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45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
#pragma once
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#include <memory>
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#include <Poco/Net/HTTPClientSession.h>
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#include <DB/IO/ReadBuffer.h>
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#include <DB/Core/Types.h>
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#define DEFAULT_HTTP_READ_BUFFER_TIMEOUT 1800
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#define DEFAULT_HTTP_READ_BUFFER_CONNECTION_TIMEOUT 1
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namespace DB
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{
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/** Perform HTTP-request and provide response to read.
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*/
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class ReadBufferFromHTTP : public ReadBuffer
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{
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private:
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String host;
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int port;
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Poco::Net::HTTPClientSession session;
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std::istream * istr; /// owned by session
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std::unique_ptr<ReadBuffer> impl;
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public:
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using Params = std::vector<std::pair<String, String>>;
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ReadBufferFromHTTP(
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const String & host_,
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int port_,
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const Params & params,
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size_t buffer_size_ = DBMS_DEFAULT_BUFFER_SIZE,
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const Poco::Timespan & connection_timeout = Poco::Timespan(DEFAULT_HTTP_READ_BUFFER_CONNECTION_TIMEOUT, 0),
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const Poco::Timespan & send_timeout = Poco::Timespan(DEFAULT_HTTP_READ_BUFFER_TIMEOUT, 0),
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const Poco::Timespan & receive_timeout = Poco::Timespan(DEFAULT_HTTP_READ_BUFFER_TIMEOUT, 0));
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bool nextImpl() override;
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};
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}
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