def gst_mainloop_thread(self):
try:
self.mainloop = GLib.MainLoop()
self.mainloop.run()
log.debug('gst mainloop exits')
except:
util.die('caught a gst mainloop exception, exiting..', 1, True)
def start():
"""
Use the run_server.py script in ./src
"""
try:
parser = argparse.ArgumentParser('Ludit client')
parser.add_argument('--newcfg',
action='store_true',
dest='newcfg',
help='dump template configuration file to stdout')
parser.add_argument('--cfg',
dest='cfg',
help='configuration file to use')
parser.add_argument('--verbose',
action='store_true',
help='enable more logging')
args = parser.parse_args()
util.get_pid_lock('ludit_server')
if args.verbose:
log.setLevel(logging.DEBUG)
if args.newcfg:
config = json.dumps(generate_config(), indent=4, sort_keys=True)
print(config)
exit(0)
def ctrl_c_handler(_, __):
try:
print(' ctrl-c handler')
if _server:
log.info('terminating by user')
_server.terminate()
log.debug('terminate done, waiting..')
_server.join()
sys.exit(1)
except Exception as e:
log.critical('ctrl-c handler got ' + str(e))
def ignore(_, __):
pass
signal.signal(signal.SIGINT, ctrl_c_handler)
signal.signal(signal.SIGPIPE, ignore)
_server = None
_server = Server(args.cfg)
_server.join()
log.info('server exiting')
except Exception as e:
if args.verbose:
print(traceback.format_exc())
util.die('server exception: %s' % str(e))
def multicast_rx(self, message):
command = message['command']
if command == 'server_socket':
if not self.socket:
endpoint = message['endpoint']
if endpoint == "None":
log.critical("server refused the connection (check the group and device name)")
time.sleep(1)
util.die('exiting..', 1, True)
log.info('server found, connecting to %s' % endpoint)
self.server_endpoint = util.split_tcp(endpoint)
self.start_socket()
def load_configuration(configuration_file):
try:
with open(configuration_file) as f:
configuration = json.loads(f.read())
version = configuration.get('version')
log.info('loaded configuration %s' % configuration_file)
if version != util.CONFIG_VERSION:
util.die('expected configuration version %s but found version %s' % (util.CONFIG_VERSION, version))
except Exception:
log.warning('no configuration file specified (--cfg), using defaults')
configuration = generate_config()
return configuration
def load_configuration(self):
try:
with open(self.configuration_file) as f:
self.configuration = json.loads(f.read())
version = self.configuration.get('version')
log.info('loaded configuration %s' % self.configuration_file)
if version != util.CONFIG_VERSION:
util.die(
'expected configuration version %s but found version %s'
% (util.CONFIG_VERSION, version))
except Exception:
log.warning(
'no configuration file specified (--cfg), using template configuration'
)
self.configuration = generate_config()
def load_configuration(self):
try:
with open(self.configuration_file) as f:
self.configuration = json.loads(f.read())
version = self.configuration.get('version')
log.info('loaded configuration %s' % self.configuration_file)
if version != util.CONFIG_VERSION:
util.die(
'expected configuration version %s but found version %s'
% (util.CONFIG_VERSION, version))
except json.JSONDecodeError as e:
util.die(f'got fatal error loading configuration file "{e}"')
except Exception as e:
print(str(e))
log.warning(
'no configuration file specified (--cfg), using template configuration'
)
self.configuration = generate_config()