def LoadAndServe(host, port):
server = SimpleJSONRPCServer((host, port))
for func in API:
server.register_function(func.values()[0], func.keys()[0])
server.serve_forever()
def __init__(self, *args, rpc_user, rpc_password, **kargs):
self.rpc_user = rpc_user
self.rpc_password = rpc_password
class VerifyingRequestHandler(SimpleJSONRPCRequestHandler):
def parse_request(myself):
# first, call the original implementation which returns
# True if all OK so far
if SimpleJSONRPCRequestHandler.parse_request(myself):
# Do not authenticate OPTIONS-requests
if myself.command.strip() == 'OPTIONS':
return True
try:
self.authenticate(myself.headers)
return True
except (RPCAuthCredentialsInvalid, RPCAuthCredentialsMissing,
RPCAuthUnsupportedType) as e:
myself.send_error(401, str(e))
except BaseException as e:
import traceback, sys
traceback.print_exc(file=sys.stderr)
myself.send_error(500, str(e))
return False
SimpleJSONRPCServer.__init__(
self, requestHandler=VerifyingRequestHandler, *args, **kargs)
def start_sim_index_server(port,
backends=(),
remote_urls=(),
root=True,
logRequests=True):
server = SimpleRPCServer(('localhost', port),
logRequests=logRequests,
requestHandler=RequestHandler)
backend_list = list(backends)
if remote_urls:
backend_list.extend(
[RemoteSimIndex(url) for url in remote_urls])
if backend_list:
if len(backend_list) == 1:
index = ConcurrentSimIndex(backend_list[0])
else:
index = ConcurrentSimIndex(
SimIndexCollection(
shards=backend_list, root=root))
else:
index = ConcurrentSimIndex(MemorySimIndex())
index.set_query_scorer('tfidf')
server.register_instance(SimIndexService(index))
try:
print('Use Control-C to exit')
server.serve_forever()
except KeyboardInterrupt:
print('Exiting')
class ElectrumGui:
def __init__(self, config, network):
self.network = network
self.config = config
storage = WalletStorage(self.config.get_wallet_path())
if not storage.file_exists:
raise BaseException("Wallet not found")
self.wallet = Wallet(storage)
self.cmd_runner = Commands(self.config, self.wallet, self.network)
host = config.get('rpchost', 'localhost')
port = config.get('rpcport', 7777)
self.server = SimpleJSONRPCServer((host, port), requestHandler=RequestHandler)
self.server.socket.settimeout(1)
for cmdname in known_commands:
self.server.register_function(getattr(self.cmd_runner, cmdname), cmdname)
def main(self, url):
self.wallet.start_threads(self.network)
while True:
try:
self.server.handle_request()
except socket.timeout:
continue
except:
break
self.wallet.stop_threads()
def __init__(self, addr, requestHandler=SimpleJSONRPCRequestHandler,
logRequests=True, encoding=None, bind_and_activate=True,
address_family=socket.AF_INET, auth_map=None):
self.auth_map = auth_map
SimpleJSONRPCServer.__init__(self, addr, requestHandler, logRequests,
encoding, bind_and_activate, address_family)
def _dispatch(self, method, params):
"""
Dispatch RVI 'message'.
Check if method is 'message', if so dispatch on
name 'service_name' instead.
"""
# print "dispatch:", params
if method == 'message':
# print "Will dispatch message to: " + params['service_name']
dict_param = {}
# Extract the 'parameters' element from the top level JSON-RPC
# 'param'.
# Convert 'parameters' from [{'vin': 1234}, {hello: 'world'}] to
# a regular dictionary: {'vin': 1234, hello: 'world'}
#print "Service:", params['service_name']
#print "Parameters:", params['parameters']
msg_params = params['parameters']
for i in range(0, len(msg_params)):
for j in range(0, len(msg_params[i].keys())):
#print "params", msg_params[i].keys()[j], "=", msg_params[i].values()[j]
dict_param[msg_params[i].keys()[j]] = msg_params[i].values()[j]
# print "Parameter dictionary: ", dict_param
# print
# Ship the processed dispatch info upward.
return SimpleJSONRPCServer._dispatch(self, params['service_name'], dict_param)
return SimpleJSONRPCServer._dispatch(self,message, params)
def _main(args):
server = SimpleJSONRPCServer((args.host, args.port))
functions = [f for f in args.functions if f in FUNCTION_TABLE]
_message(functions, args.port)
for f in functions:
server.register_function(FUNCTION_TABLE[f])
server.serve_forever()
def server_thread(conn):
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
server = SimpleJSONRPCServer(( my_host, my_port))
server.register_function(process_request, 'request')
server.register_function(get_mpk, 'mpk')
server.register_function(do_stop, 'stop')
server.serve_forever()
def __init__(self, name, port, cache_size = 100):
self.name = name
self.cache = []
self.cache_size = cache_size
self.counter = 0
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer # https://pypi.python.org/pypi/jsonrpclib/0.1.6
server = SimpleJSONRPCServer(('0.0.0.0', port))
server.register_function(self.count, 'count')
server.register_function(self.data, 'data')
print >> log.v3, "json-rpc streaming on port", port
start_new_thread(server.serve_forever,())
def server_thread():
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
host = "127.0.0.1"
port = int(serverPort)
#http://user:[email protected]:12345
server = SimpleJSONRPCServer((host, port), requestHandler=SleuthSimpleJSONRPCRequestHandler, logRequests=True)
server.register_function(handleRequest, 'sendPost')
server.serve_forever()
def __init__(self, rvi_node_url, address='localhost', port=(20001,59999)):
if isinstance(port, tuple) == True:
(start_port, stop_port) = port
self.rvi_port = random.randint(start_port, stop_port)
else:
self.rvi_port = port
self.rvi_address = address
SimpleJSONRPCServer.__init__(self,addr=((self.rvi_address, self.rvi_port)), logRequests=False)
self.rvi_client = Server(rvi_node_url)
self.serve_thread = False
self.registered_services = dict()
def server_thread():
from SocketServer import ThreadingMixIn
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
server = SimpleJSONRPCServer(( host, port), requestHandler=authHandler)
server.register_function(get_new_address, 'getnewaddress')
server.register_function(get_num, 'getnum')
server.register_function(get_mpk, 'getkey')
server.register_function(do_stop, 'stop')
server.serve_forever()
def start_server():
adb = ADB(ADB_PATH)
funcs = extract_all_the_functions(adb, 'adb_')
server = SimpleJSONRPCServer((RPC_HOST, RPC_PORT))
print type(funcs)
for name, func in funcs.iteritems():
server.register_function(func)
server.register_function(lambda x: x, 'ping')
server.register_function(upload_apk)
#server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server.serve_forever()
def StartRPCServer(self):
logging.info('RPC Server: started')
rpc_server = SimpleJSONRPCServer((_DEFAULT_BIND_ADDRESS, _GHOST_RPC_PORT),
logRequests=False)
rpc_server.register_function(self.Reconnect, 'Reconnect')
rpc_server.register_function(self.GetStatus, 'GetStatus')
rpc_server.register_function(self.RegisterTTY, 'RegisterTTY')
rpc_server.register_function(self.RegisterSession, 'RegisterSession')
rpc_server.register_function(self.AddToDownloadQueue, 'AddToDownloadQueue')
t = threading.Thread(target=rpc_server.serve_forever)
t.daemon = True
t.start()
def __init__(self):
# Setup logging
self._setupLogging()
# Parse commandline
self.parser = argparse.ArgumentParser(
description="IPset JSON-RPC daemon",
epilog="Config file is reloaded on SIGUSR1",
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
self.parser.add_argument("--bind", default="127.0.0.1",
help="the ip address to bind to")
self.parser.add_argument("--port", type=int, default="9090",
help="the port to listen on")
self.parser.add_argument("--config", default="ipset.conf",
help="config file to read ipset mapping from")
self.args = self.parser.parse_args()
# Init config
self.config = configparser.ConfigParser()
self._read_config()
# Setup config reloading
def reload(signal, frame):
self._read_config()
signal.signal(signal.SIGUSR1, reload)
# Init server
self.server = SimpleJSONRPCServer((self.args.bind, self.args.port))
# Register handlers
self._registerHandlers()
def __init__(self, domain="0.0.0.0", port=5000):
self._server = SimpleJSONRPCServer((domain, port))
functions = {"run": self.run}
for name in functions.keys():
self._server.register_function(functions[name], name)
self._pop = None
def start(self):
"""This method fires up the daemon server based on initialized parameters of the class"""
# initialize the server instance with given resources
register_socket('trex_daemon_server')
try:
print "Firing up TRex REST daemon @ port {trex_port} ...\n".format( trex_port = self.trex_daemon_port )
logger.info("Firing up TRex REST daemon @ port {trex_port} ...".format( trex_port = self.trex_daemon_port ))
logger.info("current working dir is: {0}".format(self.TREX_PATH) )
logger.info("current files dir is : {0}".format(self.trex_files_path) )
logger.debug("Starting TRex server. Registering methods to process.")
logger.info(self.get_trex_version(base64 = False))
self.server = SimpleJSONRPCServer( (self.trex_host, self.trex_daemon_port) )
except socket.error as e:
if e.errno == errno.EADDRINUSE:
logger.error("TRex server requested address already in use. Aborting server launching.")
print "TRex server requested address already in use. Aborting server launching."
raise socket.error(errno.EADDRINUSE, "TRex daemon requested address already in use. "
"Server launch aborted. Please make sure no other process is "
"using the desired server properties.")
elif isinstance(e, socket.gaierror) and e.errno == -3:
# handling Temporary failure in name resolution exception
raise socket.gaierror(-3, "Temporary failure in name resolution.\n"
"Make sure provided hostname has DNS resolving.")
