public override void ProcessSend(SocketAsyncEventArgs e)
{
if (e.LastOperation != SocketAsyncOperation.Send)
{
return;
}
if (e.SocketError == SocketError.Success)
{
// done echoing data back to the client
AsyncUserToken token = (AsyncUserToken)e.UserToken;
// read the next block of data send from the client
if (!token.Socket.ReceiveAsync(e))
{
ProcessReceived(e);
}
}
else
{
Close();
}
}
public override void ProcessReceived(SocketAsyncEventArgs e)
{
// check if the remote host closed the connection
AsyncUserToken token = (AsyncUserToken)e.UserToken;
if (e.BytesTransferred <= 0 || e.SocketError != SocketError.Success)
{
Close();
return;
}
this.LastActiveTime = DateTime.Now;
Console.Write(".");
ResolveResult result = _commandResolver.Parse(e, Encoding.UTF8.GetBytes("|")[0]);
if (result.FoundCompleteRequest)
{
_commandResolver = new DefaultAsyncCommandResolver(_commandResolver);
string commandLine = result.RequestType == RequestType.PolicyFileRequest ? result.Requests[0] : string.Join <string>("|", result.Requests);
if (string.IsNullOrEmpty(commandLine))
{
if (!token.Socket.ReceiveAsync(e))
{
ProcessReceived(e);
}
return;
}
try
{
byte[] response = Encoding.UTF8.GetBytes(commandLine); //Take Care ！！！
Buffer.BlockCopy(response, 0, e.Buffer, e.Offset, response.Length);
e.SetBuffer(e.Offset, response.Length); //CPU high here
bool willRaiseEvent = token.Socket.SendAsync(e);
if (!willRaiseEvent)
{
ProcessSend(e);
}
if (result.RequestType != RequestType.PolicyFileRequest)
{
OnRequestReceived.OnEvent <SocketPlainTextEventArgs>(this, new SocketPlainTextEventArgs()
{
Content = commandLine
});
}
}
catch (Exception ex)
{
if (log.IsErrorEnabled)
{
log.Error("Session ProcessReceive Exception:", ex);
}
}
}
else
{
_commandResolver = new DefaultAsyncCommandResolver(_commandResolver);
if (!token.Socket.ReceiveAsync(e))
{
ProcessReceived(e);
}
return;
}
}