def run(self):
try:
with Pyro4.Daemon(host=str(self.ip),
port=int(constant.SERVER_PORT)) as daemon:
chordURI = daemon.register(self._chord)
directory = os.path.dirname(
str(self._chord.guid) + "/repository/")
if not os.path.exists(directory):
os.makedirs(directory)
with Pyro4.locateNS(host="35.212.249.77",
port=int(constant.SERVER_PORT)) as ns:
ns.register(str(self._chord.guid), chordURI)
if not os.path.isfile(constant.CHORD_PRIV_PEM):
if not os.path.isfile(constant.CHORD_PUB_PEM):
privKey, pubKey = self._chord.createKeys()
f = open(constant.CHORD_PRIV_PEM, 'wb+')
f.write(b64decode(privKey))
f.close()
f = open(constant.CHORD_PUB_PEM, 'wb+')
f.write(b64decode(pubKey))
f.close()
f = open(constant.CHORD_PRIV_PEM, 'rb')
private_key = serialization.load_pem_private_key(
f.read(), password=None, backend=default_backend())
f.close()
privPem = private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption())
self._chord.addKey(self._chord,
b64encode(privPem).decode('UTF-8'))
daemon.requestLoop()
except Exception as e:
print("Unable to start the server")
def pyro_daemon(name,
obj,
random_suffix=False,
ip=None,
port=None,
ns_conf={}):
"""
Register object with name server (starting the name server if not running
yet) and block until the daemon is terminated. The object is registered under
`name`, or `name`+ some random suffix if `random_suffix` is set.
"""
if random_suffix:
name += '.' + hex(random.randint(0, 0xffffff))[2:]
import Pyro4
with getNS(**ns_conf) as ns:
with Pyro4.Daemon(ip or get_my_ip(), port or 0) as daemon:
# register server for remote access
uri = daemon.register(obj, name)
ns.remove(name)
ns.register(name, uri)
logger.info("%s registered with nameserver (URI '%s')" %
(name, uri))
daemon.requestLoop()
def __init__(self, name, states, defaultState, host="localhost"):
self.name = name
self.host = host
self.states = states
if defaultState not in states:
raise ValueError, "defaultState {} is not in the list of allowed states {}".format(
defaultState, states)
self.defaultState = defaultState
self.currentState = self.defaultState
self.daemonActive = True
# Create Pyro Daemon
daemon = Pyro4.Daemon(host=host)
nameserver = Pyro4.locateNS()
uri = daemon.register(self)
nameserver.register("signal.{}".format(self.name), uri)
pub.sendMessage("Signal.{}.daemon".format(self.name), daemon=daemon)
print "Signal {} set up.".format(self.name)
# Run the server
daemon.requestLoop(self.serverActive)
def main():
counter = 0
while counter != 5:
try:
daemon = Pyro4.Daemon()
ns = Pyro4.locateNS()
f = FrontEnd(daemon)
url = daemon.register(f)
ns.register("frontend", url)
print("Listening: ", url)
daemon.requestLoop()
print("Exit loop")
daemon.close()
f.timestamp = 0
f.write()
print("Daemon closed")
break
except Pyro4.errors.CommunicationError:
print("Attempt ", counter, " out of 5")
print(
"Servers are not found. Sleeping for 10 seconds and trying again..."
)
sleep(10)
counter = counter + 1
def main():
remoteLibrary = Pyro4.expose(bookDB.bookDB)
db = bookDB.bookDB("mylib")
daemon = Pyro4.Daemon(host="193.136.131.82")
# Localiza o Name Server
ns = Pyro4.locateNS(host="193.136.128.108", port=9090)
print (ns)
try:
ns.createGroup(':libraries')
except:
pass
# Regista a base de dados do servidor no Name Server
uri = daemon.register(db, "BookDB-80931")
ns.register("BookDB-80931", uri)
try:
daemon.requestLoop()
finally:
daemon.shutdown()
#!/usr/bin/env python
# -*- coding: utf-8 -*
import base64
import Pyro4
import numpy as np
from detect_text_emotion import detect_text_emotion
@Pyro4.expose
class sentiment_text_service(object):
def emotion_text_prediction_java(self, texto):
returnValue = detector.predict_sentimiento(texto)
print returnValue
return returnValue[0]
def emotion_text_prediction_pythonweb(self, texto):
returnValue = detector.predict_sentimiento(texto)
print returnValue
return returnValue[0]
detector = detect_text_emotion("data/corpus_model.m")
daemon = Pyro4.Daemon("localhost", 25315) # make a Pyro daemon
uri = daemon.register(sentiment_text_service, "text_service", True)
print("Ready...")