else:
raise
# set further functionality and peripherals to server instance
self.server.register_function(self.add)
self.server.register_function(self.cancel_reservation)
self.server.register_function(self.connectivity_check)
self.server.register_function(self.connectivity_check, 'check_connectivity') # alias
self.server.register_function(self.force_trex_kill)
self.server.register_function(self.get_file)
self.server.register_function(self.get_files_list)
self.server.register_function(self.get_files_path)
self.server.register_function(self.get_running_info)
self.server.register_function(self.get_running_status)
self.server.register_function(self.get_trex_cmds)
self.server.register_function(self.get_trex_daemon_log)
self.server.register_function(self.get_trex_log)
self.server.register_function(self.get_trex_version)
self.server.register_function(self.is_reserved)
self.server.register_function(self.is_running)
self.server.register_function(self.kill_all_trexes)
self.server.register_function(self.push_file)
self.server.register_function(self.reserve_trex)
self.server.register_function(self.start_trex)
self.server.register_function(self.stop_trex)
self.server.register_function(self.wait_until_kickoff_finish)
signal.signal(signal.SIGTSTP, self.stop_handler)
signal.signal(signal.SIGTERM, self.stop_handler)
try:
self.zmq_monitor.start()
self.server.serve_forever()
except KeyboardInterrupt:
logger.info("Daemon shutdown request detected." )
finally:
self.zmq_monitor.join() # close ZMQ monitor thread resources
self.server.shutdown()
def main(argv):
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
gpio = GPIOInterface()
gpio.configure_ports(port_numbers)
hostname = '127.0.0.1'
port = 8001
if '-h' in sys.argv:
hostname = sys.argv[sys.argv.index('-h') + 1]
if '-p' in sys.argv:
port = int(sys.argv[sys.argv.index('-p') + 1])
s = SimpleJSONRPCServer((hostname, port))
s.register_function(gpio.set_port)
s.register_function(gpio.get_port)
s.serve_forever()
def __init__(self, data=None):
self.server = SimpleJSONRPCServer(("localhost", 0), encoding="utf8", requestHandler=JSONRPCRequestHandler)
self.rpc_port = self.server.socket.getsockname()[1]
self.data = data
self.server.register_function(self.get_plottable, "get_plottable")
self.server.register_function(self.kill_server, "shutdown")
webbrowser.open_new_tab("http://localhost:%d/sliceplot.html" % (self.rpc_port,))
self.server.serve_forever()
def start_master_daemon_func():
funcs_by_name = {}
# master_daemon functions
funcs_by_name['add'] = add
funcs_by_name['check_connectivity'] = check_connectivity
funcs_by_name['get_trex_path'] = get_trex_path
funcs_by_name['update_trex'] = update_trex
# trex_daemon_server
funcs_by_name['is_trex_daemon_running'] = trex_daemon_server.is_running
funcs_by_name['restart_trex_daemon'] = trex_daemon_server.restart
funcs_by_name['start_trex_daemon'] = trex_daemon_server.start
funcs_by_name['stop_trex_daemon'] = trex_daemon_server.stop
# stl rpc proxy
funcs_by_name['is_stl_rpc_proxy_running'] = stl_rpc_proxy.is_running
funcs_by_name['restart_stl_rpc_proxy'] = stl_rpc_proxy.restart
funcs_by_name['start_stl_rpc_proxy'] = stl_rpc_proxy.start
funcs_by_name['stop_stl_rpc_proxy'] = stl_rpc_proxy.stop
try:
set_logger()
register_socket(master_daemon.tag)
server = SimpleJSONRPCServer(('0.0.0.0', master_daemon.port))
logging.info('Started master daemon (port %s)' % master_daemon.port)
for name, func in funcs_by_name.items():
server.register_function(partial(log_usage, name, func), name)
server.register_function(server.funcs.keys, 'get_methods') # should be last
signal.signal(signal.SIGTSTP, stop_handler) # ctrl+z
signal.signal(signal.SIGTERM, stop_handler) # kill
server.serve_forever()
except KeyboardInterrupt:
logging.info('Ctrl+C')
except Exception as e:
logging.error('Closing due to error: %s' % e)
def server_thread(conn):
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
server = SimpleJSONRPCServer((my_host, my_port))
server.register_function(process_request, "request")
server.register_function(do_stop, "stop")
server.serve_forever()
def main():
"""
The code below starts an JSONRPC server
"""
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
parser = optparse.OptionParser(usage="%prog [OPTIONS]")
parser.add_option('-p', '--port', default='8080',
help='Port to serve on (default 8080)')
parser.add_option('-H', '--host', default='127.0.0.1',
help='Host to serve on (default localhost; 0.0.0.0 to make public)')
parser.add_option('-q', '--quiet', action='store_false', default=True, dest='verbose',
help="Quiet mode, don't print status msgs to stdout")
parser.add_option('-S', '--corenlp', default=DIRECTORY,
help='Stanford CoreNLP tool directory (default %s)' % DIRECTORY)
parser.add_option('-P', '--properties', default='default.properties',
help='Stanford CoreNLP properties fieles (default: default.properties)')
options, args = parser.parse_args()
VERBOSE = options.verbose
# server = jsonrpc.Server(jsonrpc.JsonRpc20(),
# jsonrpc.TransportTcpIp(addr=(options.host, int(options.port))))
try:
server = SimpleJSONRPCServer((options.host, int(options.port)))
nlp = StanfordCoreNLP(options.corenlp, properties=options.properties, serving=True)
server.register_function(nlp.parse)
server.register_function(nlp.raw_parse)
print 'Serving on http://%s:%s' % (options.host, options.port)
# server.serve()
server.serve_forever()
except KeyboardInterrupt:
print >>sys.stderr, "Bye."
exit()
def __init__(self, hostname='localhost', port=8080):
global methods
self._methods = methods
self.server = SimpleJSONRPCServer((hostname, port), logRequests=False)
self.server.register_introspection_functions()
for method in self._methods:
self.server.register_function(eval('self.{}'.format(method)))
self.processes = {}
class JSONRPCServer(SingletonClass):
def __initialize__(self, context_root='/', server_port=8181):
SimpleJSONRPCRequestHandler.log_request = log_request
SimpleJSONRPCRequestHandler.rpc_paths = (context_root)
self.server = SimpleJSONRPCServer(('', server_port))
def registerService(self, serviceName, function):
self.server.register_function(function, name=serviceName)
def start(self):
self.server_proc = Thread(target=self.server.serve_forever)
self.server_proc.daemon = True
self.server_proc.start()
def stop(self):
pass
def main():
parser = optparse.OptionParser(usage="%prog [OPTIONS]")
parser.add_option('-p', '--port', type="int", default=8080,
help="Port to bind to [8080]")
parser.add_option('--path', default=DIRECTORY,
help="Path to OpenNLP install [%s]" % DIRECTORY)
options, args = parser.parse_args()
addr = ('localhost', options.port)
uri = 'http://%s:%s' % addr
server = SimpleJSONRPCServer(addr)
print("Starting OpenNLP")
nlp = OpenNLP(options.path)
server.register_function(nlp.parse)
print("Serving on %s" % uri)
server.serve_forever()
def _dispatch(self, method, params):
if method == 'message':
# print "Will dispatch message to: " + params['service_name']
# dict_param = {}
# Extract the 'parameters' element from the top level JSON-RPC
# 'param'.
# Convert 'parameters' from [{'vin': 1234}, {hello: 'world'}] to
# a regular dictionary: {'vin': 1234, hello: 'world'}
# print "Parameters:", params['parameters']
# print "Parameter disctionary: ", dict_param
# print
# Ship the processed dispatch info upward.
return SimpleJSONRPCServer._dispatch(self, params['service_name'], params['parameters'])
# Fallthrough to all other methods.
# Will handle service_re3
return SimpleJSONRPCServer._dispatch(self,method, params)
class BackEndPool(Daemon):
def __init__(self):
self.backends = {}
def run(self):
self.server = SimpleJSONRPCServer(('localhost', 8473))
self.server.register_function(self.spawn_backends, "spawn")
self.server.register_function(self.kill_backends, "kill")
self.server.serve_forever()
def spawn_backends(self, backend):
space = backend['space']
model = backend['model']
if space not in self.backends:
self.backends[space] = {}
if model not in self.backends[space]:
self.backends[space][model] = []
self.backends[space][model].append(BackEndProcess(backend))
for be in self.backends[backend['space']][backend['model']]:
be.start()
def kill_backends(self, backend):
for be in self.backends[backend['space']][backend['model']]:
be.join()
class GDFANN_Node:
def __init__(self, domain='0.0.0.0', port=5000):
self._server = SimpleJSONRPCServer( (domain, port) )
functions = {
'run' : self.run
}
for name in functions.keys():
self._server.register_function(functions[name], name)
self._pop = None
def run(self, population):
if type(population) <> list:
return 'Population must be a list'
if self._pop is not None: del(self._pop)
self._pop = Populacao(None, verboso=True)
for i in population:
print i
self._pop.addIndividuo(Cromossomo(9,i))
print 'Evaluating population...'
self._pop.avaliarPopulacao(avaliacaoRNA)
print 'Sending answers...'
answersMSE = []
for i in self._pop.getIndividuos():
answersMSE.append(i.getAvaliacao())
print answersMSE
return answersMSE
def serve(self):
try:
print 'Server running. Press CTRL+C to stop...'
self._server.serve_forever()
except KeyboardInterrupt:
print 'Exiting'
def main():
global _PIDS
# Create a new JSON-RPC server on localhost:8080
s = SimpleJSONRPCServer(('localhost', 8080))
# Register the functions to be called by the PHP client
s.register_function(parse_html, 'parse_html')
# Creates 5 child server processes
for i in range(5):
# Fork current process
pid = os.fork()
# Child fork:
if 0 == pid:
# Prevent interrupt messages
for signum in ( signal.SIGINT, signal.SIGTERM, ):
signal.signal(signum, _gogentle)
# Start server
s.serve_forever()
os._exit(0)
# Parent:
else:
_PIDS.append(pid)
# Handle interrupt signals quietly
for signum in ( signal.SIGINT, signal.SIGTERM, ):
signal.signal(signum, _kronos)
# Wait for child processes
while len(_PIDS):
pid, rc = os.waitpid(-1, 0)
_PIDS.remove(pid)
return 0
def server_set_up(addr, address_family=socket.AF_INET):
