Hi, On 2015年06月05日 14:37, 曾惠萍 wrote: > 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?
Sorry, I don't know a lot. From the source code, it seems to wait for joining lldp_loop and link_loop threads, the one sends LLDP packets periodically, the other one observes links status. Thanks, Iwase > > Thanks, > Ping > > 2015-06-03 14:34 GMT+08:00 Yusuke Iwase <iwase.yusu...@gmail.com > <mailto: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> > <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 <mailto:Ryu-devel@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/ryu-devel > > > > > > > ------------------------------------------------------------------------------ > > > > _______________________________________________ > Ryu-devel mailing list > Ryu-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ryu-devel > ------------------------------------------------------------------------------ _______________________________________________ Ryu-devel mailing list Ryu-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ryu-devel
