def _run_swarm_manager(args):
containers_config_file = _containers_config_file(args)
containers_conf = parse_containers_config(containers_config_file)
container_conf = _container_conf(containers_conf, args.swarm)
swarm_manager_conf = _swarm_manager_conf(container_conf)
_configure_logging(args, swarm_manager_conf)
docker_interface = build_container_interfaces(containers_config_file, containers_conf=containers_conf)[args.swarm]
pidfile = _swarm_manager_pidfile(swarm_manager_conf)
if not args.foreground:
_swarm_manager_daemon(pidfile, swarm_manager_conf['log_file'], swarm_manager_conf, docker_interface)
else:
if swarm_manager_conf['terminate_when_idle']:
log.info('running in the foreground, disabling automatic swarm manager termination')
swarm_manager_conf['terminate_when_idle'] = False
else:
log.info("running in the foreground")
try:
pidfile.acquire()
except lockfile.AlreadyLocked:
pid = pidfile.read_pid()
try:
os.kill(pid, 0)
log.warning("swarm manager is already running in pid %s", pid)
return
except OSError:
log.warning("removing stale lockfile: %s", pidfile.path)
pidfile.break_lock()
pidfile.acquire()
try:
_swarm_manager(swarm_manager_conf, docker_interface)
finally:
pidfile.release()
def _run_swarm_manager(args):
containers_config_file = _containers_config_file(args)
containers_conf = parse_containers_config(containers_config_file)
container_conf = _container_conf(containers_conf, args.swarm)
swarm_manager_conf = _swarm_manager_conf(container_conf)
_configure_logging(args, swarm_manager_conf)
docker_interface = build_container_interfaces(
containers_config_file, containers_conf=containers_conf)[args.swarm]
pidfile = _swarm_manager_pidfile(swarm_manager_conf)
if not args.foreground:
_swarm_manager_daemon(pidfile, swarm_manager_conf['log_file'],
swarm_manager_conf, docker_interface)
else:
if swarm_manager_conf['terminate_when_idle']:
log.info(
'running in the foreground, disabling automatic swarm manager termination'
)
swarm_manager_conf['terminate_when_idle'] = False
else:
log.info("running in the foreground")
pidfile.acquire()
try:
_swarm_manager(swarm_manager_conf, docker_interface)
finally:
pidfile.release()
def _run_swarm_manager(args):
containers_config_file = _containers_config_file(args)
containers_conf = parse_containers_config(containers_config_file)
container_conf = _container_conf(containers_conf, args.swarm)
swarm_manager_conf = _swarm_manager_conf(container_conf)
_configure_logging(args, swarm_manager_conf)
docker_interface = build_container_interfaces(containers_config_file, containers_conf=containers_conf)[args.swarm]
pidfile = _swarm_manager_pidfile(swarm_manager_conf)
if not args.foreground:
_swarm_manager_daemon(pidfile, swarm_manager_conf['log_file'], swarm_manager_conf, docker_interface)
else:
if swarm_manager_conf['terminate_when_idle']:
log.info('running in the foreground, disabling automatic swarm manager termination')
swarm_manager_conf['terminate_when_idle'] = False
else:
log.info("running in the foreground")
pidfile.acquire()
try:
_swarm_manager(swarm_manager_conf, docker_interface)
finally:
pidfile.release()
def main():
# Option handling
parser = argparse.ArgumentParser(
epilog='ELM327-emulator v' + __version__ +
' - ELM327 OBD-II adapter emulator')
parser.prog = "elm"
parser.add_argument(
'-V',
"--version",
dest='version',
action='store_true',
help="print ELM327-emulator version and exit")
if os.name != 'nt':
parser.add_argument(
'-t',
"--terminate",
dest='terminate',
action='store_true',
help="terminate the daemon process sending SIGTERM")
parser.add_argument(
"-d", "--daemon",
dest = "daemon_mode",
action='store_true',
help = "Run ELM327-emulator in daemon mode. ")
parser.add_argument(
"-b", "--batch",
dest="batch_mode",
type=argparse.FileType('w'),
help="Run ELM327-emulator in batch mode. "
"Argument is the output file. "
"The first line in that file will be the virtual serial device",
default=0,
nargs=1,
metavar='FILE')
parser.add_argument(
'-p', '--port',
dest = 'serial_port',
help = "Set the com0com serial port listened by ELM327-emulator "
"when running under windows OS. Default is COM3.",
default = ['COM3'],
nargs = 1,
metavar = 'PORT'
)
parser.add_argument(
'-a', '--baudrate',
dest = 'serial_baudrate',
type=int,
help = "Set the serial device baud rate used by ELM327-emulator.",
default = None,
nargs = 1,
metavar = 'BAUDRATE'
)
parser.add_argument(
'-s', '--scenario',
dest = 'scenario',
help = "Set the scenario used by ELM327-emulator.",
default = [''],
nargs = 1,
metavar = 'SCENARIO'
)
parser.add_argument(
'-n', '--net',
dest = 'net_port',
type=int,
help = "Set the INET socket port used by ELM327-emulator.",
default = None,
nargs = 1,
metavar = 'INET_PORT'
)
parser.add_argument(
'-H', '--forward_host',
dest = 'forward_net_host',
help = "Set the INET host used by ELM327-emulator."