# Not sure this is a good idea to spin up a new server thread
# for each test... but it seems to work fine.
def log_request(self, *args, **kwargs):
""" Making the server output 'quiet' """
pass
SimpleJSONRPCRequestHandler.log_request = log_request
server = SimpleJSONRPCServer(addr, address_family=address_family)
service = ExampleAggregateService()
# Expose an instance of the service
server.register_instance(service, allow_dotted_names=True)
# Expose some aliases for service methods
server.register_function(service.summation, 'sum')
server.register_function(service.summation, 'notify_sum')
server.register_function(service.summation, 'namespace.sum')
server_proc = Thread(target=server.serve_forever)
server_proc.daemon = True
server_proc.start()
return server_proc
class Daemon(DaemonThread):
def __init__(self, config, network):
DaemonThread.__init__(self)
self.config = config
self.network = network
self.wallets = {}
self.load_wallet()
self.cmd_runner = Commands(self.config, self.wallets, self.network)
host = config.get('rpchost', '0.0.0.0')
port = config.get('rpcport', 8000)
self.server = SimpleJSONRPCServer((host, port),
requestHandler=RequestHandler,
logRequests=False)
with open(lockfile(config), 'w') as f:
f.write(repr(self.server.socket.getsockname()))
self.server.timeout = 0.1
for cmdname in known_commands:
# rpc直接调用命令 --hetao
self.server.register_function(getattr(self.cmd_runner, cmdname),
cmdname)
self.server.register_function(self.ping, 'ping')
self.server.register_function(self.run_daemon, 'daemon')
def ping(self):
return True
def run_daemon(self, config):
sub = config.get('subcommand')
assert sub in ['start', 'stop', 'status']
if sub == 'start':
response = "Daemon already running"
elif sub == 'status':
p = self.network.get_parameters()
response = {
'path':
self.network.config.path,
'server':
p[0],
'blockchain_height':
self.network.get_local_height(),
'server_height':
self.network.get_server_height(),
'nodes':
self.network.get_interfaces(),
'connected':
self.network.is_connected(),
'auto_connect':
p[3],
'wallets':
dict([(k, w.is_up_to_date())
for k, w in self.wallets.items()]),
}
elif sub == 'stop':
self.stop()
response = "Daemon stopped"
return response
def load_wallet(self):
mongo = pymongo.MongoClient('192.168.14.240')
db = mongo.uwallet_user
for col_name in db.list_collection_names():
col = db.get_collection(col_name)
for user_name in col.find({}, {'_id': 1}):
user = '******'.join([col_name, user_name['_id']])
storage = WalletStorage(user)
wallet = Wallet(storage)
# automatically generate wallet for ulord
if not storage.file_exists:
seed = wallet.make_seed()
wallet.add_seed(seed, None)
wallet.create_master_keys(None)
wallet.create_main_account()
wallet.synchronize()
wallet.start_threads(self.network)
if wallet:
self.wallets[user] = wallet
def run(self):
i = 0
while self.is_running():
# self.server.handle_request()
try:
thread.start_new_thread(self.server.handle_request, ())
time.sleep(0.01)
i = i + 1
except Exception, ex:
i = 0
print ex
continue
os.unlink(lockfile(self.config))
time.sleep(MODEL_UPDATE_LAG_IN_SECONDS)
restoreVars()
loadModel()
# Setup watchdog
observer = Observer()
observer.schedule(ReloadModelHandler(), path=MODEL_DIR, recursive=False)
observer.start()
def classify(text):
text_series = pd.Series([text])
predict_x = np.array(list(vocab_processor.transform(text_series)))
print(predict_x)
y_predicted = [
p['class'] for p in classifier.predict(predict_x, as_iterable=True)
]
print(y_predicted[0])
topic = news_classes.class_map[str(y_predicted[0])]
return topic
# Threading RPC server
RPC_SERVER = SimpleJSONRPCServer((SERVER_HOST, SERVER_PORT))
RPC_SERVER.register_function(classify, 'classify')
print("Starting RPC Server on %s:%d" % (SERVER_HOST, SERVER_PORT))
RPC_SERVER.serve_forever()
class CTRexServer(object):
"""This class defines the server side of the RESTfull interaction with TRex"""
DEFAULT_TREX_PATH = '/auto/proj-pcube-b/apps/PL-b/tools/bp_sim2/v1.55/' #'/auto/proj-pcube-b/apps/PL-b/tools/nightly/trex_latest'
TREX_START_CMD = './t-rex-64'
DEFAULT_FILE_PATH = '/tmp/trex_files/'
def __init__(self,
trex_path,
trex_files_path,
trex_host='0.0.0.0',
trex_daemon_port=8090,
trex_zmq_port=4500):
"""
Parameters
----------
trex_host : str
a string of the t-rex ip address or hostname.
default value: machine hostname as fetched from socket.gethostname()
trex_daemon_port : int
the port number on which the trex-daemon server can be reached
default value: 8090
trex_zmq_port : int
the port number on which trex's zmq module will interact with daemon server
default value: 4500
Instantiate a TRex client object, and connecting it to listening daemon-server
"""
self.TREX_PATH = os.path.abspath(os.path.dirname(trex_path + '/'))
self.trex_files_path = os.path.abspath(
os.path.dirname(trex_files_path + '/'))
self.__check_trex_path_validity()
self.__check_files_path_validity()
self.trex = CTRex()
self.trex_version = None
self.trex_host = trex_host
self.trex_daemon_port = trex_daemon_port
self.trex_zmq_port = trex_zmq_port
self.trex_server_path = "http://{hostname}:{port}".format(
hostname=trex_host, port=trex_daemon_port)
self.start_lock = threading.Lock()
self.__reservation = None
self.zmq_monitor = ZmqMonitorSession(
self.trex, self.trex_zmq_port
) # intiate single ZMQ monitor thread for server usage
def add(self, x, y):
print("server function add ", x, y)
logger.info(
"Processing add function. Parameters are: {0}, {1} ".format(x, y))
return x + y
# return Fault(-10, "")
def push_file(self, filename, bin_data):
logger.info("Processing push_file() command.")
try:
filepath = os.path.abspath(
os.path.join(self.trex_files_path, filename))
with open(filepath, 'wb') as f:
f.write(binascii.a2b_base64(bin_data))
logger.info(
"push_file() command finished. `{name}` was saved at {fpath}".
format(name=filename, fpath=self.trex_files_path))
return True
except IOError as inst:
logger.error("push_file method failed. " + str(inst))
return False
def connectivity_check(self):
logger.info("Processing connectivity_check function.")
return True
def start(self):
"""This method fires up the daemon server based on initialized parameters of the class"""
# initialize the server instance with given resources
try:
print("Firing up TRex REST daemon @ port {trex_port} ...\n".format(
trex_port=self.trex_daemon_port))
logger.info(
"Firing up TRex REST daemon @ port {trex_port} ...".format(
trex_port=self.trex_daemon_port))
logger.info("current working dir is: {0}".format(self.TREX_PATH))
logger.info("current files dir is : {0}".format(
self.trex_files_path))
logger.debug(
"Starting TRex server. Registering methods to process.")
logger.info(self.get_trex_version(base64=False))
self.server = SimpleJSONRPCServer(
(self.trex_host, self.trex_daemon_port))
except socket.error as e:
if e.errno == errno.EADDRINUSE:
logger.error(
"TRex server requested address already in use. Aborting server launching."
)
print(
"TRex server requested address already in use. Aborting server launching."
)
raise socket.error(
errno.EADDRINUSE,
"TRex daemon requested address already in use. "
"Server launch aborted. Please make sure no other process is "
"using the desired server properties.")
elif isinstance(e, socket.gaierror) and e.errno == -3:
# handling Temporary failure in name resolution exception
raise socket.gaierror(
-3, "Temporary failure in name resolution.\n"
"Make sure provided hostname has DNS resolving.")
else:
raise
# set further functionality and peripherals to server instance
try:
self.server.register_function(self.add)
self.server.register_function(self.get_trex_log)
self.server.register_function(self.get_trex_daemon_log)
self.server.register_function(self.get_trex_version)
self.server.register_function(self.connectivity_check)
self.server.register_function(self.start_trex)
self.server.register_function(self.stop_trex)
self.server.register_function(self.wait_until_kickoff_finish)
self.server.register_function(self.get_running_status)
self.server.register_function(self.is_running)
self.server.register_function(self.get_running_info)
self.server.register_function(self.is_reserved)
self.server.register_function(self.get_files_path)
self.server.register_function(self.push_file)
self.server.register_function(self.reserve_trex)
self.server.register_function(self.cancel_reservation)
self.server.register_function(self.force_trex_kill)
signal.signal(signal.SIGTSTP, self.stop_handler)
signal.signal(signal.SIGTERM, self.stop_handler)
self.zmq_monitor.start()
self.server.serve_forever()
except KeyboardInterrupt:
logger.info("Daemon shutdown request detected.")
finally:
self.zmq_monitor.join() # close ZMQ monitor thread resources
self.server.shutdown()
pass
# get files from Trex server and return their content (mainly for logs)
@staticmethod
def _pull_file(filepath):
try:
with open(filepath, 'rb') as f:
file_content = f.read()
return binascii.b2a_base64(file_content)
except Exception as e:
err_str = "Can't get requested file: {0}, possibly due to TRex that did not run".format(
filepath)
logger.error('{0}, error: {1}'.format(err_str, e))
return Fault(-33, err_str)
# get Trex log /tmp/trex.txt
def get_trex_log(self):
logger.info("Processing get_trex_log() command.")
return self._pull_file('/tmp/trex.txt')
# get daemon log /var/log/trex/trex_daemon_server.log
def get_trex_daemon_log(self):
logger.info("Processing get_trex_daemon_log() command.")
return self._pull_file('/var/log/trex/trex_daemon_server.log')
# get Trex version from ./t-rex-64 --help (last lines starting with "Version : ...")
def get_trex_version(self, base64=True):
try:
logger.info("Processing get_trex_version() command.")
if not self.trex_version:
help_print = subprocess.Popen(['./t-rex-64', '--help'],
cwd=self.TREX_PATH,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
(stdout, stderr) = help_print.communicate()
search_result = re.search('\n\s*(Version\s*:.+)', stdout,
re.DOTALL)
if not search_result:
raise Exception(
'Could not determine version from ./t-rex-64 --help')
self.trex_version = binascii.b2a_base64(search_result.group(1))
if base64:
return self.trex_version
else:
return binascii.a2b_base64(self.trex_version)
except Exception as e:
err_str = "Can't get trex version, error: {0}".format(e)
logger.error(err_str)
return Fault(-33, err_str)
def stop_handler(self, signum, frame):
logger.info("Daemon STOP request detected.")
if self.is_running():
# in case TRex process is currently running, stop it before terminating server process
self.stop_trex(self.trex.get_seq())
sys.exit(0)
def is_running(self):
run_status = self.trex.get_status()
logger.info(
"Processing is_running() command. Running status is: {stat}".
format(stat=run_status))
if run_status == TRexStatus.Running:
return True
else:
return False
def is_reserved(self):
logger.info("Processing is_reserved() command.")
return bool(self.__reservation)
def get_running_status(self):
run_status = self.trex.get_status()
logger.info(
"Processing get_running_status() command. Running status is: {stat}"
.format(stat=run_status))
return {
'state': run_status.value,
'verbose': self.trex.get_verbose_status()
}
def get_files_path(self):
logger.info("Processing get_files_path() command.")
return self.trex_files_path
def reserve_trex(self, user):
if user == "":
logger.info(
"TRex reservation cannot apply to empty string user. Request denied."
