QSMP.Utility/Network/SocketHelper.cs

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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 QSMP.Utility.Network
{
    public class SocketHelper
    {

        //1.声明关于事件的委托；
        public delegate void MessageEventHandler(object sender, byte[] bytesList);
        //2.声明事件；   
        public event MessageEventHandler MessageHandler;

        private Socket socket;
        private IPAddress ip;
        private IPEndPoint iPEnd;

        public SocketHelper(string ipAddress, int port)
        {
            ip = IPAddress.Parse(ipAddress);
            iPEnd = new IPEndPoint(ip, port);
            socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
        }
        public SocketHelper()
        {
        }


        public byte[] SendSync(string ipAddress, int port, byte[] bytes)
        {
            try
            {
                byte[] retBytes = new byte[8];
                IPAddress ip = IPAddress.Parse(ipAddress);
                IPEndPoint iPEnd = new IPEndPoint(ip, port);
                Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                socket.ReceiveTimeout = 1000;
                socket.SendTimeout = 1000;
                socket.Connect(iPEnd);
                socket.Send(bytes, bytes.Length, SocketFlags.None);
                Thread.Sleep(100);
                socket.Receive(retBytes, socket.Available, SocketFlags.None);
                socket.Close();
                return retBytes;
            }
            catch
            {
                List<byte> list = new List<byte>();
                list.Add(0x00);
                list.Add(0x00);
                list.Add(0x00);
                list.Add(0x00);
                list.Add(0x00);
                list.Add(0x00);