def run(self):
"""
brief info for: thread run method
"""
#print "starting broadcast_manager!"
self._logger.debug("starting broadcast_manager!")
if get_node_handler() is not None:
self._name = get_node_handler().name
while get_node_handler().uri is None:
time.sleep(0.0001)
self._uri = get_node_handler().uri
self._logger.debug("self.name:%s" % self._name)
self._logger.debug("self.uri:%s" % self._uri)
self._register_node()
#self.requestParam()
while True:
try:
msg = self._participant.read_msg()
if msg is None:
continue
if(len(msg) > 0):
data = self._unpack_msg(msg.strip())
if self._name == data[NODE_NAME] \
and data[REQUEST_TYPE] == "registerNode" \
and self._uri != data[XMLRPC_URI] \
and int(data[HEADER_OFFSET]) > int(self._node_time):
signal_shutdown("it has already same name node, exit it now.")
continue
self._logger.debug("recv data: %s " % data)
#print("recv data: %s " % data)
if data[REQUEST_TYPE] in self.callback:
self._registerNodeCallback(data)
cb = '_' + data[REQUEST_TYPE] + "Callback"
func = getattr(self, cb)
func(data)
pass
else:
self._logger.error("[broadcast_manager] invalid request type: %s" % data[REQUEST_TYPE])
else:
time.sleep(0.005)
except Exception as e:
self._logger.error("broadcast_manager thread error is %s" % e)
finally:
pass
def run(self):
"""
brief info for: thread run method
"""
self._logger.debug("starting broadcast_manager!")
self._register_node()
while True:
try:
msg = self._participant.read_msg()
if msg is None:
continue
if(len(msg) > 0):
data = self._unpack_msg(msg.strip())
if self._name == data[NODE_NAME]:
if data[REQUEST_TYPE] == "registerNode" \
and self._uri != data[XMLRPC_URI] \
and int(data[NODE_TIME]) > int(self._node_time):
signal_shutdown("it has already same name node, exit it now.")
continue
self._logger.debug("recv data: %s " % data)
cb = '_' + data[REQUEST_TYPE] + "Callback"
try:
func = getattr(self, cb)
func(data)
except AttributeError:
pass
else:
time.sleep(0.005)
except Exception as e:
self._logger.error("[broadcast_manager] Unexpected error: %s" % e)
finally:
pass
def start(self, uri, master_uri):
"""
Start the RegManager. This should be passed in as an argument to a thread
starter as the RegManager is designed to spin in its own thread
@param uri: URI of local node
@type uri: str
@param master_uri: Master URI
@type master_uri: str
"""
self.registered = False
self.master_uri = master_uri
self.uri = uri
first = True
tm = get_topic_manager()
sm = get_service_manager()
ns = get_namespace()
caller_id = get_caller_id()
if not master_uri or master_uri == uri:
registered = True
master = None
else:
registered = False
master = xmlrpcapi(master_uri)
self.logger.info("Registering with master node %s", master_uri)
while not registered and not is_shutdown():
try:
try:
# prevent TopicManager and ServiceManager from accepting registrations until we are done
tm.lock.acquire()
sm.lock.acquire()
pub, sub, srv = tm.get_publications(), tm.get_subscriptions(), sm.get_services()
for resolved_name, data_type in pub:
self.logger.info("Registering publisher topic [%s] type [%s] with master", resolved_name, data_type)
code, msg, val = master.registerPublisher(caller_id, resolved_name, data_type, uri)
if code != 1:
logfatal("cannot register publication topic [%s] with master: %s"%(resolved_name, msg))
signal_shutdown("master/node incompatibility with register publisher")
for resolved_name, data_type in sub:
self.logger.info("registering subscriber topic [%s] type [%s] with master", resolved_name, data_type)
code, msg, val = master.registerSubscriber(caller_id, resolved_name, data_type, uri)
if code != 1:
logfatal("cannot register subscription topic [%s] with master: %s"%(resolved_name, msg))
signal_shutdown("master/node incompatibility with register subscriber")
else:
self.publisher_update(resolved_name, val)
for resolved_name, service_uri in srv:
self.logger.info("registering service [%s] uri [%s] with master", resolved_name, service_uri)
code, msg, val = master.registerService(caller_id, resolved_name, service_uri, uri)
if code != 1:
logfatal("cannot register service [%s] with master: %s"%(resolved_name, msg))
signal_shutdown("master/node incompatibility with register service")
registered = True
# Subscribe to updates to our state
get_registration_listeners().add_listener(self)
finally:
sm.lock.release()
tm.lock.release()
if pub or sub:
logdebug("Registered [%s] with master node %s", caller_id, master_uri)
else:
logdebug("No topics to register with master node %s", master_uri)
except Exception as e:
if first:
# this use to print to console always, arguable whether or not this should be subjected to same configuration options as logging
logerr("Unable to immediately register with master node [%s]: master may not be running yet. Will keep trying."%master_uri)
first = False
time.sleep(0.2)
self.registered = True
self.run()