Allow customizing the ServerSocketChannelAcceptor to configure the socket

differently (specifically, we want to enable SO_REUSEADDR in Spiral Knights).


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6625 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/nio/conman/ServerSocketChannelAcceptor.java

@@ -99,7 +99,7 @@ public class ServerSocketChannelAcceptor
     {
         // create a listening socket
         final ServerSocketChannel ssocket = ServerSocketChannel.open();
-        ssocket.configureBlocking(false);
+        configureSocket(ssocket);
         InetSocketAddress isa = AddressUtil.getAddress(_bindHostname, port);
         ssocket.socket().bind(isa);
 
@@ -125,6 +125,16 @@ public class ServerSocketChannelAcceptor
         log.info("Server listening on " + isa + ".");
     }
 
+    /**
+     * Override to perform any desired additional socket configuration before binding.  Be sure to
+     * call the superclass implementation.
+     */
+    protected void configureSocket (ServerSocketChannel ssocket)
+        throws IOException
+    {
+        ssocket.configureBlocking(false);
+    }
+
     protected final int[] _ports;
     protected final String _bindHostname;
     protected final ConnectionManager _conMan;

src/main/java/com/threerings/presents/server/PresentsServer.java

@@ -191,9 +191,7 @@ public class PresentsServer
         _clmgr.setInjector(injector);
 
         // Create our socket opening objects now that we know what ports we're using.
-        _socketAcceptor =
-            new ServerSocketChannelAcceptor(getBindHostname(), getListenPorts(), _conmgr);
-        _lifecycle.addComponent(_socketAcceptor);
+        _lifecycle.addComponent(_socketAcceptor = createSocketAcceptor());
         _datagramReader =
             new DatagramChannelReader(getDatagramHostname(), getDatagramPorts(), _conmgr);
         _lifecycle.addComponent(_datagramReader);
@@ -220,6 +218,11 @@ public class PresentsServer
         }
     }
 
+    protected ServerSocketChannelAcceptor createSocketAcceptor ()
+    {
+        return new ServerSocketChannelAcceptor(getBindHostname(), getListenPorts(), _conmgr);
+    }
+
     /**
      * Starts up all of the server services and enters the main server event loop.
      */