SMSDispatcher.java revision db71bda6f696aff6047e6c26c32e0c08bf6851bc
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.internal.telephony; 18 19import android.app.Activity; 20import android.app.PendingIntent; 21import android.app.AlertDialog; 22import android.app.PendingIntent.CanceledException; 23import android.content.BroadcastReceiver; 24import android.content.ContentResolver; 25import android.content.ContentValues; 26import android.content.Context; 27import android.content.Intent; 28import android.content.DialogInterface; 29import android.content.IntentFilter; 30import android.content.res.Resources; 31import android.database.Cursor; 32import android.database.SQLException; 33import android.net.Uri; 34import android.os.AsyncResult; 35import android.os.Environment; 36import android.os.Handler; 37import android.os.Message; 38import android.os.PowerManager; 39import android.os.StatFs; 40import android.provider.Telephony; 41import android.provider.Telephony.Sms.Intents; 42import android.provider.Settings; 43import android.telephony.SmsMessage; 44import android.telephony.ServiceState; 45import android.util.Config; 46import android.util.Log; 47import android.view.WindowManager; 48 49import com.android.internal.util.HexDump; 50 51import java.io.ByteArrayOutputStream; 52import java.util.ArrayList; 53import java.util.HashMap; 54import java.util.Random; 55 56import com.android.internal.R; 57 58import static android.telephony.SmsManager.RESULT_ERROR_GENERIC_FAILURE; 59import static android.telephony.SmsManager.RESULT_ERROR_NO_SERVICE; 60import static android.telephony.SmsManager.RESULT_ERROR_NULL_PDU; 61import static android.telephony.SmsManager.RESULT_ERROR_RADIO_OFF; 62import static android.telephony.SmsManager.RESULT_ERROR_LIMIT_EXCEEDED; 63import static android.telephony.SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE; 64 65 66public abstract class SMSDispatcher extends Handler { 67 private static final String TAG = "SMS"; 68 private static final String SEND_NEXT_MSG_EXTRA = "SendNextMsg"; 69 70 /** Default checking period for SMS sent without user permit */ 71 private static final int DEFAULT_SMS_CHECK_PERIOD = 3600000; 72 73 /** Default number of SMS sent in checking period without user permit */ 74 private static final int DEFAULT_SMS_MAX_COUNT = 100; 75 76 /** Default timeout for SMS sent query */ 77 private static final int DEFAULT_SMS_TIMEOUT = 6000; 78 79 protected static final String[] RAW_PROJECTION = new String[] { 80 "pdu", 81 "sequence", 82 "destination_port", 83 }; 84 85 static final protected int EVENT_NEW_SMS = 1; 86 87 static final protected int EVENT_SEND_SMS_COMPLETE = 2; 88 89 /** Retry sending a previously failed SMS message */ 90 static final protected int EVENT_SEND_RETRY = 3; 91 92 /** Status report received */ 93 static final protected int EVENT_NEW_SMS_STATUS_REPORT = 5; 94 95 /** SIM/RUIM storage is full */ 96 static final protected int EVENT_ICC_FULL = 6; 97 98 /** SMS confirm required */ 99 static final protected int EVENT_POST_ALERT = 7; 100 101 /** Send the user confirmed SMS */ 102 static final protected int EVENT_SEND_CONFIRMED_SMS = 8; 103 104 /** Alert is timeout */ 105 static final protected int EVENT_ALERT_TIMEOUT = 9; 106 107 /** Stop the sending */ 108 static final protected int EVENT_STOP_SENDING = 10; 109 110 /** Memory status reporting is acknowledged by RIL */ 111 static final protected int EVENT_REPORT_MEMORY_STATUS_DONE = 11; 112 113 /** Radio is ON */ 114 static final protected int EVENT_RADIO_ON = 12; 115 116 /** New broadcast SMS */ 117 static final protected int EVENT_NEW_BROADCAST_SMS = 13; 118 119 protected Phone mPhone; 120 protected Context mContext; 121 protected ContentResolver mResolver; 122 protected CommandsInterface mCm; 123 124 protected final WapPushOverSms mWapPush; 125 126 protected final Uri mRawUri = Uri.withAppendedPath(Telephony.Sms.CONTENT_URI, "raw"); 127 128 /** Maximum number of times to retry sending a failed SMS. */ 129 private static final int MAX_SEND_RETRIES = 3; 130 /** Delay before next send attempt on a failed SMS, in milliseconds. */ 131 private static final int SEND_RETRY_DELAY = 2000; 132 /** single part SMS */ 133 private static final int SINGLE_PART_SMS = 1; 134 /** Message sending queue limit */ 135 private static final int MO_MSG_QUEUE_LIMIT = 5; 136 137 /** 138 * Message reference for a CONCATENATED_8_BIT_REFERENCE or 139 * CONCATENATED_16_BIT_REFERENCE message set. Should be 140 * incremented for each set of concatenated messages. 