print("Uri: ", uri)
daemon.requestLoop()
def init_server(self):
self.daemon = Pyro4.Daemon() # make a Pyro daemon
ns = Pyro4.locateNS() # find the name server
uri = self.daemon.register(self.db) # register the greeting maker as a Pyro object
ns.register("db_util", uri) # register the object with a name in the name server
print("Rmi Server Ready.")
server = threading.Thread(target=thread_function, args=(1, ))
server.start()
time.sleep(1)
#Pyro4.config.SERIALIZERS_ACCEPTED.add('pickle')
#@expose as wrapper function:
book_data = book("Bruno", "1", 2, 3)
ExposedClass = Pyro4.expose(book)
db = ExposedClass()
daemon = Pyro4.Daemon(
host='194.210.176.234'
) #my local IP wget -qO- http://ipecho.net/plain | xargs echo
#uri2 = daemon.register(book_data,"book") #Send a object (data)
uri = daemon.register(db, "book_class") #Send bookDB class
ns = Pyro4.locateNS(host='127.0.0.1', port=9090) # python3 -m Pyro4.naming
ns.register("book", uri)
#print(uri) #Try also uri
print("Running...")
daemon.requestLoop()
from pyage.solutions.evolution.selection import TournamentSelection
logger = logging.getLogger(__name__)
agents_count = int(os.environ['AGENTS'])
logger.debug("AGGREGATE, %s agents", agents_count)
agents = generate_agents("agent", agents_count, AggregateAgent)
aggregated_agents = unnamed_agents(2, Agent)
stop_condition = lambda: StepLimitStopCondition(100)
size = 500
operators = lambda: [
FloatRastriginEvaluation(),
TournamentSelection(size=55, tournament_size=30),
AverageFloatCrossover(size=size),
UniformFloatMutation(probability=0.05, radius=1)
]
initializer = lambda: FloatInitializer(500, size, -10, 10)
address_provider = address.SequenceAddressProvider
migration = Pyro4Migration
locator = RandomLocator
ns_hostname = lambda: os.environ['NS_HOSTNAME']
pyro_daemon = Pyro4.Daemon()
daemon = lambda: pyro_daemon
stats = TimeStatistics
self._hopcount_delay = delay
def get_hopcount_delay(self):
return self._hopcount_delay
def set_daemon_obj(self, ref):
self._daemon_obj = ref
def stoppig(self):
self._daemon_obj.shutdown()
self._daemon_obj.close()
sys.exit()
if __name__ == '__main__':
peerId = int(sys.argv[1])
hostinfo = sys.argv[2]
hostname = hostinfo.split(":")[0]
hostport = int(hostinfo.split(":")[1])
Pyro4.config.HOST = hostname
daemon_obj = Pyro4.Daemon(hostname, hostport)
print("peerId: {0} running with below uri".format(peerId), flush=True)
#start peer client/server request loop
pig = Peer({'id': peerId, 'daemon': daemon_obj})
Pyro4.Daemon.serveSimple({pig: "peer"},
ns=False,
verbose=True,
daemon=daemon_obj,
host=hostname,
port=hostport)
def daemonize(self,
host: Optional[str] = None,
port: int = 0) -> Tuple[str, str]:
"""
Starts a server in a new process.
Args:
host (str):
Host where the server must be started
port (int):
Listening port for the server.
Returns:
pid (str):
PID of the daemon process.
uri (str):
URI of the remote server.
