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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
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#ifndef CPR_HTTP_VERSION_H
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#define CPR_HTTP_VERSION_H
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#include <curl/curlver.h>
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namespace cpr {
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enum class HttpVersionCode {
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/**
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* Let libcurl decide which version is the best.
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**/
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VERSION_NONE,
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/**
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* Enforce HTTP 1.0 requests.
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**/
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VERSION_1_0,
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/**
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* Enforce HTTP 1.1 requests.
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**/
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VERSION_1_1,
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#if LIBCURL_VERSION_NUM >= 0x072100 // 7.33.0
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/**
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* Attempt HTTP 2.0 requests.
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* Fallback to HTTP 1.1 if negotiation fails.
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**/
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VERSION_2_0,
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#endif
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#if LIBCURL_VERSION_NUM >= 0x072F00 // 7.47.0
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/**
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* Attempt HTTP 2.0 for HTTPS requests only.
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* Fallback to HTTP 1.1 if negotiation fails.
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* HTTP 1.1 will be used for HTTP connections.
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**/
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VERSION_2_0_TLS,
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#endif
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#if LIBCURL_VERSION_NUM >= 0x073100 // 7.49.0
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/**
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* Start HTTP 2.0 for HTTP requests.
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* Requires prior knowledge that the server supports HTTP 2.0.
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* For HTTPS requests we will negotiate the protocol version in the TLS handshake.
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**/
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VERSION_2_0_PRIOR_KNOWLEDGE,
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#endif
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#if LIBCURL_VERSION_NUM >= 0x074200 // 7.66.0
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/**
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* Attempt HTTP 3.0 requests.
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* Requires prior knowledge that the server supports HTTP 3.0 since there is no gracefully downgrade.
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* Fallback to HTTP 1.1 if negotiation fails.
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**/
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VERSION_3_0
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#endif
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};
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class HttpVersion {
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public:
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/**
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* The HTTP version that should be used by libcurl when initiating a HTTP(S) connection.
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* Default: HttpVersionCode::VERSION_NONE
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**/
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HttpVersionCode code = HttpVersionCode::VERSION_NONE;
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HttpVersion() = default;
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explicit HttpVersion(HttpVersionCode _code) : code(_code) {}
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};
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} // namespace cpr
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#endif
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