LBVip.java

/*
 * Copyright (c) 2013 Big Switch Networks, Inc.
 *
 * Licensed under the Eclipse Public License, Version 1.0 (the
 * "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 *
 *      http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package org.sdnplatform.loadbalancer;

import java.util.ArrayList;

import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.sdnplatform.loadbalancer.LoadBalancer.IPClient;
import org.sdnplatform.util.MACAddress;


/**
 * Data structure for Load Balancer based on
 * Quantum proposal http://wiki.openstack.org/LBaaS/CoreResourceModel/proposal 
 * 
 * @author KC Wang
 */

@JsonSerialize(using=LBVipSerializer.class)
public class LBVip {
    protected String id;    
    protected String name;
    protected String tenantId;
    protected String netId;
    protected int address;
    protected byte protocol;
    protected short lbMethod;
    protected short port;
    protected ArrayList<String> pools;
    protected boolean sessionPersistence;
    protected int connectionLimit;
    protected short adminState;
    protected short status;
    
    protected MACAddress proxyMac;
    
    public static String LB_PROXY_MAC= "12:34:56:78:90:12";
    
    public LBVip() {
        this.id = String.valueOf((int) (Math.random()*10000));
        this.name = null;
        this.tenantId = null;
        this.netId = null;
        this.address = 0;
        this.protocol = 0;
        this.lbMethod = 0;
        this.port = 0;
        this.pools = new ArrayList<String>();
        this.sessionPersistence = false;
        this.connectionLimit = 0;
        this.address = 0;
        this.status = 0;
        
        this.proxyMac = MACAddress.valueOf(LB_PROXY_MAC);
    }
    
    public String pickPool(IPClient client) {
        // for now, return the first pool; consider different pool choice policy later
        if (pools.size() > 0)
            return pools.get(0);
        else
            return null;
    }

}