def main():
"""
Run as a utility for launching Turk Core
usage: turkctl.py start|stop
"""
parser = OptionParser("usage: %prog [options] <start|stop|restart|clean>")
parser.add_option("-f",
"--config-file",
dest="config",
type="string",
default='/etc/turk/turk.yml',
help="default configuration file")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("incorrect number of arguments")
conf = yaml.load(open(options.config, 'rU'))
os.environ['TURK_CONF'] = options.config
global log
log = init_logging('turkctl', conf, debug=get_config('turkctl.debug'))
{
'start': start,
'stop': stop,
'restart': lambda conf: (stop(conf), start(conf)),
'clean': clean
}[args[0]](conf)
def clean(conf):
"""Deletes any data associated with improperly stopped Turk Core"""
pidfile_path = get_config('turkctl.pidfile', conf)
if os.path.exists(pidfile_path):
log.debug('Removing old pidfile...')
os.unlink(pidfile_path)
else:
log.debug('No pidfile to remove!')
def clean(conf):
"""Deletes any data associated with improperly stopped Turk Core"""
pidfile_path = get_config('turkctl.pidfile', conf)
if os.path.exists(pidfile_path):
log.debug('Removing old pidfile...')
os.unlink(pidfile_path)
else:
log.debug('No pidfile to remove!')
def run(conf='/etc/turk/turk.yml'):
global BUS_NAME
if isinstance(conf, basestring):
try:
conf = yaml.load(open(conf, 'rU'))['xbeed']
except Exception:
log.debug( 'failed opening configuration file "%s"' % (conf))
exit(1)
log = turk.init_logging('xbeed', conf, debug=get_config('xbeed.debug'))
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = getattr(dbus, get_config('global.bus', conf))()
BUS_NAME = dbus.service.BusName(XBEED_SERVICE, bus)
daemon = XBeeDaemon(*get_configs(('name', 'port', 'escaping', 'baudrate'), conf, 'xbeed'))
mainloop = gobject.MainLoop()
mainloop.run()
def run(conf='/etc/turk/turk.yml'):
global BUS_NAME
if isinstance(conf, basestring):
try:
conf = yaml.load(open(conf, 'rU'))['xbeed']
except Exception:
log.debug('failed opening configuration file "%s"' % (conf))
exit(1)
log = turk.init_logging('xbeed', conf, debug=get_config('xbeed.debug'))
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = getattr(dbus, get_config('global.bus', conf))()
BUS_NAME = dbus.service.BusName(XBEED_SERVICE, bus)
daemon = XBeeDaemon(
*get_configs(('name', 'port', 'escaping', 'baudrate'), conf, 'xbeed'))
mainloop = gobject.MainLoop()
mainloop.run()
def start(conf):
"""
Starts the Turk Core as a background process.
"""
pidfile_path = get_config('turkctl.pidfile', conf)
if os.path.exists(pidfile_path):
print 'File "%s" exists - Is Turk Core already running?' % pidfile_path
exit(-1)
pidfile = open(pidfile_path, 'w')
pid = os.fork()
if not pid:
# Controller process
try:
log.debug('starting spawner...')
spawner = multiprocessing.Process(target=run_spawner,
args=(conf, ),
name='spawner')
spawner.start()
log.debug('starting bridge...')
bridge = multiprocessing.Process(target=run_bridge, args=(conf, ))
bridge.start()
if conf.has_key('xbeed'):
log.debug('starting xbeed...')
xbeed = multiprocessing.Process(target=run_xbeed,
args=(conf, ))
xbeed.start()
except Exception, e:
log.debug('turkctl: error starting Turk: %s' % e)
os.unlink(pidfile_path)
exit(-1)
def finished(*args):
log.debug('stopping Turk...')
spawner.terminate()
bridge.terminate()
if conf.has_key('xbeed'):
xbeed.terminate()
exit(0)
signal.signal(signal.SIGTERM, finished)
while 1:
# Just do nothing until terminated by turkctl
sleep(1)
def start(conf):
"""
Starts the Turk Core as a background process.
