def send_broadcast_message(payload):
from broadcast import broadcaster_node
from broadcast import broadcast_listener
msg = prepare_broadcast_message(my_id.getLocalID(), payload)
if broadcaster_node.A():
broadcaster_node.A('new-outbound-message', (msg, None))
elif broadcast_listener.A():
if broadcast_listener.A().state == 'OFFLINE':
broadcast_listener.A('connect')
broadcast_listener.A('outbound-message', msg)
else:
lg.warn('nor broadcaster_node(), nor broadcast_listener() exists')
return None
return msg
def stop(self):
from broadcast import broadcaster_node
from broadcast import broadcasters_finder
from broadcast import broadcast_listener
from main.config import conf
broadcasters_finder.A('shutdown')
if broadcaster_node.A() is not None:
broadcaster_node.A().removeStateChangedCallback(
self._on_broadcaster_node_switched)
broadcaster_node.A('shutdown')
if broadcast_listener.A() is not None:
broadcast_listener.A().removeStateChangedCallback(
self._on_broadcast_listener_switched)
broadcast_listener.A('shutdown')
conf().removeConfigNotifier('services/broadcasting/routing-enabled')
return True
def _on_broadcast_routing_enabled_disabled(self, path, value, oldvalue,
result):
from logs import lg
from broadcast import broadcaster_node
from broadcast import broadcast_listener
from broadcast import broadcast_service
lg.out(
2,
'service_broadcasting._on_broadcast_routing_enabled_disabled : %s->%s : %s'
% (oldvalue, value, path))
if not value:
if broadcaster_node.A() is not None:
broadcaster_node.A().removeStateChangedCallback(
self._on_broadcaster_node_switched)
broadcaster_node.A('shutdown')
broadcast_listener.A(
'init', broadcast_service.on_incoming_broadcast_message)
broadcast_listener.A().addStateChangedCallback(
self._on_broadcast_listener_switched)
broadcast_listener.A('connect', self.scope)
else:
if broadcast_listener.A() is not None:
broadcast_listener.A().removeStateChangedCallback(
self._on_broadcast_listener_switched)
broadcast_listener.A('shutdown')
broadcaster_node.A('init',
broadcast_service.on_incoming_broadcast_message)
broadcaster_node.A().addStateChangedCallback(
self._on_broadcaster_node_switched)
def start(self):
from twisted.internet.defer import Deferred
from broadcast import broadcasters_finder
from broadcast import broadcaster_node
from broadcast import broadcast_listener
from broadcast import broadcast_service
from main.config import conf
from main import settings
self.starting_deferred = Deferred()
broadcasters_finder.A('init')
if settings.enableBroadcastRouting():
broadcaster_node.A('init',
broadcast_service.on_incoming_broadcast_message)
broadcaster_node.A().addStateChangedCallback(
self._on_broadcaster_node_switched)
else:
broadcast_listener.A(
'init', broadcast_service.on_incoming_broadcast_message)
broadcast_listener.A().addStateChangedCallback(
self._on_broadcast_listener_switched)
broadcast_listener.A('connect', self.scope)
conf().addConfigNotifier('services/broadcasting/routing-enabled',
self._on_broadcast_routing_enabled_disabled)
return self.starting_deferred
