using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
using System.Threading; namespace BatteryDetectWorkA
{
class SocketClient
{
byte[] buffer = new byte[2048];
Socket socket;
Thread thread;
string ip, port;
public bool connect(string ip, string port)
{
bool result = true;
try
{
//实例化socket
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//连接服务器
this.ip = ip; this.port = port;
socket.Connect(new IPEndPoint(IPAddress.Parse(this.ip), int.Parse(this.port))); thread = new Thread(StartReceive);
thread.IsBackground = true;
thread.Start(socket);
}
catch (Exception ex)
{
//SetMessage("连接服务器异常:" + ex.Message);
result = false;
}
return result;
} 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)
{
//SetMessage("服务器异常:" + ex.Message); }
} } /// <summary>
/// 关闭连接
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public bool close()
{
bool result = true;
try
{
socket.Shutdown(SocketShutdown.Both);
socket.Close();
socket.Dispose();
thread.Abort();
socket = null;
thread = null;
GC.Collect();
}
catch (Exception ex)
{
result = false;
}
return result;
} public void send(string str)
{
socket.Send(Encoding.Default.GetBytes(str));
} public void sendbytes(byte[] buffer)
{
socket.Send(buffer);
} public bool isConnection()
{ bool blockingState = socket.Blocking;
try
{
if (!socket.Connected)
{
try
{
close();
connect(this.ip, this.port);
}
catch (Exception ex)
{
return false;
}
}
byte[] tmp = new byte[1];
socket.Blocking = false;
socket.Send(tmp, 0, 0);
socket.Blocking = blockingState; // 恢复状态
return true;
}
catch (SocketException e)
{
//try
//{
// // socket.Close();
// socket.Connect(new IPEndPoint(IPAddress.Parse(this.ip), int.Parse(this.port)));
//}
//catch(Exception ex) { }
// 产生 10035 == WSAEWOULDBLOCK 错误,说明被阻止了,但是还是连接的
//if (e.NativeErrorCode.Equals(10035))
return false;
//else
// return true;
}
//finally
//{
// socket.Blocking = blockingState; // 恢复状态
//} } } class SocketServer
{
private static Dictionary<string, Socket> socketList = new Dictionary<string, Socket>();
public SocketServer(string ip, string port)
{
try
{ Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPEndPoint IEP = new IPEndPoint(IPAddress.Parse(ip), int.Parse(port));
//绑定ip和端口
socket.Bind(IEP);
//开启监听
socket.Listen(20);
//Logger.WriteLog(ip + ':' + port + "开始监听"); Thread thread = new Thread(new ParameterizedThreadStart(StartServer));
thread.IsBackground = true;
thread.Start(socket); }
catch (Exception ex)
{
// Logger.WriteLog(ex.Message.ToString(), ex); }
} public void StartServer(object obj)
{
string str;
while (true)
{
//等待接收客户端连接 Accept方法返回一个用于和该客户端通信的Socket
Socket recviceSocket = ((Socket)obj).Accept();
//获取客户端ip和端口号
str = recviceSocket.RemoteEndPoint.ToString();
socketList.Add(str, recviceSocket);
//Logger.LogOperate.Info(str + "已连接"); //Accept()执行过后 当前线程会阻塞 只有在有客户端连接时才会继续执行
//创建新线程,监控接收新客户端的请求数据
Thread thread = new Thread(startRecive);
thread.IsBackground = true;
thread.Start(recviceSocket);
}
} public void startRecive(object obj)
{ while (true)
{
try
{
byte[] buffer = new byte[2048];
int count = ((Socket)obj).Receive(buffer);
if (count == 0) break;
string str = Encoding.Default.GetString(buffer, 0, count);
string ip = ((Socket)obj).RemoteEndPoint.ToString(); }
catch (Exception ex)
{
// Logger.WriteLog(ex.Message.ToString(), ex); }
}
}
private void send2Client(string ip, string str)
{
byte[] bytes = new byte[2048];
bytes = Encoding.Default.GetBytes(str);
if (socketList.ContainsKey(ip))
{
Logger.QuiesceThread(new Action(() => {
try
{
socketList[ip].Send(bytes);
}
catch (Exception ex)
{ }
}));
} } } public class TcpClient
{ Socket m_client; byte[] buffer = new byte[3072 * 2048];
bool isOpen = false;
bool hasClient = false; bool check_client()
{
try
{
if (m_client == null)
return false; bool isConnect = !(m_client.Poll(1000, SelectMode.SelectRead) && m_client.Available == 0) && m_client.Connected;
return isConnect;
}
catch
{
return false;
}
} void AcceptCallBack(IAsyncResult ar)
{
try
{
if (check_client())
{
m_client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), m_client);
hasClient = true;
while (hasClient)
{
Thread.Sleep(500);
if (!check_client())
{
break;
}
}
hasClient = false;
Logger.LogApp.Info("监听到Socket断线");
}
if (isOpen)
Open();
}
catch
{
}
}
void ReceiveCallBack(IAsyncResult ar)
{
try
{
var client = ar.AsyncState as Socket;
int length = client.EndReceive(ar);
if (length > 0)
OnDataRecive?.Invoke(buffer.Take(length).ToArray()); //接收一下个信息
client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), client);
}
catch (Exception ex) { }
} public event Action<byte[]> OnDataRecive;
string m_ip;
int m_port;
public void Open(string ip, int port)
{
//
Close(); //
IPEndPoint serverip = new IPEndPoint(IPAddress.Parse(ip), port);
m_client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
m_client.BeginConnect(serverip, AcceptCallBack, m_client); //
isOpen = true;
m_ip = ip;
m_port = port;
}
public void Open()
{
Open(m_ip, m_port);
}
public void Close()
{
//
if (m_client != null)
{
if (m_client.Connected)
m_client.Shutdown(SocketShutdown.Both);
m_client.Close();
