| /* |
| * Copyright (C) 2011 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 android.net.wifi.p2p; |
| |
| import android.os.Parcelable; |
| import android.os.Parcel; |
| import android.util.Log; |
| |
| import java.util.regex.Pattern; |
| import java.util.regex.Matcher; |
| |
| /** |
| * A class representing a Wi-Fi p2p device |
| * |
| * Note that the operations are not thread safe |
| * {@see WifiP2pManager} |
| */ |
| public class WifiP2pDevice implements Parcelable { |
| |
| private static final String TAG = "WifiP2pDevice"; |
| |
| /** |
| * The device name is a user friendly string to identify a Wi-Fi p2p device |
| */ |
| public String deviceName = ""; |
| |
| /** |
| * The device MAC address uniquely identifies a Wi-Fi p2p device |
| */ |
| public String deviceAddress = ""; |
| |
| /** |
| * Primary device type identifies the type of device. For example, an application |
| * could filter the devices discovered to only display printers if the purpose is to |
| * enable a printing action from the user. See the Wi-Fi Direct technical specification |
| * for the full list of standard device types supported. |
| */ |
| public String primaryDeviceType; |
| |
| /** |
| * Secondary device type is an optional attribute that can be provided by a device in |
| * addition to the primary device type. |
| */ |
| public String secondaryDeviceType; |
| |
| |
| // These definitions match the ones in wpa_supplicant |
| /* WPS config methods supported */ |
| private static final int WPS_CONFIG_DISPLAY = 0x0008; |
| private static final int WPS_CONFIG_PUSHBUTTON = 0x0080; |
| private static final int WPS_CONFIG_KEYPAD = 0x0100; |
| |
| /* Device Capability bitmap */ |
| private static final int DEVICE_CAPAB_SERVICE_DISCOVERY = 1; |
| private static final int DEVICE_CAPAB_CLIENT_DISCOVERABILITY = 1<<1; |
| private static final int DEVICE_CAPAB_CONCURRENT_OPER = 1<<2; |
| private static final int DEVICE_CAPAB_INFRA_MANAGED = 1<<3; |
| private static final int DEVICE_CAPAB_DEVICE_LIMIT = 1<<4; |
| private static final int DEVICE_CAPAB_INVITATION_PROCEDURE = 1<<5; |
| |
| /* Group Capability bitmap */ |
| private static final int GROUP_CAPAB_GROUP_OWNER = 1; |
| private static final int GROUP_CAPAB_PERSISTENT_GROUP = 1<<1; |
| private static final int GROUP_CAPAB_GROUP_LIMIT = 1<<2; |
| private static final int GROUP_CAPAB_INTRA_BSS_DIST = 1<<3; |
| private static final int GROUP_CAPAB_CROSS_CONN = 1<<4; |
| private static final int GROUP_CAPAB_PERSISTENT_RECONN = 1<<5; |
| private static final int GROUP_CAPAB_GROUP_FORMATION = 1<<6; |
| |
| /** |
| * WPS config methods supported |
| * @hide |
| */ |
| public int wpsConfigMethodsSupported; |
| |
| /** |
| * Device capability |
| * @hide |
| */ |
| public int deviceCapability; |
| |
| /** |
| * Group capability |
| * @hide |
| */ |
| public int groupCapability; |
| |
| public static final int CONNECTED = 0; |
| public static final int INVITED = 1; |
| public static final int FAILED = 2; |
| public static final int AVAILABLE = 3; |
| public static final int UNAVAILABLE = 4; |
| |
| /** Device connection status */ |
| public int status = UNAVAILABLE; |
| |
| /** @hide */ |
