1/* 2 * Copyright (c) 2008-2009, Motorola, Inc. 3 * 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * - Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * - Neither the name of the Motorola, Inc. nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33package com.android.bluetooth.opp; 34 35import javax.obex.ClientOperation; 36import javax.obex.ClientSession; 37import javax.obex.HeaderSet; 38import javax.obex.ObexTransport; 39import javax.obex.ResponseCodes; 40 41import android.app.NotificationManager; 42import android.content.ContentValues; 43import android.content.Context; 44import android.net.Uri; 45import android.os.Handler; 46import android.os.Message; 47import android.os.PowerManager; 48import android.os.PowerManager.WakeLock; 49import android.os.Process; 50import android.util.Log; 51 52import java.io.BufferedInputStream; 53import java.io.IOException; 54import java.io.InputStream; 55import java.io.OutputStream; 56import java.lang.Thread; 57 58/** 59 * This class runs as an OBEX client 60 */ 61public class BluetoothOppObexClientSession implements BluetoothOppObexSession { 62 63 private static final String TAG = "BtOppObexClient"; 64 private static final boolean D = Constants.DEBUG; 65 private static final boolean V = Constants.VERBOSE; 66 67 private ClientThread mThread; 68 69 private ObexTransport mTransport; 70 71 private Context mContext; 72 73 private volatile boolean mInterrupted; 74 75 private volatile boolean mWaitingForRemote; 76 77 private Handler mCallback; 78 79 public BluetoothOppObexClientSession(Context context, ObexTransport transport) { 80 if (transport == null) { 81 throw new NullPointerException("transport is null"); 82 } 83 mContext = context; 84 mTransport = transport; 85 } 86 87 public void start(Handler handler, int numShares) { 88 if (D) Log.d(TAG, "Start!"); 89 mCallback = handler; 90 mThread = new ClientThread(mContext, mTransport, numShares); 91 mThread.start(); 92 } 93 94 public void stop() { 95 if (D) Log.d(TAG, "Stop!"); 96 if (mThread != null) { 97 mInterrupted = true; 98 try { 99 mThread.interrupt(); 100 if (V) Log.v(TAG, "waiting for thread to terminate"); 101 mThread.join(); 102 mThread = null; 103 } catch (InterruptedException e) { 104 if (V) Log.v(TAG, "Interrupted waiting for thread to join"); 105 } 106 } 107 NotificationManager nm = 108 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 109 nm.cancel(BluetoothOppNotification.NOTIFICATION_ID_PROGRESS); 110 111 mCallback = null; 112 } 113 114 public void addShare(BluetoothOppShareInfo share) { 115 mThread.addShare(share); 116 } 117 118 private static int readFully(InputStream is, byte[] buffer, int size) throws IOException { 119 int done = 0; 120 while (done < size) { 121 int got = is.read(buffer, done, size - done); 122 if (got <= 0) break; 123 done += got; 124 } 125 return done; 126 } 127 128 private class ClientThread extends Thread { 129 130 private static final int sSleepTime = 500; 131 132 private Context mContext1; 133 134 private BluetoothOppShareInfo mInfo; 135 136 private volatile boolean waitingForShare; 137 138 private ObexTransport mTransport1; 139 140 private ClientSession mCs; 141 142 private WakeLock wakeLock; 143 144 private BluetoothOppSendFileInfo mFileInfo = null; 145 146 private boolean mConnected = false; 147 148 private int mNumShares; 149 150 public ClientThread(Context context, ObexTransport transport, int initialNumShares) { 151 super("BtOpp ClientThread"); 152 mContext1 = context; 153 mTransport1 = transport; 154 waitingForShare = true; 155 mWaitingForRemote = false; 156 mNumShares = initialNumShares; 