/// <summary>
/// Launches the data server asynchronously, and optionally waits until it is ready to serve requests before returning
/// </summary>
public Task LaunchServer(string coordName, CancellationToken cancelToken, bool blockUntilReady, bool restartOnDisconnect)
{
Semaphore s = blockUntilReady ? DataServer.BuildNamedSingletonSemaphore(coordName) : null;
Task t = RunServerAsync(coordName, cancelToken, restartOnDisconnect);
if (blockUntilReady)
{
s.WaitOne();
}
return(t);
}
public CcdCam(string pipeName)
{
if (!DataServer.IsRunning(pipeName))
{
this.externalDataServer = DataServer.LaunchExternal(pipeName, waitUntilReady: true);
}
cameraReader = new CameraReader <ICameraFlow, RemoteClientCameraFlow>(pipeName, new AcqProtoSerializer());
// ensure we stop the server, if we're the ones who started it
cameraReader.TerminateServerOnStop = (this.externalDataServer != null);
cameraReader.DataSource.NewData += DataSource_NewData;
}
public void StandaloneServerMain(string[] args)
{
Trace.Listeners.Add(new SimpleConsoleTraceListener());
string coordName = DefaultCoordinationName;
if (args.Length > 0)
{
coordName = args[0];
}
Trace.TraceInformation("Standalone data server using coordination name '{0}'", coordName);
CancellationTokenSource cancel = new CancellationTokenSource();
string suffix = "";
string procName = Process.GetCurrentProcess().ProcessName;
if (procName.ToLower().Contains("fake"))
{
suffix = " (FAKE)";
}
Console.Title = string.Format("{0}{1} standalone data server. Press ESC to quit", coordName, suffix);
Task serverTask = LaunchServer(coordName, cancel.Token, blockUntilReady: false, restartOnDisconnect: true);
serverTask.ContinueWith(t =>
{
AggregateException e = t.Exception;
if (e == null)
{
cancel.Cancel();
}
else
{
Console.WriteLine(" = = = = = E R R O R = = = = = ");
foreach (var ee in e.InnerExceptions)
{
Trace.TraceError(ee.Message);
}
if (e.InnerExceptions.Count > 0)
{
Lab.UI.Balloon.ShowBalloon("Data server error", e.InnerExceptions[0].Message);
}
Console.WriteLine("Press ESC to quit");
}
});
DataServer.ConsoleWait(cancel);
Trace.TraceInformation("Standalone server will terminate.");
this.Dispose();
}