Raises:
ClusterServerError:
When the server was not started correctly
"""
self._id = self._get_id()
r_fd, w_fd = os.pipe()
pid = os.fork()
if pid == 0:
# Child code
try:
# Close the read pipe, as the child will just notify when the
# process start.
os.close(r_fd)
w = os.fdopen(w_fd, 'w')
with Pyro4.Daemon(host=host, port=port) as daemon:
logging.info('Registering daemon')
uri = daemon.register(self)
self._daemon = daemon
with open(self.pid_filepath, 'w') as f:
logging.info('PID {}. Saving to file'.format(
os.getpid()))
f.write(str(os.getpid()))
with open(self.uri_filepath, 'w') as f:
logging.info('URI {}. Saving to file'.format(uri))
f.write(str(uri))
# Avoid IO errors with stderr and stdout, redirect them to
# a logfile.
# Close stdout and stderr
os.close(1)
os.close(2)
# Logfile will be opened to fd 1 (stdout)
with open(self.log_filepath, 'w') as f:
# Assign the same file to fd 2 (stderr)
os.dup(1)
try:
logging.info('Starting the Pyro4 server')
w.write('ok')
w.flush()
daemon.requestLoop()
except Exception as e:
w.write('ko')
logging.error(e)
os._exit(1)
except Exception as e:
print(e)
finally:
# Make sure that always is written something to the pipe, to
# avoid blocking the parent process.
w.write('finish')
w.close()
os._exit(0)
else:
os.close(w_fd)
# Wait for the child message
r = os.fdopen(r_fd)
r.read(1)
r.close()
if not os.path.isfile(self.pid_filepath):
self.cleanup()
raise errors.ClusterServerError('PID file not found')
with open(self.pid_filepath, 'r') as f:
spid = f.read()
try:
os.kill(int(spid), 0)
except OSError as e:
# If EPERM is the error we don't have permissions to send the
# signal to the process, but it exists.
if e.errno != errno.EPERM:
logging.error('Server have not started')
self.cleanup()
raise errors.ClusterServerError(
'Server process does not exist')
with open(self.uri_filepath, 'r') as f:
uri = f.read()
return (spid, uri)
def share_local_object(object_name,
whitelist=None,
host="localhost",
port=9090):
"""
Share a local object of the given name over the network.
:param str object_name: name of the local object
:param whitelist: shared functions/classes of the local object as tuple
pairs (module, function) or (module, class); whitelist
all (do not filter) if None or empty
:type whitelist: [(str,str)] or None
:param str host: ip address of the local name server
:param port: port of the local sharing server
:type port: int or str
This function shares a custom object with whitelisted attributes through a
custom implementation. It is more secure but more limited as functionality
since it requires serialization extensions.
"""
Pyro4.config.AUTOPROXY = True
Pyro4.config.REQUIRE_EXPOSE = False
port = int(port) if isinstance(port, str) else port
# pyro daemon
try:
pyro_daemon = Pyro4.Daemon(host=host)
LOG.debug("Pyro4 daemon started successfully")
pyrod_running = False
# address already in use OS error
except OSError:
pyro_daemon = Pyro4.Proxy("PYRO:" + Pyro4.constants.DAEMON_NAME + "@" +
host)
pyro_daemon.ping()
LOG.debug("Pyro4 daemon already started, available objects: %s",
pyro_daemon.registered())
pyrod_running = True
# name server
try:
ns_server = Pyro4.locateNS(host=host, port=port)
LOG.debug("Pyro4 name server already started")
nsd_running = True
# network unreachable and failed to locate the nameserver error
except (OSError, Pyro4.errors.NamingError):
from Pyro4 import naming
ns_uri, ns_daemon, _bc_server = naming.startNS(host=host, port=port)
ns_server = Pyro4.Proxy(ns_uri)
LOG.debug("Pyro4 name server started successfully with URI %s", ns_uri)
nsd_running = False
# main retrieval of the local object
module = importlib.import_module(object_name)
def proxymethod(fun):
"""Decorator to autoproxy all callables."""
def wrapper(*args, **kwargs):
rarg = fun(*args, **kwargs)
def proxify_type(rarg):
if rarg is None or type(rarg) in (bool, int, float, str): # pylint: disable=C0123
return rarg
if isinstance(rarg, tuple):
return tuple(proxify_type(e) for e in rarg)
if isinstance(rarg, list):
return [proxify_type(e) for e in rarg]
if isinstance(rarg, dict):
return {
proxify_type(k): proxify_type(v)
for (k, v) in rarg.items()
}
pyro_daemon.register(rarg)
return rarg
import types
if isinstance(rarg, types.GeneratorType):
def generator_wrapper():
for nxt in rarg:
yield proxify_type(nxt)
return generator_wrapper()
return proxify_type(rarg)
return wrapper
class ModuleObject: # pylint: disable=R0903
"""Module wrapped for transferability."""