157 PowerManager pm = (PowerManager)mContext1.getSystemService(Context.POWER_SERVICE); 158 wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); 159 } 160 161 public void addShare(BluetoothOppShareInfo info) { 162 mInfo = info; 163 mFileInfo = processShareInfo(); 164 waitingForShare = false; 165 } 166 167 @Override 168 public void run() { 169 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 170 171 if (V) Log.v(TAG, "acquire partial WakeLock"); 172 wakeLock.acquire(); 173 174 try { 175 Thread.sleep(100); 176 } catch (InterruptedException e1) { 177 if (V) Log.v(TAG, "Client thread was interrupted (1), exiting"); 178 mInterrupted = true; 179 } 180 if (!mInterrupted) { 181 connect(mNumShares); 182 } 183 184 while (!mInterrupted) { 185 if (!waitingForShare) { 186 doSend(); 187 } else { 188 try { 189 if (D) Log.d(TAG, "Client thread waiting for next share, sleep for " 190 + sSleepTime); 191 Thread.sleep(sSleepTime); 192 } catch (InterruptedException e) { 193 194 } 195 } 196 } 197 disconnect(); 198 199 if (wakeLock.isHeld()) { 200 if (V) Log.v(TAG, "release partial WakeLock"); 201 wakeLock.release(); 202 } 203 Message msg = Message.obtain(mCallback); 204 msg.what = BluetoothOppObexSession.MSG_SESSION_COMPLETE; 205 msg.obj = mInfo; 206 msg.sendToTarget(); 207 208 } 209 210 private void disconnect() { 211 try { 212 if (mCs != null) { 213 mCs.disconnect(null); 214 } 215 mCs = null; 216 if (D) Log.d(TAG, "OBEX session disconnected"); 217 } catch (IOException e) { 218 Log.w(TAG, "OBEX session disconnect error" + e); 219 } 220 try { 221 if (mCs != null) { 222 if (D) Log.d(TAG, "OBEX session close mCs"); 223 mCs.close(); 224 if (D) Log.d(TAG, "OBEX session closed"); 225 } 226 } catch (IOException e) { 227 Log.w(TAG, "OBEX session close error" + e); 228 } 229 if (mTransport1 != null) { 230 try { 231 mTransport1.close(); 232 } catch (IOException e) { 233 Log.e(TAG, "mTransport.close error"); 234 } 235 236 } 237 } 238 239 private void connect(int numShares) { 240 if (D) Log.d(TAG, "Create ClientSession with transport " + mTransport1.toString()); 241 try { 242 mCs = new ClientSession(mTransport1); 243 mConnected = true; 244 } catch (IOException e1) { 245 Log.e(TAG, "OBEX session create error"); 246 } 247 if (mConnected) { 248 mConnected = false; 249 HeaderSet hs = new HeaderSet(); 250 hs.setHeader(HeaderSet.COUNT, (long) numShares); 251 synchronized (this) { 252 mWaitingForRemote = true; 253 } 254 try { 255 mCs.connect(hs); 256 if (D) Log.d(TAG, "OBEX session created"); 257 mConnected = true; 258 } catch (IOException e) { 259 Log.e(TAG, "OBEX session connect error"); 260 } 261 } 262 synchronized (this) { 263 mWaitingForRemote = false; 264 } 265 } 266 267 private void doSend() { 268 269 int status = BluetoothShare.STATUS_SUCCESS; 270 271 /* connection is established too fast to get first mInfo */ 272 while (mFileInfo == null) { 273 try { 274 Thread.sleep(50); 275 } catch (InterruptedException e) { 276 status = BluetoothShare.STATUS_CANCELED; 277 } 278 } 279 if (!mConnected) { 280 // Obex connection error 281 status = BluetoothShare.STATUS_CONNECTION_ERROR; 282 } 283 if (status == BluetoothShare.STATUS_SUCCESS) { 284 /* do real send */ 285 if (mFileInfo.mFileName != null) { 286 status = sendFile(mFileInfo); 287 } else { 288 /* this is invalid request */ 289 status = mFileInfo.mStatus; 290 } 291 waitingForShare = true; 292 } else { 293 Constants.updateShareStatus(mContext1, mInfo.mId, status); 294 } 295 296 Message msg = Message.obtain(mCallback); 297 msg.what = (status == BluetoothShare.STATUS_SUCCESS) ? 