) { |
| associatedConf.dtimInterval = networkDetail.getDtimInterval(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| if (isLinkDebouncing()) { |
| // If debouncing, we dont re-select a SSID or BSSID hence |
| // there is no need to call the network selection code |
| // in WifiAutoJoinController, instead, |
| // just try to reconnect to the same SSID by triggering a roam |
| // The third parameter 1 means roam not from network selection but debouncing |
| sendMessage(CMD_AUTO_ROAM, mLastNetworkId, 1, null); |
| } |
| } |
| |
| /* |
| * Fetch RSSI, linkspeed, and frequency on current connection |
| */ |
| private void fetchRssiLinkSpeedAndFrequencyNative() { |
| Integer newRssi = null; |
| Integer newLinkSpeed = null; |
| Integer newFrequency = null; |
| |
| String signalPoll = mWifiNative.signalPoll(); |
| |
| if (signalPoll != null) { |
| String[] lines = signalPoll.split("\n"); |
| for (String line : lines) { |
| String[] prop = line.split("="); |
| if (prop.length < 2) continue; |
| try { |
| if (prop[0].equals("RSSI")) { |
| newRssi = Integer.parseInt(prop[1]); |
| } else if (prop[0].equals("LINKSPEED")) { |
| newLinkSpeed = Integer.parseInt(prop[1]); |
| } else if (prop[0].equals("FREQUENCY")) { |
| newFrequency = Integer.parseInt(prop[1]); |
| } |
| } catch (NumberFormatException e) { |
| //Ignore, defaults on rssi and linkspeed are assigned |
| } |
| } |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| logd("fetchRssiLinkSpeedAndFrequencyNative rssi=" + newRssi + |
| " linkspeed=" + newLinkSpeed + " freq=" + newFrequency); |
| } |
| |
| if (newRssi != null && newRssi > WifiInfo.INVALID_RSSI && newRssi < WifiInfo.MAX_RSSI) { |
| // screen out invalid values |
| /* some implementations avoid negative values by adding 256 |
| * so we need to adjust for that here. |
| */ |
| if (newRssi > 0) newRssi -= 256; |
| mWifiInfo.setRssi(newRssi); |
| /* |
| * Log the rssi poll value in metrics |
| */ |
| mWifiMetrics.incrementRssiPollRssiCount(newRssi); |
| /* |
| * Rather then sending the raw RSSI out every time it |
| * changes, we precalculate the signal level that would |
| * be displayed in the status bar, and only send the |
| * broadcast if that much more coarse-grained number |
| * changes. This cuts down greatly on the number of |
| * broadcasts, at the cost of not informing others |
| * interested in RSSI of all the changes in signal |
| * level. |
| */ |
| int newSignalLevel = WifiManager.calculateSignalLevel(newRssi, WifiManager.RSSI_LEVELS); |
| if (newSignalLevel != mLastSignalLevel) { |
| updateCapabilities(getCurrentWifiConfiguration()); |
| sendRssiChangeBroadcast(newRssi); |
| } |
| mLastSignalLevel = newSignalLevel; |
| } else { |
| mWifiInfo.setRssi(WifiInfo.INVALID_RSSI); |
| updateCapabilities(getCurrentWifiConfiguration()); |
| } |
| |
| if (newLinkSpeed != null) { |
| mWifiInfo.setLinkSpeed(newLinkSpeed); |
| } |
| if (newFrequency != null && newFrequency > 0) { |
| if (ScanResult.is5GHz(newFrequency)) { |
| mWifiConnectionStatistics.num5GhzConnected++; |
| } |
| if (ScanResult.is24GHz(newFrequency)) { |
| mWifiConnectionStatistics.num24GhzConnected++; |
| } |
| mWifiInfo.setFrequency(newFrequency); |
| } |
| mWifiConfigManager.updateConfiguration(mWifiInfo); |
| } |
| |
| // Polling has completed, hence we wont have a score anymore |
| private void cleanWifiScore() { |
| mWifiInfo.txBadRate = 0; |
| mWifiInfo.txSuccessRate = 0; |
| mWifiInfo.txRetriesRate = 0; |
| mWifiInfo.rxSuccessRate = 0; |
| mWifiScoreReport.reset(); |
| } |
| |
| public double getTxPacketRate() { |
| return mWifiInfo.txSuccessRate; |
| } |
| |
| public double getRxPacketRate() { |
| return mWifiInfo.rxSuccessRate; |
| } |
| |
| /** |
| * Fetch TX packet counters on current connection |
| */ |
| private void fetchPktcntNative(RssiPacketCountInfo info) { |
| String pktcntPoll = mWifiNative.pktcntPoll(); |
| |
| if (pktcntPoll != null) { |
| String[] lines = pktcntPoll.split("\n"); |
| for (String line : lines) { |
| String[] prop = line.split("="); |
| if (prop.length < 2) continue; |
| try { |
| if (prop[0].equals("TXGOOD")) { |
| info.txgood = Integer.parseInt(prop[1]); |
| } else if (prop[0].equals("TXBAD")) { |
| info.txbad = Integer.parseInt(prop[1]); |
| } |
| } catch (NumberFormatException e) { |
| // Ignore |
| } |
| } |
| } |
| } |
| |
| private void updateLinkProperties(LinkProperties newLp) { |
| if (mVerboseLoggingEnabled) { |
| log("Link configuration changed for netId: " + mLastNetworkId |
| + " old: " + mLinkProperties + " new: " + newLp); |
| } |
| // We own this instance of LinkProperties because IpManager passes us a copy. |
| mLinkProperties = newLp; |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendLinkProperties(mLinkProperties); |
| } |
| |
| if (getNetworkDetailedState() == DetailedState.CONNECTED) { |
| // If anything has changed and we're already connected, send out a notification. |
| // TODO: Update all callers to use NetworkCallbacks and delete this. |
| sendLinkConfigurationChangedBroadcast(); |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("updateLinkProperties nid: " + mLastNetworkId); |
| sb.append(" state: " + getNetworkDetailedState()); |
| |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| logd(sb.toString()); |
| } |
| } |
| |
| /** |
| * Clears all our link properties. |
| */ |
| private void clearLinkProperties() { |
| // Clear the link properties obtained from DHCP. The only caller of this |
| // function has already called IpManager#stop(), which clears its state. |
| synchronized (mDhcpResultsLock) { |
| if (mDhcpResults != null) { |
| mDhcpResults.clear(); |
| } |
| } |
| |
| // Now clear the merged link properties. |
| mLinkProperties.clear(); |
| if (mNetworkAgent != null) mNetworkAgent.sendLinkProperties(mLinkProperties); |
| } |
| |
| /** |
| * try to update default route MAC address. |
| */ |
| private String updateDefaultRouteMacAddress(int timeout) { |
| String address = null; |
| for (RouteInfo route : mLinkProperties.getRoutes()) { |
| if (route.isDefaultRoute() && route.hasGateway()) { |
| InetAddress gateway = route.getGateway(); |
| if (gateway instanceof Inet4Address) { |
| if (mVerboseLoggingEnabled) { |
| logd("updateDefaultRouteMacAddress found Ipv4 default :" |
| + gateway.getHostAddress()); |
| } |
| address = macAddressFromRoute(gateway.getHostAddress()); |
| /* The gateway's MAC address is known */ |
| if ((address == null) && (timeout > 0)) { |
| boolean reachable = false; |
| try { |
| reachable = gateway.isReachable(timeout); |
| } catch (Exception e) { |
| loge("updateDefaultRouteMacAddress exception reaching :" |
| + gateway.getHostAddress()); |
| |
| } finally { |
| if (reachable == true) { |
| |
| address = macAddressFromRoute(gateway.getHostAddress()); |
| if (mVerboseLoggingEnabled) { |
| logd("updateDefaultRouteMacAddress reachable (tried again) :" |
| + gateway.getHostAddress() + " found " + address); |
| } |
| } |
| } |
| } |
| if (address != null) { |
| mWifiConfigManager.setDefaultGwMacAddress(mLastNetworkId, address); |
| } |
| } |
| } |
| } |
| return address; |
| } |
| |
| void sendScanResultsAvailableBroadcast(boolean scanSucceeded) { |
| Intent intent = new Intent(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_RESULTS_UPDATED, scanSucceeded); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendRssiChangeBroadcast(final int newRssi) { |
| try { |
| mBatteryStats.noteWifiRssiChanged(newRssi); |
| } catch (RemoteException e) { |
| // Won't happen. |
| } |
| Intent intent = new Intent(WifiManager.RSSI_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_NEW_RSSI, newRssi); |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendNetworkStateChangeBroadcast(String bssid) { |
| Intent intent = new Intent(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_NETWORK_INFO, new NetworkInfo(mNetworkInfo)); |
| intent.putExtra(WifiManager.EXTRA_LINK_PROPERTIES, new LinkProperties(mLinkProperties)); |
| if (bssid != null) |
| intent.putExtra(WifiManager.EXTRA_BSSID, bssid); |
| if (mNetworkInfo.getDetailedState() == DetailedState.VERIFYING_POOR_LINK || |
| mNetworkInfo.getDetailedState() == DetailedState.CONNECTED) { |
| // We no longer report MAC address to third-parties and our code does |
| // not rely on this broadcast, so just send the default MAC address. |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| WifiInfo sentWifiInfo = new WifiInfo(mWifiInfo); |
| sentWifiInfo.setMacAddress(WifiInfo.DEFAULT_MAC_ADDRESS); |
| intent.putExtra(WifiManager.EXTRA_WIFI_INFO, sentWifiInfo); |
| } |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private WifiInfo getWiFiInfoForUid(int uid) { |
| if (Binder.getCallingUid() == Process.myUid()) { |
| return mWifiInfo; |
| } |
| |
| WifiInfo result = new WifiInfo(mWifiInfo); |
| result.setMacAddress(WifiInfo.DEFAULT_MAC_ADDRESS); |
| |
| IBinder binder = mFacade.getService("package"); |
| IPackageManager packageManager = IPackageManager.Stub.asInterface(binder); |
| |
| try { |
| if (packageManager.checkUidPermission(Manifest.permission.LOCAL_MAC_ADDRESS, |
| uid) == PackageManager.PERMISSION_GRANTED) { |
| result.setMacAddress(mWifiInfo.getMacAddress()); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error checking receiver permission", e); |
| } |
| |
| return result; |
| } |
| |
| private void sendLinkConfigurationChangedBroadcast() { |
| Intent intent = new Intent(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_LINK_PROPERTIES, new LinkProperties(mLinkProperties)); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendSupplicantConnectionChangedBroadcast(boolean connected) { |
| Intent intent = new Intent(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_SUPPLICANT_CONNECTED, connected); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| /** |
| * Record the detailed state of a network. |
| * |
| * @param state the new {@code DetailedState} |
| */ |
| private boolean setNetworkDetailedState(NetworkInfo.DetailedState state) { |
| boolean hidden = false; |
| |
| if (isLinkDebouncing() || isRoaming()) { |
| // There is generally a confusion in the system about colluding |
| // WiFi Layer 2 state (as reported by supplicant) and the Network state |
| // which leads to multiple confusion. |
| // |
| // If link is de-bouncing or roaming, we already have an IP address |
| // as well we were connected and are doing L2 cycles of |
| // reconnecting or renewing IP address to check that we still have it |
| // This L2 link flapping should ne be reflected into the Network state |
| // which is the state of the WiFi Network visible to Layer 3 and applications |
| // Note that once debouncing and roaming are completed, we will |
| // set the Network state to where it should be, or leave it as unchanged |
| // |
| hidden = true; |
| } |
| if (mVerboseLoggingEnabled) { |
| log("setDetailed state, old =" |
| + mNetworkInfo.getDetailedState() + " and new state=" + state |
| + " hidden=" + hidden); |
| } |
| if (mNetworkInfo.getExtraInfo() != null && mWifiInfo.getSSID() != null |
| && !mWifiInfo.getSSID().equals(WifiSsid.NONE)) { |
| // Always indicate that SSID has changed |
| if (!mNetworkInfo.getExtraInfo().equals(mWifiInfo.getSSID())) { |
| if (mVerboseLoggingEnabled) { |
| log("setDetailed state send new extra info" + mWifiInfo.getSSID()); |
| } |
| mNetworkInfo.setExtraInfo(mWifiInfo.getSSID()); |
| sendNetworkStateChangeBroadcast(null); |
| } |
| } |
| if (hidden == true) { |
| return false; |
| } |
| |
| if (state != mNetworkInfo.getDetailedState()) { |
| mNetworkInfo.setDetailedState(state, null, mWifiInfo.getSSID()); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| } |
| sendNetworkStateChangeBroadcast(null); |
| return true; |
| } |
| return false; |
| } |
| |
| private DetailedState getNetworkDetailedState() { |
| return mNetworkInfo.getDetailedState(); |
| } |
| |
| private SupplicantState handleSupplicantStateChange(Message message) { |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| SupplicantState state = stateChangeResult.state; |
| // Supplicant state change |
| // [31-13] Reserved for future use |
| // [8 - 0] Supplicant state (as defined in SupplicantState.java) |
| // 50023 supplicant_state_changed (custom|1|5) |
| mWifiInfo.setSupplicantState(state); |
| // If we receive a supplicant state change with an empty SSID, |
| // this implies that wpa_supplicant is already disconnected. |
| // We should pretend we are still connected when linkDebouncing is on. |
| if ((stateChangeResult.wifiSsid == null |
| || stateChangeResult.wifiSsid.toString().isEmpty()) && isLinkDebouncing()) { |
| return state; |
| } |
| // Network id is only valid when we start connecting |
| if (SupplicantState.isConnecting(state)) { |
| mWifiInfo.setNetworkId(stateChangeResult.networkId); |
| } else { |
| mWifiInfo.setNetworkId(WifiConfiguration.INVALID_NETWORK_ID); |
| } |
| |
| mWifiInfo.setBSSID(stateChangeResult.BSSID); |
| |
| mWifiInfo.setSSID(stateChangeResult.wifiSsid); |
| mWifiInfo.setEphemeral(mWifiConfigManager.isEphemeral(mWifiInfo.getNetworkId())); |
| if (!mWifiInfo.getMeteredHint()) { // don't override the value if already set. |
| mWifiInfo.setMeteredHint(mWifiConfigManager.getMeteredHint(mWifiInfo.getNetworkId())); |
| } |
| |
| mSupplicantStateTracker.sendMessage(Message.obtain(message)); |
| |
| return state; |
| } |
| |
| /** |
| * Resets the Wi-Fi Connections by clearing any state, resetting any sockets |
| * using the interface, stopping DHCP & disabling interface |
| */ |
| private void handleNetworkDisconnect() { |
| if (mVerboseLoggingEnabled) { |
| log("handleNetworkDisconnect: Stopping DHCP and clearing IP" |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| |
| stopRssiMonitoringOffload(); |
| |
| clearCurrentConfigBSSID("handleNetworkDisconnect"); |
| |
| stopIpManager(); |
| |
| /* Reset data structures */ |
| mWifiScoreReport.reset(); |
| mWifiInfo.reset(); |
| mIsLinkDebouncing = false; |
| /* Reset roaming parameters */ |
| mAutoRoaming = false; |
| |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| mNetworkAgent = null; |
| } |
| mWifiConfigManager.updateStatus(mLastNetworkId, DetailedState.DISCONNECTED); |
| |
| /* Clear network properties */ |
| clearLinkProperties(); |
| |
| /* Cend event to CM & network change broadcast */ |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| |
| /* Cancel auto roam requests */ |
| autoRoamSetBSSID(mLastNetworkId, "any"); |
| mLastBssid = null; |
| registerDisconnected(); |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| } |
| |
| private void handleSupplicantConnectionLoss(boolean killSupplicant) { |
| /* Socket connection can be lost when we do a graceful shutdown |
| * or when the driver is hung. Ensure supplicant is stopped here. |
| */ |
| if (killSupplicant) { |
| mWifiMonitor.stopAllMonitoring(); |
| try { |
| if (!mClientInterface.disableSupplicant()) { |
| loge("Failed to disable supplicant after connection loss"); |
| } |
| } catch (RemoteException e) { |
| // Remote interface has died, there is no cleanup we can do. |
| } |
| } |
| mWifiNative.closeSupplicantConnection(); |
| sendSupplicantConnectionChangedBroadcast(false); |
| setWifiState(WIFI_STATE_DISABLED); |
| } |
| |
| void handlePreDhcpSetup() { |
| if (!mBluetoothConnectionActive) { |
| /* |
| * There are problems setting the Wi-Fi driver's power |
| * mode to active when bluetooth coexistence mode is |
| * enabled or sense. |
| * <p> |
| * We set Wi-Fi to active mode when |
| * obtaining an IP address because we've found |
| * compatibility issues with some routers with low power |
| * mode. |
| * <p> |
| * In order for this active power mode to properly be set, |
| * we disable coexistence mode until we're done with |
| * obtaining an IP address. One exception is if we |
| * are currently connected to a headset, since disabling |
| * coexistence would interrupt that connection. |
| */ |
| // Disable the coexistence mode |
| mWifiNative.setBluetoothCoexistenceMode( |
| WifiNative.BLUETOOTH_COEXISTENCE_MODE_DISABLED); |
| } |
| |
| // Disable power save and suspend optimizations during DHCP |
| // Note: The order here is important for now. Brcm driver changes |
| // power settings when we control suspend mode optimizations. |
| // TODO: Remove this comment when the driver is fixed. |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_DHCP, false); |
| mWifiNative.setPowerSave(false); |
| |
| // Update link layer stats |
| getWifiLinkLayerStats(); |
| |
| if (mWifiP2pChannel != null) { |
| /* P2p discovery breaks dhcp, shut it down in order to get through this */ |
| Message msg = new Message(); |
| msg.what = WifiP2pServiceImpl.BLOCK_DISCOVERY; |
| msg.arg1 = WifiP2pServiceImpl.ENABLED; |
| msg.arg2 = DhcpClient.CMD_PRE_DHCP_ACTION_COMPLETE; |
| msg.obj = WifiStateMachine.this; |
| mWifiP2pChannel.sendMessage(msg); |
| } |
| } |
| |
| void handlePostDhcpSetup() { |
| /* Restore power save and suspend optimizations */ |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_DHCP, true); |
| mWifiNative.setPowerSave(true); |
| |
| p2pSendMessage(WifiP2pServiceImpl.BLOCK_DISCOVERY, WifiP2pServiceImpl.DISABLED); |
| |
| // Set the coexistence mode back to its default value |
| mWifiNative.setBluetoothCoexistenceMode( |
| WifiNative.BLUETOOTH_COEXISTENCE_MODE_SENSE); |
| } |
| |
| /** |
| * Inform other components (WifiMetrics, WifiDiagnostics, etc.) that the current connection attempt |
| * has concluded. |
| */ |
| private void reportConnectionAttemptEnd(int level2FailureCode, int connectivityFailureCode) { |
| mWifiMetrics.endConnectionEvent(level2FailureCode, connectivityFailureCode); |
| switch (level2FailureCode) { |
| case WifiMetrics.ConnectionEvent.FAILURE_NONE: |
| case WifiMetrics.ConnectionEvent.FAILURE_REDUNDANT_CONNECTION_ATTEMPT: |
| case WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED: |
| // WifiDiagnostics doesn't care about success, or pre-empted connections. |
| break; |
| default: |
| mWifiDiagnostics.reportConnectionFailure(); |
| } |
| } |
| |
| private void handleIPv4Success(DhcpResults dhcpResults) { |
| if (mVerboseLoggingEnabled) { |
| logd("handleIPv4Success <" + dhcpResults.toString() + ">"); |
| logd("link address " + dhcpResults.ipAddress); |
| } |
| |
| Inet4Address addr; |
| synchronized (mDhcpResultsLock) { |
| mDhcpResults = dhcpResults; |
| addr = (Inet4Address) dhcpResults.ipAddress.getAddress(); |
| } |
| |
| if (isRoaming()) { |
| int previousAddress = mWifiInfo.getIpAddress(); |
| int newAddress = NetworkUtils.inetAddressToInt(addr); |
| if (previousAddress != newAddress) { |
| logd("handleIPv4Success, roaming and address changed" + |
| mWifiInfo + " got: " + addr); |
| } |
| } |
| mWifiInfo.setInetAddress(addr); |
| if (!mWifiInfo.getMeteredHint()) { // don't override the value if already set. |
| mWifiInfo.setMeteredHint(dhcpResults.hasMeteredHint()); |
| updateCapabilities(getCurrentWifiConfiguration()); |
| } |
| } |
| |
| private void handleSuccessfulIpConfiguration() { |
| mLastSignalLevel = -1; // Force update of signal strength |
| WifiConfiguration c = getCurrentWifiConfiguration(); |
| if (c != null) { |
| // Reset IP failure tracking |
| c.getNetworkSelectionStatus().clearDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| |
| // Tell the framework whether the newly connected network is trusted or untrusted. |
| updateCapabilities(c); |
| } |
| if (c != null) { |