)
return Fault(
-33,
"TRex reservation cannot apply to empty string user. Request denied."
)
with self.start_lock:
logger.info("Processing reserve_trex() command.")
if self.is_reserved():
if user == self.__reservation['user']:
# return True is the same user is asking and already has the resrvation
logger.info(
"the same user is asking and already has the resrvation. Re-reserving TRex."
)
return True
logger.info(
"TRex is already reserved to another user ({res_user}), cannot reserve to another user."
.format(res_user=self.__reservation['user']))
return Fault(
-33,
"TRex is already reserved to another user ({res_user}). Please make sure TRex is free before reserving it."
.format(res_user=self.__reservation['user']
)) # raise at client TRexInUseError
elif self.trex.get_status() != TRexStatus.Idle:
logger.info(
"TRex is currently running, cannot reserve TRex unless in Idle state."
)
return Fault(
-13,
'TRex is currently running, cannot reserve TRex unless in Idle state. Please try again when TRex run finished.'
) # raise at client TRexInUseError
else:
logger.info(
"TRex is now reserved for user ({res_user}).".format(
res_user=user))
self.__reservation = {'user': user, 'since': time.ctime()}
logger.debug("Reservation details: " + str(self.__reservation))
return True
def cancel_reservation(self, user):
with self.start_lock:
logger.info("Processing cancel_reservation() command.")
if self.is_reserved():
if self.__reservation['user'] == user:
logger.info(
"TRex reservation to {res_user} has been canceled successfully."
.format(res_user=self.__reservation['user']))
self.__reservation = None
return True
else:
logger.warning(
"TRex is reserved to different user than the provided one. Reservation wasn't canceled."
)
return Fault(
-33,
"Cancel reservation request is available to the user that holds the reservation. Request denied"
) # raise at client TRexRequestDenied
else:
logger.info(
"TRex is not reserved to anyone. No need to cancel anything"
)
assert (self.__reservation is None)
return False
def start_trex(self,
trex_cmd_options,
user,
block_to_success=True,
timeout=40):
with self.start_lock:
logger.info("Processing start_trex() command.")
if self.is_reserved():
# check if this is not the user to which TRex is reserved
if self.__reservation['user'] != user:
logger.info(
"TRex is reserved to another user ({res_user}). Only that user is allowed to initiate new runs."
.format(res_user=self.__reservation['user']))
return Fault(
-33,
"TRex is reserved to another user ({res_user}). Only that user is allowed to initiate new runs."
.format(res_user=self.__reservation['user']
)) # raise at client TRexRequestDenied
elif self.trex.get_status() != TRexStatus.Idle:
logger.info(
"TRex is already taken, cannot create another run until done."
)
return Fault(-13, '') # raise at client TRexInUseError
try:
server_cmd_data = self.generate_run_cmd(**trex_cmd_options)
self.zmq_monitor.first_dump = True
self.trex.start_trex(self.TREX_PATH, server_cmd_data)
logger.info("TRex session has been successfully initiated.")
if block_to_success:
# delay server response until TRex is at 'Running' state.
start_time = time.time()
trex_state = None
while (time.time() - start_time) < timeout:
trex_state = self.trex.get_status()
if trex_state != TRexStatus.Starting:
break
else:
time.sleep(0.5)
# check for TRex run started normally
if trex_state == TRexStatus.Starting: # reached timeout
logger.warning(
"TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout."
)
return Fault(
-12,
'TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout.'
) # raise at client TRexWarning
elif trex_state == TRexStatus.Idle:
return Fault(-11, self.trex.get_verbose_status()
) # raise at client TRexError
# reach here only if TRex is at 'Running' state
self.trex.gen_seq()
return self.trex.get_seq(
) # return unique seq number to client
except TypeError as e:
logger.error(
"TRex command generation failed, probably because either -f (traffic generation .yaml file) and -c (num of cores) was not specified correctly.\nReceived params: {params}"
.format(params=trex_cmd_options))
raise TypeError(
'TRex -f (traffic generation .yaml file) and -c (num of cores) must be specified.'
)
def stop_trex(self, seq):
logger.info("Processing stop_trex() command.")
if self.trex.get_seq() == seq:
logger.debug("Abort request legit since seq# match")
return self.trex.stop_trex()
else:
if self.trex.get_status() != TRexStatus.Idle:
logger.warning(
"Abort request is only allowed to process initiated the run. Request denied."
)
return Fault(
-33,
'Abort request is only allowed to process initiated the run. Request denied.'
) # raise at client TRexRequestDenied
else:
return False
def force_trex_kill(self):
logger.info(
"Processing force_trex_kill() command. --> Killing TRex session indiscriminately."
)
return self.trex.stop_trex()
def wait_until_kickoff_finish(self, timeout=40):
# block until TRex exits Starting state
logger.info("Processing wait_until_kickoff_finish() command.")
trex_state = None
start_time = time.time()
while (time.time() - start_time) < timeout:
trex_state = self.trex.get_status()
if trex_state != TRexStatus.Starting:
return
return Fault(
-12,
'TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout.'
) # raise at client TRexWarning
def get_running_info(self):
logger.info("Processing get_running_info() command.")
return self.trex.get_running_info()
def generate_run_cmd(self,
f,
d,
iom=0,
export_path="/tmp/trex.txt",
**kwargs):
""" generate_run_cmd(self, trex_cmd_options, export_path) -> str
Generates a custom running command for the kick-off of the TRex traffic generator.
Returns a tuple of command (string) and export path (string) to be issued on the trex server
Parameters
----------
kwargs: dictionary
Dictionary of parameters for trex. For example: (c=1, nc=True, l_pkt_mode=3).
Notice that when sending command line parameters that has -, you need to replace it with _.
for example, to have on command line "--l-pkt-mode 3", you need to send l_pkt_mode=3
export_path : str
Full system path to which the results of the trex-run will be logged.
"""
if 'results_file_path' in kwargs:
export_path = kwargs['results_file_path']
del kwargs['results_file_path']
# adding additional options to the command
trex_cmd_options = ''
for key, value in kwargs.items():
tmp_key = key.replace('_', '-')
dash = ' -' if (len(key) == 1) else ' --'
if (value == True) and (
str(value) != '1'
): # checking also int(value) to excape from situation that 1 translates by python to 'True'
trex_cmd_options += (dash + tmp_key)
else:
trex_cmd_options += (dash +
'{k} {val}'.format(k=tmp_key, val=value))
cmd = "{run_command} -f {gen_file} -d {duration} --iom {io} {cmd_options} --no-key > {export}".format( # -- iom 0 disables the periodic log to the screen (not needed)
run_command=self.TREX_START_CMD,
gen_file=f,
duration=d,
cmd_options=trex_cmd_options,
io=iom,
export=export_path)
logger.info("TREX FULL COMMAND: {command}".format(command=cmd))
return (cmd, export_path, int(d))
def __check_trex_path_validity(self):
# check for executable existance
if not os.path.exists(self.TREX_PATH + '/t-rex-64'):
print(
"The provided TRex path do not contain an executable TRex file.\nPlease check the path and retry."
)
logger.error(
"The provided TRex path do not contain an executable TRex file"
)
exit(-1)
# check for executable permissions
st = os.stat(self.TREX_PATH + '/t-rex-64')
if not bool(st.st_mode & (stat.S_IXUSR)):
print(
"The provided TRex path do not contain an TRex file with execution privileges.\nPlease check the files permissions and retry."
)
logger.error(
"The provided TRex path do not contain an TRex file with execution privileges"
)
exit(-1)
else:
return
def __check_files_path_validity(self):
# first, check for path existance. otherwise, try creating it with appropriate credentials
if not os.path.exists(self.trex_files_path):
try:
os.makedirs(self.trex_files_path, 0o660)
return
except os.error as inst:
print(
"The provided files path does not exist and cannot be created with needed access credentials using root user.\nPlease check the path's permissions and retry."
)
logger.error(
"The provided files path does not exist and cannot be created with needed access credentials using root user."
)
exit(-1)
elif os.access(self.trex_files_path, os.W_OK):
return
else:
print(
"The provided files path has insufficient access credentials for root user.\nPlease check the path's permissions and retry."
)
logger.error(
"The provided files path has insufficient access credentials for root user"
)
exit(-1)
def daemon(self, config):
network = self.network
devices = self.devices
workers = {}
def _classify(params):
ret = { }
output_dim = {}
hash = hashlib.new('ripemd160')
hash.update(json.dumps(params))
hash = hash.hexdigest()
for k in params:
try:
params[k] = numpy.asarray(params[k], dtype='float32')
if k != 'data':
output_dim[k] = network.n_out[k] # = [network.n_in,2] if k == 'data' else network.n_out[k]
except Exception:
if k != 'data' and not k in network.n_out:
ret['error'] = 'unknown target: %s' % k
else:
ret['error'] = 'unable to convert %s to an array from value %s' % (k,str(params[k]))
break
if not 'error' in ret:
data = StaticDataset(data=[params], output_dim=output_dim)
data.init_seq_order()
try:
data = StaticDataset(data=[params], output_dim=output_dim)
data.init_seq_order()
except Exception:
ret['error'] = "invalid data: %s" % params
else:
batches = data.generate_batches(recurrent_net=network.recurrent,
batch_size=sys.maxsize, max_seqs=1)
if not hash in workers:
workers[hash] = ClassificationTaskThread(network, devices, data, batches)
workers[hash].json_params = params
print("worker started:", hash, file=log.v3)
ret['result'] = { 'hash' : hash }
return ret
def _backprob(params):
ret = {}
def _result(hash):
if not workers[hash].isAlive():
return { 'result' : { k : workers[hash].result[k].tolist() for k in workers[hash].result } }
else:
return { 'error' : "working ..."}
class RequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
def do_POST(self):
if len(self.path) == 0:
self.send_response(404)
return
self.path = self.path[1:]
ret = {}
if self.path in ['classify']:
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
if ctype == 'application/json':
length = int(self.headers.getheader('content-length'))
params = cgi.parse_qs(self.rfile.read(length),keep_blank_values=1)
try:
content = params.keys()[0].decode('utf-8') # this is weird
params = json.loads(content)
except Exception:
ret['error'] = 'unable to decode object'
else:
ret.update(_classify(params))
else:
ret['error'] = 'invalid header: %s' % ctype
else:
ret['error'] = 'invalid command: %s' % self.path
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.wfile.write("\n")
self.wfile.write(json.dumps(ret))
self.end_headers()
def do_GET(self):
if len(self.path.replace('/', '')) == 0:
self.send_response(200)
else:
if len(self.path) == 0:
self.send_response(404)
return
ret = { 'error' : "" }
self.path = self.path[1:].split('/')
if self.path[0] in ['result']:
if self.path[1] in workers:
if not workers[self.path[1]].isAlive():
ret['result'] = { k : workers[self.path[1]].result[k] for k in workers[self.path[1]].result }
else:
ret['error'] = "working ..."
