public void AcceptCallback(IAsyncResult ar)
{
// Create the state object.
ReadState readState = new ReadState();
try
{
// Signal the main thread to continue.
allDone.Set();
// Get the socket that handles the client request.
Socket listener = (Socket)ar.AsyncState;
Socket handler = listener.EndAccept(ar);
string sessionId = xxTCPClients.AssignSessionId();
LOG.InfoFormat("({2}) New client:{0},sessionId:{1}", handler.RemoteEndPoint, sessionId, Name);
xxClient client = new xxClient();
client.socket = handler;
client.SessionId = sessionId;
xxTCPClients.Add(client.SessionId, client);
LOG.InfoFormat("({1}) Clients count:{0}", xxTCPClients.ClientCount, Name);
readState.workSocket = handler;
readState.sessionId = client.SessionId;
readState.HeaderBytes = new byte[HeaderLength];
handler.BeginReceive(readState.HeaderBytes, 0, HeaderLength, SocketFlags.None, new AsyncCallback(ReadHeadCallback), readState);
}
catch (Exception e)
{
ReadException(e, readState);
}
}
public void Send(string sessionId, xxTCPMsg msg, bool closeClient)
{
try
{
// Convert the string data to byte data using ASCII encoding.
// byte[] byteData = Encoding.ASCII.GetBytes(data);
if (string.IsNullOrEmpty(sessionId))
{
throw new Exception("Session id is null!");
}
xxClient client = xxTCPClients.GetClient(sessionId);
if (client == null)
{
throw new Exception("Not found client by session:" + sessionId);
}
LOG.DebugFormat("({2}) Send {0} bytes to {1}", msg.MsgBytes.Length, client.socket.RemoteEndPoint, Name);
if (PrintSendHex)
{
PrintUtils.PrintHex(msg.MsgBytes);
}
SendState state = new SendState();
state.CloseClient = closeClient;
state.RemoteSocket = client.socket;
state.Client = client;
state.Msg = msg;
// Begin sending the data to the remote device.
client.socket.BeginSend(msg.MsgBytes, 0, msg.MsgBytes.Length, 0,
new AsyncCallback(SendCallback), state);
}
catch (Exception e)
{
ReadException(e, null);
}
}
public static void Add(string sessionId, xxClient socket)
{
clientSockets.Add(sessionId, socket);
}