| public WifiP2pWfdInfo wfdInfo; |
| |
| /** Detailed device string pattern with WFD info |
| * Example: |
| * P2P-DEVICE-FOUND 00:18:6b:de:a3:6e p2p_dev_addr=00:18:6b:de:a3:6e |
| * pri_dev_type=1-0050F204-1 name='DWD-300-DEA36E' config_methods=0x188 |
| * dev_capab=0x21 group_capab=0x9 |
| */ |
| private static final Pattern detailedDevicePattern = Pattern.compile( |
| "((?:[0-9a-f]{2}:){5}[0-9a-f]{2}) " + |
| "(\\d+ )?" + |
| "p2p_dev_addr=((?:[0-9a-f]{2}:){5}[0-9a-f]{2}) " + |
| "pri_dev_type=(\\d+-[0-9a-fA-F]+-\\d+) " + |
| "name='(.*)' " + |
| "config_methods=(0x[0-9a-fA-F]+) " + |
| "dev_capab=(0x[0-9a-fA-F]+) " + |
| "group_capab=(0x[0-9a-fA-F]+)" + |
| "( wfd_dev_info=0x([0-9a-fA-F]{12}))?" |
| ); |
| |
| /** 2 token device address pattern |
| * Example: |
| * P2P-DEVICE-LOST p2p_dev_addr=fa:7b:7a:42:02:13 |
| * AP-STA-DISCONNECTED 42:fc:89:a8:96:09 |
| */ |
| private static final Pattern twoTokenPattern = Pattern.compile( |
| "(p2p_dev_addr=)?((?:[0-9a-f]{2}:){5}[0-9a-f]{2})" |
| ); |
| |
| /** 3 token device address pattern |
| * Example: |
| * AP-STA-CONNECTED 42:fc:89:a8:96:09 p2p_dev_addr=fa:7b:7a:42:02:13 |
| * AP-STA-DISCONNECTED 42:fc:89:a8:96:09 p2p_dev_addr=fa:7b:7a:42:02:13 |
| */ |
| private static final Pattern threeTokenPattern = Pattern.compile( |
| "(?:[0-9a-f]{2}:){5}[0-9a-f]{2} p2p_dev_addr=((?:[0-9a-f]{2}:){5}[0-9a-f]{2})" |
| ); |
| |
| |
| public WifiP2pDevice() { |
| } |
| |
| /** |
| * @param string formats supported include |
| * P2P-DEVICE-FOUND fa:7b:7a:42:02:13 p2p_dev_addr=fa:7b:7a:42:02:13 |
| * pri_dev_type=1-0050F204-1 name='p2p-TEST1' config_methods=0x188 dev_capab=0x27 |
| * group_capab=0x0 wfd_dev_info=000006015d022a0032 |
| * |
| * P2P-DEVICE-LOST p2p_dev_addr=fa:7b:7a:42:02:13 |
| * |
| * AP-STA-CONNECTED 42:fc:89:a8:96:09 [p2p_dev_addr=02:90:4c:a0:92:54] |
| * |
| * AP-STA-DISCONNECTED 42:fc:89:a8:96:09 [p2p_dev_addr=02:90:4c:a0:92:54] |
| * |
| * fa:7b:7a:42:02:13 |
| * |
| * Note: The events formats can be looked up in the wpa_supplicant code |
| * @hide |
| */ |
| public WifiP2pDevice(String string) throws IllegalArgumentException { |
| String[] tokens = string.split("[ \n]"); |
| Matcher match; |
| |
| if (tokens.length < 1) { |
| throw new IllegalArgumentException("Malformed supplicant event"); |
| } |
| |
| switch (tokens.length) { |
| case 1: |
| /* Just a device address */ |
| deviceAddress = string; |
| return; |
| case 2: |
| match = twoTokenPattern.matcher(string); |
| if (!match.find()) { |
| throw new IllegalArgumentException("Malformed supplicant event"); |
| } |
| deviceAddress = match.group(2); |
| return; |
| case 3: |
| match = threeTokenPattern.matcher(string); |
| if (!match.find()) { |
| throw new IllegalArgumentException("Malformed supplicant event"); |
| } |
| deviceAddress = match.group(1); |
| return; |
| default: |
| match = detailedDevicePattern.matcher(string); |
| if (!match.find()) { |
| throw new IllegalArgumentException("Malformed supplicant event"); |
| } |
| |
| deviceAddress = match.group(3); |
| primaryDeviceType = match.group(4); |
| deviceName = match.group(5); |
| wpsConfigMethodsSupported = parseHex(match.group(6)); |
| deviceCapability = parseHex(match.group(7)); |
