close connections on shutdown

core/src/main/groovy/com/muwire/core/Core.groovy

@@ -197,6 +197,10 @@ public class Core {
         hostCache.waitForLoad()
     }
     
+    public void shutdown() {
+        connectionManager.shutdown()
+    }
+
     static main(args) {
         def home = System.getProperty("user.home") + File.separator + ".MuWire"
         home = new File(home)

core/src/main/groovy/com/muwire/core/connection/Connection.groovy

@@ -82,7 +82,6 @@ abstract class Connection implements Closeable {
 				read()
 			}
 		} catch (SocketTimeoutException e) {
-			close()
         } catch (Exception e) {
             log.log(Level.WARNING,"unhandled exception in reader",e)
         } finally {

core/src/main/groovy/com/muwire/core/connection/ConnectionManager.groovy

@@ -59,6 +59,8 @@ abstract class ConnectionManager {
 	
 	abstract void onDisconnectionEvent(DisconnectionEvent e)
     
+    abstract void shutdown()
+	
 	protected void sendPings() {
 		final long now = System.currentTimeMillis()
 		getConnections().each { 

core/src/main/groovy/com/muwire/core/connection/LeafConnectionManager.groovy

@@ -71,4 +71,8 @@ class LeafConnectionManager extends ConnectionManager {
 			log.severe("removed destination not present in connection manager ${e.destination.toBase32()}")
 	}
 	
+    @Override
+    void shutdown() {
+        
+    }
 }

core/src/main/groovy/com/muwire/core/connection/UltrapeerConnectionManager.groovy

@@ -101,6 +101,14 @@ class UltrapeerConnectionManager extends ConnectionManager {
 			log.severe("Removed connection not present in either leaf or peer map ${e.destination.toBase32()}")
 	}
     
+    @Override
+    void shutdown() {
+        peerConnections.each {k,v -> v.close() }
+        leafConnections.each {k,v -> v.close() }
+        peerConnections.clear()
+        leafConnections.clear()
+    }
+	
 	void forwardQueryToLeafs(QueryEvent e) {
 		
 	}

gui/griffon-app/lifecycle/Shutdown.groovy

@@ -0,0 +1,25 @@
+
+import javax.annotation.Nonnull
+import javax.inject.Inject
+
+import org.codehaus.griffon.runtime.core.AbstractLifecycleHandler
+
+import com.muwire.core.Core
+
+import griffon.core.GriffonApplication
+import groovy.util.logging.Log
+
+@Log
+class Shutdown extends AbstractLifecycleHandler {
+    @Inject
+    Shutdown(@Nonnull GriffonApplication application) {
+        super(application)
+    }
+    
+    @Override
+    void execute() {
+        log.info("shutting down")
+        Core core = application.context.get("core")
+        core.shutdown()
+    }
+}