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/*
* Copyright (C) 2007-2008 Esmertec AG.
* Copyright (C) 2007-2008 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 com.android.mms.transaction;
import java.util.Arrays;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SqliteWrapper;
import android.net.Uri;
import android.provider.Telephony.Mms;
import android.provider.Telephony.Mms.Sent;
import android.text.TextUtils;
import android.util.Log;
import com.android.mms.LogTag;
import com.android.mms.ui.MessageUtils;
import com.android.mms.util.RateController;
import com.android.mms.util.SendingProgressTokenManager;
import com.google.android.mms.pdu.EncodedStringValue;
import com.google.android.mms.pdu.PduComposer;
import com.google.android.mms.pdu.PduHeaders;
import com.google.android.mms.pdu.PduParser;
import com.google.android.mms.pdu.PduPersister;
import com.google.android.mms.pdu.SendConf;
import com.google.android.mms.pdu.SendReq;
/**
* The SendTransaction is responsible for sending multimedia messages
* (M-Send.req) to the MMSC server. It:
*
* <ul>
* <li>Loads the multimedia message from storage (Outbox).
* <li>Packs M-Send.req and sends it.
* <li>Retrieves confirmation data from the server (M-Send.conf).
* <li>Parses confirmation message and handles it.
* <li>Moves sent multimedia message from Outbox to Sent.
* <li>Notifies the TransactionService about successful completion.
* </ul>
*/
public class SendTransaction extends Transaction implements Runnable {
private static final String TAG = LogTag.TAG;
private Thread mThread;
public final Uri mSendReqURI;
public SendTransaction(Context context,
int transId, TransactionSettings connectionSettings, String uri) {
super(context, transId, connectionSettings);
mSendReqURI = Uri.parse(uri);
mId = uri;
// Attach the transaction to the instance of RetryScheduler.
attach(RetryScheduler.getInstance(context));
}
/*
* (non-Javadoc)
* @see com.android.mms.Transaction#process()
*/
@Override
public void process() {
mThread = new Thread(this, "SendTransaction");
mThread.start();
}
public void run() {
try {
RateController rateCtlr = RateController.getInstance();
if (rateCtlr.isLimitSurpassed() && !rateCtlr.isAllowedByUser()) {
Log.e(TAG, "Sending rate limit surpassed.");
return;
}
// Load M-Send.req from outbox
PduPersister persister = PduPersister.getPduPersister(mContext);
SendReq sendReq = (SendReq) persister.load(mSendReqURI);
// Update the 'date' field of the PDU right before sending it.
long date = System.currentTimeMillis() / 1000L;
sendReq.setDate(date);
// Persist the new date value into database.
ContentValues values = new ContentValues(1);
values.put(Mms.DATE, date);
SqliteWrapper.update(mContext, mContext.getContentResolver(),
mSendReqURI, values, null, null);
// fix bug 2100169: insert the 'from' address per spec
String lineNumber = MessageUtils.getLocalNumber();
if (!TextUtils.isEmpty(lineNumber)) {
sendReq.setFrom(new EncodedStringValue(lineNumber));
}
// Pack M-Send.req, send it, retrieve confirmation data, and parse it
long tokenKey = ContentUris.parseId(mSendReqURI);
byte[] response = sendPdu(SendingProgressTokenManager.get(tokenKey),
new PduComposer(mContext, sendReq).make());
SendingProgressTokenManager.remove(tokenKey);
if (Log.isLoggable(LogTag.TRANSACTION, Log.VERBOSE)) {
String respStr = new String(response);
Log.d(TAG, "[SendTransaction] run: send mms msg (" + mId + "), resp=" + respStr);
}
SendConf conf = (SendConf) new PduParser(response).parse();
if (conf == null) {
Log.e(TAG, "No M-Send.conf received.");
}
// Check whether the responding Transaction-ID is consistent
// with the sent one.
byte[] reqId = sendReq.getTransactionId();
byte[] confId = conf.getTransactionId();
if (!Arrays.equals(reqId, confId)) {
Log.e(TAG, "Inconsistent Transaction-ID: req="
+ new String(reqId) + ", conf=" + new String(confId));
return;
}
// From now on, we won't save the whole M-Send.conf into
// our database. Instead, we just save some interesting fields
// into the related M-Send.req.
values = new ContentValues(2);
int respStatus = conf.getResponseStatus();
values.put(Mms.RESPONSE_STATUS, respStatus);
if (respStatus != PduHeaders.RESPONSE_STATUS_OK) {
SqliteWrapper.update(mContext, mContext.getContentResolver(),
mSendReqURI, values, null, null);
Log.e(TAG, "Server returned an error code: " + respStatus);
return;
}
String messageId = PduPersister.toIsoString(conf.getMessageId());
values.put(Mms.MESSAGE_ID, messageId);
SqliteWrapper.update(mContext, mContext.getContentResolver(),
mSendReqURI, values, null, null);
// Move M-Send.req from Outbox into Sent.
Uri uri = persister.move(mSendReqURI, Sent.CONTENT_URI);
mTransactionState.setState(TransactionState.SUCCESS);
mTransactionState.setContentUri(uri);
} catch (Throwable t) {
Log.e(TAG, Log.getStackTraceString(t));
} finally {
if (mTransactionState.getState() != TransactionState.SUCCESS) {
mTransactionState.setState(TransactionState.FAILED);
mTransactionState.setContentUri(mSendReqURI);
Log.e(TAG, "Delivery failed.");
}
notifyObservers();
}
}
@Override
public int getType() {
return SEND_TRANSACTION;
}
}
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