class DRPCClient:
def __init__(self, host, port=3772, timeout=None, reconnect=False, use_plain_sasl=False):
self.host = host
self.port = port
self.timeout = timeout
self.reconnect = reconnect
self.use_plain_sasl = use_plain_sasl
if not reconnect:
self.connect()
def connect(self):
self.socket = TSocket.TSocket(self.host, self.port)
if self.timeout:
self.socket.setTimeout(self.timeout)
if self.use_plain_sasl:
self.transport = SaslClientTransport(self.host, self.socket, service=STORM_SASL_SERVICE, mechanism='PLAIN')
else:
self.transport = TTransport.TFramedTransport(self.socket)
self.protocol = TBinaryProtocol.TBinaryProtocol(self.transport)
self.transport.open()
self.client = Client(self.protocol)
def execute(self, func, args):
if self.reconnect:
self.connect()
r = json.loads(self.client.execute(func, args))
if self.reconnect:
self.close()
return r
def executeJSON(self, func, **kwargs):
return self.execute(func, json.dumps(kwargs))
def close(self):
self.transport.close()
def connect(self):
self.socket = TSocket.TSocket(self.host, self.port)
if self.timeout:
self.socket.setTimeout(self.timeout)
if self.use_plain_sasl:
self.transport = SaslClientTransport(self.host, self.socket, service=STORM_SASL_SERVICE, mechanism='PLAIN')
else:
self.transport = TTransport.TFramedTransport(self.socket)
self.protocol = TBinaryProtocol.TBinaryProtocol(self.transport)
self.transport.open()
self.client = Client(self.protocol)
