/// <summary>
/// 서버로 부터 메시지를 받음
/// </summary>
/// <param name="socketObject"></param>
private void onSocketReceiveCallback(IAsyncResult socketObject)
{
try
{
// 추가 정보 불러오기
AsyncSocketObject socketResult = (AsyncSocketObject)socketObject.AsyncState;
int receivedBytes = _sck.Client.EndReceive(socketObject);
string message = Encoding.UTF8.GetString(socketResult.buffer, 0, receivedBytes);
if (receivedBytes > 0)
{
// Debug: 테스트를 위해 shutdown 이라는 메시지가 들어오면 임의로 소켓 연결 재설정
if (message != "shutdown")
{
_sck.lastSendtime = DateTime.Now;
messageEvent?.Invoke(this, new messageArgs(message));
AsyncSocketObject newsocketObject = new AsyncSocketObject(_sck.ReceiveBufferSize);
_sck.Client.BeginReceive(newsocketObject.buffer, 0, newsocketObject.buffer.Length, SocketFlags.None, new AsyncCallback(onSocketReceiveCallback), newsocketObject);
return;
}
}
// 소캣 연결 종료 이벤트 발생
_sck.finalTime = DateTime.Now;
lostEvent?.Invoke(this, new lostConnectionArgs("서버 연결 종료됨", _sck.remote, _sck.port));
}
catch (Exception)
{
// 소캣 연결 종료 이벤트 발생
_sck.finalTime = DateTime.Now;
lostEvent?.Invoke(this, new lostConnectionArgs("서버 연결 종료됨", _sck.remote, _sck.port));
}
}
/// <summary>
/// 소켓 메시지를 받음
/// </summary>
private void ListenforMessage()
{
if (_sck.Connected == false)
{
// 소켓이 연결되어 있지 않음
throw new Exceptions.socketConnect("연결이 수립되지 않았습니다.");
}
AsyncSocketObject socketObject = new AsyncSocketObject(_sck.ReceiveBufferSize);
socketObject.WorkingSocket = _sck.Client;
_sck.Client.BeginReceive(socketObject.buffer, 0, socketObject.buffer.Length, SocketFlags.None, new AsyncCallback(onSocketReceiveCallback), socketObject);
}
public void sendMessage(string message)
{
byte[] buffer = Encoding.UTF8.GetBytes(message);
AsyncSocketObject socketObject = new AsyncSocketObject(_sck.ReceiveBufferSize);
socketObject.WorkingSocket = _sck.Client;
socketObject.buffer = buffer;
try
{
_sck.Client.BeginSend(socketObject.buffer, 0, socketObject.buffer.Length, SocketFlags.None, new AsyncCallback(onSocketSendCallback), socketObject);
_sck.lastSendtime = DateTime.Now;
}
catch (Exception)
{
_sck.finalTime = DateTime.Now;
lostEvent?.Invoke(this, new lostConnectionArgs("서버 연결 종료"));
}
}