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Diffstat (limited to 'lib/thrift/TMultiplexedProcessor.py')
-rw-r--r-- | lib/thrift/TMultiplexedProcessor.py | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/thrift/TMultiplexedProcessor.py b/lib/thrift/TMultiplexedProcessor.py new file mode 100644 index 0000000..a8d5565 --- /dev/null +++ b/lib/thrift/TMultiplexedProcessor.py @@ -0,0 +1,58 @@ +# +# 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 |