| ScanResult result = getCurrentScanResult(); |
| if (result == null) { |
| logd("WifiStateMachine: handleSuccessfulIpConfiguration and no scan results" + |
| c.configKey()); |
| } else { |
| // Clear the per BSSID failure count |
| result.numIpConfigFailures = 0; |
| // Clear the WHOLE BSSID blacklist, which means supplicant is free to retry |
| // any BSSID, even though it may already have a non zero ip failure count, |
| // this will typically happen if the user walks away and come back to his arrea |
| // TODO: implement blacklisting based on a timer, i.e. keep BSSID blacklisted |
| // in supplicant for a couple of hours or a day |
| mWifiConfigManager.clearBssidBlacklist(); |
| } |
| } |
| } |
| |
| private void handleIPv4Failure() { |
| // TODO: Move this to provisioning failure, not DHCP failure. |
| // DHCPv4 failure is expected on an IPv6-only network. |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_DHCP_FAILURE); |
| if (mVerboseLoggingEnabled) { |
| int count = -1; |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| count = config.getNetworkSelectionStatus().getDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| } |
| log("DHCP failure count=" + count); |
| } |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_DHCP, |
| WifiMetricsProto.ConnectionEvent.HLF_DHCP); |
| synchronized(mDhcpResultsLock) { |
| if (mDhcpResults != null) { |
| mDhcpResults.clear(); |
| } |
| } |
| if (mVerboseLoggingEnabled) { |
| logd("handleIPv4Failure"); |
| } |
| } |
| |
| private void handleIpConfigurationLost() { |
| mWifiInfo.setInetAddress(null); |
| mWifiInfo.setMeteredHint(false); |
| |
| mWifiConfigManager.updateNetworkSelectionStatus(mLastNetworkId, |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| |
| /* DHCP times out after about 30 seconds, we do a |
| * disconnect thru supplicant, we will let autojoin retry connecting to the network |
| */ |
| mWifiNative.disconnect(); |
| } |
| |
| // TODO: De-duplicated this and handleIpConfigurationLost(). |
| private void handleIpReachabilityLost() { |
| mWifiInfo.setInetAddress(null); |
| mWifiInfo.setMeteredHint(false); |
| |
| // TODO: Determine whether to call some form of mWifiConfigManager.handleSSIDStateChange(). |
| |
| // Disconnect via supplicant, and let autojoin retry connecting to the network. |
| mWifiNative.disconnect(); |
| } |
| |
| private static IClientInterface setupDriverForClientMode(IWificond wificond) { |
| if (wificond == null) { |
| Log.e(TAG, "Failed to get reference to wificond"); |
| return null; |
| } |
| |
| IClientInterface clientInterface = null; |
| try { |
| clientInterface = wificond.createClientInterface(); |
| } catch (RemoteException e1) { } |
| |
| if (clientInterface == null) { |
| Log.e(TAG, "Could not get IClientInterface instance from wificond"); |
| return null; |
| } |
| |
| return clientInterface; |
| } |
| |
| private IApInterface setupDriverForSoftAp() { |
| if (mWificond == null) { |
| Log.e(TAG, "Failed to get reference to wificond"); |
| return null; |
| } |
| |
| IApInterface apInterface = null; |
| try { |
| apInterface = mWificond.createApInterface(); |
| } catch (RemoteException e1) { } |
| |
| if (apInterface == null) { |
| Log.e(TAG, "Could not get IApInterface instance from wificond"); |
| return null; |
| } |
| |
| if (!mWifiNative.startHal()) { |
| // starting HAL is optional |
| Log.e(TAG, "Failed to start HAL for AP mode"); |
| } |
| return apInterface; |
| } |
| |
| private byte[] macAddressFromString(String macString) { |
| String[] macBytes = macString.split(":"); |
| if (macBytes.length != 6) { |
| throw new IllegalArgumentException("MAC address should be 6 bytes long!"); |
| } |
| byte[] mac = new byte[6]; |
| for (int i = 0; i < macBytes.length; i++) { |
| Integer hexVal = Integer.parseInt(macBytes[i], 16); |
| mac[i] = hexVal.byteValue(); |
| } |
| return mac; |
| } |
| |
| /* |
| * Read a MAC address in /proc/arp/table, used by WifistateMachine |
| * so as to record MAC address of default gateway. |
| **/ |
| private String macAddressFromRoute(String ipAddress) { |
| String macAddress = null; |
| BufferedReader reader = null; |
| try { |
| reader = new BufferedReader(new FileReader("/proc/net/arp")); |
| |
| // Skip over the line bearing colum titles |
| String line = reader.readLine(); |
| |
| while ((line = reader.readLine()) != null) { |
| String[] tokens = line.split("[ ]+"); |
| if (tokens.length < 6) { |
| continue; |
| } |
| |
| // ARP column format is |
| // Address HWType HWAddress Flags Mask IFace |
| String ip = tokens[0]; |
| String mac = tokens[3]; |
| |
| if (ipAddress.equals(ip)) { |
| macAddress = mac; |
| break; |
| } |
| } |
| |
| if (macAddress == null) { |
| loge("Did not find remoteAddress {" + ipAddress + "} in " + |
| "/proc/net/arp"); |
| } |
| |
| } catch (FileNotFoundException e) { |
| loge("Could not open /proc/net/arp to lookup mac address"); |
| } catch (IOException e) { |
| loge("Could not read /proc/net/arp to lookup mac address"); |
| } finally { |
| try { |
| if (reader != null) { |
| reader.close(); |
| } |
| } catch (IOException e) { |
| // Do nothing |
| } |
| } |
| return macAddress; |
| |
| } |
| |
| private class WifiNetworkFactory extends NetworkFactory { |
| public WifiNetworkFactory(Looper l, Context c, String TAG, NetworkCapabilities f) { |
| super(l, c, TAG, f); |
| } |
| |
| @Override |
| protected void needNetworkFor(NetworkRequest networkRequest, int score) { |
| synchronized (mWifiReqCountLock) { |
| if (++mConnectionReqCount == 1) { |
| if (mWifiConnectivityManager != null && mUntrustedReqCount == 0) { |
| mWifiConnectivityManager.enable(true); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void releaseNetworkFor(NetworkRequest networkRequest) { |
| synchronized (mWifiReqCountLock) { |
| if (--mConnectionReqCount == 0) { |
| if (mWifiConnectivityManager != null && mUntrustedReqCount == 0) { |
| mWifiConnectivityManager.enable(false); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("mConnectionReqCount " + mConnectionReqCount); |
| } |
| |
| } |
| |
| private class UntrustedWifiNetworkFactory extends NetworkFactory { |
| public UntrustedWifiNetworkFactory(Looper l, Context c, String tag, NetworkCapabilities f) { |
| super(l, c, tag, f); |
| } |
| |
| @Override |
| protected void needNetworkFor(NetworkRequest networkRequest, int score) { |
| if (!networkRequest.networkCapabilities.hasCapability( |
| NetworkCapabilities.NET_CAPABILITY_TRUSTED)) { |
| synchronized (mWifiReqCountLock) { |
| if (++mUntrustedReqCount == 1) { |
| if (mWifiConnectivityManager != null) { |
| if (mConnectionReqCount == 0) { |
| mWifiConnectivityManager.enable(true); |
| } |
| mWifiConnectivityManager.setUntrustedConnectionAllowed(true); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void releaseNetworkFor(NetworkRequest networkRequest) { |
| if (!networkRequest.networkCapabilities.hasCapability( |
| NetworkCapabilities.NET_CAPABILITY_TRUSTED)) { |
| synchronized (mWifiReqCountLock) { |
| if (--mUntrustedReqCount == 0) { |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.setUntrustedConnectionAllowed(false); |
| if (mConnectionReqCount == 0) { |
| mWifiConnectivityManager.enable(false); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("mUntrustedReqCount " + mUntrustedReqCount); |
| } |
| } |
| |
| void maybeRegisterNetworkFactory() { |
| if (mNetworkFactory == null) { |
| checkAndSetConnectivityInstance(); |
| if (mCm != null) { |
| mNetworkFactory = new WifiNetworkFactory(getHandler().getLooper(), mContext, |
| NETWORKTYPE, mNetworkCapabilitiesFilter); |
| mNetworkFactory.setScoreFilter(60); |
| mNetworkFactory.register(); |
| |
| // We can't filter untrusted network in the capabilities filter because a trusted |
| // network would still satisfy a request that accepts untrusted ones. |
| mUntrustedNetworkFactory = new UntrustedWifiNetworkFactory(getHandler().getLooper(), |
| mContext, NETWORKTYPE_UNTRUSTED, mNetworkCapabilitiesFilter); |
| mUntrustedNetworkFactory.setScoreFilter(Integer.MAX_VALUE); |
| mUntrustedNetworkFactory.register(); |
| } |
| } |
| } |
| |
| /******************************************************** |
| * HSM states |
| *******************************************************/ |
| |
| class DefaultState extends State { |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| AsyncChannel ac = (AsyncChannel) message.obj; |
| if (ac == mWifiP2pChannel) { |
| if (message.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| p2pSendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION); |
| } else { |
| loge("WifiP2pService connection failure, error=" + message.arg1); |
| } |
| } else { |
| loge("got HALF_CONNECTED for unknown channel"); |
| } |
| break; |
| } |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| AsyncChannel ac = (AsyncChannel) message.obj; |
| if (ac == mWifiP2pChannel) { |
| loge("WifiP2pService channel lost, message.arg1 =" + message.arg1); |
| //TODO: Re-establish connection to state machine after a delay |
| // mWifiP2pChannel.connect(mContext, getHandler(), |
| // mWifiP2pManager.getMessenger()); |
| } |
| break; |
| } |
| case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE: |
| mBluetoothConnectionActive = (message.arg1 != |
| BluetoothAdapter.STATE_DISCONNECTED); |
| break; |
| /* Synchronous call returns */ |
| case CMD_PING_SUPPLICANT: |
| case CMD_ENABLE_NETWORK: |
| case CMD_ADD_OR_UPDATE_NETWORK: |
| case CMD_REMOVE_NETWORK: |
| case CMD_SAVE_CONFIG: |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| case CMD_GET_CAPABILITY_FREQ: |
| replyToMessage(message, message.what, null); |
| break; |
| case CMD_GET_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, (List<WifiConfiguration>) null); |
| break; |
| case CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, (List<WifiConfiguration>) null); |
| break; |
| case CMD_ENABLE_RSSI_POLL: |
| mEnableRssiPolling = (message.arg1 == 1); |
| break; |
| case CMD_SET_HIGH_PERF_MODE: |
| if (message.arg1 == 1) { |
| setSuspendOptimizations(SUSPEND_DUE_TO_HIGH_PERF, false); |
| } else { |
| setSuspendOptimizations(SUSPEND_DUE_TO_HIGH_PERF, true); |
| } |
| break; |
| case CMD_BOOT_COMPLETED: |
| maybeRegisterNetworkFactory(); |
| break; |
| case CMD_SCREEN_STATE_CHANGED: |
| handleScreenStateChanged(message.arg1 != 0); |
| break; |
| /* Discard */ |
| case CMD_START_SCAN: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_START_SUPPLICANT: |
| case CMD_STOP_SUPPLICANT: |
| case CMD_STOP_SUPPLICANT_FAILED: |
| case CMD_DRIVER_START_TIMED_OUT: |
| case CMD_START_AP: |
| case CMD_START_AP_FAILURE: |
| case CMD_STOP_AP: |
| case CMD_AP_STOPPED: |
| case CMD_DISCONNECT: |
| case CMD_RECONNECT: |
| case CMD_REASSOCIATE: |
| case CMD_RELOAD_TLS_AND_RECONNECT: |
| case WifiMonitor.SUP_CONNECTION_EVENT: |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| case WifiMonitor.SCAN_RESULTS_EVENT: |
| case WifiMonitor.SCAN_FAILED_EVENT: |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| case WifiMonitor.WPS_OVERLAP_EVENT: |
| case CMD_BLACKLIST_NETWORK: |
| case CMD_CLEAR_BLACKLIST: |
| case CMD_SET_OPERATIONAL_MODE: |
| case CMD_SET_FREQUENCY_BAND: |
| case CMD_RSSI_POLL: |
| case CMD_ENABLE_ALL_NETWORKS: |
| case DhcpClient.CMD_PRE_DHCP_ACTION: |
| case DhcpClient.CMD_PRE_DHCP_ACTION_COMPLETE: |
| case DhcpClient.CMD_POST_DHCP_ACTION: |
| case CMD_NO_NETWORKS_PERIODIC_SCAN: |
| case CMD_DISABLE_P2P_RSP: |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| case CMD_TEST_NETWORK_DISCONNECT: |
| case WifiMonitor.SUP_REQUEST_SIM_AUTH: |
| case CMD_TARGET_BSSID: |
| case CMD_AUTO_CONNECT: |
| case CMD_AUTO_ROAM: |
| case CMD_AUTO_SAVE_NETWORK: |
| case CMD_ASSOCIATED_BSSID: |
| case CMD_UNWANTED_NETWORK: |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| case CMD_ROAM_WATCHDOG_TIMER: |
| case CMD_DISABLE_EPHEMERAL_NETWORK: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_SET_SUSPEND_OPT_ENABLED: |
| if (message.arg1 == 1) { |
| if (message.arg2 == 1) { |
| mSuspendWakeLock.release(); |
| } |
| setSuspendOptimizations(SUSPEND_DUE_TO_SCREEN, true); |
| } else { |
| setSuspendOptimizations(SUSPEND_DUE_TO_SCREEN, false); |
| } |
| break; |
| case WifiMonitor.DRIVER_HUNG_EVENT: |
| setSupplicantRunning(false); |
| setSupplicantRunning(true); |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.FORGET_NETWORK: |
| replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.SAVE_NETWORK: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.START_WPS: |
| replyToMessage(message, WifiManager.WPS_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.CANCEL_WPS: |
| replyToMessage(message, WifiManager.CANCEL_WPS_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| replyToMessage(message, WifiManager.RSSI_PKTCNT_FETCH_FAILED, |
| WifiManager.BUSY); |
| break; |
| case CMD_GET_SUPPORTED_FEATURES: |
| int featureSet = mWifiNative.getSupportedFeatureSet(); |
| replyToMessage(message, message.what, featureSet); |
| break; |
| case CMD_FIRMWARE_ALERT: |
| if (mWifiDiagnostics != null) { |
| byte[] buffer = (byte[])message.obj; |
| int alertReason = message.arg1; |
| mWifiDiagnostics.captureAlertData(alertReason, buffer); |
| mWifiMetrics.incrementAlertReasonCount(alertReason); |
| } |
| break; |
| case CMD_GET_LINK_LAYER_STATS: |
| // Not supported hence reply with error message |
| replyToMessage(message, message.what, null); |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| NetworkInfo info = (NetworkInfo) message.obj; |
| mP2pConnected.set(info.isConnected()); |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| mTemporarilyDisconnectWifi = (message.arg1 == 1); |
| replyToMessage(message, WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE); |
| break; |
| /* Link configuration (IP address, DNS, ...) changes notified via netlink */ |
| case CMD_UPDATE_LINKPROPERTIES: |
| updateLinkProperties((LinkProperties) message.obj); |
| break; |
| case CMD_GET_MATCHING_CONFIG: |
| replyToMessage(message, message.what); |
| break; |
| case CMD_IP_CONFIGURATION_SUCCESSFUL: |
| case CMD_IP_CONFIGURATION_LOST: |
| case CMD_IP_REACHABILITY_LOST: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_GET_CONNECTION_STATISTICS: |
| replyToMessage(message, message.what, mWifiConnectionStatistics); |
| break; |
| case CMD_REMOVE_APP_CONFIGURATIONS: |
| deferMessage(message); |
| break; |
| case CMD_REMOVE_USER_CONFIGURATIONS: |
| deferMessage(message); |
| break; |
| case CMD_START_IP_PACKET_OFFLOAD: |
| if (mNetworkAgent != null) mNetworkAgent.onPacketKeepaliveEvent( |
| message.arg1, |
| ConnectivityManager.PacketKeepalive.ERROR_INVALID_NETWORK); |
| break; |
| case CMD_STOP_IP_PACKET_OFFLOAD: |
| if (mNetworkAgent != null) mNetworkAgent.onPacketKeepaliveEvent( |
| message.arg1, |
| ConnectivityManager.PacketKeepalive.ERROR_INVALID_NETWORK); |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_USER_SWITCH: |
| mWifiConfigManager.handleUserSwitch(message.arg1); |
| break; |
| case CMD_ADD_PASSPOINT_MO: |
| case CMD_MODIFY_PASSPOINT_MO: |
| case CMD_QUERY_OSU_ICON: |
| case CMD_MATCH_PROVIDER_NETWORK: |
| /* reply with arg1 = 0 - it returns API failure to the calling app |
| * (message.what is not looked at) |
| */ |
| replyToMessage(message, message.what); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| /* Defer this message until supplicant is started. */ |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| case CMD_INSTALL_PACKET_FILTER: |
| mWifiNative.installPacketFilter((byte[]) message.obj); |
| break; |
| case CMD_SET_FALLBACK_PACKET_FILTERING: |
| if ((boolean) message.obj) { |
| mWifiNative.startFilteringMulticastV4Packets(); |
| } else { |
| mWifiNative.stopFilteringMulticastV4Packets(); |
| } |
| break; |
| case CMD_CLIENT_INTERFACE_BINDER_DEATH: |
| // We have lost contact with a client interface, which means that we cannot |
| // trust that the driver is up or that the interface is ready. We are fit |
| // for no WiFi related work. |
| transitionTo(mInitialState); |
| break; |
| default: |
| loge("Error! unhandled message" + message); |
| break; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class InitialState extends State { |
| |
| private void cleanup() { |
| // Tearing down the client interfaces below is going to stop our supplicant. |
| mWifiMonitor.stopAllMonitoring(); |
| |
| mDeathRecipient.unlinkToDeath(); |
| if (mWificond != null) { |
| try { |
| mWificond.tearDownInterfaces(); |
| } catch (RemoteException e) { |
| // There is very little we can do here |
| Log.e(TAG, "Failed to tear down interfaces via wificond"); |
| } |
| mWificond = null; |
| } |
| mWifiNative.stopHal(); |
| } |
| |
| @Override |
| public void enter() { |
| cleanup(); |
| if (mWifiP2pChannel == null && mWifiP2pServiceImpl != null) { |
| mWifiP2pChannel = new AsyncChannel(); |
| mWifiP2pChannel.connect(mContext, getHandler(), |
| mWifiP2pServiceImpl.getP2pStateMachineMessenger()); |
| } |
| |
| if (mWifiApConfigStore == null) { |
| mWifiApConfigStore = |
| mFacade.makeApConfigStore(mContext, mBackupManagerProxy); |
| } |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| switch (message.what) { |
| case CMD_START_SUPPLICANT: |
| // Refresh our reference to wificond. This allows us to tolerate restarts. |
| mWificond = mWifiInjector.makeWificond(); |
| mClientInterface = setupDriverForClientMode(mWificond); |
| if (mClientInterface == null || |
| !mDeathRecipient.linkToDeath(mClientInterface.asBinder())) { |
| setWifiState(WifiManager.WIFI_STATE_UNKNOWN); |
| cleanup(); |
| break; |
| } |
| |
| try { |
| // A runtime crash can leave the interface up and |
| // IP addresses configured, and this affects |
| // connectivity when supplicant starts up. |
| // Ensure interface is down and we have no IP |
| // addresses before a supplicant start. |
| mNwService.setInterfaceDown(mInterfaceName); |
| mNwService.clearInterfaceAddresses(mInterfaceName); |
| |
| // Set privacy extensions |
| mNwService.setInterfaceIpv6PrivacyExtensions(mInterfaceName, true); |
| |
| // IPv6 is enabled only as long as access point is connected since: |
| // - IPv6 addresses and routes stick around after disconnection |
| // - kernel is unaware when connected and fails to start IPv6 negotiation |
| // - kernel can start autoconfiguration when 802.1x is not complete |
| mNwService.disableIpv6(mInterfaceName); |
| } catch (RemoteException re) { |
| loge("Unable to change interface settings: " + re); |
| } catch (IllegalStateException ie) { |
| loge("Unable to change interface settings: " + ie); |
| } |
| |
| if (!mWifiNative.startHal()) { |
| // starting HAL is optional |
| Log.e(TAG, "Failed to start HAL for client mode"); |
| } |
| |
| try { |
| if (!mClientInterface.enableSupplicant()) { |
| loge("Failed to start supplicant!"); |
| setWifiState(WifiManager.WIFI_STATE_UNKNOWN); |
| cleanup(); |
| break; |
| } |
| } catch (RemoteException e) { |
| cleanup(); |
| break; |
| } |
| setSupplicantLogLevel(); |
| setWifiState(WIFI_STATE_ENABLING); |
| if (mVerboseLoggingEnabled) log("Supplicant start successful"); |
| mWifiMonitor.startMonitoring(mInterfaceName); |
| transitionTo(mSupplicantStartingState); |
| break; |
| case CMD_START_AP: |
| // Refresh our reference to wificond. This allows us to tolerate restarts. |
| mWificond = mWifiInjector.makeWificond(); |
| transitionTo(mSoftApState); |
| break; |
| case CMD_SET_OPERATIONAL_MODE: |
| mOperationalMode = message.arg1; |
