/*
* Copyright (c) 2008-2009, Motorola, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the Motorola, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.bluetooth.opp;
import javax.obex.ClientOperation;
import javax.obex.ClientSession;
import javax.obex.HeaderSet;
import javax.obex.ObexTransport;
import javax.obex.ResponseCodes;
import android.content.ContentValues;
import android.content.Context;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.os.Process;
import android.util.Log;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.Thread;
/**
* This class runs as an OBEX client
*/
public class BluetoothOppObexClientSession implements BluetoothOppObexSession {
private static final String TAG = "BtOpp ObexClient";
private static final boolean D = Constants.DEBUG;
private static final boolean V = Constants.VERBOSE;
private ClientThread mThread;
private ObexTransport mTransport;
private Context mContext;
private volatile boolean mInterrupted;
private volatile boolean mWaitingForRemote;
private Handler mCallback;
public BluetoothOppObexClientSession(Context context, ObexTransport transport) {
if (transport == null) {
throw new NullPointerException("transport is null");
}
mContext = context;
mTransport = transport;
}
public void start(Handler handler) {
if (D) Log.d(TAG, "Start!");
mCallback = handler;
mThread = new ClientThread(mContext, mTransport);
mThread.start();
}
public void stop() {
if (D) Log.d(TAG, "Stop!");
if (mThread != null) {
mInterrupted = true;
try {
mThread.interrupt();
if (V) Log.v(TAG, "waiting for thread to terminate");
mThread.join();
mThread = null;
} catch (InterruptedException e) {
if (V) Log.v(TAG, "Interrupted waiting for thread to join");
}
}
mCallback = null;
}
public void addShare(BluetoothOppShareInfo share) {
mThread.addShare(share);
}
private static int readFully(InputStream is, byte[] buffer, int size) throws IOException {
int done = 0;
while (done < size) {
int got = is.read(buffer, done, size - done);
if (got <= 0) break;
done += got;
}
return done;
}
private class ClientThread extends Thread {
private static final int sSleepTime = 500;
private Context mContext1;
private BluetoothOppShareInfo mInfo;
private volatile boolean waitingForShare;
private ObexTransport mTransport1;
private ClientSession mCs;
private WakeLock wakeLock;
private BluetoothOppSendFileInfo mFileInfo = null;
private boolean mConnected = false;
public ClientThread(Context context, ObexTransport transport) {
super("BtOpp ClientThread");
mContext1 = context;
mTransport1 = transport;
waitingForShare = true;
mWaitingForRemote = false;
PowerManager pm = (PowerManager)mContext1.getSystemService(Context.POWER_SERVICE);
wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
}
public void addShare(BluetoothOppShareInfo info) {
mInfo = info;
mFileInfo = processShareInfo();
waitingForShare = false;
}
@Override
public void run() {
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
if (V) Log.v(TAG, "acquire partial WakeLock");
wakeLock.acquire();
try {
Thread.sleep(100);
} catch (InterruptedException e1) {
if (V) Log.v(TAG, "Client thread was interrupted (1), exiting");
mInterrupted = true;
}
if (!mInterrupted) {
connect();
}
while (!mInterrupted) {
if (!waitingForShare) {
doSend();
} else {
try {
if (D) Log.d(TAG, "Client thread waiting for next share, sleep for "
+ sSleepTime);
Thread.sleep(sSleepTime);
} catch (InterruptedException e) {
}
}
}
disconnect();
if (wakeLock.isHeld()) {
if (V) Log.v(TAG, "release partial WakeLock");
wakeLock.release();
}
Message msg = Message.obtain(mCallback);
msg.what = BluetoothOppObexSession.MSG_SESSION_COMPLETE;
msg.obj = mInfo;
msg.sendToTarget();
}
private void disconnect() {
