Added method to check whether fdaq is running

ch.psi.fda.fdaq/src/main/java/ch/psi/fda/fdaq/FdaqService.java

@@ -44,6 +44,7 @@ public class FdaqService {
 	private static final Logger logger = Logger.getLogger(FdaqService.class.getName());
 
 	private volatile boolean stopAcquisition = false;
+	private volatile boolean running = false;
 
 	private final EventBus bus;
 	
@@ -71,7 +72,8 @@ public class FdaqService {
 	 * @param numberOfElements
 	 */
 	public void acquire() {
-
+		running = true; // potential threading problem
+		
 		Socket echoSocket = null;
 		DataOutputStream out = null;
 		DataInputStream in = null;
@@ -145,6 +147,8 @@ public class FdaqService {
 			} catch (IOException e) {
 				// Ignore because not relevant at this stage
 			}
+			
+			running = false;
 		}
 	}
 
@@ -172,4 +176,7 @@ public class FdaqService {
 		}
 	}
 
+	public boolean isRunning() {
+		return running;
+	}
 }