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Code Releases Activity

keep messages waiting to be sent in memory; if forwarding fails (in either direction), retry a few times (1m, 10m, 1h, 1d) before giving up; add menu button to retry sending now

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This commit is contained in:
Jesse Young
2011-09-12 22:03:25 -07:00
parent 307f354deb
commit 2911111490
14 changed files with 373 additions and 241 deletions
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359
src/org/envaya/kalsms/App.java
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@ -4,25 +4,24 @@
*/
package org.envaya.kalsms;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
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.client.HttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
public class App {
@ -34,21 +33,87 @@ public class App {
public static final String STATUS_FAILED = "failed";
public static final String STATUS_SENT = "sent";
public static final String LOG_NAME = "KALSMS";
public static final String LOG_NAME = "KALSMS";
public static final String LOG_INTENT = "org.envaya.kalsms.LOG";
public static final String SEND_STATUS_INTENT = "org.envaya.kalsms.SEND_STATUS";
private static App app;
private Map<String, QueuedIncomingSms> incomingSmsMap = new HashMap<String, QueuedIncomingSms>();
private Map<String, QueuedOutgoingSms> outgoingSmsMap = new HashMap<String, QueuedOutgoingSms>();
public Context context;
public SharedPreferences settings;
private class QueuedMessage<T>
{
public T sms;
public long nextAttemptTime = 0;
public int numAttempts = 0;
public boolean canAttemptNow()
{
return (nextAttemptTime > 0 && nextAttemptTime < System.currentTimeMillis());
}
public boolean scheduleNextAttempt()
{
long now = System.currentTimeMillis();
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
{
log("5th failure: giving up");
return false;
}
}
}
private class QueuedIncomingSms extends QueuedMessage<SmsMessage> {
public QueuedIncomingSms(SmsMessage sms)
{
this.sms = sms;
}
}
private class QueuedOutgoingSms extends QueuedMessage<OutgoingSmsMessage> {
public QueuedOutgoingSms(OutgoingSmsMessage sms)
{
this.sms = sms;
}
}
protected App(Context context)
{
this.context = context;
this.settings = PreferenceManager.getDefaultSharedPreferences(context);
}
private static App app;
public static App getInstance(Context context)
{
if (app == null)
@ -58,7 +123,7 @@ public class App {
return app;
}
static void debug(String msg)
public void debug(String msg)
{
Log.d(LOG_NAME, msg);
}
@ -174,60 +239,166 @@ public class App {
public String getPassword()
{
return settings.getString("password", "");
}
public SQLiteDatabase getWritableDatabase()
}
private void notifyStatus(OutgoingSmsMessage sms, String status, String errorMessage)
{
return new DBHelper(context).getWritableDatabase();
}
public HttpClient getHttpClient()
{
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, 8000);
HttpConnectionParams.setSoTimeout(httpParameters, 8000);
return new DefaultHttpClient(httpParameters);
}
public void sendSMS(OutgoingSmsMessage sms)
{
String serverId = sms.getServerId();
if (serverId != null)
String logMessage;
if (status.equals(App.STATUS_SENT))
{
SQLiteDatabase db = this.getWritableDatabase();
Cursor cursor =
db.rawQuery("select 1 from sms_status where server_id=?", new String[] { serverId });
logMessage = "sent successfully";
}
else if (status.equals(App.STATUS_FAILED))
{
logMessage = "could not be sent (" + errorMessage + ")";
}
else
{
logMessage = "queued";
}
String smsDesc = sms.getLogName();
boolean exists = (cursor.getCount() > 0);
cursor.close();
if (exists)
{
log(sms.getLogName() + " already sent, skipping");
return;
}
ContentValues values = new ContentValues();
values.put("server_id", serverId);
values.put("status", App.STATUS_QUEUED);
db.insert("sms_status", null, values);
db.close();
}
if (serverId != null)
{
app.log("Notifying server " + smsDesc + " " + logMessage);
new HttpTask(app).execute(
new BasicNameValuePair("id", serverId),
new BasicNameValuePair("status", status),
new BasicNameValuePair("error", errorMessage),
new BasicNameValuePair("action", App.ACTION_SEND_STATUS)
);
}
else
{
app.log(smsDesc + " " + logMessage);
}
}
public synchronized void retryStuckMessages(boolean retryAll)
{
retryStuckOutgoingMessages(retryAll);
retryStuckIncomingMessages(retryAll);
}
public synchronized int getStuckMessageCount()
{
return outgoingSmsMap.size() + incomingSmsMap.size();
}
public synchronized void retryStuckOutgoingMessages(boolean retryAll)
{
