private void CloseSession()
{
if (State == ClientSessionState.Closed)
{
return;
}
_pipe.Close();
State = ClientSessionState.Closed;
_log?.SessionClosed();
}
private ProcessingResult ProcessState()
{
_pipe.ReceiveMessages();
if (!_pipe.IsConnected || _pipe.IsReceiveTimeout())
{
_log?.ConnectionLost();
CloseSession();
return(ProcessingResult.Error(SessionError.ConnectionError));
}
switch (State)
{
case ClientSessionState.Joining:
var joined = ProcessJoiningStateMessages();
if (joined)
{
State = ClientSessionState.WaitingPlayers;
_log?.Joined();
return(ProcessingResult.Joined());
}
break;
case ClientSessionState.WaitingPlayers:
TrySendKeepAlive();
var optMsgStart = ProcessWaitingStateMessages();
if (optMsgStart.HasValue)
{
State = ClientSessionState.Active;
_log?.GameStarted();
return(ProcessingResult.Started(optMsgStart.Value));
}
break;
case ClientSessionState.Active:
var optMsgFinish = ProcessActiveStateMessages();
if (optMsgFinish.HasValue)
{
CloseSession();
_log?.GameFinished();
return(ProcessingResult.Finished(optMsgFinish.Value));
}
TrySendKeepAlive();
return(ProcessingResult.Active());
default:
throw new ArgumentOutOfRangeException();
}
return(ProcessingResult.None());
}
/// <summary>
/// Checks the client session is timeout or not.
/// </summary>
/// <param name="maxSessionTimeout">maximum client session timeout milliseconds</param>
/// <returns>timeout or not</returns>
public bool CheckTimeout(int maxSessionTimeout)
{
bool isTimeout = false;
TimeSpan ts = DateTime.Now.Subtract(SessionLastTime);
int elapsedSeconds = Math.Abs((int)ts.TotalSeconds);
if (elapsedSeconds > maxSessionTimeout)
{
CurrentSessionState = ClientSessionState.Inactive;
isTimeout = true;
}
return(isTimeout);
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientSession"/> class.
/// </summary>
/// <param name="sessionId">The session id.</param>
/// <param name="socket">The socket.</param>
/// <param name="rtspServer">The RtspServer object.</param>
public ClientSession(int sessionId, Socket socket, RtspServer rtspServer)
{
base.ClientSessionId = sessionId;
base.SessionConnectTime = DateTime.Now;
base.SessionLastTime = base.SessionConnectTime;
this.CurrentSessionState = ClientSessionState.Active;
this.rtspServer = rtspServer;
if (socket != null)
{
IPEndPoint iep = socket.RemoteEndPoint as IPEndPoint;
if (iep != null)
{
base.ClientSessionIP = iep.Address.ToString();
base.ClientSessionPort = iep.Port;
}
}
}
/// <summary>
/// Begins tear down the client.
/// </summary>
private void BeginTeardown()
{
CurrentSessionState = ClientSessionState.Inactive;
}
private void UpdateState(ClientSessionState state)
{
_state = state;
StateChanged?.Invoke(this, EventArgs.Empty);
}
