Implement EM::Connection#get_sockname() for the JRuby EM port.

java/src/com/rubyeventmachine/EmReactor.java

@@ -524,6 +524,10 @@ public Object[] getPeerName (long sig) {
 		return Connections.get(sig).getPeerName();
 	}
 
+	public Object[] getSockName (long sig) {
+		return Connections.get(sig).getSockName();
+	}
+
 	public long attachChannel (SocketChannel sc, boolean watch_mode) {
 		long b = createBinding();
 

java/src/com/rubyeventmachine/EventableChannel.java

@@ -60,6 +60,7 @@ public interface EventableChannel {
 	public void setCommInactivityTimeout (long seconds);
 
 	public Object[] getPeerName();
+	public Object[] getSockName();
 
 	public boolean isWatchOnly();
 

java/src/com/rubyeventmachine/EventableDatagramChannel.java

@@ -183,6 +183,12 @@ public Object[] getPeerName () {
 		}
 	}
 
+	public Object[] getSockName () {
+		DatagramSocket socket = channel.socket();
+		return new Object[]{ socket.getLocalPort(),
+							 socket.getLocalAddress().getHostAddress() };
+	}
+
 	public boolean isWatchOnly() { return false; }
 	public boolean isNotifyReadable() { return false; }
 	public boolean isNotifyWritable() { return false; }

java/src/com/rubyeventmachine/EventableSocketChannel.java

@@ -302,6 +302,12 @@ public Object[] getPeerName () {
 		return new Object[]{ sock.getPort(), sock.getInetAddress().getHostAddress() };
 	}
 
+	public Object[] getSockName () {
+		Socket sock = channel.socket();
+		return new Object[]{ sock.getLocalPort(),
+							 sock.getLocalAddress().getHostAddress() };
+	}
+
 	public void setWatchOnly() {
 		bWatchOnly = true;
 		updateEvents();

lib/jeventmachine.rb

@@ -203,6 +203,11 @@ def self.get_peername sig
       Socket.pack_sockaddr_in(*peer)
     end
   end
+  def self.get_sockname sig
+    if sockName = @em.getSockName(sig)
+      Socket.pack_sockaddr_in(*sockName)
+    end
+  end
   # @private
   def self.attach_fd fileno, watch_mode
     # 3Aug09: We could pass in the actual SocketChannel, but then it would be modified (set as non-blocking), and