m_client = null;
} //
hasClient = false;
isOpen = false;
}
public bool IsOpen()
{
return isOpen;
}
public bool IsConnected()
{
return hasClient;
} public void Send(byte[] data)
{
if (hasClient)
{
m_client.Send(data);
}
} public void Send(string str)
{
if (hasClient)
{
m_client.Send(Encoding.Default.GetBytes(str));
Logger.LogApp.Info("A工位通过Socket发送" + str.ToString());
}
else
{
Logger.LogApp.Info("Socket断线,数据未发送,数据为" + str.ToString());
}
} } class TcpServer
{ Socket m_server;
Socket m_client; byte[] buffer = new byte[1024];
bool isOpen = false;
bool hasClient = false; bool check_client()
{
try
{
if (m_client == null)
return false; bool isConnect = !(m_client.Poll(1000, SelectMode.SelectRead) && m_client.Available == 0) && m_client.Connected;
return isConnect;
}
catch
{
return false;
}
} void AcceptCallBack(IAsyncResult ar)
{
try
{
var server = ar.AsyncState as Socket;
var client = server.EndAccept(ar);
m_client = client;
m_client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), m_client); hasClient = true;
while (true)
{
Thread.Sleep(100);
if (!check_client())
{
if (m_client.Connected)
m_client.Shutdown(SocketShutdown.Both);
m_client.Close();
m_client = null;
break;
}
}
hasClient = false; if (m_server != null)
{
m_server.BeginAccept(new AsyncCallback(AcceptCallBack), m_server);
}
}
catch { }
}
void ReceiveCallBack(IAsyncResult ar)
{
try
{
var client = ar.AsyncState as Socket;
int length = client.EndReceive(ar);
OnDataRecive?.Invoke(buffer.Take(length).ToArray()); //接收一下个信息
client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), client);
}
catch { }
} public event Action<byte[]> OnDataRecive; public void Open(string ip, int port)
{ //
Close(); //
IPEndPoint serverip = new IPEndPoint(IPAddress.Parse(ip), port);
m_server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
m_server.Bind(serverip);
m_server.Listen(0);
m_server.BeginAccept(new AsyncCallback(AcceptCallBack), m_server); //
isOpen = true;
}
public void Close()
{ //
hasClient = false;
isOpen = false; //
if (m_server != null)
{
if (m_server.Connected)
m_server.Shutdown(SocketShutdown.Both);
m_server.Close();
m_server = null;
} //
if (m_client != null)
{
if (m_client.Connected)
m_client.Shutdown(SocketShutdown.Both);
m_client.Close();
m_client = null;
} }
public bool IsOpen()
{
return isOpen;
}
public bool IsConnected()
{
return hasClient;
} public void Send(byte[] data)
{
if (hasClient)
{
m_client.Send(data);
}
} } }

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Net.Sockets;using System.Net;using System.Threading;
namespace BatteryDetectWorkA{    class SocketClient    {        byte[] buffer = new byte[2048];        Socket socket;        Thread thread;        string ip, port;        public bool connect(string ip, string port)        {            bool result = true;            try            {                //实例化socket                socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);                //连接服务器                this.ip = ip; this.port = port;                socket.Connect(new IPEndPoint(IPAddress.Parse(this.ip), int.Parse(this.port)));
                thread = new Thread(StartReceive);                thread.IsBackground = true;                thread.Start(socket);            }            catch (Exception ex)            {                //SetMessage("连接服务器异常:" + ex.Message);                result = false;            }            return result;        }
        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)                {                    //SetMessage("服务器异常:" + ex.Message);
                }            }
        }
        /// <summary>        /// 关闭连接        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        public bool close()        {            bool result = true;            try            {                socket.Shutdown(SocketShutdown.Both);                socket.Close();                socket.Dispose();                thread.Abort();                socket = null;                thread = null;                GC.Collect();            }            catch (Exception ex)            {                result = false;            }            return result;        }
        public void send(string str)        {            socket.Send(Encoding.Default.GetBytes(str));        }
        public void sendbytes(byte[] buffer)        {            socket.Send(buffer);        }
        public bool isConnection()        {