| if (mOperationalMode != DISABLED_MODE) { |
| sendMessage(CMD_START_SUPPLICANT); |
| } |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class SupplicantStartingState extends State { |
| private void initializeWpsDetails() { |
| String detail; |
| detail = mPropertyService.get("ro.product.name", ""); |
| if (!mWifiNative.setDeviceName(detail)) { |
| loge("Failed to set device name " + detail); |
| } |
| detail = mPropertyService.get("ro.product.manufacturer", ""); |
| if (!mWifiNative.setManufacturer(detail)) { |
| loge("Failed to set manufacturer " + detail); |
| } |
| detail = mPropertyService.get("ro.product.model", ""); |
| if (!mWifiNative.setModelName(detail)) { |
| loge("Failed to set model name " + detail); |
| } |
| detail = mPropertyService.get("ro.product.model", ""); |
| if (!mWifiNative.setModelNumber(detail)) { |
| loge("Failed to set model number " + detail); |
| } |
| detail = mPropertyService.get("ro.serialno", ""); |
| if (!mWifiNative.setSerialNumber(detail)) { |
| loge("Failed to set serial number " + detail); |
| } |
| if (!mWifiNative.setConfigMethods("physical_display virtual_push_button")) { |
| loge("Failed to set WPS config methods"); |
| } |
| if (!mWifiNative.setDeviceType(mPrimaryDeviceType)) { |
| loge("Failed to set primary device type " + mPrimaryDeviceType); |
| } |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case WifiMonitor.SUP_CONNECTION_EVENT: |
| if (mVerboseLoggingEnabled) log("Supplicant connection established"); |
| setWifiState(WIFI_STATE_ENABLED); |
| mSupplicantRestartCount = 0; |
| /* Reset the supplicant state to indicate the supplicant |
| * state is not known at this time */ |
| mSupplicantStateTracker.sendMessage(CMD_RESET_SUPPLICANT_STATE); |
| /* Initialize data structures */ |
| mLastBssid = null; |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mLastSignalLevel = -1; |
| |
| mWifiInfo.setMacAddress(mWifiNative.getMacAddress()); |
| /* set frequency band of operation */ |
| setFrequencyBand(); |
| mWifiNative.enableSaveConfig(); |
| mWifiConfigManager.loadAndEnableAllNetworks(); |
| initializeWpsDetails(); |
| |
| sendSupplicantConnectionChangedBroadcast(true); |
| transitionTo(mSupplicantStartedState); |
| break; |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: |
| if (++mSupplicantRestartCount <= SUPPLICANT_RESTART_TRIES) { |
| loge("Failed to setup control channel, restart supplicant"); |
| mWifiMonitor.stopAllMonitoring(); |
| try { |
| mClientInterface.disableSupplicant(); |
| } catch (RemoteException e) { |
| // The client interface is dead, there is nothing more we can do. |
| } |
| transitionTo(mInitialState); |
| sendMessageDelayed(CMD_START_SUPPLICANT, SUPPLICANT_RESTART_INTERVAL_MSECS); |
| } else { |
| loge("Failed " + mSupplicantRestartCount + |
| " times to start supplicant, unload driver"); |
| mSupplicantRestartCount = 0; |
| setWifiState(WIFI_STATE_UNKNOWN); |
| transitionTo(mInitialState); |
| } |
| break; |
| case CMD_START_SUPPLICANT: |
| case CMD_STOP_SUPPLICANT: |
| case CMD_START_AP: |
| case CMD_STOP_AP: |
| case CMD_SET_OPERATIONAL_MODE: |
| case CMD_SET_FREQUENCY_BAND: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class SupplicantStartedState extends State { |
| @Override |
| public void enter() { |
| if (mVerboseLoggingEnabled) { |
| logd("SupplicantStartedState enter"); |
| } |
| |
| /* Wifi is available as long as we have a connection to supplicant */ |
| mNetworkInfo.setIsAvailable(true); |
| if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| |
| int defaultInterval = mContext.getResources().getInteger( |
| R.integer.config_wifi_supplicant_scan_interval); |
| |
| mSupplicantScanIntervalMs = mFacade.getLongSetting(mContext, |
| Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS, |
| defaultInterval); |
| |
| mWifiNative.setScanInterval((int)mSupplicantScanIntervalMs / 1000); |
| mWifiNative.setExternalSim(true); |
| |
| /* turn on use of DFS channels */ |
| mWifiNative.setDfsFlag(true); |
| |
| setRandomMacOui(); |
| mWifiNative.enableAutoConnect(false); |
| mCountryCode.setReadyForChange(true); |
| |
| // We can't do this in the constructor because WifiStateMachine is created before the |
| // wifi scanning service is initialized |
| if (mWifiScanner == null) { |
| mWifiScanner = mFacade.makeWifiScanner(mContext, getHandler().getLooper()); |
| |
| synchronized (mWifiReqCountLock) { |
| mWifiConnectivityManager = new WifiConnectivityManager(mContext, |
| WifiStateMachine.this, mWifiScanner, mWifiConfigManager, mWifiInfo, |
| mWifiQualifiedNetworkSelector, mWifiInjector, |
| getHandler().getLooper(), hasConnectionRequests()); |
| mWifiConnectivityManager.setUntrustedConnectionAllowed(mUntrustedReqCount > 0); |
| } |
| } |
| |
| mWifiDiagnostics.startLogging(mVerboseLoggingEnabled); |
| mIsRunning = true; |
| updateBatteryWorkSource(null); |
| /** |
| * Enable bluetooth coexistence scan mode when bluetooth connection is active. |
| * When this mode is on, some of the low-level scan parameters used by the |
| * driver are changed to reduce interference with bluetooth |
| */ |
| mWifiNative.setBluetoothCoexistenceScanMode(mBluetoothConnectionActive); |
| /* initialize network state */ |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| |
| // Disable legacy multicast filtering, which on some chipsets defaults to enabled. |
| // Legacy IPv6 multicast filtering blocks ICMPv6 router advertisements which breaks IPv6 |
| // provisioning. Legacy IPv4 multicast filtering may be re-enabled later via |
| // IpManager.Callback.setFallbackMulticastFilter() |
| mWifiNative.stopFilteringMulticastV4Packets(); |
| mWifiNative.stopFilteringMulticastV6Packets(); |
| |
| if (mOperationalMode == SCAN_ONLY_MODE || |
| mOperationalMode == SCAN_ONLY_WITH_WIFI_OFF_MODE) { |
| mWifiNative.disconnect(); |
| mWifiConfigManager.disableAllNetworksNative(); |
| if (mOperationalMode == SCAN_ONLY_WITH_WIFI_OFF_MODE) { |
| setWifiState(WIFI_STATE_DISABLED); |
| } |
| transitionTo(mScanModeState); |
| } else if (mOperationalMode == CONNECT_MODE){ |
| |
| // Status pulls in the current supplicant state and network connection state |
| // events over the monitor connection. This helps framework sync up with |
| // current supplicant state |
| // TODO: actually check the supplicant status string and make sure the supplicant |
| // is in disconnecte4d state. |
| mWifiNative.status(); |
| // Transitioning to Disconnected state will trigger a scan and subsequently AutoJoin |
| transitionTo(mDisconnectedState); |
| } else if (mOperationalMode == DISABLED_MODE) { |
| transitionTo(mSupplicantStoppingState); |
| } |
| |
| // We may have missed screen update at boot |
| if (mScreenBroadcastReceived.get() == false) { |
| PowerManager powerManager = (PowerManager)mContext.getSystemService( |
| Context.POWER_SERVICE); |
| handleScreenStateChanged(powerManager.isInteractive()); |
| } else { |
| // Set the right suspend mode settings |
| mWifiNative.setSuspendOptimizations(mSuspendOptNeedsDisabled == 0 |
| && mUserWantsSuspendOpt.get()); |
| |
| // Inform WifiConnectivtyManager the screen state in case |
| // WifiConnectivityManager missed the last screen update because |
| // it was not started yet. |
| mWifiConnectivityManager.handleScreenStateChanged(mScreenOn); |
| } |
| mWifiNative.setPowerSave(true); |
| |
| if (mP2pSupported) { |
| if (mOperationalMode == CONNECT_MODE) { |
| p2pSendMessage(WifiStateMachine.CMD_ENABLE_P2P); |
| } else { |
| // P2P state machine starts in disabled state, and is not enabled until |
| // CMD_ENABLE_P2P is sent from here; so, nothing needs to be done to |
| // keep it disabled. |
| } |
| } |
| |
| if (mNanSupported && mWifiNanManager != null) { |
| if (mOperationalMode == CONNECT_MODE) { |
| mWifiNanManager.enableUsage(); |
| } else { |
| /* |
| * NAN state machine starts in disabled state. Nothing |
| * needed to keep it disabled. |
| */ |
| } |
| } |
| |
| final Intent intent = new Intent(WifiManager.WIFI_SCAN_AVAILABLE); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_SCAN_AVAILABLE, WIFI_STATE_ENABLED); |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| |
| // Enable link layer stats gathering |
| mWifiNative.setWifiLinkLayerStats("wlan0", 1); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case CMD_STOP_SUPPLICANT: /* Supplicant stopped by user */ |
| if (mP2pSupported) { |
| transitionTo(mWaitForP2pDisableState); |
| } else { |
| transitionTo(mSupplicantStoppingState); |
| } |
| break; |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: /* Supplicant connection lost */ |
| loge("Connection lost, restart supplicant"); |
| handleSupplicantConnectionLoss(true); |
| handleNetworkDisconnect(); |
| mSupplicantStateTracker.sendMessage(CMD_RESET_SUPPLICANT_STATE); |
| if (mP2pSupported) { |
| transitionTo(mWaitForP2pDisableState); |
| } else { |
| transitionTo(mInitialState); |
| } |
| sendMessageDelayed(CMD_START_SUPPLICANT, SUPPLICANT_RESTART_INTERVAL_MSECS); |
| break; |
| case CMD_START_SCAN: |
| handleScanRequest(message); |
| break; |
| case WifiMonitor.SCAN_RESULTS_EVENT: |
| case WifiMonitor.SCAN_FAILED_EVENT: |
| maybeRegisterNetworkFactory(); // Make sure our NetworkFactory is registered |
| setScanResults(); |
| if (mIsFullScanOngoing || mSendScanResultsBroadcast) { |
| /* Just updated results from full scan, let apps know about this */ |
| boolean scanSucceeded = message.what == WifiMonitor.SCAN_RESULTS_EVENT; |
| sendScanResultsAvailableBroadcast(scanSucceeded); |
| } |
| mSendScanResultsBroadcast = false; |
| mIsScanOngoing = false; |
| mIsFullScanOngoing = false; |
| if (mBufferedScanMsg.size() > 0) |
| sendMessage(mBufferedScanMsg.remove()); |
| break; |
| case CMD_PING_SUPPLICANT: |
| boolean ok = mWifiNative.ping(); |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case CMD_SET_FREQUENCY_BAND: |
| int band = message.arg1; |
| if (mVerboseLoggingEnabled) log("set frequency band " + band); |
| if (mWifiNative.setBand(band)) { |
| |
| if (mVerboseLoggingEnabled) logd("did set frequency band " + band); |
| |
| mFrequencyBand.set(band); |
| // Flush old data - like scan results |
| mWifiNative.bssFlush(); |
| |
| if (mVerboseLoggingEnabled) logd("done set frequency band " + band); |
| |
| } else { |
| loge("Failed to set frequency band " + band); |
| } |
| break; |
| case CMD_GET_CAPABILITY_FREQ: |
| String freqs = mWifiNative.getFreqCapability(); |
| replyToMessage(message, message.what, freqs); |
| break; |
| case CMD_START_AP: |
| /* Cannot start soft AP while in client mode */ |
| loge("Failed to start soft AP with a running supplicant"); |
| setWifiApState(WIFI_AP_STATE_FAILED, WifiManager.SAP_START_FAILURE_GENERAL); |
| break; |
| case CMD_SET_OPERATIONAL_MODE: |
| mOperationalMode = message.arg1; |
| mWifiConfigManager. |
| setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| if (mOperationalMode == DISABLED_MODE) { |
| transitionTo(mSupplicantStoppingState); |
| } |
| break; |
| case CMD_TARGET_BSSID: |
| // Trying to associate to this BSSID |
| if (message.obj != null) { |
| mTargetRoamBSSID = (String) message.obj; |
| } |
| break; |
| case CMD_GET_LINK_LAYER_STATS: |
| WifiLinkLayerStats stats = getWifiLinkLayerStats(); |
| replyToMessage(message, message.what, stats); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| log("resetting EAP-SIM/AKA/AKA' networks since SIM was changed"); |
| mWifiConfigManager.resetSimNetworks(); |
| break; |
| case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE: |
| mBluetoothConnectionActive = (message.arg1 != |
| BluetoothAdapter.STATE_DISCONNECTED); |
| mWifiNative.setBluetoothCoexistenceScanMode(mBluetoothConnectionActive); |
| break; |
| case CMD_SET_SUSPEND_OPT_ENABLED: |
| if (message.arg1 == 1) { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_SCREEN, true); |
| if (message.arg2 == 1) { |
| mSuspendWakeLock.release(); |
| } |
| } else { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_SCREEN, false); |
| } |
| break; |
| case CMD_SET_HIGH_PERF_MODE: |
| if (message.arg1 == 1) { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_HIGH_PERF, false); |
| } else { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_HIGH_PERF, true); |
| } |
| break; |
| case CMD_ENABLE_TDLS: |
| if (message.obj != null) { |
| String remoteAddress = (String) message.obj; |
| boolean enable = (message.arg1 == 1); |
| mWifiNative.startTdls(remoteAddress, enable); |
| } |
| break; |
| case WifiMonitor.ANQP_DONE_EVENT: |
| mWifiConfigManager.notifyANQPDone((Long) message.obj, message.arg1 != 0); |
| break; |
| case CMD_STOP_IP_PACKET_OFFLOAD: { |
| int slot = message.arg1; |
| int ret = stopWifiIPPacketOffload(slot); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.onPacketKeepaliveEvent(slot, ret); |
| } |
| break; |
| } |
| case WifiMonitor.RX_HS20_ANQP_ICON_EVENT: |
| mWifiConfigManager.notifyIconReceived((IconEvent) message.obj); |
| break; |
| case WifiMonitor.HS20_REMEDIATION_EVENT: |
| wnmFrameReceived((WnmData) message.obj); |
| break; |
| case CMD_CONFIG_ND_OFFLOAD: |
| final boolean enabled = (message.arg1 > 0); |
| mWifiNative.configureNeighborDiscoveryOffload(enabled); |
| break; |
| case CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER: |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.enable(message.arg1 == 1 ? true : false); |
| } |
| break; |
| case CMD_ENABLE_AUTOJOIN_WHEN_ASSOCIATED: |
| final boolean allowed = (message.arg1 > 0); |
| boolean old_state = mWifiConfigManager.getEnableAutoJoinWhenAssociated(); |
| mWifiConfigManager.setEnableAutoJoinWhenAssociated(allowed); |
| if (!old_state && allowed && mScreenOn |
| && getCurrentState() == mConnectedState) { |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.forceConnectivityScan(); |
| } |
| } |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| |
| @Override |
| public void exit() { |
| mWifiDiagnostics.stopLogging(); |
| |
| mIsRunning = false; |
| updateBatteryWorkSource(null); |
| mScanResults = new ArrayList<>(); |
| |
| final Intent intent = new Intent(WifiManager.WIFI_SCAN_AVAILABLE); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_SCAN_AVAILABLE, WIFI_STATE_DISABLED); |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| mBufferedScanMsg.clear(); |
| |
| if (mNanSupported && mWifiNanManager != null) { |
| mWifiNanManager.disableUsage(); |
| } |
| |
| mNetworkInfo.setIsAvailable(false); |
| if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| mCountryCode.setReadyForChange(false); |
| } |
| } |
| |
| class SupplicantStoppingState extends State { |
| @Override |
| public void enter() { |
| /* Send any reset commands to supplicant before shutting it down */ |
| handleNetworkDisconnect(); |
| |
| String suppState = System.getProperty("init.svc.wpa_supplicant"); |
| if (suppState == null) suppState = "unknown"; |
| |
| logd("SupplicantStoppingState: stopSupplicant " |
| + " init.svc.wpa_supplicant=" + suppState); |
| mWifiMonitor.stopSupplicant(); |
| |
| /* Send ourselves a delayed message to indicate failure after a wait time */ |
| sendMessageDelayed(obtainMessage(CMD_STOP_SUPPLICANT_FAILED, |
| ++mSupplicantStopFailureToken, 0), SUPPLICANT_RESTART_INTERVAL_MSECS); |
| setWifiState(WIFI_STATE_DISABLING); |
| mSupplicantStateTracker.sendMessage(CMD_RESET_SUPPLICANT_STATE); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case WifiMonitor.SUP_CONNECTION_EVENT: |
| loge("Supplicant connection received while stopping"); |
| break; |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: |
| if (mVerboseLoggingEnabled) log("Supplicant connection lost"); |
| handleSupplicantConnectionLoss(false); |
| transitionTo(mInitialState); |
| break; |
| case CMD_STOP_SUPPLICANT_FAILED: |
| if (message.arg1 == mSupplicantStopFailureToken) { |
| loge("Timed out on a supplicant stop, kill and proceed"); |
| handleSupplicantConnectionLoss(true); |
| transitionTo(mInitialState); |
| } |
| break; |
| case CMD_START_SUPPLICANT: |
| case CMD_STOP_SUPPLICANT: |
| case CMD_START_AP: |
| case CMD_STOP_AP: |
| case CMD_SET_OPERATIONAL_MODE: |
| case CMD_SET_FREQUENCY_BAND: |
| deferMessage(message); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class WaitForP2pDisableState extends State { |
| private State mTransitionToState; |
| @Override |
| public void enter() { |
| switch (getCurrentMessage().what) { |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: |
| mTransitionToState = mInitialState; |
| break; |
| case CMD_STOP_SUPPLICANT: |
| default: |
| mTransitionToState = mSupplicantStoppingState; |
| break; |
| } |
| p2pSendMessage(WifiStateMachine.CMD_DISABLE_P2P_REQ); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case WifiStateMachine.CMD_DISABLE_P2P_RSP: |
| transitionTo(mTransitionToState); |
| break; |
| /* Defer wifi start/shut and driver commands */ |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| case CMD_START_SUPPLICANT: |
| case CMD_STOP_SUPPLICANT: |
| case CMD_START_AP: |
| case CMD_STOP_AP: |
| case CMD_SET_OPERATIONAL_MODE: |
| case CMD_SET_FREQUENCY_BAND: |
| case CMD_START_SCAN: |
| case CMD_DISCONNECT: |
| case CMD_REASSOCIATE: |
| case CMD_RECONNECT: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class ScanModeState extends State { |
| private int mLastOperationMode; |
| @Override |
| public void enter() { |
| mLastOperationMode = mOperationalMode; |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case CMD_SET_OPERATIONAL_MODE: |
| if (message.arg1 == CONNECT_MODE) { |
| |
| if (mLastOperationMode == SCAN_ONLY_WITH_WIFI_OFF_MODE) { |
| setWifiState(WIFI_STATE_ENABLED); |
| // Load and re-enable networks when going back to enabled state |
| // This is essential for networks to show up after restore |
| mWifiConfigManager.loadAndEnableAllNetworks(); |
| p2pSendMessage(CMD_ENABLE_P2P); |
| } else { |
| mWifiConfigManager.enableAllNetworks(); |
| } |
| |
| // Lose last selection choice since user toggled WiFi |
| mWifiConfigManager. |
| setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| |
| mOperationalMode = CONNECT_MODE; |
| transitionTo(mDisconnectedState); |
| } else if (message.arg1 == DISABLED_MODE) { |
| transitionTo(mSupplicantStoppingState); |
| } |
| // Nothing to do |
| break; |
| // Handle scan. All the connection related commands are |
| // handled only in ConnectModeState |
| case CMD_START_SCAN: |
| handleScanRequest(message); |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| SupplicantState state = handleSupplicantStateChange(message); |
| if (mVerboseLoggingEnabled) log("SupplicantState= " + state); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| |
| String smToString(Message message) { |
| return smToString(message.what); |
| } |
| |
| String smToString(int what) { |
| String s = sSmToString.get(what); |
| if (s != null) { |
| return s; |
| } |
| switch (what) { |
| case WifiMonitor.DRIVER_HUNG_EVENT: |
| s = "DRIVER_HUNG_EVENT"; |
| break; |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
| s = "AsyncChannel.CMD_CHANNEL_HALF_CONNECTED"; |
| break; |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
| s = "AsyncChannel.CMD_CHANNEL_DISCONNECTED"; |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| s = "WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST"; |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| s = "WifiManager.DISABLE_NETWORK"; |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| s = "CONNECT_NETWORK"; |
| break; |
| case WifiManager.SAVE_NETWORK: |
