fix: add port forward timeout handling in DebugSessionRequestHandler

This commit is contained in:
Neil Dorin 2026-06-12 15:08:34 -06:00
parent 782bb6c057
commit 3974455337
2 changed files with 73 additions and 1 deletions

View file

@ -72,6 +72,20 @@ namespace PepperDash.Core
/// </summary>
public bool IsRunning { get => _httpsServer?.IsListening ?? false; }
/// <summary>
/// Gets a value indicating whether there are active WebSocket connections.
/// </summary>
public bool HasActiveConnections
{
get
{
if (_httpsServer == null || !_httpsServer.IsListening) return false;
var service = _httpsServer.WebSocketServices[_path];
if (service == null) return false;
return service.Sessions.Count > 0;
}
}
private readonly ITextFormatter _textFormatter;
@ -218,6 +232,8 @@ namespace PepperDash.Core
Debug.LogInformation("Starting Websocket Server on port: {0}", port);
Start(port, CertPath, _certificatePassword);
}

View file

@ -18,6 +18,9 @@ namespace PepperDash.Essentials.Core.Web.RequestHandlers
/// </summary>
public class DebugSessionRequestHandler : WebApiBaseRequestHandler
{
private CTimer _portForwardTimeoutTimer;
private readonly object _timerLock = new object();
/// <summary>
/// Constructor
/// </summary>
@ -81,6 +84,7 @@ namespace PepperDash.Essentials.Core.Web.RequestHandlers
else
{
Debug.LogMessage(LogEventLevel.Information, "Port {0} forwarded to CS LAN for debug websocket", port);
StartPortForwardTimeout(port, csIp);
}
}
}
@ -126,6 +130,8 @@ namespace PepperDash.Essentials.Core.Web.RequestHandlers
/// <param name="context"></param>
protected override void HandlePost(HttpCwsContext context)
{
CancelPortForwardTimeout();
var port = Debug.WebsocketSink.Port;
Debug.WebsocketSink.StopServer();
@ -174,5 +180,55 @@ namespace PepperDash.Essentials.Core.Web.RequestHandlers
Debug.LogMessage(LogEventLevel.Information, "Websocket Debug Session Stopped");
}
private void StartPortForwardTimeout(int port, string csIp)
{
lock (_timerLock)
{
_portForwardTimeoutTimer?.Dispose();
_portForwardTimeoutTimer = new CTimer(_ =>
{
if (Debug.WebsocketSink.HasActiveConnections)
{
Debug.LogMessage(LogEventLevel.Debug, "Debug websocket has active connections; keeping port forward");
return;
}
Debug.LogMessage(LogEventLevel.Information, "No debug websocket connection within 30 seconds; removing port forward for port {0}", port);
try
{
var result = CrestronEthernetHelper.RemovePortForwarding(
(ushort)port, (ushort)port, csIp,
CrestronEthernetHelper.ePortMapTransport.TCP);
if (result != CrestronEthernetHelper.PortForwardingUserPatRetCodes.NoErr)
{
Debug.LogMessage(LogEventLevel.Warning, "Error removing port forwarding on timeout: {0}", result);
}
else
{
Debug.LogMessage(LogEventLevel.Information, "Port forwarding for port {0} removed due to timeout", port);
}
}
catch (Exception ex)
{
Debug.LogMessage(LogEventLevel.Warning, "Error removing port forwarding on timeout: {0}", ex.Message);
}
}, 30000);
}
}
/// <summary>
/// Cancels the port forward timeout timer if a session is being explicitly stopped.
/// </summary>
private void CancelPortForwardTimeout()
{
lock (_timerLock)
{
_portForwardTimeoutTimer?.Dispose();
_portForwardTimeoutTimer = null;
}
}
}
}