/// <summary>
/// 세션을 초기화 한다
/// 세션은 재활용될 수 있으므로 재활용을 고려하여야 한다
/// </summary>
/// <param name="info">초기화시 정보</param>
public void Init(SessionInitializeInfo info)
{
_receivedPacketQueue = new BufferBlock <NetPacket>();
_cts = new CancellationTokenSource();
int low = Guid.NewGuid().GetHashCode();
long high = (long)Guid.NewGuid().GetHashCode() << 32;
_connectId = (long)low | high;
State = SessionState.Initialized;
if (_tcpChannel != null)
{
_tcpChannel.Init(_cts);
_tcpChannel.SetSocket(info.AcceptedTcpSocket);
}
if (_udpChannel != null)
{
_udpChannel.Init(_cts);
_udpChannel.SetSocket(info.UdpServiceSocket);
}
}
/// <summary>
/// 서버로 연결을 시도합니다
/// </summary>
/// <param name="timeout">타임아웃</param>
/// <returns>성공여부</returns>
public async Task <bool> ConnectAsync(TimeSpan?timeout = null)
{
if (_socket != null || State != SessionState.Closed)
{
return(false);
}
try
{
State = SessionState.Initialized;
TimeSpan currentTimeout = timeout ?? TimeSpan.FromSeconds(10);
_cts = new CancellationTokenSource();
_serverEndPoint = NetUtil.GetEndPoint(_clientOption.TcpServerAddress, _clientOption.TcpServerPort);
_serverUdpEndPoint = NetUtil.GetEndPoint(_clientOption.UdpServerAddress, _clientOption.UdpServerPort);
if (_clientOption.IsServiceUdp)
{
_udpSocket = new UdpSocketEx(
_loggerFactory.CreateLogger("ClientUdpSocket"),
OnPreProcessUdpRawData,
UdpSocketReceiveRawAsyncObject);
_udpSocket.CreateClient();
}
_isUdpConnected = false;
_socket = new Socket(SocketType.Stream, ProtocolType.Tcp);
await _socket.ConnectAsync(_serverEndPoint).TimeoutAfter(currentTimeout);
if (_socket.Connected == false)
{
_logger.LogInformation("Fail to connect");
State = SessionState.Closed;
_socket.Close();
_socket = null;
return(false);
}
if (_tcpChannel != null)
{
_tcpChannel.Init(_cts);
_tcpChannel.PacketReceived = OnReceiveFromChannel;
_tcpChannel.SetSocket(_socket);
}
if (_udpChannel != null)
{
_udpChannel.Init(_cts);
_udpChannel.PacketReceived = OnReceiveFromChannel;
if (_udpSocket != null)
{
_udpChannel.SetSocket(_udpSocket);
_udpChannel.LocalEndPoint = _udpSocket.GetLocalEndPoint();
}
}
RunAsync().DoNotAwait();
if (_clientOption.IsServiceUdp)
{
currentTimeout = TimeSpan.FromSeconds(10);
while (IsUdpConnected == false && State == SessionState.Initialized)
{
await Task.Delay(100);
currentTimeout -= TimeSpan.FromMilliseconds(100);
if (currentTimeout < TimeSpan.FromMilliseconds(0))
{
throw new Exception("udp connection timeout");
}
}
}
OnSessionConnected();
_logger.LogInformation("Connect succeed");
return(true);
}
catch (Exception ex)
{
OnError(ex);
Close();
}
State = SessionState.Closed;
return(false);
}