| groupCapability = parseHex(match.group(8)); |
| if (match.group(9) != null) { |
| String str = match.group(10); |
| wfdInfo = new WifiP2pWfdInfo(parseHex(str.substring(0,4)), |
| parseHex(str.substring(4,8)), |
| parseHex(str.substring(8,12))); |
| } |
| break; |
| } |
| |
| if (tokens[0].startsWith("P2P-DEVICE-FOUND")) { |
| status = AVAILABLE; |
| } |
| } |
| |
| /** Returns true if WPS push button configuration is supported */ |
| public boolean wpsPbcSupported() { |
| return (wpsConfigMethodsSupported & WPS_CONFIG_PUSHBUTTON) != 0; |
| } |
| |
| /** Returns true if WPS keypad configuration is supported */ |
| public boolean wpsKeypadSupported() { |
| return (wpsConfigMethodsSupported & WPS_CONFIG_KEYPAD) != 0; |
| } |
| |
| /** Returns true if WPS display configuration is supported */ |
| public boolean wpsDisplaySupported() { |
| return (wpsConfigMethodsSupported & WPS_CONFIG_DISPLAY) != 0; |
| } |
| |
| /** Returns true if the device is capable of service discovery */ |
| public boolean isServiceDiscoveryCapable() { |
| return (deviceCapability & DEVICE_CAPAB_SERVICE_DISCOVERY) != 0; |
| } |
| |
| /** Returns true if the device is capable of invitation {@hide}*/ |
| public boolean isInvitationCapable() { |
| return (deviceCapability & DEVICE_CAPAB_INVITATION_PROCEDURE) != 0; |
| } |
| |
| /** Returns true if the device reaches the limit. {@hide}*/ |
| public boolean isDeviceLimit() { |
| return (deviceCapability & DEVICE_CAPAB_DEVICE_LIMIT) != 0; |
| } |
| |
| /** Returns true if the device is a group owner */ |
| public boolean isGroupOwner() { |
| return (groupCapability & GROUP_CAPAB_GROUP_OWNER) != 0; |
| } |
| |
| /** Returns true if the group reaches the limit. {@hide}*/ |
| public boolean isGroupLimit() { |
| return (groupCapability & GROUP_CAPAB_GROUP_LIMIT) != 0; |
| } |
| |
| /** |
| * Update device details. This will be throw an exception if the device address |
| * does not match. |
| * @param device to be updated |
| * @throws IllegalArgumentException if the device is null or device address does not match |
| * @hide |
| */ |
| public void update(WifiP2pDevice device) { |
| updateSupplicantDetails(device); |
| status = device.status; |
| } |
| |
| /** Updates details obtained from supplicant @hide */ |
| public void updateSupplicantDetails(WifiP2pDevice device) { |
| if (device == null) { |
| throw new IllegalArgumentException("device is null"); |
| } |
| if (device.deviceAddress == null) { |
| throw new IllegalArgumentException("deviceAddress is null"); |
| } |
| if (!deviceAddress.equals(device.deviceAddress)) { |
| throw new IllegalArgumentException("deviceAddress does not match"); |
| } |
| deviceName = device.deviceName; |
| primaryDeviceType = device.primaryDeviceType; |
| secondaryDeviceType = device.secondaryDeviceType; |
| wpsConfigMethodsSupported = device.wpsConfigMethodsSupported; |
| deviceCapability = device.deviceCapability; |
| groupCapability = device.groupCapability; |
| wfdInfo = device.wfdInfo; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) return true; |
| if (!(obj instanceof WifiP2pDevice)) return false; |
| |
| WifiP2pDevice other = (WifiP2pDevice) obj; |
