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/*
* 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.map;
import android.os.Handler;
import android.os.Process;
import android.util.Log;
import java.io.IOException;
import javax.obex.ClientSession;
import javax.obex.HeaderSet;
import javax.obex.ObexTransport;
import javax.obex.ObexHelper;
import javax.obex.ResponseCodes;
class BluetoothMasObexClientSession {
private static final String TAG = "BluetoothMasObexClientSession";
private static final byte[] MAS_TARGET = new byte[] {
(byte) 0xbb, 0x58, 0x2b, 0x40, 0x42, 0x0c, 0x11, (byte) 0xdb, (byte) 0xb0, (byte) 0xde,
0x08, 0x00, 0x20, 0x0c, (byte) 0x9a, 0x66
};
static final int MSG_OBEX_CONNECTED = 100;
static final int MSG_OBEX_DISCONNECTED = 101;
static final int MSG_REQUEST_COMPLETED = 102;
private final ObexTransport mTransport;
private final Handler mSessionHandler;
private ClientThread mClientThread;
private volatile boolean mInterrupted;
private class ClientThread extends Thread {
private final ObexTransport mTransport;
private ClientSession mSession;
private BluetoothMasRequest mRequest;
private boolean mConnected;
public ClientThread(ObexTransport transport) {
super("MAS ClientThread");
mTransport = transport;
mConnected = false;
}
@Override
public void run() {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
connect();
if (mConnected) {
mSessionHandler.obtainMessage(MSG_OBEX_CONNECTED).sendToTarget();
} else {
mSessionHandler.obtainMessage(MSG_OBEX_DISCONNECTED).sendToTarget();
return;
}
while (!mInterrupted) {
synchronized (this) {
if (mRequest == null) {
try {
this.wait();
} catch (InterruptedException e) {
mInterrupted = true;
}
}
}
if (!mInterrupted && mRequest != null) {
try {
mRequest.execute(mSession);
} catch (IOException e) {
// this will "disconnect" to cleanup
mInterrupted = true;
}
BluetoothMasRequest oldReq = mRequest;
mRequest = null;
mSessionHandler.obtainMessage(MSG_REQUEST_COMPLETED, oldReq).sendToTarget();
}
}
disconnect();
mSessionHandler.obtainMessage(MSG_OBEX_DISCONNECTED).sendToTarget();
}
private void connect() {
try {
Log.w(TAG, "connect:");
mSession = new ClientSession(mTransport);
HeaderSet headerset = new HeaderSet();
headerset.setHeader(HeaderSet.TARGET, MAS_TARGET);
headerset = mSession.connect(headerset);
if (headerset.getResponseCode() == ResponseCodes.OBEX_HTTP_OK) {
mConnected = true;
} else {
disconnect();
}
} catch (IOException e) {
Log.w(TAG, "handled connect exception: ", e);
}
}
private void disconnect() {
Log.w(TAG, "disconnect: ");
try {
mSession.disconnect(null);
} catch (IOException e) {
}
try {
mSession.close();
} catch (IOException e) {
Log.w(TAG, "handled disconnect exception:", e);
}
mConnected = false;
}
public synchronized boolean schedule(BluetoothMasRequest request) {
if (mRequest != null) {
return false;
}
mRequest = request;
notify();
return true;
}
private void shutdown() {
Log.w(TAG, "shutdown ");
mInterrupted = true;
interrupt();
}
}
public BluetoothMasObexClientSession(ObexTransport transport, Handler handler) {
mTransport = transport;
mSessionHandler = handler;
}
public void start() {
if (mClientThread == null) {
mClientThread = new ClientThread(mTransport);
mClientThread.start();
}
}
public void stop() {
if (mClientThread != null) {
mClientThread.shutdown();
(new Thread() {
@Override
public void run() {
try {
mClientThread.join();
mClientThread = null;
} catch (InterruptedException e) {
Log.w(TAG, "Interrupted while waiting for thread to join");
}
}
}).run();
}
}
public boolean makeRequest(BluetoothMasRequest request) {
if (mClientThread == null) {
return false;
}
if (((BluetoothMapTransport)mTransport).isSrmSupported()) {
Log.d(TAG, "Client is srm capable");
if (request instanceof BluetoothMasRequestGetFolderListing ||
request instanceof BluetoothMasRequestGetFolderListingSize ||
request instanceof BluetoothMasRequestGetMessagesListing ||
request instanceof BluetoothMasRequestGetMessage ||
request instanceof BluetoothMasRequestPushMessage ||
request instanceof BluetoothMasRequestGetMessagesListingSize) {
mClientThread.mSession.setLocalSrmStatus(true);
}
if (request instanceof BluetoothMasRequestSetMessageStatus ||
request instanceof BluetoothMasRequestUpdateInbox||
request instanceof BluetoothMasRequestSetNotificationRegistration) {
mClientThread.mSession.setLocalSrmStatus(false);
}
} else {
Log.d(TAG, "Client is not srm capable");
}
return mClientThread.schedule(request);
}
}
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