141 */ 142 private static int sConcatenatedRef; 143 144 private SmsCounter mCounter; 145 146 private ArrayList<SmsTracker> mSTrackers = new ArrayList<SmsTracker>(MO_MSG_QUEUE_LIMIT); 147 148 /** Wake lock to ensure device stays awake while dispatching the SMS intent. */ 149 private PowerManager.WakeLock mWakeLock; 150 151 /** 152 * Hold the wake lock for 5 seconds, which should be enough time for 153 * any receiver(s) to grab its own wake lock. 154 */ 155 private final int WAKE_LOCK_TIMEOUT = 5000; 156 157 protected boolean mStorageAvailable = true; 158 protected boolean mReportMemoryStatusPending = false; 159 160 protected static int mRemainingMessages = -1; 161 162 protected static int getNextConcatenatedRef() { 163 sConcatenatedRef += 1; 164 return sConcatenatedRef; 165 } 166 167 /** 168 * Implement the per-application based SMS control, which only allows 169 * a limit on the number of SMS/MMS messages an app can send in checking 170 * period. 171 */ 172 private class SmsCounter { 173 private int mCheckPeriod; 174 private int mMaxAllowed; 175 private HashMap<String, ArrayList<Long>> mSmsStamp; 176 177 /** 178 * Create SmsCounter 179 * @param mMax is the number of SMS allowed without user permit 180 * @param mPeriod is the checking period 181 */ 182 SmsCounter(int mMax, int mPeriod) { 183 mMaxAllowed = mMax; 184 mCheckPeriod = mPeriod; 185 mSmsStamp = new HashMap<String, ArrayList<Long>> (); 186 } 187 188 /** 189 * Check to see if an application allow to send new SMS messages 190 * 191 * @param appName is the application sending sms 192 * @param smsWaiting is the number of new sms wants to be sent 193 * @return true if application is allowed to send the requested number 194 * of new sms messages 195 */ 196 boolean check(String appName, int smsWaiting) { 197 if (!mSmsStamp.containsKey(appName)) { 198 mSmsStamp.put(appName, new ArrayList<Long>()); 199 } 200 201 return isUnderLimit(mSmsStamp.get(appName), smsWaiting); 202 } 203 204 private boolean isUnderLimit(ArrayList<Long> sent, int smsWaiting) { 205 Long ct = System.currentTimeMillis(); 206 207 Log.d(TAG, "SMS send size=" + sent.size() + "time=" + ct); 208 209 while (sent.size() > 0 && (ct - sent.get(0)) > mCheckPeriod ) { 210 sent.remove(0); 211 } 212 213 214 if ( (sent.size() + smsWaiting) <= mMaxAllowed) { 215 for (int i = 0; i < smsWaiting; i++ ) { 216 sent.add(ct); 217 } 218 return true; 219 } 220 return false; 221 } 222 } 223 224 protected SMSDispatcher(PhoneBase phone) { 225 mPhone = phone; 226 mWapPush = new WapPushOverSms(phone, this); 227 mContext = phone.getContext(); 228 mResolver = mContext.getContentResolver(); 229 mCm = phone.mCM; 230 231 createWakelock(); 232 233 int check_period = Settings.Secure.getInt(mResolver, 234 Settings.Secure.SMS_OUTGOING_CHECK_INTERVAL_MS, 235 DEFAULT_SMS_CHECK_PERIOD); 236 int max_count = Settings.Secure.getInt(mResolver, 237 Settings.Secure.SMS_OUTGOING_CHECK_MAX_COUNT, 238 DEFAULT_SMS_MAX_COUNT); 239 mCounter = new SmsCounter(max_count, check_period); 240 241 mCm.setOnNewSMS(this, EVENT_NEW_SMS, null); 242 mCm.setOnSmsStatus(this, EVENT_NEW_SMS_STATUS_REPORT, null); 243 mCm.setOnIccSmsFull(this, EVENT_ICC_FULL, null); 244 mCm.registerForOn(this, EVENT_RADIO_ON, null); 245 246 // Don't always start message ref at 0. 247 sConcatenatedRef = new Random().nextInt(256); 248 249 // Register for device storage intents. Use these to notify the RIL 250 // that storage for SMS is or is not available. 251 IntentFilter filter = new IntentFilter(); 252 filter.addAction(Intent.ACTION_DEVICE_STORAGE_FULL); 253 filter.addAction(Intent.ACTION_DEVICE_STORAGE_NOT_FULL); 254 mContext.registerReceiver(mResultReceiver, filter); 255 } 256 257 public void dispose() { 258 mCm.unSetOnNewSMS(this); 259 mCm.unSetOnSmsStatus(this); 260 mCm.unSetOnIccSmsFull(this); 261 mCm.unregisterForOn(this); 262 } 263 264 protected void finalize() { 265 Log.d(TAG, "SMSDispatcher finalized"); 266 } 267 268 269 /* TODO: Need to figure out how to keep track of status report routing in a 270 * persistent manner. If the phone process restarts (reboot or crash), 271 * we will lose this list and any status reports that come in after 272 * will be dropped. 273 */ 274 /** Sent messages awaiting a delivery status report. */ 275 protected final ArrayList<SmsTracker> deliveryPendingList = new ArrayList<SmsTracker>(); 276 277 /** 278 * Handles events coming from the phone stack. Overridden from handler. 