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Code Issues Releases Activity

AndroidGCS: After terminating the telemetry connection make sure to close the

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TCP socket or the android system will keep it active and block reconnections.
This commit is contained in:
James Cotton 2012-08-05 21:53:54 -05:00
parent 5670a958a8
commit e359b96b09
1 changed files with 39 additions and 6 deletions
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33
androidgcs/src/org/openpilot/androidgcs/OPTelemetryService.java
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@ -1,5 +1,6 @@
package org.openpilot.androidgcs; package org.openpilot.androidgcs;
import java.io.IOException;
import java.util.Observable; import java.util.Observable;
import java.util.Observer; import java.util.Observer;
@ -99,6 +100,7 @@ public class OPTelemetryService extends Service {
case MSG_DISCONNECT: case MSG_DISCONNECT:
Toast.makeText(getApplicationContext(), "Disconnect requested", Toast.LENGTH_SHORT).show(); Toast.makeText(getApplicationContext(), "Disconnect requested", Toast.LENGTH_SHORT).show();
terminate = true; terminate = true;
activeTelem.interrupt();
try { try {
activeTelem.join(); activeTelem.join();
} catch (InterruptedException e) { } catch (InterruptedException e) {
@ -123,6 +125,10 @@ public class OPTelemetryService extends Service {
} }
}; };
/**
* Called when the service starts. It creates a thread to handle messages (e.g. connect and disconnect)
* and based on the stored preference will send itself a connect signal if needed.
*/
public void startup() { public void startup() {
Toast.makeText(getApplicationContext(), "Telemetry service starting", Toast.LENGTH_SHORT).show(); Toast.makeText(getApplicationContext(), "Telemetry service starting", Toast.LENGTH_SHORT).show();
@ -193,6 +199,9 @@ public class OPTelemetryService extends Service {
mServiceHandler.sendMessage(msg); mServiceHandler.sendMessage(msg);
} }
/**
* This is used by other processes to get a handle to the object manager
*/
public interface TelemTask { public interface TelemTask {
public UAVObjectManager getObjectManager(); public UAVObjectManager getObjectManager();
}; };
@ -314,8 +323,14 @@ public class OPTelemetryService extends Service {
if (DEBUG) Log.d(TAG, "Entering UAVTalk processing loop"); if (DEBUG) Log.d(TAG, "Entering UAVTalk processing loop");
while( !terminate ) { while( !terminate ) {
try {
if( !uavTalk.processInputStream() ) if( !uavTalk.processInputStream() )
break; break;
} catch (IOException e) {
// This occurs when they communication stream fails
toastMessage("Connection dropped");
break;
}
} }
if (DEBUG) Log.d(TAG, "UAVTalk stream disconnected"); if (DEBUG) Log.d(TAG, "UAVTalk stream disconnected");
} }
@ -384,10 +399,28 @@ public class OPTelemetryService extends Service {
if (DEBUG) Log.d(TAG, "Entering UAVTalk processing loop"); if (DEBUG) Log.d(TAG, "Entering UAVTalk processing loop");
while( !terminate ) { while( !terminate ) {
try {
if( !uavTalk.processInputStream() ) if( !uavTalk.processInputStream() )
break; break;
} catch (IOException e) {
e.printStackTrace();
toastMessage("TCP Stream interrupted");
break;
} }
}
Looper.myLooper().quit();
// Shut down all the attached
mon.stopMonitor();
mon = null;
tel.stopTelemetry();
tel = null;
// Finally close the stream if it is still open
tcp.disconnect();
if (DEBUG) Log.d(TAG, "UAVTalk stream disconnected"); if (DEBUG) Log.d(TAG, "UAVTalk stream disconnected");
toastMessage("TCP Thread finished");
} }
}; };