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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#include <IO/ReadWriteBufferFromHTTP.h>
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#include <Common/config.h>
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#include <Core/Types.h>
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#include <IO/ReadBufferFromIStream.h>
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#include <Common/DNSResolver.h>
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#include <Poco/Net/HTTPRequest.h>
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#include <Poco/Net/HTTPResponse.h>
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#include <Poco/Version.h>
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#include <common/logger_useful.h>
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#include <IO/HTTPCommon.h>
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namespace DB
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{
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ReadWriteBufferFromHTTP::ReadWriteBufferFromHTTP(const Poco::URI & uri,
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const std::string & method_,
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OutStreamCallback out_stream_callback,
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const ConnectionTimeouts & timeouts,
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size_t buffer_size_)
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: ReadBuffer(nullptr, 0),
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uri{uri},
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method{!method_.empty() ? method_ : out_stream_callback ? Poco::Net::HTTPRequest::HTTP_POST : Poco::Net::HTTPRequest::HTTP_GET},
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session{makeHTTPSession(uri, timeouts)}
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{
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Poco::Net::HTTPRequest request(method, uri.getPathAndQuery(), Poco::Net::HTTPRequest::HTTP_1_1);
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request.setHost(uri.getHost()); // use original, not resolved host name in header
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if (out_stream_callback)
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request.setChunkedTransferEncoding(true);
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Poco::Net::HTTPResponse response;
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LOG_TRACE((&Logger::get("ReadWriteBufferFromHTTP")), "Sending request to " << uri.toString());
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auto & stream_out = session->sendRequest(request);
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if (out_stream_callback)
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out_stream_callback(stream_out);
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istr = receiveResponse(*session, request, response);
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impl = std::make_unique<ReadBufferFromIStream>(*istr, buffer_size_);
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}
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bool ReadWriteBufferFromHTTP::nextImpl()
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{
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if (!impl->next())
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return false;
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internal_buffer = impl->buffer();
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working_buffer = internal_buffer;
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return true;
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}
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}
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