279 * 280 * @param msg the message to handle 281 */ 282 @Override 283 public void handleMessage(Message msg) { 284 AsyncResult ar; 285 286 switch (msg.what) { 287 case EVENT_NEW_SMS: 288 // A new SMS has been received by the device 289 if (Config.LOGD) { 290 Log.d(TAG, "New SMS Message Received"); 291 } 292 293 SmsMessage sms; 294 295 ar = (AsyncResult) msg.obj; 296 297 if (ar.exception != null) { 298 Log.e(TAG, "Exception processing incoming SMS. Exception:" + ar.exception); 299 return; 300 } 301 302 sms = (SmsMessage) ar.result; 303 try { 304 int result = dispatchMessage(sms.mWrappedSmsMessage); 305 if (result != Activity.RESULT_OK) { 306 // RESULT_OK means that message was broadcast for app(s) to handle. 307 // Any other result, we should ack here. 308 boolean handled = (result == Intents.RESULT_SMS_HANDLED); 309 notifyAndAcknowledgeLastIncomingSms(handled, result, null); 310 } 311 } catch (RuntimeException ex) { 312 Log.e(TAG, "Exception dispatching message", ex); 313 notifyAndAcknowledgeLastIncomingSms(false, Intents.RESULT_SMS_GENERIC_ERROR, null); 314 } 315 316 break; 317 318 case EVENT_SEND_SMS_COMPLETE: 319 // An outbound SMS has been successfully transferred, or failed. 320 handleSendComplete((AsyncResult) msg.obj); 321 break; 322 323 case EVENT_SEND_RETRY: 324 sendSms((SmsTracker) msg.obj); 325 break; 326 327 case EVENT_NEW_SMS_STATUS_REPORT: 328 handleStatusReport((AsyncResult)msg.obj); 329 break; 330 331 case EVENT_ICC_FULL: 332 handleIccFull(); 333 break; 334 335 case EVENT_POST_ALERT: 336 handleReachSentLimit((SmsTracker)(msg.obj)); 337 break; 338 339 case EVENT_ALERT_TIMEOUT: 340 ((AlertDialog)(msg.obj)).dismiss(); 341 msg.obj = null; 342 if (mSTrackers.isEmpty() == false) { 343 try { 344 SmsTracker sTracker = mSTrackers.remove(0); 345 sTracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED); 346 } catch (CanceledException ex) { 347 Log.e(TAG, "failed to send back RESULT_ERROR_LIMIT_EXCEEDED"); 348 } 349 } 350 if (Config.LOGD) { 351 Log.d(TAG, "EVENT_ALERT_TIMEOUT, message stop sending"); 352 } 353 break; 354 355 case EVENT_SEND_CONFIRMED_SMS: 356 if (mSTrackers.isEmpty() == false) { 357 SmsTracker sTracker = mSTrackers.remove(mSTrackers.size() - 1); 358 if (isMultipartTracker(sTracker)) { 359 sendMultipartSms(sTracker); 360 } else { 361 sendSms(sTracker); 362 } 363 removeMessages(EVENT_ALERT_TIMEOUT, msg.obj); 364 } 365 break; 366 367 case EVENT_STOP_SENDING: 368 if (mSTrackers.isEmpty() == false) { 369 // Remove the latest one. 370 try { 371 SmsTracker sTracker = mSTrackers.remove(mSTrackers.size() - 1); 372 sTracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED); 373 } catch (CanceledException ex) { 374 Log.e(TAG, "failed to send back RESULT_ERROR_LIMIT_EXCEEDED"); 375 } 376 removeMessages(EVENT_ALERT_TIMEOUT, msg.obj); 377 } 378 break; 379 380 case EVENT_REPORT_MEMORY_STATUS_DONE: 381 ar = (AsyncResult)msg.obj; 382 if (ar.exception != null) { 383 mReportMemoryStatusPending = true; 384 Log.v(TAG, "Memory status report to modem pending : mStorageAvailable = " 385 + mStorageAvailable); 386 } else { 387 mReportMemoryStatusPending = false; 388 } 389 break; 390 391 case EVENT_RADIO_ON: 392 if (mReportMemoryStatusPending) { 393 Log.v(TAG, "Sending pending memory status report : mStorageAvailable = " 394 + mStorageAvailable); 395 mCm.reportSmsMemoryStatus(mStorageAvailable, 396 obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE)); 397 } 398 399 case EVENT_NEW_BROADCAST_SMS: 400 handleBroadcastSms((AsyncResult)msg.obj); 401 break; 402 } 403 } 404 405 private void createWakelock() { 406 PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); 407 mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "SMSDispatcher"); 408 mWakeLock.setReferenceCounted(true); 409 } 410 411 /** 412 * Grabs a wake lock and sends intent as an ordered broadcast. 413 * The resultReceiver will check for errors and ACK/NACK back 414 * to the RIL. 415 * 416 * @param intent intent to broadcast 417 * @param permission Receivers are required to have this permission 418 */ 419 void dispatch(Intent intent, String permission) { 420 // Hold a wake lock for WAKE_LOCK_TIMEOUT seconds, enough to give any 421 // receivers time to take their own wake locks. 