private void OnIOCompleted(object sender, SocketAsyncEventArgs asyncEventArgs)
{
AsyncUserToken userToken = asyncEventArgs.UserToken as AsyncUserToken;
userToken.ActiveDateTime = DateTime.Now;
try
{
lock (userToken)
{
switch (asyncEventArgs.LastOperation)
{
//case SocketAsyncOperation.Accept:
// break;
//case SocketAsyncOperation.Connect:
// break;
//case SocketAsyncOperation.Disconnect:
// break;
//case SocketAsyncOperation.None:
// break;
case SocketAsyncOperation.Receive:
ProcessReceive(asyncEventArgs);
break;
//case SocketAsyncOperation.ReceiveFrom:
// break;
//case SocketAsyncOperation.ReceiveMessageFrom:
// break;
case SocketAsyncOperation.Send:
ProcessSend(asyncEventArgs);
break;
//case SocketAsyncOperation.SendPackets:
// break;
//case SocketAsyncOperation.SendTo:
// break;
default:
throw new ArgumentException("the last operation completed on the socket was not a receive or send type");
break;
}
}
}
catch (Exception e)
{
Console.WriteLine("IO_Completed {0} error,message:{1}", userToken.ConnectSocket, e.Message);
Console.WriteLine(e.StackTrace);
}
}
private bool ProcessSend(SocketAsyncEventArgs sendEventArgs)
{
AsyncUserToken userToken = sendEventArgs.UserToken as AsyncUserToken;
if (sendEventArgs.SocketError == SocketError.Success)
{
if (_userToken.ConnectSocket == null)
{
Console.WriteLine("ProcessSend userToken. socket is null");
return(false);
}
else
{
_userToken.ActiveDateTime = DateTime.Now;
return(SendCompleted());
}
}
else
{
CloseSocket();
return(false);
}
}
public void Init()
{
_userToken = new AsyncUserToken(_receiveBufferSize);
_userToken.ReceiveEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(OnIOCompleted);
_userToken.SendEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(OnIOCompleted);
}