298 BluetoothOppObexSession.MSG_SHARE_COMPLETE : 299 BluetoothOppObexSession.MSG_SESSION_ERROR; 300 mInfo.mStatus = status; 301 msg.obj = mInfo; 302 msg.sendToTarget(); 303 } 304 305 /* 306 * Validate this ShareInfo 307 */ 308 private BluetoothOppSendFileInfo processShareInfo() { 309 if (V) Log.v(TAG, "Client thread processShareInfo() " + mInfo.mId); 310 311 BluetoothOppSendFileInfo fileInfo = BluetoothOppUtility.getSendFileInfo(mInfo.mUri); 312 if (fileInfo.mFileName == null || fileInfo.mLength == 0) { 313 if (V) Log.v(TAG, "BluetoothOppSendFileInfo get invalid file"); 314 Constants.updateShareStatus(mContext1, mInfo.mId, fileInfo.mStatus); 315 316 } else { 317 if (V) { 318 Log.v(TAG, "Generate BluetoothOppSendFileInfo:"); 319 Log.v(TAG, "filename :" + fileInfo.mFileName); 320 Log.v(TAG, "length :" + fileInfo.mLength); 321 Log.v(TAG, "mimetype :" + fileInfo.mMimetype); 322 } 323 324 ContentValues updateValues = new ContentValues(); 325 Uri contentUri = Uri.parse(BluetoothShare.CONTENT_URI + "/" + mInfo.mId); 326 327 updateValues.put(BluetoothShare.FILENAME_HINT, fileInfo.mFileName); 328 updateValues.put(BluetoothShare.TOTAL_BYTES, fileInfo.mLength); 329 updateValues.put(BluetoothShare.MIMETYPE, fileInfo.mMimetype); 330 331 mContext1.getContentResolver().update(contentUri, updateValues, null, null); 332 333 } 334 return fileInfo; 335 } 336 337 private int sendFile(BluetoothOppSendFileInfo fileInfo) { 338 boolean error = false; 339 int responseCode = -1; 340 long position = 0; 341 int status = BluetoothShare.STATUS_SUCCESS; 342 Uri contentUri = Uri.parse(BluetoothShare.CONTENT_URI + "/" + mInfo.mId); 343 ContentValues updateValues; 344 HeaderSet request; 345 request = new HeaderSet(); 346 request.setHeader(HeaderSet.NAME, fileInfo.mFileName); 347 request.setHeader(HeaderSet.TYPE, fileInfo.mMimetype); 348 349 applyRemoteDeviceQuirks(request, mInfo.mDestination, fileInfo.mFileName); 350 351 Constants.updateShareStatus(mContext1, mInfo.mId, BluetoothShare.STATUS_RUNNING); 352 353 request.setHeader(HeaderSet.LENGTH, fileInfo.mLength); 354 ClientOperation putOperation = null; 355 OutputStream outputStream = null; 356 InputStream inputStream = null; 357 try { 358 synchronized (this) { 359 mWaitingForRemote = true; 360 } 361 try { 362 if (V) Log.v(TAG, "put headerset for " + fileInfo.mFileName); 363 putOperation = (ClientOperation)mCs.put(request); 364 } catch (IOException e) { 365 status = BluetoothShare.STATUS_OBEX_DATA_ERROR; 366 Constants.updateShareStatus(mContext1, mInfo.mId, status); 367 368 Log.e(TAG, "Error when put HeaderSet "); 369 error = true; 370 } 371 synchronized (this) { 372 mWaitingForRemote = false; 373 } 374 375 if (!error) { 376 try { 377 if (V) Log.v(TAG, "openOutputStream " + fileInfo.mFileName); 378 outputStream = putOperation.openOutputStream(); 379 inputStream = putOperation.openInputStream(); 380 } catch (IOException e) { 381 status = BluetoothShare.STATUS_OBEX_DATA_ERROR; 382 Constants.updateShareStatus(mContext1, mInfo.mId, status); 383 Log.e(TAG, "Error when openOutputStream"); 384 error = true; 385 } 386 } 387 if (!error) { 388 updateValues = new ContentValues(); 389 updateValues.put(BluetoothShare.CURRENT_BYTES, 0); 390 updateValues.put(BluetoothShare.STATUS, BluetoothShare.STATUS_RUNNING); 391 mContext1.getContentResolver().update(contentUri, updateValues, null, null); 392 } 393 394 if (!error) { 395 int readLength = 0; 396 long percent = 0; 397 long prevPercent = 0; 398 boolean okToProceed = false; 399 long timestamp = 0; 400 int outputBufferSize = putOperation.getMaxPacketSize(); 401 byte[] buffer = new byte[outputBufferSize]; 