/// <summary>
        /// 비동기 수신 처리
        /// </summary>
        /// <param name="ar"></param>
        private void ReceiveCallBack(IAsyncResult ar)
        {
            AsyncSocketData asd = (AsyncSocketData)ar.AsyncState;

            try
            {
                // check receive data. size.
                int recv = asd.AsyncSocket.EndReceive(ar);
                if (recv == 0)
                {
                    this.FireClosed();
                }

                //수신된 Data : asd.Buffer
                this.FireReceived(asd.Buffer, recv);

                //Console.WriteLine("EchoServer Received {0} Bytes , {1} ", recv, Encoding.Default.GetString(asd.Buffer, 0, recv));
                cSocket.BeginReceive(asd.Buffer, 0, 8192, SocketFlags.None, new AsyncCallback(ReceiveCallBack), asd);
            }
            catch
            {
                // write exception message.
                //Console.WriteLine(exption.Message);
                // close socket and dispose byte []
                asd.AsyncSocket.Close();
                asd.Buffer = null;

                //Error 이벤트 발생
                this.FireClosed();
            }
        }
 /// <summary>
 /// 수신을 시작한다.
 /// </summary>
 /// <param name="socket">접속된 소켓</param>
 private void ReceiveStart()
 {
     try
     {
         byte[]          buffer = new byte[8192];
         AsyncSocketData ad     = new AsyncSocketData();
         ad.AsyncSocket = cSocket;
         ad.Buffer      = buffer;
         cSocket.BeginReceive(ad.Buffer, 0, 8192, SocketFlags.None, new AsyncCallback(ReceiveCallBack), ad);
     }
     catch
     {
         // 연결 실패를 알린다.
         //OnConnectFailed(ee);
     }
 }
Exemple #3
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        /// <summary>
        /// 수신을 시작한다. 이 메소드는, 클라이언트 측에서는 AsyncConnectCallback() 내에서 사용되고, 서버 측에서는 Accepted 이벤트 함수에서 사용한다.
        /// </summary>
        /// <param name="socket">접속된 소켓</param>
        public void Start(Socket sock)
        {
            try
            {
                mSocket = sock;

                byte[]          buffer = new byte[8192];
                AsyncSocketData ad     = new AsyncSocketData();
                ad.AsyncSocket = mSocket;
                ad.Buffer      = buffer;
                mSocket.BeginReceive(ad.Buffer, 0, 8192, SocketFlags.None, new AsyncCallback(ReceiveCallBack), ad);
            }
            catch
            {
                // 연결 실패를 알린다.
                //OnConnectFailed(ee);
            }
        }
        /// <summary>
        /// 비동기 송신 처리
        /// </summary>
        /// <param name="ar"></param>
        private void SendCallBack(IAsyncResult ar)
        {
            AsyncSocketData asd = (AsyncSocketData)ar.AsyncState;

            try
            {
                if (this.Connected)
                {
                    int send = asd.AsyncSocket.EndSend(ar);
                    if (send == 0)
                    {
                        //Error 이벤트 발생
                        this.FireClosed();
                    }
                }
                else
                {
                }
            }
            catch
            {
                // write exception message.
                if (asd != null)
                {
                    // close socket and dispose byte []
                    if (asd.AsyncSocket != null)
                    {
                        asd.AsyncSocket.Close();
                    }

                    if (asd.Buffer != null)
                    {
                        asd.Buffer = null;
                    }

                    asd = null;

                    //Error 이벤트 발생
                    this.FireClosed();
                }
            }
        }
        /// <summary>
        /// 비동기 송신 시도
        /// </summary>
        /// <param name="data_buffer"></param>
        public void Send(byte[] buffer, int lng)
        {
            AsyncSocketData ad = new AsyncSocketData();

            try
            {
                if (this.Connected)
                {
                    ad.AsyncSocket = cSocket;
                    ad.Buffer      = buffer;

                    cSocket.BeginSend(buffer, 0, lng, SocketFlags.None, new AsyncCallback(SendCallBack), ad);
                    //cSocket.BeginSend(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(SendCallBack), ad);
                }
                else
                {
                }
            }
            catch
            {
            }
        }