/// <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);
}
}
/// <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
{
}
}