| /* |
| * 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 RfcommSocketAcceptThread mRfcommAcceptThread = null; |
| static private L2capSocketAcceptThread mL2capAcceptThread = null; |
| static private Handler mSessionHandler = null; |
| static private BluetoothServerSocket mRfcommServerSocket = null; |
| static private BluetoothServerSocket mL2capServerSocket = null; |
| static private ServerSession mMnsServerSession = null; |
| private static final int SDP_MAP_MNS_VERSION = 0x0102; |
| private static final int SDP_MAP_MNS_FEATURES = 0x0000007F; |
| private int mMnsSdpHandle = -1;; |
| |
| 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 RfcommSocketAcceptThread extends Thread { |
| |
| private boolean mInterrupted = false; |
| |
| @Override |
| public void run() { |
| |
| while (!mInterrupted) { |
| try { |
| Log.v(TAG, "waiting to accept connection on Rfcomm socket..."); |
| |
| BluetoothSocket sock = mRfcommServerSocket.accept(); |
| |
| Log.v(TAG, "new incoming connection from " |
| + sock.getRemoteDevice().getName() + " on rfcomm socket"); |
| |
| // session will live until closed by remote |
| BluetoothMnsObexServer srv = new BluetoothMnsObexServer(mSessionHandler); |
| BluetoothMapTransport transport = new BluetoothMapTransport( |
| sock, BluetoothSocket.TYPE_RFCOMM); |
| mMnsServerSession = new ServerSession(transport, srv, null); |
| } catch (IOException ex) { |
| Log.v(TAG, "I/O exception when waiting to accept (aborted)"); |
| mInterrupted = true; |
| } |
| } |
| |
| if (mRfcommServerSocket != null) { |
| try { |
| mRfcommServerSocket.close(); |
| } catch (IOException e) { |
| Log.v(TAG, "I/O exception while closing rfcomm socket", e); |
| } |
| |
| mRfcommServerSocket = null; |
| } |
| } |
| } |
| |
| private static class L2capSocketAcceptThread extends Thread { |
| |
| private boolean mInterrupted = false; |
| |
| @Override |
| public void run() { |
| |
| while (!mInterrupted) { |
| try { |
| Log.v(TAG, "waiting to accept connection on l2cap socket..."); |
| |
| BluetoothSocket sock = mL2capServerSocket.accept(); |
| |
| Log.v(TAG, "new incoming connection from " |
| + sock.getRemoteDevice().getName() + " on l2cap socket"); |
| |
| // session will live until closed by remote |
| BluetoothMnsObexServer srv = new BluetoothMnsObexServer(mSessionHandler); |
| BluetoothMapTransport transport = new BluetoothMapTransport( |
| sock, BluetoothSocket.TYPE_L2CAP); |
| mMnsServerSession = new ServerSession(transport, srv, null); |
| } catch (IOException ex) { |
| Log.v(TAG, "I/O exception when waiting to accept (aborted)"); |
| mInterrupted = true; |
| } |
| } |
| |
| if (mL2capServerSocket != null) { |
| try { |
| mL2capServerSocket.close(); |
| } catch (IOException e) { |
| Log.v(TAG, "I/O exception while closing l2cap socket", e); |
| } |
| |
| mL2capServerSocket = 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); |
| } |
| } |
| |
| private void startServerSocketsListener() { |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| int socketChannel = BluetoothAdapter.SOCKET_CHANNEL_AUTO_STATIC_NO_SDP; |
| boolean initSocketOK = true; |
| String createSocketType = new String("rfcomm server socket"); |
| |
| Log.v(TAG, "startServerSocketsListener: mRfcommServerSocket: " + mRfcommServerSocket |
| + " mL2capServerSocket: " + mL2capServerSocket); |
| |
| try { |
| if (mRfcommServerSocket == null) { |
| mRfcommServerSocket = adapter.listenUsingRfcommOn(socketChannel); |
| } |
| |
| createSocketType = "l2cap server socket"; |
| if (mL2capServerSocket == null) { |
| mL2capServerSocket = adapter.listenUsingL2capOn(socketChannel); |