"when forwarding the client interaction to a remote OBD-II port.",
default = None,
nargs = 1,
metavar = 'INET_FORWARD_HOST'
)
parser.add_argument(
'-N', '--forward_port',
dest = 'forward_net_port',
type=int,
help = "Set the INET socket port used by ELM327-emulator "
"when forwarding the client interaction to a remote OBD-II port.",
default = None,
nargs = 1,
metavar = 'INET_FORWARD_PORT'
)
parser.add_argument(
'-S', '--forward_serial_port',
dest = 'forward_serial_port',
help = "Set the serial device port used by ELM327-emulator "
"when forwarding the client interaction to a serial device.",
default = None,
nargs = 1,
metavar = 'FORWARD_SERIAL_PORT'
)
parser.add_argument(
'-B', '--forward_serial_baudrate',
dest = 'forward_serial_baudrate',
type=int,
help = "Set the device baud rate used by ELM327-emulator "
"when forwarding the client interaction to a serial device.",
default = None,
nargs = 1,
metavar = 'FORWARD_SERIAL_BAUDRATE'
)
parser.add_argument(
'-T', '--forward_timeout',
dest = 'forward_timeout',
type=float,
help = "Set forward timeout as floating number "
"(default is 5 seconds).",
default = None,
nargs = 1,
metavar = 'FORWARD_TIMEOUT'
)
args = parser.parse_args()
if args.version:
print(f'ELM327-emulator version {__version__}.')
sys.exit(0)
# Redirect stdout
if args.batch_mode and not args.batch_mode[0].isatty():
sys.stdout = args.batch_mode[0]
# Instantiate the class
if os.name == 'nt':
args.daemon_mode = False
args.terminate = False
emulator = Elm(
batch_mode=args.batch_mode or args.daemon_mode,
serial_port=args.serial_port[0],
serial_baudrate=args.serial_baudrate[0]
if args.serial_baudrate else None,
net_port=args.net_port[0]
if args.net_port else None,
forward_net_host=args.forward_net_host[0]
if args.forward_net_host else None,
forward_net_port=args.forward_net_port[0]
if args.forward_net_port else None,
forward_serial_port=args.forward_serial_port[0]
if args.forward_serial_port else None,
forward_serial_baudrate = args.forward_serial_baudrate[0]
if args.forward_serial_baudrate else None,
forward_timeout = args.forward_timeout[0]
if args.forward_timeout else None)
if os.name != 'nt':
if os.getuid() == 0:
daemon_pid_fname = DAEMON_PIDFILE_DIR_ROOT + DAEMON_PIDFILE
else:
daemon_pid_fname = DAEMON_PIDFILE_DIR_NON_ROOT + DAEMON_PIDFILE
pidfile = daemon.pidfile.PIDLockFile(daemon_pid_fname)
pid = pidfile.read_pid()
if args.terminate:
if pid:
print(f'Terminating daemon process {pid}.')
try:
Ret = os.kill(pid, signal.SIGTERM)
except Exception as e:
print(f'Error while terminating daemon process {pid}: {e}.')
sys.exit(1)
if Ret:
print(f'Error while terminating daemon process {pid}.')
sys.exit(1)
else:
sys.exit(0)
else:
print('Cannot terminate daemon process: not running.')
sys.exit(0)
if args.batch_mode and args.daemon_mode:
try:
print(emulator.get_pty())
print('ELM327-emulator service STARTED')
if args.scenario[0]:
set_scenario(emulator, args.scenario[0])
emulator.run()
except (KeyboardInterrupt, SystemExit):
emulator.terminate()
print("\nELM327-emulator service ENDED")
sys.exit(0)
if args.daemon_mode and not args.batch_mode:
if pid:
try:
pidfile.acquire()
pidfile.release() # this might occur only in rare contention cases
except AlreadyLocked:
try:
os.kill(pid, 0)
print(f'Process {pid} already running. '
f'Check lockfile "{daemon_pid_fname}".')
sys.exit(1)
except OSError: #No process with locked PID
pidfile.break_lock()
print(f"Previous process {pid} terminated abnormally.")
