1 files changed, 123 insertions, 0 deletions
diff --git a/src/http3.h b/src/http3.h
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+++ b/src/http3.h
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+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2021 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef HTTP3_H
+#define HTTP3_H
+
+#include "nghttp2_config.h"
+
+#include <cstring>
+#include <string>
+#include <vector>
+
+#include <nghttp3/nghttp3.h>
+
+#include "http2.h"
+#include "template.h"
+
+namespace nghttp2 {
+
+namespace http3 {
+
+// Creates nghttp3_nv using |name| and |value| and returns it. The
+// returned value only references the data pointer to name.c_str() and
+// value.c_str().  If |no_index| is true, nghttp3_nv flags member has
+// NGHTTP3_NV_FLAG_NEVER_INDEX flag set.
+nghttp3_nv make_nv(const std::string &name, const std::string &value,
+                   bool never_index = false);
+
+nghttp3_nv make_nv(const StringRef &name, const StringRef &value,
+                   bool never_index = false);
+
+nghttp3_nv make_nv_nocopy(const std::string &name, const std::string &value,
+                          bool never_index = false);
+
+nghttp3_nv make_nv_nocopy(const StringRef &name, const StringRef &value,
+                          bool never_index = false);
+
+// Create nghttp3_nv from string literal |name| and |value|.
+template <size_t N, size_t M>
+constexpr nghttp3_nv make_nv_ll(const char (&name)[N], const char (&value)[M]) {
+  return {(uint8_t *)name, (uint8_t *)value, N - 1, M - 1,
+          NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
+}
+
+// Create nghttp3_nv from string literal |name| and c-string |value|.
+template <size_t N>
+nghttp3_nv make_nv_lc(const char (&name)[N], const char *value) {
+  return {(uint8_t *)name, (uint8_t *)value, N - 1, strlen(value),
+          NGHTTP3_NV_FLAG_NO_COPY_NAME};
+}
+
+template <size_t N>
+nghttp3_nv make_nv_lc_nocopy(const char (&name)[N], const char *value) {
+  return {(uint8_t *)name, (uint8_t *)value, N - 1, strlen(value),
+          NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
+}
+
+// Create nghttp3_nv from string literal |name| and std::string
+// |value|.
+template <size_t N>
+nghttp3_nv make_nv_ls(const char (&name)[N], const std::string &value) {
+  return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
+          NGHTTP3_NV_FLAG_NO_COPY_NAME};
+}
+
+template <size_t N>
+nghttp3_nv make_nv_ls_nocopy(const char (&name)[N], const std::string &value) {
+  return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
+          NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
+}
+
+template <size_t N>
+nghttp3_nv make_nv_ls_nocopy(const char (&name)[N], const StringRef &value) {
+  return {(uint8_t *)name, (uint8_t *)value.c_str(), N - 1, value.size(),
+          NGHTTP3_NV_FLAG_NO_COPY_NAME | NGHTTP3_NV_FLAG_NO_COPY_VALUE};
+}
+
+// Appends headers in |headers| to |nv|.  |headers| must be indexed
+// before this call (its element's token field is assigned).  Certain
+// headers, including disallowed headers in HTTP/3 spec and headers
+// which require special handling (i.e. via), are not copied.  |flags|
+// is one or more of HeaderBuildOp flags.  They tell function that
+// certain header fields should not be added.
+void copy_headers_to_nva(std::vector<nghttp3_nv> &nva,
+                         const HeaderRefs &headers, uint32_t flags);
+
+// Just like copy_headers_to_nva(), but this adds
+// NGHTTP3_NV_FLAG_NO_COPY_NAME and NGHTTP3_NV_FLAG_NO_COPY_VALUE.
+void copy_headers_to_nva_nocopy(std::vector<nghttp3_nv> &nva,
+                                const HeaderRefs &headers, uint32_t flags);
+
+// Checks the header name/value pair using nghttp3_check_header_name()
+// and nghttp3_check_header_value(). If both function returns nonzero,
+// this function returns nonzero.
+int check_nv(const uint8_t *name, size_t namelen, const uint8_t *value,
+             size_t valuelen);
+
+} // namespace http3
+
+} // namespace nghttp2
+
+#endif // HTTP3_H