fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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97 lines
2.5 KiB
97 lines
2.5 KiB
/*
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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_TRANSPORT_TSHORTREADTRANSPORT_H_
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#define _THRIFT_TRANSPORT_TSHORTREADTRANSPORT_H_ 1
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#include <cstdlib>
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#include "thrift/lib/cpp/transport/TTransport.h"
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#include "thrift/lib/cpp/transport/TVirtualTransport.h"
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namespace apache { namespace thrift { namespace transport { namespace test {
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/**
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* This class is only meant for testing. It wraps another transport.
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* Calls to read are passed through with some probability. Otherwise,
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* the read amount is randomly reduced before being passed through.
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*
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*/
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class TShortReadTransport : public TVirtualTransport<TShortReadTransport> {
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public:
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TShortReadTransport(boost::shared_ptr<TTransport> transport, double full_prob)
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: transport_(transport)
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, fullProb_(full_prob)
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{}
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bool isOpen() {
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return transport_->isOpen();
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}
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bool peek() {
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return transport_->peek();
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}
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void open() {
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transport_->open();
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}
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void close() {
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transport_->close();
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}
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uint32_t read(uint8_t* buf, uint32_t len) {
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if (len == 0) {
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return 0;
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}
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if (rand()/(double)RAND_MAX >= fullProb_) {
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len = 1 + rand()%len;
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}
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return transport_->read(buf, len);
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}
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void write(const uint8_t* buf, uint32_t len) {
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transport_->write(buf, len);
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}
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void flush() {
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transport_->flush();
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}
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const uint8_t* borrow(uint8_t* buf, uint32_t* len) {
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return transport_->borrow(buf, len);
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}
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void consume(uint32_t len) {
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return transport_->consume(len);
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}
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boost::shared_ptr<TTransport> getUnderlyingTransport() {
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return transport_;
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}
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protected:
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boost::shared_ptr<TTransport> transport_;
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double fullProb_;
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};
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}}}} // apache::thrift::transport::test
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#endif // #ifndef _THRIFT_TRANSPORT_TSHORTREADTRANSPORT_H_
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