FrameworkMessage.java

package com.esotericsoftware.kryonet;

import com.esotericsoftware.minlog.Log;

/** Marker interface to denote that a message is used by the Ninja framework and is generally invisible to the developer. Eg, these
 * messages are only logged at the {@link Log#LEVEL_TRACE} level.
 * @author Nathan Sweet <misc@n4te.com> */
public interface FrameworkMessage {
	static final FrameworkMessage.KeepAlive keepAlive = new KeepAlive();

	/** Internal message to give the client the server assigned connection ID. */
	static public class RegisterTCP implements FrameworkMessage {
		public int connectionID;
	}

	/** Internal message to give the server the client's UDP port. */
	static public class RegisterUDP implements FrameworkMessage {
		public int connectionID;
	}

	/** Internal message to keep connections alive. */
	static public class KeepAlive implements FrameworkMessage {
	}

	/** Internal message to discover running servers. */
	static public class DiscoverHost implements FrameworkMessage {
	}

	/** Internal message to determine round trip time. */
	static public class Ping implements FrameworkMessage {
		public int id;
		public boolean isReply;
	}
}