for fname, fobj in inspect.getmembers(module, inspect.isfunction):
if not whitelist or (object_name, fname) in whitelist:
setattr(ModuleObject, fname, staticmethod(proxymethod(fobj)))
for cname, cobj in inspect.getmembers(module, inspect.isclass):
if not whitelist or (object_name, cname) in whitelist:
setattr(ModuleObject, cname, staticmethod(proxymethod(cobj)))
local_object = ModuleObject()
# we should register to the pyro daemon before entering its loop
uri = pyro_daemon.register(local_object)
if not pyrod_running:
loop = DaemonLoop(pyro_daemon)
loop.start()
if not nsd_running:
loop = DaemonLoop(ns_daemon)
loop.start()
# we should register to the name server after entering its loop
ns_server.register(object_name, uri)
LOG.info("Local object '%s' sharing - ready", object_name)
loop.join()
parser.add_argument(
"--obj_port",
"-op",
dest='obj_port',
action='store',
default=0,
type=int,
help=
"Specify a port on which to register daemon. Default is 0 (random).")
return parser
if __name__ == '__main__':
parsed = parse_args("Start a basic server").parse_args()
bs = BasicServer()
print("Attempting to register server on name server")
with Pyro4.Daemon(host='localhost', port=parsed.obj_port) as daemon:
server_uri = daemon.register(bs, objectId=bs.__class__.__name__)
print("Daemon URI is {}".format(server_uri))
try:
with Pyro4.locateNS(port=parsed.ns_port,
host=parsed.ns_host) as ns:
ns.register('BasicServer', server_uri)
except Pyro4.errors.NamingError as err:
print(
"Couldn't find specified nameserver, not registering daemon on nameserver."
)
daemon.requestLoop()
default=False)
pydb.logconfig.add_log_level_to_parser(parser)
args = parser.parse_args()
pydb.logconfig.set_log_level(args.loglevel)
logger = logging.getLogger('pydbserver')
logger.info('### logging started at %s local time. ###',
time.strftime("%a, %d %b %Y %H:%M:%S", time.localtime()))
pydb.config.read_config()
db_dir = determine_database_directory(args.basepath)
main_db = pydb.maindb.build(db_dir,
schema_dir=get_schema_dir(),
enable_db_sync=not args.no_sync)
def term_handler():
main_db.hard_commit_all()
atexit.register(term_handler)
daemon = Pyro4.Daemon(port=args.pyro_port)
daemon.register(main_db, objectId=args.pyro_name)
comm_data_store = pydb.commdatastore.CommDataStore(
os.path.join(db_dir, 'friends.db'), get_schema_dir())
daemon.register(comm_data_store, objectId=args.comm_data_store_name)
daemon.requestLoop()
def __init__(self):
sys.excepthook = Pyro4.util.excepthook
self.daemon = Pyro4.Daemon(
host=Pyro4.socketutil.getInterfaceAddress("www.google.com"))
def assign_handler(self, button_name, handler):
self.handlers[button_name] = handler
def button_clicked(self, name):
print(name)
if name in self.handlers:
self.handlers[name]()
if __name__ == '__main__':
gui = GUI()
gui.buttonhandler = ButtonHandler()
ip = socket.gethostbyname(socket.gethostname())
daemon = Pyro4.Daemon(ip)
client = RemoteClient(gui)
client_uri = daemon.register(client)
PyroClientThread(daemon).start()
gameserver = Pyro4.Proxy('PYRONAME:example.pacmanserver')
print('Connected to gameserver.')
def new_room():
gameserver.new_room(ip, client_uri)
update_rooms()
gui.startgamebutton.config(state=NORMAL)
gui.buttonhandler.assign_handler('create_room', new_room)
import Pyro4
import pickle
import main
from measurement import output_measurements
# python -m Pyro4.naming -n 10.10.4.167
@Pyro4.expose
class MeasurementCore(object):
def predict(self, pickled_picture, weight, height):
picture = pickle.loads(pickled_picture)
viz_image, hmr_verts, adjusted_verts, m_adjusted_verts, adjusted_weight, adjusted_height = main.predict(
picture, weight, height)
measurements = output_measurements(m_adjusted_verts)
return pickle.dumps((measurements, viz_image, hmr_verts,
adjusted_verts, adjusted_weight, adjusted_height),
protocol=0)
if __name__ == "__main__":
daemon = Pyro4.Daemon('10.10.4.167') # make a Pyro daemon
ns = Pyro4.locateNS() # find the name server
uri = daemon.register(
MeasurementCore) # register the greeting maker as a Pyro object
ns.register("measurement.api",
uri) # register the object with a name in the name server
print("Ready.")