402 BufferedInputStream a = new BufferedInputStream(fileInfo.mInputStream, 0x4000); 403 404 if (!mInterrupted && (position != fileInfo.mLength)) { 405 readLength = readFully(a, buffer, outputBufferSize); 406 407 mCallback.sendMessageDelayed(mCallback 408 .obtainMessage(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT), 409 BluetoothOppObexSession.SESSION_TIMEOUT); 410 synchronized (this) { 411 mWaitingForRemote = true; 412 } 413 414 // first packet will block here 415 outputStream.write(buffer, 0, readLength); 416 417 position += readLength; 418 /* check remote accept or reject */ 419 responseCode = putOperation.getResponseCode(); 420 421 if (position == fileInfo.mLength) { 422 // if file length is smaller than buffer size, only one packet 423 // so block point is here 424 outputStream.close(); 425 outputStream = null; 426 } 427 428 mCallback.removeMessages(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT); 429 synchronized (this) { 430 mWaitingForRemote = false; 431 } 432 433 if (responseCode == ResponseCodes.OBEX_HTTP_CONTINUE 434 || responseCode == ResponseCodes.OBEX_HTTP_OK) { 435 if (V) Log.v(TAG, "Remote accept"); 436 okToProceed = true; 437 updateValues = new ContentValues(); 438 updateValues.put(BluetoothShare.CURRENT_BYTES, position); 439 mContext1.getContentResolver().update(contentUri, updateValues, null, 440 null); 441 } else { 442 Log.i(TAG, "Remote reject, Response code is " + responseCode); 443 } 444 } 445 446 while (!mInterrupted && okToProceed && (position < fileInfo.mLength)) { 447 if (V) timestamp = System.currentTimeMillis(); 448 449 readLength = a.read(buffer, 0, outputBufferSize); 450 outputStream.write(buffer, 0, readLength); 451 452 /* check remote abort */ 453 responseCode = putOperation.getResponseCode(); 454 if (V) Log.v(TAG, "Response code is " + responseCode); 455 if (responseCode != ResponseCodes.OBEX_HTTP_CONTINUE 456 && responseCode != ResponseCodes.OBEX_HTTP_OK) { 457 /* abort happens */ 458 okToProceed = false; 459 } else { 460 position += readLength; 461 if (V) { 462 Log.v(TAG, "Sending file position = " + position 463 + " readLength " + readLength + " bytes took " 464 + (System.currentTimeMillis() - timestamp) + " ms"); 465 } 466 // Update the Progress Bar only if there is change in percentage 467 percent = position * 100 / fileInfo.mLength; 468 if (percent > prevPercent) { 469 updateValues = new ContentValues(); 470 updateValues.put(BluetoothShare.CURRENT_BYTES, position); 471 mContext1.getContentResolver().update(contentUri, updateValues, 472 null, null); 473 prevPercent = percent; 474 } 475 } 476 } 477 478 if (responseCode == ResponseCodes.OBEX_HTTP_FORBIDDEN 479 || responseCode == ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE) { 480 Log.i(TAG, "Remote reject file " + fileInfo.mFileName + " length " 481 + fileInfo.mLength); 482 status = BluetoothShare.STATUS_FORBIDDEN; 483 } else if (responseCode == ResponseCodes.OBEX_HTTP_UNSUPPORTED_TYPE) { 484 Log.i(TAG, "Remote reject file type " + fileInfo.mMimetype); 485 status = BluetoothShare.STATUS_NOT_ACCEPTABLE; 486 } else if (!mInterrupted && position == fileInfo.mLength) { 487 Log.i(TAG, "SendFile finished send out file " + fileInfo.mFileName 488 + " length " + fileInfo.mLength); 489 } else { 490 error = true; 491 status = BluetoothShare.STATUS_CANCELED; 492 putOperation.abort(); 493 /* interrupted */ 494 Log.i(TAG, "SendFile interrupted when send out file " + fileInfo.mFileName 495 + " at " + position + " of " + fileInfo.mLength); 496 } 497 } 498 } catch (IOException e) { 499 handleSendException(e.toString()); 