GsmSMSDispatcher.java revision 8d8e8f45200d17b78d196d8cba389fd9c547ac11 
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.gsm;
18
19import android.app.Activity;
20import android.app.AppOpsManager;
21import android.app.PendingIntent;
22import android.app.PendingIntent.CanceledException;
23import android.content.BroadcastReceiver;
24import android.content.ComponentName;
25import android.content.Context;
26import android.content.Intent;
27import android.os.AsyncResult;
28import android.os.Message;
29import android.provider.Telephony.Sms;
30import android.provider.Telephony.Sms.Intents;
31import android.telephony.Rlog;
32
33import com.android.internal.telephony.GsmAlphabet;
34import com.android.internal.telephony.ImsSMSDispatcher;
35import com.android.internal.telephony.InboundSmsHandler;
36import com.android.internal.telephony.PhoneBase;
37import com.android.internal.telephony.SMSDispatcher;
38import com.android.internal.telephony.SmsConstants;
39import com.android.internal.telephony.SmsHeader;
40import com.android.internal.telephony.SmsStorageMonitor;
41import com.android.internal.telephony.SmsUsageMonitor;
42import com.android.internal.telephony.TelephonyProperties;
43import com.android.internal.telephony.uicc.IccRecords;
44import com.android.internal.telephony.uicc.IccUtils;
45import com.android.internal.telephony.uicc.UiccCardApplication;
46import com.android.internal.telephony.uicc.UiccController;
47import com.android.internal.telephony.uicc.UsimServiceTable;
48import com.android.internal.telephony.gsm.GsmInboundSmsHandler;
49
50import java.util.HashMap;
51import java.util.Iterator;
52import java.util.concurrent.atomic.AtomicReference;
53
54public final class GsmSMSDispatcher extends SMSDispatcher {
55    private static final String TAG = "GsmSMSDispatcher";
56    private static final boolean VDBG = false;
57    protected UiccController mUiccController = null;
58    private AtomicReference<IccRecords> mIccRecords = new AtomicReference<IccRecords>();
59    private AtomicReference<UiccCardApplication> mUiccApplication =
60            new AtomicReference<UiccCardApplication>();
61    private GsmInboundSmsHandler mGsmInboundSmsHandler;
62
63    /** Status report received */
64    private static final int EVENT_NEW_SMS_STATUS_REPORT = 100;
65
66    public GsmSMSDispatcher(PhoneBase phone, SmsUsageMonitor usageMonitor,
67            ImsSMSDispatcher imsSMSDispatcher,
68            GsmInboundSmsHandler gsmInboundSmsHandler) {
69        super(phone, usageMonitor, imsSMSDispatcher);
70        mCi.setOnSmsStatus(this, EVENT_NEW_SMS_STATUS_REPORT, null);
71        mGsmInboundSmsHandler = gsmInboundSmsHandler;
72        mUiccController = UiccController.getInstance();
73        mUiccController.registerForIccChanged(this, EVENT_ICC_CHANGED, null);
74        Rlog.d(TAG, "GsmSMSDispatcher created");
75    }
76
77    @Override
78    public void dispose() {
79        super.dispose();
80        mCi.unSetOnSmsStatus(this);
81        mUiccController.unregisterForIccChanged(this);
82    }
83
84    @Override
85    protected String getFormat() {
86        return SmsConstants.FORMAT_3GPP;
87    }
88
89    /**
90     * Handles 3GPP format-specific events coming from the phone stack.
91     * Other events are handled by {@link SMSDispatcher#handleMessage}.
92     *
93     * @param msg the message to handle
94     */
95    @Override
96    public void handleMessage(Message msg) {
97        switch (msg.what) {
98        case EVENT_NEW_SMS_STATUS_REPORT:
99            handleStatusReport((AsyncResult) msg.obj);
100            break;
101
102        case EVENT_NEW_ICC_SMS:
103        // pass to InboundSmsHandler to process
104        mGsmInboundSmsHandler.sendMessage(InboundSmsHandler.EVENT_NEW_SMS, msg.obj);
105        break;
106
107        case EVENT_ICC_CHANGED:
108            onUpdateIccAvailability();
109            break;
110
111        default:
112            super.handleMessage(msg);
113        }
114    }
115
116    /**
117     * Called when a status report is received.  This should correspond to
118     * a previously successful SEND.
119     *
120     * @param ar AsyncResult passed into the message handler.  ar.result should
121     *           be a String representing the status report PDU, as ASCII hex.