else:
ret['error'] = "unknown hash: " % self.path[1]
else:
ret['error'] = "invalid command: %s" % self.path[0]
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.wfile.write("\n")
self.wfile.write(json.dumps(ret))
self.end_headers()
def log_message(self, format, *args): pass
class ThreadingServer(SocketServer.ThreadingMixIn, BaseHTTPServer.HTTPServer):
pass
port = config.int('daemon.port', 3333)
httpd = ThreadingServer(("", port), RequestHandler)
print("httpd listening on port", port, file=log.v3)
try:
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer # https://pypi.python.org/pypi/jsonrpclib/0.1.6
except Exception:
httpd.serve_forever()
else:
from thread import start_new_thread
start_new_thread(httpd.serve_forever, ())
server = SimpleJSONRPCServer(('0.0.0.0', port+1))
server.register_function(_classify, 'classify')
server.register_function(_result, 'result')
server.register_function(_backprob, 'backprob')
print("json-rpc listening on port", port+1, file=log.v3)
server.serve_forever()
def main():
server = SimpleJSONRPCServer(('localhost', 1006))
server.register_function(predict)
print("Start server")
server.serve_forever()
def __init__(self, *args, **kwargs):
SimpleJSONRPCServer.__init__(self, *args, **kwargs)
import sys
from bson.json_util import dumps
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
# import utils packages
sys.path.append(os.path.join(os.path.dirname(__file__), 'utils'))
import mongodb_client # pylint: disable=import-error, wrong-import-position
SERVER_HOST = 'localhost'
SERVER_PORT = 4040
def add(num1, num2):
"""Test method"""
print("Add is called with %d and %d" % (num1, num2))
return num1 + num2
def get_one_news():
"""Get One News"""
print("get_one_news is called")
news = mongodb_client.get_db()['news'].find_one()
return json.loads(dumps(news))
RPC_SERVER = SimpleJSONRPCServer((SERVER_HOST, SERVER_PORT))
RPC_SERVER.register_function(add, 'add')
RPC_SERVER.register_function(get_one_news, 'getOneNews')
print("Starting RPC Server on %s:%d " % (SERVER_HOST, SERVER_PORT))
RPC_SERVER.serve_forever()
class OverlordClientDaemon(object):
"""Overlord Client Daemon."""
def __init__(self):
self._state = DaemonState()
self._server = None
def Start(self):
self.StartRPCServer()
def StartRPCServer(self):
self._server = SimpleJSONRPCServer(_OVERLORD_CLIENT_DAEMON_RPC_ADDR,
logRequests=False)
exports = [
(self.State, 'State'),
(self.Ping, 'Ping'),
(self.GetPid, 'GetPid'),
(self.Connect, 'Connect'),
(self.Clients, 'Clients'),
(self.SelectClient, 'SelectClient'),
(self.AddForward, 'AddForward'),
(self.RemoveForward, 'RemoveForward'),
(self.RemoveAllForward, 'RemoveAllForward'),
]
for func, name in exports:
self._server.register_function(func, name)
pid = os.fork()
if pid == 0:
self._server.serve_forever()
@staticmethod
def GetRPCServer():
"""Returns the Overlord client daemon RPC server."""
server = jsonrpclib.Server('http://%s:%d' %
_OVERLORD_CLIENT_DAEMON_RPC_ADDR)
try:
server.Ping()
except Exception:
return None
return server
def State(self):
return self._state
def Ping(self):
return True
def GetPid(self):
return os.getpid()
def _GetJSON(self, path):
url = '%s:%d%s' % (self._state.host, self._state.port, path)
return json.loads(UrlOpen(self._state, url).read())
def _TLSEnabled(self):
"""Determine if TLS is enabled on given server address."""
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
# Allow any certificate since we only want to check if server talks TLS.
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
context.verify_mode = ssl.CERT_NONE
sock = context.wrap_socket(sock, server_hostname=self._state.host)
sock.settimeout(_CONNECT_TIMEOUT)
sock.connect((self._state.host, self._state.port))
return True
except ssl.SSLError as e:
return False
except socket.error: # Connect refused or timeout
raise
except Exception:
return False # For whatever reason above failed, assume False
def _CheckTLSCertificate(self):
"""Check TLS certificate.
Returns:
A tupple (check_result, if_certificate_is_loaded)
"""
def _DoConnect(context):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
sock.settimeout(_CONNECT_TIMEOUT)
sock = context.wrap_socket(sock,
server_hostname=self._state.host)
sock.connect((self._state.host, self._state.port))
except ssl.SSLError:
return False
finally:
sock.close()
# Save SSLContext for future use.
self._state.ssl_context = context
return True
# First try connect with built-in certificates
tls_context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
if _DoConnect(tls_context):
return True
# Try with already saved certificate, if any.
tls_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
tls_context.verify_mode = ssl.CERT_REQUIRED
tls_context.check_hostname = True
tls_cert_path = GetTLSCertPath(self._state.host)
if os.path.exists(tls_cert_path):
tls_context.load_verify_locations(tls_cert_path)
self._state.ssl_self_signed = True
return _DoConnect(tls_context)
def Connect(self,
host,
port=_OVERLORD_HTTP_PORT,
ssh_pid=None,
username=None,
password=None,
orig_host=None):
self._state.username = username
self._state.password = password
self._state.host = host
self._state.port = port
self._state.ssl = False
self._state.ssl_self_signed = False
self._state.orig_host = orig_host
self._state.ssh_pid = ssh_pid
self._state.selected_mid = None
tls_enabled = self._TLSEnabled()
if tls_enabled:
result = self._CheckTLSCertificate()
if not result:
if self._state.ssl_self_signed:
return ('SSLCertificateChanged',
ssl.get_server_certificate(
(self._state.host, self._state.port)))
else:
return ('SSLVerifyFailed',
ssl.get_server_certificate(
(self._state.host, self._state.port)))
try:
self._state.ssl = tls_enabled
UrlOpen(self._state, '%s:%d' % (host, port))
except urllib2.HTTPError as e:
return ('HTTPError', e.getcode(), str(e), e.read().strip())
except Exception as e:
return str(e)
else:
return True
def Clients(self):
if time.time() - self._state.last_list <= _LIST_CACHE_TIMEOUT:
return self._state.listing
mids = [client['mid'] for client in self._GetJSON('/api/agents/list')]
self._state.listing = sorted(list(set(mids)))
self._state.last_list = time.time()
return self._state.listing
def SelectClient(self, mid):
self._state.selected_mid = mid
def AddForward(self, mid, remote, local, pid):
self._state.forwards[local] = (mid, remote, pid)
def RemoveForward(self, local_port):
try:
unused_mid, unused_remote, pid = self._state.forwards[local_port]
KillGraceful(pid)
del self._state.forwards[local_port]
except (KeyError, OSError):
pass
def RemoveAllForward(self):
for unused_mid, unused_remote, pid in self._state.forwards.values():
try:
KillGraceful(pid)
except OSError:
pass
self._state.forwards = {}
def startservers(self):
server = SimpleJSONRPCServer((IP, self.serverport))
server.register_function(self.deviceConnected)
server.register_function(self.deviceDisconnected)
server.register_function(self.portAdded)
server.register_function(self.portRemoved)
server.register_function(self.linkup)
server.register_function(self.linkdown)
try:
self.fvthread = threading.Thread(target=server.serve_forever)
print "Start callback server"
self.fvthread.start()
self.httpd.serve_forever()
except KeyboardInterrupt:
server.shutdown()
self.unregisterFromFV()
sys.exit(1)
# create watching_only wallet
storage = electrum.WalletStorage(c)
if not storage.file_exists:
print "creating wallet file"
wallet = electrum.wallet.Wallet.from_xpub(xpub, storage)
else:
wallet = electrum.wallet.Wallet(storage)
wallet.synchronize = lambda: None # prevent address creation by the wallet
wallet.start_threads(network)
network.register_callback('updated', on_wallet_update)
threading.Thread(target=db_thread, args=()).start()
out_queue = Queue.Queue()
# server thread
from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
server = SimpleJSONRPCServer((my_host, my_port))
server.register_function(process_request, 'request')
server.register_function(do_dump, 'dump')
server.register_function(getrequest, 'getrequest')
server.register_function(do_stop, 'stop')
server.socket.settimeout(1)
while not stopping:
try:
server.handle_request()
except socket.timeout:
continue
class CTRexServer(object):
"""This class defines the server side of the RESTfull interaction with TRex"""
TREX_START_CMD = './t-rex-64'
DEFAULT_FILE_PATH = '/tmp/trex_files/'
def __init__(self,
trex_path,
trex_files_path,
trex_host='0.0.0.0',
trex_daemon_port=8090,
trex_zmq_port=4500,
trex_nice=-19):
"""
Parameters
----------
trex_host : str
a string of the TRex ip address or hostname.
default value: machine hostname as fetched from socket.gethostname()
trex_daemon_port : int
the port number on which the trex-daemon server can be reached
default value: 8090
trex_zmq_port : int
the port number on which trex's zmq module will interact with daemon server
default value: 4500
nice: int
priority of the TRex process
Instantiate a TRex client object, and connecting it to listening daemon-server
"""
self.TREX_PATH = os.path.abspath(os.path.dirname(trex_path + '/'))
self.trex_files_path = os.path.abspath(
os.path.dirname(trex_files_path + '/'))
self.__check_trex_path_validity()
self.__check_files_path_validity()
self.trex = CTRex()
self.trex_version = None
self.trex_host = trex_host
self.trex_daemon_port = trex_daemon_port
self.trex_zmq_port = trex_zmq_port
self.trex_server_path = "http://{hostname}:{port}".format(
hostname=trex_host, port=trex_daemon_port)
self.start_lock = threading.Lock()
self.__reservation = None
self.zmq_monitor = ZmqMonitorSession(
self.trex, self.trex_zmq_port
) # intiate single ZMQ monitor thread for server usage
self.trex_nice = int(trex_nice)
if self.trex_nice < -20 or self.trex_nice > 19:
err = "Parameter 'nice' should be integer in range [-20, 19]"
print(err)
logger.error(err)
raise Exception(err)
def add(self, x, y):
logger.info(
"Processing add function. Parameters are: {0}, {1} ".format(x, y))
return x + y
# return Fault(-10, "")
def push_file(self, filename, bin_data):
logger.info("Processing push_file() command.")