"""
pidfile_path = get_config('turkctl.pidfile', conf)
if os.path.exists(pidfile_path):
print 'File "%s" exists - Is Turk Core already running?' % pidfile_path
exit(-1)
pidfile = open(pidfile_path, 'w')
pid = os.fork()
if not pid:
# Controller process
try:
log.debug('starting spawner...')
spawner = multiprocessing.Process(target=run_spawner, args=(conf,), name='spawner')
spawner.start()
log.debug('starting bridge...')
bridge = multiprocessing.Process(target=run_bridge, args=(conf,))
bridge.start()
if conf.has_key('xbeed'):
log.debug('starting xbeed...')
xbeed = multiprocessing.Process(target=run_xbeed, args=(conf,))
xbeed.start()
except Exception, e:
log.debug('turkctl: error starting Turk: %s' % e)
os.unlink(pidfile_path)
exit(-1)
def finished(*args):
log.debug('stopping Turk...')
spawner.terminate()
bridge.terminate()
if conf.has_key('xbeed'):
xbeed.terminate()
exit(0)
signal.signal(signal.SIGTERM, finished)
while 1:
# Just do nothing until terminated by turkctl
sleep(1)
def stop(conf):
"""
Reads the PID file left by start() and sends SIGTERM to all of the daemon
processes that make up the runtime
"""
print 'stopping Turk...'
pidfile_path = get_config('turkctl.pidfile', conf)
if not os.path.exists(pidfile_path):
print 'Couldn\'t find pidfile! Is Turk REALLY running?'
return
# Get pids from file
pidfile = open(pidfile_path, 'rU')
# Kill all the Turk processes (should be one pid per line)
[terminate(pid) for pid in pidfile]
os.unlink(pidfile_path)
pidfile.close()
def stop(conf):
"""
Reads the PID file left by start() and sends SIGTERM to all of the daemon
processes that make up the runtime
"""
print 'stopping Turk...'
pidfile_path = get_config('turkctl.pidfile', conf)
if not os.path.exists(pidfile_path):
print 'Couldn\'t find pidfile! Is Turk REALLY running?'
return
# Get pids from file
pidfile = open(pidfile_path, 'rU')
# Kill all the Turk processes (should be one pid per line)
[terminate(pid) for pid in pidfile]
os.unlink(pidfile_path)
pidfile.close()
def main():
"""
Run as a utility for launching Turk Core
usage: turkctl.py start|stop
"""
parser = OptionParser("usage: %prog [options] <start|stop|restart|clean>")
parser.add_option("-f", "--config-file", dest="config", type="string", default='/etc/turk/turk.yml',
help="default configuration file")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("incorrect number of arguments")
conf = yaml.load(open(options.config, 'rU'))
os.environ['TURK_CONF'] = options.config
global log
log = init_logging('turkctl', conf, debug=get_config('turkctl.debug'))
{'start':start,
'stop':stop,
'restart':lambda conf: (stop(conf), start(conf)),
'clean':clean}[args[0]](conf)
self.xbee.SendData(dbus.ByteArray(msg), dbus.UInt64(self.device_addr), 2)
except Exception, e:
# emit an error signal for bridge
self.Error(e.message)
print e
def run(self):
loop = gobject.MainLoop()
loop.run()
@dbus.service.signal(dbus_interface=TURK_DRIVER_ERROR, signature='s')
def Error(self, message):
""" Called when an error/exception occurs. Emits a signal for any relevant
system management daemons and loggers """
pass
# Run as a standalone driver
if __name__ == '__main__':
import os
device_id = int(os.getenv('DEVICE_ID'))
device_addr = int(os.getenv('DEVICE_ADDRESS'), 16)
bus = os.getenv('BUS', turk.get_config('global.bus'))
print "RGB Lamp driver started... driver id: %u, target xbee: 0x%X" % (device_id, device_addr)
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
driver = RGBLamp(device_id, device_addr, getattr(dbus, bus)())
driver.run()
def run(self):
loop = gobject.MainLoop()
loop.run()
@dbus.service.signal(dbus_interface=turk.TURK_DRIVER_ERROR, signature='s')
def error(self, message):
""" Called when an error/exception occurs. Emits a signal for any relevant
system management daemons and loggers """
print message
# Run as a standalone driver
if __name__ == '__main__':
import os
try:
driver_id = int(os.getenv('DRIVER_ID'))
except Exception:
#TODO: find better way of returning error (dbus?)
print 'TwitterFeed: error parsing environment variables'
exit(1)
bus = os.getenv('BUS', turk.get_config('global.bus'))
print "TwitterFeed driver started... app id: %u" % (driver_id)
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
driver = TwitterFeed(driver_id, getattr(dbus, bus)())
driver.run()