| s = "SAVE_NETWORK"; |
| break; |
| case WifiManager.FORGET_NETWORK: |
| s = "FORGET_NETWORK"; |
| break; |
| case WifiMonitor.SUP_CONNECTION_EVENT: |
| s = "SUP_CONNECTION_EVENT"; |
| break; |
| case WifiMonitor.SUP_DISCONNECTION_EVENT: |
| s = "SUP_DISCONNECTION_EVENT"; |
| break; |
| case WifiMonitor.SCAN_RESULTS_EVENT: |
| s = "SCAN_RESULTS_EVENT"; |
| break; |
| case WifiMonitor.SCAN_FAILED_EVENT: |
| s = "SCAN_FAILED_EVENT"; |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| s = "SUPPLICANT_STATE_CHANGE_EVENT"; |
| break; |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| s = "AUTHENTICATION_FAILURE_EVENT"; |
| break; |
| case WifiMonitor.SSID_TEMP_DISABLED: |
| s = "SSID_TEMP_DISABLED"; |
| break; |
| case WifiMonitor.SSID_REENABLED: |
| s = "SSID_REENABLED"; |
| break; |
| case WifiMonitor.WPS_SUCCESS_EVENT: |
| s = "WPS_SUCCESS_EVENT"; |
| break; |
| case WifiMonitor.WPS_FAIL_EVENT: |
| s = "WPS_FAIL_EVENT"; |
| break; |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| s = "SUP_REQUEST_IDENTITY"; |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| s = "NETWORK_CONNECTION_EVENT"; |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| s = "NETWORK_DISCONNECTION_EVENT"; |
| break; |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| s = "ASSOCIATION_REJECTION_EVENT"; |
| break; |
| case WifiMonitor.ANQP_DONE_EVENT: |
| s = "WifiMonitor.ANQP_DONE_EVENT"; |
| break; |
| case WifiMonitor.RX_HS20_ANQP_ICON_EVENT: |
| s = "WifiMonitor.RX_HS20_ANQP_ICON_EVENT"; |
| break; |
| case WifiMonitor.GAS_QUERY_DONE_EVENT: |
| s = "WifiMonitor.GAS_QUERY_DONE_EVENT"; |
| break; |
| case WifiMonitor.HS20_REMEDIATION_EVENT: |
| s = "WifiMonitor.HS20_REMEDIATION_EVENT"; |
| break; |
| case WifiMonitor.GAS_QUERY_START_EVENT: |
| s = "WifiMonitor.GAS_QUERY_START_EVENT"; |
| break; |
| case WifiP2pServiceImpl.GROUP_CREATING_TIMED_OUT: |
| s = "GROUP_CREATING_TIMED_OUT"; |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| s = "P2P_CONNECTION_CHANGED"; |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE: |
| s = "P2P.DISCONNECT_WIFI_RESPONSE"; |
| break; |
| case WifiP2pServiceImpl.SET_MIRACAST_MODE: |
| s = "P2P.SET_MIRACAST_MODE"; |
| break; |
| case WifiP2pServiceImpl.BLOCK_DISCOVERY: |
| s = "P2P.BLOCK_DISCOVERY"; |
| break; |
| case WifiManager.CANCEL_WPS: |
| s = "CANCEL_WPS"; |
| break; |
| case WifiManager.CANCEL_WPS_FAILED: |
| s = "CANCEL_WPS_FAILED"; |
| break; |
| case WifiManager.CANCEL_WPS_SUCCEDED: |
| s = "CANCEL_WPS_SUCCEDED"; |
| break; |
| case WifiManager.START_WPS: |
| s = "START_WPS"; |
| break; |
| case WifiManager.START_WPS_SUCCEEDED: |
| s = "START_WPS_SUCCEEDED"; |
| break; |
| case WifiManager.WPS_FAILED: |
| s = "WPS_FAILED"; |
| break; |
| case WifiManager.WPS_COMPLETED: |
| s = "WPS_COMPLETED"; |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| s = "RSSI_PKTCNT_FETCH"; |
| break; |
| default: |
| s = "what:" + Integer.toString(what); |
| break; |
| } |
| return s; |
| } |
| |
| void registerConnected() { |
| if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| WifiConfiguration config = mWifiConfigManager.getWifiConfiguration(mLastNetworkId); |
| if (config != null) { |
| //Here we will clear all disable counters once a network is connected |
| //records how long this network is connected in future |
| config.lastConnected = mClock.getWallClockMillis(); |
| config.numAssociation++; |
| WifiConfiguration.NetworkSelectionStatus networkSelectionStatus = |
| config.getNetworkSelectionStatus(); |
| networkSelectionStatus.clearDisableReasonCounter(); |
| networkSelectionStatus.setHasEverConnected(true); |
| } |
| // On connect, reset wifiScoreReport |
| mWifiScoreReport.reset(); |
| } |
| } |
| |
| void registerDisconnected() { |
| if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| // We are switching away from this configuration, |
| // hence record the time we were connected last |
| WifiConfiguration config = mWifiConfigManager.getWifiConfiguration(mLastNetworkId); |
| if (config != null) { |
| config.lastDisconnected = mClock.getWallClockMillis(); |
| if (config.ephemeral) { |
| // Remove ephemeral WifiConfigurations from file |
| mWifiConfigManager.forgetNetwork(mLastNetworkId); |
| } |
| } |
| } |
| } |
| |
| void noteWifiDisabledWhileAssociated() { |
| // We got disabled by user while we were associated, make note of it |
| int rssi = mWifiInfo.getRssi(); |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (getCurrentState() == mConnectedState |
| && rssi != WifiInfo.INVALID_RSSI |
| && config != null) { |
| boolean is24GHz = mWifiInfo.is24GHz(); |
| boolean isBadRSSI = (is24GHz && rssi < mWifiConfigManager.mThresholdMinimumRssi24.get()) |
| || (!is24GHz && rssi < mWifiConfigManager.mThresholdMinimumRssi5.get()); |
| boolean isLowRSSI = |
| (is24GHz && rssi < mWifiConfigManager.mThresholdQualifiedRssi24.get()) |
| || (!is24GHz && mWifiInfo.getRssi() < |
| mWifiConfigManager.mThresholdQualifiedRssi5.get()); |
| boolean isHighRSSI = (is24GHz && rssi |
| >= mWifiConfigManager.mThresholdSaturatedRssi24.get()) |
| || (!is24GHz && mWifiInfo.getRssi() |
| >= mWifiConfigManager.mThresholdSaturatedRssi5.get()); |
| if (isBadRSSI) { |
| // Take note that we got disabled while RSSI was Bad |
| config.numUserTriggeredWifiDisableLowRSSI++; |
| } else if (isLowRSSI) { |
| // Take note that we got disabled while RSSI was Low |
| config.numUserTriggeredWifiDisableBadRSSI++; |
| } else if (!isHighRSSI) { |
| // Take note that we got disabled while RSSI was Not high |
| config.numUserTriggeredWifiDisableNotHighRSSI++; |
| } |
| } |
| } |
| |
| /** |
| * Returns Wificonfiguration object correponding to the currently connected network, null if |
| * not connected. |
| */ |
| public WifiConfiguration getCurrentWifiConfiguration() { |
| if (mLastNetworkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| return null; |
| } |
| return mWifiConfigManager.getWifiConfiguration(mLastNetworkId); |
| } |
| |
| ScanResult getCurrentScanResult() { |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config == null) { |
| return null; |
| } |
| String BSSID = mWifiInfo.getBSSID(); |
| if (BSSID == null) { |
| BSSID = mTargetRoamBSSID; |
| } |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCache(config); |
| |
| if (scanDetailCache == null) { |
| return null; |
| } |
| |
| return scanDetailCache.get(BSSID); |
| } |
| |
| String getCurrentBSSID() { |
| if (isLinkDebouncing()) { |
| return null; |
| } |
| return mLastBssid; |
| } |
| |
| class ConnectModeState extends State { |
| |
| @Override |
| public void enter() { |
| // Inform WifiConnectivityManager that Wifi is enabled |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.setWifiEnabled(true); |
| } |
| // Inform metrics that Wifi is Enabled (but not yet connected) |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISCONNECTED); |
| } |
| |
| @Override |
| public void exit() { |
| // Inform WifiConnectivityManager that Wifi is disabled |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.setWifiEnabled(false); |
| } |
| // Inform metrics that Wifi is being disabled (Toggled, airplane enabled, etc) |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISABLED); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| WifiConfiguration config; |
| int netId; |
| boolean ok; |
| boolean didDisconnect; |
| String bssid; |
| String ssid; |
| NetworkUpdateResult result; |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_ASSOC_FAILURE); |
| didBlackListBSSID = false; |
| bssid = (String) message.obj; |
| if (bssid == null || TextUtils.isEmpty(bssid)) { |
| // If BSSID is null, use the target roam BSSID |
| bssid = mTargetRoamBSSID; |
| } |
| if (bssid != null) { |
| // If we have a BSSID, tell configStore to black list it |
| if (mWifiConnectivityManager != null) { |
| didBlackListBSSID = mWifiConnectivityManager.trackBssid(bssid, |
| false); |
| } |
| } |
| |
| mWifiConfigManager.updateNetworkSelectionStatus(mTargetNetworkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_ASSOCIATION_REJECTION); |
| |
| mSupplicantStateTracker.sendMessage(WifiMonitor.ASSOCIATION_REJECTION_EVENT); |
| //If rejection occurred while Metrics is tracking a ConnnectionEvent, end it. |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_REJECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), bssid, |
| WifiLastResortWatchdog.FAILURE_CODE_ASSOCIATION); |
| break; |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_AUTH_FAILURE); |
| mSupplicantStateTracker.sendMessage(WifiMonitor.AUTHENTICATION_FAILURE_EVENT); |
| if (mTargetNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| mWifiConfigManager.updateNetworkSelectionStatus(mTargetNetworkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_FAILURE); |
| } |
| //If failure occurred while Metrics is tracking a ConnnectionEvent, end it. |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_AUTHENTICATION_FAILURE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION); |
| break; |
| case WifiMonitor.SSID_TEMP_DISABLED: |
| Log.e(TAG, "Supplicant SSID temporary disabled:" |
| + mWifiConfigManager.getWifiConfiguration(message.arg1)); |
| mWifiConfigManager.updateNetworkSelectionStatus( |
| message.arg1, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_FAILURE); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_SSID_TEMP_DISABLED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION); |
| break; |
| case WifiMonitor.SSID_REENABLED: |
| Log.d(TAG, "Supplicant SSID reenable:" |
| + mWifiConfigManager.getWifiConfiguration(message.arg1)); |
| // Do not re-enable it in Quality Network Selection since framework has its own |
| // Algorithm of disable/enable |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| SupplicantState state = handleSupplicantStateChange(message); |
| // A driver/firmware hang can now put the interface in a down state. |
| // We detect the interface going down and recover from it |
| if (!SupplicantState.isDriverActive(state)) { |
| if (mNetworkInfo.getState() != NetworkInfo.State.DISCONNECTED) { |
| handleNetworkDisconnect(); |
| } |
| log("Detected an interface down, restart driver"); |
| // Rely on the fact that this will force us into killing supplicant and then |
| // restart supplicant from a clean state. |
| transitionTo(mSupplicantStoppingState); |
| sendMessage(CMD_START_SUPPLICANT); |
| break; |
| } |
| |
| // Supplicant can fail to report a NETWORK_DISCONNECTION_EVENT |
| // when authentication times out after a successful connection, |
| // we can figure this from the supplicant state. If supplicant |
| // state is DISCONNECTED, but the mNetworkInfo says we are not |
| // disconnected, we need to handle a disconnection |
| if (!isLinkDebouncing() && state == SupplicantState.DISCONNECTED && |
| mNetworkInfo.getState() != NetworkInfo.State.DISCONNECTED) { |
| if (mVerboseLoggingEnabled) { |
| log("Missed CTRL-EVENT-DISCONNECTED, disconnect"); |
| } |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| |
| // If we have COMPLETED a connection to a BSSID, start doing |
| // DNAv4/DNAv6 -style probing for on-link neighbors of |
| // interest (e.g. routers); harmless if none are configured. |
| if (state == SupplicantState.COMPLETED) { |
| mIpManager.confirmConfiguration(); |
| } |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| if (message.arg1 == 1) { |
| mWifiNative.disconnect(); |
| mTemporarilyDisconnectWifi = true; |
| } else { |
| mWifiNative.reconnect(); |
| mTemporarilyDisconnectWifi = false; |
| } |
| break; |
| case CMD_ADD_OR_UPDATE_NETWORK: |
| // Only the current foreground user can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid))) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| |
| config = (WifiConfiguration) message.obj; |
| |
| if (!recordUidIfAuthorized(config, message.sendingUid, |
| /* onlyAnnotate */ false)) { |
| logw("Not authorized to update network " |
| + " config=" + config.SSID |
| + " cnid=" + config.networkId |
| + " uid=" + message.sendingUid); |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| |
| int res = mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid); |
| if (res < 0) { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } else { |
| WifiConfiguration curConfig = getCurrentWifiConfiguration(); |
| if (curConfig != null && config != null) { |
| WifiConfiguration.NetworkSelectionStatus networkStatus = |
| config.getNetworkSelectionStatus(); |
| if (curConfig.priority < config.priority && networkStatus != null |
| && !networkStatus.isNetworkPermanentlyDisabled()) { |
| // Interpret this as a connect attempt |
| // Set the last selected configuration so as to allow the system to |
| // stick the last user choice without persisting the choice |
| mWifiConfigManager.setAndEnableLastSelectedConfiguration(res); |
| mWifiConfigManager.updateLastConnectUid(config, message.sendingUid); |
| boolean persist = mWifiConfigManager |
| .checkConfigOverridePermission(message.sendingUid); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.connectToUserSelectNetwork(res, |
| persist); |
| } |
| |
| // Remember time of last connection attempt |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mWifiConnectionStatistics.numWifiManagerJoinAttempt++; |
| |
| // As a courtesy to the caller, trigger a scan now |
| startScan(ADD_OR_UPDATE_SOURCE, 0, null, WIFI_WORK_SOURCE); |
| } |
| } |
| } |
| replyToMessage(message, CMD_ADD_OR_UPDATE_NETWORK, res); |
| break; |
| case CMD_REMOVE_NETWORK: |
| // Only the current foreground user can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid))) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| netId = message.arg1; |
| |
| if (!mWifiConfigManager.canModifyNetwork(message.sendingUid, netId, |
| /* onlyAnnotate */ false)) { |
| logw("Not authorized to remove network " |
| + " cnid=" + netId |
| + " uid=" + message.sendingUid); |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| |
| ok = mWifiConfigManager.removeNetwork(message.arg1); |
| if (!ok) { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case CMD_ENABLE_NETWORK: |
| // Only the current foreground user can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid))) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| |
| boolean disableOthers = message.arg2 == 1; |
| netId = message.arg1; |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| if (config == null) { |
| loge("No network with id = " + netId); |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, message.what, FAILURE); |
| break; |
| } |
| // disable other only means select this network, does not mean all other |
| // networks need to be disabled |
| if (disableOthers) { |
| // Remember time of last connection attempt |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mWifiConnectionStatistics.numWifiManagerJoinAttempt++; |
| } |
| // Cancel auto roam requests |
| autoRoamSetBSSID(netId, "any"); |
| |
| ok = mWifiConfigManager.enableNetwork( |
| config, disableOthers, message.sendingUid); |
| if (!ok) { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } else if (disableOthers) { |
| mTargetNetworkId = netId; |
| } |
| |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case CMD_ENABLE_ALL_NETWORKS: |
| long time = android.os.SystemClock.elapsedRealtime(); |
| if (time - mLastEnableAllNetworksTime > MIN_INTERVAL_ENABLE_ALL_NETWORKS_MS) { |
| mWifiConfigManager.enableAllNetworks(); |
| mLastEnableAllNetworksTime = time; |
| } |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| if (mWifiConfigManager.updateNetworkSelectionStatus(message.arg1, |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WIFI_MANAGER)) { |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_SUCCEEDED); |
| } else { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_FAILED, |
| WifiManager.ERROR); |
| } |
| break; |
| case CMD_DISABLE_EPHEMERAL_NETWORK: |
| config = mWifiConfigManager.disableEphemeralNetwork((String)message.obj); |
| if (config != null) { |
| if (config.networkId == mLastNetworkId) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| } |
| break; |
| case CMD_BLACKLIST_NETWORK: |
| mWifiConfigManager.blackListBssid((String) message.obj); |
| break; |
| case CMD_CLEAR_BLACKLIST: |
| mWifiConfigManager.clearBssidBlacklist(); |
| break; |
| case CMD_SAVE_CONFIG: |
| ok = mWifiConfigManager.saveConfig(); |
| |
| if (mVerboseLoggingEnabled) logd("did save config " + ok); |
| replyToMessage(message, CMD_SAVE_CONFIG, ok ? SUCCESS : FAILURE); |
| |
| // Inform the backup manager about a data change |
| mBackupManagerProxy.notifyDataChanged(); |
| break; |
| case CMD_GET_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, |
| mWifiConfigManager.getSavedNetworks()); |
| break; |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| int networkId = message.arg2; |
| boolean identitySent = false; |
| int eapMethod = WifiEnterpriseConfig.Eap.NONE; |
| |
| if (targetWificonfiguration != null |
| && targetWificonfiguration.enterpriseConfig != null) { |
| eapMethod = targetWificonfiguration.enterpriseConfig.getEapMethod(); |
| } |
| |
| // For SIM & AKA/AKA' EAP method Only, get identity from ICC |
| if (targetWificonfiguration != null |
| && targetWificonfiguration.networkId == networkId |
| && (targetWificonfiguration.allowedKeyManagement |
| .get(WifiConfiguration.KeyMgmt.WPA_EAP) |
| || targetWificonfiguration.allowedKeyManagement |
| .get(WifiConfiguration.KeyMgmt.IEEE8021X)) |
| && TelephonyUtil.isSimEapMethod(eapMethod)) { |
| String identity = |
| TelephonyUtil.getSimIdentity(getTelephonyManager(), eapMethod); |
| if (identity != null) { |
| mWifiNative.simIdentityResponse(networkId, identity); |
| identitySent = true; |
| } |
| } |
| if (!identitySent) { |
| // Supplicant lacks credentials to connect to that network, hence black list |
| ssid = (String) message.obj; |
| if (targetWificonfiguration != null && ssid != null |
| && targetWificonfiguration.SSID != null |
| && targetWificonfiguration.SSID.equals("\"" + ssid + "\"")) { |
| mWifiConfigManager.updateNetworkSelectionStatus(targetWificonfiguration, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_NO_CREDENTIALS); |
| } |
| // Disconnect now, as we don't have any way to fullfill |
| // the supplicant request. |
| mWifiConfigManager.setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| mWifiNative.disconnect(); |
| } |
| break; |
| case WifiMonitor.SUP_REQUEST_SIM_AUTH: |
| logd("Received SUP_REQUEST_SIM_AUTH"); |
| SimAuthRequestData requestData = (SimAuthRequestData) message.obj; |
| if (requestData != null) { |
| if (requestData.protocol == WifiEnterpriseConfig.Eap.SIM) { |
| handleGsmAuthRequest(requestData); |
| } else if (requestData.protocol == WifiEnterpriseConfig.Eap.AKA |
| || requestData.protocol == WifiEnterpriseConfig.Eap.AKA_PRIME) { |
| handle3GAuthRequest(requestData); |
| } |
| } else { |
| loge("Invalid sim auth request"); |
| } |
| break; |
| case CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, |
| mWifiConfigManager.getPrivilegedSavedNetworks()); |
| break; |
| case CMD_GET_MATCHING_CONFIG: |
| replyToMessage(message, message.what, |
| mWifiConfigManager.getMatchingConfig((ScanResult)message.obj)); |
| break; |
| case CMD_RECONNECT: |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.forceConnectivityScan(); |
| } |
| break; |
| case CMD_REASSOCIATE: |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mWifiNative.reassociate(); |
| break; |
