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/*
* Copyright (C) 2016 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 com.android.bluetooth.mapclient;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.os.Handler;
import android.util.Log;
import com.android.bluetooth.BluetoothObexTransport;
import com.android.bluetooth.IObexConnectionHandler;
import com.android.bluetooth.ObexServerSockets;
import com.android.bluetooth.sdp.SdpManager;
import java.io.IOException;
import javax.obex.ServerSession;
/**
* Message Notification Server implementation
*/
public class MnsService {
static final int MSG_EVENT = 1;
/* for Client */
static final int EVENT_REPORT = 1001;
private static final String TAG = "MnsService";
private static final Boolean DBG = MapClientService.DBG;
private static final Boolean VDBG = MapClientService.VDBG;
/* MAP version 1.1 */
private static final int MNS_VERSION = 0x0101;
/* these are shared across instances */
private static SocketAcceptor sAcceptThread = null;
private static Handler sSessionHandler = null;
private static BluetoothServerSocket sServerSocket = null;
private static ObexServerSockets sServerSockets = null;
private static MapClientService sContext;
private volatile boolean mShutdown = false; // Used to interrupt socket accept thread
private int mSdpHandle = -1;
MnsService(MapClientService context) {
if (VDBG) {
Log.v(TAG, "MnsService()");
}
sContext = context;
sAcceptThread = new SocketAcceptor();
sServerSockets = ObexServerSockets.create(sAcceptThread);
SdpManager sdpManager = SdpManager.getDefaultManager();
if (sdpManager == null) {
Log.e(TAG, "SdpManager is null");
return;
}
mSdpHandle = sdpManager.createMapMnsRecord("MAP Message Notification Service",
sServerSockets.getRfcommChannel(), -1, MNS_VERSION,
MasClient.MAP_SUPPORTED_FEATURES);
}
void stop() {
if (VDBG) {
Log.v(TAG, "stop()");
}
mShutdown = true;
cleanUpSdpRecord();
if (sServerSockets != null) {
sServerSockets.shutdown(false);
sServerSockets = null;
}
}
private void cleanUpSdpRecord() {
if (mSdpHandle < 0) {
Log.e(TAG, "cleanUpSdpRecord, SDP record never created");
return;
}
int sdpHandle = mSdpHandle;
mSdpHandle = -1;
SdpManager sdpManager = SdpManager.getDefaultManager();
if (sdpManager == null) {
Log.e(TAG, "cleanUpSdpRecord failed, sdpManager is null, sdpHandle=" + sdpHandle);
return;
}
Log.i(TAG, "cleanUpSdpRecord, mSdpHandle=" + sdpHandle);
if (!sdpManager.removeSdpRecord(sdpHandle)) {
Log.e(TAG, "cleanUpSdpRecord, removeSdpRecord failed, sdpHandle=" + sdpHandle);
}
}
private class SocketAcceptor implements IObexConnectionHandler {
private boolean mInterrupted = false;
/**
* Called when an unrecoverable error occurred in an accept thread.
* Close down the server socket, and restart.
* TODO: Change to message, to call start in correct context.
*/
@Override
public synchronized void onAcceptFailed() {
Log.e(TAG, "OnAcceptFailed");
sServerSockets = null; // Will cause a new to be created when calling start.
if (mShutdown) {
Log.e(TAG, "Failed to accept incomming connection - " + "shutdown");
}
}
@Override
public synchronized boolean onConnect(BluetoothDevice device, BluetoothSocket socket) {
if (DBG) {
Log.d(TAG, "onConnect" + device + " SOCKET: " + socket);
}
/* Signal to the service that we have received an incoming connection.*/
MceStateMachine stateMachine = sContext.getMceStateMachineForDevice(device);
if (stateMachine == null) {
Log.e(TAG, "Error: NO statemachine for device: " + device.getAddress()
+ " (name: " + device.getName());
return false;
} else if (stateMachine.getState() != BluetoothProfile.STATE_CONNECTED) {
Log.e(TAG, "Error: statemachine for device: " + device.getAddress()
+ " (name: " + device.getName() + ") is not currently CONNECTED : "
+ stateMachine.getCurrentState());
return false;
}
MnsObexServer srv = new MnsObexServer(stateMachine, sServerSockets);
BluetoothObexTransport transport = new BluetoothObexTransport(socket);
try {
new ServerSession(transport, srv, null);
return true;
} catch (IOException e) {
Log.e(TAG, e.toString());
return false;
}
}
}
}
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