except NotLocked:
print("Internal error: lockfile", daemon_pid_fname)
context = daemon.DaemonContext(
working_directory=DAEMON_DIR,
umask=DAEMON_UMASK,
pidfile=pidfile,
detach_process=True,
stdout=sys.stdout,
stderr=sys.stderr,
signal_map={
signal.SIGTERM: lambda signum, frame: emulator.terminate(),
signal.SIGINT: lambda signum, frame: emulator.terminate()
}
)
try:
with context:
print('ELM327-emulator daemon service STARTED on ',
emulator.get_pty())
if args.scenario[0]:
set_scenario(emulator, args.scenario[0])
emulator.run()
print("\nELM327-emulator daemon service ENDED")
except LockFailed as e:
print('Internal error: cannot start daemon', e)
sys.exit(1)
sys.exit(0)
if os.name != 'nt' and pid:
print(f'Warning: lockfile "{daemon_pid_fname}" reports pid {pid}.')
p_elm = None
pty_name = None
try:
with emulator as session:
while session.threadState == session.THREAD.STARTING:
time.sleep(0.1)
if args.net_port:
pty_name = "TCP network port " + str(args.net_port[0]) + "."
else:
pty_name = session.get_pty()
if args.batch_mode:
print(pty_name)
sys.stdout.flush()
if session.threadState == session.THREAD.TERMINATED:
print('\nELM327-emulator cannot run. Exiting.\n')
os._exit(1) # does not raise SystemExit
if args.scenario[0]:
set_scenario(session, args.scenario[0])
if pty_name == None:
print("\nCannot start ELM327-emulator.\n")
os._exit(1) # does not raise SystemExit
p_elm = Interpreter(session, args)
if args.batch_mode:
p_elm.cmdloop_with_keyboard_interrupt(
'ELM327-emulator batch mode STARTED\n'
'Begin batch commands.')
else:
p_elm.cmdloop_with_keyboard_interrupt(
'Welcome to the ELM327 OBD-II adapter emulator.\n'
'ELM327-emulator is running on %s\n'
'Type help or ? to list commands.\n' % pty_name)
except (KeyboardInterrupt, SystemExit):
if not args.batch_mode and p_elm:
p_elm.postloop()
print('\n\nExiting.\n')
else:
print("\nELM327-emulator batch mode ENDED")
sys.exit(1)
def main():
# Option handling
parser = argparse.ArgumentParser(
epilog=f"hostp2pd v.{__version__} - The Wi-Fi Direct "
" Session Manager. wpa_cli controller of Wi-Fi "
" Direct connections handled by wpa_supplicant.")
parser.prog = "hostp2pd"
parser.add_argument(
"-V",
"--version",
dest="version",
action="store_true",
help="print hostp2pd version and exit",
)
parser.add_argument(
"-v",
"--verbosity",
dest="verbosity",
action="store_true",
help="print execution logging",
)
parser.add_argument(
"-vv",
"--debug",
dest="debug",
action="store_true",
help="print debug logging information",
)
parser.add_argument(
"-t",
"--terminate",
dest="terminate",
action="store_true",
help="terminate a daemon process sending SIGTERM",
)
parser.add_argument(
"-r",
"--reload",
dest="reload",
action="store_true",
help="reload configuration of a daemon process sending SIGHUP",
)
parser.add_argument(
"-c",
"--config",
dest="config_file",
type=argparse.FileType("r"),
help="Configuration file.",
default=0,
nargs=1,
metavar="CONFIG_FILE",
)
parser.add_argument(
"-d",
"--daemon",
dest="daemon_mode",
action="store_true",
help="Run hostp2pd in daemon mode. ",
)
parser.add_argument(
"-b",
"--batch",
dest="batch_mode",
type=argparse.FileType("w"),
help="Run hostp2pd in batch mode. "
"Argument is the output file. "
"Use an hyphen (-) for standard output.",
default=0,
nargs=1,
metavar="FILE",
)
parser.add_argument(
"-i",
"--interface",
dest="interface",
help="Set the interface managed by hostp2pd.",
default=["auto"],
nargs=1,
metavar="INTERFACE",
)
parser.add_argument(
"-p",
"--run_program",
dest="run_program",
help="Name of the program to run with start and stop arguments. ",
default=[""],
nargs=1,
metavar="RUN_PROGRAM",
)
args = parser.parse_args()
if args.version:
print(f"hostp2pd version {__version__}.")
sys.exit(0)
# Redirect stdout
if args.batch_mode and not args.batch_mode[0].isatty():
sys.stdout = args.batch_mode[0]
# Configuration file
if args.config_file and args.config_file[0].name:
config_file = args.config_file[0].name
else:
config_file = None
# Debug
force_logging = None
if args.verbosity:
force_logging = logging.INFO
if args.debug:
force_logging = logging.DEBUG
# Instantiate the class
hostp2pd = HostP2pD(config_file, args.interface[0], args.run_program[0],
force_logging)
if os.getuid() == 0:
daemon_pid_fname = (DAEMON_PIDFILE_DIR_ROOT + DAEMON_PIDFILE_BASE +
args.interface[0] + ".pid")
else:
daemon_pid_fname = (DAEMON_PIDFILE_DIR_NON_ROOT + DAEMON_PIDFILE_BASE +
args.interface[0] + ".pid")
pidfile = daemon.pidfile.PIDLockFile(daemon_pid_fname)
pid = pidfile.read_pid()
if args.terminate:
if pid:
print(f"Terminating daemon process {pid}.")
