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android / platform / frameworks / opt / net / wifi / b8929d41279bffa218a665d383ba1a4e3afa570c / . / service / java / com / android / server / wifi / ClientModeImpl.java
blob: 039f1d3427746ce5176038dbb03b66972eee05f8 [file] [log] [blame]
/*
* 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_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.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityManager;
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.PackageManager;
import android.database.ContentObserver;
import android.net.ConnectivityManager;
import android.net.DhcpResults;
import android.net.IpConfiguration;
import android.net.KeepalivePacketData;
import android.net.LinkProperties;
import android.net.MacAddress;
import android.net.MatchAllNetworkSpecifier;
import android.net.NattKeepalivePacketData;
import android.net.Network;
import android.net.NetworkAgent;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkInfo.DetailedState;
import android.net.NetworkMisc;
import android.net.NetworkUtils;
import android.net.RouteInfo;
import android.net.SocketKeepalive;
import android.net.SocketKeepalive.InvalidPacketException;
import android.net.StaticIpConfiguration;
import android.net.TcpKeepalivePacketData;
import android.net.ip.IIpClient;
import android.net.ip.IpClientCallbacks;
import android.net.ip.IpClientManager;
import android.net.shared.ProvisioningConfiguration;
import android.net.wifi.INetworkRequestMatchCallback;
import android.net.wifi.RssiPacketCountInfo;
import android.net.wifi.ScanResult;
import android.net.wifi.SupplicantState;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiEnterpriseConfig;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiManager.DeviceMobilityState;
import android.net.wifi.WifiNetworkAgentSpecifier;
import android.net.wifi.WifiSsid;
import android.net.wifi.hotspot2.IProvisioningCallback;
import android.net.wifi.hotspot2.OsuProvider;
import android.net.wifi.hotspot2.PasspointConfiguration;
import android.net.wifi.p2p.IWifiP2pManager;
import android.os.BatteryStats;
import android.os.Bundle;
import android.os.ConditionVariable;
import android.os.IBinder;
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.system.OsConstants;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import android.util.SparseArray;
import android.util.StatsLog;
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.wifi.hotspot2.AnqpEvent;
import com.android.server.wifi.hotspot2.IconEvent;
import com.android.server.wifi.hotspot2.NetworkDetail;
import com.android.server.wifi.hotspot2.PasspointManager;
import com.android.server.wifi.hotspot2.WnmData;
import com.android.server.wifi.nano.WifiMetricsProto;
import com.android.server.wifi.nano.WifiMetricsProto.StaEvent;
import com.android.server.wifi.nano.WifiMetricsProto.WifiIsUnusableEvent;
import com.android.server.wifi.nano.WifiMetricsProto.WifiUsabilityStats;
import com.android.server.wifi.p2p.WifiP2pServiceImpl;
import com.android.server.wifi.util.NativeUtil;
import com.android.server.wifi.util.TelephonyUtil;
import com.android.server.wifi.util.TelephonyUtil.SimAuthRequestData;
import com.android.server.wifi.util.TelephonyUtil.SimAuthResponseData;
import com.android.server.wifi.util.WifiPermissionsUtil;
import com.android.server.wifi.util.WifiPermissionsWrapper;
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.Inet6Address;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Implementation of ClientMode. Event handling for Client mode logic is done here,
* and all changes in connectivity state are initiated here.
*
* @hide
*/
public class ClientModeImpl extends StateMachine {
private static final String NETWORKTYPE = "WIFI";
@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 = "WifiClientModeImpl";
private static final int ONE_HOUR_MILLI = 1000 * 60 * 60;
private static final String GOOGLE_OUI = "DA-A1-19";
private static final String EXTRA_OSU_ICON_QUERY_BSSID = "BSSID";
private static final String EXTRA_OSU_ICON_QUERY_FILENAME = "FILENAME";
private static final String EXTRA_OSU_PROVIDER = "OsuProvider";
private static final String EXTRA_UID = "uid";
private static final String EXTRA_PACKAGE_NAME = "PackageName";
private static final String EXTRA_PASSPOINT_CONFIGURATION = "PasspointConfiguration";
private static final int IPCLIENT_TIMEOUT_MS = 60_000;
private boolean mVerboseLoggingEnabled = false;
private final WifiPermissionsWrapper mWifiPermissionsWrapper;
/* debug flag, indicating if handling of ASSOCIATION_REJECT ended up blacklisting
* the corresponding BSSID.
*/
private boolean mDidBlackListBSSID = 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 final WifiMetrics mWifiMetrics;
private final WifiInjector mWifiInjector;
private final WifiMonitor mWifiMonitor;
private final WifiNative mWifiNative;
private final WifiPermissionsUtil mWifiPermissionsUtil;
private final WifiConfigManager mWifiConfigManager;
private final WifiConnectivityManager mWifiConnectivityManager;
private ConnectivityManager mCm;
private BaseWifiDiagnostics mWifiDiagnostics;
private final boolean mP2pSupported;
private final AtomicBoolean mP2pConnected = new AtomicBoolean(false);
private boolean mTemporarilyDisconnectWifi = false;
private final Clock mClock;
private final PropertyService mPropertyService;
private final BuildProperties mBuildProperties;
private final WifiCountryCode mCountryCode;
private final WifiScoreCard mWifiScoreCard;
private final WifiScoreReport mWifiScoreReport;
private final SarManager mSarManager;
private final WifiTrafficPoller mWifiTrafficPoller;
public WifiScoreReport getWifiScoreReport() {
return mWifiScoreReport;
}
private final PasspointManager mPasspointManager;
private final WifiDataStall mWifiDataStall;
private final LinkProbeManager mLinkProbeManager;
private final McastLockManagerFilterController mMcastLockManagerFilterController;
private boolean mScreenOn = false;
private String mInterfaceName;
private int mLastSignalLevel = -1;
private String mLastBssid;
private int mLastNetworkId; // The network Id we successfully joined
private boolean mIpReachabilityDisconnectEnabled = true;
private void processRssiThreshold(byte curRssi, int reason,
WifiNative.WifiRssiEventHandler rssiHandler) {
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();
int ret = startRssiMonitoringOffload(maxRssi, minRssi, rssiHandler);
Log.d(TAG, "Re-program RSSI thresholds for " + getWhatToString(reason)
+ ": [" + minRssi + ", " + maxRssi + "], curRssi=" + curRssi
+ " ret=" + ret);
break;
}
}
}
private boolean mEnableRssiPolling = false;
// Accessed via Binder thread ({get,set}PollRssiIntervalMsecs), and ClientModeImpl thread.
private volatile int mPollRssiIntervalMsecs = DEFAULT_POLL_RSSI_INTERVAL_MSECS;
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 = DISABLED_MODE;
// variable indicating we are expecting a mode switch - do not attempt recovery for failures
private boolean mModeChange = false;
private ClientModeManager.Listener mClientModeCallback = null;
private boolean mBluetoothConnectionActive = false;
private PowerManager.WakeLock mSuspendWakeLock;
/**
* Interval in milliseconds between polling for RSSI and linkspeed information.
* This is also used as the polling interval for WifiTrafficPoller, which updates
* its data activity on every CMD_RSSI_POLL.
*/
private static final int DEFAULT_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;
/**
* Value to set in wpa_supplicant "bssid" field when we don't want to restrict connection to
* a specific AP.
*/
public static final String SUPPLICANT_BSSID_ANY = "any";
/**
* 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 - see syncRequestConnectionInfo()
private final ExtendedWifiInfo mWifiInfo;
private NetworkInfo mNetworkInfo;
private SupplicantStateTracker mSupplicantStateTracker;
// Indicates that framework is attempting to roam, set true on CMD_START_ROAM, set false when
// wifi connects or fails to connect
private boolean mIsAutoRoaming = false;
// Roaming failure count
private int mRoamFailCount = 0;
// This is the BSSID we are trying to associate to, it can be set to SUPPLICANT_BSSID_ANY
// if we havent selected a BSSID for joining.
private String mTargetRoamBSSID = SUPPLICANT_BSSID_ANY;
// This one is used to track 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 mTargetWifiConfiguration = null;
int getPollRssiIntervalMsecs() {
return mPollRssiIntervalMsecs;
}
void setPollRssiIntervalMsecs(int newPollIntervalMsecs) {
mPollRssiIntervalMsecs = newPollIntervalMsecs;
}
/**
* Method to clear {@link #mTargetRoamBSSID} and reset the the current connected network's
* bssid in wpa_supplicant after a roam/connect attempt.
*/
public boolean clearTargetBssid(String dbg) {
WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId);
if (config == null) {
return false;
}
String bssid = SUPPLICANT_BSSID_ANY;
if (config.BSSID != null) {
bssid = config.BSSID;
if (mVerboseLoggingEnabled) {
Log.d(TAG, "force BSSID to " + bssid + "due to config");
}
}
if (mVerboseLoggingEnabled) {
logd(dbg + " clearTargetBssid " + bssid + " key=" + config.configKey());
}
mTargetRoamBSSID = bssid;
return mWifiNative.setConfiguredNetworkBSSID(mInterfaceName, bssid);
}
/**
* Set Config's default BSSID (for association purpose) and {@link #mTargetRoamBSSID}
* @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 || bssid == null) {
return false;
}
if (config.BSSID != null) {
bssid = config.BSSID;
if (mVerboseLoggingEnabled) {
Log.d(TAG, "force BSSID to " + bssid + "due to config");
}
}
if (mVerboseLoggingEnabled) {
Log.d(TAG, "setTargetBssid set to " + bssid + " key=" + config.configKey());
}
mTargetRoamBSSID = bssid;
config.getNetworkSelectionStatus().setNetworkSelectionBSSID(bssid);
return true;
}
private volatile IpClientManager mIpClient;
private IpClientCallbacksImpl mIpClientCallbacks;
// Channel for sending replies.
private AsyncChannel mReplyChannel = new AsyncChannel();
// Used to initiate a connection with WifiP2pService
private AsyncChannel mWifiP2pChannel;
private WifiNetworkFactory mNetworkFactory;
private UntrustedWifiNetworkFactory mUntrustedNetworkFactory;
@GuardedBy("mNetworkAgentLock")
private WifiNetworkAgent mNetworkAgent;
private final Object mNetworkAgentLock = new Object();
private byte[] mRssiRanges;
// 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;
static final int CMD_BLUETOOTH_ADAPTER_STATE_CHANGE = BASE + 31;
/* Supplicant commands */
/* 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;
/* Get configured networks */
static final int CMD_GET_CONFIGURED_NETWORKS = BASE + 59;
/* 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*/
/* 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;
/* 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;
/** Runs RSSI poll once */
static final int CMD_ONESHOT_RSSI_POLL = BASE + 84;
/* Enable suspend mode optimizations in the driver */
static final int CMD_SET_SUSPEND_OPT_ENABLED = BASE + 86;
/* 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 mRoamWatchdogCount = 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 configurations */
static final int CMD_REMOVE_APP_CONFIGURATIONS = BASE + 97;
/* Disable an ephemeral network */
static final int CMD_DISABLE_EPHEMERAL_NETWORK = BASE + 98;
/* SIM is removed; reset any cached data for it */
static final int CMD_RESET_SIM_NETWORKS = BASE + 101;
/* OSU APIs */
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;
// Add or update a Passpoint configuration.
static final int CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG = BASE + 106;
// Remove a Passpoint configuration.
static final int CMD_REMOVE_PASSPOINT_CONFIG = BASE + 107;
// Get the list of installed Passpoint configurations.
static final int CMD_GET_PASSPOINT_CONFIGS = BASE + 108;
// Get the list of OSU providers associated with a Passpoint network.
static final int CMD_GET_MATCHING_OSU_PROVIDERS = BASE + 109;
// Get the list of installed Passpoint configurations matched with OSU providers
static final int CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS = BASE + 110;
/* Commands from/to the SupplicantStateTracker */
/* Reset the supplicant state tracker */
static final int CMD_RESET_SUPPLICANT_STATE = BASE + 111;
// Get the list of wifi configurations for installed Passpoint profiles
static final int CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES = BASE + 112;
int mDisconnectingWatchdogCount = 0;
static final int DISCONNECTING_GUARD_TIMER_MSEC = 5000;
/**
* Indicates the end of boot process, should be used to trigger load from config store,
* initiate connection attempt, etc.
* */
static final int CMD_BOOT_COMPLETED = BASE + 134;
/**
* Initialize ClientModeImpl. This is currently used to initialize the
* {@link HalDeviceManager} module.
*/
static final int CMD_INITIALIZE = BASE + 135;
/* 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;
static final int CMD_START_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_START_ROAM = BASE + 145;
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_BREACHED = BASE + 164;
/* Enable/Disable WifiConnectivityManager */
static final int CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER = BASE + 166;
/* Get FQDN list for Passpoint profiles matched with a given scanResults */
static final int CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS = BASE + 168;
/**
* Used to handle messages bounced between ClientModeImpl and IpClient.
*/
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;
/* used to indicate that the foreground user was switched */
static final int CMD_USER_SWITCH = BASE + 205;
/* used to indicate that the foreground user was switched */
static final int CMD_USER_UNLOCK = BASE + 206;
/* used to indicate that the foreground user was switched */
static final int CMD_USER_STOP = BASE + 207;
/* Read the APF program & data buffer */
static final int CMD_READ_PACKET_FILTER = BASE + 208;
/** Used to add packet filter to apf. */
static final int CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF = BASE + 209;
/** Used to remove packet filter from apf. */
static final int CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF = BASE + 210;
/* Indicates that diagnostics should time out a connection start event. */
static final int CMD_DIAGS_CONNECT_TIMEOUT = BASE + 252;
// Start subscription provisioning with a given provider
private static final int CMD_START_SUBSCRIPTION_PROVISIONING = BASE + 254;
@VisibleForTesting
static final int CMD_PRE_DHCP_ACTION = BASE + 255;
private static final int CMD_PRE_DHCP_ACTION_COMPLETE = BASE + 256;
private static final int CMD_POST_DHCP_ACTION = BASE + 257;
// For message logging.
private static final Class[] sMessageClasses = {
AsyncChannel.class, ClientModeImpl.class };
private static final SparseArray<String> sGetWhatToString =
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;
/**
* Time window in milliseconds for which we send
* {@link NetworkAgent#explicitlySelected(boolean, boolean)}
* after connecting to the network which the user last selected.
*/
@VisibleForTesting
public static final int LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS = 30 * 1000;
/* Tracks if user has enabled suspend optimizations through settings */
private AtomicBoolean mUserWantsSuspendOpt = new AtomicBoolean(true);
/* Tracks if user has enabled Connected Mac Randomization through settings */
/**
* 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;
int mRunningBeaconCount = 0;
/* Default parent state */
private State mDefaultState = new DefaultState();
/* 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();
/**
* 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);
/**
* 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 WifiStateTracker mWifiStateTracker;
private final BackupManagerProxy mBackupManagerProxy;
private final WrongPasswordNotifier mWrongPasswordNotifier;
private WifiNetworkSuggestionsManager mWifiNetworkSuggestionsManager;
private boolean mConnectedMacRandomzationSupported;
// Maximum duration to continue to log Wifi usability stats after a data stall is triggered.
@VisibleForTesting
public static final long DURATION_TO_WAIT_ADD_STATS_AFTER_DATA_STALL_MS = 30 * 1000;
private long mDataStallTriggerTimeMs = -1;
private int mLastStatusDataStall = WifiIsUnusableEvent.TYPE_UNKNOWN;
public ClientModeImpl(Context context, FrameworkFacade facade, Looper looper,
UserManager userManager, WifiInjector wifiInjector,
BackupManagerProxy backupManagerProxy, WifiCountryCode countryCode,
WifiNative wifiNative, WrongPasswordNotifier wrongPasswordNotifier,
SarManager sarManager, WifiTrafficPoller wifiTrafficPoller,
LinkProbeManager linkProbeManager) {
super(TAG, looper);
mWifiInjector = wifiInjector;
mWifiMetrics = mWifiInjector.getWifiMetrics();
mClock = wifiInjector.getClock();
mPropertyService = wifiInjector.getPropertyService();
mBuildProperties = wifiInjector.getBuildProperties();
mWifiScoreCard = wifiInjector.getWifiScoreCard();
mContext = context;
mFacade = facade;
mWifiNative = wifiNative;
mBackupManagerProxy = backupManagerProxy;
mWrongPasswordNotifier = wrongPasswordNotifier;
mSarManager = sarManager;
mWifiTrafficPoller = wifiTrafficPoller;
mLinkProbeManager = linkProbeManager;
mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_WIFI, 0, NETWORKTYPE, "");
mBatteryStats = IBatteryStats.Stub.asInterface(mFacade.getService(
BatteryStats.SERVICE_NAME));
mWifiStateTracker = wifiInjector.getWifiStateTracker();
IBinder b = mFacade.getService(Context.NETWORKMANAGEMENT_SERVICE);
mP2pSupported = mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_WIFI_DIRECT);
mWifiPermissionsUtil = mWifiInjector.getWifiPermissionsUtil();
mWifiConfigManager = mWifiInjector.getWifiConfigManager();
mPasspointManager = mWifiInjector.getPasspointManager();
mWifiMonitor = mWifiInjector.getWifiMonitor();
mWifiDiagnostics = mWifiInjector.getWifiDiagnostics();
mWifiPermissionsWrapper = mWifiInjector.getWifiPermissionsWrapper();
mWifiDataStall = mWifiInjector.getWifiDataStall();
mWifiInfo = new ExtendedWifiInfo();
mSupplicantStateTracker =
mFacade.makeSupplicantStateTracker(context, mWifiConfigManager, getHandler());
mWifiConnectivityManager = mWifiInjector.makeWifiConnectivityManager(this);
mLinkProperties = new LinkProperties();
mMcastLockManagerFilterController = new McastLockManagerFilterController();
mNetworkInfo.setIsAvailable(false);
mLastBssid = null;
mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
mLastSignalLevel = -1;
mCountryCode = countryCode;
mWifiScoreReport = new WifiScoreReport(mWifiInjector.getScoringParams(), mClock);
mNetworkCapabilitiesFilter.addTransportType(NetworkCapabilities.TRANSPORT_WIFI);
mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING);
mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_CONGESTED);
mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);
// TODO - needs to be a bit more dynamic
mNetworkCapabilitiesFilter.setLinkUpstreamBandwidthKbps(1024 * 1024);
mNetworkCapabilitiesFilter.setLinkDownstreamBandwidthKbps(1024 * 1024);
mNetworkCapabilitiesFilter.setNetworkSpecifier(new MatchAllNetworkSpecifier());
// Make the network factories.
mNetworkFactory = mWifiInjector.makeWifiNetworkFactory(
mNetworkCapabilitiesFilter, mWifiConnectivityManager);
// We can't filter untrusted network in the capabilities filter because a trusted
// network would still satisfy a request that accepts untrusted ones.