422 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 423 mContext.sendOrderedBroadcast(intent, permission, mResultReceiver, 424 this, Activity.RESULT_OK, null, null); 425 } 426 427 /** 428 * Called when SIM_FULL message is received from the RIL. Notifies interested 429 * parties that SIM storage for SMS messages is full. 430 */ 431 private void handleIccFull(){ 432 // broadcast SIM_FULL intent 433 Intent intent = new Intent(Intents.SIM_FULL_ACTION); 434 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 435 mContext.sendBroadcast(intent, "android.permission.RECEIVE_SMS"); 436 } 437 438 /** 439 * Called when a status report is received. This should correspond to 440 * a previously successful SEND. 441 * 442 * @param ar AsyncResult passed into the message handler. ar.result should 443 * be a String representing the status report PDU, as ASCII hex. 444 */ 445 protected abstract void handleStatusReport(AsyncResult ar); 446 447 /** 448 * Called when SMS send completes. Broadcasts a sentIntent on success. 449 * On failure, either sets up retries or broadcasts a sentIntent with 450 * the failure in the result code. 451 * 452 * @param ar AsyncResult passed into the message handler. ar.result should 453 * an SmsResponse instance if send was successful. ar.userObj 454 * should be an SmsTracker instance. 455 */ 456 protected void handleSendComplete(AsyncResult ar) { 457 SmsTracker tracker = (SmsTracker) ar.userObj; 458 PendingIntent sentIntent = tracker.mSentIntent; 459 460 if (ar.exception == null) { 461 if (Config.LOGD) { 462 Log.d(TAG, "SMS send complete. Broadcasting " 463 + "intent: " + sentIntent); 464 } 465 466 if (tracker.mDeliveryIntent != null) { 467 // Expecting a status report. Add it to the list. 468 int messageRef = ((SmsResponse)ar.result).messageRef; 469 tracker.mMessageRef = messageRef; 470 deliveryPendingList.add(tracker); 471 } 472 473 if (sentIntent != null) { 474 try { 475 if (mRemainingMessages > -1) { 476 mRemainingMessages--; 477 } 478 479 if (mRemainingMessages == 0) { 480 Intent sendNext = new Intent(); 481 sendNext.putExtra(SEND_NEXT_MSG_EXTRA, true); 482 sentIntent.send(mContext, Activity.RESULT_OK, sendNext); 483 } else { 484 sentIntent.send(Activity.RESULT_OK); 485 } 486 } catch (CanceledException ex) {} 487 } 488 } else { 489 if (Config.LOGD) { 490 Log.d(TAG, "SMS send failed"); 491 } 492 493 int ss = mPhone.getServiceState().getState(); 494 495 if (ss != ServiceState.STATE_IN_SERVICE) { 496 handleNotInService(ss, tracker); 497 } else if ((((CommandException)(ar.exception)).getCommandError() 498 == CommandException.Error.SMS_FAIL_RETRY) && 499 tracker.mRetryCount < MAX_SEND_RETRIES) { 500 // Retry after a delay if needed. 501 // TODO: According to TS 23.040, 9.2.3.6, we should resend 502 // with the same TP-MR as the failed message, and 503 // TP-RD set to 1. However, we don't have a means of 504 // knowing the MR for the failed message (EF_SMSstatus 505 // may or may not have the MR corresponding to this 506 // message, depending on the failure). Also, in some 507 // implementations this retry is handled by the baseband. 508 tracker.mRetryCount++; 509 Message retryMsg = obtainMessage(EVENT_SEND_RETRY, tracker); 510 sendMessageDelayed(retryMsg, SEND_RETRY_DELAY); 511 } else if (tracker.mSentIntent != null) { 512 int error = RESULT_ERROR_GENERIC_FAILURE; 513 514 if (((CommandException)(ar.exception)).getCommandError() 515 == CommandException.Error.FDN_CHECK_FAILURE) { 516 error = RESULT_ERROR_FDN_CHECK_FAILURE; 517 } 518 // Done retrying; return an error to the app. 519 try { 520 Intent fillIn = new Intent(); 521 if (ar.result != null) { 522 fillIn.putExtra("errorCode", ((SmsResponse)ar.result).errorCode); 523 } 524 if (mRemainingMessages > -1) { 525 mRemainingMessages--; 526 } 527 528 if (mRemainingMessages == 0) { 529 fillIn.putExtra(SEND_NEXT_MSG_EXTRA, true); 530 } 531 532 tracker.mSentIntent.send(mContext, error, fillIn); 533 } catch (CanceledException ex) {} 534 } 535 } 536 } 537 538 /** 539 * Handles outbound message when the phone is not in service. 540 * 541 * @param ss Current service state. Valid values are: 542 * OUT_OF_SERVICE 543 * EMERGENCY_ONLY 544 * POWER_OFF 545 * @param tracker An SmsTracker for the current message. 546 */ 547 protected void handleNotInService(int ss, SmsTracker tracker) { 548 if (tracker.mSentIntent != null) { 549 try { 550 if (ss == ServiceState.STATE_POWER_OFF) { 551 tracker.mSentIntent.send(RESULT_ERROR_RADIO_OFF); 552 } else { 553 tracker.mSentIntent.send(RESULT_ERROR_NO_SERVICE); 554 } 555 } catch (CanceledException ex) {} 556 } 557 } 558 559 /** 560 * Dispatches an incoming SMS messages. 