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Commit 530040e0 authored by Irfan Sheriff's avatar Irfan Sheriff
Browse files

p2p enhancements 

- Add device name on SSID for legacy devices to discover a given
group and join

- Do not remove a group for a device lost event which only indicates
discovery is stopped

Change-Id: Id431c29da371986e694ab230d72d32061b209ebe
parent 618455f7

wifi/java/android/net/wifi/WifiNative.java

+4 −0
Original line number Diff line number Diff line
@@ -239,6 +239,10 @@ public class WifiNative { 
        return WifiNative.doBooleanCommand("SET config_methods " + cfg);

    }



    public static boolean setP2pSsidPostfix(String postfix) {

        return WifiNative.doBooleanCommand("SET p2p_ssid_postfix " + postfix);

    }



    public static boolean p2pFind() {

        return doBooleanCommand("P2P_FIND");

    }

wifi/java/android/net/wifi/p2p/WifiP2pGroup.java

+6 −0
Original line number Diff line number Diff line
@@ -172,6 +172,12 @@ public class WifiP2pGroup implements Parcelable { 
        return mClients.size() == 0;

    }



    /** @hide Returns {@code true} if the device is part of the group */

    public boolean contains(WifiP2pDevice device) {

        if (mOwner.equals(device) || mClients.contains(device)) return true;

        return false;

    }



    /** Get the list of clients currently part of the p2p group */

    public Collection<WifiP2pDevice> getClientList() {

        return Collections.unmodifiableCollection(mClients);

wifi/java/android/net/wifi/p2p/WifiP2pService.java

+8 −9
Original line number Diff line number Diff line
@@ -1088,16 +1088,13 @@ public class WifiP2pService extends IWifiP2pManager.Stub { 
                    break;

                case WifiMonitor.P2P_DEVICE_LOST_EVENT:

                    WifiP2pDevice device = (WifiP2pDevice) message.obj;

                    if (device.equals(mGroup.getOwner())) {

                        logd("Lost the group owner, killing p2p connection");

                        WifiNative.p2pGroupRemove(mGroup.getInterface());

                    } else if (mGroup.removeClient(device)) {

                        if (!mPersistGroup && mGroup.isClientListEmpty()) {

                            Slog.d(TAG, "Client list empty, removing a non-persistent p2p group");

                            WifiNative.p2pGroupRemove(mGroup.getInterface());

                        }

                    //Device loss for a connected device indicates it is not in discovery any more

                    if (mGroup.contains(device)) {

                        if (DBG) logd("Lost " + device +" , do nothing");

                        return HANDLED;

                    }

                    return NOT_HANDLED; // Do the regular device lost handling

                    // Do the regular device lost handling

                    return NOT_HANDLED;

                case WifiP2pManager.DISABLE_P2P:

                    sendMessage(WifiP2pManager.REMOVE_GROUP);

                    deferMessage(message);
@@ -1401,6 +1398,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub { 
    private void initializeP2pSettings() {

        WifiNative.setPersistentReconnect(true);

        WifiNative.setDeviceName(mThisDevice.deviceName);

        //DIRECT-XY-DEVICENAME (XY is randomly generated)

        WifiNative.setP2pSsidPostfix("-" + mThisDevice.deviceName);

        WifiNative.setDeviceType(mThisDevice.primaryDeviceType);

        //The supplicant default is to support everything, but a bug necessitates

        //the framework to specify this explicitly