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55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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from thrift.Thrift import TProcessor, TMessageType, TException
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from thrift.protocol import TProtocolDecorator, TMultiplexedProtocol
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class TMultiplexedProcessor(TProcessor):
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def __init__(self):
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self.services = {}
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def registerProcessor(self, serviceName, processor):
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self.services[serviceName] = processor
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def process(self, iprot, oprot):
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(name, type, seqid) = iprot.readMessageBegin()
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if type != TMessageType.CALL and type != TMessageType.ONEWAY:
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raise TException("TMultiplex protocol only supports CALL & ONEWAY")
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index = name.find(TMultiplexedProtocol.SEPARATOR)
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if index < 0:
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raise TException("Service name not found in message name: " + name + ". Did you forget to use TMultiplexProtocol in your client?")
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serviceName = name[0:index]
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call = name[index + len(TMultiplexedProtocol.SEPARATOR):]
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if serviceName not in self.services:
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raise TException("Service name not found: " + serviceName + ". Did you forget to call registerProcessor()?")
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standardMessage = (call, type, seqid)
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return self.services[serviceName].process(StoredMessageProtocol(iprot, standardMessage), oprot)
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class StoredMessageProtocol(TProtocolDecorator.TProtocolDecorator):
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def __init__(self, protocol, messageBegin):
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TProtocolDecorator.TProtocolDecorator.__init__(self, protocol)
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self.messageBegin = messageBegin
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def readMessageBegin(self):
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return self.messageBegin
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