| case CMD_RELOAD_TLS_AND_RECONNECT: |
| if (mWifiConfigManager.needsUnlockedKeyStore()) { |
| logd("Reconnecting to give a chance to un-connected TLS networks"); |
| mWifiNative.disconnect(); |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mWifiNative.reconnect(); |
| } |
| break; |
| case CMD_AUTO_ROAM: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| return HANDLED; |
| case CMD_AUTO_CONNECT: |
| /* Work Around: wpa_supplicant can get in a bad state where it returns a non |
| * associated status to the STATUS command but somehow-someplace still thinks |
| * it is associated and thus will ignore select/reconnect command with |
| * following message: |
| * "Already associated with the selected network - do nothing" |
| * |
| * Hence, sends a disconnect to supplicant first. |
| */ |
| didDisconnect = false; |
| if (getCurrentState() != mDisconnectedState) { |
| /** Supplicant will ignore the reconnect if we are currently associated, |
| * hence trigger a disconnect |
| */ |
| didDisconnect = true; |
| mWifiNative.disconnect(); |
| } |
| |
| /* connect command coming from auto-join */ |
| netId = message.arg1; |
| mTargetNetworkId = netId; |
| mTargetRoamBSSID = (String) message.obj; |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| logd("CMD_AUTO_CONNECT sup state " |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName() |
| + " nid=" + Integer.toString(netId) |
| + " roam=" + Boolean.toString(mAutoRoaming)); |
| if (config == null) { |
| loge("AUTO_CONNECT and no config, bail out..."); |
| break; |
| } |
| |
| /* Make sure we cancel any previous roam request */ |
| setTargetBssid(config, mTargetRoamBSSID); |
| |
| /* Save the network config */ |
| logd("CMD_AUTO_CONNECT will save config -> " + config.SSID |
| + " nid=" + Integer.toString(netId)); |
| result = mWifiConfigManager.saveNetwork(config, WifiConfiguration.UNKNOWN_UID); |
| netId = result.getNetworkId(); |
| logd("CMD_AUTO_CONNECT did save config -> " |
| + " nid=" + Integer.toString(netId)); |
| |
| // Since we updated the config,read it back from config store: |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| if (config == null) { |
| loge("CMD_AUTO_CONNECT couldn't update the config, got null config"); |
| break; |
| } |
| if (netId != config.networkId) { |
| loge("CMD_AUTO_CONNECT couldn't update the config, want" |
| + " nid=" + Integer.toString(netId) + " but got" + config.networkId); |
| break; |
| } |
| |
| if (deferForUserInput(message, netId, false)) { |
| break; |
| } else if (mWifiConfigManager.getWifiConfiguration(netId).userApproved == |
| WifiConfiguration.USER_BANNED) { |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| // If we're autojoining a network that the user or an app explicitly selected, |
| // keep track of the UID that selected it. |
| // TODO(b/26786318): Keep track of the lastSelectedConfiguration and the |
| // lastConnectUid on a per-user basis. |
| int lastConnectUid = WifiConfiguration.UNKNOWN_UID; |
| |
| //Start a new ConnectionEvent due to auto_connect, assume we are connecting |
| //between different networks due to QNS, setting ROAM_UNRELATED |
| mWifiMetrics.startConnectionEvent(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_UNRELATED); |
| if (!didDisconnect) { |
| //If we were originally disconnected, then this was not any kind of ROAM |
| mWifiMetrics.setConnectionEventRoamType( |
| WifiMetricsProto.ConnectionEvent.ROAM_NONE); |
| } |
| //Determine if this CONNECTION is for a user selection |
| if (mWifiConfigManager.isLastSelectedConfiguration(config) |
| && mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(config.lastConnectUid))) { |
| lastConnectUid = config.lastConnectUid; |
| mWifiMetrics.setConnectionEventRoamType( |
| WifiMetricsProto.ConnectionEvent.ROAM_USER_SELECTED); |
| } |
| if (mWifiConfigManager.selectNetwork(config, /* updatePriorities = */ false, |
| lastConnectUid) && mWifiNative.reconnect()) { |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| targetWificonfiguration = mWifiConfigManager.getWifiConfiguration(netId); |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| if (config != null |
| && !mWifiConfigManager.isLastSelectedConfiguration(config)) { |
| // If we autojoined a different config than the user selected one, |
| // it means we could not see the last user selection, |
| // or that the last user selection was faulty and ended up blacklisted |
| // for some reason (in which case the user is notified with an error |
| // message in the Wifi picker), and thus we managed to auto-join away |
| // from the selected config. -> in that case we need to forget |
| // the selection because we don't want to abruptly switch back to it. |
| // |
| // Note that the user selection is also forgotten after a period of time |
| // during which the device has been disconnected. |
| // The default value is 30 minutes : see the code path at bottom of |
| // setScanResults() function. |
| mWifiConfigManager. |
| setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| } |
| mAutoRoaming = false; |
| if (isRoaming() || isLinkDebouncing()) { |
| transitionTo(mRoamingState); |
| } else if (didDisconnect) { |
| transitionTo(mDisconnectingState); |
| } |
| } else { |
| loge("Failed to connect config: " + config + " netId: " + netId); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| break; |
| } |
| break; |
| case CMD_REMOVE_APP_CONFIGURATIONS: |
| mWifiConfigManager.removeNetworksForApp((ApplicationInfo) message.obj); |
| break; |
| case CMD_REMOVE_USER_CONFIGURATIONS: |
| mWifiConfigManager.removeNetworksForUser(message.arg1); |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| // Only the current foreground user and System UI (which runs as user 0 but acts |
| // on behalf of the current foreground user) can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid)) && |
| message.sendingUid != mSystemUiUid) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| /** |
| * The connect message can contain a network id passed as arg1 on message or |
| * or a config passed as obj on message. |
| * For a new network, a config is passed to create and connect. |
| * For an existing network, a network id is passed |
| */ |
| netId = message.arg1; |
| config = (WifiConfiguration) message.obj; |
| mWifiConnectionStatistics.numWifiManagerJoinAttempt++; |
| boolean updatedExisting = false; |
| |
| /* Save the network config */ |
| if (config != null) { |
| // When connecting to an access point, WifiStateMachine wants to update the |
| // relevant config with administrative data. This update should not be |
| // considered a 'real' update, therefore lockdown by Device Owner must be |
| // disregarded. |
| if (!recordUidIfAuthorized(config, message.sendingUid, |
| /* onlyAnnotate */ true)) { |
| logw("Not authorized to update network " |
| + " config=" + config.SSID |
| + " cnid=" + config.networkId |
| + " uid=" + message.sendingUid); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| String configKey = config.configKey(true /* allowCached */); |
| WifiConfiguration savedConfig = |
| mWifiConfigManager.getWifiConfiguration(configKey); |
| if (savedConfig != null) { |
| // There is an existing config with this netId, but it wasn't exposed |
| // (either AUTO_JOIN_DELETED or ephemeral; see WifiConfigManager# |
| // getConfiguredNetworks). Remove those bits and update the config. |
| config = savedConfig; |
| logd("CONNECT_NETWORK updating existing config with id=" + |
| config.networkId + " configKey=" + configKey); |
| config.ephemeral = false; |
| mWifiConfigManager.updateNetworkSelectionStatus(config, |
| WifiConfiguration.NetworkSelectionStatus |
| .NETWORK_SELECTION_ENABLE); |
| updatedExisting = true; |
| } |
| |
| result = mWifiConfigManager.saveNetwork(config, message.sendingUid); |
| netId = result.getNetworkId(); |
| } |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| if (config == null) { |
| logd("CONNECT_NETWORK no config for id=" + Integer.toString(netId) + " " |
| + mSupplicantStateTracker.getSupplicantStateName() + " my state " |
| + getCurrentState().getName()); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| break; |
| } |
| mTargetNetworkId = netId; |
| autoRoamSetBSSID(netId, "any"); |
| if (message.sendingUid == Process.WIFI_UID |
| || message.sendingUid == Process.SYSTEM_UID) { |
| // As a sanity measure, clear the BSSID in the supplicant network block. |
| // If system or Wifi Settings want to connect, they will not |
| // specify the BSSID. |
| // If an app however had added a BSSID to this configuration, and the BSSID |
| // was wrong, Then we would forever fail to connect until that BSSID |
| // is cleaned up. |
| clearConfigBSSID(config, "CONNECT_NETWORK"); |
| } |
| |
| if (deferForUserInput(message, netId, true)) { |
| break; |
| } else if (mWifiConfigManager.getWifiConfiguration(netId).userApproved == |
| WifiConfiguration.USER_BANNED) { |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| mAutoRoaming = false; |
| |
| /* Tell network selection the user did try to connect to that network if from |
| settings */ |
| boolean persist = |
| mWifiConfigManager.checkConfigOverridePermission(message.sendingUid); |
| |
| |
| mWifiConfigManager.setAndEnableLastSelectedConfiguration(netId); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.connectToUserSelectNetwork(netId, persist); |
| } |
| didDisconnect = false; |
| if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID |
| && mLastNetworkId != netId) { |
| /** Supplicant will ignore the reconnect if we are currently associated, |
| * hence trigger a disconnect |
| */ |
| didDisconnect = true; |
| mWifiNative.disconnect(); |
| } |
| |
| //Start a new ConnectionEvent due to connect_network, this is always user |
| //selected |
| mWifiMetrics.startConnectionEvent(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_USER_SELECTED); |
| if (mWifiConfigManager.selectNetwork(config, /* updatePriorities = */ true, |
| message.sendingUid) && mWifiNative.reconnect()) { |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| targetWificonfiguration = mWifiConfigManager.getWifiConfiguration(netId); |
| |
| /* The state tracker handles enabling networks upon completion/failure */ |
| mSupplicantStateTracker.sendMessage(WifiManager.CONNECT_NETWORK); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED); |
| if (didDisconnect) { |
| /* Expect a disconnection from the old connection */ |
| transitionTo(mDisconnectingState); |
| } else if (updatedExisting && getCurrentState() == mConnectedState && |
| getCurrentWifiConfiguration().networkId == netId) { |
| // Update the current set of network capabilities, but stay in the |
| // current state. |
| updateCapabilities(config); |
| } else { |
| /** |
| * Directly go to disconnected state where we |
| * process the connection events from supplicant |
| */ |
| transitionTo(mDisconnectedState); |
| } |
| } else { |
| loge("Failed to connect config: " + config + " netId: " + netId); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| break; |
| } |
| break; |
| case WifiManager.SAVE_NETWORK: |
| mWifiConnectionStatistics.numWifiManagerJoinAttempt++; |
| // Fall thru |
| case WifiStateMachine.CMD_AUTO_SAVE_NETWORK: |
| // Only the current foreground user can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid))) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| lastSavedConfigurationAttempt = null; // Used for debug |
| config = (WifiConfiguration) message.obj; |
| if (config == null) { |
| loge("ERROR: SAVE_NETWORK with null configuration" |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName()); |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.ERROR); |
| break; |
| } |
| lastSavedConfigurationAttempt = new WifiConfiguration(config); |
| int nid = config.networkId; |
| logd("SAVE_NETWORK id=" + Integer.toString(nid) |
| + " config=" + config.SSID |
| + " nid=" + config.networkId |
| + " supstate=" + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName()); |
| |
| // Only record the uid if this is user initiated |
| boolean checkUid = (message.what == WifiManager.SAVE_NETWORK); |
| if (checkUid && !recordUidIfAuthorized(config, message.sendingUid, |
| /* onlyAnnotate */ false)) { |
| logw("Not authorized to update network " |
| + " config=" + config.SSID |
| + " cnid=" + config.networkId |
| + " uid=" + message.sendingUid); |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| result = mWifiConfigManager.saveNetwork(config, WifiConfiguration.UNKNOWN_UID); |
| if (result.getNetworkId() != WifiConfiguration.INVALID_NETWORK_ID) { |
| if (mWifiInfo.getNetworkId() == result.getNetworkId()) { |
| if (result.hasIpChanged()) { |
| // The currently connection configuration was changed |
| // We switched from DHCP to static or from static to DHCP, or the |
| // static IP address has changed. |
| log("Reconfiguring IP on connection"); |
| // TODO: clear addresses and disable IPv6 |
| // to simplify obtainingIpState. |
| transitionTo(mObtainingIpState); |
| } |
| if (result.hasProxyChanged()) { |
| log("Reconfiguring proxy on connection"); |
| mIpManager.setHttpProxy( |
| mWifiConfigManager.getProxyProperties(mLastNetworkId)); |
| } |
| } |
| replyToMessage(message, WifiManager.SAVE_NETWORK_SUCCEEDED); |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config); |
| |
| if (mVerboseLoggingEnabled) { |
| logd("Success save network nid=" |
| + Integer.toString(result.getNetworkId())); |
| } |
| |
| /** |
| * If the command comes from WifiManager, then |
| * tell autojoin the user did try to modify and save that network, |
| * and interpret the SAVE_NETWORK as a request to connect |
| */ |
| boolean user = message.what == WifiManager.SAVE_NETWORK; |
| |
| // Did this connect come from settings |
| boolean persistConnect = |
| mWifiConfigManager.checkConfigOverridePermission( |
| message.sendingUid); |
| |
| if (user) { |
| mWifiConfigManager.updateLastConnectUid(config, message.sendingUid); |
| mWifiConfigManager.writeKnownNetworkHistory(); |
| } |
| |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.connectToUserSelectNetwork( |
| result.getNetworkId(), persistConnect); |
| } |
| } else { |
| loge("Failed to save network"); |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.ERROR); |
| } |
| break; |
| case WifiManager.FORGET_NETWORK: |
| // Only the current foreground user can modify networks. |
| if (!mWifiConfigManager.isCurrentUserProfile( |
| UserHandle.getUserId(message.sendingUid))) { |
| loge("Only the current foreground user can modify networks " |
| + " currentUserId=" + mWifiConfigManager.getCurrentUserId() |
| + " sendingUserId=" + UserHandle.getUserId(message.sendingUid)); |
| replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| // Debug only, remember last configuration that was forgotten |
| WifiConfiguration toRemove |
| = mWifiConfigManager.getWifiConfiguration(message.arg1); |
| if (toRemove == null) { |
| lastForgetConfigurationAttempt = null; |
| } else { |
| lastForgetConfigurationAttempt = new WifiConfiguration(toRemove); |
| } |
| // check that the caller owns this network |
| netId = message.arg1; |
| |
| if (!mWifiConfigManager.canModifyNetwork(message.sendingUid, netId, |
| /* onlyAnnotate */ false)) { |
| logw("Not authorized to forget network " |
| + " cnid=" + netId |
| + " uid=" + message.sendingUid); |
| replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| |
| if (mWifiConfigManager.forgetNetwork(message.arg1)) { |
| replyToMessage(message, WifiManager.FORGET_NETWORK_SUCCEEDED); |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_FORGOT, |
| (WifiConfiguration) message.obj); |
| } else { |
| loge("Failed to forget network"); |
| replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, |
| WifiManager.ERROR); |
| } |
| break; |
| case WifiManager.START_WPS: |
| WpsInfo wpsInfo = (WpsInfo) message.obj; |
| WpsResult wpsResult; |
| switch (wpsInfo.setup) { |
| case WpsInfo.PBC: |
| wpsResult = mWifiConfigManager.startWpsPbc(wpsInfo); |
| break; |
| case WpsInfo.KEYPAD: |
| wpsResult = mWifiConfigManager.startWpsWithPinFromAccessPoint(wpsInfo); |
| break; |
| case WpsInfo.DISPLAY: |
| wpsResult = mWifiConfigManager.startWpsWithPinFromDevice(wpsInfo); |
| break; |
| default: |
| wpsResult = new WpsResult(Status.FAILURE); |
| loge("Invalid setup for WPS"); |
| break; |
| } |
| mWifiConfigManager.setAndEnableLastSelectedConfiguration |
| (WifiConfiguration.INVALID_NETWORK_ID); |
| if (wpsResult.status == Status.SUCCESS) { |
| replyToMessage(message, WifiManager.START_WPS_SUCCEEDED, wpsResult); |
| transitionTo(mWpsRunningState); |
| } else { |
| loge("Failed to start WPS with config " + wpsInfo.toString()); |
| replyToMessage(message, WifiManager.WPS_FAILED, WifiManager.ERROR); |
| } |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| // This is where we can confirm the connection BSSID. Use it to find the |
| // right ScanDetail to populate metrics. |
| String someBssid = (String) message.obj; |
| if (someBssid != null) { |
| //Get the config associated with this connection attempt |
| WifiConfiguration someConf = |
| mWifiConfigManager.getWifiConfiguration(mTargetNetworkId); |
| // Get the ScanDetail associated with this BSSID |
| ScanDetailCache scanDetailCache = mWifiConfigManager.getScanDetailCache( |
| someConf); |
| if (scanDetailCache != null) { |
| mWifiMetrics.setConnectionScanDetail(scanDetailCache.getScanDetail( |
| someBssid)); |
| } |
| } |
| return NOT_HANDLED; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| if (mVerboseLoggingEnabled) log("Network connection established"); |
| mLastNetworkId = message.arg1; |
| mLastBssid = (String) message.obj; |
| |
| mWifiInfo.setBSSID(mLastBssid); |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.trackBssid(mLastBssid, true); |
| } |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| transitionTo(mObtainingIpState); |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| // Calling handleNetworkDisconnect here is redundant because we might already |
| // have called it when leaving L2ConnectedState to go to disconnecting state |
| // or thru other path |
| // We should normally check the mWifiInfo or mLastNetworkId so as to check |
| // if they are valid, and only in this case call handleNEtworkDisconnect, |
| // TODO: this should be fixed for a L MR release |
| // The side effect of calling handleNetworkDisconnect twice is that a bunch of |
| // idempotent commands are executed twice (stopping Dhcp, enabling the SPS mode |
| // at the chip etc... |
| if (mVerboseLoggingEnabled) log("ConnectModeState: Network connection lost "); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| break; |
| case CMD_ADD_PASSPOINT_MO: |
| res = mWifiConfigManager.addPasspointManagementObject((String) message.obj); |
| replyToMessage(message, message.what, res); |
| break; |
| case CMD_MODIFY_PASSPOINT_MO: |
| if (message.obj != null) { |
| Bundle bundle = (Bundle) message.obj; |
| ArrayList<PasspointManagementObjectDefinition> mos = |
| bundle.getParcelableArrayList("MOS"); |
| res = mWifiConfigManager.modifyPasspointMo(bundle.getString("FQDN"), mos); |
| } else { |
| res = 0; |
| } |
| replyToMessage(message, message.what, res); |
| |
| break; |
| case CMD_QUERY_OSU_ICON: |
| if (mWifiConfigManager.queryPasspointIcon( |
| ((Bundle) message.obj).getLong("BSSID"), |
| ((Bundle) message.obj).getString("FILENAME"))) { |
| res = 1; |