561 * 562 * @param sms the incoming message from the phone 563 * @return a result code from {@link Telephony.Sms.Intents}, or 564 * {@link Activity#RESULT_OK} if the message has been broadcast 565 * to applications 566 */ 567 protected abstract int dispatchMessage(SmsMessageBase sms); 568 569 570 /** 571 * If this is the last part send the parts out to the application, otherwise 572 * the part is stored for later processing. 573 * 574 * NOTE: concatRef (naturally) needs to be non-null, but portAddrs can be null. 575 * @return a result code from {@link Telephony.Sms.Intents}, or 576 * {@link Activity#RESULT_OK} if the message has been broadcast 577 * to applications 578 */ 579 protected int processMessagePart(SmsMessageBase sms, 580 SmsHeader.ConcatRef concatRef, SmsHeader.PortAddrs portAddrs) { 581 582 // Lookup all other related parts 583 StringBuilder where = new StringBuilder("reference_number ="); 584 where.append(concatRef.refNumber); 585 where.append(" AND address = ?"); 586 String[] whereArgs = new String[] {sms.getOriginatingAddress()}; 587 588 byte[][] pdus = null; 589 Cursor cursor = null; 590 try { 591 cursor = mResolver.query(mRawUri, RAW_PROJECTION, where.toString(), whereArgs, null); 592 int cursorCount = cursor.getCount(); 593 if (cursorCount != concatRef.msgCount - 1) { 594 // We don't have all the parts yet, store this one away 595 ContentValues values = new ContentValues(); 596 values.put("date", new Long(sms.getTimestampMillis())); 597 values.put("pdu", HexDump.toHexString(sms.getPdu())); 598 values.put("address", sms.getOriginatingAddress()); 599 values.put("reference_number", concatRef.refNumber); 600 values.put("count", concatRef.msgCount); 601 values.put("sequence", concatRef.seqNumber); 602 if (portAddrs != null) { 603 values.put("destination_port", portAddrs.destPort); 604 } 605 mResolver.insert(mRawUri, values); 606 return Intents.RESULT_SMS_HANDLED; 607 } 608 609 // All the parts are in place, deal with them 610 int pduColumn = cursor.getColumnIndex("pdu"); 611 int sequenceColumn = cursor.getColumnIndex("sequence"); 612 613 pdus = new byte[concatRef.msgCount][]; 614 for (int i = 0; i < cursorCount; i++) { 615 cursor.moveToNext(); 616 int cursorSequence = (int)cursor.getLong(sequenceColumn); 617 pdus[cursorSequence - 1] = HexDump.hexStringToByteArray( 618 cursor.getString(pduColumn)); 619 } 620 // This one isn't in the DB, so add it 621 pdus[concatRef.seqNumber - 1] = sms.getPdu(); 622 623 // Remove the parts from the database 624 mResolver.delete(mRawUri, where.toString(), whereArgs); 625 } catch (SQLException e) { 626 Log.e(TAG, "Can't access multipart SMS database", e); 627 // TODO: Would OUT_OF_MEMORY be more appropriate? 628 return Intents.RESULT_SMS_GENERIC_ERROR; 629 } finally { 630 if (cursor != null) cursor.close(); 631 } 632 633 /** 634 * TODO(cleanup): The following code has duplicated logic with 635 * the radio-specific dispatchMessage code, which is fragile, 636 * in addition to being redundant. Instead, if this method 637 * maybe returned the reassembled message (or just contents), 638 * the following code (which is not really related to 639 * reconstruction) could be better consolidated. 640 */ 641 642 // Dispatch the PDUs to applications 643 if (portAddrs != null) { 644 if (portAddrs.destPort == SmsHeader.PORT_WAP_PUSH) { 645 // Build up the data stream 646 ByteArrayOutputStream output = new ByteArrayOutputStream(); 647 for (int i = 0; i < concatRef.msgCount; i++) { 648 SmsMessage msg = SmsMessage.createFromPdu(pdus[i]); 649 byte[] data = msg.getUserData(); 650 output.write(data, 0, data.length); 651 } 652 // Handle the PUSH 653 return mWapPush.dispatchWapPdu(output.toByteArray()); 654 } else { 655 // The messages were sent to a port, so concoct a URI for it 656 dispatchPortAddressedPdus(pdus, portAddrs.destPort); 657 } 658 } else { 659 // The messages were not sent to a port 660 dispatchPdus(pdus); 661 } 662 return Activity.RESULT_OK; 663 } 664 665 /** 666 * Dispatches standard PDUs to interested applications 667 * 668 * @param pdus The raw PDUs making up the message 669 */ 670 protected void dispatchPdus(byte[][] pdus) { 671 Intent intent = new Intent(Intents.SMS_RECEIVED_ACTION); 672 intent.putExtra("pdus", pdus); 673 dispatch(intent, "android.permission.RECEIVE_SMS"); 674 } 675 676 /** 677 * Dispatches port addressed PDUs to interested applications 678 * 679 * @param pdus The raw PDUs making up the message 680 * @param port The destination port of the messages 681 */ 682 protected void dispatchPortAddressedPdus(byte[][] pdus, int port) { 683 Uri uri = Uri.parse("sms://localhost:" + port); 684 Intent intent = new Intent(Intents.DATA_SMS_RECEIVED_ACTION, uri); 685 intent.putExtra("pdus", pdus); 686 dispatch(intent, "android.permission.RECEIVE_SMS"); 687 } 688 689 /** 690 * Send a data based SMS to a specific application port. 691 * 692 * @param destAddr the address to send the message to 693 * @param scAddr is the service center address or null to use 694 * the current default SMSC 695 * @param destPort the port to deliver the message to 696 * @param data the body of the message to send 697 * @param sentIntent if not NULL this <code>PendingIntent</code> is 698 * broadcast when the message is successfully sent, or failed. 