found some other strange things too. :)
even after statistics.stopGatheringStatistics() I can see
com.sun.grizzly.util.WorkerThreadImpl
threads running, causing the app to hang instead of shutting down.
even more interestingly this happens if I dont start GrizzlyWebServer.
Should I call startGatheringStatistics() only on a running instance?
does it still needs JMX? I saw Jean-Francois fix some stat dependency
on JMX,..
Thanks,
Zoltan
Zoltan Arnold NAGY wrote:
> Hi all,
>
> I've started using grizzly in my project, and for that I have written
> an adapter
> to print out statistics.
>
> public class StatisticsAdapter extends GrizzlyAdapter {
> final Statistics statistics;
>
> public StatisticsAdapter(GrizzlyWebServer webserver) {
> statistics = webserver.getStatistics();
> statistics.startGatheringStatistics();
> }
>
> @Override
> public void service(GrizzlyRequest request, GrizzlyResponse
> response) {
> try {
> PrintWriter out = response.getWriter();
> out.println("number of requests since startup: " +
> statistics.getRequestStatistics().getRequestCount());
> out.println("total number of bytes received: " +
> statistics.getRequestStatistics().getBytesReceived());
> out.println("total number of bytes sent: " +
> statistics.getRequestStatistics().getBytesSent());
> out.println("--");
> } catch(IOException e) {
> e.printStackTrace();
> }
> }
> }
>
> then I add it as such:
>
> GrizzlyWebServer ws = new GrizzlyWebServer(PORT);
> ws.addGrizzlyAdapter(new StatisticsAdapter(ws), new String[] {
> "/stat" });
>
> however, it behaves strangely. lets say I download a file of size
> 15962823 from the webserver, then grab /stat with curl:
> "number of requests since startup: 1
> total number of bytes received: 0
> total number of bytes sent: 15958016"
>
> then if I do this 5 more times, then the fifth will look like (so it
> should be the sixth request totally from the server's point of view)
> number of requests since startup: 9
> total number of bytes received: 0
> total number of bytes sent: 31916032
>
> no file was downloaded from the server in the meantime, nor there were
> any requests. both number of requests and
> total number of bytes sent behaves in a totally confusing manner. and
> this is the exact same behaviour for every startup.
>
> what am I doing wrong? :-)
>
> Thanks!
>
> Zoltan
>
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