try:
filepath = os.path.join(self.trex_files_path,
os.path.basename(filename))
with open(filepath, 'wb') as f:
f.write(binascii.a2b_base64(bin_data))
logger.info("push_file() command finished. File is saved as %s" %
filepath)
return True
except IOError as inst:
logger.error("push_file method failed. " + str(inst))
return False
def connectivity_check(self):
logger.info("Processing connectivity_check function.")
return True
def start(self):
"""This method fires up the daemon server based on initialized parameters of the class"""
# initialize the server instance with given resources
try:
print("Firing up TRex REST daemon @ port {trex_port} ...\n".format(
trex_port=self.trex_daemon_port))
logger.info(
"Firing up TRex REST daemon @ port {trex_port} ...".format(
trex_port=self.trex_daemon_port))
logger.info("current working dir is: {0}".format(self.TREX_PATH))
logger.info("current files dir is : {0}".format(
self.trex_files_path))
logger.debug(
"Starting TRex server. Registering methods to process.")
logger.info(self.get_trex_version(base64=False))
self.server = SimpleJSONRPCServer(
(self.trex_host, self.trex_daemon_port))
except socket.error as e:
if e.errno == errno.EADDRINUSE:
logger.error(
"TRex server requested address already in use. Aborting server launching."
)
print(
"TRex server requested address already in use. Aborting server launching."
)
raise socket.error(
errno.EADDRINUSE,
"TRex daemon requested address already in use. "
"Server launch aborted. Please make sure no other process is "
"using the desired server properties.")
elif isinstance(e, socket.gaierror) and e.errno == -3:
# handling Temporary failure in name resolution exception
raise socket.gaierror(
-3, "Temporary failure in name resolution.\n"
"Make sure provided hostname has DNS resolving.")
else:
raise
# set further functionality and peripherals to server instance
self.server.register_function(self.add)
self.server.register_function(self.cancel_reservation)
self.server.register_function(self.connectivity_check)
self.server.register_function(self.connectivity_check,
'check_connectivity') # alias
self.server.register_function(self.force_trex_kill)
self.server.register_function(self.get_file)
self.server.register_function(self.get_files_list)
self.server.register_function(self.get_files_path)
self.server.register_function(self.get_latest_dump)
self.server.register_function(self.get_running_info)
self.server.register_function(self.get_running_status)
self.server.register_function(self.get_trex_cmds)
self.server.register_function(self.get_trex_config)
self.server.register_function(self.get_trex_daemon_log)
self.server.register_function(self.get_trex_log)
self.server.register_function(self.get_trex_version)
self.server.register_function(self.is_reserved)
self.server.register_function(self.is_running)
self.server.register_function(self.kill_all_trexes)
self.server.register_function(self.push_file)
self.server.register_function(self.reserve_trex)
self.server.register_function(self.start_trex)
self.server.register_function(self.stop_trex)
self.server.register_function(self.wait_until_kickoff_finish)
signal.signal(signal.SIGTSTP, self.stop_handler)
signal.signal(signal.SIGTERM, self.stop_handler)
try:
self.zmq_monitor.start()
self.server.serve_forever()
except KeyboardInterrupt:
logger.info("Daemon shutdown request detected.")
finally:
self.zmq_monitor.join() # close ZMQ monitor thread resources
self.server.shutdown()
#self.server.server_close()
# get files from Trex server and return their content (mainly for logs)
@staticmethod
def _pull_file(filepath):
try:
with open(filepath, 'rb') as f:
file_content = f.read()
return binascii.b2a_base64(file_content).decode(
errors='replace')
except Exception as e:
err_str = "Can't get requested file %s: %s" % (filepath, e)
logger.error(err_str)
return Fault(-33, err_str)
# returns True if given path is under TRex package or under /tmp/trex_files
def _check_path_under_TRex_or_temp(self, path):
if not os.path.relpath(path, self.trex_files_path).startswith(
os.pardir):
return True
if not os.path.relpath(path, self.TREX_PATH).startswith(os.pardir):
return True
return False
# gets the file content encoded base64 either from /tmp/trex_files or TRex server dir
def get_file(self, filepath):
try:
logger.info("Processing get_file() command.")
if not self._check_path_under_TRex_or_temp(filepath):
raise Exception(
'Given path should be under current TRex package or /tmp/trex_files'
)
return self._pull_file(filepath)
except Exception as e:
err_str = "Can't get requested file %s: %s" % (filepath, e)
logger.error(err_str)
return Fault(-33, err_str)
# get tuple (dirs, files) with directories and files lists from given path (limited under TRex package or /tmp/trex_files)
def get_files_list(self, path):
try:
logger.info("Processing get_files_list() command, given path: %s" %
path)
if not self._check_path_under_TRex_or_temp(path):
raise Exception(
'Given path should be under current TRex package or /tmp/trex_files'
)
return os.walk(path).next()[1:3]
except Exception as e:
err_str = "Error processing get_files_list(): %s" % e
logger.error(err_str)
return Fault(-33, err_str)
# get Trex log /tmp/trex.txt
def get_trex_log(self):
logger.info("Processing get_trex_log() command.")
return self._pull_file('/tmp/trex.txt')
# get /etc/trex_cfg.yaml
def get_trex_config(self):
logger.info("Processing get_trex_config() command.")
return self._pull_file('/etc/trex_cfg.yaml')
# get daemon log /var/log/trex/trex_daemon_server.log
def get_trex_daemon_log(self):
logger.info("Processing get_trex_daemon_log() command.")
return self._pull_file('/var/log/trex/trex_daemon_server.log')
# get Trex version from ./t-rex-64 --help (last lines starting with "Version : ...")
def get_trex_version(self, base64=True):
try:
logger.info("Processing get_trex_version() command.")
if not self.trex_version:
ret_code, stdout, stderr = run_command('./t-rex-64 --help',
cwd=self.TREX_PATH)
search_result = re.search('\n\s*(Version\s*:.+)', stdout,
re.DOTALL)
if not search_result:
raise Exception(
'Could not determine version from ./t-rex-64 --help')
self.trex_version = binascii.b2a_base64(
search_result.group(1).encode(errors='replace'))
if base64:
return self.trex_version.decode(errors='replace')
else:
return binascii.a2b_base64(
self.trex_version).decode(errors='replace')
except Exception as e:
err_str = "Can't get trex version, error: %s" % e
logger.error(err_str)
return Fault(-33, err_str)
def stop_handler(self, *args, **kwargs):
logger.info("Daemon STOP request detected.")
if self.is_running():
# in case TRex process is currently running, stop it before terminating server process
self.stop_trex(self.trex.get_seq())
sys.exit(0)
def assert_zmq_ok(self):
if self.trex.zmq_error:
self.trex.zmq_error, err = None, self.trex.zmq_error
raise Exception('ZMQ thread got error: %s' % err)
if not self.zmq_monitor.is_alive():
if self.trex.get_status() != TRexStatus.Idle:
self.force_trex_kill()
raise Exception('ZMQ thread is dead.')
def is_running(self):
run_status = self.trex.get_status()
logger.info(
"Processing is_running() command. Running status is: {stat}".
format(stat=run_status))
if run_status == TRexStatus.Running:
return True
else:
return False
def is_reserved(self):
logger.info("Processing is_reserved() command.")
return bool(self.__reservation)
def get_running_status(self):
run_status = self.trex.get_status()
logger.info(
"Processing get_running_status() command. Running status is: {stat}"
.format(stat=run_status))
return {
'state': run_status.value,
'verbose': self.trex.get_verbose_status()
}
def get_files_path(self):
logger.info("Processing get_files_path() command.")
return self.trex_files_path
def reserve_trex(self, user):
if user == "":
logger.info(
"TRex reservation cannot apply to empty string user. Request denied."
)
return Fault(
-33,
"TRex reservation cannot apply to empty string user. Request denied."
)
with self.start_lock:
logger.info("Processing reserve_trex() command.")
if self.is_reserved():
if user == self.__reservation['user']:
# return True is the same user is asking and already has the resrvation
logger.info(
"the same user is asking and already has the resrvation. Re-reserving TRex."
)
return True
logger.info(
"TRex is already reserved to another user ({res_user}), cannot reserve to another user."
.format(res_user=self.__reservation['user']))
return Fault(
-33,
"TRex is already reserved to another user ({res_user}). Please make sure TRex is free before reserving it."
.format(res_user=self.__reservation['user']
)) # raise at client TRexInUseError
elif self.trex.get_status() != TRexStatus.Idle:
logger.info(
"TRex is currently running, cannot reserve TRex unless in Idle state."
)
return Fault(
-13,
'TRex is currently running, cannot reserve TRex unless in Idle state. Please try again when TRex run finished.'
) # raise at client TRexInUseError
else:
logger.info(
"TRex is now reserved for user ({res_user}).".format(
res_user=user))
self.__reservation = {'user': user, 'since': time.ctime()}
logger.debug("Reservation details: " + str(self.__reservation))
return True
def cancel_reservation(self, user):
with self.start_lock:
logger.info("Processing cancel_reservation() command.")
if self.is_reserved():
if self.__reservation['user'] == user:
logger.info(
"TRex reservation to {res_user} has been canceled successfully."
.format(res_user=self.__reservation['user']))
self.__reservation = None
return True
else:
logger.warning(
"TRex is reserved to different user than the provided one. Reservation wasn't canceled."
)
return Fault(
-33,
"Cancel reservation request is available to the user that holds the reservation. Request denied"
) # raise at client TRexRequestDenied
else:
logger.info(
"TRex is not reserved to anyone. No need to cancel anything"
)
assert (self.__reservation is None)
return False
def start_trex(self,
trex_cmd_options,
user,
block_to_success=True,
timeout=40,
stateless=False,
debug_image=False,
trex_args=''):
self.trex.zmq_error = None
self.assert_zmq_ok()
with self.start_lock:
logger.info("Processing start_trex() command.")
if self.is_reserved():
# check if this is not the user to which TRex is reserved
if self.__reservation['user'] != user:
logger.info(
"TRex is reserved to another user ({res_user}). Only that user is allowed to initiate new runs."
