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      1 /*
      2  * Copyright (C) 2007-2008 Esmertec AG.
      3  * Copyright (C) 2007-2008 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.mms.transaction;
     19 
     20 import java.util.Arrays;
     21 
     22 import android.content.ContentUris;
     23 import android.content.ContentValues;
     24 import android.content.Context;
     25 import android.database.sqlite.SqliteWrapper;
     26 import android.net.Uri;
     27 import android.provider.Telephony.Mms;
     28 import android.provider.Telephony.Mms.Sent;
     29 import android.text.TextUtils;
     30 import android.util.Log;
     31 
     32 import com.android.mms.LogTag;
     33 import com.android.mms.ui.MessageUtils;
     34 import com.android.mms.util.RateController;
     35 import com.android.mms.util.SendingProgressTokenManager;
     36 import com.google.android.mms.pdu.EncodedStringValue;
     37 import com.google.android.mms.pdu.PduComposer;
     38 import com.google.android.mms.pdu.PduHeaders;
     39 import com.google.android.mms.pdu.PduParser;
     40 import com.google.android.mms.pdu.PduPersister;
     41 import com.google.android.mms.pdu.SendConf;
     42 import com.google.android.mms.pdu.SendReq;
     43 
     44 /**
     45  * The SendTransaction is responsible for sending multimedia messages
     46  * (M-Send.req) to the MMSC server.  It:
     47  *
     48  * <ul>
     49  * <li>Loads the multimedia message from storage (Outbox).
     50  * <li>Packs M-Send.req and sends it.
     51  * <li>Retrieves confirmation data from the server  (M-Send.conf).
     52  * <li>Parses confirmation message and handles it.
     53  * <li>Moves sent multimedia message from Outbox to Sent.
     54  * <li>Notifies the TransactionService about successful completion.
     55  * </ul>
     56  */
     57 public class SendTransaction extends Transaction implements Runnable {
     58     private static final String TAG = "SendTransaction";
     59 
     60     private Thread mThread;
     61     public final Uri mSendReqURI;
     62 
     63     public SendTransaction(Context context,
     64             int transId, TransactionSettings connectionSettings, String uri) {
     65         super(context, transId, connectionSettings);
     66         mSendReqURI = Uri.parse(uri);
     67         mId = uri;
     68 
     69         // Attach the transaction to the instance of RetryScheduler.
     70         attach(RetryScheduler.getInstance(context));
     71     }
     72 
     73     /*
     74      * (non-Javadoc)
     75      * @see com.android.mms.Transaction#process()
     76      */
     77     @Override
     78     public void process() {
     79         mThread = new Thread(this, "SendTransaction");
     80         mThread.start();
     81     }
     82 
     83     public void run() {
     84         try {
     85             RateController rateCtlr = RateController.getInstance();
     86             if (rateCtlr.isLimitSurpassed() && !rateCtlr.isAllowedByUser()) {
     87                 Log.e(TAG, "Sending rate limit surpassed.");
     88                 return;
     89             }
     90 
     91             // Load M-Send.req from outbox
     92             PduPersister persister = PduPersister.getPduPersister(mContext);
     93             SendReq sendReq = (SendReq) persister.load(mSendReqURI);
     94 
     95             // Update the 'date' field of the PDU right before sending it.
     96             long date = System.currentTimeMillis() / 1000L;
     97             sendReq.setDate(date);
     98 
     99             // Persist the new date value into database.
    100             ContentValues values = new ContentValues(1);
    101             values.put(Mms.DATE, date);
    102             SqliteWrapper.update(mContext, mContext.getContentResolver(),
    103                                  mSendReqURI, values, null, null);
    104 
    105             // fix bug 2100169: insert the 'from' address per spec
    106             String lineNumber = MessageUtils.getLocalNumber();
    107             if (!TextUtils.isEmpty(lineNumber)) {
    108                 sendReq.setFrom(new EncodedStringValue(lineNumber));
    109             }
    110 
    111             // Pack M-Send.req, send it, retrieve confirmation data, and parse it
    112             long tokenKey = ContentUris.parseId(mSendReqURI);
    113             byte[] response = sendPdu(SendingProgressTokenManager.get(tokenKey),
    114                                       new PduComposer(mContext, sendReq).make());
    115             SendingProgressTokenManager.remove(tokenKey);
    116 
    117             if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
    118                 String respStr = new String(response);
    119                 Log.d(TAG, "[SendTransaction] run: send mms msg (" + mId + "), resp=" + respStr);
    120             }
    121 
    122             SendConf conf = (SendConf) new PduParser(response).parse();
    123             if (conf == null) {
    124                 Log.e(TAG, "No M-Send.conf received.");
    125             }
    126 
    127             // Check whether the responding Transaction-ID is consistent
    128             // with the sent one.
    129             byte[] reqId = sendReq.getTransactionId();
    130             byte[] confId = conf.getTransactionId();
    131             if (!Arrays.equals(reqId, confId)) {
    132                 Log.e(TAG, "Inconsistent Transaction-ID: req="
    133                         + new String(reqId) + ", conf=" + new String(confId));
    134                 return;
    135             }
    136 
    137             // From now on, we won't save the whole M-Send.conf into
    138             // our database. Instead, we just save some interesting fields
    139             // into the related M-Send.req.
    140             values = new ContentValues(2);
    141             int respStatus = conf.getResponseStatus();
    142             values.put(Mms.RESPONSE_STATUS, respStatus);
    143 
    144             if (respStatus != PduHeaders.RESPONSE_STATUS_OK) {
    145                 SqliteWrapper.update(mContext, mContext.getContentResolver(),
    146                                      mSendReqURI, values, null, null);
    147                 Log.e(TAG, "Server returned an error code: " + respStatus);
    148                 return;
    149             }
    150 
    151             String messageId = PduPersister.toIsoString(conf.getMessageId());
    152             values.put(Mms.MESSAGE_ID, messageId);
    153             SqliteWrapper.update(mContext, mContext.getContentResolver(),
    154                                  mSendReqURI, values, null, null);
    155 
    156             // Move M-Send.req from Outbox into Sent.
    157             Uri uri = persister.move(mSendReqURI, Sent.CONTENT_URI);
    158 
    159             mTransactionState.setState(TransactionState.SUCCESS);
    160             mTransactionState.setContentUri(uri);
    161         } catch (Throwable t) {
    162             Log.e(TAG, Log.getStackTraceString(t));
    163         } finally {
    164             if (mTransactionState.getState() != TransactionState.SUCCESS) {
    165                 mTransactionState.setState(TransactionState.FAILED);
    166                 mTransactionState.setContentUri(mSendReqURI);
    167                 Log.e(TAG, "Delivery failed.");
    168             }
    169             notifyObservers();
    170         }
    171     }
    172 
    173     @Override
    174     public int getType() {
    175         return SEND_TRANSACTION;
    176     }
    177 }
    178