Name the executor threads based on something that might

be useful to someone debugging thread dumps. ;)


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7258 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/networking/com/jme3/network/base/ConnectorAdapter.java

@@ -42,6 +42,7 @@ import com.jme3.network.Message;
 import com.jme3.network.MessageListener;
 import com.jme3.network.kernel.Connector;
 import com.jme3.network.kernel.ConnectorException;
+import com.jme3.network.kernel.NamedThreadFactory;
 import com.jme3.network.serializing.Serializer;
 
 /**
@@ -67,7 +68,7 @@ public class ConnectorAdapter extends Thread
     private AtomicBoolean go = new AtomicBoolean(true);
  
     // Writes messages out on a background thread
-    private ExecutorService writer = Executors.newFixedThreadPool(1);
+    private ExecutorService writer;
    
     // Marks the messages as reliable or not if they came
     // through this connector.
@@ -79,7 +80,9 @@ public class ConnectorAdapter extends Thread
         this.connector = connector;        
         this.dispatcher = dispatcher;
         this.reliable = reliable;
-        setDaemon(true);
+        setDaemon(true);        
+        writer = Executors.newFixedThreadPool(1, 
+                            new NamedThreadFactory(String.valueOf(connector) + "-writer"));
     }
  
     public void close()

engine/src/networking/com/jme3/network/kernel/NamedThreadFactory.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2011 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.jme3.network.kernel;
+
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
+
+/**
+ *  A simple factory that delegates to java.util.concurrent's
+ *  default thread factory but adds a prefix to the beginning
+ *  of the thread name.
+ *
+ *  @version   $Revision$
+ *  @author    Paul Speed
+ */
+public class NamedThreadFactory implements ThreadFactory
+{
+    private String name;
+    private ThreadFactory delegate;
+    
+    public NamedThreadFactory( String name )
+    {
+        this( name, Executors.defaultThreadFactory() );
+    }
+    
+    public NamedThreadFactory( String name, ThreadFactory delegate )
+    {
+        this.name = name;
+        this.delegate = delegate;
+    }
+    
+    public Thread newThread( Runnable r )
+    {
+        Thread result = delegate.newThread(r);
+        String s = result.getName();
+        result.setName( name + "[" + s + "]" );
+        return result;
+    } 
+}
+

engine/src/networking/com/jme3/network/kernel/udp/UdpKernel.java

@@ -59,7 +59,7 @@ public class UdpKernel extends AbstractKernel
     private InetSocketAddress address;
     private HostThread thread;
 
-    private ExecutorService writer = Executors.newFixedThreadPool(2);
+    private ExecutorService writer;
     
     // The nature of UDP means that even through a firewall,
     // a user would have to have a unique address+port since UDP
@@ -91,6 +91,8 @@ public class UdpKernel extends AbstractKernel
         if( thread != null )
             throw new IllegalStateException( "Kernel already initialized." );
 
+        writer = Executors.newFixedThreadPool(2, new NamedThreadFactory(toString() + "-writer"));
+        
         thread = createHostThread();
 
         try {