/// <summary>
/// 绑定地址监听客户端
/// </summary>
public void ServerSck()
{
try
{
serverSck.Bind(endPoint);
serverSck.Listen(100);
//获取客户端连接
Task.Run(() =>
{
while (true)
{
try
{
tSocket = serverSck.Accept();
if (tSocket.Connected)
{
string point = tSocket.RemoteEndPoint.ToString();
NotifyCommandEvent?.Invoke("Connect", $"{point}连接成功");
Task.Factory.StartNew(Recv, tSocket);
Thread.Sleep(500);
}
}
catch (Exception ex)
{
NotifyCommandEvent?.Invoke("Break", $"客户端与服务端连接异常{ex.Message}");
}
}
});
}
catch (Exception ex)
{
NotifyCommandEvent?.Invoke("Break", $"通信异常信息为{ex.Message}");
}
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="bytData"></param>
/// <returns></returns>
public bool Send(byte[] bytData)
{
bool flag = false;
try
{
if (tSocket != null)
{
lock (qLock)
{
if (tSocket.Connected)
{
int n = tSocket.Send(bytData);
flag = true;
}
else
{
NotifyCommandEvent?.Invoke("Break", "SendData fail");
flag = false;
}
}
}
return(flag);
}
catch (Exception ex)
{
NotifyCommandEvent?.Invoke("Break", ex.Message);
return(false);
}
}
/// <summary>
/// 接收消息
/// </summary>
/// <param name="state"></param>
private void Recv(object state)
{
Socket client = state as Socket;
byte[] bytebuffer = new byte[byteLen];
lock (qLock)
{
while (true)
{
try
{
if (tSocket != null)
{
if (tSocket.Connected)
{
for (int i = 0; i < 50; i++)
{
bytebuffer[i] = 0;
}
int nLen = tSocket.Receive(bytebuffer);
if (nLen > 0)
{
NotifyCommandEvent?.Invoke("RecvData", bytebuffer);
}
else
{
NotifyCommandEvent?.Invoke("Break", "接受报文长度为0");
}
}
}
else
{
NotifyCommandEvent?.Invoke("Break", "与PLC断开连接");
}
}
catch (Exception ex)
{
NotifyCommandEvent?.Invoke("Break", $"连接断开{ex.Message}");
}
}
}
}