| if (other == null || other.deviceAddress == null) { |
| return (deviceAddress == null); |
| } |
| return other.deviceAddress.equals(deviceAddress); |
| } |
| |
| public String toString() { |
| StringBuffer sbuf = new StringBuffer(); |
| sbuf.append("Device: ").append(deviceName); |
| sbuf.append("\n deviceAddress: ").append(deviceAddress); |
| sbuf.append("\n primary type: ").append(primaryDeviceType); |
| sbuf.append("\n secondary type: ").append(secondaryDeviceType); |
| sbuf.append("\n wps: ").append(wpsConfigMethodsSupported); |
| sbuf.append("\n grpcapab: ").append(groupCapability); |
| sbuf.append("\n devcapab: ").append(deviceCapability); |
| sbuf.append("\n status: ").append(status); |
| sbuf.append("\n wfdInfo: ").append(wfdInfo); |
| return sbuf.toString(); |
| } |
| |
| /** Implement the Parcelable interface */ |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** copy constructor */ |
| public WifiP2pDevice(WifiP2pDevice source) { |
| if (source != null) { |
| deviceName = source.deviceName; |
| deviceAddress = source.deviceAddress; |
| primaryDeviceType = source.primaryDeviceType; |
| secondaryDeviceType = source.secondaryDeviceType; |
| wpsConfigMethodsSupported = source.wpsConfigMethodsSupported; |
| deviceCapability = source.deviceCapability; |
| groupCapability = source.groupCapability; |
| status = source.status; |
| wfdInfo = new WifiP2pWfdInfo(source.wfdInfo); |
| } |
| } |
| |
| /** Implement the Parcelable interface */ |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(deviceName); |
| dest.writeString(deviceAddress); |
| dest.writeString(primaryDeviceType); |
| dest.writeString(secondaryDeviceType); |
| dest.writeInt(wpsConfigMethodsSupported); |
| dest.writeInt(deviceCapability); |
| dest.writeInt(groupCapability); |
| dest.writeInt(status); |
| if (wfdInfo != null) { |
| dest.writeInt(1); |
| wfdInfo.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| } |
| |
| /** Implement the Parcelable interface */ |
| public static final Creator<WifiP2pDevice> CREATOR = |
| new Creator<WifiP2pDevice>() { |
| public WifiP2pDevice createFromParcel(Parcel in) { |
| WifiP2pDevice device = new WifiP2pDevice(); |
| device.deviceName = in.readString(); |
| device.deviceAddress = in.readString(); |
| device.primaryDeviceType = in.readString(); |
| device.secondaryDeviceType = in.readString(); |
| device.wpsConfigMethodsSupported = in.readInt(); |
| device.deviceCapability = in.readInt(); |
| device.groupCapability = in.readInt(); |
| device.status = in.readInt(); |
| if (in.readInt() == 1) { |
| device.wfdInfo = WifiP2pWfdInfo.CREATOR.createFromParcel(in); |
| } |
| return device; |
| } |
| |
| public WifiP2pDevice[] newArray(int size) { |
| return new WifiP2pDevice[size]; |
| } |
| }; |
| |
| //supported formats: 0x1abc, 0X1abc, 1abc |
| private int parseHex(String hexString) { |
| int num = 0; |
| if (hexString.startsWith("0x") || hexString.startsWith("0X")) { |
| hexString = hexString.substring(2); |
| } |
| |
| try { |
| num = Integer.parseInt(hexString, 16); |
| } catch(NumberFormatException e) { |
| Log.e(TAG, "Failed to parse hex string " + hexString); |
| } |
| return num; |
| } |
| } |