// We need a second network factory for untrusted network requests because we need a
// different score filter for these requests.
mUntrustedNetworkFactory = mWifiInjector.makeUntrustedWifiNetworkFactory(
mNetworkCapabilitiesFilter, mWifiConnectivityManager);
mWifiNetworkSuggestionsManager = mWifiInjector.getWifiNetworkSuggestionsManager();
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);
mFacade.registerContentObserver(mContext, 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);
}
});
mUserWantsSuspendOpt.set(mFacade.getIntegerSetting(mContext,
Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED, 1) == 1);
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);
mConnectedMacRandomzationSupported = mContext.getResources()
.getBoolean(R.bool.config_wifi_connected_mac_randomization_supported);
mWifiInfo.setEnableConnectedMacRandomization(mConnectedMacRandomzationSupported);
mWifiMetrics.setIsMacRandomizationOn(mConnectedMacRandomzationSupported);
mTcpBufferSizes = mContext.getResources().getString(
R.string.config_wifi_tcp_buffers);
// CHECKSTYLE:OFF IndentationCheck
addState(mDefaultState);
addState(mConnectModeState, mDefaultState);
addState(mL2ConnectedState, mConnectModeState);
addState(mObtainingIpState, mL2ConnectedState);
addState(mConnectedState, mL2ConnectedState);
addState(mRoamingState, mL2ConnectedState);
addState(mDisconnectingState, mConnectModeState);
addState(mDisconnectedState, mConnectModeState);
// CHECKSTYLE:ON IndentationCheck
setInitialState(mDefaultState);
setLogRecSize(NUM_LOG_RECS_NORMAL);
setLogOnlyTransitions(false);
}
@Override
public void start() {
super.start();
PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
// Learn the initial state of whether the screen is on.
// We update this field when we receive broadcasts from the system.
handleScreenStateChanged(powerManager.isInteractive());
}
private void registerForWifiMonitorEvents() {
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.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.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.ASSOCIATION_REJECTION_EVENT,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.AUTHENTICATION_FAILURE_EVENT,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_CONNECTION_EVENT,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_DISCONNECTION_EVENT,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, CMD_ASSOCIATED_BSSID,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, CMD_TARGET_BSSID,
mWifiMetrics.getHandler());
mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_CONNECTION_EVENT,
mWifiInjector.getWifiLastResortWatchdog().getHandler());
}
private void setMulticastFilter(boolean enabled) {
if (mIpClient != null) {
mIpClient.setMulticastFilter(enabled);
}
}
/**
* Class to implement the MulticastLockManager.FilterController callback.
*/
class McastLockManagerFilterController implements WifiMulticastLockManager.FilterController {
/**
* Start filtering Multicast v4 packets
*/
public void startFilteringMulticastPackets() {
setMulticastFilter(true);
}
/**
* Stop filtering Multicast v4 packets
*/
public void stopFilteringMulticastPackets() {
setMulticastFilter(false);
}
}
class IpClientCallbacksImpl extends IpClientCallbacks {
private final ConditionVariable mWaitForCreationCv = new ConditionVariable(false);
private final ConditionVariable mWaitForStopCv = new ConditionVariable(false);
@Override
public void onIpClientCreated(IIpClient ipClient) {
mIpClient = new IpClientManager(ipClient, getName());
mWaitForCreationCv.open();
}
@Override
public void onPreDhcpAction() {
sendMessage(CMD_PRE_DHCP_ACTION);
}
@Override
public void onPostDhcpAction() {
sendMessage(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);
}
}
@Override
public void onProvisioningSuccess(LinkProperties newLp) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_CONFIGURATION_SUCCESSFUL);
sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp);
sendMessage(CMD_IP_CONFIGURATION_SUCCESSFUL);
}
@Override
public void onProvisioningFailure(LinkProperties newLp) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_CONFIGURATION_LOST);
sendMessage(CMD_IP_CONFIGURATION_LOST);
}
@Override
public void onLinkPropertiesChange(LinkProperties newLp) {
sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp);
}
@Override
public void onReachabilityLost(String logMsg) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_REACHABILITY_LOST);
sendMessage(CMD_IP_REACHABILITY_LOST, logMsg);
}
@Override
public void installPacketFilter(byte[] filter) {
sendMessage(CMD_INSTALL_PACKET_FILTER, filter);
}
@Override
public void startReadPacketFilter() {
sendMessage(CMD_READ_PACKET_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));
}
@Override
public void onQuit() {
mWaitForStopCv.open();
}
boolean awaitCreation() {
return mWaitForCreationCv.block(IPCLIENT_TIMEOUT_MS);
}
boolean awaitShutdown() {
return mWaitForStopCv.block(IPCLIENT_TIMEOUT_MS);
}
}
private void stopIpClient() {
/* Restore power save and suspend optimizations */
handlePostDhcpSetup();
if (mIpClient != null) {
mIpClient.stop();
}
}
/**
* Set wpa_supplicant log level using |mVerboseLoggingLevel| flag.
*/
void setSupplicantLogLevel() {
mWifiNative.setSupplicantLogLevel(mVerboseLoggingEnabled);
}
/**
* Method to update logging level in wifi service related classes.
*
* @param verbose int logging level to use
*/
public 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.enableVerboseLogging(mVerboseLoggingEnabled);
mWifiMonitor.enableVerboseLogging(verbose);
mWifiNative.enableVerboseLogging(verbose);
mWifiConfigManager.enableVerboseLogging(verbose);
mSupplicantStateTracker.enableVerboseLogging(verbose);
mPasspointManager.enableVerboseLogging(verbose);
mNetworkFactory.enableVerboseLogging(verbose);
mLinkProbeManager.enableVerboseLogging(mVerboseLoggingEnabled);
}
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 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(mInterfaceName, ouiBytes);
}
/**
* Initiates connection to a network specified by the user/app. This method checks if the
* requesting app holds the NETWORK_SETTINGS permission.
*
* @param netId Id network to initiate connection.
* @param uid UID of the app requesting the connection.
* @param forceReconnect Whether to force a connection even if we're connected to the same
* network currently.
*/
private boolean connectToUserSelectNetwork(int netId, int uid, boolean forceReconnect) {
logd("connectToUserSelectNetwork netId " + netId + ", uid " + uid
+ ", forceReconnect = " + forceReconnect);
WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(netId);
if (config == null) {
loge("connectToUserSelectNetwork Invalid network Id=" + netId);
return false;
}
if (!mWifiConfigManager.enableNetwork(netId, true, uid)
|| !mWifiConfigManager.updateLastConnectUid(netId, uid)) {
logi("connectToUserSelectNetwork Allowing uid " + uid
+ " with insufficient permissions to connect=" + netId);
} else if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) {
// Note user connect choice here, so that it will be considered in the next network
// selection.
mWifiConnectivityManager.setUserConnectChoice(netId);
}
if (!forceReconnect && mWifiInfo.getNetworkId() == netId) {
// We're already connected to the user specified network, don't trigger a
// reconnection unless it was forced.
logi("connectToUserSelectNetwork already connecting/connected=" + netId);
} else {
mWifiConnectivityManager.prepareForForcedConnection(netId);
if (uid == Process.SYSTEM_UID) {
mWifiMetrics.setNominatorForNetwork(config.networkId,
WifiMetricsProto.ConnectionEvent.NOMINATOR_MANUAL);
}
startConnectToNetwork(netId, uid, SUPPLICANT_BSSID_ANY);
}
return true;
}
/**
* ******************************************************
* Methods exposed for public use
* ******************************************************
*/
/**
* Retrieve a Messenger for the ClientModeImpl Handler
*
* @return Messenger
*/
public Messenger getMessenger() {
return new Messenger(getHandler());
}
// Last connect attempt is used to prevent scan requests:
// - for a period of 10 seconds after attempting to connect
private long mLastConnectAttemptTimestamp = 0;
// For debugging, keep track of last message status handling
// TODO, find an equivalent mechanism as part of parent class
private static final int MESSAGE_HANDLING_STATUS_PROCESSED = 2;
private static final int MESSAGE_HANDLING_STATUS_OK = 1;
private static final int MESSAGE_HANDLING_STATUS_UNKNOWN = 0;
private static final int MESSAGE_HANDLING_STATUS_REFUSED = -1;
private static final int MESSAGE_HANDLING_STATUS_FAIL = -2;
private static final int MESSAGE_HANDLING_STATUS_OBSOLETE = -3;
private static final int MESSAGE_HANDLING_STATUS_DEFERRED = -4;
private static final int MESSAGE_HANDLING_STATUS_DISCARD = -5;
private static final int MESSAGE_HANDLING_STATUS_LOOPED = -6;
private static final int MESSAGE_HANDLING_STATUS_HANDLING_ERROR = -7;
private int mMessageHandlingStatus = 0;
private int mOnTime = 0;
private int mTxTime = 0;
private int mRxTime = 0;
private int mOnTimeScreenStateChange = 0;
private long mLastOntimeReportTimeStamp = 0;
private long mLastScreenStateChangeTimeStamp = 0;
private int mOnTimeLastReport = 0;
private int mTxTimeLastReport = 0;
private int mRxTimeLastReport = 0;
private WifiLinkLayerStats mLastLinkLayerStats;
private long mLastLinkLayerStatsUpdate = 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 - mLastOntimeReportTimeStamp);
mLastOntimeReportTimeStamp = 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 - mLastScreenStateChangeTimeStamp);
sb.append(String.format(" from screen [on:%d period:%d]", on, period));
return sb.toString();
}
WifiLinkLayerStats getWifiLinkLayerStats() {
if (mInterfaceName == null) {
loge("getWifiLinkLayerStats called without an interface");
return null;
}
mLastLinkLayerStatsUpdate = mClock.getWallClockMillis();
WifiLinkLayerStats stats = mWifiNative.getWifiLinkLayerStats(mInterfaceName);
if (stats != null) {
mOnTime = stats.on_time;
mTxTime = stats.tx_time;
mRxTime = stats.rx_time;
mRunningBeaconCount = stats.beacon_rx;
mWifiInfo.updatePacketRates(stats, mLastLinkLayerStatsUpdate);
} else {
long mTxPkts = mFacade.getTxPackets(mInterfaceName);
long mRxPkts = mFacade.getRxPackets(mInterfaceName);
mWifiInfo.updatePacketRates(mTxPkts, mRxPkts, mLastLinkLayerStatsUpdate);
}
return stats;
}
private byte[] getDstMacForKeepalive(KeepalivePacketData packetData)
throws InvalidPacketException {
try {
InetAddress gateway = RouteInfo.selectBestRoute(
mLinkProperties.getRoutes(), packetData.dstAddress).getGateway();
String dstMacStr = macAddressFromRoute(gateway.getHostAddress());
return NativeUtil.macAddressToByteArray(dstMacStr);
} catch (NullPointerException | IllegalArgumentException e) {
throw new InvalidPacketException(SocketKeepalive.ERROR_INVALID_IP_ADDRESS);
}
}
private static int getEtherProtoForKeepalive(KeepalivePacketData packetData)
throws InvalidPacketException {
if (packetData.dstAddress instanceof Inet4Address) {
return OsConstants.ETH_P_IP;
} else if (packetData.dstAddress instanceof Inet6Address) {
return OsConstants.ETH_P_IPV6;
} else {
throw new InvalidPacketException(SocketKeepalive.ERROR_INVALID_IP_ADDRESS);
}
}
private int startWifiIPPacketOffload(int slot, KeepalivePacketData packetData,
int intervalSeconds) {
byte[] packet = null;
byte[] dstMac = null;
int proto = 0;
try {
packet = packetData.getPacket();
dstMac = getDstMacForKeepalive(packetData);
proto = getEtherProtoForKeepalive(packetData);
} catch (InvalidPacketException e) {
return e.error;
}
int ret = mWifiNative.startSendingOffloadedPacket(
mInterfaceName, slot, dstMac, packet, proto, intervalSeconds * 1000);
if (ret != 0) {
loge("startWifiIPPacketOffload(" + slot + ", " + intervalSeconds
+ "): hardware error " + ret);
return SocketKeepalive.ERROR_HARDWARE_ERROR;
} else {
return SocketKeepalive.SUCCESS;
}
}
private int stopWifiIPPacketOffload(int slot) {
int ret = mWifiNative.stopSendingOffloadedPacket(mInterfaceName, slot);
if (ret != 0) {
loge("stopWifiIPPacketOffload(" + slot + "): hardware error " + ret);
return SocketKeepalive.ERROR_HARDWARE_ERROR;
} else {
return SocketKeepalive.SUCCESS;
}
}
private int startRssiMonitoringOffload(byte maxRssi, byte minRssi,
WifiNative.WifiRssiEventHandler rssiHandler) {
return mWifiNative.startRssiMonitoring(mInterfaceName, maxRssi, minRssi, rssiHandler);
}
private int stopRssiMonitoringOffload() {
return mWifiNative.stopRssiMonitoring(mInterfaceName);
}
/**
* Temporary method that allows the active ClientModeManager to set the wifi state that is
* retrieved by API calls. This will be removed when WifiServiceImpl no longer directly calls
* this class (b/31479117).
*
* @param newState new state to set, invalid states are ignored.
*/
public void setWifiStateForApiCalls(int newState) {
switch (newState) {
case WIFI_STATE_DISABLING:
case WIFI_STATE_DISABLED:
case WIFI_STATE_ENABLING:
case WIFI_STATE_ENABLED:
case WIFI_STATE_UNKNOWN:
if (mVerboseLoggingEnabled) {
Log.d(TAG, "setting wifi state to: " + newState);
}
mWifiState.set(newState);
return;
default:
Log.d(TAG, "attempted to set an invalid state: " + newState);
return;
}
}
/**
* Method used by WifiServiceImpl to get the current state of Wifi (in client mode) for API
* calls. This will be removed when WifiService no longer directly calls this class
* (b/31479117).
*/
public int syncGetWifiState() {
return mWifiState.get();
}
/**
* Converts the current wifi state to a printable form.
*/
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]";
}
}
public boolean isConnected() {
return getCurrentState() == mConnectedState;
}
public boolean isDisconnected() {
return getCurrentState() == mDisconnectedState;
}
/**
* Method checking if supplicant is in a transient state
*
* @return boolean true if in transient state
*/
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;
}
/**
* Get status information for the current connection, if any.
*
* @return a {@link WifiInfo} object containing information about the current connection
*/
public WifiInfo syncRequestConnectionInfo() {
WifiInfo result = new WifiInfo(mWifiInfo);
return result;
}
/**
* Method to retrieve the current WifiInfo
*
* @returns WifiInfo
*/
public WifiInfo getWifiInfo() {
return mWifiInfo;
}
/**
* Blocking call to get the current DHCP results
*
* @return DhcpResults current results
*/
public DhcpResults syncGetDhcpResults() {
synchronized (mDhcpResultsLock) {
return new DhcpResults(mDhcpResults);
}
}
/**
* When the underlying interface is destroyed, we must immediately tell connectivity service to
* mark network agent as disconnected and stop the ip client.
*/
public void handleIfaceDestroyed() {
handleNetworkDisconnect();
}
/**
* TODO: doc
*/
public void setOperationalMode(int mode, String ifaceName) {
if (mVerboseLoggingEnabled) {
log("setting operational mode to " + String.valueOf(mode) + " for iface: " + ifaceName);
}
mModeChange = true;
if (mode != CONNECT_MODE) {
// we are disabling client mode... need to exit connect mode now
transitionTo(mDefaultState);
} else {
// do a quick sanity check on the iface name, make sure it isn't null
if (ifaceName != null) {
mInterfaceName = ifaceName;
transitionTo(mDisconnectedState);
} else {
Log.e(TAG, "supposed to enter connect mode, but iface is null -> DefaultState");
transitionTo(mDefaultState);
}
}
// use the CMD_SET_OPERATIONAL_MODE to force the transitions before other messages are
// handled.
sendMessageAtFrontOfQueue(CMD_SET_OPERATIONAL_MODE);
}
/**
* Initiates a system-level bugreport, in a non-blocking fashion.
*/
public void takeBugReport(String bugTitle, String bugDetail) {
mWifiDiagnostics.takeBugReport(bugTitle, bugDetail);
}
/**
* Allow tests to confirm the operational mode for ClientModeImpl for testing.
*/
@VisibleForTesting
protected int getOperationalModeForTest() {
return mOperationalMode;
}
/**
* Retrieve the WifiMulticastLockManager.FilterController callback for registration.
*/
protected WifiMulticastLockManager.FilterController getMcastLockManagerFilterController() {
return mMcastLockManagerFilterController;
}
/**
* Blocking method to retrieve the passpoint icon.
*
* @param channel AsyncChannel for the response
* @param bssid representation of the bssid as a long
* @param fileName name of the file
*
* @return boolean returning the result of the call
*/
public boolean syncQueryPasspointIcon(AsyncChannel channel, long bssid, String fileName) {
Bundle bundle = new Bundle();
bundle.putLong(EXTRA_OSU_ICON_QUERY_BSSID, bssid);
bundle.putString(EXTRA_OSU_ICON_QUERY_FILENAME, fileName);
Message resultMsg = channel.sendMessageSynchronously(CMD_QUERY_OSU_ICON, bundle);
int result = resultMsg.arg1;
resultMsg.recycle();
return result == 1;
}
/**
* Blocking method to match the provider with the current network
*
* @param channel AsyncChannel to use for the response
* @param fqdn
* @return int returns message result
*/
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
}
/**
* Method to disable an ephemeral config for an ssid
*
* @param ssid network name to disable
*/
public void disableEphemeralNetwork(String ssid) {
if (ssid != null) {
sendMessage(CMD_DISABLE_EPHEMERAL_NETWORK, ssid);
}
}
/**
* Disconnect from Access Point
*/
public void disconnectCommand() {
sendMessage(CMD_DISCONNECT);
}
/**
* Method to trigger a disconnect.
*
* @param uid UID of requesting caller
* @param reason disconnect reason
*/
public void disconnectCommand(int uid, int reason) {
sendMessage(CMD_DISCONNECT, uid, reason);
}
/**
* Initiate a reconnection to AP
*/
public void reconnectCommand(WorkSource workSource) {
sendMessage(CMD_RECONNECT, workSource);
}
/**
* Initiate a re-association to AP
*/
public void reassociateCommand() {
sendMessage(CMD_REASSOCIATE);
}
/**
* Checks for a null Message.
*
* This can happen with sendMessageSynchronously, for example if an
* InterruptedException occurs. If this just happens once, silently
* ignore it, because it is probably a side effect of shutting down.
* If it happens a second time, generate a WTF.
*/
private boolean messageIsNull(Message resultMsg) {
if (resultMsg != null) return false;
if (mNullMessageCounter.getAndIncrement() > 0) {
Log.wtf(TAG, "Persistent null Message", new RuntimeException());
}
return true;
}
private AtomicInteger mNullMessageCounter = new AtomicInteger(0);
/**
* 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);
if (messageIsNull(resultMsg)) return WifiConfiguration.INVALID_NETWORK_ID;
int result = resultMsg.arg1;
resultMsg.recycle();
return result;
}
/**
* Get configured networks synchronously
*
* @param channel
* @return
*/
public List<WifiConfiguration> syncGetConfiguredNetworks(int uuid, AsyncChannel channel,
int targetUid) {
Message resultMsg = channel.sendMessageSynchronously(CMD_GET_CONFIGURED_NETWORKS, uuid,
targetUid);
if (messageIsNull(resultMsg)) return null;
List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj;
resultMsg.recycle();
return result;
}
/**
* Blocking call to get the current WifiConfiguration by a privileged caller so private data,
* like the password, is not redacted.