daemon.requestLoop(
) # start the event loop of the server to wait for calls
def start(self, ip, port, password, retry=float("inf")):
"""Start WorkerServer and ssh daemon and connect to nameserver."""
self.logger.info("starting up and connecting to %s:%d" % (ip, port))
#store for reconnection attempts
self._ip = ip
self._port = port
self._password = password
#Pyro4.config.HMAC_KEY = password
tries = 1
self._ns = None
while not self._ns:
try:
self._ns = Pyro4.locateNS(ip, port, hmac_key=password)
except Pyro4.errors.NamingError:
if tries < retry:
self.logger.warn(
"Unable to locate Nameserver. Trying again in 5 seconds..."
)
time.sleep(5)
tries += 1
else:
self.logger.error("Unable to locate Nameserver.")
sys.exit()
self.config = Pyro4.Proxy(self._ns.lookup("config"))
self.config._pyroHmacKey = password
self.ip = self.config.get_worker_ip(self.get_hostname())
if (not self.ip):
self.ip = Tools.guess_ip()
if not self.config.has_section(self.get_hostname()):
self.config.add_section(self.get_hostname())
self.config.set(self.get_hostname(), "ip", self.ip)
self.logger.warn(
"""FrontendServer did not know IP of this host (check configuration for hostname).
Guessed: %s""" % self.ip)
self.logger.info("configuring and starting ssh daemon...")
self.sshManager = SSH_Manager(folder=self.ssh_folder,
ip=self.ip,
port=self.config.get_sshd_port(),
user=self.config.get("all", "sshuser"))
self.sshManager.start_sshd()
self._pyrodaemon = Pyro4.Daemon(host=self.ip)
self._pyrodaemon._pyroHmacKey = password
uri = self._pyrodaemon.register(self)
self._ns.register(self._get_pyroname(), uri)
uri = self._pyrodaemon.register(self.mnManager)
self._ns.register(self._get_pyroname() + ".mnManager", uri)
uri = self._pyrodaemon.register(self.sshManager)
self._ns.register(self._get_pyroname() + ".sshManager", uri)
atexit.register(self._stop)
self.logger.info("looking for manager application...")
manager_uri = self._ns.lookup("MaxiNetManager")
if (manager_uri):
self._manager = Pyro4.Proxy(manager_uri)
self._manager._pyroHmacKey = self._password
self.logger.info("signing in...")
if (self._manager.worker_signin(self._get_pyroname(),
self.get_hostname())):
self.logger.info("done. Entering requestloop.")
self._started = True
self._looping_thread = threading.Thread(
target=self._pyrodaemon.requestLoop)
self._looping_thread.daemon = True
self._looping_thread.start()
else:
self.logger.error("signin failed.")
else:
self.logger.error("no manager found.")
"""
import Pyro4
import bookDB
#s.connect((host, port))
#falta à classe as cenas para fazer a comunicacao server client, logo faço:
remoteLibrary = Pyro4.expose(bookDB.bookDB)
db = bookDB.bookDB("mylib")
#remoteBook vai ter tudo o que vem do bookDB mas as cenas do Pyro
#vai entao ter o modulo de comunicacao e o dispatch
#o = remoteBookDB() #crio o obj como se fosse local
#create a Pyro server with defined host
daemon = Pyro4.Daemon(host="194.210.157.245") #194.210.157.245 #hostname -I
# create remote obj uri and make it available to be accessible remotely
uri = daemon.register(db, "bookDB")
print(uri)
#locauriuri
ns = Pyro4.locateNS(host="146.193.41.139", port=9090)
#register the uri of this server in the name server, naming it "elnome"
ns.register("elnome", uri)
#start request loop
daemon.requestLoop()
#pyro4-nsc -n 146.193.41.139 list #list all servers
del parent[self.basename(path)]
return 0
except Exception as e:
return -1
def rename(self, src, dst):
if self.find_node(src) is None:
print >> sys.stderr, "src doesn't exist!"
self.vfs_errno = ENOENT
return -1
if self.find_node(dst) is not None:
print >> sys.stderr, "dst exists!"
