class API :
EVENT_IP = '239.192.0.100'
EVENT_PORT = 9998
def __init__(self, node) :
self._events = EventPubSub(self.EVENT_IP, self.EVENT_PORT)
self._events.start()
self._node = node
def get_event_channel(self) :
return self._events
def send(self, iface, dest, message) :
self._events.publish(Event('SENT', Model(src=self._node.get_name(), dest=dest, message=message,
ssid=iface.get('ssid'))))
def recv(self, iface, cb) :
self._events.subscribe('RECV', self._on_message, iface=iface, user_cb=cb)
def _on_message(self, event, args) :
if event.get_model().get('dest') == self._node.get_name() and event.get_model().get('ssid') == args['iface'].get('ssid') :
user_cb = args['user_cb']
user_cb(event.get_model().get('src'), event.get_model().get('message'), args['iface'])
def set_position(self, pos) :
self.get_event_channel().publish(Event('MOVEREQ', Model(pos=pos, name=self._node.get_name())))
def get_position(self) :
return self._node.get_position()