*
* @param channel AsyncChannel to use for the response
* @return List list of configured networks configs
*/
public List<WifiConfiguration> syncGetPrivilegedConfiguredNetwork(AsyncChannel channel) {
Message resultMsg = channel.sendMessageSynchronously(
CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS);
if (messageIsNull(resultMsg)) return null;
List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj;
resultMsg.recycle();
return result;
}
/**
* Returns the list of FQDN (Fully Qualified Domain Name) to installed Passpoint configurations.
*
* Return the map of all matching configurations with corresponding scanResults (or an empty map
* if none).
*
* @param scanResults The list of scan results
* @return Map that consists of FQDN (Fully Qualified Domain Name) and corresponding
* scanResults per network type({@link WifiManager#PASSPOINT_HOME_NETWORK} and {@link
* WifiManager#PASSPOINT_ROAMING_NETWORK}).
*/
@NonNull
Map<String, Map<Integer, List<ScanResult>>> syncGetAllMatchingFqdnsForScanResults(
List<ScanResult> scanResults,
AsyncChannel channel) {
Message resultMsg = channel.sendMessageSynchronously(
CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS,
scanResults);
if (messageIsNull(resultMsg)) return new HashMap<>();
Map<String, Map<Integer, List<ScanResult>>> configs =
(Map<String, Map<Integer, List<ScanResult>>>) resultMsg.obj;
resultMsg.recycle();
return configs;
}
/**
* Retrieve a list of {@link OsuProvider} associated with the given list of ScanResult
* synchronously.
*
* @param scanResults a list of ScanResult that has Passpoint APs.
* @param channel Channel for communicating with the state machine
* @return Map that consists of {@link OsuProvider} and a matching list of {@link ScanResult}.
*/
@NonNull
public Map<OsuProvider, List<ScanResult>> syncGetMatchingOsuProviders(
List<ScanResult> scanResults,
AsyncChannel channel) {
Message resultMsg =
channel.sendMessageSynchronously(CMD_GET_MATCHING_OSU_PROVIDERS, scanResults);
if (messageIsNull(resultMsg)) return new HashMap<>();
Map<OsuProvider, List<ScanResult>> providers =
(Map<OsuProvider, List<ScanResult>>) resultMsg.obj;
resultMsg.recycle();
return providers;
}
/**
* Returns the matching Passpoint configurations for given OSU(Online Sign-Up) Providers
*
* @param osuProviders a list of {@link OsuProvider}
* @param channel AsyncChannel to use for the response
* @return Map that consists of {@link OsuProvider} and matching {@link PasspointConfiguration}.
*/
@NonNull
public Map<OsuProvider, PasspointConfiguration> syncGetMatchingPasspointConfigsForOsuProviders(
List<OsuProvider> osuProviders, AsyncChannel channel) {
Message resultMsg =
channel.sendMessageSynchronously(
CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS, osuProviders);
if (messageIsNull(resultMsg)) return new HashMap<>();
Map<OsuProvider, PasspointConfiguration> result =
(Map<OsuProvider, PasspointConfiguration>) resultMsg.obj;
resultMsg.recycle();
return result;
}
/**
* Returns the corresponding wifi configurations for given FQDN (Fully Qualified Domain Name)
* list.
*
* An empty list will be returned when no match is found.
*
* @param fqdnList a list of FQDN
* @param channel AsyncChannel to use for the response
* @return List of {@link WifiConfiguration} converted from
* {@link com.android.server.wifi.hotspot2.PasspointProvider}
*/
@NonNull
public List<WifiConfiguration> syncGetWifiConfigsForPasspointProfiles(List<String> fqdnList,
AsyncChannel channel) {
Message resultMsg =
channel.sendMessageSynchronously(
CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES, fqdnList);
if (messageIsNull(resultMsg)) return new ArrayList<>();
List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj;
resultMsg.recycle();
return result;
}
/**
* Add or update a Passpoint configuration synchronously.
*
* @param channel Channel for communicating with the state machine
* @param config The configuration to add or update
* @param packageName Package name of the app adding/updating {@code config}.
* @return true on success
*/
public boolean syncAddOrUpdatePasspointConfig(AsyncChannel channel,
PasspointConfiguration config, int uid, String packageName) {
Bundle bundle = new Bundle();
bundle.putInt(EXTRA_UID, uid);
bundle.putString(EXTRA_PACKAGE_NAME, packageName);
bundle.putParcelable(EXTRA_PASSPOINT_CONFIGURATION, config);
Message resultMsg = channel.sendMessageSynchronously(CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG,
bundle);
if (messageIsNull(resultMsg)) return false;
boolean result = (resultMsg.arg1 == SUCCESS);
resultMsg.recycle();
return result;
}
/**
* Remove a Passpoint configuration synchronously.
*
* @param channel Channel for communicating with the state machine
* @param privileged Whether the caller is a privileged entity
* @param fqdn The FQDN of the Passpoint configuration to remove
* @return true on success
*/
public boolean syncRemovePasspointConfig(AsyncChannel channel, boolean privileged,
String fqdn) {
Message resultMsg = channel.sendMessageSynchronously(CMD_REMOVE_PASSPOINT_CONFIG,
privileged ? 1 : 0, 0, fqdn);
if (messageIsNull(resultMsg)) return false;
boolean result = (resultMsg.arg1 == SUCCESS);
resultMsg.recycle();
return result;
}
/**
* Get the list of installed Passpoint configurations synchronously.
*
* @param channel Channel for communicating with the state machine
* @param privileged Whether the caller is a privileged entity
* @return List of {@link PasspointConfiguration}
*/
public List<PasspointConfiguration> syncGetPasspointConfigs(AsyncChannel channel,
boolean privileged) {
Message resultMsg = channel.sendMessageSynchronously(CMD_GET_PASSPOINT_CONFIGS,
privileged ? 1 : 0);
if (messageIsNull(resultMsg)) return null;
List<PasspointConfiguration> result = (List<PasspointConfiguration>) resultMsg.obj;
resultMsg.recycle();
return result;
}
/**
* Start subscription provisioning synchronously
*
* @param provider {@link OsuProvider} the provider to provision with
* @param callback {@link IProvisioningCallback} callback for provisioning status
* @return boolean true indicates provisioning was started, false otherwise
*/
public boolean syncStartSubscriptionProvisioning(int callingUid, OsuProvider provider,
IProvisioningCallback callback, AsyncChannel channel) {
Message msg = Message.obtain();
msg.what = CMD_START_SUBSCRIPTION_PROVISIONING;
msg.arg1 = callingUid;
msg.obj = callback;
msg.getData().putParcelable(EXTRA_OSU_PROVIDER, provider);
Message resultMsg = channel.sendMessageSynchronously(msg);
if (messageIsNull(resultMsg)) return false;
boolean result = resultMsg.arg1 != 0;
resultMsg.recycle();
return result;
}
/**
* Get the supported feature set synchronously
*/
public long syncGetSupportedFeatures(AsyncChannel channel) {
Message resultMsg = channel.sendMessageSynchronously(CMD_GET_SUPPORTED_FEATURES);
if (messageIsNull(resultMsg)) return 0;
long supportedFeatureSet = ((Long) resultMsg.obj).longValue();
resultMsg.recycle();
// Mask the feature set against system properties.
boolean rttSupported = mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_WIFI_RTT);
if (!rttSupported) {
supportedFeatureSet &=
~(WifiManager.WIFI_FEATURE_D2D_RTT | WifiManager.WIFI_FEATURE_D2AP_RTT);
}
return supportedFeatureSet;
}
/**
* Get link layers stats for adapter synchronously
*/
public WifiLinkLayerStats syncGetLinkLayerStats(AsyncChannel channel) {
Message resultMsg = channel.sendMessageSynchronously(CMD_GET_LINK_LAYER_STATS);
if (messageIsNull(resultMsg)) return null;
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);
if (messageIsNull(resultMsg)) return false;
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);
if (messageIsNull(resultMsg)) return false;
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.what != WifiManager.DISABLE_NETWORK_FAILED);
if (messageIsNull(resultMsg)) return false;
resultMsg.recycle();
return result;
}
/**
* Method to enable/disable RSSI polling
* @param enabled boolean idicating if polling should start
*/
public void enableRssiPolling(boolean enabled) {
sendMessage(CMD_ENABLE_RSSI_POLL, enabled ? 1 : 0, 0);
}
/**
* 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() {
synchronized (mNetworkAgentLock) {
if (mNetworkAgent != null) {
return new Network(mNetworkAgent.netId);
} else {
return null;
}
}
}
/**
* 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);
}
/**
* 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);
}
/**
* Update the BatteryStats WorkSource.
*/
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.equals(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) {
}
}
}
/**
* Trigger dump on the class IpClient object.
*/
public void dumpIpClient(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mIpClient != null) {
// All dumpIpClient does is print this log message.
// TODO: consider deleting this, since it's not useful.
pw.println("IpClient logs have moved to dumpsys network_stack");
}
}
@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);
mCountryCode.dump(fd, pw, args);
mNetworkFactory.dump(fd, pw, args);
mUntrustedNetworkFactory.dump(fd, pw, args);
pw.println("Wlan Wake Reasons:" + mWifiNative.getWlanWakeReasonCount());
pw.println();
mWifiConfigManager.dump(fd, pw, args);
pw.println();
mPasspointManager.dump(pw);
pw.println();
mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_USER_ACTION);
mWifiDiagnostics.dump(fd, pw, args);
dumpIpClient(fd, pw, args);
mWifiConnectivityManager.dump(fd, pw, args);
mWifiInjector.getWakeupController().dump(fd, pw, args);
mLinkProbeManager.dump(fd, pw, args);
mWifiInjector.getWifiLastResortWatchdog().dump(fd, pw, args);
}
/**
* Trigger message to handle boot completed event.
*/
public void handleBootCompleted() {
sendMessage(CMD_BOOT_COMPLETED);
}
/**
* Trigger message to handle user switch event.
*/
public void handleUserSwitch(int userId) {
sendMessage(CMD_USER_SWITCH, userId);
}
/**
* Trigger message to handle user unlock event.
*/
public void handleUserUnlock(int userId) {
sendMessage(CMD_USER_UNLOCK, userId);
}
/**
* Trigger message to handle user stop event.
*/
public void handleUserStop(int userId) {
sendMessage(CMD_USER_STOP, userId);
}
/**
* ******************************************************
* Internal private functions
* ******************************************************
*/
private void logStateAndMessage(Message message, State state) {
mMessageHandlingStatus = 0;
if (mVerboseLoggingEnabled) {
logd(" " + state.getClass().getSimpleName() + " " + getLogRecString(message));
}
}
@Override
protected boolean recordLogRec(Message msg) {
switch (msg.what) {
case CMD_RSSI_POLL:
return mVerboseLoggingEnabled;
default:
return true;
}
}
/**
* 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();
sb.append("screen=").append(mScreenOn ? "on" : "off");
if (mMessageHandlingStatus != MESSAGE_HANDLING_STATUS_UNKNOWN) {
sb.append("(").append(mMessageHandlingStatus).append(")");
}
if (msg.sendingUid > 0 && msg.sendingUid != Process.WIFI_UID) {
sb.append(" uid=" + msg.sendingUid);
}
switch (msg.what) {
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:
sb.append(" ");
sb.append(Integer.toString(msg.arg1));
sb.append(" ");
sb.append(Integer.toString(msg.arg2));
config = (WifiConfiguration) msg.obj;
if (config != null) {
sb.append(" ").append(config.configKey());
sb.append(" nid=").append(config.networkId);
if (config.hiddenSSID) {
sb.append(" hidden");
}
if (config.preSharedKey != null
&& !config.preSharedKey.equals("*")) {
sb.append(" hasPSK");
}
if (config.ephemeral) {
sb.append(" ephemeral");
}
if (config.selfAdded) {
sb.append(" selfAdded");
}
sb.append(" cuid=").append(config.creatorUid);
sb.append(" suid=").append(config.lastUpdateUid);
}
break;
case WifiManager.FORGET_NETWORK:
sb.append(" ");
sb.append(Integer.toString(msg.arg1));
sb.append(" ");
sb.append(Integer.toString(msg.arg2));
config = (WifiConfiguration) msg.obj;
if (config != null) {
sb.append(" ").append(config.configKey());
sb.append(" nid=").append(config.networkId);
if (config.hiddenSSID) {
sb.append(" hidden");
}
if (config.preSharedKey != null) {
sb.append(" hasPSK");
}
if (config.ephemeral) {
sb.append(" ephemeral");
}
if (config.selfAdded) {
sb.append(" selfAdded");
}
sb.append(" cuid=").append(config.creatorUid);
sb.append(" suid=").append(config.lastUpdateUid);
WifiConfiguration.NetworkSelectionStatus netWorkSelectionStatus =
config.getNetworkSelectionStatus();
sb.append(" ajst=").append(
netWorkSelectionStatus.getNetworkStatusString());
}
break;
case WifiMonitor.ASSOCIATION_REJECTION_EVENT:
sb.append(" ");
sb.append(" timedOut=" + 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(mDidBlackListBSSID));
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.getLastSelectedNetworkConfigKey();
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(mIsAutoRoaming));
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());
}
break;
case CMD_RSSI_POLL:
case CMD_ONESHOT_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);
}
sb.append(String.format(" score=%d", mWifiInfo.score));
break;
case CMD_START_CONNECT:
case WifiManager.CONNECT_NETWORK:
sb.append(" ");
sb.append(Integer.toString(msg.arg1));
sb.append(" ");
sb.append(Integer.toString(msg.arg2));
config = mWifiConfigManager.getConfiguredNetwork(msg.arg1);
if (config != null) {
sb.append(" ").append(config.configKey());
}
if (mTargetRoamBSSID != null) {
sb.append(" ").append(mTargetRoamBSSID);
}
sb.append(" roam=").append(Boolean.toString(mIsAutoRoaming));
config = getCurrentWifiConfiguration();
if (config != null) {
sb.append(config.configKey());
}
break;
case CMD_START_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(mIsAutoRoaming));
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.getLastSelectedNetworkConfigKey();
if (key != null) {
sb.append(" last=").append(key);
}
config = mWifiConfigManager.getConfiguredNetwork(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.getConfiguredNetworks().size());
break;
case 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 CMD_POST_DHCP_ACTION:
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(mFacade.getIntegerSetting(
mContext, Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT, 0)));
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(mRoamWatchdogCount);
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(mDisconnectingWatchdogCount);
break;
case CMD_START_RSSI_MONITORING_OFFLOAD:
case CMD_STOP_RSSI_MONITORING_OFFLOAD:
case CMD_RSSI_THRESHOLD_BREACHED:
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(" ");
sb.append(/* DhcpResults */ msg.obj);
break;
default:
sb.append(" ");
sb.append(Integer.toString(msg.arg1));
sb.append(" ");
sb.append(Integer.toString(msg.arg2));
break;
}
return sb.toString();
}
@Override
protected String getWhatToString(int what) {
String s = sGetWhatToString.get(what);
if (s != null) {
return s;
}
switch (what) {
case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
s = "CMD_CHANNEL_HALF_CONNECTED";
break;
case AsyncChannel.CMD_CHANNEL_DISCONNECTED:
s = "CMD_CHANNEL_DISCONNECTED";
break;
case WifiManager.DISABLE_NETWORK:
s = "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.SUPPLICANT_STATE_CHANGE_EVENT:
s = "SUPPLICANT_STATE_CHANGE_EVENT";
break;
case WifiMonitor.AUTHENTICATION_FAILURE_EVENT:
s = "AUTHENTICATION_FAILURE_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 = "ANQP_DONE_EVENT";
break;
case WifiMonitor.RX_HS20_ANQP_ICON_EVENT:
s = "RX_HS20_ANQP_ICON_EVENT";
break;
case WifiMonitor.GAS_QUERY_DONE_EVENT:
s = "GAS_QUERY_DONE_EVENT";
break;
case WifiMonitor.HS20_REMEDIATION_EVENT:
s = "HS20_REMEDIATION_EVENT";
break;
case WifiMonitor.GAS_QUERY_START_EVENT:
s = "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_REQUEST:
s = "DISCONNECT_WIFI_REQUEST";
break;
case WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE:
s = "DISCONNECT_WIFI_RESPONSE";
break;
case WifiP2pServiceImpl.SET_MIRACAST_MODE:
s = "SET_MIRACAST_MODE";
break;
case WifiP2pServiceImpl.BLOCK_DISCOVERY:
s = "BLOCK_DISCOVERY";
break;
case WifiManager.RSSI_PKTCNT_FETCH:
s = "RSSI_PKTCNT_FETCH";
break;
default:
s = "what:" + Integer.toString(what);
break;
}
return s;
}
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);
}
}
getWifiLinkLayerStats();
mOnTimeScreenStateChange = mOnTime;
mLastScreenStateChangeTimeStamp = mLastLinkLayerStatsUpdate;
mWifiMetrics.setScreenState(screenOn);
mWifiConnectivityManager.handleScreenStateChanged(screenOn);
mNetworkFactory.handleScreenStateChanged(screenOn);
WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager();
if (wifiLockManager == null) {
Log.w(TAG, "WifiLockManager not initialized, skipping screen state notification");
} else {
wifiLockManager.handleScreenStateChanged(screenOn);
}
mSarManager.handleScreenStateChanged(screenOn);
if (mVerboseLoggingEnabled) log("handleScreenStateChanged Exit: " + screenOn);
}
private boolean checkAndSetConnectivityInstance() {
if (mCm == null) {
mCm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
}
if (mCm == null) {
Log.e(TAG, "Cannot retrieve connectivity service");
return false;
}
return true;
}
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(mInterfaceName, true);
}
} else {
mSuspendOptNeedsDisabled |= reason;
mWifiNative.setSuspendOptimizations(mInterfaceName, false);
}
}
/**
* Makes a record of the user intent about suspend optimizations.
