private static void ReceiveCallback(IAsyncResult ar)
{
try
{
EchoState echoState = (EchoState)ar.AsyncState;
Socket clientSocket = echoState.socket;
int count = clientSocket.EndReceive(ar);
// 关闭客户端
if (count == 0)
{
clientSocket.Close();
clients.Remove(clientSocket);
Console.WriteLine("Socket Close");
return;
}
string readStr = System.Text.Encoding.Default.GetString(echoState.readBuff, 0, count);
byte[] sendBytes = System.Text.Encoding.Default.GetBytes(readStr);
clientSocket.Send(sendBytes);
clientSocket.BeginReceive(echoState.readBuff, 0, 1024, 0, ReceiveCallback, echoState);
}
catch (SocketException e)
{
Console.WriteLine("Socket Receive fail" + e.ToString());
}
}
private static void AcceptCallback(IAsyncResult ar)
{
try
{
Console.WriteLine("[服务器] Accept");
Socket listenSocket = (Socket)ar.AsyncState;
Socket clientSocket = listenSocket.EndAccept(ar);
// clients列表
EchoState echoState = new EchoState();
echoState.socket = clientSocket;
clients.Add(clientSocket, echoState);
// 接收数据BeginReceive
clientSocket.BeginReceive(echoState.readBuff, 0, 1024, 0, ReceiveCallback, echoState);
}
catch (Exception e)
{
Console.WriteLine("Socket Accept fail" + e.ToString());
}
}
