| /* |
| * 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.pbap; |
| |
| import android.os.Handler; |
| import android.util.Log; |
| |
| import java.io.IOException; |
| |
| import javax.obex.ClientSession; |
| import javax.obex.HeaderSet; |
| import javax.obex.ObexTransport; |
| import javax.obex.ResponseCodes; |
| |
| final class BluetoothPbapObexSession { |
| private static final String TAG = "BluetoothPbapObexSession"; |
| |
| private static final byte[] PBAP_TARGET = new byte[] { |
| 0x79, 0x61, 0x35, (byte) 0xf0, (byte) 0xf0, (byte) 0xc5, 0x11, (byte) 0xd8, 0x09, 0x66, |
| 0x08, 0x00, 0x20, 0x0c, (byte) 0x9a, 0x66 |
| }; |
| |
| final static int OBEX_SESSION_CONNECTED = 100; |
| final static int OBEX_SESSION_FAILED = 101; |
| final static int OBEX_SESSION_DISCONNECTED = 102; |
| final static int OBEX_SESSION_REQUEST_COMPLETED = 103; |
| final static int OBEX_SESSION_REQUEST_FAILED = 104; |
| final static int OBEX_SESSION_AUTHENTICATION_REQUEST = 105; |
| final static int OBEX_SESSION_AUTHENTICATION_TIMEOUT = 106; |
| |
| private Handler mSessionHandler; |
| private final ObexTransport mTransport; |
| private ObexClientThread mObexClientThread; |
| private BluetoothPbapObexAuthenticator mAuth = null; |
| |
| public BluetoothPbapObexSession(ObexTransport transport) { |
| mTransport = transport; |
| } |
| |
| public void start(Handler handler) { |
| Log.d(TAG, "start"); |
| mSessionHandler = handler; |
| |
| mAuth = new BluetoothPbapObexAuthenticator(mSessionHandler); |
| |
| mObexClientThread = new ObexClientThread(); |
| mObexClientThread.start(); |
| } |
| |
| public void stop() { |
| Log.d(TAG, "stop"); |
| |
| if (mObexClientThread != null) { |
| try { |
| mObexClientThread.interrupt(); |
| mObexClientThread.join(); |
| mObexClientThread = null; |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| |
| public void abort() { |
| Log.d(TAG, "abort"); |
| |
| if (mObexClientThread != null && mObexClientThread.mRequest != null) { |
| /* |
| * since abort may block until complete GET is processed inside OBEX |
| * session, let's run it in separate thread so it won't block UI |
| */ |
| (new Thread() { |
| @Override |
| public void run() { |
| mObexClientThread.mRequest.abort(); |
| } |
| }).run(); |
| } |
| } |
| |
| public boolean schedule(BluetoothPbapRequest request) { |
| Log.d(TAG, "schedule: " + request.getClass().getSimpleName()); |
| |
| if (mObexClientThread == null) { |
| Log.e(TAG, "OBEX session not started"); |
| return false; |
| } |
| |
| return mObexClientThread.schedule(request); |
| } |
| |
| public boolean setAuthReply(String key) { |
| Log.d(TAG, "setAuthReply key=" + key); |
| |
| if (mAuth == null) { |
| return false; |
| } |
| |
| mAuth.setReply(key); |
| |
| return true; |
| } |
| |
| private class ObexClientThread extends Thread { |
| |
| private static final String TAG = "ObexClientThread"; |
| |
| private ClientSession mClientSession; |
| private BluetoothPbapRequest mRequest; |
| |
| private volatile boolean mRunning = true; |
| |
| public ObexClientThread() { |
| |
| mClientSession = null; |
| mRequest = null; |
| } |
| |
| @Override |
| public void run() { |
| super.run(); |
| |
| if (!connect()) { |
| mSessionHandler.obtainMessage(OBEX_SESSION_FAILED).sendToTarget(); |
| return; |
| } |
| |
| mSessionHandler.obtainMessage(OBEX_SESSION_CONNECTED).sendToTarget(); |
| |
| while (mRunning) { |
| synchronized (this) { |
| try { |
| if (mRequest == null) { |
| this.wait(); |
| } |
| } catch (InterruptedException e) { |
| mRunning = false; |
| break; |
| } |
| } |
| |
| if (mRunning && mRequest != null) { |
| try { |
| mRequest.execute(mClientSession); |
| } catch (IOException e) { |
| // this will "disconnect" for cleanup |
| mRunning = false; |
| } |
| |
| if (mRequest.isSuccess()) { |
| mSessionHandler.obtainMessage(OBEX_SESSION_REQUEST_COMPLETED, mRequest) |
| .sendToTarget(); |
| } else { |
| mSessionHandler.obtainMessage(OBEX_SESSION_REQUEST_FAILED, mRequest) |
| .sendToTarget(); |
| } |
| } |
| |
| mRequest = null; |
| } |
| |
| disconnect(); |
| |
| mSessionHandler.obtainMessage(OBEX_SESSION_DISCONNECTED).sendToTarget(); |
| } |
| |
| public synchronized boolean schedule(BluetoothPbapRequest request) { |
| Log.d(TAG, "schedule: " + request.getClass().getSimpleName()); |
| |
| if (mRequest != null) { |
| return false; |
| } |
| |
| mRequest = request; |
| notify(); |
| |
| return true; |
| } |
| |
| private boolean connect() { |
| Log.d(TAG, "connect"); |
| |
| try { |
| mClientSession = new ClientSession(mTransport); |
| mClientSession.setAuthenticator(mAuth); |
| } catch (IOException e) { |
| return false; |
| } |
| |
| HeaderSet hs = new HeaderSet(); |
| hs.setHeader(HeaderSet.TARGET, PBAP_TARGET); |
| |
| try { |
| hs = mClientSession.connect(hs); |
| |
| if (hs.getResponseCode() != ResponseCodes.OBEX_HTTP_OK) { |
| disconnect(); |
| return false; |
| } |
| } catch (IOException e) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| private void disconnect() { |
| Log.d(TAG, "disconnect"); |
| |
| if (mClientSession != null) { |
| try { |
| mClientSession.disconnect(null); |
| mClientSession.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| } |
| } |