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mirror of https://github.com/cwinfo/envayasms.git synced 2024-11-08 18:00:27 +00:00

use alarm to schedule retries; fix bug where sms notfications were dropped when multiple messages were sent at once

This commit is contained in:
Jesse Young 2011-09-13 00:14:35 -07:00
parent d29e7b2c58
commit e4cea3bae3
8 changed files with 160 additions and 77 deletions

View File

@ -35,6 +35,12 @@
<receiver android:name=".OutgoingMessagePoller">
</receiver>
<receiver android:name=".OutgoingMessageRetry">
</receiver>
<receiver android:name=".IncomingMessageRetry">
</receiver>
<receiver android:name=".BootReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />

View File

@ -10,16 +10,14 @@ import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.SystemClock;
import android.preference.PreferenceManager;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.http.HttpResponse;
import org.apache.http.message.BasicNameValuePair;
@ -44,7 +42,7 @@ public class App {
public Context context;
public SharedPreferences settings;
private class QueuedMessage<T>
private abstract class QueuedMessage<T>
{
public T sms;
public long nextAttemptTime = 0;
@ -52,46 +50,61 @@ public class App {
public boolean canAttemptNow()
{
return (nextAttemptTime > 0 && nextAttemptTime < System.currentTimeMillis());
return (nextAttemptTime > 0 && nextAttemptTime < SystemClock.elapsedRealtime());
}
public boolean scheduleNextAttempt()
{
long now = System.currentTimeMillis();
numAttempts++;
long now = SystemClock.elapsedRealtime();
numAttempts++;
int sec = 1000;
if (numAttempts == 1)
{
log("1st failure; retry in 1 minute");
nextAttemptTime = now + sec * 60; // 1 minute
return true;
}
else if (numAttempts == 2)
{
log("2nd failure; retry in 10 minutes");
nextAttemptTime = now + sec * 60 * 10; // 10 min
return true;
}
else if (numAttempts == 3)
{
log("3rd failure; retry in 1 hour");
nextAttemptTime = now + sec * 60 * 60; // 1 hour
return true;
}
else if (numAttempts == 4)
{
log("4th failure: retry in 1 day");
nextAttemptTime = now + sec * 60 * 60 * 24; // 1 day
return true;
}
else
if (numAttempts > 4)
{
log("5th failure: giving up");
return false;
}
int second = 1000;
int minute = second * 60;
if (numAttempts == 1)
{
log("1st failure; retry in 1 minute");
nextAttemptTime = now + 1 * minute;
}
else if (numAttempts == 2)
{
log("2nd failure; retry in 10 minutes");
nextAttemptTime = now + 10 * minute;
}
else if (numAttempts == 3)
{
log("3rd failure; retry in 1 hour");
nextAttemptTime = now + 60 * minute;
}
else
{
log("4th failure: retry in 1 day");
nextAttemptTime = now + 24 * 60 * minute;
}
AlarmManager alarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
0,
getAttemptIntent(),
0);
alarm.set(
AlarmManager.ELAPSED_REALTIME_WAKEUP,
nextAttemptTime,
pendingIntent);
return true;
}
public abstract void attemptNow();
protected abstract Intent getAttemptIntent();
}
private class QueuedIncomingSms extends QueuedMessage<SmsMessage> {
@ -99,15 +112,42 @@ public class App {
{
this.sms = sms;
}
}
public void attemptNow()
{
log("Retrying forwarding SMS from " + sms.getOriginatingAddress());
trySendMessageToServer(sms);
}
protected Intent getAttemptIntent()
{
Intent intent = new Intent(context, IncomingMessageRetry.class);
intent.setData(Uri.parse("kalsms://incoming/" + getSmsId(sms)));
return intent;
}
}
private class QueuedOutgoingSms extends QueuedMessage<OutgoingSmsMessage> {
public QueuedOutgoingSms(OutgoingSmsMessage sms)
{
this.sms = sms;
}
public void attemptNow()
{
log("Retrying sending " +sms.getLogName() + " to " + sms.getTo());
trySendSMS(sms);
}
protected Intent getAttemptIntent()
{
Intent intent = new Intent(context, OutgoingMessageRetry.class);
intent.setData(Uri.parse("kalsms://outgoing/" + sms.getId()));
log("id=" + sms.getId());
return intent;
}
}
protected App(Context context)
{
this.context = context;
@ -134,7 +174,7 @@ public class App {
Intent broadcast = new Intent(App.LOG_INTENT);
broadcast.putExtra("message", msg);
context.sendBroadcast(broadcast);
context.sendBroadcast(broadcast);
}
public void checkOutgoingMessages()
@ -160,7 +200,7 @@ public class App {
PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
0,
new Intent(context, OutgoingMessagePoller.class),
0);
0);
alarm.cancel(pendingIntent);
@ -172,7 +212,7 @@ public class App {
AlarmManager.ELAPSED_REALTIME_WAKEUP,
SystemClock.elapsedRealtime(),
pollSeconds * 1000,
pendingIntent);
pendingIntent);
log("Checking for outgoing messages every " + pollSeconds + " sec");
}
else
@ -282,10 +322,10 @@ public class App {
}
}
public synchronized void retryStuckMessages(boolean retryAll)
public synchronized void retryStuckMessages()
{
retryStuckOutgoingMessages(retryAll);
retryStuckIncomingMessages(retryAll);
retryStuckOutgoingMessages();
retryStuckIncomingMessages();
}
public synchronized int getStuckMessageCount()
@ -293,36 +333,19 @@ public class App {
return outgoingSmsMap.size() + incomingSmsMap.size();
}
public synchronized void retryStuckOutgoingMessages(boolean retryAll)
public synchronized void retryStuckOutgoingMessages()
{
for (Entry<String, QueuedOutgoingSms> entry : outgoingSmsMap.entrySet())
for (QueuedOutgoingSms queuedSms : outgoingSmsMap.values())
{
QueuedOutgoingSms queuedSms = entry.getValue();
if (retryAll || queuedSms.canAttemptNow())
{
queuedSms.nextAttemptTime = 0;
log("Retrying sending " +queuedSms.sms.getLogName()
+ " to " + queuedSms.sms.getTo());
trySendSMS(queuedSms.sms);
}
queuedSms.attemptNow();
}
}
public synchronized void retryStuckIncomingMessages(boolean retryAll)
public synchronized void retryStuckIncomingMessages()
{
for (Entry<String, QueuedIncomingSms> entry : incomingSmsMap.entrySet())
for (QueuedIncomingSms queuedSms : incomingSmsMap.values())
{
QueuedIncomingSms queuedSms = entry.getValue();
if (retryAll || queuedSms.canAttemptNow())
{
queuedSms.nextAttemptTime = 0;
log("Retrying forwarding SMS from " + queuedSms.sms.getOriginatingAddress());
trySendMessageToServer(queuedSms.sms);
}
queuedSms.attemptNow();
}
}
@ -395,7 +418,7 @@ public class App {
SmsManager smgr = SmsManager.getDefault();
Intent intent = new Intent(context, MessageStatusNotifier.class);
intent.putExtra("id", sms.getId());
intent.setData(Uri.parse("kalsms://outgoing/" + sms.getId()));
PendingIntent sentIntent = PendingIntent.getBroadcast(
this.context,
@ -503,4 +526,23 @@ public class App {
}
}
}
public synchronized void retryIncomingMessage(String id)
{
QueuedIncomingSms queuedSms = incomingSmsMap.get(id);
if (queuedSms != null)
{
queuedSms.attemptNow();
}
}
public synchronized void retryOutgoingMessage(String id)
{
QueuedOutgoingSms queuedSms = outgoingSmsMap.get(id);
if (queuedSms != null)
{
queuedSms.attemptNow();
}
}
}

