private async Task <bool> StopWebHost()
{
if (this.webHost != null)
{
try
{
await this.webHost.StopAsync(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
}
catch (Exception e)
{
logger.Error("Unhandled exception while stopping the web host instance.", e);
}
finally
{
this.webHost = null;
}
return(true);
}
return(false);
}
public async Task StartAsync(bool restart)
{
bool messageThreadNeededToBeStopped = false;
bool socketNeededToBeClosed = false;
bool webHostNeededToBeStopped = false;
if (restart || this.Port != this.webHost?.Uri.Port)
{
messageThreadNeededToBeStopped = this.StopReceiveMessageThread();
socketNeededToBeClosed = await this.CloseSocket((WebSocketCloseStatus)1012).ConfigureAwait(false);
webHostNeededToBeStopped = await this.StopWebHost().ConfigureAwait(false);
}
// Create a new web host and start it
if (this.webHost == null)
{
this.webHost = new KestrelWebSocketHost <ToastifyWebSocketHostStartup>($"http://localhost:{this.Port}");
try
{
this.webHost.Start();
}
catch (Exception e)
{
if (e.Message.Contains("EADDRINUSE"))
{
this.Port = (uint)GetFreeTcpPort();
this.webHost = new KestrelWebSocketHost <ToastifyWebSocketHostStartup>($"http://localhost:{this.Port}");
this.webHost.Start();
}
else
{
this.webHost = null;
logger.Error("Unhandled exception while starting the web host.", e);
}
}
// Create a new internal socket
if (this.webHost != null && this.socket == null)
{
this.socket = new ClientWebSocket();
if (messageThreadNeededToBeStopped || socketNeededToBeClosed || webHostNeededToBeStopped)
{
logger.Debug($"{nameof(ToastifyBroadcaster)} restarted!");
}
else
{
logger.Debug($"{nameof(ToastifyBroadcaster)} started!");
}
}
}
this.cts?.Dispose();
this.cts = new CancellationTokenSource();
if (this.webHost != null)
{
this.receiveMessageThread = ThreadManager.Instance.CreateThread(this.ReceiveMessageLoop);
this.receiveMessageThread.IsBackground = true;
this.receiveMessageThread.Name = $"{nameof(ToastifyBroadcaster)}_ReceiveMessageThread";
this.receiveMessageThread.Start();
}
}
