Plumbs metadata events through CallbackVisitor and nghttp2_callbacks.
Metadata handling is not implemented properly yet in the OG stack.
PiperOrigin-RevId: 381480503
diff --git a/http2/adapter/http2_visitor_interface.h b/http2/adapter/http2_visitor_interface.h
index a707568..f71e21c 100644
--- a/http2/adapter/http2_visitor_interface.h
+++ b/http2/adapter/http2_visitor_interface.h
@@ -180,6 +180,7 @@
// Called when the connection receives the beginning of a METADATA frame
// (which may itself be the middle of a logical metadata block). The metadata
// payload will be provided via subsequent calls to OnMetadataForStream().
+ // TODO(birenroy): Consider removing this unnecessary method.
virtual void OnBeginMetadataForStream(Http2StreamId stream_id,
size_t payload_length) = 0;
@@ -190,7 +191,8 @@
// Called when the connection has finished receiving a logical metadata block
// for a stream. Note that there may be multiple metadata blocks for a stream.
- virtual void OnMetadataEndForStream(Http2StreamId stream_id) = 0;
+ // Returns false if there was an error unpacking the metadata payload.
+ virtual bool OnMetadataEndForStream(Http2StreamId stream_id) = 0;
// Invoked with an error message from the application.
virtual void OnErrorDebug(absl::string_view message) = 0;