View File

@ -5,9 +5,7 @@ import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.SmsMessage;
import org.apache.http.HttpResponse;
import org.apache.http.message.BasicNameValuePair;
public class IncomingMessageForwarder extends BroadcastReceiver {

View File

@ -0,0 +1,16 @@
package org.envaya.kalsms;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class IncomingMessageRetry extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
App app = App.getInstance(context.getApplicationContext());
app.retryIncomingMessage(intent.getData().getLastPathSegment());
}
}

View File

@ -131,7 +131,7 @@ public class Main extends Activity {
app.checkOutgoingMessages();
return true;
case R.id.retry_now:
app.retryStuckMessages(true);
app.retryStuckMessages();
return true;
case R.id.help:
startActivity(new Intent(this, Help.class));

View File

@ -15,10 +15,18 @@ public class MessageStatusNotifier extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
App app = App.getInstance(context.getApplicationContext());
String id = intent.getExtras().getString("id");
String id = intent.getData().getLastPathSegment();
int resultCode = getResultCode();
// uncomment to test retry on outgoing message failure
/*
if (Math.random() > 0.4)
{
resultCode = SmsManager.RESULT_ERROR_NO_SERVICE;
}
*/
app.notifyOutgoingMessageStatus(id, resultCode);
}
}

View File

@ -6,12 +6,9 @@ import android.content.Intent;
public class OutgoingMessagePoller extends BroadcastReceiver {
private App app;
@Override
public void onReceive(Context context, Intent intent) {
app = App.getInstance(context.getApplicationContext());
app.checkOutgoingMessages();
app.retryStuckMessages(false);
App app = App.getInstance(context.getApplicationContext());
app.checkOutgoingMessages();
}
}

View File

@ -0,0 +1,16 @@
package org.envaya.kalsms;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class OutgoingMessageRetry extends BroadcastReceiver
{
@Override
public void onReceive(Context context, Intent intent)
{
App app = App.getInstance(context.getApplicationContext());
app.retryOutgoingMessage(intent.getData().getLastPathSegment());
}
}