            bool blockingState = socket.Blocking;            try            {                if (!socket.Connected)                {                    try                    {                        close();                        connect(this.ip, this.port);                    }                    catch (Exception ex)                    {                        return false;                    }                }                byte[] tmp = new byte[1];                socket.Blocking = false;                socket.Send(tmp, 0, 0);                socket.Blocking = blockingState;    // 恢复状态                return true;            }            catch (SocketException e)            {                //try                //{                //   // socket.Close();                //    socket.Connect(new IPEndPoint(IPAddress.Parse(this.ip), int.Parse(this.port)));                //}                //catch(Exception ex) { }                // 产生 10035 == WSAEWOULDBLOCK 错误,说明被阻止了,但是还是连接的                //if (e.NativeErrorCode.Equals(10035))                return false;                //else                //    return true;            }            //finally            //{            //    socket.Blocking = blockingState;    // 恢复状态            //}
        }
    }
    class SocketServer    {        private static Dictionary<string, Socket> socketList = new Dictionary<string, Socket>();        public SocketServer(string ip, string port)        {            try            {
                Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                IPEndPoint IEP = new IPEndPoint(IPAddress.Parse(ip), int.Parse(port));                //绑定ip和端口                socket.Bind(IEP);                //开启监听                socket.Listen(20);                //Logger.WriteLog(ip + ':' + port + "开始监听");
                Thread thread = new Thread(new ParameterizedThreadStart(StartServer));                thread.IsBackground = true;                thread.Start(socket);
            }            catch (Exception ex)            {                // Logger.WriteLog(ex.Message.ToString(), ex);
            }        }
        public void StartServer(object obj)        {            string str;            while (true)            {                //等待接收客户端连接 Accept方法返回一个用于和该客户端通信的Socket                Socket recviceSocket = ((Socket)obj).Accept();                //获取客户端ip和端口号                str = recviceSocket.RemoteEndPoint.ToString();                socketList.Add(str, recviceSocket);                //Logger.LogOperate.Info(str + "已连接");
                //Accept()执行过后 当前线程会阻塞 只有在有客户端连接时才会继续执行                //创建新线程,监控接收新客户端的请求数据                Thread thread = new Thread(startRecive);                thread.IsBackground = true;                thread.Start(recviceSocket);            }        }

        public void startRecive(object obj)        {
            while (true)            {                try                {                    byte[] buffer = new byte[2048];                    int count = ((Socket)obj).Receive(buffer);                    if (count == 0) break;                    string str = Encoding.Default.GetString(buffer, 0, count);                    string ip = ((Socket)obj).RemoteEndPoint.ToString();
                }                catch (Exception ex)                {                    // Logger.WriteLog(ex.Message.ToString(), ex);
                }            }        }        private void send2Client(string ip, string str)        {            byte[] bytes = new byte[2048];            bytes = Encoding.Default.GetBytes(str);            if (socketList.ContainsKey(ip))            {                Logger.QuiesceThread(new Action(() => {                    try                    {                        socketList[ip].Send(bytes);                    }                    catch (Exception ex)                    { }                }));            }
        }

    }
    public class TcpClient    {
        Socket m_client;
        byte[] buffer = new byte[3072 * 2048];        bool isOpen = false;        bool hasClient = false;
        bool check_client()        {            try            {                if (m_client == null)                    return false;
                bool isConnect = !(m_client.Poll(1000, SelectMode.SelectRead) && m_client.Available == 0) && m_client.Connected;                return isConnect;            }            catch            {                return false;            }        }
        void AcceptCallBack(IAsyncResult ar)        {            try            {                if (check_client())                {                    m_client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), m_client);                    hasClient = true;                    while (hasClient)                    {                        Thread.Sleep(500);                        if (!check_client())                        {                            break;                        }                    }                    hasClient = false;                    Logger.LogApp.Info("监听到Socket断线");                }                if (isOpen)                    Open();            }            catch            {            }        }        void ReceiveCallBack(IAsyncResult ar)        {            try            {                var client = ar.AsyncState as Socket;                int length = client.EndReceive(ar);                if (length > 0)                    OnDataRecive?.Invoke(buffer.Take(length).ToArray());
                //接收一下个信息                client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), client);            }            catch (Exception ex) { }        }