try {
if (mCs != null) {
mCs.disconnect(null);
}
mCs = null;
if (D) Log.d(TAG, "OBEX session disconnected");
} catch (IOException e) {
Log.w(TAG, "OBEX session disconnect error" + e);
}
try {
if (mCs != null) {
if (D) Log.d(TAG, "OBEX session close mCs");
mCs.close();
if (D) Log.d(TAG, "OBEX session closed");
}
} catch (IOException e) {
Log.w(TAG, "OBEX session close error" + e);
}
if (mTransport1 != null) {
try {
mTransport1.close();
} catch (IOException e) {
Log.e(TAG, "mTransport.close error");
}
}
}
private void connect() {
if (D) Log.d(TAG, "Create ClientSession with transport " + mTransport1.toString());
try {
mCs = new ClientSession(mTransport1);
mConnected = true;
} catch (IOException e1) {
Log.e(TAG, "OBEX session create error");
}
if (mConnected) {
mConnected = false;
HeaderSet hs = new HeaderSet();
synchronized (this) {
mWaitingForRemote = true;
}
try {
mCs.connect(hs);
if (D) Log.d(TAG, "OBEX session created");
mConnected = true;
} catch (IOException e) {
Log.e(TAG, "OBEX session connect error");
}
}
synchronized (this) {
mWaitingForRemote = false;
}
}
private void doSend() {
int status = BluetoothShare.STATUS_SUCCESS;
/* connection is established too fast to get first mInfo */
while (mFileInfo == null) {
try {
Thread.sleep(50);
} catch (InterruptedException e) {
status = BluetoothShare.STATUS_CANCELED;
}
}
if (!mConnected) {
// Obex connection error
status = BluetoothShare.STATUS_CONNECTION_ERROR;
}
if (status == BluetoothShare.STATUS_SUCCESS) {
/* do real send */
if (mFileInfo.mFileName != null) {
status = sendFile(mFileInfo);
} else {
/* this is invalid request */
status = mFileInfo.mStatus;
}
waitingForShare = true;
} else {
Constants.updateShareStatus(mContext1, mInfo.mId, status);
}
if (status == BluetoothShare.STATUS_SUCCESS) {
Message msg = Message.obtain(mCallback);
msg.what = BluetoothOppObexSession.MSG_SHARE_COMPLETE;
msg.obj = mInfo;
msg.sendToTarget();
} else {
Message msg = Message.obtain(mCallback);
msg.what = BluetoothOppObexSession.MSG_SESSION_ERROR;
mInfo.mStatus = status;
msg.obj = mInfo;
msg.sendToTarget();
}
}
/*
* Validate this ShareInfo
*/
private BluetoothOppSendFileInfo processShareInfo() {
if (V) Log.v(TAG, "Client thread processShareInfo() " + mInfo.mId);
BluetoothOppSendFileInfo fileInfo = BluetoothOppSendFileInfo.generateFileInfo(
mContext1, mInfo.mUri, mInfo.mMimetype, mInfo.mDestination);
if (fileInfo.mFileName == null || fileInfo.mLength == 0) {
if (V) Log.v(TAG, "BluetoothOppSendFileInfo get invalid file");
Constants.updateShareStatus(mContext1, mInfo.mId, fileInfo.mStatus);
} else {
if (V) {
Log.v(TAG, "Generate BluetoothOppSendFileInfo:");
Log.v(TAG, "filename :" + fileInfo.mFileName);
Log.v(TAG, "length :" + fileInfo.mLength);
Log.v(TAG, "mimetype :" + fileInfo.mMimetype);
}
ContentValues updateValues = new ContentValues();
Uri contentUri = Uri.parse(BluetoothShare.CONTENT_URI + "/" + mInfo.mId);
updateValues.put(BluetoothShare.FILENAME_HINT, fileInfo.mFileName);
updateValues.put(BluetoothShare.TOTAL_BYTES, fileInfo.mLength);
updateValues.put(BluetoothShare.MIMETYPE, fileInfo.mMimetype);
mContext1.getContentResolver().update(contentUri, updateValues, null, null);
}
return fileInfo;
}
private int sendFile(BluetoothOppSendFileInfo fileInfo) {
boolean error = false;
int responseCode = -1;
int status = BluetoothShare.STATUS_SUCCESS;
Uri contentUri = Uri.parse(BluetoothShare.CONTENT_URI + "/" + mInfo.mId);
ContentValues updateValues;
HeaderSet request;
request = new HeaderSet();
request.setHeader(HeaderSet.NAME, fileInfo.mFileName);
request.setHeader(HeaderSet.TYPE, fileInfo.mMimetype);
applyRemoteDeviceQuirks(request, fileInfo);