122     */
123    private void handleStatusReport(AsyncResult ar) {
124        String pduString = (String) ar.result;
125        SmsMessage sms = SmsMessage.newFromCDS(pduString);
126
127        if (sms != null) {
128            int tpStatus = sms.getStatus();
129            int messageRef = sms.mMessageRef;
130            for (int i = 0, count = deliveryPendingList.size(); i < count; i++) {
131                SmsTracker tracker = deliveryPendingList.get(i);
132                if (tracker.mMessageRef == messageRef) {
133                    // Found it.  Remove from list and broadcast.
134                    if(tpStatus >= Sms.STATUS_FAILED || tpStatus < Sms.STATUS_PENDING ) {
135                       deliveryPendingList.remove(i);
136                       // Update the message status (COMPLETE or FAILED)
137                       tracker.updateSentMessageStatus(mContext, tpStatus);
138                    }
139                    PendingIntent intent = tracker.mDeliveryIntent;
140                    Intent fillIn = new Intent();
141                    fillIn.putExtra("pdu", IccUtils.hexStringToBytes(pduString));
142                    fillIn.putExtra("format", getFormat());
143                    try {
144                        intent.send(mContext, Activity.RESULT_OK, fillIn);
145                    } catch (CanceledException ex) {}
146
147                    // Only expect to see one tracker matching this messageref
148                    break;
149                }
150            }
151        }
152        mCi.acknowledgeLastIncomingGsmSms(true, Intents.RESULT_SMS_HANDLED, null);
153    }
154
155    /** {@inheritDoc} */
156    @Override
157    protected void sendData(String destAddr, String scAddr, int destPort,
158            byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent) {
159        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
160                scAddr, destAddr, destPort, data, (deliveryIntent != null));
161        if (pdu != null) {
162            HashMap map = getSmsTrackerMap(destAddr, scAddr, destPort, data, pdu);
163            SmsTracker tracker = getSmsTracker(map, sentIntent, deliveryIntent,
164                    getFormat());
165            sendRawPdu(tracker);
166        } else {
167            Rlog.e(TAG, "GsmSMSDispatcher.sendData(): getSubmitPdu() returned null");
168        }
169    }
170
171    /** {@inheritDoc} */
172    @Override
173    protected void sendText(String destAddr, String scAddr, String text,
174            PendingIntent sentIntent, PendingIntent deliveryIntent) {
175        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(
176                scAddr, destAddr, text, (deliveryIntent != null));
177        if (pdu != null) {
178            HashMap map = getSmsTrackerMap(destAddr, scAddr, text, pdu);
179            SmsTracker tracker = getSmsTracker(map, sentIntent, deliveryIntent,
180                    getFormat());
181            sendRawPdu(tracker);
182        } else {
183            Rlog.e(TAG, "GsmSMSDispatcher.sendText(): getSubmitPdu() returned null");
184        }
185    }
186
187    /** {@inheritDoc} */
188    @Override
189    protected GsmAlphabet.TextEncodingDetails calculateLength(CharSequence messageBody,
190            boolean use7bitOnly) {
191        return SmsMessage.calculateLength(messageBody, use7bitOnly);
192    }
193
194    /** {@inheritDoc} */
195    @Override
196    protected void sendNewSubmitPdu(String destinationAddress, String scAddress,
197            String message, SmsHeader smsHeader, int encoding,
198            PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart) {
199        SmsMessage.SubmitPdu pdu = SmsMessage.getSubmitPdu(scAddress, destinationAddress,
200                message, deliveryIntent != null, SmsHeader.toByteArray(smsHeader),
201                encoding, smsHeader.languageTable, smsHeader.languageShiftTable);
202        if (pdu != null) {
203            HashMap map =  getSmsTrackerMap(destinationAddress, scAddress,
204                    message, pdu);
205            SmsTracker tracker = getSmsTracker(map, sentIntent,
206                    deliveryIntent, getFormat());
207            sendRawPdu(tracker);
208        } else {
209            Rlog.e(TAG, "GsmSMSDispatcher.sendNewSubmitPdu(): getSubmitPdu() returned null");
210        }
211    }
212
213    /** {@inheritDoc} */
214    @Override
215    protected void sendSms(SmsTracker tracker) {
216        HashMap<String, Object> map = tracker.mData;
217
218        byte pdu[] = (byte[]) map.get("pdu");
219
220        if (tracker.mRetryCount > 0) {
221            Rlog.d(TAG, "sendSms: "
222                    + " mRetryCount=" + tracker.mRetryCount
223                    + " mMessageRef=" + tracker.mMessageRef
224                    + " SS=" + mPhone.getServiceState().getState());
225
226            // per TS 23.040 Section 9.2.3.6:  If TP-MTI SMS-SUBMIT (0x01) type
227            //   TP-RD (bit 2) is 1 for retry
228            //   and TP-MR is set to previously failed sms TP-MR
229            if (((0x01 & pdu[0]) == 0x01)) {
230                pdu[0] |= 0x04; // TP-RD
231                pdu[1] = (byte) tracker.mMessageRef; // TP-MR
232            }
233        }
234        Rlog.d(TAG, "sendSms: "
235                + " isIms()=" + isIms()
236                + " mRetryCount=" + tracker.mRetryCount
237                + " mImsRetry=" + tracker.mImsRetry
238                + " mMessageRef=" + tracker.mMessageRef
239                + " SS=" + mPhone.getServiceState().getState());
240
241        // FIX this once the carrier app and SIM restricted API is finalized.
