Parse digipeated own packets differently. Fix #62

This patch adds two related aspects:

 * Incoming packets from own callsign are not parsed (i.e. not added to
   the position table / not checked for messages) - fixing #62
 * Digipeated packets can get their own notification - probably useful

res/values/strings.xml

@@ -275,6 +275,11 @@
 <string name="p_pos">Own Position Reports</string>
 <string name="p_pos_ring">Ringtone</string>
 <string name="p_pos_ring_summary">Tone for sent position reports</string>
+<string name="p_dgp">Digipeated Own Packets</string>
+<string name="p_dgp_ring">Ringtone</string>
+<string name="p_dgp_ring_summary">Tone for digipeated packets</string>
+
+<string name="got_digipeated">Digipeated by %s</string>
 
 <!-- AFSK settings -->
 <string name="p_aprs_path">APRS digi path</string>

res/xml/preferences.xml

@@ -196,6 +196,33 @@
 		android:showSilent="true"
 		/>
     </PreferenceCategory>
+    <!-- digipeated position reports -->
+    <PreferenceCategory
+	android:title="@string/p_dgp">
+
+	<CheckBoxPreference
+		android:key="dgp_notify_led"
+		android:title="@string/p_msg_led"
+		android:summaryOn="@string/p_msg_led_on"
+		android:summaryOff="@string/p_msg_led_off"
+		android:defaultValue="false"
+		/>
+	<CheckBoxPreference
+		android:key="dgp_notify_vibr"
+		android:title="@string/p_msg_vibr"
+		android:summaryOn="@string/p_msg_vibr_on"
+		android:summaryOff="@string/p_msg_vibr_off"
+		android:defaultValue="false"
+		/>
+	<RingtonePreference
+		android:key="dgp_notify_ringtone"
+		android:title="@string/p_dgp_ring"
+		android:summary="@string/p_dgp_ring_summary"
+		android:ringtoneType="notification"
+		android:showDefault="true"
+		android:showSilent="true"
+		/>
+    </PreferenceCategory>
     </PreferenceScreen>
     </PreferenceCategory>
 

src/AprsService.scala

@@ -199,7 +199,7 @@ class AprsService extends Service {
 		}
 	}
 
-	def parsePacket(ts : Long, message : String) {
+	def parsePacket(ts : Long, message : String, source : Int) {
 		try {
 			var fap = Parser.parse(message)
 			if (fap.getType() == APRSTypes.T_THIRDPARTY) {
@@ -209,6 +209,15 @@ class AprsService extends Service {
 				fap = Parser.parse(inner.substring(1, inner.length()))
 			}
 
+			val callssid = prefs.getCallSsid()
+			if (source == StorageDatabase.Post.TYPE_INCMG &&
+			    fap.getSourceCall().equalsIgnoreCase(callssid)) {
+				Log.i(TAG, "got digipeated own packet")
+				val message = getString(R.string.got_digipeated, fap.getLastUsedDigi())
+				ServiceNotifier.instance.notifyPosition(this, prefs, message, "dgp_")
+				return
+			}
+
 			if (fap.getAprsInformation() == null) {
 				Log.d(TAG, "parsePacket() misses payload: " + message)
 				return
@@ -231,7 +240,7 @@ class AprsService extends Service {
 		val ts = System.currentTimeMillis()
 		db.addPost(ts, t, status, message)
 		if (t == StorageDatabase.Post.TYPE_POST || t == StorageDatabase.Post.TYPE_INCMG) {
-			parsePacket(ts, message)
+			parsePacket(ts, message, t)
 		} else {
 			// only log status messages
 			Log.d(TAG, "addPost: " + status + " - " + message)

src/MessageService.scala

@@ -26,10 +26,6 @@ class MessageService(s : AprsService) {
 
 	def handleMessage(ts : Long, ap : APRSPacket, msg : MessagePacket) {
 		val callssid = s.prefs.getCallSsid()
-		if (ap.getSourceCall().equalsIgnoreCase(callssid)) {
-			Log.i(TAG, "ignoring own digipeated message")
-			return
-		}
 		if (msg.getTargetCallsign().equalsIgnoreCase(callssid)) {
 			if (msg.isAck() || msg.isRej()) {
 				val new_type = if (msg.isAck())

src/ServiceNotifier.scala

@@ -90,9 +90,9 @@ abstract class ServiceNotifier {
 	}
 
 	def notifyPosition(ctx : Service, prefs : PrefsWrapper,
-			status : String) {
+			status : String, prefix : String = "pos_") {
 		val n = newNotification(ctx, status)
-		setupNotification(n, ctx, prefs, false, "pos_")
+		setupNotification(n, ctx, prefs, false, prefix)
 		getNotificationMgr(ctx).notify(SERVICE_NOTIFICATION, n)
 	}
 }