WebSocketData.java

/*
 * Aphelion
 * Copyright (c) 2013  Joris van der Wel
 * 
 * This file is part of Aphelion
 * 
 * Aphelion is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 * 
 * Aphelion is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with Aphelion.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * In addition, the following supplemental terms apply, based on section 7 of
 * the GNU Affero General Public License (version 3):
 * a) Preservation of all legal notices and author attributions
 * b) Prohibition of misrepresentation of the origin of this material, and
 * modified versions are required to be marked in reasonable ways as
 * different from the original version (for example by appending a copyright notice).
 * 
 * Linking this library statically or dynamically with other modules is making a
 * combined work based on this library. Thus, the terms and conditions of the
 * GNU Affero General Public License cover the whole combination.
 * 
 * As a special exception, the copyright holders of this library give you 
 * permission to link this library with independent modules to produce an 
 * executable, regardless of the license terms of these independent modules,
 * and to copy and distribute the resulting executable under terms of your 
 * choice, provided that you also meet, for each linked independent module,
 * the terms and conditions of the license of that module. An independent
 * module is a module which is not derived from or based on this library.
 */

package aphelion.shared.net;

import java.util.WeakHashMap;
import org.java_websocket.WebSocket;

/**
 *
 * @author Joris
 */
public class WebSocketData
{
        public long openedAt;
        
        public boolean initialized;
        /** null if the socket has not been initialized yet or has just been closed.
         */
        public SessionToken session; 
        public PROTOCOL protocol;
        public int protocolVersion;
        
        /** How many messages have we sent that have not been acknowledged yet */
        public int unacked; 
        
        /** How many messages have we received that have not yet been acknowledged by us */
        public int ackreply = 0;
        
        private static final WeakHashMap<WebSocket, WebSocketData> data = new WeakHashMap<>();

        private WebSocketData()
        {
        }
        
        public static WebSocketData get(WebSocket ws)
        {
                synchronized(data)
                {
                        WebSocketData ret = data.get(ws);
                        if (ret == null)
                        {
                                ret = new WebSocketData();
                                data.put(ws, ret);
                        }
                        return ret;
                }
        }
}