self.vfs_errno = EEXISTS
return -1
dst_parent = self.find_parent(dst)
src_parent = self.find_parent(src)
dst_parent[self.basename(dst)] = src_parent[self.basename(src)]
del src_parent[self.basename(src)]
return 0
# main
daemon = Pyro4.Daemon(port=5559) #unixsocket="mem_fs")
uri = daemon.register(mem_fs(), "mem_fs")
print "uri=", uri
daemon.requestLoop()
self._name = marketname
self._symbols = symbols
def quotes(self):
while True:
symbol = random.choice(self.symbols)
yield symbol, round(random.uniform(5, 150), 2)
time.sleep(random.random() / 2.0)
@property
def name(self):
return self._name
@property
def symbols(self):
return self._symbols
if __name__ == "__main__":
nasdaq = StockMarket("NASDAQ", ["AAPL", "CSCO", "MSFT", "GOOG"])
newyork = StockMarket("NYSE", ["IBM", "HPQ", "BP"])
# for example purposes we will access the daemon and name server ourselves and not use serveSimple
with Pyro4.Daemon(host="localhost", port=23245) as daemon:
nasdaq_uri = daemon.register(nasdaq)
newyork_uri = daemon.register(newyork)
with Pyro4.locateNS() as ns:
ns.register("example.stockmarket.nasdaq", nasdaq_uri)
ns.register("example.stockmarket.newyork", newyork_uri)
print("Stockmarkets available.")
daemon.requestLoop()
print(full_path)
if(os.path.isfile(full_path)):
return 'Tidak bisa membuat file, file sudah ada', None
try:
with open(full_path, 'wb'):
os.utime(full_path, None)
return None, 'File sudah dibuat'
except Exception as e:
err = str(e)
return err.replace(self.sharing_folder['base'],''), None
# def main():
# Pyro4.Daemon.serveSimple(
# {
# Worker: "worker"
# },
# ns=False, host="127.0.0.1", port=9000)
with Pyro4.Daemon(host=Pyro4.socketutil.getIpAddress(None)) as daemon:
# create a unique name for this worker (otherwise it overwrites other workers in the name server)
worker_name = "Worker_%d@%s" % (os.getpid(), socket.gethostname())
print("Starting up worker", worker_name)
uri = daemon.register(Warehouse)
with Pyro4.locateNS() as ns:
ns.register(worker_name, uri, metadata={"kelompok3.worker2"})
daemon.requestLoop()
if __name__ == "__main__":
main()
if self.inventory is None or self.inventory is False:
self.inventory = getPrimaryServer(self.ns)
resp = getattr(self.inventory, fn)(*args)
attemptCount = 1
while type(resp) is dict and '__serverStatus' in resp and resp['__serverStatus'] == 'crashed':
print('Called replica crashed. Trying again...')
if attemptCount >= 10:
break
self.inventory = getPrimaryServer(self.ns, self.inventory)
resp = getattr(self.inventory, fn)(*args)
attemptCount += 1
return resp
@Pyro4.expose
def getFoods(self):
return self.request('getContents', [])
@Pyro4.expose
def processOrder(self, order):
return self.request('order', [order])
print('Just Hungry frontend startup...')
with Pyro4.locateNS() as ns:
inventory = getPrimaryServer(ns)
with Pyro4.Daemon() as daemon:
uri = daemon.register(JustHungryFrontend(inventory, ns))
ns.register('justhungry.frontend', uri)
daemon.requestLoop()
ns.remove('justhungry.frontend')
print('Just Hungry frontend shutdown...')