        public event Action<byte[]> OnDataRecive;        string m_ip;        int m_port;        public void Open(string ip, int port)        {            //            Close();
            //            IPEndPoint serverip = new IPEndPoint(IPAddress.Parse(ip), port);            m_client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            m_client.BeginConnect(serverip, AcceptCallBack, m_client);
            //            isOpen = true;            m_ip = ip;            m_port = port;        }        public void Open()        {            Open(m_ip, m_port);        }        public void Close()        {            //            if (m_client != null)            {                if (m_client.Connected)                    m_client.Shutdown(SocketShutdown.Both);                m_client.Close();                m_client = null;            }
            //            hasClient = false;            isOpen = false;        }        public bool IsOpen()        {            return isOpen;        }        public bool IsConnected()        {            return hasClient;        }
        public void Send(byte[] data)        {            if (hasClient)            {                m_client.Send(data);            }        }
        public void Send(string str)        {            if (hasClient)            {                m_client.Send(Encoding.Default.GetBytes(str));                Logger.LogApp.Info("A工位通过Socket发送" + str.ToString());            }            else            {                Logger.LogApp.Info("Socket断线,数据未发送,数据为" + str.ToString());            }        }
    }

    class TcpServer    {
        Socket m_server;        Socket m_client;
        byte[] buffer = new byte[1024];        bool isOpen = false;        bool hasClient = false;
        bool check_client()        {            try            {                if (m_client == null)                    return false;
                bool isConnect = !(m_client.Poll(1000, SelectMode.SelectRead) && m_client.Available == 0) && m_client.Connected;                return isConnect;            }            catch            {                return false;            }        }
        void AcceptCallBack(IAsyncResult ar)        {            try            {                var server = ar.AsyncState as Socket;                var client = server.EndAccept(ar);                m_client = client;                m_client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), m_client);
                hasClient = true;                while (true)                {                    Thread.Sleep(100);                    if (!check_client())                    {                        if (m_client.Connected)                            m_client.Shutdown(SocketShutdown.Both);                        m_client.Close();                        m_client = null;                        break;                    }                }                hasClient = false;
                if (m_server != null)                {                    m_server.BeginAccept(new AsyncCallback(AcceptCallBack), m_server);                }            }            catch { }        }        void ReceiveCallBack(IAsyncResult ar)        {            try            {                var client = ar.AsyncState as Socket;                int length = client.EndReceive(ar);                OnDataRecive?.Invoke(buffer.Take(length).ToArray());
                //接收一下个信息                client.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallBack), client);            }            catch { }        }
        public event Action<byte[]> OnDataRecive;
        public void Open(string ip, int port)        {
            //            Close();
            //            IPEndPoint serverip = new IPEndPoint(IPAddress.Parse(ip), port);            m_server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            m_server.Bind(serverip);            m_server.Listen(0);            m_server.BeginAccept(new AsyncCallback(AcceptCallBack), m_server);
            //            isOpen = true;        }        public void Close()        {
            //            hasClient = false;            isOpen = false;
            //            if (m_server != null)            {                if (m_server.Connected)                    m_server.Shutdown(SocketShutdown.Both);                m_server.Close();                m_server = null;            }
            //            if (m_client != null)            {                if (m_client.Connected)                    m_client.Shutdown(SocketShutdown.Both);                m_client.Close();                m_client = null;            }
        }        public bool IsOpen()        {            return isOpen;        }        public bool IsConnected()        {            return hasClient;        }
        public void Send(byte[] data)        {            if (hasClient)            {                m_client.Send(data);            }        }
    }
}

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