def run_flent(gui=False):
if sys.version_info[:2] < (3, 6):
sys.stderr.write("Sorry, Flent requires v3.6 or later of Python.\n")
sys.exit(1)
try:
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
pass
from flent import batch
from flent.settings import load
from flent.loggers import setup_console, get_logger
setup_console()
logger = get_logger(__name__)
logger.debug("Flent executed as %s in PID %d", sys.argv, os.getpid())
try:
signal.signal(signal.SIGTERM, handle_sigterm)
settings = load(sys.argv[1:])
if gui or settings.GUI:
from flent.gui import run_gui
return run_gui(settings)
else:
b = batch.new(settings)
b.run()
except RuntimeError as e:
logger.exception(str(e))
except KeyboardInterrupt:
try:
b.kill()
except NameError:
pass
# Proper behaviour on SIGINT is re-killing self with SIGINT to properly
# signal to surrounding shell what happened.
# Ref: http://mywiki.wooledge.org/SignalTrap
try:
signal.signal(signal.SIGINT, signal.SIG_DFL)
os.kill(os.getpid(), signal.SIGINT)
except:
return 1 # Just in case...
finally:
try:
signal.signal(signal.SIGTERM, signal.SIG_DFL)
except:
pass
return 0
def run_flent(gui=False):
if sys.version_info[:3] < (2, 7, 3):
sys.stderr.write("Sorry, Flent requires v2.7.3 or later of Python.\n")
sys.exit(1)
try:
locale.setlocale(locale.LC_ALL, "")
from flent import batch
from flent.settings import load
try:
signal.signal(signal.SIGTERM, handle_sigterm)
settings = load(sys.argv[1:])
if gui or settings.GUI:
from flent.gui import run_gui
return run_gui(settings)
else:
b = batch.new(settings)
b.run()
except RuntimeError as e:
try:
if not settings.DEBUG_ERROR:
sys.stderr.write("Fatal error: %s\n" % str(e))
return 1
else:
raise
except NameError:
sys.stderr.write("Fatal error: %s\n" % str(e))
return 1
except KeyboardInterrupt:
try:
b.kill()
except NameError:
pass
# Proper behaviour on SIGINT is re-killing self with SIGINT to properly
# signal to surrounding shell what happened.
# Ref: http://mywiki.wooledge.org/SignalTrap
try:
signal.signal(signal.SIGINT, signal.SIG_DFL)
os.kill(os.getpid(), signal.SIGINT)
except:
return 1 # Just in case...
finally:
try:
signal.signal(signal.SIGTERM, signal.SIG_DFL)
except:
pass
return 0
def run_flent(gui=False):
if sys.version_info[:3] < (2, 7, 3):
sys.stderr.write("Sorry, Flent requires v2.7.3 or later of Python.\n")
sys.exit(1)
try:
locale.setlocale(locale.LC_ALL, '')
from flent import batch
from flent.settings import load
try:
signal.signal(signal.SIGTERM, handle_sigterm)
settings = load(sys.argv[1:])
if gui or settings.GUI:
from flent.gui import run_gui
return run_gui(settings)
else:
b = batch.new(settings)
b.run()
except RuntimeError as e:
try:
if not settings.DEBUG_ERROR:
sys.stderr.write("Fatal error: %s\n" % str(e))
return 1
else:
raise
except NameError:
sys.stderr.write("Fatal error: %s\n" % str(e))
return 1
except KeyboardInterrupt:
try:
b.kill()
except NameError:
pass
# Proper behaviour on SIGINT is re-killing self with SIGINT to properly
# signal to surrounding shell what happened.
# Ref: http://mywiki.wooledge.org/SignalTrap
try:
signal.signal(signal.SIGINT, signal.SIG_DFL)
os.kill(os.getpid(), signal.SIGINT)
except:
return 1 # Just in case...
finally:
try:
signal.signal(signal.SIGTERM, signal.SIG_DFL)
except:
pass
return 0
def load_gui(settings):
from flent import gui
gui.run_gui(settings) # does not return
def load_gui(settings):
from flent import gui
gui.run_gui(settings) # does not return
def test_start_gui(self):
from flent import gui
gui.run_gui(self.settings, test_mode=True)
def run_flent(gui=False):
if sys.version_info[:2] < (3, 5):
sys.stderr.write("Sorry, Flent requires v3.5 or later of Python.\n")
sys.exit(1)
try:
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
pass
from flent import batch
from flent.settings import load
from flent.loggers import setup_console, get_logger
setup_console()
logger = get_logger(__name__)
try:
signal.signal(signal.SIGTERM, handle_sigterm)
settings = load(sys.argv[1:])
if (settings.TOPO):
sys.path.append(os.path.dirname(os.path.abspath(
settings.TOPO)))
print(os.path.dirname(os.path.abspath(settings.TOPO)))
filename = os.path.basename(settings.TOPO)
print(filename)
topology = import_module(filename[:-3])
(client_ns, client_ip, server_ns, server_ip) = topology.run()
new_args = arg_parse()
# exec_subprocess("ip netns exec n1 ping 10.2.2.2 -c 5")
# TODO: Set server_ns and client_ns here
t1 = threading.Thread(target=server, args=(server_ns, ))
t2 = threading.Thread(target=client,
args=(
client_ns,
new_args,
server_ip,
))
t1.start()
time.sleep(2.0)
t2.start()
t1.join()
t2.join()
# run user script
pass
elif gui or settings.GUI:
from flent.gui import run_gui
return run_gui(settings)
else:
b = batch.new(settings)
b.run()
except RuntimeError as e:
logger.exception(str(e))
except KeyboardInterrupt:
try:
b.kill()
except NameError:
pass
# Proper behaviour on SIGINT is re-killing self with SIGINT to properly
# signal to surrounding shell what happened.
# Ref: http://mywiki.wooledge.org/SignalTrap
try:
signal.signal(signal.SIGINT, signal.SIG_DFL)
os.kill(os.getpid(), signal.SIGINT)
except:
return 1 # Just in case...
finally:
try:
signal.signal(signal.SIGTERM, signal.SIG_DFL)
except:
pass
return 0