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/*
* Copyright (C) 2015 Samsung System LSI
* 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;
import java.io.IOException;
import javax.obex.HeaderSet;
import javax.obex.ServerRequestHandler;
import android.bluetooth.BluetoothSocket;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
/**
* A simple ObexServer used to handle connection rejection in two cases:
* - A profile cannot handle a new connection, as it is already connected to another device.
* - The user rejected access to the resources needed by the profile.
*
* Will reject the OBEX connection, start a timer, and at timeout close the socket.
*/
public class ObexRejectServer extends ServerRequestHandler implements Callback {
private static final String TAG = "ObexRejectServer";
private static final boolean V = true;
private final int mResult;
private final HandlerThread mHandlerThread;
private final Handler mMessageHandler;
private final static int MSG_ID_TIMEOUT = 0x01;
private final static int TIMEOUT_VALUE = 5*1000; // ms
private final BluetoothSocket mSocket;
/**
* @param result the ResponseCodes.OBEX_HTTP_ code to respond to an incoming connect request.
*/
public ObexRejectServer(int result, BluetoothSocket socket) {
super();
mResult = result;
mSocket = socket;
mHandlerThread = new HandlerThread("TestTimeoutHandler",
android.os.Process.THREAD_PRIORITY_BACKGROUND);
mHandlerThread.start();
Looper timeoutLooper = mHandlerThread.getLooper();
mMessageHandler = new Handler(timeoutLooper, this);
// Initiate self destruction.
mMessageHandler.sendEmptyMessageDelayed(MSG_ID_TIMEOUT, TIMEOUT_VALUE);
}
// OBEX operation handlers
@Override
public int onConnect(HeaderSet request, HeaderSet reply) {
if(V) Log.i(TAG,"onConnect() returning error");
return mResult;
}
public void shutdown() {
mMessageHandler.removeCallbacksAndMessages(null);
mHandlerThread.quit();
try {
// This will cause an exception in the ServerSession, causing it to shut down
mSocket.close();
} catch (IOException e) {
Log.w(TAG, "Unable to close socket - ignoring", e);
}
}
@Override
public boolean handleMessage(Message msg) {
if(V) Log.i(TAG,"Handling message ID: " + msg.what);
switch(msg.what) {
case MSG_ID_TIMEOUT:
shutdown();
break;
default:
// Message not handled
return false;
}
return true; // Message handled
}
}
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