def stop(self):
# NOTE(jkoelker) Stop the idl and event_proxy threads first
# letting them finish their current loop.
self.is_active = False
hub.joinall(self.threads)
self._idl.close()
super(RemoteOvsdb, self).stop()
def start(self):
self.is_active = True
self.sock.settimeout(GLOBAL_CONF.socket_timeout)
self._threads.append(hub.spawn(self._send_loop))
self._threads.append(hub.spawn(self._recv_loop))
self.server.send_event_to_observers(
zserver_event.EventZClientConnected(self))
hub.joinall(self._threads)
self.server.send_event_to_observers(
zserver_event.EventZClientDisconnected(self))
def serve(self):
send_thr = hub.spawn(self._send_loop)
# send hello message immediately
hello = self.ofproto_parser.OFPHello(self)
self.send_msg(hello)
echo_thr = hub.spawn(self._echo_request_loop)
try:
self._recv_loop()
finally:
hub.kill(send_thr)
hub.kill(echo_thr)
hub.joinall([send_thr, echo_thr])
self.is_active = False
def main(args=None, prog=None):
_parse_user_flags()
try:
CONF(args=args, prog=prog,
project='os_ken', version='osken-manager %s' % version,
default_config_files=['/usr/local/etc/os_ken/os_ken.conf'])
except cfg.ConfigFilesNotFoundError:
CONF(args=args, prog=prog,
project='os_ken', version='osken-manager %s' % version)
log.init_log()
logger = logging.getLogger(__name__)
if CONF.enable_debugger:
msg = 'debugging is available (--enable-debugger option is turned on)'
logger.info(msg)
else:
hub.patch(thread=True)
if CONF.pid_file:
with open(CONF.pid_file, 'w') as pid_file:
pid_file.write(str(os.getpid()))
app_lists = CONF.app_lists + CONF.app
# keep old behavior, run ofp if no application is specified.
if not app_lists:
app_lists = ['os_ken.controller.ofp_handler']
app_mgr = AppManager.get_instance()
app_mgr.load_apps(app_lists)
contexts = app_mgr.create_contexts()
services = []
services.extend(app_mgr.instantiate_apps(**contexts))
webapp = wsgi.start_service(app_mgr)
if webapp:
thr = hub.spawn(webapp)
services.append(thr)
try:
hub.joinall(services)
except KeyboardInterrupt:
logger.debug("Keyboard Interrupt received. "
"Closing OSKen application manager...")
finally:
app_mgr.close()
def run_apps(app_lists):
"""Run a set of OSKen applications
A convenient method to load and instantiate apps.
This blocks until all relevant apps stop.
"""
app_mgr = AppManager.get_instance()
app_mgr.load_apps(app_lists)
contexts = app_mgr.create_contexts()
services = app_mgr.instantiate_apps(**contexts)
try:
hub.joinall(services)
finally:
app_mgr.close()
for t in services:
t.kill()
hub.joinall(services)
gc.collect()
def _bulk_read_handler(self, ev):
results = []
def done(gt, *args, **kwargs):
if gt in self.threads:
self.threads.remove(gt)
results.append(gt.wait())
threads = []
for c in self._clients.values():
gt = hub.spawn(c.read_request_handler, ev, bulk=True)
threads.append(gt)
self.threads.append(gt)
gt.link(done)
hub.joinall(threads)
rep = event.EventReadReply(None, results)
self.reply_to_request(ev, rep)
def start(self):
self.is_active = True
try:
self.sock = create_connection(self.client.zserv_addr)
except socket.error as e:
self.logger.exception('Cannot connect to Zebra server%s: %s',
self.client.zserv_addr, e)
self.stop()
return None
self.sock.settimeout(GLOBAL_CONF.socket_timeout)
self.threads.append(hub.spawn(self._send_loop))
self.threads.append(hub.spawn(self._recv_loop))
# Send the following messages at starting connection.
# - ZEBRA_HELLO to register route_type
# - ZEBRA_ROUTER_ID_ADD to get router_id
# - ZEBRA_INTERFACE_ADD to get info for interfaces
self.client.send_msg(
zebra.ZebraMessage(version=self.client.zserv_ver,
body=zebra.ZebraHello(
route_type=self.client.route_type,
instance=0)))
self.client.send_msg(
zebra.ZebraMessage(version=self.client.zserv_ver,
body=zebra.ZebraRouterIDAdd()))
self.client.send_msg(
zebra.ZebraMessage(version=self.client.zserv_ver,
body=zebra.ZebraInterfaceAdd()))
self.client.send_event_to_observers(
zclient_event.EventZServConnected(self))
hub.joinall(self.threads)
self.client.send_event_to_observers(
zclient_event.EventZServDisconnected(self))
def close(self):
self.is_active = False
if self.link_discovery:
self.lldp_event.set()
self.link_event.set()
hub.joinall(self.threads)
def stop(self):
if self.main_thread:
hub.kill(self.main_thread)
self.is_active = False
self._send_event(self._event_stop, None)
hub.joinall(self.threads)
def stop(self):
super().stop()
if self.is_active():
hub.kill(self.thread)
hub.joinall([self.thread])
self.thread = None
def cancel(self):
if self._thread is None:
return
self._event.set()
hub.joinall([self._thread])
self._thread = None
def stop(self):
if self.thread is not None:
hub.kill(self.thread)
hub.joinall([self.thread])
self.thread = None