*/
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);
}
/*
* Fetch RSSI, linkspeed, and frequency on current connection
*/
private void fetchRssiLinkSpeedAndFrequencyNative() {
WifiNative.SignalPollResult pollResult = mWifiNative.signalPoll(mInterfaceName);
if (pollResult == null) {
return;
}
int newRssi = pollResult.currentRssi;
int newTxLinkSpeed = pollResult.txBitrate;
int newFrequency = pollResult.associationFrequency;
int newRxLinkSpeed = pollResult.rxBitrate;
if (mVerboseLoggingEnabled) {
logd("fetchRssiLinkSpeedAndFrequencyNative rssi=" + newRssi
+ " TxLinkspeed=" + newTxLinkSpeed + " freq=" + newFrequency
+ " RxLinkSpeed=" + newRxLinkSpeed);
}
if (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) {
Log.wtf(TAG, "Error! +ve value RSSI: " + newRssi);
newRssi -= 256;
}
mWifiInfo.setRssi(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();
sendRssiChangeBroadcast(newRssi);
}
mLastSignalLevel = newSignalLevel;
} else {
mWifiInfo.setRssi(WifiInfo.INVALID_RSSI);
updateCapabilities();
}
/*
* set Tx link speed only if it is valid
*/
if (newTxLinkSpeed > 0) {
mWifiInfo.setLinkSpeed(newTxLinkSpeed);
mWifiInfo.setTxLinkSpeedMbps(newTxLinkSpeed);
}
/*
* set Rx link speed only if it is valid
*/
if (newRxLinkSpeed > 0) {
mWifiInfo.setRxLinkSpeedMbps(newRxLinkSpeed);
}
if (newFrequency > 0) {
mWifiInfo.setFrequency(newFrequency);
}
mWifiConfigManager.updateScanDetailCacheFromWifiInfo(mWifiInfo);
/*
* Increment various performance metrics
*/
mWifiMetrics.handlePollResult(mWifiInfo);
}
// Polling has completed, hence we won't have a score anymore
private void cleanWifiScore() {
mWifiInfo.txBadRate = 0;
mWifiInfo.txSuccessRate = 0;
mWifiInfo.txRetriesRate = 0;
mWifiInfo.rxSuccessRate = 0;
mWifiScoreReport.reset();
mLastLinkLayerStats = null;
}
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 IpClient 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 IpClient#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);
}
private void sendRssiChangeBroadcast(final int newRssi) {
try {
mBatteryStats.noteWifiRssiChanged(newRssi);
} catch (RemoteException e) {
// Won't happen.
}
StatsLog.write(StatsLog.WIFI_SIGNAL_STRENGTH_CHANGED,
WifiManager.calculateSignalLevel(newRssi, WifiManager.RSSI_LEVELS));
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.sendBroadcastAsUser(intent, UserHandle.ALL,
android.Manifest.permission.ACCESS_WIFI_STATE);
}
private void sendNetworkStateChangeBroadcast(String bssid) {
Intent intent = new Intent(WifiManager.NETWORK_STATE_CHANGED_ACTION);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
NetworkInfo networkInfo = new NetworkInfo(mNetworkInfo);
networkInfo.setExtraInfo(null);
intent.putExtra(WifiManager.EXTRA_NETWORK_INFO, networkInfo);
//TODO(b/69974497) This should be non-sticky, but settings needs fixing first.
mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
}
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);
}
/**
* Helper method used to send state about supplicant - This is NOT information about the current
* wifi connection state.
*
* TODO: b/79504296 This broadcast has been deprecated and should be removed
*/
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 (mIsAutoRoaming) {
// 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 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 roaming is 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 (hidden) {
return false;
}
if (state != mNetworkInfo.getDetailedState()) {
mNetworkInfo.setDetailedState(state, null, null);
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;
mWifiScoreCard.noteSupplicantStateChanging(mWifiInfo, 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);
// Network id and SSID are only valid when we start connecting
if (SupplicantState.isConnecting(state)) {
mWifiInfo.setNetworkId(stateChangeResult.networkId);
mWifiInfo.setBSSID(stateChangeResult.BSSID);
mWifiInfo.setSSID(stateChangeResult.wifiSsid);
} else {
// Reset parameters according to WifiInfo.reset()
mWifiInfo.setNetworkId(WifiConfiguration.INVALID_NETWORK_ID);
mWifiInfo.setBSSID(null);
mWifiInfo.setSSID(null);
}
updateL2KeyAndGroupHint();
// SSID might have been updated, so call updateCapabilities
updateCapabilities();
final WifiConfiguration config = getCurrentWifiConfiguration();
if (config != null) {
mWifiInfo.setEphemeral(config.ephemeral);
mWifiInfo.setTrusted(config.trusted);
mWifiInfo.setOsuAp(config.osu);
if (config.fromWifiNetworkSpecifier || config.fromWifiNetworkSuggestion) {
mWifiInfo.setNetworkSuggestionOrSpecifierPackageName(config.creatorName);
}
// Set meteredHint if scan result says network is expensive
ScanDetailCache scanDetailCache = mWifiConfigManager.getScanDetailCacheForNetwork(
config.networkId);
if (scanDetailCache != null) {
ScanDetail scanDetail = scanDetailCache.getScanDetail(stateChangeResult.BSSID);
if (scanDetail != null) {
mWifiInfo.setFrequency(scanDetail.getScanResult().frequency);
NetworkDetail networkDetail = scanDetail.getNetworkDetail();
if (networkDetail != null
&& networkDetail.getAnt() == NetworkDetail.Ant.ChargeablePublic) {
mWifiInfo.setMeteredHint(true);
}
}
}
}
mSupplicantStateTracker.sendMessage(Message.obtain(message));
mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo);
return state;
}
/**
* Tells IpClient what L2Key and GroupHint to use for IpMemoryStore.
*/
private void updateL2KeyAndGroupHint() {
if (mIpClient != null) {
Pair<String, String> p = mWifiScoreCard.getL2KeyAndGroupHint(mWifiInfo);
if (!p.equals(mLastL2KeyAndGroupHint)) {
if (mIpClient.setL2KeyAndGroupHint(p.first, p.second)) {
mLastL2KeyAndGroupHint = p;
} else {
mLastL2KeyAndGroupHint = null;
}
}
}
}
private @Nullable Pair<String, String> mLastL2KeyAndGroupHint = null;
/**
* 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());
}
WifiConfiguration wifiConfig = getCurrentWifiConfiguration();
if (wifiConfig != null) {
ScanResultMatchInfo matchInfo = ScanResultMatchInfo.fromWifiConfiguration(wifiConfig);
mWifiInjector.getWakeupController().setLastDisconnectInfo(matchInfo);
mWifiNetworkSuggestionsManager.handleDisconnect(wifiConfig, getCurrentBSSID());
}
stopRssiMonitoringOffload();
clearTargetBssid("handleNetworkDisconnect");
stopIpClient();
/* Reset data structures */
mWifiScoreReport.reset();
mWifiInfo.reset();
/* Reset roaming parameters */
mIsAutoRoaming = false;
setNetworkDetailedState(DetailedState.DISCONNECTED);
synchronized (mNetworkAgentLock) {
if (mNetworkAgent != null) {
mNetworkAgent.sendNetworkInfo(mNetworkInfo);
mNetworkAgent = null;
}
}
/* Clear network properties */
clearLinkProperties();
/* Cend event to CM & network change broadcast */
sendNetworkStateChangeBroadcast(mLastBssid);
mLastBssid = null;
mLastLinkLayerStats = null;
registerDisconnected();
mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
mWifiScoreCard.resetConnectionState();
updateL2KeyAndGroupHint();
}
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(
mInterfaceName, 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);
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 = CMD_PRE_DHCP_ACTION_COMPLETE;
msg.obj = ClientModeImpl.this;
mWifiP2pChannel.sendMessage(msg);
} else {
// If the p2p service is not running, we can proceed directly.
sendMessage(CMD_PRE_DHCP_ACTION_COMPLETE);
}
}
void handlePostDhcpSetup() {
/* Restore power save and suspend optimizations */
setSuspendOptimizationsNative(SUSPEND_DUE_TO_DHCP, true);
setPowerSave(true);
p2pSendMessage(WifiP2pServiceImpl.BLOCK_DISCOVERY, WifiP2pServiceImpl.DISABLED);
// Set the coexistence mode back to its default value
mWifiNative.setBluetoothCoexistenceMode(
mInterfaceName, WifiNative.BLUETOOTH_COEXISTENCE_MODE_SENSE);
}
/**
* Set power save mode
*
* @param ps true to enable power save (default behavior)
* false to disable power save.
* @return true for success, false for failure
*/
public boolean setPowerSave(boolean ps) {
if (mInterfaceName != null) {
if (mVerboseLoggingEnabled) {
Log.d(TAG, "Setting power save for: " + mInterfaceName + " to: " + ps);
}
mWifiNative.setPowerSave(mInterfaceName, ps);
} else {
Log.e(TAG, "Failed to setPowerSave, interfaceName is null");
return false;
}
return true;
}
/**
* Set low latency mode
*
* @param enabled true to enable low latency
* false to disable low latency (default behavior).
* @return true for success, false for failure
*/
public boolean setLowLatencyMode(boolean enabled) {
if (mVerboseLoggingEnabled) {
Log.d(TAG, "Setting low latency mode to " + enabled);
}
if (!mWifiNative.setLowLatencyMode(enabled)) {
Log.e(TAG, "Failed to setLowLatencyMode");
return false;
}
return true;
}
@VisibleForTesting
public static final long DIAGS_CONNECT_TIMEOUT_MILLIS = 60 * 1000;
/**
* Inform other components that a new connection attempt is starting.
*/
private void reportConnectionAttemptStart(
WifiConfiguration config, String targetBSSID, int roamType) {
mWifiMetrics.startConnectionEvent(config, targetBSSID, roamType);
mWifiDiagnostics.reportConnectionEvent(WifiDiagnostics.CONNECTION_EVENT_STARTED);
mWrongPasswordNotifier.onNewConnectionAttempt();
removeMessages(CMD_DIAGS_CONNECT_TIMEOUT);
sendMessageDelayed(CMD_DIAGS_CONNECT_TIMEOUT, DIAGS_CONNECT_TIMEOUT_MILLIS);
}
private void handleConnectionAttemptEndForDiagnostics(int level2FailureCode) {
switch (level2FailureCode) {
case WifiMetrics.ConnectionEvent.FAILURE_NONE:
break;
case WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED:
// WifiDiagnostics doesn't care about pre-empted connections, or cases
// where we failed to initiate a connection attempt with supplicant.
break;
default:
removeMessages(CMD_DIAGS_CONNECT_TIMEOUT);
mWifiDiagnostics.reportConnectionEvent(WifiDiagnostics.CONNECTION_EVENT_FAILED);
}
}
/**
* Inform other components (WifiMetrics, WifiDiagnostics, WifiConnectivityManager, etc.) that
* the current connection attempt has concluded.
*/
private void reportConnectionAttemptEnd(int level2FailureCode, int connectivityFailureCode,
int level2FailureReason) {
if (level2FailureCode != WifiMetrics.ConnectionEvent.FAILURE_NONE) {
mWifiScoreCard.noteConnectionFailure(mWifiInfo,
level2FailureCode, connectivityFailureCode);
}
// if connected, this should be non-null.
WifiConfiguration configuration = getCurrentWifiConfiguration();
if (configuration == null) {
// If not connected, this should be non-null.
configuration = getTargetWifiConfiguration();
}
mWifiMetrics.endConnectionEvent(level2FailureCode, connectivityFailureCode,
level2FailureReason);
mWifiConnectivityManager.handleConnectionAttemptEnded(level2FailureCode);
if (configuration != null) {
mNetworkFactory.handleConnectionAttemptEnded(level2FailureCode, configuration);
mWifiNetworkSuggestionsManager.handleConnectionAttemptEnded(
level2FailureCode, configuration, getCurrentBSSID());
}
handleConnectionAttemptEndForDiagnostics(level2FailureCode);
}
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 (mIsAutoRoaming) {
int previousAddress = mWifiInfo.getIpAddress();
int newAddress = NetworkUtils.inetAddressToInt(addr);
if (previousAddress != newAddress) {
logd("handleIPv4Success, roaming and address changed"
+ mWifiInfo + " got: " + addr);
}
}
mWifiInfo.setInetAddress(addr);
final WifiConfiguration config = getCurrentWifiConfiguration();
if (config != null) {
mWifiInfo.setEphemeral(config.ephemeral);
mWifiInfo.setTrusted(config.trusted);
}
// Set meteredHint if DHCP result says network is metered
if (dhcpResults.hasMeteredHint()) {
mWifiInfo.setMeteredHint(true);
}
updateCapabilities(config);
}
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);
}
mWifiScoreCard.noteIpConfiguration(mWifiInfo);
}
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,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
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(mInterfaceName);
}
private void handleIpReachabilityLost() {
mWifiScoreCard.noteIpReachabilityLost(mWifiInfo);
mWifiInfo.setInetAddress(null);
mWifiInfo.setMeteredHint(false);
// Disconnect via supplicant, and let autojoin retry connecting to the network.
mWifiNative.disconnect(mInterfaceName);
}
/*
* Read a MAC address in /proc/arp/table, used by ClientModeImpl
* 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 column 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;
}
/**
* Determine if the specified auth failure is considered to be a permanent wrong password
* failure. The criteria for such failure is when wrong password error is detected
* and the network had never been connected before.
*
* For networks that have previously connected successfully, we consider wrong password
* failures to be temporary, to be on the conservative side. Since this might be the
* case where we are trying to connect to a wrong network (e.g. A network with same SSID
* but different password).
*/
private boolean isPermanentWrongPasswordFailure(int networkId, int reasonCode) {
if (reasonCode != WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD) {
return false;
}
WifiConfiguration network = mWifiConfigManager.getConfiguredNetwork(networkId);
if (network != null && network.getNetworkSelectionStatus().getHasEverConnected()) {
return false;
}
return true;
}
void registerNetworkFactory() {
if (!checkAndSetConnectivityInstance()) return;
mNetworkFactory.register();
mUntrustedNetworkFactory.register();
}
/**
* ClientModeImpl needs to enable/disable other services when wifi is in client mode. This
* method allows ClientModeImpl to get these additional system services.
*
* At this time, this method is used to setup variables for P2P service and Wifi Aware.
*/
private void getAdditionalWifiServiceInterfaces() {
// First set up Wifi Direct
if (mP2pSupported) {
IBinder s1 = mFacade.getService(Context.WIFI_P2P_SERVICE);
WifiP2pServiceImpl wifiP2pServiceImpl =
(WifiP2pServiceImpl) IWifiP2pManager.Stub.asInterface(s1);
if (wifiP2pServiceImpl != null) {
mWifiP2pChannel = new AsyncChannel();
mWifiP2pChannel.connect(mContext, getHandler(),
wifiP2pServiceImpl.getP2pStateMachineMessenger());
}
}
}
/**
* Dynamically change the MAC address to use the locally randomized
* MAC address generated for each network.
* @param config WifiConfiguration with mRandomizedMacAddress to change into. If the address
* is masked out or not set, it will generate a new random MAC address.
*/
private void configureRandomizedMacAddress(WifiConfiguration config) {
if (config == null) {
Log.e(TAG, "No config to change MAC address to");
return;
}
MacAddress currentMac = MacAddress.fromString(mWifiNative.getMacAddress(mInterfaceName));
MacAddress newMac = config.getOrCreateRandomizedMacAddress();
mWifiConfigManager.setNetworkRandomizedMacAddress(config.networkId, newMac);
if (!WifiConfiguration.isValidMacAddressForRandomization(newMac)) {
Log.wtf(TAG, "Config generated an invalid MAC address");
} else if (currentMac.equals(newMac)) {
Log.d(TAG, "No changes in MAC address");
} else {
mWifiMetrics.logStaEvent(StaEvent.TYPE_MAC_CHANGE, config);
boolean setMacSuccess =
mWifiNative.setMacAddress(mInterfaceName, newMac);
Log.d(TAG, "ConnectedMacRandomization SSID(" + config.getPrintableSsid()
+ "). setMacAddress(" + newMac.toString() + ") from "
+ currentMac.toString() + " = " + setMacSuccess);
}
}
/**
* Sets the current MAC to the factory MAC address.
*/
private void setCurrentMacToFactoryMac(WifiConfiguration config) {
MacAddress factoryMac = mWifiNative.getFactoryMacAddress(mInterfaceName);
if (factoryMac == null) {
Log.e(TAG, "Fail to set factory MAC address. Factory MAC is null.");
return;
}
String currentMacStr = mWifiNative.getMacAddress(mInterfaceName);
if (!TextUtils.equals(currentMacStr, factoryMac.toString())) {
if (mWifiNative.setMacAddress(mInterfaceName, factoryMac)) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_MAC_CHANGE, config);
} else {
Log.e(TAG, "Failed to set MAC address to " + "'" + factoryMac.toString() + "'");
}
}
}
/**
* Helper method to check if Connected MAC Randomization is supported - onDown events are
* skipped if this feature is enabled (b/72459123).
*
* @return boolean true if Connected MAC randomization is supported, false otherwise
*/
public boolean isConnectedMacRandomizationEnabled() {
return mConnectedMacRandomzationSupported;
}
/**
* Helper method allowing ClientModeManager to report an error (interface went down) and trigger
* recovery.
*
* @param reason int indicating the SelfRecovery failure type.
*/
public void failureDetected(int reason) {
// report a failure
mWifiInjector.getSelfRecovery().trigger(SelfRecovery.REASON_STA_IFACE_DOWN);
}
/********************************************************
* HSM states
*******************************************************/
class DefaultState extends State {
@Override
public boolean processMessage(Message message) {
boolean handleStatus = HANDLED;
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 {
// TODO: We should probably do some cleanup or attempt a retry
// b/34283611
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 (b/34283611)
// mWifiP2pChannel.connect(mContext, getHandler(),
// mWifiP2pManager.getMessenger());
}
break;
}
case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE:
mBluetoothConnectionActive =
(message.arg1 != BluetoothAdapter.STATE_DISCONNECTED);
break;
case CMD_ENABLE_NETWORK:
boolean disableOthers = message.arg2 == 1;
int netId = message.arg1;
boolean ok = mWifiConfigManager.enableNetwork(
netId, disableOthers, message.sendingUid);
if (!ok) {
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
}
replyToMessage(message, message.what, ok ? SUCCESS : FAILURE);
break;
case CMD_ADD_OR_UPDATE_NETWORK:
WifiConfiguration config = (WifiConfiguration) message.obj;
NetworkUpdateResult result =
mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid);
if (!result.isSuccess()) {
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
}
replyToMessage(message, message.what, result.getNetworkId());
break;
case CMD_REMOVE_NETWORK:
deleteNetworkConfigAndSendReply(message, false);
break;
case CMD_GET_CONFIGURED_NETWORKS:
replyToMessage(message, message.what,
mWifiConfigManager.getSavedNetworks(message.arg2));
break;
case CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS:
replyToMessage(message, message.what,
mWifiConfigManager.getConfiguredNetworksWithPasswords());
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_INITIALIZE:
ok = mWifiNative.initialize();
mPasspointManager.initializeProvisioner(
mWifiInjector.getWifiServiceHandlerThread().getLooper());
replyToMessage(message, message.what, ok ? SUCCESS : FAILURE);
break;
case CMD_BOOT_COMPLETED:
// get other services that we need to manage
getAdditionalWifiServiceInterfaces();
new MemoryStoreImpl(mContext, mWifiInjector, mWifiScoreCard).start();
if (!mWifiConfigManager.loadFromStore()) {
Log.e(TAG, "Failed to load from config store");
}
registerNetworkFactory();
break;
case CMD_SCREEN_STATE_CHANGED:
handleScreenStateChanged(message.arg1 != 0);
break;
case CMD_DISCONNECT:
case CMD_RECONNECT:
case CMD_REASSOCIATE:
case WifiMonitor.NETWORK_CONNECTION_EVENT:
case WifiMonitor.NETWORK_DISCONNECTION_EVENT:
case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT:
case WifiMonitor.AUTHENTICATION_FAILURE_EVENT:
case WifiMonitor.ASSOCIATION_REJECTION_EVENT:
case CMD_RSSI_POLL:
case CMD_ONESHOT_RSSI_POLL:
case CMD_PRE_DHCP_ACTION:
case CMD_PRE_DHCP_ACTION_COMPLETE:
case CMD_POST_DHCP_ACTION:
case WifiMonitor.SUP_REQUEST_IDENTITY:
case WifiMonitor.SUP_REQUEST_SIM_AUTH:
case CMD_TARGET_BSSID:
case CMD_START_CONNECT:
case CMD_START_ROAM:
case CMD_ASSOCIATED_BSSID:
case CMD_UNWANTED_NETWORK:
case CMD_DISCONNECTING_WATCHDOG_TIMER:
case CMD_ROAM_WATCHDOG_TIMER:
case CMD_DISABLE_EPHEMERAL_NETWORK:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case CMD_SET_OPERATIONAL_MODE:
// using the CMD_SET_OPERATIONAL_MODE (sent at front of queue) to trigger the
// state transitions performed in setOperationalMode.