500 } catch (NullPointerException e) { 501 handleSendException(e.toString()); 502 } catch (IndexOutOfBoundsException e) { 503 handleSendException(e.toString()); 504 } finally { 505 try { 506 if (outputStream != null) { 507 outputStream.close(); 508 } 509 510 // Close InputStream and remove SendFileInfo from map 511 BluetoothOppUtility.closeSendFileInfo(mInfo.mUri); 512 if (!error) { 513 responseCode = putOperation.getResponseCode(); 514 if (responseCode != -1) { 515 if (V) Log.v(TAG, "Get response code " + responseCode); 516 if (responseCode != ResponseCodes.OBEX_HTTP_OK) { 517 Log.i(TAG, "Response error code is " + responseCode); 518 status = BluetoothShare.STATUS_UNHANDLED_OBEX_CODE; 519 if (responseCode == ResponseCodes.OBEX_HTTP_UNSUPPORTED_TYPE) { 520 status = BluetoothShare.STATUS_NOT_ACCEPTABLE; 521 } 522 if (responseCode == ResponseCodes.OBEX_HTTP_FORBIDDEN 523 || responseCode == ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE) { 524 status = BluetoothShare.STATUS_FORBIDDEN; 525 } 526 } 527 } else { 528 // responseCode is -1, which means connection error 529 status = BluetoothShare.STATUS_CONNECTION_ERROR; 530 } 531 } 532 533 Constants.updateShareStatus(mContext1, mInfo.mId, status); 534 535 if (inputStream != null) { 536 inputStream.close(); 537 } 538 if (putOperation != null) { 539 putOperation.close(); 540 } 541 } catch (IOException e) { 542 Log.e(TAG, "Error when closing stream after send"); 543 544 // Socket has been closed due to the response timeout in the framework, 545 // mark the transfer as failure. 546 if (position != fileInfo.mLength) { 547 status = BluetoothShare.STATUS_FORBIDDEN; 548 Constants.updateShareStatus(mContext1, mInfo.mId, status); 549 } 550 } 551 } 552 return status; 553 } 554 555 private void handleSendException(String exception) { 556 Log.e(TAG, "Error when sending file: " + exception); 557 // Update interrupted outbound content resolver entry when 558 // error during transfer. 559 Constants.updateShareStatus(mContext1, mInfo.mId, 560 BluetoothShare.STATUS_OBEX_DATA_ERROR); 561 mCallback.removeMessages(BluetoothOppObexSession.MSG_CONNECT_TIMEOUT); 562 } 563 564 @Override 565 public void interrupt() { 566 super.interrupt(); 567 synchronized (this) { 568 if (mWaitingForRemote) { 569 if (V) Log.v(TAG, "Interrupted when waitingForRemote"); 570 try { 571 mTransport1.close(); 572 } catch (IOException e) { 573 Log.e(TAG, "mTransport.close error"); 574 } 575 Message msg = Message.obtain(mCallback); 576 msg.what = BluetoothOppObexSession.MSG_SHARE_INTERRUPTED; 577 if (mInfo != null) { 578 msg.obj = mInfo; 579 } 580 msg.sendToTarget(); 581 } 582 } 583 } 584 } 585 586 public static void applyRemoteDeviceQuirks(HeaderSet request, String address, String filename) { 587 if (address == null) { 588 return; 589 } 590 if (address.startsWith("00:04:48")) { 591 // Poloroid Pogo 592 // Rejects filenames with more than one '.'. Rename to '_'. 593 // for example: 'a.b.jpg' -> 'a_b.jpg' 594 // 'abc.jpg' NOT CHANGED 595 char[] c = filename.toCharArray(); 596 boolean firstDot = true; 597 boolean modified = false; 598 for (int i = c.length - 1; i >= 0; i--) { 599 if (c[i] == '.') { 600 if (!firstDot) { 601 modified = true; 602 c[i] = '_'; 603 } 604 firstDot = false; 605 } 606 } 607 608 if (modified) { 609 String newFilename = new String(c); 610 request.setHeader(HeaderSet.NAME, newFilename); 611 Log.i(TAG, "Sending file \"" + filename + "\" as \"" + newFilename + 612 "\" to workaround Poloroid filename quirk"); 613 } 614 } 615 } 616 617 public void unblock() { 618 // Not used for client case 619 } 620 621} 622