protected override Task <CompilationUnitSyntax> GenerateCompilationUnit(Document sourceDocument)
{
if (TargetFrameworkName == null)
{
throw new CodeGeneratorException($"Unable to determine the Target Framework for the project.");
}
return(EventSourceGenerator.GenerateEventSourceImplementations(sourceDocument, TargetFrameworkName));
}
public /* will not be part of web service itself */ void SensorySync_Handler(WebServiceHandler h)
{
// X:\jsc.svn\examples\javascript\ServerSideEventExperiment\ServerSideEventExperiment\ApplicationWebService.cs
var Accepts = h.Context.Request.Headers["Accept"];
if (Accepts != null)
{
if (Accepts.Contains(EventSourceGenerator.ContentType))
{
var s = new EventSourceGenerator(h);
// lets start talking to db
new SensorySync().With(
SensorySync =>
{
if (s.id == 0)
{
// ah. first time.
// lets ask the database then.
var last_ms = SensorySync.Last();
if (last_ms > 0)
{
s.id = last_ms;
// well the database gave as the last id.
// for the client
// ther will be no data until new events tho
}
else
{
// well the client doesnt know
// and the database is empty.
// tell the client to come back at a later time
s.retry = 1000;
h.CompleteRequest();
return;
}
}
s.retry = 1000 / 20;
var DoNextFrame = true;
var RetryCount = 60;
Action AtFrame = delegate
{
// wait for next frame
DoNextFrame = false;
Thread.Sleep(s.retry);
SensorySync.Sum(s.id,
reader =>
{
// can we use dynamic xelement here instead?
long
last_ms = reader.ms,
x = reader.x,
y = reader.y,
goleft = reader.goleft,
goup = reader.goup,
goright = reader.goright,
godown = reader.godown;
if (last_ms > 0)
{
s["status"]("found input!");
var data = new XElement("yield",
// can xattribute support long?
new XAttribute("last_ms", "" + last_ms),
new XAttribute("x", "" + x),
new XAttribute("y", "" + y),
new XAttribute("goleft", "" + goleft),
new XAttribute("goup", "" + goup),
new XAttribute("goright", "" + goright),
new XAttribute("godown", "" + godown)
);
DoNextFrame = true;
s.id = last_ms;
s.postMessage(data);
}
else
{
s["status"]("waiting for new input...");
if (RetryCount > 0)
{
RetryCount--;
DoNextFrame = true;
}
// try again at the next frame?
}
}
);
};
while (DoNextFrame)
{
AtFrame();
}
//Thread.Sleep(1000);
h.CompleteRequest();
}
);
return;
}
}
}