.format(res_user=self.__reservation['user']))
return Fault(
-33,
"TRex is reserved to another user ({res_user}). Only that user is allowed to initiate new runs."
.format(res_user=self.__reservation['user']
)) # raise at client TRexRequestDenied
elif self.trex.get_status() != TRexStatus.Idle:
err = 'TRex is already taken, cannot create another run until done.'
logger.info(err)
return Fault(-13, err) # raise at client TRexInUseError
try:
server_cmd_data = self.generate_run_cmd(
stateless=stateless,
debug_image=debug_image,
trex_args=trex_args,
**trex_cmd_options)
self.zmq_monitor.first_dump = True
self.trex.start_trex(self.TREX_PATH, server_cmd_data)
logger.info("TRex session has been successfully initiated.")
if block_to_success:
# delay server response until TRex is at 'Running' state.
start_time = time.time()
trex_state = None
while (time.time() - start_time) < timeout:
trex_state = self.trex.get_status()
if trex_state != TRexStatus.Starting:
break
else:
time.sleep(0.5)
self.assert_zmq_ok()
# check for TRex run started normally
if trex_state == TRexStatus.Starting: # reached timeout
logger.warning(
"TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout."
)
return Fault(
-12,
'TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout.'
) # raise at client TRexWarning
elif trex_state == TRexStatus.Idle:
return Fault(-11, self.trex.get_verbose_status()
) # raise at client TRexError
# reach here only if TRex is at 'Running' state
self.trex.gen_seq()
return self.trex.get_seq(
) # return unique seq number to client
except TypeError as e:
logger.error(
"TRex command generation failed, probably because either -f (traffic generation .yaml file) and -c (num of cores) was not specified correctly.\nReceived params: {params}"
.format(params=trex_cmd_options))
raise TypeError(
'TRex -f (traffic generation .yaml file) and -c (num of cores) must be specified. %s'
% e)
def stop_trex(self, seq):
logger.info("Processing stop_trex() command.")
if self.trex.get_seq() == seq:
logger.debug("Abort request legit since seq# match")
return self.trex.stop_trex()
else:
if self.trex.get_status() != TRexStatus.Idle:
logger.warning(
"Abort request is only allowed to process initiated the run. Request denied."
)
return Fault(
-33,
'Abort request is only allowed to process initiated the run. Request denied.'
) # raise at client TRexRequestDenied
else:
return False
def force_trex_kill(self):
logger.info(
"Processing force_trex_kill() command. --> Killing TRex session indiscriminately."
)
return self.trex.stop_trex()
# returns list of tuples (pid, command line) of running TRex(es)
def get_trex_cmds(self):
logger.info('Processing get_trex_cmds() command.')
ret_code, stdout, stderr = run_command(
'ps -u root --format pid,comm,cmd')
if ret_code:
raise Exception(
'Failed to determine running processes, stderr: %s' % stderr)
trex_cmds_list = []
for line in stdout.splitlines():
pid, proc_name, full_cmd = line.strip().split(' ', 2)
pid = pid.strip()
full_cmd = full_cmd.strip()
if proc_name.find('_t-rex-64') >= 0:
trex_cmds_list.append((pid, full_cmd))
return trex_cmds_list
# Silently tries to kill TRexes with given signal.
# Responsibility of client to verify with get_trex_cmds.
def kill_all_trexes(self, signal_name):
logger.info('Processing kill_all_trexes() command.')
trex_cmds_list = self.get_trex_cmds()
for pid, cmd in trex_cmds_list:
logger.info('Killing with signal %s process %s %s' %
(signal_name, pid, cmd))
try:
os.kill(int(pid), signal_name)
except OSError as e:
if e.errno == errno.ESRCH:
logger.info('No such process, ignoring.')
raise
def wait_until_kickoff_finish(self, timeout=40):
# block until TRex exits Starting state
logger.info("Processing wait_until_kickoff_finish() command.")
start_time = time.time()
while (time.time() - start_time) < timeout:
self.assert_zmq_ok()
trex_state = self.trex.get_status()
if trex_state != TRexStatus.Starting:
return
time.sleep(0.1)
return Fault(
-12,
'TimeoutError: TRex initiation outcome could not be obtained, since TRex stays at Starting state beyond defined timeout.'
) # raise at client TRexWarning
def get_running_info(self):
self.assert_zmq_ok()
logger.info("Processing get_running_info() command.")
return self.trex.get_running_info()
def get_latest_dump(self):
logger.info("Processing get_latest_dump() command.")
return self.trex.get_latest_dump()
def generate_run_cmd(self,
iom=0,
export_path="/tmp/trex.txt",
stateless=False,
debug_image=False,
trex_args='',
**kwargs):
""" generate_run_cmd(self, iom, export_path, kwargs) -> str
Generates a custom running command for the kick-off of the TRex traffic generator.
Returns a tuple of command (string) and export path (string) to be issued on the trex server
Parameters
----------
iom: int
0 = don't print stats screen to log, 1 = print stats (can generate huge logs)
stateless: boolean
True = run as stateless, False = require -f and -d arguments
kwargs: dictionary
Dictionary of parameters for trex. For example: (c=1, nc=True, l_pkt_mode=3).
Notice that when sending command line parameters that has -, you need to replace it with _.
for example, to have on command line "--l-pkt-mode 3", you need to send l_pkt_mode=3
export_path : str
Full system path to which the results of the trex-run will be logged.
"""
if 'results_file_path' in kwargs:
export_path = kwargs['results_file_path']
del kwargs['results_file_path']
if stateless:
kwargs['i'] = True
# adding additional options to the command
trex_cmd_options = ''
for key, value in kwargs.items():
tmp_key = key.replace('_', '-').lstrip('-')
dash = ' -' if (len(key) == 1) else ' --'
if value is True:
trex_cmd_options += (dash + tmp_key)
elif value is False:
continue
else:
trex_cmd_options += (dash +
'{k} {val}'.format(k=tmp_key, val=value))
if trex_args:
trex_cmd_options += ' %s' % trex_args
self._check_zmq_port(trex_cmd_options)
if not stateless:
if 'f' not in kwargs:
raise Exception(
'Argument -f should be specified in stateful command')
if 'd' not in kwargs:
raise Exception(
'Argument -d should be specified in stateful command')
cmd = "{nice}{run_command}{debug_image} --iom {io} {cmd_options} --no-key".format( # -- iom 0 disables the periodic log to the screen (not needed)
nice='' if self.trex_nice == 0 else 'nice -n %s ' % self.trex_nice,
run_command=self.TREX_START_CMD,
debug_image='-debug' if debug_image else '',
cmd_options=trex_cmd_options,
io=iom)
logger.info("TREX FULL COMMAND: {command}".format(command=cmd))
return (cmd, export_path, kwargs.get('d', 0))
def _check_zmq_port(self, trex_cmd_options):
zmq_cfg_port = 4500 # default
parser = ArgumentParser()
parser.add_argument('--cfg', default='/etc/trex_cfg.yaml')
args, _ = parser.parse_known_args(shlex.split(trex_cmd_options))
if not os.path.exists(args.cfg):
raise Exception('Platform config file "%s" does not exist!' %
args.cfg)
with open(args.cfg) as f:
trex_cfg = yaml.safe_load(f.read())
if type(trex_cfg) is not list:
raise Exception(
'Platform config file "%s" content should be array.' %
args.cfg)
if not len(trex_cfg):
raise Exception(
'Platform config file "%s" content should be array with one element.'
% args.cfg)
trex_cfg = trex_cfg[0]
if 'enable_zmq_pub' in trex_cfg and trex_cfg['enable_zmq_pub'] == False:
raise Exception(
'TRex daemon expects ZMQ publisher to be enabled. Please change "enable_zmq_pub" to true.'
)
if 'zmq_pub_port' in trex_cfg:
zmq_cfg_port = trex_cfg['zmq_pub_port']
if zmq_cfg_port != self.trex_zmq_port:
raise Exception(
'ZMQ port does not match: platform config file is configured to: %s, daemon server to: %s'
% (zmq_cfg_port, self.trex_zmq_port))
def __check_trex_path_validity(self):
# check for executable existance
if not os.path.exists(self.TREX_PATH + '/t-rex-64'):
print(
"The provided TRex path do not contain an executable TRex file.\nPlease check the path and retry."
)
logger.error(
"The provided TRex path do not contain an executable TRex file"
)
exit(-1)
# check for executable permissions
st = os.stat(self.TREX_PATH + '/t-rex-64')
if not bool(st.st_mode & (stat.S_IXUSR)):
print(
"The provided TRex path do not contain an TRex file with execution privileges.\nPlease check the files permissions and retry."
)
logger.error(
"The provided TRex path do not contain an TRex file with execution privileges"
)
exit(-1)
else:
return
def __check_files_path_validity(self):
# first, check for path existance. otherwise, try creating it with appropriate credentials
if not os.path.exists(self.trex_files_path):
try:
os.makedirs(self.trex_files_path, 0o660)
return
except os.error as inst:
print(
"The provided files path does not exist and cannot be created with needed access credentials using root user.\nPlease check the path's permissions and retry."
)
logger.error(
"The provided files path does not exist and cannot be created with needed access credentials using root user."
)
exit(-1)
elif os.access(self.trex_files_path, os.W_OK):
return
else:
print(
"The provided files path has insufficient access credentials for root user.\nPlease check the path's permissions and retry."
)
logger.error(
"The provided files path has insufficient access credentials for root user"
)
exit(-1)
def start(self):
"""This method fires up the daemon server based on initialized parameters of the class"""
# initialize the server instance with given resources
try:
print("Firing up TRex REST daemon @ port {trex_port} ...\n".format(
trex_port=self.trex_daemon_port))
logger.info(
"Firing up TRex REST daemon @ port {trex_port} ...".format(
trex_port=self.trex_daemon_port))
logger.info("current working dir is: {0}".format(self.TREX_PATH))
logger.info("current files dir is : {0}".format(
self.trex_files_path))
logger.debug(
"Starting TRex server. Registering methods to process.")
logger.info(self.get_trex_version(base64=False))
self.server = SimpleJSONRPCServer(
(self.trex_host, self.trex_daemon_port))
except socket.error as e:
if e.errno == errno.EADDRINUSE:
logger.error(
"TRex server requested address already in use. Aborting server launching."