242        // We should direct the intent to only the default carrier app.
243
244        // Send SMS via the carrier app.
245        BroadcastReceiver resultReceiver = new SMSDispatcherReceiver(tracker);
246
247        Intent intent = new Intent(Intents.SMS_SEND_ACTION);
248        intent.putExtra("pdu", pdu);
249        intent.putExtra("smsc", (byte[]) map.get("smsc"));
250        intent.putExtra("format", getFormat());
251        intent.addFlags(Intent.FLAG_RECEIVER_NO_ABORT);
252        Rlog.d(TAG, "Sending SMS by carrier app.");
253
254        mContext.sendOrderedBroadcast(intent, android.Manifest.permission.RECEIVE_SMS,
255                                      AppOpsManager.OP_RECEIVE_SMS, resultReceiver,
256                                      null, Activity.RESULT_CANCELED, null, null);
257    }
258
259    /** {@inheritDoc} */
260    @Override
261    protected void sendSmsByPstn(SmsTracker tracker) {
262        HashMap<String, Object> map = tracker.mData;
263
264        byte smsc[] = (byte[]) map.get("smsc");
265        byte[] pdu = (byte[]) map.get("pdu");
266        Message reply = obtainMessage(EVENT_SEND_SMS_COMPLETE, tracker);
267
268        // sms over gsm is used:
269        //   if sms over IMS is not supported AND
270        //   this is not a retry case after sms over IMS failed
271        //     indicated by mImsRetry > 0
272        if (0 == tracker.mImsRetry && !isIms()) {
273            if (tracker.mRetryCount > 0) {
274                // per TS 23.040 Section 9.2.3.6:  If TP-MTI SMS-SUBMIT (0x01) type
275                //   TP-RD (bit 2) is 1 for retry
276                //   and TP-MR is set to previously failed sms TP-MR
277                if (((0x01 & pdu[0]) == 0x01)) {
278                    pdu[0] |= 0x04; // TP-RD
279                    pdu[1] = (byte) tracker.mMessageRef; // TP-MR
280                }
281            }
282            mCi.sendSMS(IccUtils.bytesToHexString(smsc),
283                    IccUtils.bytesToHexString(pdu), reply);
284        } else {
285            mCi.sendImsGsmSms(IccUtils.bytesToHexString(smsc),
286                    IccUtils.bytesToHexString(pdu), tracker.mImsRetry,
287                    tracker.mMessageRef, reply);
288            // increment it here, so in case of SMS_FAIL_RETRY over IMS
289            // next retry will be sent using IMS request again.
290            tracker.mImsRetry++;
291        }
292    }
293
294    /** {@inheritDoc} */
295    @Override
296    protected void updateSmsSendStatus(int messageRef, boolean success) {
297        // This function should be defined in ImsDispatcher.
298        Rlog.e(TAG, "updateSmsSendStatus should never be called from here!");
299    }
300
301    protected UiccCardApplication getUiccCardApplication() {
302        return mUiccController.getUiccCardApplication(UiccController.APP_FAM_3GPP);
303    }
304
305    private void onUpdateIccAvailability() {
306        if (mUiccController == null ) {
307            return;
308        }
309
310        UiccCardApplication newUiccApplication = getUiccCardApplication();
311
312        UiccCardApplication app = mUiccApplication.get();
313        if (app != newUiccApplication) {
314            if (app != null) {
315                Rlog.d(TAG, "Removing stale icc objects.");
316                if (mIccRecords.get() != null) {
317                    mIccRecords.get().unregisterForNewSms(this);
318                }
319                mIccRecords.set(null);
320                mUiccApplication.set(null);
321            }
322            if (newUiccApplication != null) {
323                Rlog.d(TAG, "New Uicc application found");
324                mUiccApplication.set(newUiccApplication);
325                mIccRecords.set(newUiccApplication.getIccRecords());
326                if (mIccRecords.get() != null) {
327                    mIccRecords.get().registerForNewSms(this, EVENT_NEW_ICC_SMS, null);
328                }
329            }
330        }
331    }
332}
333