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 WifiManager.CONNECT_NETWORK:
replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED,
WifiManager.BUSY);
break;
case WifiManager.FORGET_NETWORK:
deleteNetworkConfigAndSendReply(message, true);
break;
case WifiManager.SAVE_NETWORK:
saveNetworkConfigAndSendReply(message);
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:
long featureSet = (mWifiNative.getSupportedFeatureSet(mInterfaceName));
replyToMessage(message, message.what, Long.valueOf(featureSet));
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_OSU_PROVIDERS:
replyToMessage(message, message.what, new HashMap<>());
break;
case CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS:
replyToMessage(message, message.what,
new HashMap<OsuProvider, PasspointConfiguration>());
break;
case CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES:
replyToMessage(message, message.what, new ArrayList<>());
break;
case CMD_START_SUBSCRIPTION_PROVISIONING:
replyToMessage(message, message.what, 0);
break;
case CMD_IP_CONFIGURATION_SUCCESSFUL:
case CMD_IP_CONFIGURATION_LOST:
case CMD_IP_REACHABILITY_LOST:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case CMD_REMOVE_APP_CONFIGURATIONS:
deferMessage(message);
break;
case CMD_REMOVE_USER_CONFIGURATIONS:
deferMessage(message);
break;
case CMD_START_IP_PACKET_OFFLOAD:
/* fall-through */
case CMD_STOP_IP_PACKET_OFFLOAD:
case CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF:
case CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF:
if (mNetworkAgent != null) {
mNetworkAgent.onSocketKeepaliveEvent(message.arg1,
SocketKeepalive.ERROR_INVALID_NETWORK);
}
break;
case CMD_START_RSSI_MONITORING_OFFLOAD:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case CMD_STOP_RSSI_MONITORING_OFFLOAD:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case CMD_USER_SWITCH:
Set<Integer> removedNetworkIds =
mWifiConfigManager.handleUserSwitch(message.arg1);
if (removedNetworkIds.contains(mTargetNetworkId)
|| removedNetworkIds.contains(mLastNetworkId)) {
// Disconnect and let autojoin reselect a new network
sendMessage(CMD_DISCONNECT);
}
break;
case CMD_USER_UNLOCK:
mWifiConfigManager.handleUserUnlock(message.arg1);
break;
case CMD_USER_STOP:
mWifiConfigManager.handleUserStop(message.arg1);
break;
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_ADD_OR_UPDATE_PASSPOINT_CONFIG:
Bundle bundle = (Bundle) message.obj;
int addResult = mPasspointManager.addOrUpdateProvider(bundle.getParcelable(
EXTRA_PASSPOINT_CONFIGURATION),
bundle.getInt(EXTRA_UID),
bundle.getString(EXTRA_PACKAGE_NAME))
? SUCCESS : FAILURE;
replyToMessage(message, message.what, addResult);
break;
case CMD_REMOVE_PASSPOINT_CONFIG:
int removeResult = mPasspointManager.removeProvider(
message.sendingUid, message.arg1 == 1, (String) message.obj)
? SUCCESS : FAILURE;
replyToMessage(message, message.what, removeResult);
break;
case CMD_GET_PASSPOINT_CONFIGS:
replyToMessage(message, message.what, mPasspointManager.getProviderConfigs(
message.sendingUid, message.arg1 == 1));
break;
case CMD_RESET_SIM_NETWORKS:
/* Defer this message until supplicant is started. */
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED;
deferMessage(message);
break;
case CMD_INSTALL_PACKET_FILTER:
mWifiNative.installPacketFilter(mInterfaceName, (byte[]) message.obj);
break;
case CMD_READ_PACKET_FILTER:
byte[] data = mWifiNative.readPacketFilter(mInterfaceName);
if (mIpClient != null) {
mIpClient.readPacketFilterComplete(data);
}
break;
case CMD_SET_FALLBACK_PACKET_FILTERING:
if ((boolean) message.obj) {
mWifiNative.startFilteringMulticastV4Packets(mInterfaceName);
} else {
mWifiNative.stopFilteringMulticastV4Packets(mInterfaceName);
}
break;
case CMD_DIAGS_CONNECT_TIMEOUT:
mWifiDiagnostics.reportConnectionEvent(
BaseWifiDiagnostics.CONNECTION_EVENT_TIMEOUT);
break;
case CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS:
replyToMessage(message, message.what, new HashMap<>());
break;
case 0:
// We want to notice any empty messages (with what == 0) that might crop up.
// For example, we may have recycled a message sent to multiple handlers.
Log.wtf(TAG, "Error! empty message encountered");
break;
default:
loge("Error! unhandled message" + message);
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
}
/**
* Helper method to start other services and get state ready for client mode
*/
private void setupClientMode() {
Log.d(TAG, "setupClientMode() ifacename = " + mInterfaceName);
setHighPerfModeEnabled(false);
mWifiStateTracker.updateState(WifiStateTracker.INVALID);
mIpClientCallbacks = new IpClientCallbacksImpl();
mFacade.makeIpClient(mContext, mInterfaceName, mIpClientCallbacks);
if (!mIpClientCallbacks.awaitCreation()) {
loge("Timeout waiting for IpClient");
}
setMulticastFilter(true);
registerForWifiMonitorEvents();
mWifiInjector.getWifiLastResortWatchdog().clearAllFailureCounts();
setSupplicantLogLevel();
// reset state related to supplicant starting
mSupplicantStateTracker.sendMessage(CMD_RESET_SUPPLICANT_STATE);
// Initialize data structures
mLastBssid = null;
mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
mLastSignalLevel = -1;
mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName));
// TODO: b/79504296 This broadcast has been deprecated and should be removed
sendSupplicantConnectionChangedBroadcast(true);
mWifiNative.setExternalSim(mInterfaceName, true);
setRandomMacOui();
mCountryCode.setReadyForChange(true);
mWifiDiagnostics.startPktFateMonitoring(mInterfaceName);
mWifiDiagnostics.startLogging(mInterfaceName);
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(mInterfaceName, 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
// IpClient.Callback.setFallbackMulticastFilter()
mWifiNative.stopFilteringMulticastV4Packets(mInterfaceName);
mWifiNative.stopFilteringMulticastV6Packets(mInterfaceName);
// Set the right suspend mode settings
mWifiNative.setSuspendOptimizations(mInterfaceName, mSuspendOptNeedsDisabled == 0
&& mUserWantsSuspendOpt.get());
setPowerSave(true);
// Disable wpa_supplicant from auto reconnecting.
mWifiNative.enableStaAutoReconnect(mInterfaceName, false);
// STA has higher priority over P2P
mWifiNative.setConcurrencyPriority(true);
}
/**
* Helper method to stop external services and clean up state from client mode.
*/
private void stopClientMode() {
// exiting supplicant started state is now only applicable to client mode
mWifiDiagnostics.stopLogging(mInterfaceName);
mIsRunning = false;
updateBatteryWorkSource(null);
if (mIpClient != null && mIpClient.shutdown()) {
// Block to make sure IpClient has really shut down, lest cleanup
// race with, say, bringup code over in tethering.
mIpClientCallbacks.awaitShutdown();
}
mNetworkInfo.setIsAvailable(false);
if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo);
mCountryCode.setReadyForChange(false);
mInterfaceName = null;
// TODO: b/79504296 This broadcast has been deprecated and should be removed
sendSupplicantConnectionChangedBroadcast(false);
// Let's remove any ephemeral or passpoint networks.
mWifiConfigManager.removeAllEphemeralOrPasspointConfiguredNetworks();
}
void registerConnected() {
if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) {
mWifiConfigManager.updateNetworkAfterConnect(mLastNetworkId);
// Notify PasspointManager of Passpoint network connected event.
WifiConfiguration currentNetwork = getCurrentWifiConfiguration();
if (currentNetwork != null && currentNetwork.isPasspoint()) {
mPasspointManager.onPasspointNetworkConnected(currentNetwork.FQDN);
}
}
}
void registerDisconnected() {
if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) {
mWifiConfigManager.updateNetworkAfterDisconnect(mLastNetworkId);
}
}
/**
* Returns WifiConfiguration object corresponding to the currently connected network, null if
* not connected.
*/
public WifiConfiguration getCurrentWifiConfiguration() {
if (mLastNetworkId == WifiConfiguration.INVALID_NETWORK_ID) {
return null;
}
return mWifiConfigManager.getConfiguredNetwork(mLastNetworkId);
}
private WifiConfiguration getTargetWifiConfiguration() {
if (mTargetNetworkId == WifiConfiguration.INVALID_NETWORK_ID) {
return null;
}
return mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId);
}
ScanResult getCurrentScanResult() {
WifiConfiguration config = getCurrentWifiConfiguration();
if (config == null) {
return null;
}
String bssid = mWifiInfo.getBSSID();
if (bssid == null) {
bssid = mTargetRoamBSSID;
}
ScanDetailCache scanDetailCache =
mWifiConfigManager.getScanDetailCacheForNetwork(config.networkId);
if (scanDetailCache == null) {
return null;
}
return scanDetailCache.getScanResult(bssid);
}
String getCurrentBSSID() {
return mLastBssid;
}
class ConnectModeState extends State {
@Override
public void enter() {
Log.d(TAG, "entering ConnectModeState: ifaceName = " + mInterfaceName);
mOperationalMode = CONNECT_MODE;
setupClientMode();
if (!mWifiNative.removeAllNetworks(mInterfaceName)) {
loge("Failed to remove networks on entering connect mode");
}
mWifiInfo.reset();
mWifiInfo.setSupplicantState(SupplicantState.DISCONNECTED);
mWifiInjector.getWakeupController().reset();
mNetworkInfo.setIsAvailable(true);
if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo);
// initialize network state
setNetworkDetailedState(DetailedState.DISCONNECTED);
// Inform WifiConnectivityManager that Wifi is enabled
mWifiConnectivityManager.setWifiEnabled(true);
mNetworkFactory.setWifiState(true);
// Inform metrics that Wifi is Enabled (but not yet connected)
mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISCONNECTED);
mWifiMetrics.logStaEvent(StaEvent.TYPE_WIFI_ENABLED);
// Inform sar manager that wifi is Enabled
mSarManager.setClientWifiState(WifiManager.WIFI_STATE_ENABLED);
mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo);
}
@Override
public void exit() {
mOperationalMode = DISABLED_MODE;
// Let the system know that wifi is not available since we are exiting client mode.
mNetworkInfo.setIsAvailable(false);
if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo);
// Inform WifiConnectivityManager that Wifi is disabled
mWifiConnectivityManager.setWifiEnabled(false);
mNetworkFactory.setWifiState(false);
// Inform metrics that Wifi is being disabled (Toggled, airplane enabled, etc)
mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISABLED);
mWifiMetrics.logStaEvent(StaEvent.TYPE_WIFI_DISABLED);
// Inform scorecard that wifi is being disabled
mWifiScoreCard.noteWifiDisabled(mWifiInfo);
// Inform sar manager that wifi is being disabled
mSarManager.setClientWifiState(WifiManager.WIFI_STATE_DISABLED);
if (!mWifiNative.removeAllNetworks(mInterfaceName)) {
loge("Failed to remove networks on exiting connect mode");
}
mWifiInfo.reset();
mWifiInfo.setSupplicantState(SupplicantState.DISCONNECTED);
mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo);
stopClientMode();
}
@Override
public boolean processMessage(Message message) {
WifiConfiguration config;
int netId;
boolean ok;
boolean didDisconnect;
String bssid;
String ssid;
NetworkUpdateResult result;
Set<Integer> removedNetworkIds;
int reasonCode;
boolean timedOut;
boolean handleStatus = HANDLED;
switch (message.what) {
case WifiMonitor.ASSOCIATION_REJECTION_EVENT:
mWifiDiagnostics.captureBugReportData(
WifiDiagnostics.REPORT_REASON_ASSOC_FAILURE);
mDidBlackListBSSID = false;
bssid = (String) message.obj;
timedOut = message.arg1 > 0;
reasonCode = message.arg2;
Log.d(TAG, "Association Rejection event: bssid=" + bssid + " reason code="
+ reasonCode + " timedOut=" + Boolean.toString(timedOut));
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
mDidBlackListBSSID = mWifiConnectivityManager.trackBssid(bssid, false,
reasonCode);
}
mWifiConfigManager.updateNetworkSelectionStatus(mTargetNetworkId,
WifiConfiguration.NetworkSelectionStatus
.DISABLED_ASSOCIATION_REJECTION);
mWifiConfigManager.setRecentFailureAssociationStatus(mTargetNetworkId,
reasonCode);
mSupplicantStateTracker.sendMessage(WifiMonitor.ASSOCIATION_REJECTION_EVENT);
// If rejection occurred while Metrics is tracking a ConnnectionEvent, end it.
reportConnectionAttemptEnd(
timedOut
? WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_TIMED_OUT
: WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_REJECTION,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
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);
int disableReason = WifiConfiguration.NetworkSelectionStatus
.DISABLED_AUTHENTICATION_FAILURE;
reasonCode = message.arg1;
// Check if this is a permanent wrong password failure.
if (isPermanentWrongPasswordFailure(mTargetNetworkId, reasonCode)) {
disableReason = WifiConfiguration.NetworkSelectionStatus
.DISABLED_BY_WRONG_PASSWORD;
WifiConfiguration targetedNetwork =
mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId);
if (targetedNetwork != null) {
mWrongPasswordNotifier.onWrongPasswordError(
targetedNetwork.SSID);
}
} else if (reasonCode == WifiManager.ERROR_AUTH_FAILURE_EAP_FAILURE) {
int errorCode = message.arg2;
handleEapAuthFailure(mTargetNetworkId, errorCode);
if (errorCode == WifiNative.EAP_SIM_NOT_SUBSCRIBED) {
disableReason = WifiConfiguration.NetworkSelectionStatus
.DISABLED_AUTHENTICATION_NO_SUBSCRIPTION;
}
}
mWifiConfigManager.updateNetworkSelectionStatus(
mTargetNetworkId, disableReason);
mWifiConfigManager.clearRecentFailureReason(mTargetNetworkId);
//If failure occurred while Metrics is tracking a ConnnectionEvent, end it.
int level2FailureReason;
switch (reasonCode) {
case WifiManager.ERROR_AUTH_FAILURE_NONE:
level2FailureReason =
WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_NONE;
break;
case WifiManager.ERROR_AUTH_FAILURE_TIMEOUT:
level2FailureReason =
WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_TIMEOUT;
break;
case WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD:
level2FailureReason =
WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_WRONG_PSWD;
break;
case WifiManager.ERROR_AUTH_FAILURE_EAP_FAILURE:
level2FailureReason =
WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_EAP_FAILURE;
break;
default:
level2FailureReason =
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN;
break;
}
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_AUTHENTICATION_FAILURE,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
level2FailureReason);
if (reasonCode != WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD) {
mWifiInjector.getWifiLastResortWatchdog()
.noteConnectionFailureAndTriggerIfNeeded(
getTargetSsid(), mTargetRoamBSSID,
WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION);
}
break;
case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT:
SupplicantState state = handleSupplicantStateChange(message);
// 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 (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) {
if (mIpClient != null) {
mIpClient.confirmConfiguration();
}
mWifiScoreReport.noteIpCheck();
}
break;
case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST:
if (message.arg1 == 1) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_P2P_DISCONNECT_WIFI_REQUEST);
mWifiNative.disconnect(mInterfaceName);
mTemporarilyDisconnectWifi = true;
} else {
mWifiNative.reconnect(mInterfaceName);
mTemporarilyDisconnectWifi = false;
}
break;
case CMD_REMOVE_NETWORK:
if (!deleteNetworkConfigAndSendReply(message, false)) {
// failed to remove the config and caller was notified
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
break;
}
// we successfully deleted the network config
netId = message.arg1;
if (netId == mTargetNetworkId || netId == mLastNetworkId) {
// Disconnect and let autojoin reselect a new network
sendMessage(CMD_DISCONNECT);
}
break;
case CMD_ENABLE_NETWORK:
boolean disableOthers = message.arg2 == 1;
netId = message.arg1;
if (disableOthers) {
// If the app has all the necessary permissions, this will trigger a connect
// attempt.
