Add support for HTTP/3 control stream.
Upon initialization, QuicSpdySession will create a write_unidirectional stream
and write stream type and settings when crypto handshake is completed.
The peer will receive the stream type and create a read_unidirectional stream
that reads the settings.
gfe-relnote: version 99 only. Not in prod.
PiperOrigin-RevId: 252650934
Change-Id: I708280eb94dea3d6eb7e54b96ce8ee91e2b8684f
diff --git a/quic/core/http/quic_spdy_session.h b/quic/core/http/quic_spdy_session.h
index 5af73f1..9d87c0f 100644
--- a/quic/core/http/quic_spdy_session.h
+++ b/quic/core/http/quic_spdy_session.h
@@ -11,6 +11,8 @@
#include "net/third_party/quiche/src/quic/core/http/quic_header_list.h"
#include "net/third_party/quiche/src/quic/core/http/quic_headers_stream.h"
+#include "net/third_party/quiche/src/quic/core/http/quic_receive_control_stream.h"
+#include "net/third_party/quiche/src/quic/core/http/quic_send_control_stream.h"
#include "net/third_party/quiche/src/quic/core/http/quic_spdy_stream.h"
#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_stream_sender.h"
@@ -28,12 +30,16 @@
class QuicSpdySessionPeer;
} // namespace test
-// Unidirectional stream types define by IETF HTTP/3 draft in section 3.2.
+// Unidirectional stream types defined by IETF HTTP/3 draft in section 3.2.
const uint64_t kControlStream = 0;
const uint64_t kServerPushStream = 1;
const uint64_t kQpackEncoderStream = 2;
const uint64_t kQpackDecoderStream = 3;
+// Supported Settings id as defined by IETF HTTP/3 draft in section 7.2.5.1.
+const uint64_t kSettingsMaxHeaderListSize = 6;
+const uint64_t kSettingsNumPlaceholders = 8;
+
// QuicHpackDebugVisitor gathers data used for understanding HPACK HoL
// dynamics. Specifically, it is to help predict the compression
// penalty of avoiding HoL by chagning how the dynamic table is used.
@@ -172,6 +178,14 @@
max_inbound_header_list_size_ = max_inbound_header_list_size;
}
+ void set_max_outbound_header_list_size(size_t max_outbound_header_list_size) {
+ max_outbound_header_list_size_ = max_outbound_header_list_size;
+ }
+
+ size_t max_outbound_header_list_size() const {
+ return max_outbound_header_list_size_;
+ }
+
size_t max_inbound_header_list_size() const {
return max_inbound_header_list_size_;
}
@@ -288,10 +302,20 @@
// is deprecated.
QuicHeadersStream* unowned_headers_stream_;
+ // HTTP/3 control streams. They are owned by QuicSession inside dynamic
+ // stream map, and can be accessed by those unowned pointers below.
+ QuicSendControlStream* send_control_stream_;
+ QuicReceiveControlStream* receive_control_stream_;
+
// The maximum size of a header block that will be accepted from the peer,
// defined per spec as key + value + overhead per field (uncompressed).
size_t max_inbound_header_list_size_;
+ // The maximum size of a header block that can be sent to the peer. This field
+ // is informed and set by the peer via SETTINGS frame.
+ // TODO(renjietang): Honor this field when sending headers.
+ size_t max_outbound_header_list_size_;
+
// Set during handshake. If true, resources in x-associated-content and link
// headers will be pushed.
bool server_push_enabled_;