for (Entry<String, QueuedOutgoingSms> entry : outgoingSmsMap.entrySet())
{
QueuedOutgoingSms queuedSms = entry.getValue();
if (retryAll || queuedSms.canAttemptNow())
{
queuedSms.nextAttemptTime = 0;
log("Retrying sending " +queuedSms.sms.getLogName()
+ " to " + queuedSms.sms.getTo());
trySendSMS(queuedSms.sms);
}
}
}
public synchronized void retryStuckIncomingMessages(boolean retryAll)
{
for (Entry<String, QueuedIncomingSms> entry : incomingSmsMap.entrySet())
{
QueuedIncomingSms queuedSms = entry.getValue();
if (retryAll || queuedSms.canAttemptNow())
{
queuedSms.nextAttemptTime = 0;
log("Retrying forwarding SMS from " + queuedSms.sms.getOriginatingAddress());
trySendMessageToServer(queuedSms.sms);
}
}
}
public synchronized void notifyOutgoingMessageStatus(String id, int resultCode)
{
QueuedOutgoingSms queuedSms = outgoingSmsMap.get(id);
if (queuedSms == null)
{
return;
}
OutgoingSmsMessage sms = queuedSms.sms;
switch (resultCode) {
case Activity.RESULT_OK:
this.notifyStatus(sms, App.STATUS_SENT, "");
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
this.notifyStatus(sms, App.STATUS_FAILED, "generic failure");
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
this.notifyStatus(sms, App.STATUS_FAILED, "radio off");
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
this.notifyStatus(sms, App.STATUS_FAILED, "no service");
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
this.notifyStatus(sms, App.STATUS_FAILED, "null PDU");
break;
default:
this.notifyStatus(sms, App.STATUS_FAILED, "unknown error");
break;
}
switch (resultCode) {
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
case SmsManager.RESULT_ERROR_RADIO_OFF:
case SmsManager.RESULT_ERROR_NO_SERVICE:
if (!queuedSms.scheduleNextAttempt())
{
outgoingSmsMap.remove(id);
}
break;
default:
outgoingSmsMap.remove(id);
break;
}
}
public synchronized void sendSMS(OutgoingSmsMessage sms)
{
String id = sms.getId();
if (outgoingSmsMap.containsKey(id))
{
log(sms.getLogName() + " already sent, skipping");
return;
}
QueuedOutgoingSms queueEntry = new QueuedOutgoingSms(sms);
outgoingSmsMap.put(id, queueEntry);
log("Sending " +sms.getLogName() + " to " + sms.getTo());
trySendSMS(sms);
}
private void trySendSMS(OutgoingSmsMessage sms)
{
SmsManager smgr = SmsManager.getDefault();
Intent intent = new Intent(App.SEND_STATUS_INTENT);
intent.putExtra("serverId", serverId);
Intent intent = new Intent(context, MessageStatusNotifier.class);
intent.putExtra("id", sms.getId());
PendingIntent sentIntent = PendingIntent.getBroadcast(
this.context,
0,
intent,
PendingIntent.FLAG_ONE_SHOT);
log("Sending " +sms.getLogName() + " to " + sms.getTo());
smgr.sendTextMessage(sms.getTo(), null, sms.getMessage(), sentIntent, null);
smgr.sendTextMessage(sms.getTo(), null, sms.getMessage(), sentIntent, null);
}
private class PollerTask extends HttpTask {
@ -245,4 +416,86 @@ public class App {
}
}
private class ForwarderTask extends HttpTask {
private SmsMessage originalSms;
public ForwarderTask(SmsMessage originalSms) {
super(app);
this.originalSms = originalSms;
}
@Override
protected String getDefaultToAddress()
{
return originalSms.getOriginatingAddress();
}
@Override
protected void handleResponse(HttpResponse response) throws Exception {
for (OutgoingSmsMessage reply : parseResponseXML(response)) {
app.sendSMS(reply);
}
app.notifyIncomingMessageStatus(originalSms, true);
}
@Override
protected void handleFailure()
{
app.notifyIncomingMessageStatus(originalSms, false);
}
}
private String getSmsId(SmsMessage sms)
{
return sms.getOriginatingAddress() + ":" + sms.getMessageBody() + ":" + sms.getTimestampMillis();
}
public synchronized void sendMessageToServer(SmsMessage sms)
{
String id = getSmsId(sms);
if (incomingSmsMap.containsKey(id))
{
log("Duplicate incoming SMS, skipping");
return;
}
QueuedIncomingSms queuedSms = new QueuedIncomingSms(sms);
incomingSmsMap.put(id, queuedSms);
app.log("Received SMS from " + sms.getOriginatingAddress());
trySendMessageToServer(sms);
}
public void trySendMessageToServer(SmsMessage sms)
{
String message = sms.getMessageBody();
String sender = sms.getOriginatingAddress();
new ForwarderTask(sms).execute(
new BasicNameValuePair("from", sender),
new BasicNameValuePair("message", message),
new BasicNameValuePair("action", App.ACTION_INCOMING)
);
}
private synchronized void notifyIncomingMessageStatus(SmsMessage sms, boolean success)
{
String id = getSmsId(sms);
QueuedIncomingSms queuedSms = incomingSmsMap.get(id);
if (queuedSms != null)
{
if (success || !queuedSms.scheduleNextAttempt())
{
incomingSmsMap.remove(id);
}
}
}
}