ok = connectToUserSelectNetwork(netId, message.sendingUid, false);
} else {
ok = mWifiConfigManager.enableNetwork(netId, false, message.sendingUid);
}
if (!ok) {
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
}
replyToMessage(message, message.what, ok ? SUCCESS : FAILURE);
break;
case WifiManager.DISABLE_NETWORK:
netId = message.arg1;
if (mWifiConfigManager.disableNetwork(netId, message.sendingUid)) {
replyToMessage(message, WifiManager.DISABLE_NETWORK_SUCCEEDED);
if (netId == mTargetNetworkId || netId == mLastNetworkId) {
// Disconnect and let autojoin reselect a new network
sendMessage(CMD_DISCONNECT);
}
} else {
loge("Failed to disable network");
mMessageHandlingStatus = 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 == mTargetNetworkId
|| config.networkId == mLastNetworkId) {
// Disconnect and let autojoin reselect a new network
sendMessage(CMD_DISCONNECT);
}
}
break;
case WifiMonitor.SUP_REQUEST_IDENTITY:
netId = message.arg2;
boolean identitySent = false;
// For SIM & AKA/AKA' EAP method Only, get identity from ICC
if (mTargetWifiConfiguration != null
&& mTargetWifiConfiguration.networkId == netId
&& TelephonyUtil.isSimConfig(mTargetWifiConfiguration)) {
// Pair<identity, encrypted identity>
Pair<String, String> identityPair =
TelephonyUtil.getSimIdentity(getTelephonyManager(),
new TelephonyUtil(), mTargetWifiConfiguration,
mWifiInjector.getCarrierNetworkConfig());
Log.i(TAG, "SUP_REQUEST_IDENTITY: identityPair=" + identityPair);
if (identityPair != null && identityPair.first != null) {
mWifiNative.simIdentityResponse(mInterfaceName, netId,
identityPair.first, identityPair.second);
identitySent = true;
} else {
Log.e(TAG, "Unable to retrieve identity from Telephony");
}
}
if (!identitySent) {
// Supplicant lacks credentials to connect to that network, hence black list
ssid = (String) message.obj;
if (mTargetWifiConfiguration != null && ssid != null
&& mTargetWifiConfiguration.SSID != null
&& mTargetWifiConfiguration.SSID.equals("\"" + ssid + "\"")) {
mWifiConfigManager.updateNetworkSelectionStatus(
mTargetWifiConfiguration.networkId,
WifiConfiguration.NetworkSelectionStatus
.DISABLED_AUTHENTICATION_NO_CREDENTIALS);
}
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_GENERIC);
mWifiNative.disconnect(mInterfaceName);
}
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_MATCHING_OSU_PROVIDERS:
replyToMessage(message, message.what,
mPasspointManager.getMatchingOsuProviders(
(List<ScanResult>) message.obj));
break;
case CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS:
replyToMessage(message, message.what,
mPasspointManager.getMatchingPasspointConfigsForOsuProviders(
(List<OsuProvider>) message.obj));
break;
case CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES:
replyToMessage(message, message.what,
mPasspointManager.getWifiConfigsForPasspointProfiles(
(List<String>) message.obj));
break;
case CMD_START_SUBSCRIPTION_PROVISIONING:
IProvisioningCallback callback = (IProvisioningCallback) message.obj;
OsuProvider provider =
(OsuProvider) message.getData().getParcelable(EXTRA_OSU_PROVIDER);
int res = mPasspointManager.startSubscriptionProvisioning(
message.arg1, provider, callback) ? 1 : 0;
replyToMessage(message, message.what, res);
break;
case CMD_RECONNECT:
WorkSource workSource = (WorkSource) message.obj;
mWifiConnectivityManager.forceConnectivityScan(workSource);
break;
case CMD_REASSOCIATE:
mLastConnectAttemptTimestamp = mClock.getWallClockMillis();
mWifiNative.reassociate(mInterfaceName);
break;
case CMD_START_ROAM:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case CMD_START_CONNECT:
/* connect command coming from auto-join */
netId = message.arg1;
int uid = message.arg2;
bssid = (String) message.obj;
if (!hasConnectionRequests()) {
if (mNetworkAgent == null) {
loge("CMD_START_CONNECT but no requests and not connected,"
+ " bailing");
break;
} else if (!mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) {
loge("CMD_START_CONNECT but no requests and connected, but app "
+ "does not have sufficient permissions, bailing");
break;
}
}
config = mWifiConfigManager.getConfiguredNetworkWithoutMasking(netId);
logd("CMD_START_CONNECT sup state "
+ mSupplicantStateTracker.getSupplicantStateName()
+ " my state " + getCurrentState().getName()
+ " nid=" + Integer.toString(netId)
+ " roam=" + Boolean.toString(mIsAutoRoaming));
if (config == null) {
loge("CMD_START_CONNECT and no config, bail out...");
break;
}
// Update scorecard while there is still state from existing connection
mWifiScoreCard.noteConnectionAttempt(mWifiInfo);
mTargetNetworkId = netId;
setTargetBssid(config, bssid);
reportConnectionAttemptStart(config, mTargetRoamBSSID,
WifiMetricsProto.ConnectionEvent.ROAM_UNRELATED);
if (config.macRandomizationSetting
== WifiConfiguration.RANDOMIZATION_PERSISTENT
&& mConnectedMacRandomzationSupported) {
configureRandomizedMacAddress(config);
} else {
setCurrentMacToFactoryMac(config);
}
String currentMacAddress = mWifiNative.getMacAddress(mInterfaceName);
mWifiInfo.setMacAddress(currentMacAddress);
Log.i(TAG, "Connecting with " + currentMacAddress + " as the mac address");
if (config.enterpriseConfig != null
&& TelephonyUtil.isSimEapMethod(config.enterpriseConfig.getEapMethod())
&& mWifiInjector.getCarrierNetworkConfig()
.isCarrierEncryptionInfoAvailable()
&& TextUtils.isEmpty(config.enterpriseConfig.getAnonymousIdentity())) {
String anonAtRealm = TelephonyUtil.getAnonymousIdentityWith3GppRealm(
getTelephonyManager());
// Use anonymous@<realm> when pseudonym is not available
config.enterpriseConfig.setAnonymousIdentity(anonAtRealm);
}
if (mWifiNative.connectToNetwork(mInterfaceName, config)) {
mWifiInjector.getWifiLastResortWatchdog().noteStartConnectTime();
mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_START_CONNECT, config);
mLastConnectAttemptTimestamp = mClock.getWallClockMillis();
mTargetWifiConfiguration = config;
mIsAutoRoaming = false;
if (getCurrentState() != mDisconnectedState) {
transitionTo(mDisconnectingState);
}
} else {
loge("CMD_START_CONNECT Failed to start connection to network " + config);
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED,
WifiManager.ERROR);
break;
}
break;
case CMD_REMOVE_APP_CONFIGURATIONS:
removedNetworkIds =
mWifiConfigManager.removeNetworksForApp((ApplicationInfo) message.obj);
if (removedNetworkIds.contains(mTargetNetworkId)
|| removedNetworkIds.contains(mLastNetworkId)) {
// Disconnect and let autojoin reselect a new network.
sendMessage(CMD_DISCONNECT);
}
break;
case CMD_REMOVE_USER_CONFIGURATIONS:
removedNetworkIds =
mWifiConfigManager.removeNetworksForUser((Integer) message.arg1);
if (removedNetworkIds.contains(mTargetNetworkId)
|| removedNetworkIds.contains(mLastNetworkId)) {
// Disconnect and let autojoin reselect a new network.
sendMessage(CMD_DISCONNECT);
}
break;
case WifiManager.CONNECT_NETWORK:
/**
* 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;
boolean hasCredentialChanged = false;
// New network addition.
if (config != null) {
result = mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid);
if (!result.isSuccess()) {
loge("CONNECT_NETWORK adding/updating config=" + config + " failed");
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED,
WifiManager.ERROR);
break;
}
netId = result.getNetworkId();
hasCredentialChanged = result.hasCredentialChanged();
}
if (!connectToUserSelectNetwork(
netId, message.sendingUid, hasCredentialChanged)) {
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED,
WifiManager.NOT_AUTHORIZED);
break;
}
mWifiMetrics.logStaEvent(StaEvent.TYPE_CONNECT_NETWORK, config);
broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config);
replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED);
break;
case WifiManager.SAVE_NETWORK:
result = saveNetworkConfigAndSendReply(message);
netId = result.getNetworkId();
if (result.isSuccess() && mWifiInfo.getNetworkId() == netId) {
if (result.hasCredentialChanged()) {
config = (WifiConfiguration) message.obj;
// The network credentials changed and we're connected to this network,
// start a new connection with the updated credentials.
logi("SAVE_NETWORK credential changed for config=" + config.configKey()
+ ", Reconnecting.");
startConnectToNetwork(netId, message.sendingUid, SUPPLICANT_BSSID_ANY);
} else {
if (result.hasProxyChanged()) {
if (mIpClient != null) {
log("Reconfiguring proxy on connection");
mIpClient.setHttpProxy(
getCurrentWifiConfiguration().getHttpProxy());
}
}
if (result.hasIpChanged()) {
// The current 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(b/36576642): clear addresses and disable IPv6
// to simplify obtainingIpState.
transitionTo(mObtainingIpState);
}
}
}
break;
case WifiManager.FORGET_NETWORK:
if (!deleteNetworkConfigAndSendReply(message, true)) {
// Caller was notified of failure, nothing else to do
break;
}
// the network was deleted
netId = message.arg1;
if (netId == mTargetNetworkId || netId == mLastNetworkId) {
// Disconnect and let autojoin reselect a new network
sendMessage(CMD_DISCONNECT);
}
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 ScanDetail associated with this BSSID.
ScanDetailCache scanDetailCache =
mWifiConfigManager.getScanDetailCacheForNetwork(mTargetNetworkId);
if (scanDetailCache != null) {
mWifiMetrics.setConnectionScanDetail(scanDetailCache.getScanDetail(
someBssid));
}
}
handleStatus = NOT_HANDLED;
break;
case WifiMonitor.NETWORK_CONNECTION_EVENT:
if (mVerboseLoggingEnabled) log("Network connection established");
mLastNetworkId = message.arg1;
mWifiConfigManager.clearRecentFailureReason(mLastNetworkId);
mLastBssid = (String) message.obj;
reasonCode = message.arg2;
// TODO: This check should not be needed after ClientModeImpl refactor.
// Currently, the last connected network configuration is left in
// wpa_supplicant, this may result in wpa_supplicant initiating connection
// to it after a config store reload. Hence the old network Id lookups may not
// work, so disconnect the network and let network selector reselect a new
// network.
config = getCurrentWifiConfiguration();
if (config != null) {
mWifiInfo.setBSSID(mLastBssid);
mWifiInfo.setNetworkId(mLastNetworkId);
mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName));
ScanDetailCache scanDetailCache =
mWifiConfigManager.getScanDetailCacheForNetwork(config.networkId);
if (scanDetailCache != null && mLastBssid != null) {
ScanResult scanResult = scanDetailCache.getScanResult(mLastBssid);
if (scanResult != null) {
mWifiInfo.setFrequency(scanResult.frequency);
}
}
mWifiConnectivityManager.trackBssid(mLastBssid, true, reasonCode);
// We need to get the updated pseudonym from supplicant for EAP-SIM/AKA/AKA'
if (config.enterpriseConfig != null
&& TelephonyUtil.isSimEapMethod(
config.enterpriseConfig.getEapMethod())) {
String anonymousIdentity =
mWifiNative.getEapAnonymousIdentity(mInterfaceName);
if (mVerboseLoggingEnabled) {
log("EAP Pseudonym: " + anonymousIdentity);
}
if (!TelephonyUtil.isAnonymousAtRealmIdentity(anonymousIdentity)) {
// Save the pseudonym only if it is a real one
config.enterpriseConfig.setAnonymousIdentity(anonymousIdentity);
mWifiConfigManager.addOrUpdateNetwork(config, Process.WIFI_UID);
}
}
sendNetworkStateChangeBroadcast(mLastBssid);
transitionTo(mObtainingIpState);
} else {
logw("Connected to unknown networkId " + mLastNetworkId
+ ", disconnecting...");
sendMessage(CMD_DISCONNECT);
}
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_QUERY_OSU_ICON:
mPasspointManager.queryPasspointIcon(
((Bundle) message.obj).getLong(EXTRA_OSU_ICON_QUERY_BSSID),
((Bundle) message.obj).getString(EXTRA_OSU_ICON_QUERY_FILENAME));
break;
case CMD_MATCH_PROVIDER_NETWORK:
// TODO(b/31065385): Passpoint config management.
replyToMessage(message, message.what, 0);
break;
case CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG:
Bundle bundle = (Bundle) message.obj;
PasspointConfiguration passpointConfig = bundle.getParcelable(
EXTRA_PASSPOINT_CONFIGURATION);
if (mPasspointManager.addOrUpdateProvider(passpointConfig,
bundle.getInt(EXTRA_UID),
bundle.getString(EXTRA_PACKAGE_NAME))) {
String fqdn = passpointConfig.getHomeSp().getFqdn();
if (isProviderOwnedNetwork(mTargetNetworkId, fqdn)
|| isProviderOwnedNetwork(mLastNetworkId, fqdn)) {
logd("Disconnect from current network since its provider is updated");
sendMessage(CMD_DISCONNECT);
}
replyToMessage(message, message.what, SUCCESS);
} else {
replyToMessage(message, message.what, FAILURE);
}
break;
case CMD_REMOVE_PASSPOINT_CONFIG:
String fqdn = (String) message.obj;
if (mPasspointManager.removeProvider(
message.sendingUid, message.arg1 == 1, fqdn)) {
if (isProviderOwnedNetwork(mTargetNetworkId, fqdn)
|| isProviderOwnedNetwork(mLastNetworkId, fqdn)) {
logd("Disconnect from current network since its provider is removed");
sendMessage(CMD_DISCONNECT);
}
mWifiConfigManager.removePasspointConfiguredNetwork(fqdn);
replyToMessage(message, message.what, SUCCESS);
} else {
replyToMessage(message, message.what, FAILURE);
}
break;
case CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS:
replyToMessage(message, message.what,
mPasspointManager.getAllMatchingFqdnsForScanResults(
(List<ScanResult>) message.obj));
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");
boolean simPresent = message.arg1 == 1;
if (!simPresent) {
mPasspointManager.removeEphemeralProviders();
mWifiConfigManager.resetSimNetworks();
}
break;
case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE:
mBluetoothConnectionActive = (message.arg1
!= BluetoothAdapter.STATE_DISCONNECTED);
mWifiNative.setBluetoothCoexistenceScanMode(
mInterfaceName, 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(mInterfaceName, remoteAddress, enable);
}
break;
case WifiMonitor.ANQP_DONE_EVENT:
// TODO(zqiu): remove this when switch over to wificond for ANQP requests.
mPasspointManager.notifyANQPDone((AnqpEvent) message.obj);
break;
case CMD_STOP_IP_PACKET_OFFLOAD: {
int slot = message.arg1;
int ret = stopWifiIPPacketOffload(slot);
if (mNetworkAgent != null) {
mNetworkAgent.onSocketKeepaliveEvent(slot, ret);
}
break;
}
case WifiMonitor.RX_HS20_ANQP_ICON_EVENT:
// TODO(zqiu): remove this when switch over to wificond for icon requests.
mPasspointManager.notifyIconDone((IconEvent) message.obj);
break;
case WifiMonitor.HS20_REMEDIATION_EVENT:
// TODO(zqiu): remove this when switch over to wificond for WNM frames
// monitoring.
mPasspointManager.receivedWnmFrame((WnmData) message.obj);
break;
case CMD_CONFIG_ND_OFFLOAD:
final boolean enabled = (message.arg1 > 0);
mWifiNative.configureNeighborDiscoveryOffload(mInterfaceName, enabled);
break;
case CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER:
mWifiConnectivityManager.enable(message.arg1 == 1 ? true : false);
break;
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
}
private WifiNetworkAgentSpecifier createNetworkAgentSpecifier(
@NonNull WifiConfiguration currentWifiConfiguration, @Nullable String currentBssid,
int specificRequestUid, @NonNull String specificRequestPackageName) {
currentWifiConfiguration.BSSID = currentBssid;
WifiNetworkAgentSpecifier wns =
new WifiNetworkAgentSpecifier(currentWifiConfiguration, specificRequestUid,
specificRequestPackageName);
return wns;
}
private NetworkCapabilities getCapabilities(WifiConfiguration currentWifiConfiguration) {
final NetworkCapabilities result = new NetworkCapabilities(mNetworkCapabilitiesFilter);
// MatchAllNetworkSpecifier set in the mNetworkCapabilitiesFilter should never be set in the
// agent's specifier.
result.setNetworkSpecifier(null);
if (currentWifiConfiguration == null) {
return result;
}
if (!mWifiInfo.isTrusted()) {
result.removeCapability(NetworkCapabilities.NET_CAPABILITY_TRUSTED);
} else {
result.addCapability(NetworkCapabilities.NET_CAPABILITY_TRUSTED);
}
if (!WifiConfiguration.isMetered(currentWifiConfiguration, mWifiInfo)) {
result.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
} else {
result.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
}
if (mWifiInfo.getRssi() != WifiInfo.INVALID_RSSI) {
result.setSignalStrength(mWifiInfo.getRssi());
} else {
result.setSignalStrength(NetworkCapabilities.SIGNAL_STRENGTH_UNSPECIFIED);
}
if (currentWifiConfiguration.osu) {
result.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
}
if (!mWifiInfo.getSSID().equals(WifiSsid.NONE)) {
result.setSSID(mWifiInfo.getSSID());
} else {
result.setSSID(null);
}
Pair<Integer, String> specificRequestUidAndPackageName =
mNetworkFactory.getSpecificNetworkRequestUidAndPackageName(
currentWifiConfiguration);
// There is an active specific request.
if (specificRequestUidAndPackageName.first != Process.INVALID_UID) {
// Remove internet capability.
result.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
}
// Fill up the network agent specifier for this connection.
result.setNetworkSpecifier(
createNetworkAgentSpecifier(
currentWifiConfiguration, getCurrentBSSID(),
specificRequestUidAndPackageName.first,
specificRequestUidAndPackageName.second));
return result;
}
/**
* Method to update network capabilities from the current WifiConfiguration.
*/
public void updateCapabilities() {
updateCapabilities(getCurrentWifiConfiguration());
}
private void updateCapabilities(WifiConfiguration currentWifiConfiguration) {
if (mNetworkAgent == null) {
return;
}
mNetworkAgent.sendNetworkCapabilities(getCapabilities(currentWifiConfiguration));
}
/**
* Checks if the given network |networkdId| is provided by the given Passpoint provider with
* |providerFqdn|.