| } else { |
| res = 0; |
| } |
| replyToMessage(message, message.what, res); |
| break; |
| case CMD_MATCH_PROVIDER_NETWORK: |
| res = mWifiConfigManager.matchProviderWithCurrentNetwork((String) message.obj); |
| replyToMessage(message, message.what, res); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| private void updateCapabilities(WifiConfiguration config) { |
| NetworkCapabilities networkCapabilities = new NetworkCapabilities(mDfltNetworkCapabilities); |
| if (config != null) { |
| if (config.ephemeral) { |
| networkCapabilities.removeCapability( |
| NetworkCapabilities.NET_CAPABILITY_TRUSTED); |
| } else { |
| networkCapabilities.addCapability( |
| NetworkCapabilities.NET_CAPABILITY_TRUSTED); |
| } |
| |
| networkCapabilities.setSignalStrength( |
| (mWifiInfo.getRssi() != WifiInfo.INVALID_RSSI) |
| ? mWifiInfo.getRssi() |
| : NetworkCapabilities.SIGNAL_STRENGTH_UNSPECIFIED); |
| } |
| |
| if (mWifiInfo.getMeteredHint()) { |
| networkCapabilities.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED); |
| } |
| |
| mNetworkAgent.sendNetworkCapabilities(networkCapabilities); |
| } |
| |
| private class WifiNetworkAgent extends NetworkAgent { |
| public WifiNetworkAgent(Looper l, Context c, String TAG, NetworkInfo ni, |
| NetworkCapabilities nc, LinkProperties lp, int score, NetworkMisc misc) { |
| super(l, c, TAG, ni, nc, lp, score, misc); |
| } |
| |
| @Override |
| protected void unwanted() { |
| // Ignore if we're not the current networkAgent. |
| if (this != mNetworkAgent) return; |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi unwanted score " + Integer.toString(mWifiInfo.score)); |
| } |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_DISCONNECT); |
| } |
| |
| @Override |
| protected void networkStatus(int status, String redirectUrl) { |
| if (this != mNetworkAgent) return; |
| if (status == NetworkAgent.INVALID_NETWORK) { |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi networkStatus invalid, score=" |
| + Integer.toString(mWifiInfo.score)); |
| } |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_VALIDATION_FAILED); |
| } else if (status == NetworkAgent.VALID_NETWORK) { |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi networkStatus valid, score= " |
| + Integer.toString(mWifiInfo.score)); |
| } |
| doNetworkStatus(status); |
| } |
| } |
| |
| @Override |
| protected void saveAcceptUnvalidated(boolean accept) { |
| if (this != mNetworkAgent) return; |
| WifiStateMachine.this.sendMessage(CMD_ACCEPT_UNVALIDATED, accept ? 1 : 0); |
| } |
| |
| @Override |
| protected void startPacketKeepalive(Message msg) { |
| WifiStateMachine.this.sendMessage( |
| CMD_START_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void stopPacketKeepalive(Message msg) { |
| WifiStateMachine.this.sendMessage( |
| CMD_STOP_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void setSignalStrengthThresholds(int[] thresholds) { |
| // 0. If there are no thresholds, or if the thresholds are invalid, stop RSSI monitoring. |
| // 1. Tell the hardware to start RSSI monitoring here, possibly adding MIN_VALUE and |
| // MAX_VALUE at the start/end of the thresholds array if necessary. |
| // 2. Ensure that when the hardware event fires, we fetch the RSSI from the hardware |
| // event, call mWifiInfo.setRssi() with it, and call updateCapabilities(), and then |
| // re-arm the hardware event. This needs to be done on the state machine thread to |
| // avoid race conditions. The RSSI used to re-arm the event (and perhaps also the one |
| // sent in the NetworkCapabilities) must be the one received from the hardware event |
| // received, or we might skip callbacks. |
| // 3. Ensure that when we disconnect, RSSI monitoring is stopped. |
| log("Received signal strength thresholds: " + Arrays.toString(thresholds)); |
| if (thresholds.length == 0) { |
| WifiStateMachine.this.sendMessage(CMD_STOP_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| return; |
| } |
| int [] rssiVals = Arrays.copyOf(thresholds, thresholds.length + 2); |
| rssiVals[rssiVals.length - 2] = Byte.MIN_VALUE; |
| rssiVals[rssiVals.length - 1] = Byte.MAX_VALUE; |
| Arrays.sort(rssiVals); |
| byte[] rssiRange = new byte[rssiVals.length]; |
| for (int i = 0; i < rssiVals.length; i++) { |
| int val = rssiVals[i]; |
| if (val <= Byte.MAX_VALUE && val >= Byte.MIN_VALUE) { |
| rssiRange[i] = (byte) val; |
| } else { |
| Log.e(TAG, "Illegal value " + val + " for RSSI thresholds: " |
| + Arrays.toString(rssiVals)); |
| WifiStateMachine.this.sendMessage(CMD_STOP_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| return; |
| } |
| } |
| // TODO: Do we quash rssi values in this sorted array which are very close? |
| mRssiRanges = rssiRange; |
| WifiStateMachine.this.sendMessage(CMD_START_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| } |
| |
| @Override |
| protected void preventAutomaticReconnect() { |
| if (this != mNetworkAgent) return; |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN); |
| } |
| } |
| |
| void unwantedNetwork(int reason) { |
| sendMessage(CMD_UNWANTED_NETWORK, reason); |
| } |
| |
| void doNetworkStatus(int status) { |
| sendMessage(CMD_NETWORK_STATUS, status); |
| } |
| |
| // rfc4186 & rfc4187: |
| // create Permanent Identity base on IMSI, |
| // identity = usernam@realm |
| // with username = prefix | IMSI |
| // and realm is derived MMC/MNC tuple according 3GGP spec(TS23.003) |
| private String buildIdentity(int eapMethod, String imsi, String mccMnc) { |
| String mcc; |
| String mnc; |
| String prefix; |
| |
| if (imsi == null || imsi.isEmpty()) |
| return ""; |
| |
| if (eapMethod == WifiEnterpriseConfig.Eap.SIM) |
| prefix = "1"; |
| else if (eapMethod == WifiEnterpriseConfig.Eap.AKA) |
| prefix = "0"; |
| else if (eapMethod == WifiEnterpriseConfig.Eap.AKA_PRIME) |
| prefix = "6"; |
| else // not a valide EapMethod |
| return ""; |
| |
| /* extract mcc & mnc from mccMnc */ |
| if (mccMnc != null && !mccMnc.isEmpty()) { |
| mcc = mccMnc.substring(0, 3); |
| mnc = mccMnc.substring(3); |
| if (mnc.length() == 2) |
| mnc = "0" + mnc; |
| } else { |
| // extract mcc & mnc from IMSI, assume mnc size is 3 |
| mcc = imsi.substring(0, 3); |
| mnc = imsi.substring(3, 6); |
| } |
| |
| return prefix + imsi + "@wlan.mnc" + mnc + ".mcc" + mcc + ".3gppnetwork.org"; |
| } |
| |
| boolean startScanForConfiguration(WifiConfiguration config) { |
| if (config == null) |
| return false; |
| |
| // We are still seeing a fairly high power consumption triggered by autojoin scans |
| // Hence do partial scans only for PSK configuration that are roamable since the |
| // primary purpose of the partial scans is roaming. |
| // Full badn scans with exponential backoff for the purpose or extended roaming and |
| // network switching are performed unconditionally. |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCache(config); |
| if (scanDetailCache == null |
| || !config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK) |
| || scanDetailCache.size() > 6) { |
| //return true but to not trigger the scan |
| return true; |
| } |
| HashSet<Integer> freqs = mWifiConfigManager.makeChannelList(config, ONE_HOUR_MILLI); |
| if (freqs != null && freqs.size() != 0) { |
| //if (mVerboseLoggingEnabled) { |
| logd("starting scan for " + config.configKey() + " with " + freqs); |
| //} |
| Set<Integer> hiddenNetworkIds = new HashSet<>(); |
| if (config.hiddenSSID) { |
| hiddenNetworkIds.add(config.networkId); |
| } |
| // Call wifi native to start the scan |
| if (startScanNative(freqs, hiddenNetworkIds, WIFI_WORK_SOURCE)) { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_OK; |
| } else { |
| // used for debug only, mark scan as failed |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_HANDLING_ERROR; |
| } |
| return true; |
| } else { |
| if (mVerboseLoggingEnabled) logd("no channels for " + config.configKey()); |
| return false; |
| } |
| } |
| |
| void clearCurrentConfigBSSID(String dbg) { |
| // Clear the bssid in the current config's network block |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config == null) |
| return; |
| clearConfigBSSID(config, dbg); |
| } |
| void clearConfigBSSID(WifiConfiguration config, String dbg) { |
| if (config == null) |
| return; |
| if (mVerboseLoggingEnabled) { |
| logd(dbg + " " + mTargetRoamBSSID + " config " + config.configKey() |
| + " config.NetworkSelectionStatus.mNetworkSelectionBSSID " |
| + config.getNetworkSelectionStatus().getNetworkSelectionBSSID()); |
| } |
| if (mVerboseLoggingEnabled) { |
| logd(dbg + " " + config.SSID |
| + " nid=" + Integer.toString(config.networkId)); |
| } |
| mWifiConfigManager.saveWifiConfigBSSID(config, "any"); |
| } |
| |
| class L2ConnectedState extends State { |
| @Override |
| public void enter() { |
| mRssiPollToken++; |
| if (mEnableRssiPolling) { |
| sendMessage(CMD_RSSI_POLL, mRssiPollToken, 0); |
| } |
| if (mNetworkAgent != null) { |
| loge("Have NetworkAgent when entering L2Connected"); |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| } |
| setNetworkDetailedState(DetailedState.CONNECTING); |
| |
| mNetworkAgent = new WifiNetworkAgent(getHandler().getLooper(), mContext, |
| "WifiNetworkAgent", mNetworkInfo, mNetworkCapabilitiesFilter, |
| mLinkProperties, 60, mNetworkMisc); |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified in the network block would |
| // cause the roam to faile and the device to disconnect |
| clearCurrentConfigBSSID("L2ConnectedState"); |
| mCountryCode.setReadyForChange(false); |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_ASSOCIATED); |
| } |
| |
| @Override |
| public void exit() { |
| mIpManager.stop(); |
| |
| // This is handled by receiving a NETWORK_DISCONNECTION_EVENT in ConnectModeState |
| // Bug: 15347363 |
| // For paranoia's sake, call handleNetworkDisconnect |
| // only if BSSID is null or last networkId |
| // is not invalid. |
| if (mVerboseLoggingEnabled) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("leaving L2ConnectedState state nid=" + Integer.toString(mLastNetworkId)); |
| if (mLastBssid !=null) { |
| sb.append(" ").append(mLastBssid); |
| } |
| } |
| if (mLastBssid != null || mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| handleNetworkDisconnect(); |
| } |
| mCountryCode.setReadyForChange(true); |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISCONNECTED); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case DhcpClient.CMD_PRE_DHCP_ACTION: |
| handlePreDhcpSetup(); |
| break; |
| case DhcpClient.CMD_PRE_DHCP_ACTION_COMPLETE: |
| mIpManager.completedPreDhcpAction(); |
| break; |
| case DhcpClient.CMD_POST_DHCP_ACTION: |
| handlePostDhcpSetup(); |
| // We advance to mConnectedState because IpManager will also send a |
| // CMD_IPV4_PROVISIONING_SUCCESS message, which calls handleIPv4Success(), |
| // which calls updateLinkProperties, which then sends |
| // CMD_IP_CONFIGURATION_SUCCESSFUL. |
| // |
| // In the event of failure, we transition to mDisconnectingState |
| // similarly--via messages sent back from IpManager. |
| break; |
| case CMD_IPV4_PROVISIONING_SUCCESS: { |
| handleIPv4Success((DhcpResults) message.obj); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| break; |
| } |
| case CMD_IPV4_PROVISIONING_FAILURE: { |
| handleIPv4Failure(); |
| break; |
| } |
| case CMD_IP_CONFIGURATION_SUCCESSFUL: |
| handleSuccessfulIpConfiguration(); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NONE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| sendConnectedState(); |
| transitionTo(mConnectedState); |
| break; |
| case CMD_IP_CONFIGURATION_LOST: |
| // Get Link layer stats so that we get fresh tx packet counters. |
| getWifiLinkLayerStats(); |
| handleIpConfigurationLost(); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_DHCP, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| transitionTo(mDisconnectingState); |
| break; |
| case CMD_IP_REACHABILITY_LOST: |
| if (mVerboseLoggingEnabled && message.obj != null) log((String) message.obj); |
| handleIpReachabilityLost(); |
| transitionTo(mDisconnectingState); |
| break; |
| case CMD_DISCONNECT: |
| mWifiNative.disconnect(); |
| transitionTo(mDisconnectingState); |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| if (message.arg1 == 1) { |
| mWifiNative.disconnect(); |
| mTemporarilyDisconnectWifi = true; |
| transitionTo(mDisconnectingState); |
| } |
| break; |
| case CMD_SET_OPERATIONAL_MODE: |
| if (message.arg1 != CONNECT_MODE) { |
| sendMessage(CMD_DISCONNECT); |
| deferMessage(message); |
| if (message.arg1 == SCAN_ONLY_WITH_WIFI_OFF_MODE || |
| message.arg1 == DISABLED_MODE) { |
| noteWifiDisabledWhileAssociated(); |
| } |
| } |
| mWifiConfigManager. |
| setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| break; |
| /* Ignore connection to same network */ |
| case WifiManager.CONNECT_NETWORK: |
| int netId = message.arg1; |
| if (mWifiInfo.getNetworkId() == netId) { |
| break; |
| } |
| return NOT_HANDLED; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| mWifiInfo.setBSSID((String) message.obj); |
| mLastNetworkId = message.arg1; |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| if(!mLastBssid.equals(message.obj)) { |
| mLastBssid = (String) message.obj; |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| break; |
| case CMD_RSSI_POLL: |
| if (message.arg1 == mRssiPollToken) { |
| if (mWifiConfigManager.mEnableChipWakeUpWhenAssociated.get()) { |
| if (mVerboseLoggingEnabled) { |
| log(" get link layer stats " + mWifiLinkLayerStatsSupported); |
| } |
| WifiLinkLayerStats stats = getWifiLinkLayerStats(); |
| if (stats != null) { |
| // Sanity check the results provided by driver |
| if (mWifiInfo.getRssi() != WifiInfo.INVALID_RSSI |
| && (stats.rssi_mgmt == 0 |
| || stats.beacon_rx == 0)) { |
| stats = null; |
| } |
| } |
| // Get Info and continue polling |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| // Send the update score to network agent. |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCache(config); |
| mWifiScoreReport.calculateAndReportScore( |
| mWifiInfo, mNetworkAgent, mAggressiveHandover); |
| } |
| sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, |
| mRssiPollToken, 0), POLL_RSSI_INTERVAL_MSECS); |
| if (mVerboseLoggingEnabled) sendRssiChangeBroadcast(mWifiInfo.getRssi()); |
| } else { |
| // Polling has completed |
| } |
| break; |
| case CMD_ENABLE_RSSI_POLL: |
| cleanWifiScore(); |
| if (mWifiConfigManager.mEnableRssiPollWhenAssociated.get()) { |
| mEnableRssiPolling = (message.arg1 == 1); |
| } else { |
| mEnableRssiPolling = false; |
| } |
| mRssiPollToken++; |
| if (mEnableRssiPolling) { |
| // First poll |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, |
| mRssiPollToken, 0), POLL_RSSI_INTERVAL_MSECS); |
| } |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| RssiPacketCountInfo info = new RssiPacketCountInfo(); |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| info.rssi = mWifiInfo.getRssi(); |
| fetchPktcntNative(info); |
| replyToMessage(message, WifiManager.RSSI_PKTCNT_FETCH_SUCCEEDED, info); |
| break; |
| case CMD_DELAYED_NETWORK_DISCONNECT: |
| if (!isLinkDebouncing()) { |
| |
| // Ignore if we are not debouncing |
| logd("CMD_DELAYED_NETWORK_DISCONNECT and not debouncing - ignore " |
| + message.arg1); |
| return HANDLED; |
| } else { |
| logd("CMD_DELAYED_NETWORK_DISCONNECT and debouncing - disconnect " |
| + message.arg1); |
| |
| mIsLinkDebouncing = false; |
| // If we are still debouncing while this message comes, |
| // it means we were not able to reconnect within the alloted time |
| // = LINK_FLAPPING_DEBOUNCE_MSEC |
| // and thus, trigger a real disconnect |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| if ((String) message.obj == null) { |
| logw("Associated command w/o BSSID"); |
| break; |
| } |
| mLastBssid = (String) message.obj; |
| if (mLastBssid != null && (mWifiInfo.getBSSID() == null |
| || !mLastBssid.equals(mWifiInfo.getBSSID()))) { |
| mWifiInfo.setBSSID((String) message.obj); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| case CMD_RSSI_THRESHOLD_BREACH: |
| byte currRssi = (byte) message.arg1; |
| processRssiThreshold(currRssi, message.what); |
| break; |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| stopRssiMonitoringOffload(); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| if (message.arg1 == 0 // sim was removed |
| && mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| WifiConfiguration config = |
| mWifiConfigManager.getWifiConfiguration(mLastNetworkId); |
| if (TelephonyUtil.isSimConfig(config)) { |
| mWifiNative.disconnect(); |
| transitionTo(mDisconnectingState); |
| } |
| } |
| /* allow parent state to reset data for other networks */ |
| return NOT_HANDLED; |
| default: |
| return NOT_HANDLED; |
| } |
| |
| return HANDLED; |
| } |
| } |
| |
| class ObtainingIpState extends State { |
| @Override |
| public void enter() { |
| if (mVerboseLoggingEnabled) { |
| String key = ""; |
| if (getCurrentWifiConfiguration() != null) { |
| key = getCurrentWifiConfiguration().configKey(); |
| } |
| log("enter ObtainingIpState netId=" + Integer.toString(mLastNetworkId) |
| + " " + key + " " |
| + " roam=" + mAutoRoaming |
| + " static=" + mWifiConfigManager.isUsingStaticIp(mLastNetworkId)); |
| } |
| |
| // Reset link Debouncing, indicating we have successfully re-connected to the AP |
| // We might still be roaming |
| mIsLinkDebouncing = false; |
| |
| // Send event to CM & network change broadcast |
| setNetworkDetailedState(DetailedState.OBTAINING_IPADDR); |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified in the network block would |
| // cause the roam to fail and the device to disconnect. |
| clearCurrentConfigBSSID("ObtainingIpAddress"); |
| |
| // Stop IpManager in case we're switching from DHCP to static |
| // configuration or vice versa. |
| // |
| // TODO: Only ever enter this state the first time we connect to a |
| // network, never on switching between static configuration and |
| // DHCP. When we transition from static configuration to DHCP in |
| // particular, we must tell ConnectivityService that we're |
| // disconnected, because DHCP might take a long time during which |
| // connectivity APIs such as getActiveNetworkInfo should not return |
| // CONNECTED. |
| stopIpManager(); |
| |
| mIpManager.setHttpProxy(mWifiConfigManager.getProxyProperties(mLastNetworkId)); |
| if (!TextUtils.isEmpty(mTcpBufferSizes)) { |
| mIpManager.setTcpBufferSizes(mTcpBufferSizes); |
| } |
| |
| if (!mWifiConfigManager.isUsingStaticIp(mLastNetworkId)) { |
| final IpManager.ProvisioningConfiguration prov = |
| IpManager.buildProvisioningConfiguration() |
| .withPreDhcpAction() |
| .withApfCapabilities(mWifiNative.getApfCapabilities()) |
| .build(); |
| mIpManager.startProvisioning(prov); |
| // Get Link layer stats so as we get fresh tx packet counters |
| getWifiLinkLayerStats(); |
| } else { |
| StaticIpConfiguration config = mWifiConfigManager.getStaticIpConfiguration( |
| mLastNetworkId); |
| if (config.ipAddress == null) { |
| logd("Static IP lacks address"); |
| sendMessage(CMD_IPV4_PROVISIONING_FAILURE); |
| } else { |
| final IpManager.ProvisioningConfiguration prov = |
| IpManager.buildProvisioningConfiguration() |
| .withStaticConfiguration(config) |
| .withApfCapabilities(mWifiNative.getApfCapabilities()) |
| .build(); |
| mIpManager.startProvisioning(prov); |
| } |
| } |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case CMD_AUTO_CONNECT: |
