/// <summary>
/// 异步接收客户端消息
/// </summary>
/// <param name="ar"></param>
private void ReceiveDataAsync(IAsyncResult ar)
{
Socket socketClient = ar.AsyncState as Socket;
try
{
int readLength = socketClient.EndReceive(ar);
if (readLength > 0)
{
RecevierEvent?.Invoke(receiveBuffer, socketClient.RemoteEndPoint);
Array.Clear(receiveBuffer, 0, receiveBuffer.Length);
socketClient.BeginReceive(receiveBuffer, 0, receiveBuffer.Length, SocketFlags.None, ReceiveDataAsync, socketClient);
}
else
{
socketsDic.Remove(socketClient.RemoteEndPoint);
clientConnectList.Remove(socketClient.RemoteEndPoint);
ConnectChangeEvent?.Invoke();
}
}
catch (Exception ex)
{
socketsDic.Remove(socketClient.RemoteEndPoint);
clientConnectList.Remove(socketClient.RemoteEndPoint);
ErrInfoEvent?.Invoke(ex.Message);
}
}
/// <summary>
/// 关闭TCP服务器
/// </summary>
public void Close()
{
if (socketServer == null)
{
return;
}
TcpIsStart = false;
foreach (var socketItem in socketsDic.Values)
{
try
{
socketItem.Shutdown(SocketShutdown.Both);
}
catch
{
}
try
{
socketItem.Close();
}
catch
{
}
}
try
{
socketServer.Shutdown(SocketShutdown.Both);
}
catch
{
}
try
{
socketServer.Close();
}
catch
{
}
socketsDic.Clear();
clientConnectList.Clear();
ConnectChangeEvent?.Invoke();
}
/// <summary>
/// 异步监听客户端
/// </summary>
/// <param name="ar"></param>
private void AcceptAsync(IAsyncResult ar)
{
try
{
Socket socket = (Socket)ar.AsyncState;
socket.BeginAccept(AcceptAsync, socket);
Socket socketClient = socket.EndAccept(ar);
socketsDic.Add(socketClient.RemoteEndPoint, socketClient);
clientConnectList.Add(socketClient.RemoteEndPoint);
ConnectChangeEvent?.Invoke();
byte[] arrSendMsg = Encoding.UTF8.GetBytes("Connected Successfully!");
Send(arrSendMsg, socketClient.RemoteEndPoint);
socketClient.BeginReceive(receiveBuffer, 0, receiveBuffer.Length, SocketFlags.None, ReceiveDataAsync, socketClient);
}
catch (Exception ex)
{
ErrInfoEvent?.Invoke(ex.Message);
}
}