def _get_test_nameserver(ns_host="127.0.0.1", num_tries=20):
if not (using_pyro3 or using_pyro4):
return None, None
ns_options = None
if using_pyro3:
ns_options = ["-r", "-k", "-n " + ns_host]
elif using_pyro4:
ns_options = ["--host=" + ns_host]
# don't start the broadcast server
ns_options += ["-x"]
ns_port = None
ns_process = None
for i in range(num_tries):
try:
ns_port = find_unused_port()
print("Trying nameserver with port: " + str(ns_port))
cmd = ["pyomo_ns"] + ns_options
if using_pyro3:
cmd += ["-p " + str(ns_port)]
elif using_pyro4:
cmd += ["--port=" + str(ns_port)]
print(' '.join(cmd))
ns_process = \
subprocess.Popen(cmd, stdout=subprocess.PIPE)
time.sleep(5)
_poll(ns_process)
break
except OSError:
print(sys.exc_info())
print("Failed to find open port - trying again in 20 seconds")
time.sleep(20)
_kill(ns_process)
ns_port = None
ns_process = None
return ns_process, ns_port
def _get_test_dispatcher(ns_host=None,
ns_port=None,
dispatcher_host="127.0.0.1",
num_tries=20):
if not (using_pyro3 or using_pyro4):
return None, None
dispatcher_port = None
dispatcher_process = None
for i in range(num_tries):
try:
dispatcher_port = find_unused_port()
print("Trying dispatcher with port: "
+str(dispatcher_port))
dispatcher_process = \
subprocess.Popen(["dispatch_srvr"] + \
["--host="+str(ns_host)] + \
["--port="+str(ns_port)] + \
["--daemon-host="+str(dispatcher_host)] + \
["--daemon-port="+str(dispatcher_port)],
stdout=subprocess.PIPE)
time.sleep(5)
_poll(dispatcher_process)
break
except OSError as e:
print(sys.exc_info())
print("Failed to find open port - trying again in 20 seconds")
time.sleep(20)
_kill(dispatcher_process)
dispatcher_port = None
dispatcher_process = None
return dispatcher_process, dispatcher_port
def _get_test_nameserver(ns_host="127.0.0.1", num_tries=20):
if not (using_pyro3 or using_pyro4):
return None, None
ns_options = None
if using_pyro3:
ns_options = ["-r","-k","-n "+ns_host]
elif using_pyro4:
ns_options = ["--host="+ns_host]
ns_port = None
ns_process = None
for i in range(num_tries):
try:
ns_port = find_unused_port()
print("Trying nameserver with port: "
+str(ns_port))
cmd = ["pyomo_ns"] + ns_options
if using_pyro3:
cmd += ["-p "+str(ns_port)]
elif using_pyro4:
cmd += ["--port="+str(ns_port)]
print(' '.join(cmd))
ns_process = \
subprocess.Popen(cmd)
time.sleep(5)
_poll(ns_process)
break
except OSError:
print(sys.exc_info())
print("Failed to find open port - trying again in 20 seconds")
time.sleep(20)
_kill(ns_process)
ns_port = None
return ns_process, ns_port