| case CMD_AUTO_ROAM: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case WifiManager.SAVE_NETWORK: |
| case WifiStateMachine.CMD_AUTO_SAVE_NETWORK: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| /* Defer any power mode changes since we must keep active power mode at DHCP */ |
| |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| return NOT_HANDLED; |
| case CMD_SET_HIGH_PERF_MODE: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| /* Defer scan request since we should not switch to other channels at DHCP */ |
| case CMD_START_SCAN: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| private void sendConnectedState() { |
| // If this network was explicitly selected by the user, evaluate whether to call |
| // explicitlySelected() so the system can treat it appropriately. |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (mWifiConfigManager.isLastSelectedConfiguration(config)) { |
| boolean prompt = |
| mWifiConfigManager.checkConfigOverridePermission(config.lastConnectUid); |
| if (mVerboseLoggingEnabled) { |
| log("Network selected by UID " + config.lastConnectUid + " prompt=" + prompt); |
| } |
| if (prompt) { |
| // Selected by the user via Settings or QuickSettings. If this network has Internet |
| // access, switch to it. Otherwise, switch to it only if the user confirms that they |
| // really want to switch, or has already confirmed and selected "Don't ask again". |
| if (mVerboseLoggingEnabled) { |
| log("explictlySelected acceptUnvalidated=" + config.noInternetAccessExpected); |
| } |
| mNetworkAgent.explicitlySelected(config.noInternetAccessExpected); |
| } |
| } |
| |
| setNetworkDetailedState(DetailedState.CONNECTED); |
| mWifiConfigManager.updateStatus(mLastNetworkId, DetailedState.CONNECTED); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| |
| class RoamingState extends State { |
| boolean mAssociated; |
| @Override |
| public void enter() { |
| if (mVerboseLoggingEnabled) { |
| log("RoamingState Enter" |
| + " mScreenOn=" + mScreenOn ); |
| } |
| |
| // Make sure we disconnect if roaming fails |
| roamWatchdogCount++; |
| logd("Start Roam Watchdog " + roamWatchdogCount); |
| sendMessageDelayed(obtainMessage(CMD_ROAM_WATCHDOG_TIMER, |
| roamWatchdogCount, 0), ROAM_GUARD_TIMER_MSEC); |
| mAssociated = false; |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| WifiConfiguration config; |
| switch (message.what) { |
| case CMD_IP_CONFIGURATION_LOST: |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_AUTOROAM_FAILURE); |
| mWifiConfigManager.noteRoamingFailure(config, |
| WifiConfiguration.ROAMING_FAILURE_IP_CONFIG); |
| } |
| return NOT_HANDLED; |
| case CMD_UNWANTED_NETWORK: |
| if (mVerboseLoggingEnabled) { |
| log("Roaming and CS doesnt want the network -> ignore"); |
| } |
| return HANDLED; |
| case CMD_SET_OPERATIONAL_MODE: |
| if (message.arg1 != CONNECT_MODE) { |
| deferMessage(message); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| /** |
| * If we get a SUPPLICANT_STATE_CHANGE_EVENT indicating a DISCONNECT |
| * before NETWORK_DISCONNECTION_EVENT |
| * And there is an associated BSSID corresponding to our target BSSID, then |
| * we have missed the network disconnection, transition to mDisconnectedState |
| * and handle the rest of the events there. |
| */ |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| if (stateChangeResult.state == SupplicantState.DISCONNECTED |
| || stateChangeResult.state == SupplicantState.INACTIVE |
| || stateChangeResult.state == SupplicantState.INTERFACE_DISABLED) { |
| if (mVerboseLoggingEnabled) { |
| log("STATE_CHANGE_EVENT in roaming state " |
| + stateChangeResult.toString() ); |
| } |
| if (stateChangeResult.BSSID != null |
| && stateChangeResult.BSSID.equals(mTargetRoamBSSID)) { |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| } |
| if (stateChangeResult.state == SupplicantState.ASSOCIATED) { |
| // We completed the layer2 roaming part |
| mAssociated = true; |
| if (stateChangeResult.BSSID != null) { |
| mTargetRoamBSSID = stateChangeResult.BSSID; |
| } |
| } |
| break; |
| case CMD_ROAM_WATCHDOG_TIMER: |
| if (roamWatchdogCount == message.arg1) { |
| if (mVerboseLoggingEnabled) log("roaming watchdog! -> disconnect"); |
| mWifiMetrics.endConnectionEvent( |
| WifiMetrics.ConnectionEvent.FAILURE_ROAM_TIMEOUT, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| mRoamFailCount++; |
| handleNetworkDisconnect(); |
| mWifiNative.disconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| if (mAssociated) { |
| if (mVerboseLoggingEnabled) { |
| log("roaming and Network connection established"); |
| } |
| mLastNetworkId = message.arg1; |
| mLastBssid = (String) message.obj; |
| mWifiInfo.setBSSID(mLastBssid); |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.trackBssid(mLastBssid, true); |
| } |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| |
| // Successful framework roam! (probably) |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NONE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified by QNS would cause |
| // the roam to fail and the device to disconnect. |
| // When transition from RoamingState to DisconnectingState or |
| // DisconnectedState, the config BSSID is cleared by |
| // handleNetworkDisconnect(). |
| clearCurrentConfigBSSID("RoamingCompleted"); |
| |
| // We used to transition to ObtainingIpState in an |
| // attempt to do DHCPv4 RENEWs on framework roams. |
| // DHCP can take too long to time out, and we now rely |
| // upon IpManager's use of IpReachabilityMonitor to |
| // confirm our current network configuration. |
| // |
| // mIpManager.confirmConfiguration() is called within |
| // the handling of SupplicantState.COMPLETED. |
| transitionTo(mConnectedState); |
| } else { |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| } |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| // Throw away but only if it corresponds to the network we're roaming to |
| String bssid = (String) message.obj; |
| if (true) { |
| String target = ""; |
| if (mTargetRoamBSSID != null) target = mTargetRoamBSSID; |
| log("NETWORK_DISCONNECTION_EVENT in roaming state" |
| + " BSSID=" + bssid |
| + " target=" + target); |
| } |
| if (bssid != null && bssid.equals(mTargetRoamBSSID)) { |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case WifiMonitor.SSID_TEMP_DISABLED: |
| // Auth error while roaming |
| logd("SSID_TEMP_DISABLED nid=" + Integer.toString(mLastNetworkId) |
| + " id=" + Integer.toString(message.arg1) |
| + " isRoaming=" + isRoaming() |
| + " roam=" + mAutoRoaming); |
| if (message.arg1 == mLastNetworkId) { |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_AUTOROAM_FAILURE); |
| mWifiConfigManager.noteRoamingFailure(config, |
| WifiConfiguration.ROAMING_FAILURE_AUTH_FAILURE); |
| } |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectingState); |
| } |
| return NOT_HANDLED; |
| case CMD_START_SCAN: |
| deferMessage(message); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| |
| @Override |
| public void exit() { |
| logd("WifiStateMachine: Leaving Roaming state"); |
| } |
| } |
| |
| class ConnectedState extends State { |
| @Override |
| public void enter() { |
| updateDefaultRouteMacAddress(1000); |
| if (mVerboseLoggingEnabled) { |
| log("Enter ConnectedState " |
| + " mScreenOn=" + mScreenOn); |
| } |
| |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_CONNECTED); |
| } |
| registerConnected(); |
| lastConnectAttemptTimestamp = 0; |
| targetWificonfiguration = null; |
| // Paranoia |
| mIsLinkDebouncing = false; |
| |
| // Not roaming anymore |
| mAutoRoaming = false; |
| |
| if (testNetworkDisconnect) { |
| testNetworkDisconnectCounter++; |
| logd("ConnectedState Enter start disconnect test " + |
| testNetworkDisconnectCounter); |
| sendMessageDelayed(obtainMessage(CMD_TEST_NETWORK_DISCONNECT, |
| testNetworkDisconnectCounter, 0), 15000); |
| } |
| |
| // Reenable all networks, allow for hidden networks to be scanned |
| mWifiConfigManager.enableAllNetworks(); |
| |
| mLastDriverRoamAttempt = 0; |
| mTargetNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mWifiInjector.getWifiLastResortWatchdog().connectedStateTransition(true); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| WifiConfiguration config = null; |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case CMD_UNWANTED_NETWORK: |
| if (message.arg1 == NETWORK_STATUS_UNWANTED_DISCONNECT) { |
| mWifiNative.disconnect(); |
| transitionTo(mDisconnectingState); |
| } else if (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN || |
| message.arg1 == NETWORK_STATUS_UNWANTED_VALIDATION_FAILED) { |
| Log.d(TAG, (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN |
| ? "NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN" |
| : "NETWORK_STATUS_UNWANTED_VALIDATION_FAILED")); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| // Disable autojoin |
| if (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN) { |
| config.validatedInternetAccess = false; |
| // Clear last-selected status, as being last-selected also avoids |
| // disabling auto-join. |
| if (mWifiConfigManager.isLastSelectedConfiguration(config)) { |
| mWifiConfigManager.setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| } |
| mWifiConfigManager.updateNetworkSelectionStatus(config, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_NO_INTERNET); |
| } |
| config.numNoInternetAccessReports += 1; |
| mWifiConfigManager.writeKnownNetworkHistory(); |
| } |
| } |
| return HANDLED; |
| case CMD_NETWORK_STATUS: |
| if (message.arg1 == NetworkAgent.VALID_NETWORK) { |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| // re-enable autojoin |
| config.numNoInternetAccessReports = 0; |
| config.validatedInternetAccess = true; |
| mWifiConfigManager.writeKnownNetworkHistory(); |
| } |
| } |
| return HANDLED; |
| case CMD_ACCEPT_UNVALIDATED: |
| boolean accept = (message.arg1 != 0); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| config.noInternetAccessExpected = accept; |
| mWifiConfigManager.writeKnownNetworkHistory(); |
| } |
| return HANDLED; |
| case CMD_TEST_NETWORK_DISCONNECT: |
| // Force a disconnect |
| if (message.arg1 == testNetworkDisconnectCounter) { |
| mWifiNative.disconnect(); |
| } |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| // ASSOCIATING to a new BSSID while already connected, indicates |
| // that driver is roaming |
| mLastDriverRoamAttempt = mClock.getWallClockMillis(); |
| return NOT_HANDLED; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| long lastRoam = 0; |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| if (mLastDriverRoamAttempt != 0) { |
| // Calculate time since last driver roam attempt |
| lastRoam = mClock.getWallClockMillis() - mLastDriverRoamAttempt; |
| mLastDriverRoamAttempt = 0; |
| } |
| if (unexpectedDisconnectedReason(message.arg2)) { |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_UNEXPECTED_DISCONNECT); |
| } |
| config = getCurrentWifiConfiguration(); |
| if (mWifiConfigManager.mEnableLinkDebouncing |
| && mScreenOn |
| && !isLinkDebouncing() |
| && config != null |
| && config.getNetworkSelectionStatus().isNetworkEnabled() |
| && !mWifiConfigManager.isLastSelectedConfiguration(config) |
| && (message.arg2 != 3 /* reason cannot be 3, i.e. locally generated */ |
| || (lastRoam > 0 && lastRoam < 2000) /* unless driver is roaming */) |
| && ((ScanResult.is24GHz(mWifiInfo.getFrequency()) |
| && mWifiInfo.getRssi() > |
| WifiQualifiedNetworkSelector.QUALIFIED_RSSI_24G_BAND) |
| || (ScanResult.is5GHz(mWifiInfo.getFrequency()) |
| && mWifiInfo.getRssi() > |
| mWifiConfigManager.mThresholdQualifiedRssi5.get()))) { |
| // Start de-bouncing the L2 disconnection: |
| // this L2 disconnection might be spurious. |
| // Hence we allow 4 seconds for the state machine to try |
| // to reconnect, go thru the |
| // roaming cycle and enter Obtaining IP address |
| // before signalling the disconnect to ConnectivityService and L3 |
| startScanForConfiguration(getCurrentWifiConfiguration()); |
| mIsLinkDebouncing = true; |
| |
| sendMessageDelayed(obtainMessage(CMD_DELAYED_NETWORK_DISCONNECT, |
| 0, mLastNetworkId), LINK_FLAPPING_DEBOUNCE_MSEC); |
| if (mVerboseLoggingEnabled) { |
| log("NETWORK_DISCONNECTION_EVENT in connected state" |
| + " BSSID=" + mWifiInfo.getBSSID() |
| + " RSSI=" + mWifiInfo.getRssi() |
| + " freq=" + mWifiInfo.getFrequency() |
| + " reason=" + message.arg2 |
| + " -> debounce"); |
| } |
| return HANDLED; |
| } else { |
| if (mVerboseLoggingEnabled) { |
| log("NETWORK_DISCONNECTION_EVENT in connected state" |
| + " BSSID=" + mWifiInfo.getBSSID() |
| + " RSSI=" + mWifiInfo.getRssi() |
| + " freq=" + mWifiInfo.getFrequency() |
| + " was debouncing=" + isLinkDebouncing() |
| + " reason=" + message.arg2 |
| + " Network Selection Status=" + (config == null ? "Unavailable" |
| : config.getNetworkSelectionStatus().getNetworkStatusString())); |
| } |
| } |
| break; |
| case CMD_AUTO_ROAM: |
| // Clear the driver roam indication since we are attempting a framework roam |
| mLastDriverRoamAttempt = 0; |
| |
| /*<TODO> 2016-02-24 |
| Fix CMD_AUTO_ROAM to use the candidate (message.arg1) networkID, rather than |
| the old networkID. |
| The current code only handles roaming between BSSIDs on the same networkID, |
| and will break for roams between different (but linked) networkIDs. This |
| case occurs for DBDC roaming, and the CMD_AUTO_ROAM sent due to it will |
| fail. |
| */ |
| /* Connect command coming from auto-join */ |
| ScanResult candidate = (ScanResult)message.obj; |
| String bssid = "any"; |
| if (candidate != null) { |
| bssid = candidate.BSSID; |
| } |
| int netId = message.arg1; |
| if (netId == WifiConfiguration.INVALID_NETWORK_ID) { |
| loge("AUTO_ROAM and no config, bail out..."); |
| break; |
| } else { |
| config = mWifiConfigManager.getWifiConfiguration(netId); |
| } |
| |
| logd("CMD_AUTO_ROAM sup state " |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName() |
| + " nid=" + Integer.toString(netId) |
| + " config " + config.configKey() |
| + " roam=" + Integer.toString(message.arg2) |
| + " to " + bssid |
| + " targetRoamBSSID " + mTargetRoamBSSID); |
| |
| setTargetBssid(config, bssid); |
| mTargetNetworkId = netId; |
| |
| /* Determine if this is a regular roam (between BSSIDs sharing the same SSID), |
| or a DBDC roam (between 2.4 & 5GHz networks on different SSID's, but with |
| matching 16 byte BSSID prefixes): |
| */ |
| WifiConfiguration currentConfig = getCurrentWifiConfiguration(); |
| if (currentConfig != null && currentConfig.isLinked(config)) { |
| // This is dual band roaming |
| mWifiMetrics.startConnectionEvent(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_DBDC); |
| } else { |
| // This is regular roaming |
| mWifiMetrics.startConnectionEvent(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_ENTERPRISE); |
| } |
| |
| if (deferForUserInput(message, netId, false)) { |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| break; |
| } else if (mWifiConfigManager.getWifiConfiguration(netId).userApproved == |
| WifiConfiguration.USER_BANNED) { |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| break; |
| } |
| |
| boolean ret = false; |
| if (mLastNetworkId != netId) { |
| if (mWifiConfigManager.selectNetwork(config, /* updatePriorities = */ false, |
| WifiConfiguration.UNKNOWN_UID) && mWifiNative.reconnect()) { |
| ret = true; |
| } |
| } else { |
| ret = mWifiNative.reassociate(); |
| } |
| if (ret) { |
| lastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| targetWificonfiguration = mWifiConfigManager.getWifiConfiguration(netId); |
| |
| // replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED); |
| mAutoRoaming = true; |
| transitionTo(mRoamingState); |
| |
| } else { |
| loge("Failed to connect config: " + config + " netId: " + netId); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE); |
| break; |
| } |
| break; |
| case CMD_START_IP_PACKET_OFFLOAD: { |
| int slot = message.arg1; |
| int intervalSeconds = message.arg2; |
| KeepalivePacketData pkt = (KeepalivePacketData) message.obj; |
| byte[] dstMac; |
| try { |
| InetAddress gateway = RouteInfo.selectBestRoute( |
| mLinkProperties.getRoutes(), pkt.dstAddress).getGateway(); |
| String dstMacStr = macAddressFromRoute(gateway.getHostAddress()); |
| dstMac = macAddressFromString(dstMacStr); |
| } catch (NullPointerException|IllegalArgumentException e) { |
| loge("Can't find MAC address for next hop to " + pkt.dstAddress); |
| mNetworkAgent.onPacketKeepaliveEvent(slot, |
| ConnectivityManager.PacketKeepalive.ERROR_INVALID_IP_ADDRESS); |
| break; |
| } |
| pkt.dstMac = dstMac; |
| int result = startWifiIPPacketOffload(slot, pkt, intervalSeconds); |
| mNetworkAgent.onPacketKeepaliveEvent(slot, result); |
| break; |
| } |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| |
| @Override |
| public void exit() { |
| logd("WifiStateMachine: Leaving Connected state"); |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_TRANSITIONING); |
| } |
| |
| mLastDriverRoamAttempt = 0; |
| mWifiInjector.getWifiLastResortWatchdog().connectedStateTransition(false); |
| } |
| } |
| |
| class DisconnectingState extends State { |
| |
| @Override |
| public void enter() { |
| |
| if (mVerboseLoggingEnabled) { |
| logd(" Enter DisconnectingState State screenOn=" + mScreenOn); |
| } |
| |
| // Make sure we disconnect: we enter this state prior to connecting to a new |
| // network, waiting for either a DISCONNECT event or a SUPPLICANT_STATE_CHANGE |
| // event which in this case will be indicating that supplicant started to associate. |
| // In some cases supplicant doesn't ignore the connect requests (it might not |
| // find the target SSID in its cache), |
| // Therefore we end up stuck that state, hence the need for the watchdog. |
| disconnectingWatchdogCount++; |
| logd("Start Disconnecting Watchdog " + disconnectingWatchdogCount); |
| sendMessageDelayed(obtainMessage(CMD_DISCONNECTING_WATCHDOG_TIMER, |
| disconnectingWatchdogCount, 0), DISCONNECTING_GUARD_TIMER_MSEC); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| switch (message.what) { |
| case CMD_SET_OPERATIONAL_MODE: |
| if (message.arg1 != CONNECT_MODE) { |
| deferMessage(message); |
| } |
| break; |
| case CMD_START_SCAN: |
| deferMessage(message); |
| return HANDLED; |
| case CMD_DISCONNECT: |
| if (mVerboseLoggingEnabled) log("Ignore CMD_DISCONNECT when already disconnecting."); |
| break; |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| if (disconnectingWatchdogCount == message.arg1) { |
| if (mVerboseLoggingEnabled) log("disconnecting watchdog! -> disconnect"); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| /** |
| * If we get a SUPPLICANT_STATE_CHANGE_EVENT before NETWORK_DISCONNECTION_EVENT |
| * we have missed the network disconnection, transition to mDisconnectedState |
| * and handle the rest of the events there |
| */ |
| deferMessage(message); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| class DisconnectedState extends State { |
| @Override |
| public void enter() { |
| // We dont scan frequently if this is a temporary disconnect |
| // due to p2p |
| if (mTemporarilyDisconnectWifi) { |
| p2pSendMessage(WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE); |
| return; |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| logd(" Enter DisconnectedState screenOn=" + mScreenOn); |
| } |
| |