699 * The result code will be <code>Activity.RESULT_OK<code> for success, 700 * or one of these errors:<br> 701 * <code>RESULT_ERROR_GENERIC_FAILURE</code><br> 702 * <code>RESULT_ERROR_RADIO_OFF</code><br> 703 * <code>RESULT_ERROR_NULL_PDU</code><br> 704 * For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include 705 * the extra "errorCode" containing a radio technology specific value, 706 * generally only useful for troubleshooting.<br> 707 * The per-application based SMS control checks sentIntent. If sentIntent 708 * is NULL the caller will be checked against all unknown applications, 709 * which cause smaller number of SMS to be sent in checking period. 710 * @param deliveryIntent if not NULL this <code>PendingIntent</code> is 711 * broadcast when the message is delivered to the recipient. The 712 * raw pdu of the status report is in the extended data ("pdu"). 713 */ 714 protected abstract void sendData(String destAddr, String scAddr, int destPort, 715 byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent); 716 717 /** 718 * Send a text based SMS. 719 * 720 * @param destAddr the address to send the message to 721 * @param scAddr is the service center address or null to use 722 * the current default SMSC 723 * @param text the body of the message to send 724 * @param sentIntent if not NULL this <code>PendingIntent</code> is 725 * broadcast when the message is successfully sent, or failed. 726 * The result code will be <code>Activity.RESULT_OK<code> for success, 727 * or one of these errors:<br> 728 * <code>RESULT_ERROR_GENERIC_FAILURE</code><br> 729 * <code>RESULT_ERROR_RADIO_OFF</code><br> 730 * <code>RESULT_ERROR_NULL_PDU</code><br> 731 * For <code>RESULT_ERROR_GENERIC_FAILURE</code> the sentIntent may include 732 * the extra "errorCode" containing a radio technology specific value, 733 * generally only useful for troubleshooting.<br> 734 * The per-application based SMS control checks sentIntent. If sentIntent 735 * is NULL the caller will be checked against all unknown applications, 736 * which cause smaller number of SMS to be sent in checking period. 737 * @param deliveryIntent if not NULL this <code>PendingIntent</code> is 738 * broadcast when the message is delivered to the recipient. The 739 * raw pdu of the status report is in the extended data ("pdu"). 740 */ 741 protected abstract void sendText(String destAddr, String scAddr, 742 String text, PendingIntent sentIntent, PendingIntent deliveryIntent); 743 744 /** 745 * Send a multi-part text based SMS. 746 * 747 * @param destAddr the address to send the message to 748 * @param scAddr is the service center address or null to use 749 * the current default SMSC 750 * @param parts an <code>ArrayList</code> of strings that, in order, 751 * comprise the original message 752 * @param sentIntents if not null, an <code>ArrayList</code> of 753 * <code>PendingIntent</code>s (one for each message part) that is 754 * broadcast when the corresponding message part has been sent. 755 * The result code will be <code>Activity.RESULT_OK<code> for success, 756 * or one of these errors: 757 * <code>RESULT_ERROR_GENERIC_FAILURE</code> 758 * <code>RESULT_ERROR_RADIO_OFF</code> 759 * <code>RESULT_ERROR_NULL_PDU</code>. 760 * The per-application based SMS control checks sentIntent. If sentIntent 761 * is NULL the caller will be checked against all unknown applications, 762 * which cause smaller number of SMS to be sent in checking period. 763 * @param deliveryIntents if not null, an <code>ArrayList</code> of 764 * <code>PendingIntent</code>s (one for each message part) that is 765 * broadcast when the corresponding message part has been delivered 766 * to the recipient. The raw pdu of the status report is in the 767 * extended data ("pdu"). 