mirror of https://github.com/facebook/rocksdb.git
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/*
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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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#ifndef THRIFT_TCONNECTIONCONTEXT_H_
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#define THRIFT_TCONNECTIONCONTEXT_H_ 1
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#include <stddef.h>
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#include <boost/shared_ptr.hpp>
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#include "thrift/lib/cpp/protocol/TProtocol.h"
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namespace apache { namespace thrift {
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namespace transport {
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class TSocketAddress;
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}
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namespace protocol {
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class TProtocol;
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}
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namespace server {
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class TConnectionContext {
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public:
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TConnectionContext()
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: userData_(NULL)
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, destructor_(NULL) {}
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virtual ~TConnectionContext() {
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cleanupUserData();
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}
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// expose getPeerAddress() defined in TRpcTransportContext
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virtual const transport::TSocketAddress* getPeerAddress() const = 0;
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virtual boost::shared_ptr<protocol::TProtocol> getInputProtocol() const = 0;
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virtual boost::shared_ptr<protocol::TProtocol> getOutputProtocol() const = 0;
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/**
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* Get the user data field.
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*/
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void* getUserData() const {
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return userData_;
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}
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/**
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* Set the user data field.
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*
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* @param data The new value for the user data field.
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* @param destructor A function pointer to invoke when the connection
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* context is destroyed. It will be invoked with the
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* contents of the user data field.
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*
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* @return Returns the old user data value.
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*/
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virtual void* setUserData(void* data, void (*destructor)(void*) = NULL) {
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void* oldData = userData_;
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userData_ = data;
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destructor_ = destructor;
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return oldData;
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}
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protected:
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void cleanupUserData() {
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if (destructor_) {
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destructor_(userData_);
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destructor_ = NULL;
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}
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userData_ = NULL;
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}
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private:
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void* userData_;
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void (*destructor_)(void*);
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};
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}}} // apache::thrift::server
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#endif // THRIFT_TCONNECTIONCONTEXT_H_
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