Exemplo n.º 1
0
        public void Receive()
        {
            if (!IsConnected())
            {
                throw new Exception("Client not connected");
            }

            var state = new ClientStateObject();

            state.workSocket = _listener;
            _listener.BeginReceive(state.buffer, 0, ClientStateObject.BufferSize, SocketFlags.None, ReceiveCallback, state);
        }
        public static void Send(int clientId, string data)
        {
            var state       = new ClientStateObject();
            var clientState = _clients.TryGetValue(clientId, out state) ? state : null;

            if (clientState == null || clientState.isConnected == false)
            {
                throw new Exception("Client doesnt exisit or is not connected");
            }

            var bytes = Encoding.UTF8.GetBytes(data);

            clientState.workSocket.BeginSend(bytes, 0, bytes.Length, SocketFlags.None, new AsyncCallback(SendCallback), clientState);
        }
        private static void OnClientConnect(IAsyncResult ar)
        {
            _resetEvent.Set();
            var clientStateObject = new ClientStateObject();

            clientStateObject.isConnected = true;
            var socket = (Socket)ar.AsyncState;

            lock (m_locker) {
                clientStateObject.Id = !_clients.Any() ? 1 : _clients.Keys.Max() + 1;
                _clients.Add(clientStateObject.Id, clientStateObject);
            }

            try {
                clientStateObject.workSocket = socket.EndAccept(ar);
                clientStateObject.workSocket.BeginReceive(clientStateObject.buffer, 0, ClientStateObject.BufferSize,
                                                          SocketFlags.None, RecieveCallback, clientStateObject);
            }
            catch (ObjectDisposedException) {
                // Connection is likely closed
            }
        }