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.BluetoothProfile; 21 import android.bluetooth.BluetoothServerSocket; 22 import android.bluetooth.BluetoothSocket; 23 import android.os.Handler; 24 import android.util.Log; 25 26 import com.android.bluetooth.BluetoothObexTransport; 27 import com.android.bluetooth.IObexConnectionHandler; 28 import com.android.bluetooth.ObexServerSockets; 29 import com.android.bluetooth.Utils; 30 import com.android.bluetooth.sdp.SdpManager; 31 32 import java.io.IOException; 33 34 import javax.obex.ServerSession; 35 36 /** 37 * Message Notification Server implementation 38 */ 39 public class MnsService { 40 static final int MSG_EVENT = 1; 41 /* for Client */ 42 static final int EVENT_REPORT = 1001; 43 private static final String TAG = "MnsService"; 44 private static final Boolean DBG = MapClientService.DBG; 45 private static final Boolean VDBG = MapClientService.VDBG; 46 /* MAP version 1.4 */ 47 private static final int MNS_VERSION = 0x0104; 48 /* these are shared across instances */ 49 private static SocketAcceptor sAcceptThread = null; 50 private static Handler sSessionHandler = null; 51 private static BluetoothServerSocket sServerSocket = null; 52 private static ObexServerSockets sServerSockets = null; 53 54 private static MapClientService sContext; 55 private volatile boolean mShutdown = false; // Used to interrupt socket accept thread 56 private int mSdpHandle = -1; 57 MnsService(MapClientService context)58 MnsService(MapClientService context) { 59 if (VDBG) { 60 Log.v(TAG, "MnsService()"); 61 } 62 sContext = context; 63 sAcceptThread = new SocketAcceptor(); 64 sServerSockets = ObexServerSockets.create(sAcceptThread); 65 SdpManager sdpManager = SdpManager.getDefaultManager(); 66 if (sdpManager == null) { 67 Log.e(TAG, "SdpManager is null"); 68 return; 69 } 70 mSdpHandle = sdpManager.createMapMnsRecord("MAP Message Notification Service", 71 sServerSockets.getRfcommChannel(), sServerSockets.getL2capPsm(), MNS_VERSION, 72 MasClient.MAP_SUPPORTED_FEATURES); 73 } 74 stop()75 void stop() { 76 if (VDBG) { 77 Log.v(TAG, "stop()"); 78 } 79 mShutdown = true; 80 cleanUpSdpRecord(); 81 if (sServerSockets != null) { 82 sServerSockets.shutdown(false); 83 sServerSockets = null; 84 } 85 } 86 cleanUpSdpRecord()87 private void cleanUpSdpRecord() { 88 if (mSdpHandle < 0) { 89 Log.e(TAG, "cleanUpSdpRecord, SDP record never created"); 90 return; 91 } 92 int sdpHandle = mSdpHandle; 93 mSdpHandle = -1; 94 SdpManager sdpManager = SdpManager.getDefaultManager(); 95 if (sdpManager == null) { 96 Log.e(TAG, "cleanUpSdpRecord failed, sdpManager is null, sdpHandle=" + sdpHandle); 97 return; 98 } 99 Log.i(TAG, "cleanUpSdpRecord, mSdpHandle=" + sdpHandle); 100 if (!sdpManager.removeSdpRecord(sdpHandle)) { 101 Log.e(TAG, "cleanUpSdpRecord, removeSdpRecord failed, sdpHandle=" + sdpHandle); 102 } 103 } 104 105 private class SocketAcceptor implements IObexConnectionHandler { 106 107 private boolean mInterrupted = false; 108 109 /** 110 * Called when an unrecoverable error occurred in an accept thread. 111 * Close down the server socket, and restart. 112 * TODO: Change to message, to call start in correct context. 113 */ 114 @Override onAcceptFailed()115 public synchronized void onAcceptFailed() { 116 Log.e(TAG, "OnAcceptFailed"); 117 sServerSockets = null; // Will cause a new to be created when calling start. 118 if (mShutdown) { 119 Log.e(TAG, "Failed to accept incomming connection - " + "shutdown"); 120 } 121 } 122 123 @Override onConnect(BluetoothDevice device, BluetoothSocket socket)124 public synchronized boolean onConnect(BluetoothDevice device, BluetoothSocket socket) { 125 if (DBG) { 126 Log.d(TAG, "onConnect" + device + " SOCKET: " + socket); 127 } 128 /* Signal to the service that we have received an incoming connection.*/ 129 MceStateMachine stateMachine = sContext.getMceStateMachineForDevice(device); 130 if (stateMachine == null) { 131 Log.e(TAG, "Error: NO statemachine for device: " + device.getAddress() 132 + " (name: " + Utils.getName(device)); 133 return false; 134 } else if (stateMachine.getState() != BluetoothProfile.STATE_CONNECTED) { 135 Log.e(TAG, "Error: statemachine for device: " + device.getAddress() 136 + " (name: " + Utils.getName(device) + ") is not currently CONNECTED : " 137 + stateMachine.getCurrentState()); 138 return false; 139 } 140 MnsObexServer srv = new MnsObexServer(stateMachine, sServerSockets); 141 BluetoothObexTransport transport = new BluetoothObexTransport(socket); 142 try { 143 new ServerSession(transport, srv, null); 144 return true; 145 } catch (IOException e) { 146 Log.e(TAG, e.toString()); 147 return false; 148 } 149 } 150 } 151 } 152