nghttpx: Use StringRef for add_hedeader

src/shrpx_downstream.cc

@@ -338,14 +338,10 @@ void add_header(bool &key_prev, size_t &sum, Headers &headers, std::string name,
 } // namespace
 
 namespace {
-void add_header(size_t &sum, Headers &headers, const uint8_t *name,
-                size_t namelen, const uint8_t *value, size_t valuelen,
-                bool no_index, int16_t token) {
-  sum += namelen + valuelen;
-  headers.emplace_back(
-      std::string(reinterpret_cast<const char *>(name), namelen),
-      std::string(reinterpret_cast<const char *>(value), valuelen), no_index,
-      token);
+void add_header(size_t &sum, Headers &headers, const StringRef &name,
+                const StringRef &value, bool no_index, int16_t token) {
+  sum += name.size() + value.size();
+  headers.emplace_back(name.str(), value.str(), no_index, token);
 }
 } // namespace
 
@@ -430,11 +426,9 @@ void FieldStore::add_header(std::string name, std::string value,
   headers_.emplace_back(std::move(name), std::move(value), false, token);
 }
 
-void FieldStore::add_header(const uint8_t *name, size_t namelen,
-                            const uint8_t *value, size_t valuelen,
+void FieldStore::add_header(const StringRef &name, const StringRef &value,
                             bool no_index, int16_t token) {
-  shrpx::add_header(buffer_size_, headers_, name, namelen, value, valuelen,
-                    no_index, token);
+  shrpx::add_header(buffer_size_, headers_, name, value, no_index, token);
 }
 
 void FieldStore::append_last_header_key(const char *data, size_t len) {
@@ -449,13 +443,11 @@ void FieldStore::append_last_header_value(const char *data, size_t len) {
 
 void FieldStore::clear_headers() { headers_.clear(); }
 
-void FieldStore::add_trailer(const uint8_t *name, size_t namelen,
-                             const uint8_t *value, size_t valuelen,
+void FieldStore::add_trailer(const StringRef &name, const StringRef &value,
                              bool no_index, int16_t token) {
   // Header size limit should be applied to all header and trailer
   // fields combined.
-  shrpx::add_header(buffer_size_, trailers_, name, namelen, value, valuelen,
-                    no_index, token);
+  shrpx::add_header(buffer_size_, trailers_, name, value, no_index, token);
 }
 
 void FieldStore::add_trailer_lower(const StringRef &name,

src/shrpx_downstream.h

@@ -81,8 +81,8 @@ public:
 
   void add_header_lower(const StringRef &name, const StringRef &value);
   void add_header(std::string name, std::string value, int16_t token);
-  void add_header(const uint8_t *name, size_t namelen, const uint8_t *value,
-                  size_t valuelen, bool no_index, int16_t token);
+  void add_header(const StringRef &name, const StringRef &value, bool no_index,
+                  int16_t token);
 
   void append_last_header_key(const char *data, size_t len);
   void append_last_header_value(const char *data, size_t len);
@@ -97,8 +97,8 @@ public:
   // Empties headers.
   void clear_headers();
 
-  void add_trailer(const uint8_t *name, size_t namelen, const uint8_t *value,
-                   size_t valuelen, bool no_index, int16_t token);
+  void add_trailer(const StringRef &name, const StringRef &value, bool no_index,
+                   int16_t token);
   void add_trailer_lower(const StringRef &name, const StringRef &value);
 
   void append_last_trailer_key(const char *data, size_t len);

src/shrpx_http2_session.cc

@@ -739,12 +739,12 @@ int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame,
 
     if (trailer) {
       // just store header fields for trailer part
-      resp.fs.add_trailer(name, namelen, value, valuelen,
+      resp.fs.add_trailer(StringRef{name, namelen}, StringRef{value, valuelen},
                           flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
       return 0;
     }
 
-    resp.fs.add_header(name, namelen, value, valuelen,
+    resp.fs.add_header(StringRef{name, namelen}, StringRef{value, valuelen},
                        flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
     return 0;
   }
@@ -778,7 +778,8 @@ int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame,
     }
 
     auto token = http2::lookup_token(name, namelen);
-    promised_req.fs.add_header(name, namelen, value, valuelen,
+    promised_req.fs.add_header(StringRef{name, namelen},
+                               StringRef{value, valuelen},
                                flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
     return 0;
   }

src/shrpx_http2_upstream.cc

@@ -205,12 +205,12 @@ int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame,
 
   if (frame->headers.cat == NGHTTP2_HCAT_HEADERS) {
     // just store header fields for trailer part
-    req.fs.add_trailer(name, namelen, value, valuelen,
+    req.fs.add_trailer(StringRef{name, namelen}, StringRef{value, valuelen},
                        flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
     return 0;
   }
 
-  req.fs.add_header(name, namelen, value, valuelen,
+  req.fs.add_header(StringRef{name, namelen}, StringRef{value, valuelen},
                     flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
   return 0;
 }
@@ -593,7 +593,8 @@ int on_frame_send_callback(nghttp2_session *session, const nghttp2_frame *frame,
         req.path = http2::rewrite_clean_path(nv.value, nv.value + nv.valuelen);
         break;
       }
-      req.fs.add_header(nv.name, nv.namelen, nv.value, nv.valuelen,
+      req.fs.add_header(StringRef{nv.name, nv.namelen},
+                        StringRef{nv.value, nv.valuelen},
                         nv.flags & NGHTTP2_NV_FLAG_NO_INDEX, token);
     }