)
print(
"TRex server requested address already in use. Aborting server launching."
)
raise socket.error(
errno.EADDRINUSE,
"TRex daemon requested address already in use. "
"Server launch aborted. Please make sure no other process is "
"using the desired server properties.")
elif isinstance(e, socket.gaierror) and e.errno == -3:
# handling Temporary failure in name resolution exception
raise socket.gaierror(
-3, "Temporary failure in name resolution.\n"
"Make sure provided hostname has DNS resolving.")
else:
raise
# set further functionality and peripherals to server instance
self.server.register_function(self.add)
self.server.register_function(self.cancel_reservation)
self.server.register_function(self.connectivity_check)
self.server.register_function(self.connectivity_check,
'check_connectivity') # alias
self.server.register_function(self.force_trex_kill)
self.server.register_function(self.get_file)
self.server.register_function(self.get_files_list)
self.server.register_function(self.get_files_path)
self.server.register_function(self.get_latest_dump)
self.server.register_function(self.get_running_info)
self.server.register_function(self.get_running_status)
self.server.register_function(self.get_trex_cmds)
self.server.register_function(self.get_trex_config)
self.server.register_function(self.get_trex_daemon_log)
self.server.register_function(self.get_trex_log)
self.server.register_function(self.get_trex_version)
self.server.register_function(self.is_reserved)
self.server.register_function(self.is_running)
self.server.register_function(self.kill_all_trexes)
self.server.register_function(self.push_file)
self.server.register_function(self.reserve_trex)
self.server.register_function(self.start_trex)
self.server.register_function(self.stop_trex)
self.server.register_function(self.wait_until_kickoff_finish)
signal.signal(signal.SIGTSTP, self.stop_handler)
signal.signal(signal.SIGTERM, self.stop_handler)
try:
self.zmq_monitor.start()
self.server.serve_forever()
except KeyboardInterrupt:
logger.info("Daemon shutdown request detected.")
finally:
self.zmq_monitor.join() # close ZMQ monitor thread resources
self.server.shutdown()
def __init__(self, config, fd):
DaemonThread.__init__(self)
self.config = config
if config.get('offline'):
self.network = None
else:
self.network = Network(config)
self.network.start()
self.gui = None
self.wallets = {}
# Setup JSONRPC server
path = config.get_wallet_path()
default_wallet = self.load_wallet(path)
cmd_runner = Commands(self.config, default_wallet, self.network)
host = config.get('rpchost', 'localhost')
port = config.get('rpcport', 0)
server = SimpleJSONRPCServer((host, port),
logRequests=False,
requestHandler=RequestHandler)
os.write(fd, repr((server.socket.getsockname(), time.time())))
os.close(fd)
server.timeout = 0.1
for cmdname in known_commands:
server.register_function(getattr(cmd_runner, cmdname), cmdname)
server.register_function(self.run_cmdline, 'run_cmdline')
server.register_function(self.ping, 'ping')
server.register_function(self.run_daemon, 'daemon')
server.register_function(self.run_gui, 'gui')
self.server = server
def main():
server = SimpleJSONRPCServer(('localhost', 12000))
server.register_function(execute)
print("Start server")
server.serve_forever()
def run_server(port = 8095):
native_methods = [
'acquire',
'connect',
'disconnect',
'get_stats',
'get_warnings',
'push_remote',
'reset',
'wait_on_traffic',
]
hltapi_methods = [
'connect',
'cleanup_session',
'interface_config',
'traffic_config',
'traffic_control',
'traffic_stats',
]
try:
server = SimpleJSONRPCServer(('0.0.0.0', port))
server.register_function(add)
server.register_function(check_connectivity)
server.register_function(native_proxy_init)
server.register_function(native_proxy_del)
server.register_function(hltapi_proxy_init)
server.register_function(hltapi_proxy_del)
server.register_function(native_method)
server.register_function(hltapi_method)
for method in native_methods:
server.register_function(partial(native_method, method), method)
for method in hltapi_methods:
if method in native_methods: # collision in names
method_hlt_name = 'hlt_%s' % method
else:
method_hlt_name = method
server.register_function(partial(hltapi_method, method), method_hlt_name)
server.register_function(server.funcs.keys, 'get_methods') # should be last
print('Started Stateless RPC proxy at port %s' % port)
server.serve_forever()
except KeyboardInterrupt:
print('Done')
def ping():
return True
setSpeed(40)
for x in xrange(_Servo0UL, _Servo0LL, -1):
setCam0Position(x)
sleep(.01)
for x in xrange(_Servo0LL, 50):
setCam0Position(x)
sleep(.01)
if __name__ == "__main__":
server = SimpleJSONRPCServer((([
(s.connect(('8.8.8.8', 80)), s.getsockname()[0], s.close())
for s in [socket.socket(socket.AF_INET, socket.SOCK_DGRAM)]
][0][1]), 10101))
server.register_function(setSpeed)
server.register_function(stop)
server.register_function(goForward)
server.register_function(goBackward)
server.register_function(pivotLeft)
server.register_function(pivotRight)
server.register_function(ping)
server.register_function(setCam0Position)
try:
print "Server listening..."
server.serve_forever()
except KeyboardInterrupt:
default=DIRECTORY,
help='Stanford CoreNLP tool directory (default %s)' %
DIRECTORY)
parser.add_option(
'-P',
'--properties',
default='default.properties',
help='Stanford CoreNLP properties fieles (default: default.properties)'
)
options, args = parser.parse_args()
VERBOSE = options.verbose
# server = jsonrpc.Server(jsonrpc.JsonRpc20(),
# jsonrpc.TransportTcpIp(addr=(options.host, int(options.port))))
try:
if not options.ports:
server = SimpleJSONRPCServer((options.host, int(options.port)))
nlp = StanfordCoreNLP(options.corenlp,
properties=options.properties)
server.register_function(nlp.parse)
print 'Serving on http://%s:%s' % (options.host, options.port)
server.serve_forever()
else:
server = SimpleJSONRPCServer((options.host, int(options.port)))
lb = CoreNLPLoadBalancer(options)
server.register_function(lb.send)
server.register_function(lb.getAll)
server.register_function(lb.getCompleted)
server.register_function(lb.getForKey)
parser.add_option('-S',
'--corenlp',
default=DIRECTORY,
help='Stanford CoreNLP tool directory (default %s)' %
DIRECTORY)
parser.add_option(
'-P',
'--properties',
default='default.properties',
help='Stanford CoreNLP properties fieles (default: default.properties)'
)
options, args = parser.parse_args()
VERBOSE = options.verbose
# server = jsonrpc.Server(jsonrpc.JsonRpc20(),
# jsonrpc.TransportTcpIp(addr=(options.host, int(options.port))))
try:
server = SimpleJSONRPCServer((options.host, int(options.port)))
nlp = StanfordCoreNLP(options.corenlp,
properties=options.properties,
serving=True)
server.register_function(nlp.parse)
server.register_function(nlp.raw_parse)
print 'Serving on http://%s:%s' % (options.host, options.port)
# server.serve()
server.serve_forever()
except KeyboardInterrupt:
print >> sys.stderr, "Bye."
exit()
logging.basicConfig(format=LOGGER_FORMAT)
LOGGER = logging.getLogger('backend_server')
LOGGER.setLevel(logging.DEBUG)
def get_preference_for_user(user_id):
""" Get user's preference in an ordered class list. """
LOGGER.debug("get_preference_for_user is called with %s", str(user_id))
db = mongodb_client.get_db()
model = db[PREFERENCE_MODEL_TABLE_NAME].find_one({'userId': user_id})
if model is None:
return []
sorted_tuples = sorted(list(model['preference'].items()),
key=operator.itemgetter(1),
reverse=True)
sorted_list = [x[0] for x in sorted_tuples]
sorted_value_list = [x[1] for x in sorted_tuples]
if math.isclose(float(sorted_value_list[0]), float(sorted_value_list[-1])):
return []
return sorted_list
# Threading RPC server.
RPC_SERVER = SimpleJSONRPCServer((SERVER_HOST, SERVER_PORT))
RPC_SERVER.register_function(get_preference_for_user, 'getPreferenceForUser')
LOGGER.info("Starting RPC server on %s:%d", SERVER_HOST, SERVER_PORT)
RPC_SERVER.serve_forever()
def get_one_news():
print("getOneNews is called...")
news = operations.getOneNews()
return json.loads(dumps(news))
def get_news_summaries_for_user(user_id, page_num):
""" get news summaries for a user """
print("get_news_summaries_for_user is called with %s and %s" %
(user_id, page_num))
return operations.getNewsSummariesForUser(user_id, page_num)
def log_news_click_for_user(user_id, news_id):
""" send click news log from a user """
print("log_news_click_for_user is called with %s and %s" %
(user_id, news_id))
operations.logNewsClickForUser(user_id, news_id)
server = SimpleJSONRPCServer((SERVER_HOST, SERVER_PORT))
server.register_function(add, 'add')
server.register_function(get_one_news, 'getOneNews')
server.register_function(get_news_summaries_for_user,
'getNewsSummariesForUser')
server.register_function(log_news_click_for_user, 'logNewsClickForUser')
print("Starting RPC server on %s:%d" % (SERVER_HOST, SERVER_PORT))
server.serve_forever()
def main():
server = SimpleJSONRPCServer(('localhost', 7002))
server.register_function(lengths)
print("Starting server")
server.serve_forever()
def init_server(self, config, fd, is_gui):
host = config.get('rpchost', '127.0.0.1')
port = config.get('rpcport', 0)
try:
server = SimpleJSONRPCServer((host, port), logRequests=False)
except Exception as e:
self.print_error('Warning: cannot initialize RPC server on host',
host, e)
self.server = None
os.close(fd)
return
os.write(
fd, bytes(repr((server.socket.getsockname(), time.time())),
'utf8'))
os.close(fd)
self.server = server
server.timeout = 0.1
server.register_function(self.ping, 'ping')
if is_gui:
server.register_function(self.run_gui, 'gui')
else:
server.register_function(self.run_daemon, 'daemon')
self.cmd_runner = Commands(self.config, None, self.network)
for cmdname in known_commands:
server.register_function(getattr(self.cmd_runner, cmdname),
cmdname)
server.register_function(self.run_cmdline, 'run_cmdline')
self.server = server