/// <summary>
/// Opens the local server for local coyote test processes to connect to.
/// </summary>
internal async Task RunServerAsync()
{
this.WriteLine("Starting telemetry server...");
var resolver = new SmartSocketTypeResolver(typeof(TelemetryEvent), typeof(TelemetryMetric));
var server = SmartSocketServer.StartServer(TelemetryServerEndPoint, resolver, null /* localhost only */, UdpGroupAddress, UdpGroupPort);
server.ClientConnected += this.OnClientConnected;
server.ClientDisconnected += this.OnClientDisconnected;
this.Server = server;
// Here we see the reason for this entire class. In order to allow coyote.exe to terminate quickly
// and not lose telemetry messages, we have to wait a bit to allow the App Insights cloud messages
// to get through, then we can safely terminate this server process.
while (this.Telemetry != null && this.LastEvent + this.ServerTerminateDelay > DateTime.Now)
{
await Task.Delay((int)this.ServerTerminateDelay.TotalMilliseconds);
if (this.PendingEvents)
{
this.WriteLine("Flushing telemetry...");
this.PendingEvents = false;
this.Telemetry.Flush();
this.LastEvent = DateTime.Now; // go around again to give flush time to finish.
}
}
this.Telemetry = null;
}
/// <summary>
/// Opens the local server for TestingProcesses to connect to.
/// If we are not running anything out of process then this does nothing.
/// </summary>
private void StartServer()
{
if (!this.IsRunOutOfProcess)
{
return;
}
var resolver = new SmartSocketTypeResolver(typeof(BugFoundMessage),
typeof(TestReportMessage),
typeof(TestServerMessage),
typeof(TestProgressMessage),
typeof(TestTraceMessage),
typeof(TestReport),
typeof(CoverageInfo),
typeof(Configuration));
var server = SmartSocketServer.StartServer(this.Configuration.TestingSchedulerEndPoint, resolver, this.Configuration.TestingSchedulerIpAddress);
server.ClientConnected += this.OnClientConnected;
server.ClientDisconnected += this.OnClientDisconnected;
server.BackChannelOpened += this.OnBackChannelOpened;
// pass this along to the TestingProcesses.
this.Configuration.TestingSchedulerIpAddress = server.EndPoint.ToString();
IO.Debug.WriteLine($"... Server listening on '{server.EndPoint}'");
this.Server = server;
}
/// <summary>
/// Closes the local server, if we have one.
/// </summary>
private void StopServer()
{
if (this.Server != null)
{
this.Server.Stop();
this.Server = null;
}
}
void Start()
{
SmartSocketServer server = SmartSocketServer.StartServer(Name, new SmartSocketTypeResolver(typeof(ServerMessage), typeof(ClientMessage)));
server.ClientConnected += OnClientConnected;
server.ClientDisconnected += OnClientDisconnected;
server.BackChannelOpened += OnBackChannelOpened;
Console.WriteLine("Press any key to terminate...");
Console.ReadLine();
}
