split tcp filter into distance and custom filter

res/values/strings.xml

@@ -138,11 +138,13 @@
 
 <!-- TCP server settings -->
 <string name="p_tcp_server_summary">APRS-IS TCP server (port 14580) to contact</string>
+<string name="p_filterdist">Neighbor radius</string>
+<string name="p_filterdist_summary">Receive packets from stations in this radius</string>
+<string name="p_filterdist_entry">Radius around you to monitor for packets [km]</string>
 <string name="p_filter">Message filter</string>
-<string name="p_filter_hint">m/10 b/DO1GL*</string>
-<string name="p_filter_default">m/10</string>
+<string name="p_filter_hint">b/BUDDY o/OBJECT ...</string>
 <string name="p_filter_summary">Filter for incoming packets</string>
-<string name="p_filter_entry">Enter a filter for incoming messages ("m/10" filters 10km around own position)</string>
+<string name="p_filter_entry">Enter a filter for incoming messages</string>
 
 <string name="p_filterhelp">Message filter help</string>
 <string name="p_filterhelp_summary">Online reference for APRS-IS filters</string>

res/xml/pref_tcp.xml

@@ -14,12 +14,19 @@
 		android:defaultValue="euro.aprs2.net"
 		android:dialogTitle="@string/p_host_entry" />
 
+	<EditTextPreference
+		android:key="tcp.filterdist"
+		android:inputType="number"
+		android:title="@string/p_filterdist"
+		android:summary="@string/p_filterdist_summary"
+		android:defaultValue="10"
+		android:dialogTitle="@string/p_filterdist_entry" />
+
         <EditTextPreference
                 android:key="tcp.filter"
 		android:title="@string/p_filter"
 		android:summary="@string/p_filter_summary"
 		android:hint="@string/p_filter_hint"
-		android:defaultValue="@string/p_filter_default"
 		android:dialogTitle="@string/p_filter_entry" />
 
 	<Preference

src/backend/TcpUploader.scala

@@ -11,17 +11,24 @@ import _root_.java.net.{InetAddress, Socket}
 class TcpUploader(service : AprsService, prefs : SharedPreferences) extends AprsIsUploader(prefs) {
 	val TAG = "TcpUploader"
 	val hostname = prefs.getString("tcp.server", "euro.aprs2.net")
-	val filterdist = prefs.getString("tcp.filter", "m/10")
-	val lastloc = AprsPacket.formatRangeFilter(
-		service.locMan.getLastKnownLocation(LocationManager.GPS_PROVIDER), 10)
-	val filter = " filter %s %s".format(filterdist, lastloc)
+	val filter = setupFilter()
 	var conn : TcpSocketThread = null
+	Log.d(TAG, "TcpUploader.filter: " + filter)
 
 	createConnection()
 
 	def start() {
 	}
 
+	def setupFilter() : String = {
+		val filterdist = try { prefs.getString("tcp.filterdist", "10").trim.toInt } catch { case _ => 0 }
+		val userfilter = prefs.getString("tcp.filter", "")
+		val lastloc = AprsPacket.formatRangeFilter(
+			service.locMan.getLastKnownLocation(LocationManager.GPS_PROVIDER), filterdist)
+		if (filterdist == 0) return " filter %s %s".format(userfilter, lastloc)
+				else return " filter m/%d %s %s".format(filterdist, userfilter, lastloc)
+	}
+
 	def createConnection() {
 		val (host, port) = AprsPacket.parseHostPort(hostname, 14580)
 		Log.d(TAG, "TcpUploader.createConnection: " + host + ":" + port)