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