#region << 版 本 注 释 >>
/*----------------------------------------------------------------
 * 创建者：13118
 * 创建时间：2022/6/15 16:42:09
 * 版本：V1.0.0
 * 描述：
 *
 * ----------------------------------------------------------------
 * 修改人：
 * 时间：
 * 修改说明：
 *
 * 版本：V1.0.1
 *----------------------------------------------------------------*/
#endregion << 版 本 注 释 >>

using Polly;
using Polly.Retry;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;


namespace ARI.EAP.HOST.Common
{
    /// <summary>
    /// SocketClient 的摘要说明
    /// </summary>
    public class SocketClient
    {
        private static Socket socket;
        private Thread thread;
        private byte[] buffer = new byte[2048];
        private object sync_root = new object();

        static SocketClient()
        {
            socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
        }

        public SocketClient()
        {
            Task.Run(() => SocketConnect());
        }

        private void SocketConnect()
        {
            lock (sync_root)
            {
                RetryPolicy policy = Policy.Handle<SocketException>()
                    .WaitAndRetryForever(retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)), (ex, time) =>
                    {
                    });// 永远等待并重试,每次等待2的指数次冥的时间
                policy.Execute(() =>
                {
                    socket.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"), int.Parse("10086")));

                    thread = new Thread(StartReceive);
                    thread.IsBackground = true;
                    thread.Start(socket);
                });
            }         
        }

        private void StartReceive(object obj)
        {
            string str;
            while (true)
            {
                Socket receiveSocket = obj as Socket;
                try
                {
                    int result = receiveSocket.Receive(buffer);
                    if (result == 0)
                    {
                        break;
                    }
                    else
                    {
                        str = Encoding.Default.GetString(buffer);
                    }

                }
                catch (Exception ex)
                {
                }
            }
        }

        public void Disconnected()
        {
            try
            {
                socket.Shutdown(SocketShutdown.Both);
                socket.Close();
                thread.Abort();
            }
            catch (Exception ex)
            {
            }
        }

        public void SendMessage(string message)
        {
            socket.Send(Encoding.Default.GetBytes(message));
        }
    }
}