def start_message_bus_client(service, bus=None, whitelist=None):
"""Start the bus client daemon and wait for connection.
Arguments:
service (str): name of the service starting the connection
bus (MessageBusClient): an instance of the Mycroft MessageBusClient
whitelist (list, optional): List of "type" strings. If defined, only
messages in this list will be logged.
Returns:
A connected instance of the MessageBusClient
"""
# Local imports to avoid circular importing
from mycroft.messagebus.client import MessageBusClient
from mycroft.configuration import Configuration
# Create a client if one was not provided
if bus is None:
bus = MessageBusClient()
Configuration.set_config_update_handlers(bus)
bus_connected = Event()
bus.on('message', create_echo_function(service, whitelist))
# Set the bus connected event when connection is established
bus.once('open', bus_connected.set)
create_daemon(bus.run_forever)
# Wait for connection
bus_connected.wait()
LOG.info('Connected to messagebus')
return bus
def _start_message_bus_client():
"""Start the bus client daemon and wait for connection."""
bus = MessageBusClient()
Configuration.set_config_update_handlers(bus)
bus_connected = Event()
bus.on('message', create_echo_function('SKILLS'))
# Set the bus connected event when connection is established
bus.once('open', bus_connected.set)
create_daemon(bus.run_forever)
# Wait for connection
bus_connected.wait()
LOG.info('Connected to messagebus')
return bus
def main():
global bus
reset_sigint_handler()
# Create PID file, prevent multiple instancesof this service
mycroft.lock.Lock('skills')
# Connect this Skill management process to the Mycroft Messagebus
bus = MessageBusClient()
Configuration.init(bus)
config = Configuration.get()
# Set the active lang to match the configured one
set_active_lang(config.get('lang', 'en-us'))
bus.on('message', create_echo_function('SKILLS'))
# Startup will be called after the connection with the Messagebus is done
bus.once('open', _starting_up)
create_daemon(bus.run_forever)
wait_for_exit_signal()
shutdown()