*
* @param networkId The ID of the network to check
* @param providerFqdn The FQDN of the Passpoint provider
* @return true if the given network is provided by the given Passpoint provider
*/
private boolean isProviderOwnedNetwork(int networkId, String providerFqdn) {
if (networkId == WifiConfiguration.INVALID_NETWORK_ID) {
return false;
}
WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(networkId);
if (config == null) {
return false;
}
return TextUtils.equals(config.FQDN, providerFqdn);
}
private void handleEapAuthFailure(int networkId, int errorCode) {
WifiConfiguration targetedNetwork =
mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId);
if (targetedNetwork != null) {
switch (targetedNetwork.enterpriseConfig.getEapMethod()) {
case WifiEnterpriseConfig.Eap.SIM:
case WifiEnterpriseConfig.Eap.AKA:
case WifiEnterpriseConfig.Eap.AKA_PRIME:
if (errorCode == WifiNative.EAP_SIM_VENDOR_SPECIFIC_CERT_EXPIRED) {
getTelephonyManager()
.createForSubscriptionId(
SubscriptionManager.getDefaultDataSubscriptionId())
.resetCarrierKeysForImsiEncryption();
}
break;
default:
// Do Nothing
}
}
}
private class WifiNetworkAgent extends NetworkAgent {
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);
}
private int mLastNetworkStatus = -1; // To detect when the status really changes
@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 == mLastNetworkStatus) return;
mLastNetworkStatus = status;
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));
}
mWifiMetrics.logStaEvent(StaEvent.TYPE_NETWORK_AGENT_VALID_NETWORK);
doNetworkStatus(status);
}
}
@Override
protected void saveAcceptUnvalidated(boolean accept) {
if (this != mNetworkAgent) return;
ClientModeImpl.this.sendMessage(CMD_ACCEPT_UNVALIDATED, accept ? 1 : 0);
}
@Override
protected void startSocketKeepalive(Message msg) {
ClientModeImpl.this.sendMessage(
CMD_START_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj);
}
@Override
protected void stopSocketKeepalive(Message msg) {
ClientModeImpl.this.sendMessage(
CMD_STOP_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj);
}
@Override
protected void addKeepalivePacketFilter(Message msg) {
ClientModeImpl.this.sendMessage(
CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF, msg.arg1, msg.arg2, msg.obj);
}
@Override
protected void removeKeepalivePacketFilter(Message msg) {
ClientModeImpl.this.sendMessage(
CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF, 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) {
ClientModeImpl.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));
ClientModeImpl.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;
ClientModeImpl.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 valid 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";
}
class L2ConnectedState extends State {
class RssiEventHandler implements WifiNative.WifiRssiEventHandler {
@Override
public void onRssiThresholdBreached(byte curRssi) {
if (mVerboseLoggingEnabled) {
Log.e(TAG, "onRssiThresholdBreach event. Cur Rssi = " + curRssi);
}
sendMessage(CMD_RSSI_THRESHOLD_BREACHED, curRssi);
}
}
RssiEventHandler mRssiEventHandler = new RssiEventHandler();
@Override
public void enter() {
mRssiPollToken++;
if (mEnableRssiPolling) {
mLinkProbeManager.resetOnNewConnection();
sendMessage(CMD_RSSI_POLL, mRssiPollToken, 0);
}
if (mNetworkAgent != null) {
loge("Have NetworkAgent when entering L2Connected");
setNetworkDetailedState(DetailedState.DISCONNECTED);
}
setNetworkDetailedState(DetailedState.CONNECTING);
final NetworkCapabilities nc = getCapabilities(getCurrentWifiConfiguration());
synchronized (mNetworkAgentLock) {
mNetworkAgent = new WifiNetworkAgent(getHandler().getLooper(), mContext,
"WifiNetworkAgent", mNetworkInfo, nc, 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
clearTargetBssid("L2ConnectedState");
mCountryCode.setReadyForChange(false);
mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_ASSOCIATED);
mWifiScoreCard.noteNetworkAgentCreated(mWifiInfo, mNetworkAgent.netId);
}
@Override
public void exit() {
if (mIpClient != null) {
mIpClient.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);
mWifiStateTracker.updateState(WifiStateTracker.DISCONNECTED);
//Inform WifiLockManager
WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager();
wifiLockManager.updateWifiClientConnected(false);
}
@Override
public boolean processMessage(Message message) {
boolean handleStatus = HANDLED;
switch (message.what) {
case CMD_PRE_DHCP_ACTION:
handlePreDhcpSetup();
break;
case CMD_PRE_DHCP_ACTION_COMPLETE:
if (mIpClient != null) {
mIpClient.completedPreDhcpAction();
}
break;
case CMD_POST_DHCP_ACTION:
handlePostDhcpSetup();
// We advance to mConnectedState because IpClient 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 IpClient.
break;
case CMD_IPV4_PROVISIONING_SUCCESS: {
handleIPv4Success((DhcpResults) message.obj);
sendNetworkStateChangeBroadcast(mLastBssid);
break;
}
case CMD_IPV4_PROVISIONING_FAILURE: {
handleIPv4Failure();
mWifiInjector.getWifiLastResortWatchdog()
.noteConnectionFailureAndTriggerIfNeeded(
getTargetSsid(), mTargetRoamBSSID,
WifiLastResortWatchdog.FAILURE_CODE_DHCP);
break;
}
case CMD_IP_CONFIGURATION_SUCCESSFUL:
if (getCurrentWifiConfiguration() == null) {
// The current config may have been removed while we were connecting,
// trigger a disconnect to clear up state.
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
mWifiNative.disconnect(mInterfaceName);
transitionTo(mDisconnectingState);
} else {
handleSuccessfulIpConfiguration();
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,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
mWifiInjector.getWifiLastResortWatchdog()
.noteConnectionFailureAndTriggerIfNeeded(
getTargetSsid(), mTargetRoamBSSID,
WifiLastResortWatchdog.FAILURE_CODE_DHCP);
transitionTo(mDisconnectingState);
break;
case CMD_IP_REACHABILITY_LOST:
if (mVerboseLoggingEnabled && message.obj != null) log((String) message.obj);
mWifiDiagnostics.captureBugReportData(
WifiDiagnostics.REPORT_REASON_REACHABILITY_LOST);
mWifiMetrics.logWifiIsUnusableEvent(
WifiIsUnusableEvent.TYPE_IP_REACHABILITY_LOST);
mWifiMetrics.addToWifiUsabilityStatsList(WifiUsabilityStats.LABEL_BAD,
WifiUsabilityStats.TYPE_IP_REACHABILITY_LOST, -1);
if (mIpReachabilityDisconnectEnabled) {
handleIpReachabilityLost();
transitionTo(mDisconnectingState);
} else {
logd("CMD_IP_REACHABILITY_LOST but disconnect disabled -- ignore");
}
break;
case CMD_DISCONNECT:
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_GENERIC);
mWifiNative.disconnect(mInterfaceName);
transitionTo(mDisconnectingState);
break;
case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST:
if (message.arg1 == 1) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_P2P_DISCONNECT_WIFI_REQUEST);
mWifiNative.disconnect(mInterfaceName);
mTemporarilyDisconnectWifi = true;
transitionTo(mDisconnectingState);
}
break;
/* Ignore connection to same network */
case WifiManager.CONNECT_NETWORK:
int netId = message.arg1;
if (mWifiInfo.getNetworkId() == netId) {
replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED);
break;
}
handleStatus = NOT_HANDLED;
break;
case WifiMonitor.NETWORK_CONNECTION_EVENT:
mWifiInfo.setBSSID((String) message.obj);
mLastNetworkId = message.arg1;
mWifiInfo.setNetworkId(mLastNetworkId);
mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName));
if (!mLastBssid.equals(message.obj)) {
mLastBssid = (String) message.obj;
sendNetworkStateChangeBroadcast(mLastBssid);
}
break;
case CMD_ONESHOT_RSSI_POLL:
if (!mEnableRssiPolling) {
updateLinkLayerStatsRssiAndScoreReportInternal();
}
break;
case CMD_RSSI_POLL:
if (message.arg1 == mRssiPollToken) {
WifiLinkLayerStats stats = updateLinkLayerStatsRssiAndScoreReportInternal();
mWifiMetrics.updateWifiUsabilityStatsEntries(mWifiInfo, stats);
if (mWifiScoreReport.shouldCheckIpLayer()) {
if (mIpClient != null) {
mIpClient.confirmConfiguration();
}
mWifiScoreReport.noteIpCheck();
}
int statusDataStall = mWifiDataStall.checkForDataStall(
mLastLinkLayerStats, stats, mWifiInfo);
if (mDataStallTriggerTimeMs == -1
&& statusDataStall != WifiIsUnusableEvent.TYPE_UNKNOWN) {
mDataStallTriggerTimeMs = mClock.getElapsedSinceBootMillis();
mLastStatusDataStall = statusDataStall;
}
if (mDataStallTriggerTimeMs != -1) {
long elapsedTime = mClock.getElapsedSinceBootMillis()
- mDataStallTriggerTimeMs;
if (elapsedTime >= DURATION_TO_WAIT_ADD_STATS_AFTER_DATA_STALL_MS) {
mDataStallTriggerTimeMs = -1;
mWifiMetrics.addToWifiUsabilityStatsList(
WifiUsabilityStats.LABEL_BAD,
convertToUsabilityStatsTriggerType(mLastStatusDataStall),
-1);
mLastStatusDataStall = WifiIsUnusableEvent.TYPE_UNKNOWN;
}
}
mWifiMetrics.incrementWifiLinkLayerUsageStats(stats);
mLastLinkLayerStats = stats;
mWifiScoreCard.noteSignalPoll(mWifiInfo);
mLinkProbeManager.updateConnectionStats(
mWifiInfo, mInterfaceName);
sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, mRssiPollToken, 0),
mPollRssiIntervalMsecs);
if (mVerboseLoggingEnabled) sendRssiChangeBroadcast(mWifiInfo.getRssi());
mWifiTrafficPoller.notifyOnDataActivity(mWifiInfo.txSuccess,
mWifiInfo.rxSuccess);
} else {
// Polling has completed
}
break;
case CMD_ENABLE_RSSI_POLL:
cleanWifiScore();
mEnableRssiPolling = (message.arg1 == 1);
mRssiPollToken++;
if (mEnableRssiPolling) {
// First poll
mLastSignalLevel = -1;
mLinkProbeManager.resetOnScreenTurnedOn();
fetchRssiLinkSpeedAndFrequencyNative();
sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, mRssiPollToken, 0),
mPollRssiIntervalMsecs);
}
break;
case WifiManager.RSSI_PKTCNT_FETCH:
RssiPacketCountInfo info = new RssiPacketCountInfo();
fetchRssiLinkSpeedAndFrequencyNative();
info.rssi = mWifiInfo.getRssi();
WifiNative.TxPacketCounters counters =
mWifiNative.getTxPacketCounters(mInterfaceName);
if (counters != null) {
info.txgood = counters.txSucceeded;
info.txbad = counters.txFailed;
replyToMessage(message, WifiManager.RSSI_PKTCNT_FETCH_SUCCEEDED, info);
} else {
replyToMessage(message,
WifiManager.RSSI_PKTCNT_FETCH_FAILED, WifiManager.ERROR);
}
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(mLastBssid);
WifiConfiguration config = getCurrentWifiConfiguration();
if (config != null) {
ScanDetailCache scanDetailCache = mWifiConfigManager
.getScanDetailCacheForNetwork(config.networkId);
if (scanDetailCache != null) {
ScanResult scanResult = scanDetailCache.getScanResult(mLastBssid);
if (scanResult != null) {
mWifiInfo.setFrequency(scanResult.frequency);
}
}
}
sendNetworkStateChangeBroadcast(mLastBssid);
}
break;
case CMD_START_RSSI_MONITORING_OFFLOAD:
case CMD_RSSI_THRESHOLD_BREACHED:
byte currRssi = (byte) message.arg1;
processRssiThreshold(currRssi, message.what, mRssiEventHandler);
break;
case CMD_STOP_RSSI_MONITORING_OFFLOAD:
stopRssiMonitoringOffload();
break;
case CMD_RECONNECT:
log(" Ignore CMD_RECONNECT request because wifi is already connected");
break;
case CMD_RESET_SIM_NETWORKS:
if (message.arg1 == 0 // sim was removed
&& mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) {
WifiConfiguration config =
mWifiConfigManager.getConfiguredNetwork(mLastNetworkId);
if (TelephonyUtil.isSimConfig(config)) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_RESET_SIM_NETWORKS);
// TODO(b/132385576): STA may immediately connect back to the network
// that we just disconnected from
mWifiNative.disconnect(mInterfaceName);
transitionTo(mDisconnectingState);
}
}
/* allow parent state to reset data for other networks */
handleStatus = NOT_HANDLED;
break;
case CMD_START_IP_PACKET_OFFLOAD: {
int slot = message.arg1;
int intervalSeconds = message.arg2;
KeepalivePacketData pkt = (KeepalivePacketData) message.obj;
int result = startWifiIPPacketOffload(slot, pkt, intervalSeconds);
if (mNetworkAgent != null) {
mNetworkAgent.onSocketKeepaliveEvent(slot, result);
}
break;
}
case CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF: {
if (mIpClient != null) {
final int slot = message.arg1;
if (message.obj instanceof NattKeepalivePacketData) {
final NattKeepalivePacketData pkt =
(NattKeepalivePacketData) message.obj;
mIpClient.addKeepalivePacketFilter(slot, pkt);
} else if (message.obj instanceof TcpKeepalivePacketData) {
final TcpKeepalivePacketData pkt =
(TcpKeepalivePacketData) message.obj;
mIpClient.addKeepalivePacketFilter(slot, pkt);
}
}
break;
}
case CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF: {
if (mIpClient != null) {
mIpClient.removeKeepalivePacketFilter(message.arg1);
}
break;
}
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
/**
* Fetches link stats and updates Wifi Score Report.
*/
private WifiLinkLayerStats updateLinkLayerStatsRssiAndScoreReportInternal() {
WifiLinkLayerStats stats = getWifiLinkLayerStats();
// Get Info and continue polling
fetchRssiLinkSpeedAndFrequencyNative();
// Send the update score to network agent.
mWifiScoreReport.calculateAndReportScore(mWifiInfo, mNetworkAgent, mWifiMetrics);
return stats;
}
}
/**
* Fetches link stats and updates Wifi Score Report.
*/
public void updateLinkLayerStatsRssiAndScoreReport() {
sendMessage(CMD_ONESHOT_RSSI_POLL);
}
private static int convertToUsabilityStatsTriggerType(int unusableEventTriggerType) {
int triggerType;
switch (unusableEventTriggerType) {
case WifiIsUnusableEvent.TYPE_DATA_STALL_BAD_TX:
triggerType = WifiUsabilityStats.TYPE_DATA_STALL_BAD_TX;
break;
case WifiIsUnusableEvent.TYPE_DATA_STALL_TX_WITHOUT_RX:
triggerType = WifiUsabilityStats.TYPE_DATA_STALL_TX_WITHOUT_RX;
break;
case WifiIsUnusableEvent.TYPE_DATA_STALL_BOTH:
triggerType = WifiUsabilityStats.TYPE_DATA_STALL_BOTH;
break;
case WifiIsUnusableEvent.TYPE_FIRMWARE_ALERT:
triggerType = WifiUsabilityStats.TYPE_FIRMWARE_ALERT;
break;
case WifiIsUnusableEvent.TYPE_IP_REACHABILITY_LOST:
triggerType = WifiUsabilityStats.TYPE_IP_REACHABILITY_LOST;
break;
default:
triggerType = WifiUsabilityStats.TYPE_UNKNOWN;
Log.e(TAG, "Unknown WifiIsUnusableEvent: " + unusableEventTriggerType);
}
return triggerType;
}
class ObtainingIpState extends State {
@Override
public void enter() {
final WifiConfiguration currentConfig = getCurrentWifiConfiguration();
final boolean isUsingStaticIp =
(currentConfig.getIpAssignment() == IpConfiguration.IpAssignment.STATIC);
if (mVerboseLoggingEnabled) {
final String key = currentConfig.configKey();
log("enter ObtainingIpState netId=" + Integer.toString(mLastNetworkId)
+ " " + key + " "
+ " roam=" + mIsAutoRoaming
+ " static=" + isUsingStaticIp);
}
// 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.
clearTargetBssid("ObtainingIpAddress");
// Stop IpClient 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.
stopIpClient();
if (mIpClient != null) {
mIpClient.setHttpProxy(currentConfig.getHttpProxy());
if (!TextUtils.isEmpty(mTcpBufferSizes)) {
mIpClient.setTcpBufferSizes(mTcpBufferSizes);
}
}
final ProvisioningConfiguration prov;
if (!isUsingStaticIp) {
prov = new ProvisioningConfiguration.Builder()
.withPreDhcpAction()
.withApfCapabilities(mWifiNative.getApfCapabilities(mInterfaceName))
.withNetwork(getCurrentNetwork())
.withDisplayName(currentConfig.SSID)
.build();
} else {
StaticIpConfiguration staticIpConfig = currentConfig.getStaticIpConfiguration();
prov = new ProvisioningConfiguration.Builder()
.withStaticConfiguration(staticIpConfig)
.withApfCapabilities(mWifiNative.getApfCapabilities(mInterfaceName))
.withNetwork(getCurrentNetwork())
.withDisplayName(currentConfig.SSID)
.build();
}
if (mIpClient != null) {
mIpClient.startProvisioning(prov);
}
// Get Link layer stats so as we get fresh tx packet counters
getWifiLinkLayerStats();
}
@Override
public boolean processMessage(Message message) {
boolean handleStatus = HANDLED;
switch(message.what) {
case CMD_START_CONNECT:
case CMD_START_ROAM:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD;
break;
case WifiManager.SAVE_NETWORK:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED;
deferMessage(message);
break;
case WifiMonitor.NETWORK_DISCONNECTION_EVENT:
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
handleStatus = NOT_HANDLED;
break;
case CMD_SET_HIGH_PERF_MODE:
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED;
deferMessage(message);
break;
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
}
/**
* Helper function to check if we need to invoke
* {@link NetworkAgent#explicitlySelected(boolean, boolean)} to indicate that we connected to a
* network which the user just chose
* (i.e less than {@link #LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS) before).
*/
@VisibleForTesting
public boolean shouldEvaluateWhetherToSendExplicitlySelected(WifiConfiguration currentConfig) {
if (currentConfig == null) {
Log.wtf(TAG, "Current WifiConfiguration is null, but IP provisioning just succeeded");
return false;
}
long currentTimeMillis = mClock.getElapsedSinceBootMillis();
return (mWifiConfigManager.getLastSelectedNetwork() == currentConfig.networkId
&& currentTimeMillis - mWifiConfigManager.getLastSelectedTimeStamp()
< LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS);
}
private void sendConnectedState() {
// If this network was explicitly selected by the user, evaluate whether to inform
// ConnectivityService of that fact so the system can treat it appropriately.
WifiConfiguration config = getCurrentWifiConfiguration();
boolean explicitlySelected = false;
if (shouldEvaluateWhetherToSendExplicitlySelected(config)) {
// If explicitlySelected is true, the network was 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".
explicitlySelected =
mWifiPermissionsUtil.checkNetworkSettingsPermission(config.lastConnectUid);
if (mVerboseLoggingEnabled) {
log("Network selected by UID " + config.lastConnectUid + " explicitlySelected="
+ explicitlySelected);
}
}
if (mVerboseLoggingEnabled) {
log("explictlySelected=" + explicitlySelected + " acceptUnvalidated="
+ config.noInternetAccessExpected);
}
if (mNetworkAgent != null) {
mNetworkAgent.explicitlySelected(explicitlySelected, config.noInternetAccessExpected);
}
setNetworkDetailedState(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
mRoamWatchdogCount++;
logd("Start Roam Watchdog " + mRoamWatchdogCount);
sendMessageDelayed(obtainMessage(CMD_ROAM_WATCHDOG_TIMER,
mRoamWatchdogCount, 0), ROAM_GUARD_TIMER_MSEC);
mAssociated = false;
}
@Override
public boolean processMessage(Message message) {
WifiConfiguration config;
boolean handleStatus = HANDLED;
switch (message.what) {
case CMD_IP_CONFIGURATION_LOST:
config = getCurrentWifiConfiguration();
if (config != null) {
mWifiDiagnostics.captureBugReportData(
WifiDiagnostics.REPORT_REASON_AUTOROAM_FAILURE);
}
handleStatus = NOT_HANDLED;
break;
case CMD_UNWANTED_NETWORK:
if (mVerboseLoggingEnabled) {
log("Roaming and CS doesn't want the network -> ignore");
}
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 (mRoamWatchdogCount == message.arg1) {
if (mVerboseLoggingEnabled) log("roaming watchdog! -> disconnect");
mWifiMetrics.endConnectionEvent(
WifiMetrics.ConnectionEvent.FAILURE_ROAM_TIMEOUT,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
mRoamFailCount++;
handleNetworkDisconnect();
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_ROAM_WATCHDOG_TIMER);
mWifiNative.disconnect(mInterfaceName);
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);
int reasonCode = message.arg2;
mWifiConnectivityManager.trackBssid(mLastBssid, true, reasonCode);
sendNetworkStateChangeBroadcast(mLastBssid);
// Successful framework roam! (probably)
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_NONE,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
// 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().
clearTargetBssid("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 IpClient's use of IpReachabilityMonitor to
// confirm our current network configuration.