try:
Ret = os.kill(pid, signal.SIGTERM)
except Exception as e:
print(f"Error while terminating daemon process {pid}: {e}.")
sys.exit(1)
if Ret:
print(f"Error while terminating daemon process {pid}.")
sys.exit(1)
else:
sys.exit(0)
else:
print("Cannot terminate daemon process: not running.")
sys.exit(0)
if args.reload:
if pid:
print(f"Reloading configuration file for daemon process {pid}.")
try:
Ret = os.kill(pid, signal.SIGHUP)
except Exception as e:
print(f"Error while reloading configuration file "
f"for daemon process {pid}: {e}.")
sys.exit(1)
if Ret:
print(f"Error while reloading configuration file "
f"for daemon process {pid}.")
sys.exit(1)
else:
sys.exit(0)
else:
print("Cannot reload the configuration of the daemon process: "
"not running.")
sys.exit(0)
if args.daemon_mode and not args.batch_mode:
if pid:
try:
pidfile.acquire()
pidfile.release(
) # this might occur only in rare contention cases
except AlreadyLocked:
try:
os.kill(pid, 0)
print(f"Process {pid} already running"
f' on the same interface "{args.interface[0]}". '
f'Check lockfile "{daemon_pid_fname}".')
sys.exit(1)
except OSError: # No process with locked PID
pidfile.break_lock()
print(f"Previous process {pid} terminated abnormally.")
except NotLocked:
print("Internal error: lockfile", daemon_pid_fname)
context = daemon.DaemonContext(
working_directory=DAEMON_DIR,
umask=DAEMON_UMASK,
pidfile=pidfile,
detach_process=True,
stdin=sys.stdin if args.debug else None,
stdout=sys.stdout if args.debug else None,
stderr=sys.stderr if args.debug else None,
signal_map={
signal.SIGTERM:
lambda signum, frame: hostp2pd.terminate(),
signal.SIGINT:
lambda signum, frame: hostp2pd.terminate(),
signal.SIGHUP:
lambda signum, frame: hostp2pd.read_configuration(
configuration_file=hostp2pd.config_file,
do_activation=True),
},
)
try:
with context:
print("hostp2pd daemon service STARTED")
hostp2pd.run()
print("\nhostp2pd daemon service ENDED")
except LockFailed as e:
print("Internal error: cannot start daemon", e)
sys.exit(1)
sys.exit(0)
if pid:
print(f'Warning: lockfile "{daemon_pid_fname}" reports pid {pid}.')
if args.batch_mode and args.daemon_mode:
print("hostp2pd service STARTED")
signal.signal(
signal.SIGHUP,
lambda signum, frame: hostp2pd.read_configuration(
configuration_file=hostp2pd.config_file, do_activation=True),
)
try:
hostp2pd.run()
except (KeyboardInterrupt, SystemExit):
hostp2pd.terminate()
print("\nhostp2pd service ENDED")
sys.exit(0)
else:
w_p2p_interpreter = None
try:
with hostp2pd as session:
if hostp2pd.process == None or hostp2pd.process.pid == None:
print("\nCannot start hostp2pd.\n")
os._exit(1) # does not raise SystemExit
while hostp2pd.threadState == hostp2pd.THREAD.STARTING:
time.sleep(0.1)
if not args.batch_mode:
logging.info(f"\n\nhostp2pd (v{__version__}) "
"started in interactive mode.\n")
sys.stdout.flush()
w_p2p_interpreter = Interpreter(hostp2pd, args)
if args.batch_mode:
w_p2p_interpreter.cmdloop_with_keyboard_interrupt(
"hostp2pd batch mode STARTED\n"
"Begin batch commands.")
else:
w_p2p_interpreter.cmdloop_with_keyboard_interrupt(
"Welcome to hostp2pd - "
"The Wi-Fi Direct Session Manager.\n"
"Copyright (c) Ircama 2021 - CC BY-NC-SA 4.0.\n"
"https://github.com/Ircama/hostp2pd\n"
"hostp2pd is running in interactive mode.\n"
"Type help or ? to list commands.\n")
except (KeyboardInterrupt, SystemExit):
if not args.batch_mode and w_p2p_interpreter:
w_p2p_interpreter.postloop()
print("\nExiting.\n")
else:
print("hostp2pd batch mode ENDED.")
sys.exit(1)