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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#pragma once
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#include <iostream>
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#include <memory>
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#include <mutex>
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#include <Poco/Net/HTTPClientSession.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/URI.h>
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#include <Common/PoolBase.h>
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#include <Poco/URIStreamFactory.h>
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#include <IO/ConnectionTimeouts.h>
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namespace Poco
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{
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namespace Net
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{
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class HTTPServerResponse;
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}
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}
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namespace DB
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{
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constexpr int HTTP_TOO_MANY_REQUESTS = 429;
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class SingleEndpointHTTPSessionPool : public PoolBase<Poco::Net::HTTPClientSession>
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{
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private:
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const std::string host;
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const UInt16 port;
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const bool https;
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using Base = PoolBase<Poco::Net::HTTPClientSession>;
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ObjectPtr allocObject() override;
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public:
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SingleEndpointHTTPSessionPool(const std::string & host_, UInt16 port_, bool https_, size_t max_pool_size_);
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};
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using PooledHTTPSessionPtr = SingleEndpointHTTPSessionPool::Entry;
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using HTTPSessionPtr = std::shared_ptr<Poco::Net::HTTPClientSession>;
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void setResponseDefaultHeaders(Poco::Net::HTTPServerResponse & response, unsigned keep_alive_timeout);
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/// Create session object to perform requests and set required parameters.
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HTTPSessionPtr makeHTTPSession(const Poco::URI & uri, const ConnectionTimeouts & timeouts, bool resolve_host = true);
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/// As previous method creates session, but tooks it from pool
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PooledHTTPSessionPtr makePooledHTTPSession(const Poco::URI & uri, const ConnectionTimeouts & timeouts, size_t per_endpoint_pool_size);
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bool isRedirect(const Poco::Net::HTTPResponse::HTTPStatus status);
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/** Used to receive response (response headers and possibly body)
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* after sending data (request headers and possibly body).
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* Throws exception in case of non HTTP_OK (200) response code.
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* Returned istream lives in 'session' object.
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*/
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std::istream * receiveResponse(
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Poco::Net::HTTPClientSession & session, const Poco::Net::HTTPRequest & request, Poco::Net::HTTPResponse & response, bool allow_redirects);
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void assertResponseIsOk(const Poco::Net::HTTPRequest & request, Poco::Net::HTTPResponse & response, std::istream & istr, const bool allow_redirects = false);
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}
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