"Creating pipes for GWakeup: Too many open files" issue with tcpserversink

[Duzy Chan]

Please ignore this post and forgive my mistake. There no client-added and
client-socket-removed signals because of that there are no tcpclientsrc in
my test case.

Thanks very much.

Best Wishes
Duzy Chan



On Mon, Feb 4, 2013 at 11:33 PM, Duzy Chan <geek at duzy.info> wrote:

> Dear All:
>
> Greeting, people.
>
> I'm writing a app (https://github.com/duzy/gst-switch), which will
> recreate some pipelines with *tcpserversink* elements lots of times. I'm
> now confronting an issue, which is:
>
> GLib-ERROR **: Creating pipes for GWakeup: Too many open files
>
> By hacking into *gsttcpserversink.c* and *gstmultisocketsink.c* in *
> gst-plugins-base*, I found that *tcpserversink* is not closing any client
> sockets it served. Instead, it will issue a "client-socket-removed" signal,
> which allows application code to *close* the FD.
>
> So I should need to close the socket FD by myself to avoid
> too-many-open-files problem.
>
> But I've tried to do these:
>
> g_signal_connect (sink, "*client-socket-removed*",
>       G_CALLBACK (*gst_composite_output_client_socket_removed*),
> composite);
>
> And in the function *gst_composite_output_client_socket_removed*, I
> performs the closing of the socket file descriptor. Which I think should be
> the solution for the too-many-open-files problem.
>
> But I tried many times, it looks like "*client-socket-removed*" was not
> emitted at all. So the callback function was not called.
>
> I've gone through gstmultisocketsink.c many times, it looks that signal is
> not emitted while the state of the element changed from ready into null
> (say *GST_STATE_CHANGE_READY_TO_NULL*).
>
> Does someone got any ideas on the *client-socket-removed* signal of *
> tcpserversink*? Is it a "unimplemented" feature or something else of
> tcpserversink? I will be very much thankful for any tips of it.
>
> Best Regards Sincerely
> Duzy Chan
>
>
>
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