using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Linq;
using System.Text;
using QM.Exchange.Interface;

namespace QM.Exchange.Core
{
    /// <summary>
    /// 注册中心
    /// </summary>
    public class RegisterCenter
    {
        private static ConcurrentDictionary<string, Worker> WorkerList = new ConcurrentDictionary<string, Worker>();

        /// <summary>
        /// 注册工作节点
        /// </summary>
        public static void RegisterWorker(string sessionID, string clientHostName,Worker info)
        {
            //注册列表
            Worker workNode = info;
            workNode.SessionID = sessionID;
            workNode.HostName = clientHostName;

            WorkerList.TryAdd(sessionID, workNode);
        }

        /// <summary>
        /// 获取工作节点列表
        /// </summary>
        public static List<Worker> GetWokerList()
        {
            List<Worker> workers = new List<Worker>();

            foreach (Worker w in WorkerList.Values)
            {
                workers.Add(w);
            }

            return workers;
        }

        
        /// <summary>
        /// 注销工作节点
        /// </summary>
        /// <param name="sessionIDArray">会话ID列表</param>
        public static void LogoffWorker(List<string> sessionIDArray)
        {
            Worker w = null;

            foreach (string sessionID in sessionIDArray)
            {
                WorkerList.TryRemove(sessionID, out w);
            }
        }

    }
}