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https://github.com/sebastiandine/Card-Collection-Manager-3.git
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Sebastian Dine
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#pragma once
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// CprHttpClient: cpr-based implementation of IHttpClient.
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// All cpr/libcurl symbols stay confined to the .cpp file - any TU that just
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// needs to make HTTP calls only depends on the IHttpClient port.
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#include "ccm/ports/IHttpClient.hpp"
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#include <chrono>
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#include <memory>
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#include <mutex>
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namespace cpr { class Session; }
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namespace ccm {
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// Concrete IHttpClient backed by libcpr/libcurl. The single owned
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// `cpr::Session` keeps libcurl's connection pool alive across calls, so
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// repeat HTTPS requests to the same host (api.scryfall.com, yugipedia.com,
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// ms.yugipedia.com, …) reuse the existing TLS connection instead of paying
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// for a fresh handshake every time. Concurrent calls are serialized through
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// a mutex - libcurl easy handles are not thread-safe, and the preview path
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// only fires one outbound request at a time anyway.
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class CprHttpClient final : public IHttpClient {
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public:
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explicit CprHttpClient(std::chrono::milliseconds timeout = std::chrono::milliseconds{30000});
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~CprHttpClient() override;
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Result<std::string> get(std::string_view url) override;
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private:
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std::chrono::milliseconds timeout_;
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std::unique_ptr<cpr::Session> session_;
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std::mutex sessionMutex_;
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};
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} // namespace ccm
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