| } |
| } catch (IOException e) { |
| Log.e(TAG, "I/O exception when trying to create " + createSocketType, e); |
| initSocketOK =false; |
| } |
| |
| if (initSocketOK) { |
| startAcceptThread(); |
| if(mMnsSdpHandle >= 0) { |
| Log.d(TAG, "Removing Mns SDP record: " + mMnsSdpHandle); |
| adapter.removeSdpRecord(mMnsSdpHandle); |
| mMnsSdpHandle = -1; |
| } |
| mMnsSdpHandle = adapter.createMapMnsSdpRecord("MAP Message Notification Service", |
| mRfcommServerSocket.getChannel(), mL2capServerSocket.getChannel(), |
| SDP_MAP_MNS_VERSION, SDP_MAP_MNS_FEATURES); |
| } |
| } |
| |
| private void startAcceptThread() { |
| Log.v(TAG, "startAcceptThread: mRfcommAcceptThread: " + mRfcommAcceptThread |
| + "mL2capAcceptThread: " + mL2capAcceptThread); |
| if (mRfcommAcceptThread == null) { |
| mRfcommAcceptThread = new RfcommSocketAcceptThread(); |
| mRfcommAcceptThread.setName("BluetoothMnsRfcommAcceptThread"); |
| mRfcommAcceptThread.start(); |
| } |
| |
| if (mL2capAcceptThread == null) { |
| mL2capAcceptThread = new L2capSocketAcceptThread(); |
| mL2capAcceptThread.setName("BluetoothMnsL2capAcceptThread"); |
| mL2capAcceptThread.start(); |
| } |
| } |
| |
| public void closeServerSockets() { |
| closeRfcommSocket(); |
| closeL2capSocket(); |
| } |
| |
| public void closeRfcommSocket() |
| { |
| Log.v(TAG, "closeRfcommSocket(): mRfcommServerSocket: " + mRfcommServerSocket |
| + " mRfcommAcceptThread: " + mRfcommAcceptThread); |
| if (mRfcommServerSocket != null) { |
| try { |
| mRfcommServerSocket.close(); |
| } catch (IOException e) { |
| Log.v(TAG, "closeRfcommSocket(): " + e); |
| } |
| |
| mRfcommServerSocket = null; |
| } |
| |
| if (mRfcommAcceptThread != null) { |
| |
| mRfcommAcceptThread.interrupt(); |
| |
| try { |
| mRfcommAcceptThread.join(2000); |
| } catch (InterruptedException e) { |
| Log.v(TAG, "closeRfcommSocket(): " + e); |
| } |
| |
| mRfcommAcceptThread = null; |
| } |
| } |
| |
| public void closeL2capSocket() |
| { |
| Log.v(TAG, "closeL2capSocket(): mL2capServerSocket: " + mL2capServerSocket |
| + " mL2capAcceptThread: " + mL2capAcceptThread); |
| if (mL2capServerSocket != null) { |
| try { |
| mL2capServerSocket.close(); |
| } catch (IOException e) { |
| Log.v(TAG, "closeL2capSocket(): " + e); |
| } |
| |
| mL2capServerSocket = null; |
| } |
| |
| if (mL2capAcceptThread != null) { |
| |
| mL2capAcceptThread.interrupt(); |
| |
| try { |
| mL2capAcceptThread.join(2000); |
| } catch (InterruptedException e) { |
| Log.v(TAG, "closeL2capSocket(): " + e); |
| } |
| |
| mL2capAcceptThread = null; |
| } |
| } |
| |
| public void registerCallback(int instanceId, Handler callback) { |
| |
| synchronized (mCallbacks) { |
| Log.v(TAG, "registerCallback(): cb: " + mCallbacks.size()); |
| if (mCallbacks.size() == 0) { |
| Log.v(TAG, "registerCallback(): starting MNS server"); |
| startServerSocketsListener(); |
| } |
| mCallbacks.put(instanceId, callback); |
| } |
| } |
| |
| public void unregisterCallback(int instanceId) { |
| |
| synchronized (mCallbacks) { |
| Log.v(TAG, "unregisterCallback(): instanceId: " + instanceId |
| + " cb: " + mCallbacks.size()); |
| mCallbacks.remove(instanceId); |
| |
| if (mCallbacks.size() == 0) { |
| Log.v(TAG, "unregisterCallback(): shutting down MNS server: mMnsServerSession: " |
| + mMnsServerSession); |
| |
| if(mMnsSdpHandle >= 0) { |
| Log.d(TAG, "Removing Mns SDP record: " + mMnsSdpHandle); |
| BluetoothAdapter.getDefaultAdapter().removeSdpRecord(mMnsSdpHandle); |
| mMnsSdpHandle = -1; |
| } |
| closeServerSockets(); |
| } |
| } |
| } |
| } |