Constants.updateShareStatus(mContext1, mInfo.mId, BluetoothShare.STATUS_RUNNING);
request.setHeader(HeaderSet.LENGTH, fileInfo.mLength);
ClientOperation putOperation = null;
OutputStream outputStream = null;
InputStream inputStream = null;
try {
synchronized (this) {
mWaitingForRemote = true;
}
try {
if (V) Log.v(TAG, "put headerset for " + fileInfo.mFileName);
putOperation = (ClientOperation)mCs.put(request);
} catch (IOException e) {
status = BluetoothShare.STATUS_OBEX_DATA_ERROR;
Constants.updateShareStatus(mContext1, mInfo.mId, status);
Log.e(TAG, "Error when put HeaderSet ");
error = true;
}
synchronized (this) {
mWaitingForRemote = false;
}
if (!error) {
try {
if (V) Log.v(TAG, "openOutputStream " + fileInfo.mFileName);
outputStream = putOperation.openOutputStream();
inputStream = putOperation.openInputStream();
} catch (IOException e) {
status = BluetoothShare.STATUS_OBEX_DATA_ERROR;
Constants.updateShareStatus(mContext1, mInfo.mId, status);
Log.e(TAG, "Error when openOutputStream");
error = true;
}
}
if (!error) {
updateValues = new ContentValues();
updateValues.put(BluetoothShare.CURRENT_BYTES, 0);
updateValues.put(BluetoothShare.STATUS, BluetoothShare.STATUS_RUNNING);
mContext1.getContentResolver().update(contentUri, updateValues, null, null);
}
if (!error) {
int position = 0;
int readLength = 0;
boolean okToProceed = false;
long timestamp = 0;
int outputBufferSize = putOperation.getMaxPacketSize();
byte[] buffer = new byte[outputBufferSize];
BufferedInputStream a = new BufferedInputStream(fileInfo.mInputStream, 0x4000);
if (!mInterrupted && (position != fileInfo.mLength)) {
readLength = readFully(a, buffer, outputBufferSize);
mCallback.sendMessageDelayed(mCallback
.obtainMessage(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT),
BluetoothOppObexSession.SESSION_TIMEOUT);
synchronized (this) {
mWaitingForRemote = true;
}
// first packet will block here
outputStream.write(buffer, 0, readLength);
position += readLength;
if (position != fileInfo.mLength) {
mCallback.removeMessages(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT);
synchronized (this) {
mWaitingForRemote = false;
}
} else {
// if file length is smaller than buffer size, only one packet
// so block point is here
outputStream.close();
mCallback.removeMessages(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT);
synchronized (this) {
mWaitingForRemote = false;
}
}
/* check remote accept or reject */
responseCode = putOperation.getResponseCode();
if (responseCode == ResponseCodes.OBEX_HTTP_CONTINUE
|| responseCode == ResponseCodes.OBEX_HTTP_OK) {
if (V) Log.v(TAG, "Remote accept");
okToProceed = true;
updateValues = new ContentValues();
updateValues.put(BluetoothShare.CURRENT_BYTES, position);
mContext1.getContentResolver().update(contentUri, updateValues, null,
null);
} else {
Log.i(TAG, "Remote reject, Response code is " + responseCode);
}
}
while (!mInterrupted && okToProceed && (position != fileInfo.mLength)) {
{
if (V) timestamp = System.currentTimeMillis();
readLength = a.read(buffer, 0, outputBufferSize);
outputStream.write(buffer, 0, readLength);
/* check remote abort */
responseCode = putOperation.getResponseCode();
if (V) Log.v(TAG, "Response code is " + responseCode);
if (responseCode != ResponseCodes.OBEX_HTTP_CONTINUE
&& responseCode != ResponseCodes.OBEX_HTTP_OK) {
/* abort happens */
okToProceed = false;
} else {
position += readLength;
if (V) {
Log.v(TAG, "Sending file position = " + position
+ " readLength " + readLength + " bytes took "
+ (System.currentTimeMillis() - timestamp) + " ms");
}
updateValues = new ContentValues();
updateValues.put(BluetoothShare.CURRENT_BYTES, position);
mContext1.getContentResolver().update(contentUri, updateValues,
