1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.bluetooth.mapclient; 18 19 import android.bluetooth.BluetoothDevice; 20 import android.bluetooth.BluetoothServerSocket; 21 import android.bluetooth.BluetoothSocket; 22 import android.os.Handler; 23 import android.util.Log; 24 25 import com.android.bluetooth.BluetoothObexTransport; 26 import com.android.bluetooth.IObexConnectionHandler; 27 import com.android.bluetooth.ObexServerSockets; 28 import com.android.bluetooth.sdp.SdpManager; 29 30 import java.io.IOException; 31 32 import javax.obex.ServerSession; 33 34 class MnsService { 35 static final int MSG_EVENT = 1; 36 /* for Client */ 37 static final int EVENT_REPORT = 1001; 38 private static final String TAG = "MnsService"; 39 private static final Boolean DBG = MapClientService.DBG; 40 private static final Boolean VDBG = MapClientService.VDBG; 41 /* MAP version 1.1 */ 42 private static final int MNS_VERSION = 0x0101; 43 /* MNS features: Notification Feature */ 44 private static final int MNS_FEATURE_BITS = 0x0002; 45 /* these are shared across instances */ 46 static private SocketAcceptor mAcceptThread = null; 47 static private Handler mSessionHandler = null; 48 static private BluetoothServerSocket mServerSocket = null; 49 static private ObexServerSockets mServerSockets = null; 50 51 static private MapClientService mContext; 52 private volatile boolean mShutdown = false; // Used to interrupt socket accept thread 53 MnsService(MapClientService context)54 MnsService(MapClientService context) { 55 if (VDBG) Log.v(TAG, "MnsService()"); 56 mContext = context; 57 mAcceptThread = new SocketAcceptor(); 58 mServerSockets = ObexServerSockets.create(mAcceptThread); 59 SdpManager.getDefaultManager().createMapMnsRecord( 60 "MAP Message Notification Service", mServerSockets.getRfcommChannel(), -1, 61 MNS_VERSION, MNS_FEATURE_BITS); 62 } 63 stop()64 void stop() { 65 if (VDBG) Log.v(TAG, "stop()"); 66 mShutdown = true; 67 if (mServerSockets != null) { 68 mServerSockets.shutdown(false); 69 mServerSockets = null; 70 } 71 } 72 73 74 private class SocketAcceptor implements IObexConnectionHandler { 75 76 private boolean mInterrupted = false; 77 78 /** 79 * Called when an unrecoverable error occurred in an accept thread. 80 * Close down the server socket, and restart. 81 * TODO: Change to message, to call start in correct context. 82 */ 83 @Override onAcceptFailed()84 public synchronized void onAcceptFailed() { 85 Log.e(TAG, "OnAcceptFailed"); 86 mServerSockets = null; // Will cause a new to be created when calling start. 87 if (mShutdown) { 88 Log.e(TAG, "Failed to accept incomming connection - " + "shutdown"); 89 } 90 } 91 92 @Override onConnect(BluetoothDevice device, BluetoothSocket socket)93 public synchronized boolean onConnect(BluetoothDevice device, BluetoothSocket socket) { 94 if (DBG) Log.d(TAG, "onConnect" + device + " SOCKET: " + socket); 95 /* Signal to the service that we have received an incoming connection.*/ 96 MnsObexServer srv = new MnsObexServer( 97 mContext.mMceStateMachine, mServerSockets); 98 BluetoothObexTransport transport = new BluetoothObexTransport(socket); 99 try { 100 new ServerSession(transport, srv, null); 101 return true; 102 } catch (IOException e) { 103 Log.e(TAG, e.toString()); 104 return false; 105 } 106 } 107 } 108 } 109