action='store')
parser.add_argument('--name',
'-n',
dest='pyro_name',
help='Sets the Pyro4 name for the server',
action='store',
default="comservice")
parser.add_argument('--port',
'-p',
dest='pyro_port',
help='Sets the Pyro4 port for the server',
action='store',
default=4513,
type=int)
pydb.logconfig.add_log_level_to_parser(parser)
args = parser.parse_args()
pydb.logconfig.set_log_level(args.loglevel)
print "Pyro port: %s" % args.pyro_port
daemon = Pyro4.Daemon(port=args.pyro_port) # make a Pyro daemon
commserver_uri = daemon.register(
cs, objectId=args.pyro_name) # register the db object as a Pyro object
print "Comm Service PYRO Server URI: " + str(commserver_uri)
daemon.requestLoop(
) # start the event loop of the server to wait for calls
cs.stop()
else:
return 0
def getOrders(self):
#server = connect()
return self.server.getOrders()
# uri1 = input("What is the Pyro uri of server1 ? ").strip()
# uri2 = input("What is the Pyro uri of server2 ? ").strip()
# # name = input("What is your name? ").strip()
# greeting_maker = Pyro4.Proxy(uri) # get a Pyro proxy to the greeting object
# print(greeting_maker.get_fortune(name)) # call method normally
# server1 = Pyro4.Proxy("PYRONAME:server1")
# server2 = Pyro4.Proxy("PYRONAME:server2")
# print(server1.getmessage())
# print(server1.setmessage("newmessage"))
# print(server1.getmessage())
# print(server2.avg(1,2,3))
# print(server2.max(2,2,3))
daemon = Pyro4.Daemon() # make a Pyro daemon
ns = Pyro4.locateNS() # find the name server
uri = daemon.register(FrontEnd) # register the greeting maker as a Pyro object
ns.register("front_end", uri)
print("Ready")
daemon.requestLoop()
def __init__(self, engine):
threadutil.Thread.__init__(self)
self.pyroserver = remote.GameServer(engine)
self.pyrodaemon = Pyro4.Daemon()
self.ns = Pyro4.locateNS()
self.setDaemon(True)
def runServer(server,
port,
nathost,
natport,
nshost,
nsport,
appName,
hkey,
app,
daemon=None,
metadata=None):
"""
Runs a simple application server
:param str server: Host name of the server (internal host name)
:param int port: Port number on the server where daemon will listen (internal port number)
:param str nathost: Hostname of the server as reported by nameserver, for secure ssh tunnel it should be set to 'localhost' (external host name)
:param int natport: Server NAT port as reported by nameserver (external port)
:param str nshost: Hostname of the computer running nameserver
:param int nsport: Nameserver port
:param str appName: Name of registered application
:param instance app: Application instance
:param str hkey: A password string
:param daemon: Reference to already running daemon, if available. Optional parameter.
:param metadata: set of strings that will be the metadata tags associated with the object registration. See PyroUtil.py for valid tags. The metadata string "connection:server:port:nathost:natport" will be authomatically generated.
:raises Exception: if can not run Pyro4 daemon
"""
externalDaemon = False
if not daemon:
try:
daemon = Pyro4.Daemon(host=server,
port=int(port),
nathost=nathost,
natport=Util.NoneOrInt(natport))
#daemon._pyroHmacKey = hkey.encode(encoding='UTF-8') #needed probably in future
log.info('Pyro4 daemon runs on %s:%s using nathost %s:%s' %
(server, port, nathost, natport))
except Exception:
log.exception(
'Can not run Pyro4 daemon on %s:%s using nathost %s:%s' %
(server, port, nathost, natport))
raise
exit(1)
else:
externalDaemon = True
ns = connectNameServer(nshost, nsport, hkey)
#register agent; register exposed class
#ExposedApp = Pyro4.expose(app)172.30.0.1
#Check if application name already exists on a nameServer
try:
(uri, mdata) = ns.lookup(appName, return_metadata=True)
except Pyro4.errors.NamingError:
pass
else:
log.warning(
'Application name \'%s\' is already registered on name server, overwriting.'
% appName)
uri = daemon.register(app)
try:
app.registerPyro(daemon,
ns,
uri,
appName,
externalDaemon=externalDaemon)
except AttributeError as e:
# catch attribute error (thrown when method not defined)
log.warning('Can not register daemon on for application %s' % appName)
except:
log.exception(
'Can not register daemon on %s:%s using nathost %s:%s on nameServer'
% (server, port, nathost, natport))
raise
exit(1)
# generate connection metadata entry
metadata.add('%s:%s' % (NS_METADATA_host, server))
metadata.add('%s:%s' % (NS_METADATA_port, port))
metadata.add('%s:%s' % (NS_METADATA_nathost, nathost))
metadata.add('%s:%s' % (NS_METADATA_natport, natport))
ns.register(appName, uri, metadata=metadata)
log.debug('NameServer %s has registered uri %s' % (appName, uri))
log.debug(
'Running runAppServer: server:%s, port:%s, nathost:%s, natport:%s, nameServer:%s, nameServerPort:%s, applicationName:%s, daemon URI %s'
% (server, port, nathost, natport, nshost, nsport, appName, uri))
daemon.requestLoop()
def main(args, returnWithoutLooping=False):
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-H",
"--host",
default="localhost",
help="hostname to bind server on (default=localhost)")
parser.add_option("-p",
"--port",
type="int",
default=0,
help="port to bind server on")
parser.add_option("-u",
"--unixsocket",
help="Unix domain socket name to bind server on")
parser.add_option("-n",
"--naming",
action="store_true",
default=False,
help="register with nameserver")
parser.add_option("-N",
"--nameserver",
action="store_true",
default=False,
help="also start a nameserver")
parser.add_option("-v",
"--verbose",
action="store_true",
default=False,
help="verbose output")
parser.add_option("-q",
"--quiet",
action="store_true",
default=False,
help="don't output anything")
parser.add_option("-k", "--key", help="the HMAC key to use")
options, args = parser.parse_args(args)
if options.verbose:
options.quiet = False
if not options.quiet:
print("Starting Pyro's built-in test echo server.")