null, null);
}
}
}
if (responseCode == ResponseCodes.OBEX_HTTP_FORBIDDEN
|| responseCode == ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE) {
Log.i(TAG, "Remote reject file " + fileInfo.mFileName + " length "
+ fileInfo.mLength);
status = BluetoothShare.STATUS_FORBIDDEN;
} else if (responseCode == ResponseCodes.OBEX_HTTP_UNSUPPORTED_TYPE) {
Log.i(TAG, "Remote reject file type " + fileInfo.mMimetype);
status = BluetoothShare.STATUS_NOT_ACCEPTABLE;
} else if (!mInterrupted && position == fileInfo.mLength) {
Log.i(TAG, "SendFile finished send out file " + fileInfo.mFileName
+ " length " + fileInfo.mLength);
outputStream.close();
} else {
error = true;
status = BluetoothShare.STATUS_CANCELED;
putOperation.abort();
/* interrupted */
Log.i(TAG, "SendFile interrupted when send out file " + fileInfo.mFileName
+ " at " + position + " of " + fileInfo.mLength);
}
}
} catch (IOException e) {
handleSendException(e.toString());
} catch (NullPointerException e) {
handleSendException(e.toString());
} catch (IndexOutOfBoundsException e) {
handleSendException(e.toString());
} finally {
try {
fileInfo.mInputStream.close();
if (!error) {
responseCode = putOperation.getResponseCode();
if (responseCode != -1) {
if (V) Log.v(TAG, "Get response code " + responseCode);
if (responseCode != ResponseCodes.OBEX_HTTP_OK) {
Log.i(TAG, "Response error code is " + responseCode);
status = BluetoothShare.STATUS_UNHANDLED_OBEX_CODE;
if (responseCode == ResponseCodes.OBEX_HTTP_UNSUPPORTED_TYPE) {
status = BluetoothShare.STATUS_NOT_ACCEPTABLE;
}
if (responseCode == ResponseCodes.OBEX_HTTP_FORBIDDEN
|| responseCode == ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE) {
status = BluetoothShare.STATUS_FORBIDDEN;
}
}
} else {
// responseCode is -1, which means connection error
status = BluetoothShare.STATUS_CONNECTION_ERROR;
}
}
Constants.updateShareStatus(mContext1, mInfo.mId, status);
if (inputStream != null) {
inputStream.close();
}
if (putOperation != null) {
putOperation.close();
}
} catch (IOException e) {
Log.e(TAG, "Error when closing stream after send");
}
}
return status;
}
private void handleSendException(String exception) {
Log.e(TAG, "Error when sending file: " + exception);
int status = BluetoothShare.STATUS_OBEX_DATA_ERROR;
Constants.updateShareStatus(mContext1, mInfo.mId, status);
mCallback.removeMessages(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT);
}
@Override
public void interrupt() {
super.interrupt();
synchronized (this) {
if (mWaitingForRemote) {
if (V) Log.v(TAG, "Interrupted when waitingForRemote");
try {
mTransport1.close();
} catch (IOException e) {
Log.e(TAG, "mTransport.close error");
}
Message msg = Message.obtain(mCallback);
msg.what = BluetoothOppObexSession.MSG_SHARE_INTERRUPTED;
if (mInfo != null) {
msg.obj = mInfo;
}
msg.sendToTarget();
}
}
}
}
public static void applyRemoteDeviceQuirks(HeaderSet request, BluetoothOppSendFileInfo info) {
String address = info.mDestAddr;
if (address == null) {
return;
}
if (address.startsWith("00:04:48")) {
// Poloroid Pogo
// Rejects filenames with more than one '.'. Rename to '_'.
// for example: 'a.b.jpg' -> 'a_b.jpg'
// 'abc.jpg' NOT CHANGED
String filename = info.mFileName;
char[] c = filename.toCharArray();
boolean firstDot = true;
boolean modified = false;
for (int i = c.length - 1; i >= 0; i--) {
if (c[i] == '.') {
if (!firstDot) {
modified = true;
c[i] = '_';
}
firstDot = false;
}
}
if (modified) {
String newFilename = new String(c);
request.setHeader(HeaderSet.NAME, newFilename);
Log.i(TAG, "Sending file \"" + filename + "\" as \"" + newFilename +
"\" to workaround Poloroid filename quirk");
}
}
}
public void unblock() {
// Not used for client case
}
}