| /** clear the roaming state, if we were roaming, we failed */ |
| mAutoRoaming = false; |
| |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_DISCONNECTED); |
| } |
| |
| /** |
| * If we have no networks saved, the supplicant stops doing the periodic scan. |
| * The scans are useful to notify the user of the presence of an open network. |
| * Note that these are not wake up scans. |
| */ |
| if (mNoNetworksPeriodicScan != 0 && !mP2pConnected.get() |
| && mWifiConfigManager.getSavedNetworks().size() == 0) { |
| sendMessageDelayed(obtainMessage(CMD_NO_NETWORKS_PERIODIC_SCAN, |
| ++mPeriodicScanToken, 0), mNoNetworksPeriodicScan); |
| } |
| |
| mDisconnectedTimeStamp = mClock.getWallClockMillis(); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| boolean ret = HANDLED; |
| |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case CMD_NO_NETWORKS_PERIODIC_SCAN: |
| if (mP2pConnected.get()) break; |
| if (mNoNetworksPeriodicScan != 0 && message.arg1 == mPeriodicScanToken && |
| mWifiConfigManager.getSavedNetworks().size() == 0) { |
| startScan(UNKNOWN_SCAN_SOURCE, -1, null, WIFI_WORK_SOURCE); |
| sendMessageDelayed(obtainMessage(CMD_NO_NETWORKS_PERIODIC_SCAN, |
| ++mPeriodicScanToken, 0), mNoNetworksPeriodicScan); |
| } |
| break; |
| case WifiManager.FORGET_NETWORK: |
| case CMD_REMOVE_NETWORK: |
| case CMD_REMOVE_APP_CONFIGURATIONS: |
| case CMD_REMOVE_USER_CONFIGURATIONS: |
| // Set up a delayed message here. After the forget/remove is handled |
| // the handled delayed message will determine if there is a need to |
| // scan and continue |
| sendMessageDelayed(obtainMessage(CMD_NO_NETWORKS_PERIODIC_SCAN, |
| ++mPeriodicScanToken, 0), mNoNetworksPeriodicScan); |
| ret = NOT_HANDLED; |
| break; |
| case CMD_SET_OPERATIONAL_MODE: |
| if (message.arg1 != CONNECT_MODE) { |
| mOperationalMode = message.arg1; |
| mWifiConfigManager.disableAllNetworksNative(); |
| if (mOperationalMode == DISABLED_MODE) { |
| transitionTo(mSupplicantStoppingState); |
| } else if (mOperationalMode == SCAN_ONLY_WITH_WIFI_OFF_MODE) { |
| p2pSendMessage(CMD_DISABLE_P2P_REQ); |
| setWifiState(WIFI_STATE_DISABLED); |
| transitionTo(mScanModeState); |
| } else if (mOperationalMode == SCAN_ONLY_MODE) { |
| transitionTo(mScanModeState); |
| } |
| } |
| mWifiConfigManager. |
| setAndEnableLastSelectedConfiguration( |
| WifiConfiguration.INVALID_NETWORK_ID); |
| break; |
| case CMD_DISCONNECT: |
| if (mVerboseLoggingEnabled) log("Ignore CMD_DISCONNECT when already disconnected."); |
| break; |
| /* Ignore network disconnect */ |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| // Interpret this as an L2 connection failure |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| if (mVerboseLoggingEnabled) { |
| logd("SUPPLICANT_STATE_CHANGE_EVENT state=" + stateChangeResult.state + |
| " -> state= " + WifiInfo.getDetailedStateOf(stateChangeResult.state) |
| + " debouncing=" + isLinkDebouncing()); |
| } |
| setNetworkDetailedState(WifiInfo.getDetailedStateOf(stateChangeResult.state)); |
| /* ConnectModeState does the rest of the handling */ |
| ret = NOT_HANDLED; |
| break; |
| case CMD_START_SCAN: |
| if (!checkOrDeferScanAllowed(message)) { |
| // The scan request was rescheduled |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_REFUSED; |
| return HANDLED; |
| } |
| |
| ret = NOT_HANDLED; |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| NetworkInfo info = (NetworkInfo) message.obj; |
| mP2pConnected.set(info.isConnected()); |
| if (mP2pConnected.get()) { |
| int defaultInterval = mContext.getResources().getInteger( |
| R.integer.config_wifi_scan_interval_p2p_connected); |
| long scanIntervalMs = mFacade.getLongSetting(mContext, |
| Settings.Global.WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS, |
| defaultInterval); |
| mWifiNative.setScanInterval((int) scanIntervalMs/1000); |
| } else if (mWifiConfigManager.getSavedNetworks().size() == 0) { |
| if (mVerboseLoggingEnabled) log("Turn on scanning after p2p disconnected"); |
| sendMessageDelayed(obtainMessage(CMD_NO_NETWORKS_PERIODIC_SCAN, |
| ++mPeriodicScanToken, 0), mNoNetworksPeriodicScan); |
| } |
| break; |
| case CMD_RECONNECT: |
| case CMD_REASSOCIATE: |
| if (mTemporarilyDisconnectWifi) { |
| // Drop a third party reconnect/reassociate if STA is |
| // temporarily disconnected for p2p |
| break; |
| } else { |
| // ConnectModeState handles it |
| ret = NOT_HANDLED; |
| } |
| break; |
| case CMD_SCREEN_STATE_CHANGED: |
| handleScreenStateChanged(message.arg1 != 0); |
| break; |
| default: |
| ret = NOT_HANDLED; |
| } |
| return ret; |
| } |
| |
| @Override |
| public void exit() { |
| if (mWifiConnectivityManager != null) { |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_TRANSITIONING); |
| } |
| } |
| } |
| |
| class WpsRunningState extends State { |
| // Tracks the source to provide a reply |
| private Message mSourceMessage; |
| @Override |
| public void enter() { |
| mSourceMessage = Message.obtain(getCurrentMessage()); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch (message.what) { |
| case WifiMonitor.WPS_SUCCESS_EVENT: |
| // Ignore intermediate success, wait for full connection |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| replyToMessage(mSourceMessage, WifiManager.WPS_COMPLETED); |
| mSourceMessage.recycle(); |
| mSourceMessage = null; |
| deferMessage(message); |
| transitionTo(mDisconnectedState); |
| break; |
| case WifiMonitor.WPS_OVERLAP_EVENT: |
| replyToMessage(mSourceMessage, WifiManager.WPS_FAILED, |
| WifiManager.WPS_OVERLAP_ERROR); |
| mSourceMessage.recycle(); |
| mSourceMessage = null; |
| transitionTo(mDisconnectedState); |
| break; |
| case WifiMonitor.WPS_FAIL_EVENT: |
| // Arg1 has the reason for the failure |
| if ((message.arg1 != WifiManager.ERROR) || (message.arg2 != 0)) { |
| replyToMessage(mSourceMessage, WifiManager.WPS_FAILED, message.arg1); |
| mSourceMessage.recycle(); |
| mSourceMessage = null; |
| transitionTo(mDisconnectedState); |
| } else { |
| if (mVerboseLoggingEnabled) { |
| log("Ignore unspecified fail event during WPS connection"); |
| } |
| } |
| break; |
| case WifiMonitor.WPS_TIMEOUT_EVENT: |
| replyToMessage(mSourceMessage, WifiManager.WPS_FAILED, |
| WifiManager.WPS_TIMED_OUT); |
| mSourceMessage.recycle(); |
| mSourceMessage = null; |
| transitionTo(mDisconnectedState); |
| break; |
| case WifiManager.START_WPS: |
| replyToMessage(message, WifiManager.WPS_FAILED, WifiManager.IN_PROGRESS); |
| break; |
| case WifiManager.CANCEL_WPS: |
| if (mWifiNative.cancelWps()) { |
| replyToMessage(message, WifiManager.CANCEL_WPS_SUCCEDED); |
| } else { |
| replyToMessage(message, WifiManager.CANCEL_WPS_FAILED, WifiManager.ERROR); |
| } |
| transitionTo(mDisconnectedState); |
| break; |
| /** |
| * Defer all commands that can cause connections to a different network |
| * or put the state machine out of connect mode |
| */ |
| case CMD_SET_OPERATIONAL_MODE: |
| case WifiManager.CONNECT_NETWORK: |
| case CMD_ENABLE_NETWORK: |
| case CMD_RECONNECT: |
| case CMD_REASSOCIATE: |
| case CMD_ENABLE_ALL_NETWORKS: |
| deferMessage(message); |
| break; |
| case CMD_AUTO_CONNECT: |
| case CMD_AUTO_ROAM: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| return HANDLED; |
| case CMD_START_SCAN: |
| messageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| return HANDLED; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| if (mVerboseLoggingEnabled) log("Network connection lost"); |
| handleNetworkDisconnect(); |
| break; |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| if (mVerboseLoggingEnabled) { |
| log("Ignore Assoc reject event during WPS Connection"); |
| } |
| break; |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| // Disregard auth failure events during WPS connection. The |
| // EAP sequence is retried several times, and there might be |
| // failures (especially for wps pin). We will get a WPS_XXX |
| // event at the end of the sequence anyway. |
| if (mVerboseLoggingEnabled) log("Ignore auth failure during WPS connection"); |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| // Throw away supplicant state changes when WPS is running. |
| // We will start getting supplicant state changes once we get |
| // a WPS success or failure |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| |
| @Override |
| public void exit() { |
| mWifiConfigManager.enableAllNetworks(); |
| mWifiConfigManager.loadConfiguredNetworks(); |
| } |
| } |
| |
| class SoftApState extends State { |
| private SoftApManager mSoftApManager; |
| |
| private class SoftApListener implements SoftApManager.Listener { |
| @Override |
| public void onStateChanged(int state, int reason) { |
| if (state == WIFI_AP_STATE_DISABLED) { |
| sendMessage(CMD_AP_STOPPED); |
| } else if (state == WIFI_AP_STATE_FAILED) { |
| sendMessage(CMD_START_AP_FAILURE); |
| } |
| |
| setWifiApState(state, reason); |
| } |
| } |
| |
| @Override |
| public void enter() { |
| final Message message = getCurrentMessage(); |
| if (message.what != CMD_START_AP) { |
| throw new RuntimeException("Illegal transition to SoftApState: " + message); |
| } |
| |
| IApInterface apInterface = setupDriverForSoftAp(); |
| if (apInterface == null) { |
| setWifiApState(WIFI_AP_STATE_FAILED, |
| WifiManager.SAP_START_FAILURE_GENERAL); |
| /** |
| * Transition to InitialState to reset the |
| * driver/HAL back to the initial state. |
| */ |
| transitionTo(mInitialState); |
| return; |
| } |
| |
| WifiConfiguration config = (WifiConfiguration) message.obj; |
| if (config == null) { |
| /** |
| * Configuration not provided in the command, fallback to use the current |
| * configuration. |
| */ |
| config = mWifiApConfigStore.getApConfiguration(); |
| } else { |
| /* Update AP configuration. */ |
| mWifiApConfigStore.setApConfiguration(config); |
| } |
| |
| checkAndSetConnectivityInstance(); |
| mSoftApManager = mWifiInjector.makeSoftApManager( |
| mWifiNative, mNwService, |
| mCm, mCountryCode.getCountryCode(), |
| mWifiApConfigStore.getAllowed2GChannel(), |
| new SoftApListener(), apInterface); |
| mSoftApManager.start(config); |
| } |
| |
| @Override |
| public void exit() { |
| mSoftApManager = null; |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| logStateAndMessage(message, this); |
| |
| switch(message.what) { |
| case CMD_START_AP: |
| /* Ignore start command when it is starting/started. */ |
| break; |
| case CMD_STOP_AP: |
| mSoftApManager.stop(); |
| break; |
| case CMD_START_AP_FAILURE: |
| transitionTo(mInitialState); |
| break; |
| case CMD_AP_STOPPED: |
| transitionTo(mInitialState); |
| break; |
| default: |
| return NOT_HANDLED; |
| } |
| return HANDLED; |
| } |
| } |
| |
| /** |
| * State machine initiated requests can have replyTo set to null indicating |
| * there are no recepients, we ignore those reply actions. |
| */ |
| private void replyToMessage(Message msg, int what) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| private void replyToMessage(Message msg, int what, int arg1) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| dstMsg.arg1 = arg1; |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| private void replyToMessage(Message msg, int what, Object obj) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| dstMsg.obj = obj; |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| /** |
| * arg2 on the source message has a unique id that needs to be retained in replies |
| * to match the request |
| * <p>see WifiManager for details |
| */ |
| private Message obtainMessageWithWhatAndArg2(Message srcMsg, int what) { |
| Message msg = Message.obtain(); |
| msg.what = what; |
| msg.arg2 = srcMsg.arg2; |
| return msg; |
| } |
| |
| /** |
| * @param wifiCredentialEventType WIFI_CREDENTIAL_SAVED or WIFI_CREDENTIAL_FORGOT |
| * @param config Must have a WifiConfiguration object to succeed |
| */ |
| private void broadcastWifiCredentialChanged(int wifiCredentialEventType, |
| WifiConfiguration config) { |
| if (config != null && config.preSharedKey != null) { |
| Intent intent = new Intent(WifiManager.WIFI_CREDENTIAL_CHANGED_ACTION); |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_SSID, config.SSID); |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_EVENT_TYPE, |
| wifiCredentialEventType); |
| mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT, |
| android.Manifest.permission.RECEIVE_WIFI_CREDENTIAL_CHANGE); |
| } |
| } |
| |
| void handleGsmAuthRequest(SimAuthRequestData requestData) { |
| if (targetWificonfiguration == null |
| || targetWificonfiguration.networkId == requestData.networkId) { |
| logd("id matches targetWifiConfiguration"); |
| } else { |
| logd("id does not match targetWifiConfiguration"); |
| return; |
| } |
| |
| String response = |
| TelephonyUtil.getGsmSimAuthResponse(requestData.data, getTelephonyManager()); |
| if (response == null) { |
| mWifiNative.simAuthFailedResponse(requestData.networkId); |
| } else { |
| logv("Supplicant Response -" + response); |
| mWifiNative.simAuthResponse(requestData.networkId, "GSM-AUTH", response); |
| } |
| } |
| |
| void handle3GAuthRequest(SimAuthRequestData requestData) { |
| if (targetWificonfiguration == null |
| || targetWificonfiguration.networkId == requestData.networkId) { |
| logd("id matches targetWifiConfiguration"); |
| } else { |
| logd("id does not match targetWifiConfiguration"); |
| return; |
| } |
| |
| SimAuthResponseData response = |
| TelephonyUtil.get3GAuthResponse(requestData, getTelephonyManager()); |
| if (response != null) { |
| mWifiNative.simAuthResponse(requestData.networkId, response.type, response.response); |
| } else { |
| mWifiNative.umtsAuthFailedResponse(requestData.networkId); |
| } |
| } |
| |
| /** |
| * Automatically connect to the network specified |
| * |
| * @param networkId ID of the network to connect to |
| * @param bssid BSSID of the network |
| */ |
| public void autoConnectToNetwork(int networkId, String bssid) { |
| synchronized (mWifiReqCountLock) { |
| if (hasConnectionRequests()) { |
| sendMessage(CMD_AUTO_CONNECT, networkId, 0, bssid); |
| } |
| } |
| } |
| |
| /** |
| * Automatically roam to the network specified |
| * |
| * @param networkId ID of the network to roam to |
| * @param scanResult scan result which identifies the network to roam to |
| */ |
| public void autoRoamToNetwork(int networkId, ScanResult scanResult) { |
| sendMessage(CMD_AUTO_ROAM, networkId, 0, scanResult); |
| } |
| |
| /** |
| * Dynamically turn on/off WifiConnectivityManager |
| * |
| * @param enabled true-enable; false-disable |
| */ |
| public void enableWifiConnectivityManager(boolean enabled) { |
| sendMessage(CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER, enabled ? 1 : 0); |
| } |
| |
| /** |
| * @param reason reason code from supplicant on network disconnected event |
| * @return true if this is a suspicious disconnect |
| */ |
| static boolean unexpectedDisconnectedReason(int reason) { |
| return reason == 2 // PREV_AUTH_NOT_VALID |
| || reason == 6 // CLASS2_FRAME_FROM_NONAUTH_STA |
| || reason == 7 // FRAME_FROM_NONASSOC_STA |
| || reason == 8 // STA_HAS_LEFT |
| || reason == 9 // STA_REQ_ASSOC_WITHOUT_AUTH |
| || reason == 14 // MICHAEL_MIC_FAILURE |
| || reason == 15 // 4WAY_HANDSHAKE_TIMEOUT |
| || reason == 16 // GROUP_KEY_UPDATE_TIMEOUT |
| || reason == 18 // GROUP_CIPHER_NOT_VALID |
| || reason == 19 // PAIRWISE_CIPHER_NOT_VALID |
| || reason == 23 // IEEE_802_1X_AUTH_FAILED |
| || reason == 34; // DISASSOC_LOW_ACK |
| } |
| |
| /** |
| * Update WifiMetrics before dumping |
| */ |
| void updateWifiMetrics() { |
| int numSavedNetworks = mWifiConfigManager.getConfiguredNetworksSize(); |
| int numOpenNetworks = 0; |
| int numPersonalNetworks = 0; |
| int numEnterpriseNetworks = 0; |
| int numNetworksAddedByUser = 0; |
| int numNetworksAddedByApps = 0; |
| int numHiddenNetworks = 0; |
| int numPasspoint = 0; |
| for (WifiConfiguration config : mWifiConfigManager.getSavedNetworks()) { |
| if (config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.NONE)) { |
| numOpenNetworks++; |
| } else if (config.isEnterprise()) { |
| numEnterpriseNetworks++; |
| } else { |
| numPersonalNetworks++; |
| } |
| if (config.selfAdded) { |
| numNetworksAddedByUser++; |
| } else { |
| numNetworksAddedByApps++; |
| } |
| if (config.hiddenSSID) { |
| numHiddenNetworks++; |
| } |
| if (config.isPasspoint()) { |
| numPasspoint++; |
| } |
| } |
| mWifiMetrics.setNumSavedNetworks(numSavedNetworks); |
| mWifiMetrics.setNumOpenNetworks(numOpenNetworks); |
| mWifiMetrics.setNumPersonalNetworks(numPersonalNetworks); |
| mWifiMetrics.setNumEnterpriseNetworks(numEnterpriseNetworks); |
| mWifiMetrics.setNumNetworksAddedByUser(numNetworksAddedByUser); |
| mWifiMetrics.setNumNetworksAddedByApps(numNetworksAddedByApps); |
| mWifiMetrics.setNumHiddenNetworks(numHiddenNetworks); |
| mWifiMetrics.setNumPasspointNetworks(numPasspoint); |
| } |
| |
| private static String getLinkPropertiesSummary(LinkProperties lp) { |
| List<String> attributes = new ArrayList<>(6); |
| if (lp.hasIPv4Address()) { |
| attributes.add("v4"); |
| } |
| if (lp.hasIPv4DefaultRoute()) { |
| attributes.add("v4r"); |
| } |
| if (lp.hasIPv4DnsServer()) { |
| attributes.add("v4dns"); |
| } |
| if (lp.hasGlobalIPv6Address()) { |
| attributes.add("v6"); |
| } |
| if (lp.hasIPv6DefaultRoute()) { |
| attributes.add("v6r"); |
| } |
| if (lp.hasIPv6DnsServer()) { |
| attributes.add("v6dns"); |
| } |
| |
| return TextUtils.join(" ", attributes); |
| } |
| |
| private void wnmFrameReceived(WnmData event) { |
| // %012x HS20-SUBSCRIPTION-REMEDIATION "%u %s", osu_method, url |
| // %012x HS20-DEAUTH-IMMINENT-NOTICE "%u %u %s", code, reauth_delay, url |
| |
| Intent intent = new Intent(WifiManager.PASSPOINT_WNM_FRAME_RECEIVED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_BSSID, event.getBssid()); |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_URL, event.getUrl()); |
| |
| if (event.isDeauthEvent()) { |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_ESS, event.isEss()); |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_DELAY, event.getDelay()); |
| } else { |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_METHOD, event.getMethod()); |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null && config.FQDN != null) { |
| intent.putExtra(WifiManager.EXTRA_PASSPOINT_WNM_PPOINT_MATCH, |
| mWifiConfigManager.matchProviderWithCurrentNetwork(config.FQDN)); |
| } |
| } |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| /** |
| * Gets the SSID from the WifiConfiguration pointed at by 'mTargetNetworkId' |
| * This should match the network config framework is attempting to connect to. |
| */ |
| private String getTargetSsid() { |
| WifiConfiguration currentConfig = mWifiConfigManager.getWifiConfiguration(mTargetNetworkId); |
| if (currentConfig != null) { |
| return currentConfig.SSID; |
| } |
| return null; |
| } |
| |
| private void p2pSendMessage(int what) { |
| if (mWifiP2pChannel != null) { |
| mWifiP2pChannel.sendMessage(what); |
| } |
| } |
| |
| private void p2pSendMessage(int what, int arg1) { |
| if (mWifiP2pChannel != null) { |
| mWifiP2pChannel.sendMessage(what, arg1); |
| } |
| } |
| |
| /** |
| * Check if there is any connection request for WiFi network. |
| * Note, caller of this helper function must acquire mWifiReqCountLock. |
| */ |
| private boolean hasConnectionRequests() { |
| return mConnectionReqCount > 0 || mUntrustedReqCount > 0; |
| } |
| } |