768 */ 769 protected abstract void sendMultipartText(String destAddr, String scAddr, 770 ArrayList<String> parts, ArrayList<PendingIntent> sentIntents, 771 ArrayList<PendingIntent> deliveryIntents); 772 773 /** 774 * Send a SMS 775 * 776 * @param smsc the SMSC to send the message through, or NULL for the 777 * default SMSC 778 * @param pdu the raw PDU to send 779 * @param sentIntent if not NULL this <code>Intent</code> is 780 * broadcast when the message is successfully sent, or failed. 781 * The result code will be <code>Activity.RESULT_OK<code> for success, 782 * or one of these errors: 783 * <code>RESULT_ERROR_GENERIC_FAILURE</code> 784 * <code>RESULT_ERROR_RADIO_OFF</code> 785 * <code>RESULT_ERROR_NULL_PDU</code>. 786 * The per-application based SMS control checks sentIntent. If sentIntent 787 * is NULL the caller will be checked against all unknown applications, 788 * which cause smaller number of SMS to be sent in checking period. 789 * @param deliveryIntent if not NULL this <code>Intent</code> is 790 * broadcast when the message is delivered to the recipient. The 791 * raw pdu of the status report is in the extended data ("pdu"). 792 */ 793 protected void sendRawPdu(byte[] smsc, byte[] pdu, PendingIntent sentIntent, 794 PendingIntent deliveryIntent) { 795 if (pdu == null) { 796 if (sentIntent != null) { 797 try { 798 sentIntent.send(RESULT_ERROR_NULL_PDU); 799 } catch (CanceledException ex) {} 800 } 801 return; 802 } 803 804 HashMap<String, Object> map = new HashMap<String, Object>(); 805 map.put("smsc", smsc); 806 map.put("pdu", pdu); 807 808 SmsTracker tracker = new SmsTracker(map, sentIntent, 809 deliveryIntent); 810 int ss = mPhone.getServiceState().getState(); 811 812 if (ss != ServiceState.STATE_IN_SERVICE) { 813 handleNotInService(ss, tracker); 814 } else { 815 String appName = getAppNameByIntent(sentIntent); 816 if (mCounter.check(appName, SINGLE_PART_SMS)) { 817 sendSms(tracker); 818 } else { 819 sendMessage(obtainMessage(EVENT_POST_ALERT, tracker)); 820 } 821 } 822 } 823 824 /** 825 * Post an alert while SMS needs user confirm. 826 * 827 * An SmsTracker for the current message. 828 */ 829 protected void handleReachSentLimit(SmsTracker tracker) { 830 if (mSTrackers.size() >= MO_MSG_QUEUE_LIMIT) { 831 // Deny the sending when the queue limit is reached. 832 try { 833 tracker.mSentIntent.send(RESULT_ERROR_LIMIT_EXCEEDED); 834 } catch (CanceledException ex) { 835 Log.e(TAG, "failed to send back RESULT_ERROR_LIMIT_EXCEEDED"); 836 } 837 return; 838 } 839 840 Resources r = Resources.getSystem(); 841 842 String appName = getAppNameByIntent(tracker.mSentIntent); 843 844 AlertDialog d = new AlertDialog.Builder(mContext) 845 .setTitle(r.getString(R.string.sms_control_title)) 846 .setMessage(appName + " " + r.getString(R.string.sms_control_message)) 847 .setPositiveButton(r.getString(R.string.sms_control_yes), mListener) 848 .setNegativeButton(r.getString(R.string.sms_control_no), mListener) 849 .create(); 850 851 d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 852 d.show(); 853 854 mSTrackers.add(tracker); 855 sendMessageDelayed ( obtainMessage(EVENT_ALERT_TIMEOUT, d), 856 DEFAULT_SMS_TIMEOUT); 857 } 858 859 protected String getAppNameByIntent(PendingIntent intent) { 860 Resources r = Resources.getSystem(); 861 return (intent != null) ? intent.getTargetPackage() 862 : r.getString(R.string.sms_control_default_app_name); 863 } 864 865 /** 866 * Send the message along to the radio. 867 * 868 * @param tracker holds the SMS message to send 869 */ 870 protected abstract void sendSms(SmsTracker tracker); 871 872 /** 873 * Send the multi-part SMS based on multipart Sms tracker 874 * 875 * @param tracker holds the multipart Sms tracker ready to be sent 876 */ 877 protected abstract void sendMultipartSms (SmsTracker tracker); 878 879 /** 880 * Activate or deactivate cell broadcast SMS. 881 * 882 * @param activate 883 * 0 = activate, 1 = deactivate 884 * @param response 885 * Callback message is empty on completion 886 */ 887 protected abstract void activateCellBroadcastSms(int activate, Message response); 888 889 /** 890 * Query the current configuration of cell broadcast SMS. 891 * 892 * @param response 893 * Callback message contains the configuration from the modem on completion 894 * @see #setCellBroadcastConfig 895 */ 896 protected abstract void getCellBroadcastSmsConfig(Message response); 897 898 /** 899 * Configure cell broadcast SMS. 900 * 901 * @param configValuesArray 902 * The first element defines the number of triples that follow. 903 * A triple is made up of the service category, the language identifier 904 * and a boolean that specifies whether the category is set active. 