Implement PRIORITY_UPDATE frame in HttpEncoder and HttpDecoder.
gfe-relnote: n/a, change to QUIC v99-only code. Protected by existing disabled gfe2_reloadable_flag_quic_enable_version_99.
PiperOrigin-RevId: 289120155
Change-Id: I85525c7fef4cccd7ecef9e1e24a704c656895f75
diff --git a/quic/core/http/http_frames.h b/quic/core/http/http_frames.h
index 6ad6da7..e1e184f 100644
--- a/quic/core/http/http_frames.h
+++ b/quic/core/http/http_frames.h
@@ -26,7 +26,8 @@
PUSH_PROMISE = 0x5,
GOAWAY = 0x7,
MAX_PUSH_ID = 0xD,
- DUPLICATE_PUSH = 0xE
+ DUPLICATE_PUSH = 0xE,
+ PRIORITY_UPDATE = 0XF,
};
// 7.2.1. DATA
@@ -142,6 +143,46 @@
}
};
+// https://httpwg.org/http-extensions/draft-ietf-httpbis-priority.html
+//
+// The PRIORITY_UPDATE (type=0x0f) frame specifies the sender-advised priority
+// of a stream
+
+// Length of a priority frame's first byte.
+const QuicByteCount kPriorityFirstByteLength = 1;
+
+enum PrioritizedElementType : uint8_t {
+ REQUEST_STREAM = 0x00,
+ PUSH_STREAM = 0x80,
+};
+
+struct QUIC_EXPORT_PRIVATE PriorityUpdateFrame {
+ PrioritizedElementType prioritized_element_type = REQUEST_STREAM;
+ uint64_t prioritized_element_id = 0;
+ std::string priority_field_value;
+
+ bool operator==(const PriorityUpdateFrame& rhs) const {
+ return std::tie(prioritized_element_type, prioritized_element_id,
+ priority_field_value) ==
+ std::tie(rhs.prioritized_element_type, rhs.prioritized_element_id,
+ rhs.priority_field_value);
+ }
+ std::string ToString() const {
+ return quiche::QuicheStrCat(
+ "Priority Frame : {prioritized_element_type: ",
+ static_cast<int>(prioritized_element_type),
+ ", prioritized_element_id: ", prioritized_element_id,
+ ", priority_field_value: ", priority_field_value, "}");
+ }
+
+ friend QUIC_EXPORT_PRIVATE std::ostream& operator<<(
+ std::ostream& os,
+ const PriorityUpdateFrame& s) {
+ os << s.ToString();
+ return os;
+ }
+};
+
} // namespace quic
#endif // QUICHE_QUIC_CORE_HTTP_HTTP_FRAMES_H_