//
// mIpClient.confirmConfiguration() is called within
// the handling of SupplicantState.COMPLETED.
transitionTo(mConnectedState);
} else {
mMessageHandlingStatus = 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;
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
@Override
public void exit() {
logd("ClientModeImpl: Leaving Roaming state");
}
}
class ConnectedState extends State {
@Override
public void enter() {
if (mVerboseLoggingEnabled) {
log("Enter ConnectedState mScreenOn=" + mScreenOn);
}
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_NONE,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
mWifiConnectivityManager.handleConnectionStateChanged(
WifiConnectivityManager.WIFI_STATE_CONNECTED);
registerConnected();
mLastConnectAttemptTimestamp = 0;
mTargetWifiConfiguration = null;
mWifiScoreReport.reset();
mLastSignalLevel = -1;
// Not roaming anymore
mIsAutoRoaming = false;
mLastDriverRoamAttempt = 0;
mTargetNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
mWifiInjector.getWifiLastResortWatchdog().connectedStateTransition(true);
mWifiStateTracker.updateState(WifiStateTracker.CONNECTED);
//Inform WifiLockManager
WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager();
wifiLockManager.updateWifiClientConnected(true);
}
@Override
public boolean processMessage(Message message) {
WifiConfiguration config = null;
boolean handleStatus = HANDLED;
switch (message.what) {
case CMD_UNWANTED_NETWORK:
if (message.arg1 == NETWORK_STATUS_UNWANTED_DISCONNECT) {
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_UNWANTED);
mWifiNative.disconnect(mInterfaceName);
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) {
mWifiConfigManager.setNetworkValidatedInternetAccess(
config.networkId, false);
mWifiConfigManager.updateNetworkSelectionStatus(config.networkId,
WifiConfiguration.NetworkSelectionStatus
.DISABLED_NO_INTERNET_PERMANENT);
} else {
// stop collect last-mile stats since validation fail
removeMessages(CMD_DIAGS_CONNECT_TIMEOUT);
mWifiDiagnostics.reportConnectionEvent(
WifiDiagnostics.CONNECTION_EVENT_FAILED);
mWifiConfigManager.incrementNetworkNoInternetAccessReports(
config.networkId);
// If this was not the last selected network, update network
// selection status to temporarily disable the network.
if (mWifiConfigManager.getLastSelectedNetwork() != config.networkId
&& !config.noInternetAccessExpected) {
Log.i(TAG, "Temporarily disabling network because of"
+ "no-internet access");
mWifiConfigManager.updateNetworkSelectionStatus(
config.networkId,
WifiConfiguration.NetworkSelectionStatus
.DISABLED_NO_INTERNET_TEMPORARY);
}
}
}
}
break;
case CMD_NETWORK_STATUS:
if (message.arg1 == NetworkAgent.VALID_NETWORK) {
// stop collect last-mile stats since validation pass
removeMessages(CMD_DIAGS_CONNECT_TIMEOUT);
mWifiDiagnostics.reportConnectionEvent(
WifiDiagnostics.CONNECTION_EVENT_SUCCEEDED);
mWifiScoreCard.noteValidationSuccess(mWifiInfo);
config = getCurrentWifiConfiguration();
if (config != null) {
// re-enable autojoin
mWifiConfigManager.updateNetworkSelectionStatus(
config.networkId,
WifiConfiguration.NetworkSelectionStatus
.NETWORK_SELECTION_ENABLE);
mWifiConfigManager.setNetworkValidatedInternetAccess(
config.networkId, true);
}
}
break;
case CMD_ACCEPT_UNVALIDATED:
boolean accept = (message.arg1 != 0);
mWifiConfigManager.setNetworkNoInternetAccessExpected(mLastNetworkId, accept);
break;
case CMD_ASSOCIATED_BSSID:
// ASSOCIATING to a new BSSID while already connected, indicates
// that driver is roaming
mLastDriverRoamAttempt = mClock.getWallClockMillis();
handleStatus = NOT_HANDLED;
break;
case WifiMonitor.NETWORK_DISCONNECTION_EVENT:
long lastRoam = 0;
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
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 (mVerboseLoggingEnabled) {
log("NETWORK_DISCONNECTION_EVENT in connected state"
+ " BSSID=" + mWifiInfo.getBSSID()
+ " RSSI=" + mWifiInfo.getRssi()
+ " freq=" + mWifiInfo.getFrequency()
+ " reason=" + message.arg2
+ " Network Selection Status=" + (config == null ? "Unavailable"
: config.getNetworkSelectionStatus().getNetworkStatusString()));
}
break;
case CMD_START_ROAM:
// Clear the driver roam indication since we are attempting a framework roam
mLastDriverRoamAttempt = 0;
/* Connect command coming from auto-join */
int netId = message.arg1;
ScanResult candidate = (ScanResult) message.obj;
String bssid = SUPPLICANT_BSSID_ANY;
if (candidate != null) {
bssid = candidate.BSSID;
}
config = mWifiConfigManager.getConfiguredNetworkWithoutMasking(netId);
if (config == null) {
loge("CMD_START_ROAM and no config, bail out...");
break;
}
mWifiScoreCard.noteConnectionAttempt(mWifiInfo);
setTargetBssid(config, bssid);
mTargetNetworkId = netId;
logd("CMD_START_ROAM sup state "
+ mSupplicantStateTracker.getSupplicantStateName()
+ " my state " + getCurrentState().getName()
+ " nid=" + Integer.toString(netId)
+ " config " + config.configKey()
+ " targetRoamBSSID " + mTargetRoamBSSID);
reportConnectionAttemptStart(config, mTargetRoamBSSID,
WifiMetricsProto.ConnectionEvent.ROAM_ENTERPRISE);
if (mWifiNative.roamToNetwork(mInterfaceName, config)) {
mLastConnectAttemptTimestamp = mClock.getWallClockMillis();
mTargetWifiConfiguration = config;
mIsAutoRoaming = true;
mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_START_ROAM, config);
transitionTo(mRoamingState);
} else {
loge("CMD_START_ROAM Failed to start roaming to network " + config);
reportConnectionAttemptEnd(
WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED,
WifiMetricsProto.ConnectionEvent.HLF_NONE,
WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN);
replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED,
WifiManager.ERROR);
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
break;
}
break;
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
@Override
public void exit() {
logd("ClientModeImpl: Leaving Connected state");
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.
mDisconnectingWatchdogCount++;
logd("Start Disconnecting Watchdog " + mDisconnectingWatchdogCount);
sendMessageDelayed(obtainMessage(CMD_DISCONNECTING_WATCHDOG_TIMER,
mDisconnectingWatchdogCount, 0), DISCONNECTING_GUARD_TIMER_MSEC);
}
@Override
public boolean processMessage(Message message) {
boolean handleStatus = HANDLED;
switch (message.what) {
case CMD_DISCONNECT:
if (mVerboseLoggingEnabled) {
log("Ignore CMD_DISCONNECT when already disconnecting.");
}
break;
case CMD_DISCONNECTING_WATCHDOG_TIMER:
if (mDisconnectingWatchdogCount == 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:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
}
class DisconnectedState extends State {
@Override
public void enter() {
Log.i(TAG, "disconnectedstate enter");
// We don't 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 */
mIsAutoRoaming = false;
mWifiConnectivityManager.handleConnectionStateChanged(
WifiConnectivityManager.WIFI_STATE_DISCONNECTED);
}
@Override
public boolean processMessage(Message message) {
boolean handleStatus = HANDLED;
switch (message.what) {
case CMD_DISCONNECT:
mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT,
StaEvent.DISCONNECT_GENERIC);
mWifiNative.disconnect(mInterfaceName);
break;
case WifiMonitor.NETWORK_DISCONNECTION_EVENT:
if (message.arg2 == 15 /* FOURWAY_HANDSHAKE_TIMEOUT */) {
String bssid = (message.obj == null)
? mTargetRoamBSSID : (String) message.obj;
mWifiInjector.getWifiLastResortWatchdog()
.noteConnectionFailureAndTriggerIfNeeded(
getTargetSsid(), bssid,
WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION);
}
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));
}
if (SupplicantState.isConnecting(stateChangeResult.state)) {
WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(
stateChangeResult.networkId);
// Update Passpoint information before setNetworkDetailedState as
// WifiTracker monitors NETWORK_STATE_CHANGED_ACTION to update UI.
mWifiInfo.setFQDN(null);
mWifiInfo.setOsuAp(false);
mWifiInfo.setProviderFriendlyName(null);
if (config != null && (config.isPasspoint() || config.osu)) {
if (config.isPasspoint()) {
mWifiInfo.setFQDN(config.FQDN);
} else {
mWifiInfo.setOsuAp(true);
}
mWifiInfo.setProviderFriendlyName(config.providerFriendlyName);
}
}
setNetworkDetailedState(WifiInfo.getDetailedStateOf(stateChangeResult.state));
/* ConnectModeState does the rest of the handling */
handleStatus = NOT_HANDLED;
break;
case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED:
NetworkInfo info = (NetworkInfo) message.obj;
mP2pConnected.set(info.isConnected());
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
handleStatus = NOT_HANDLED;
}
break;
case CMD_SCREEN_STATE_CHANGED:
handleScreenStateChanged(message.arg1 != 0);
break;
default:
handleStatus = NOT_HANDLED;
break;
}
if (handleStatus == HANDLED) {
logStateAndMessage(message, this);
}
return handleStatus;
}
@Override
public void exit() {
mWifiConnectivityManager.handleConnectionStateChanged(
WifiConnectivityManager.WIFI_STATE_TRANSITIONING);
}
}
/**
* State machine initiated requests can have replyTo set to null, indicating
* there are no recipients, 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;
}
/**
* Notify interested parties if a wifi config has been changed.
*
* @param wifiCredentialEventType WIFI_CREDENTIAL_SAVED or WIFI_CREDENTIAL_FORGOT
* @param config Must have a WifiConfiguration object to succeed
* TODO: b/35258354 investigate if this can be removed. Is the broadcast sent by
* WifiConfigManager sufficient?
*/
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 (mTargetWifiConfiguration == null
|| mTargetWifiConfiguration.networkId
== requestData.networkId) {
logd("id matches targetWifiConfiguration");
} else {
logd("id does not match targetWifiConfiguration");
return;
}
/*
* Try authentication in the following order.
*
* Standard Cellular_auth Type Command
*
* 1. 3GPP TS 31.102 3G_authentication [Length][RAND][Length][AUTN]
* [Length][RES][Length][CK][Length][IK] and more
* 2. 3GPP TS 31.102 2G_authentication [Length][RAND]
* [Length][SRES][Length][Cipher Key Kc]
* 3. 3GPP TS 11.11 2G_authentication [RAND]
* [SRES][Cipher Key Kc]
*/
String response =
TelephonyUtil.getGsmSimAuthResponse(requestData.data, getTelephonyManager());
if (response == null) {
// In case of failure, issue may be due to sim type, retry as No.2 case
response = TelephonyUtil.getGsmSimpleSimAuthResponse(requestData.data,
getTelephonyManager());
if (response == null) {
// In case of failure, issue may be due to sim type, retry as No.3 case
response = TelephonyUtil.getGsmSimpleSimNoLengthAuthResponse(requestData.data,
getTelephonyManager());
}
}
if (response == null || response.length() == 0) {
mWifiNative.simAuthFailedResponse(mInterfaceName, requestData.networkId);
} else {
logv("Supplicant Response -" + response);
mWifiNative.simAuthResponse(
mInterfaceName, requestData.networkId,
WifiNative.SIM_AUTH_RESP_TYPE_GSM_AUTH, response);
}
}
void handle3GAuthRequest(SimAuthRequestData requestData) {
if (mTargetWifiConfiguration == null
|| mTargetWifiConfiguration.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(
mInterfaceName, requestData.networkId, response.type, response.response);
} else {
mWifiNative.umtsAuthFailedResponse(mInterfaceName, requestData.networkId);
}
}
/**
* Automatically connect to the network specified
*
* @param networkId ID of the network to connect to
* @param uid UID of the app triggering the connection.
* @param bssid BSSID of the network
*/
public void startConnectToNetwork(int networkId, int uid, String bssid) {
sendMessage(CMD_START_CONNECT, networkId, uid, 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 startRoamToNetwork(int networkId, ScanResult scanResult) {
sendMessage(CMD_START_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
*/
public void updateWifiMetrics() {
mWifiMetrics.updateSavedNetworks(mWifiConfigManager.getSavedNetworks(Process.WIFI_UID));
mPasspointManager.updateMetrics();
}
/**
* Private method to handle calling WifiConfigManager to forget/remove network configs and reply
* to the message from the sender of the outcome.
*
* The current implementation requires that forget and remove be handled in different ways
* (responses are handled differently). In the interests of organization, the handling is all
* now in this helper method. TODO: b/35257965 is filed to track the possibility of merging
* the two call paths.
*/
private boolean deleteNetworkConfigAndSendReply(Message message, boolean calledFromForget) {
boolean success = mWifiConfigManager.removeNetwork(message.arg1, message.sendingUid);
if (!success) {
loge("Failed to remove network");
}
if (calledFromForget) {
if (success) {
replyToMessage(message, WifiManager.FORGET_NETWORK_SUCCEEDED);
broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_FORGOT,
(WifiConfiguration) message.obj);
return true;
}
replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, WifiManager.ERROR);
return false;
} else {
// Remaining calls are from the removeNetwork path
if (success) {
replyToMessage(message, message.what, SUCCESS);
return true;
}
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, message.what, FAILURE);
return false;
}
}
/**
* Private method to handle calling WifiConfigManager to add & enable network configs and reply
* to the message from the sender of the outcome.
*
* @return NetworkUpdateResult with networkId of the added/updated configuration. Will return
* {@link WifiConfiguration#INVALID_NETWORK_ID} in case of error.
*/
private NetworkUpdateResult saveNetworkConfigAndSendReply(Message message) {
WifiConfiguration config = (WifiConfiguration) message.obj;
if (config == null) {
loge("SAVE_NETWORK with null configuration "
+ mSupplicantStateTracker.getSupplicantStateName()
+ " my state " + getCurrentState().getName());
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR);
return new NetworkUpdateResult(WifiConfiguration.INVALID_NETWORK_ID);
}
NetworkUpdateResult result =
mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid);
if (!result.isSuccess()) {
loge("SAVE_NETWORK adding/updating config=" + config + " failed");
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR);
return result;
}
if (!mWifiConfigManager.enableNetwork(
result.getNetworkId(), false, message.sendingUid)) {
loge("SAVE_NETWORK enabling config=" + config + " failed");
mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL;
replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR);
return new NetworkUpdateResult(WifiConfiguration.INVALID_NETWORK_ID);
}
broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config);
replyToMessage(message, WifiManager.SAVE_NETWORK_SUCCEEDED);
return result;
}
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);
}
/**
* 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.getConfiguredNetwork(mTargetNetworkId);
if (currentConfig != null) {
return currentConfig.SSID;
}
return null;
}
/**
* Send message to WifiP2pServiceImpl.
* @return true if message is sent.
* false if there is no channel configured for WifiP2pServiceImpl.
*/
private boolean p2pSendMessage(int what) {
if (mWifiP2pChannel != null) {
mWifiP2pChannel.sendMessage(what);
return true;
}
return false;
}
/**
* Send message to WifiP2pServiceImpl with an additional param |arg1|.
* @return true if message is sent.
* false if there is no channel configured for WifiP2pServiceImpl.
*/
private boolean p2pSendMessage(int what, int arg1) {
if (mWifiP2pChannel != null) {
mWifiP2pChannel.sendMessage(what, arg1);
return true;
}
return false;
}
/**
* Check if there is any connection request for WiFi network.
*/
private boolean hasConnectionRequests() {
return mNetworkFactory.hasConnectionRequests()
|| mUntrustedNetworkFactory.hasConnectionRequests();
}
/**
* Returns whether CMD_IP_REACHABILITY_LOST events should trigger disconnects.
*/
public boolean getIpReachabilityDisconnectEnabled() {
return mIpReachabilityDisconnectEnabled;
}
/**
* Sets whether CMD_IP_REACHABILITY_LOST events should trigger disconnects.
*/
public void setIpReachabilityDisconnectEnabled(boolean enabled) {
mIpReachabilityDisconnectEnabled = enabled;
}
/**
* Sends a message to initialize the ClientModeImpl.
*
* @return true if succeeded, false otherwise.
*/
public boolean syncInitialize(AsyncChannel channel) {
Message resultMsg = channel.sendMessageSynchronously(CMD_INITIALIZE);
boolean result = (resultMsg.arg1 != FAILURE);
resultMsg.recycle();
return result;
}
/**
* Add a network request match callback to {@link WifiNetworkFactory}.
*/
public void addNetworkRequestMatchCallback(IBinder binder,
INetworkRequestMatchCallback callback,
int callbackIdentifier) {
mNetworkFactory.addCallback(binder, callback, callbackIdentifier);
}
/**
* Remove a network request match callback from {@link WifiNetworkFactory}.
*/
public void removeNetworkRequestMatchCallback(int callbackIdentifier) {
mNetworkFactory.removeCallback(callbackIdentifier);
}
/**
* Remove all approved access points from {@link WifiNetworkFactory} for the provided package.
*/
public void removeNetworkRequestUserApprovedAccessPointsForApp(@NonNull String packageName) {
mNetworkFactory.removeUserApprovedAccessPointsForApp(packageName);
}
/**
* Clear all approved access points from {@link WifiNetworkFactory}.
*/
public void clearNetworkRequestUserApprovedAccessPoints() {
mNetworkFactory.clear();
}
/**
* Gets the factory MAC address of wlan0 (station interface).
* @return String representation of the factory MAC address.
*/
public String getFactoryMacAddress() {
MacAddress macAddress = mWifiNative.getFactoryMacAddress(mInterfaceName);
if (macAddress != null) {
return macAddress.toString();
}
if (!mConnectedMacRandomzationSupported) {
return mWifiNative.getMacAddress(mInterfaceName);
}
return null;
}
/**
* Sets the current device mobility state.
* @param state the new device mobility state
*/
public void setDeviceMobilityState(@DeviceMobilityState int state) {
mWifiConnectivityManager.setDeviceMobilityState(state);
}
/**
* Updates the Wi-Fi usability score.
* @param seqNum Sequence number of the Wi-Fi usability score.
* @param score The Wi-Fi usability score.
* @param predictionHorizonSec Prediction horizon of the Wi-Fi usability score.
*/
public void updateWifiUsabilityScore(int seqNum, int score, int predictionHorizonSec) {
mWifiMetrics.incrementWifiUsabilityScoreCount(seqNum, score, predictionHorizonSec);
}
/**
* Sends a link probe.
*/
@VisibleForTesting
public void probeLink(WifiNative.SendMgmtFrameCallback callback, int mcs) {
mWifiNative.probeLink(mInterfaceName, MacAddress.fromString(mWifiInfo.getBSSID()),
callback, mcs);
}
}