124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2021 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef HTTP3_H
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#define HTTP3_H
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#include "nghttp2_config.h"
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#include <cstring>
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#include <string>
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#include <vector>
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#include <nghttp3/nghttp3.h>
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#include "http2.h"
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#include "template.h"
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namespace nghttp2 {
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namespace http3 {
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// Creates nghttp3_nv using |name| and |value| and returns it. The
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// returned value only references the data pointer to name.c_str() and
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// value.c_str(). If |no_index| is true, nghttp3_nv flags member has
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// NGHTTP3_NV_FLAG_NEVER_INDEX flag set.
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nghttp3_nv make_nv(const std::string &name, const std::string &value,
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bool never_index = false);
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nghttp3_nv make_nv(const StringRef &name, const StringRef &value,
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bool never_index = false);
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nghttp3_nv make_nv_nocopy(const std::string &name, const std::string &value,
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bool never_index = false);
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nghttp3_nv make_nv_nocopy(const StringRef &name, const StringRef &value,
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bool never_index = false);
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// Create nghttp3_nv from string literal |name| and |value|.
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template <size_t N, size_t M>
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constexpr nghttp3_nv make_nv_ll(const char (&name)[N], const char (&value)[M]) {
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return {(uint8_t *)name, (uint8_t *)value, N - 1, M - 1,
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NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
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}
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// Create nghttp3_nv from string literal |name| and c-string |value|.
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template <size_t N>
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nghttp3_nv make_nv_lc(const char (&name)[N], const char *value) {
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return {(uint8_t *)name, (uint8_t *)value, N - 1, strlen(value),
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NGHTTP3_NV_FLAG_NO_COPY_NAME};
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}
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template <size_t N>
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nghttp3_nv make_nv_lc_nocopy(const char (&name)[N], const char *value) {
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return {(uint8_t *)name, (uint8_t *)value, N - 1, strlen(value),
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NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
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}
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// Create nghttp3_nv from string literal |name| and std::string
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// |value|.
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template <size_t N>
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nghttp3_nv make_nv_ls(const char (&name)[N], const std::string &value) {
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return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
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NGHTTP3_NV_FLAG_NO_COPY_NAME};
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}
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template <size_t N>
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nghttp3_nv make_nv_ls_nocopy(const char (&name)[N], const std::string &value) {
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return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
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NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
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}
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template <size_t N>
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nghttp3_nv make_nv_ls_nocopy(const char (&name)[N], const StringRef &value) {
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return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
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NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
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}
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// Appends headers in |headers| to |nv|. |headers| must be indexed
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// before this call (its element's token field is assigned). Certain
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// headers, including disallowed headers in HTTP/3 spec and headers
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// which require special handling (i.e. via), are not copied. |flags|
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// is one or more of HeaderBuildOp flags. They tell function that
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// certain header fields should not be added.
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void copy_headers_to_nva(std::vector<nghttp3_nv> &nva,
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const HeaderRefs &headers, uint32_t flags);
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// Just like copy_headers_to_nva(), but this adds
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// NGHTTP3_NV_FLAG_NO_COPY_NAME and NGHTTP3_NV_FLAG_NO_COPY_VALUE.
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void copy_headers_to_nva_nocopy(std::vector<nghttp3_nv> &nva,
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const HeaderRefs &headers, uint32_t flags);
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// Checks the header name/value pair using nghttp3_check_header_name()
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// and nghttp3_check_header_value(). If both function returns nonzero,
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// this function returns nonzero.
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int check_nv(const uint8_t *name, size_t namelen, const uint8_t *value,
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size_t valuelen);
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} // namespace http3
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} // namespace nghttp2
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#endif // HTTP3_H
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