fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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111 lines
2.8 KiB
111 lines
2.8 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_THTTPTRANSPORT_H_
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#define THRIFT_TRANSPORT_THTTPTRANSPORT_H_ 1
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#include <transport/TBufferTransports.h>
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#include "TVirtualTransport.h"
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namespace apache { namespace thrift { namespace transport {
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/**
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* HTTP implementation of the thrift transport. This was irritating
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* to write, but the alternatives in C++ land are daunting. Linking CURL
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* requires 23 dynamic libraries last time I checked (WTF?!?). All we have
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* here is a VERY basic HTTP/1.1 client which supports HTTP 100 Continue,
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* chunked transfer encoding, keepalive, etc. Tested against Apache.
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*/
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class THttpTransport : public TVirtualTransport<THttpTransport> {
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public:
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explicit THttpTransport(boost::shared_ptr<TTransport> transport);
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virtual ~THttpTransport();
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void open() {
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transport_->open();
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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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virtual 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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uint32_t readEnd();
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void write(const uint8_t* buf, uint32_t len);
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virtual void flush() = 0;
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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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TMemoryBuffer writeBuffer_;
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TMemoryBuffer readBuffer_;
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bool readHeaders_;
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bool chunked_;
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bool chunkedDone_;
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uint32_t chunkSize_;
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uint32_t contentLength_;
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char* httpBuf_;
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uint32_t httpPos_;
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uint32_t httpBufLen_;
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uint32_t httpBufSize_;
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virtual void init();
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uint32_t readMoreData();
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char* readLine();
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void readHeaders();
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virtual void parseHeader(char* header) = 0;
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virtual bool parseStatusLine(char* status) = 0;
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uint32_t readChunked();
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void readChunkedFooters();
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uint32_t parseChunkSize(char* line);
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uint32_t readContent(uint32_t size);
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virtual void refill();
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void shift();
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static const char* CRLF;
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static const int CRLF_LEN;
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};
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}}} // apache::thrift::transport
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#endif // #ifndef THRIFT_TRANSPORT_THTTPCLIENT_H_
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