905 * @param response 906 * Callback message is empty on completion 907 */ 908 protected abstract void setCellBroadcastConfig(int[] configValuesArray, Message response); 909 910 /** 911 * Send an acknowledge message. 912 * @param success indicates that last message was successfully received. 913 * @param result result code indicating any error 914 * @param response callback message sent when operation completes. 915 */ 916 protected abstract void acknowledgeLastIncomingSms(boolean success, 917 int result, Message response); 918 919 /** 920 * Notify interested apps if the framework has rejected an incoming SMS, 921 * and send an acknowledge message to the network. 922 * @param success indicates that last message was successfully received. 923 * @param result result code indicating any error 924 * @param response callback message sent when operation completes. 925 */ 926 private void notifyAndAcknowledgeLastIncomingSms(boolean success, 927 int result, Message response) { 928 if (!success) { 929 // broadcast SMS_REJECTED_ACTION intent 930 Intent intent = new Intent(Intents.SMS_REJECTED_ACTION); 931 intent.putExtra("result", result); 932 mWakeLock.acquire(WAKE_LOCK_TIMEOUT); 933 mContext.sendBroadcast(intent, "android.permission.RECEIVE_SMS"); 934 } 935 acknowledgeLastIncomingSms(success, result, response); 936 } 937 938 /** 939 * Check if a SmsTracker holds multi-part Sms 940 * 941 * @param tracker a SmsTracker could hold a multi-part Sms 942 * @return true for tracker holds Multi-parts Sms 943 */ 944 private boolean isMultipartTracker (SmsTracker tracker) { 945 HashMap map = tracker.mData; 946 return ( map.get("parts") != null); 947 } 948 949 /** 950 * Keeps track of an SMS that has been sent to the RIL, until it has 951 * successfully been sent, or we're done trying. 952 * 953 */ 954 static protected class SmsTracker { 955 // fields need to be public for derived SmsDispatchers 956 public HashMap mData; 957 public int mRetryCount; 958 public int mMessageRef; 959 960 public PendingIntent mSentIntent; 961 public PendingIntent mDeliveryIntent; 962 963 SmsTracker(HashMap data, PendingIntent sentIntent, 964 PendingIntent deliveryIntent) { 965 mData = data; 966 mSentIntent = sentIntent; 967 mDeliveryIntent = deliveryIntent; 968 mRetryCount = 0; 969 } 970 } 971 972 protected SmsTracker SmsTrackerFactory(HashMap data, PendingIntent sentIntent, 973 PendingIntent deliveryIntent) { 974 return new SmsTracker(data, sentIntent, deliveryIntent); 975 } 976 977 private DialogInterface.OnClickListener mListener = 978 new DialogInterface.OnClickListener() { 979 980 public void onClick(DialogInterface dialog, int which) { 981 if (which == DialogInterface.BUTTON_POSITIVE) { 982 Log.d(TAG, "click YES to send out sms"); 983 sendMessage(obtainMessage(EVENT_SEND_CONFIRMED_SMS)); 984 } else if (which == DialogInterface.BUTTON_NEGATIVE) { 985 Log.d(TAG, "click NO to stop sending"); 986 sendMessage(obtainMessage(EVENT_STOP_SENDING)); 987 } 988 } 989 }; 990 991 private BroadcastReceiver mResultReceiver = new BroadcastReceiver() { 992 @Override 993 public void onReceive(Context context, Intent intent) { 994 if (intent.getAction().equals(Intent.ACTION_DEVICE_STORAGE_FULL)) { 995 mStorageAvailable = false; 996 mCm.reportSmsMemoryStatus(false, obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE)); 997 } else if (intent.getAction().equals(Intent.ACTION_DEVICE_STORAGE_NOT_FULL)) { 998 mStorageAvailable = true; 999 mCm.reportSmsMemoryStatus(true, obtainMessage(EVENT_REPORT_MEMORY_STATUS_DONE)); 1000 } else { 1001 // Assume the intent is one of the SMS receive intents that 1002 // was sent as an ordered broadcast. Check result and ACK. 1003 int rc = getResultCode(); 1004 boolean success = (rc == Activity.RESULT_OK) 1005 || (rc == Intents.RESULT_SMS_HANDLED); 1006 1007 // For a multi-part message, this only ACKs the last part. 1008 // Previous parts were ACK'd as they were received. 1009 acknowledgeLastIncomingSms(success, rc, null); 1010 } 1011 } 1012 }; 1013 1014 protected abstract void handleBroadcastSms(AsyncResult ar); 1015 1016 protected void dispatchBroadcastPdus(byte[][] pdus) { 1017 Intent intent = new Intent("android.provider.telephony.SMS_CB_RECEIVED"); 1018 intent.putExtra("pdus", pdus); 1019 1020 if (Config.LOGD) 1021 Log.d(TAG, "Dispatching " + pdus.length + " SMS CB pdus"); 1022 1023 dispatch(intent, "android.permission.RECEIVE_SMS"); 1024 } 1025 1026} 1027