def send_add(self, service):
broadcast = {"command": "add", "port": self.bus.port,
"service": service.id, "info": service.info}
broadcast = json.dumps(broadcast)
net.sendto(self.sender, broadcast,
("127.255.255.255", constants.broadcast_port))
net.sendto(self.sender, broadcast,
("255.255.255.255", constants.broadcast_port))
def send_remove(self, service):
broadcast = {"command": "remove", "port": self.bus.port,
"service": service.id}
broadcast = json.dumps(broadcast)
# Send remove messages in the opposite order of discover messages
net.sendto(self.sender, broadcast,
("255.255.255.255", constants.broadcast_port))
net.sendto(self.sender, broadcast,
("127.255.255.255", constants.broadcast_port))
def send_initial_requests(self):
for delay in constants.query_initial_intervals:
for i in range(int(delay*10.0)): # Sleep in 100ms blocks so that if the
# discoverer is shut down in the middle, we'll terminate fairly
# quickly
time.sleep(0.1)
if not self.running:
return
net.sendto(self.sender, json.dumps({"command": "query"}),
("127.255.255.255", constants.broadcast_port))
net.sendto(self.sender, json.dumps({"command": "query"}),
("255.255.255.255", constants.broadcast_port))