Hello, Iwase,
when i interrupt my program by press ctrl+c, and the error msg is as follow:
-------------------------Error msg-----------------------------------------
Traceback (most recent call last):
File "./bin/ryu-manager", line 19, in <module>
main()
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line
101, in main
app_mgr.close()
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
line 514, in close
close_all(self.applications)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
line 511, in close_all
self._close(app)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
line 495, in _close
close_method()
File "/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py",
line 470, in close
hub.joinall(self.threads)
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 89, in
joinall
t.wait()
File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line
168, in wait
return self._exit_event.wait()
File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in
wait
return hubs.get_hub().switch()
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 187,
in switch
return self.greenlet.switch()
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 236,
in run
self.wait(sleep_time)
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/poll.py", line 84,
in wait
presult = self.do_poll(seconds)
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/epolls.py", line 61,
in do_poll
return self.poll.poll(seconds)
-------------------------Error msg-----------------------------------------
what does the function t.wait() wait for?
Thanks,
Ping
2015-06-03 14:34 GMT+08:00 Yusuke Iwase <iwase.yusu...@gmail.com>:
> Hi,
>
> On 2015年05月31日 23:57, 曾惠萍 wrote:
> > Hi,
> >
> > sometime my program is normally work, but sometime it hang up.
> > when i get switch object, sometime it 's hangup and later it show error
> message.
> >
> > *command:*
> > PYTHON=. ./bin/ryu-manager --observe-links ryu/app/address.py
> >
> > *my program as follow:*
> > @handler.set_ev_cls(event.EventLinkAdd)
> > def link_add_handler(self, ev):
> > link = ev.link
> > self.logger.info <http://self.logger.info>("link add:
> %s",link.to_dict())
> > linkarray = link.to_dict()
> >
> > src_sw = api.get_switch(self, link.src.dpid)[0]
> > dst_sw = api.get_switch(self, link.dst.dpid)[0]
> > src_dp = src_sw.dp
> > dst_dp = dst_sw.dp
> > src_parser = src_sw.dp.ofproto_parser
> > dst_parser = dst_sw.dp.ofproto_parser
> >
> > *error message:*
> > hub: uncaught exception: Traceback (most recent call last):
> > File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 52,
> in _launch
> > File
> "/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line
> 70, in __call__
> > self.server_loop()
> > File
> "/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line
> 96, in server_loop
> > server.serve_forever()
> > File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line
> 120, in serve_forever
> > File "/usr/lib/python2.7/dist-packages/eventlet/greenio.py", line 179,
> in accept
> > File "/usr/lib/python2.7/dist-packages/eventlet/greenio.py", line 56,
> in socket_accept
> > File "/usr/lib/python2.7/socket.py", line 202, in accept
> > error: [Errno 24] Too many open files
>
> This message shows that the number of open files per process reached the
> limit, I think.
> Please check the limit of your system (eg. with "ulimit -n" command).
>
> Thanks,
> Iwase
>
> >
> >
> >
> > i think get_switch function is the point.
> > but i don't know how to correct it.
> >
> > Thanks,
> > Ping
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> >
> >
> >
> > _______________________________________________
> > Ryu-devel mailing list
> > Ryu-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/ryu-devel
> >
>
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