if os.name != "java":
Pyro4.config.SERVERTYPE = "multiplex"
hmac = (options.key or "").encode("utf-8")
Pyro4.config.HMAC_KEY = hmac or Pyro4.config.HMAC_KEY
if not options.quiet and Pyro4.config.HMAC_KEY:
print("HMAC_KEY set to: %s" % Pyro4.config.HMAC_KEY)
nameserver = None
if options.nameserver:
options.naming = True
nameserver = startNameServer(options.host)
d = Pyro4.Daemon(host=options.host,
port=options.port,
unixsocket=options.unixsocket)
echo = EchoServer()
echo.verbose = options.verbose
objectName = "test.echoserver"
uri = d.register(echo, objectName)
if options.naming:
host, port = None, None
if nameserver is not None:
host, port = nameserver.uri.host, nameserver.uri.port
ns = naming.locateNS(host, port)
ns.register(objectName, uri)
if options.verbose:
print("using name server at %s" % ns._pyroUri)
if nameserver is not None:
if nameserver.bc_server:
print("broadcast server running at %s" %
nameserver.bc_server.locationStr)
else:
print("not using a broadcast server")
else:
if options.verbose:
print("not using a name server.")
if not options.quiet:
print("object name: %s" % objectName)
print("echo uri: %s" % uri)
print("echoserver running.")
if returnWithoutLooping:
return d, echo, uri # for unit testing
else:
d.requestLoop(loopCondition=lambda: not echo.must_shutdown)
d.close()
@Pyro4.expose
class Calculadora(object):
def computar(self, operando1, operando2, operation):
if (operation == '+'):
return operando1 + operando2
elif (operation == '-'):
return operando1 - operando2
elif (operation == '*'):
return operando1 * operando2
elif (operation == '/'):
try:
return operando1 / operando2
except ZeroDivisionError:
return "ERRO! Em uma divisão, o 2º operando não pode ser 0 (zero)."
else:
return "ERRO! O caractere informado não representa um operando (+, -, *, /)."
print("Iniciando servidor...\n")
daemon = Pyro4.Daemon() # Cria um Pyro daemon
ns = Pyro4.locateNS() # Procura um name server
uri = daemon.register(Calculadora) # Registra Calculadora como um objeto Pyro
ns.register("calc.calculadora",
uri) # Registra o objeto com um nome no nameserver
print("Servidor pronto para uso.\n\nAperte CTRL+C para encerrar.")
daemon.requestLoop() # Inicia um loop que espera por conexoes
def put(self, queue, message):
self.queues[queue].put(message)
def size(self, queue):
return self.queues[queue].qsize()
def delete(self, queue):
del self.queues[queue]
def purge(self, queue):
while True:
try:
self.queues[queue].get(blocking=False)
except Empty:
break
# launch a Kombu Broker daemon with the command:
# ``python -m kombu.transport.pyro``
if __name__ == "__main__":
print("Launching Broker for Kombu's Pyro transport.")
with pyro.Daemon() as daemon:
print("(Expecting a Pyro name server at {0}:{1})"
.format(pyro.config.NS_HOST, pyro.config.NS_PORT))
with pyro.locateNS() as ns:
print("You can connect with Kombu using the url "
"'pyro://{0}/kombu.broker'".format(pyro.config.NS_HOST))
uri = daemon.register(KombuBroker)
ns.register("kombu.broker", uri)
daemon.requestLoop()
