负载均衡算法（二）加权轮询负载均衡算法-白红宇

负载均衡算法（二）加权轮询负载均衡算法

阅读量：7218 次

发布时间：2019-06-29

本文共 1377 字，大约阅读时间需要 4 分钟。

///     /// 加权轮询算法    /// 
    public static class WeightRoundRobin    {        private static object obj = new object();        private static int pos = 0;        static Dictionary
     
       dic = new Dictionary
      
               {            { "192.168.1.12", 1},            {
    "192.168.1.13", 1 },            { "192.168.1.14", 3},            { "192.168.1.15", 1},            {
    "192.168.1.16", 1},            {
    "192.168.1.17", 1 },            { "192.168.1.18", 1},            { "192.168.1.19", 1}        };        public static string roundRobin()        {            //獲取ip列表list            List
       
         it = dic.Keys.ToList();            List
        
          serverList = new List
         
          ();            foreach (var item in it)            {                int weight = 0;                dic.TryGetValue(item, out weight);                for (int i = 0; i < weight; i++)                {                    serverList.Add(item);                }            }            string server = null;            lock (obj)            {                if (pos >= serverList.Count)                {                    pos = 0;                }                server = serverList[pos];                pos++;            }            return server;        }    }