| /* |
| * Copyright (C) 2014 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.bluetooth.client.map; |
| |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothServerSocket; |
| import android.bluetooth.BluetoothSocket; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.ParcelUuid; |
| import android.util.Log; |
| import android.util.SparseArray; |
| |
| import java.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.lang.ref.WeakReference; |
| |
| import javax.obex.ServerSession; |
| |
| class BluetoothMnsService { |
| |
| private static final String TAG = "BluetoothMnsService"; |
| |
| private static final ParcelUuid MAP_MNS = |
| ParcelUuid.fromString("00001133-0000-1000-8000-00805F9B34FB"); |
| |
| static final int MSG_EVENT = 1; |
| |
| /* for BluetoothMasClient */ |
| static final int EVENT_REPORT = 1001; |
| |
| /* these are shared across instances */ |
| static private SparseArray<Handler> mCallbacks = null; |
| static private SocketAcceptThread mAcceptThread = null; |
| static private Handler mSessionHandler = null; |
| static private BluetoothServerSocket mServerSocket = null; |
| |
| private static class SessionHandler extends Handler { |
| |
| private final WeakReference<BluetoothMnsService> mService; |
| |
| SessionHandler(BluetoothMnsService service) { |
| mService = new WeakReference<BluetoothMnsService>(service); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| Log.d(TAG, "Handler: msg: " + msg.what); |
| |
| switch (msg.what) { |
| case MSG_EVENT: |
| int instanceId = msg.arg1; |
| |
| synchronized (mCallbacks) { |
| Handler cb = mCallbacks.get(instanceId); |
| |
| if (cb != null) { |
| BluetoothMapEventReport ev = (BluetoothMapEventReport) msg.obj; |
| cb.obtainMessage(EVENT_REPORT, ev).sendToTarget(); |
| } else { |
| Log.w(TAG, "Got event for instance which is not registered: " |
| + instanceId); |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| private static class SocketAcceptThread extends Thread { |
| |
| private boolean mInterrupted = false; |
| |
| @Override |
| public void run() { |
| |
| if (mServerSocket != null) { |
| Log.w(TAG, "Socket already created, exiting"); |
| return; |
| } |
| |
| try { |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| mServerSocket = adapter.listenUsingEncryptedRfcommWithServiceRecord( |
| "MAP Message Notification Service", MAP_MNS.getUuid()); |
| } catch (IOException e) { |
| mInterrupted = true; |
| Log.e(TAG, "I/O exception when trying to create server socket", e); |
| } |
| |
| while (!mInterrupted) { |
| try { |
| Log.v(TAG, "waiting to accept connection..."); |
| |
| BluetoothSocket sock = mServerSocket.accept(); |
| |
| Log.v(TAG, "new incoming connection from " |
| + sock.getRemoteDevice().getName()); |
| |
| // session will live until closed by remote |
| BluetoothMnsObexServer srv = new BluetoothMnsObexServer(mSessionHandler); |
| BluetoothMapRfcommTransport transport = new BluetoothMapRfcommTransport( |
| sock); |
| new ServerSession(transport, srv, null); |
| } catch (IOException ex) { |
| Log.v(TAG, "I/O exception when waiting to accept (aborted?)"); |
| mInterrupted = true; |
| } |
| } |
| |
| if (mServerSocket != null) { |
| try { |
| mServerSocket.close(); |
| } catch (IOException e) { |
| // do nothing |
| } |
| |
| mServerSocket = null; |
| } |
| } |
| } |
| |
| BluetoothMnsService() { |
| Log.v(TAG, "BluetoothMnsService()"); |
| |
| if (mCallbacks == null) { |
| Log.v(TAG, "BluetoothMnsService(): allocating callbacks"); |
| mCallbacks = new SparseArray<Handler>(); |
| } |
| |
| if (mSessionHandler == null) { |
| Log.v(TAG, "BluetoothMnsService(): allocating session handler"); |
| mSessionHandler = new SessionHandler(this); |
| } |
| } |
| |
| public void registerCallback(int instanceId, Handler callback) { |
| Log.v(TAG, "registerCallback()"); |
| |
| synchronized (mCallbacks) { |
| mCallbacks.put(instanceId, callback); |
| |
| if (mAcceptThread == null) { |
| Log.v(TAG, "registerCallback(): starting MNS server"); |
| mAcceptThread = new SocketAcceptThread(); |
| mAcceptThread.setName("BluetoothMnsAcceptThread"); |
| mAcceptThread.start(); |
| } |
| } |
| } |
| |
| public void unregisterCallback(int instanceId) { |
| Log.v(TAG, "unregisterCallback()"); |
| |
| synchronized (mCallbacks) { |
| mCallbacks.remove(instanceId); |
| |
| if (mCallbacks.size() == 0) { |
| Log.v(TAG, "unregisterCallback(): shutting down MNS server"); |
| |
| if (mServerSocket != null) { |
| try { |
| mServerSocket.close(); |
| } catch (IOException e) { |
| } |
| |
| mServerSocket = null; |
| } |
| |
| mAcceptThread.interrupt(); |
| |
| try { |
| mAcceptThread.join(5000); |
| } catch (InterruptedException e) { |
| } |
| |
| mAcceptThread = null; |
| } |
| } |
| } |
| } |