Add net log support for IETF QUIC 0-RTT.

Change-Id: I661490736205537e9389cd5f7c1d029faff6f29e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357132
Commit-Queue: Renjie Tang <renjietang@chromium.org>
Auto-Submit: Renjie Tang <renjietang@chromium.org>
Reviewed-by: David Schinazi <dschinazi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798364}

net/log/net_log_event_type_list.h

@@ -2030,6 +2030,13 @@ EVENT_TYPE(QUIC_SESSION_TRANSPORT_PARAMETERS_RECEIVED)
 //   }
 EVENT_TYPE(QUIC_SESSION_TRANSPORT_PARAMETERS_SENT)
 
+// A QUIC connection resumed transport parameters for 0-RTT.
+//   {
+//     "quic_transport_parameters": <Human readable view of the transport
+//                                   parameters>
+//   }
+EVENT_TYPE(QUIC_SESSION_TRANSPORT_PARAMETERS_RESUMED)
+
 // A QUIC connection received a PUSH_PROMISE frame.  The following
 // parameters are attached:
 //   {
@@ -3763,6 +3770,11 @@ EVENT_TYPE(HTTP3_UNKNOWN_FRAME_RECEIVED)
 // <setting identifier>: <setting value>
 EVENT_TYPE(HTTP3_SETTINGS_SENT)
 
+// Event emitted when an HTTP/3 SETTINGS frame is resumed for 0-RTT.
+// A list of settings will be logged by
+// <setting identifier>: <setting value>
+EVENT_TYPE(HTTP3_SETTINGS_RESUMED)
+
 // Event emitted when an HTTP/3 GOAWAY frame is sent.
 //  {
 //    "stream_id": <The stream_id field of the GOAWAY frame>

net/quic/quic_connection_logger.cc

@@ -582,6 +582,11 @@ void QuicConnectionLogger::OnTransportParametersReceived(
   event_logger_.OnTransportParametersReceived(transport_parameters);
 }
 
+void QuicConnectionLogger::OnTransportParametersResumed(
+    const quic::TransportParameters& transport_parameters) {
+  event_logger_.OnTransportParametersResumed(transport_parameters);
+}
+
 void QuicConnectionLogger::RecordAggregatePacketLossRate() const {
   // For short connections under 22 packets in length, we'll rely on the
   // Net.QuicSession.21CumulativePacketsReceived_* histogram to indicate packet

net/quic/quic_connection_logger.h

@@ -113,6 +113,8 @@ class NET_EXPORT_PRIVATE QuicConnectionLogger
       const quic::TransportParameters& transport_parameters) override;
   void OnTransportParametersReceived(
       const quic::TransportParameters& transport_parameters) override;
+  void OnTransportParametersResumed(
+      const quic::TransportParameters& transport_parameters) override;
 
   void OnCryptoHandshakeMessageReceived(
       const quic::CryptoHandshakeMessage& message);

net/quic/quic_event_logger.cc

@@ -858,4 +858,14 @@ void QuicEventLogger::OnTransportParametersReceived(
       });
 }
 
+void QuicEventLogger::OnTransportParametersResumed(
+    const quic::TransportParameters& transport_parameters) {
+  if (!net_log_.IsCapturing())
+    return;
+  net_log_.AddEvent(
+      NetLogEventType::QUIC_SESSION_TRANSPORT_PARAMETERS_RESUMED, [&] {
+        return NetLogQuicTransportParametersParams(transport_parameters);
+      });
+}
+
 }  // namespace net

net/quic/quic_event_logger.h

@@ -91,6 +91,8 @@ class NET_EXPORT_PRIVATE QuicEventLogger
       const quic::TransportParameters& transport_parameters) override;
   void OnTransportParametersReceived(
       const quic::TransportParameters& transport_parameters) override;
+  void OnTransportParametersResumed(
+      const quic::TransportParameters& transport_parameters) override;
 
   // Events that are not received via the visitor and have to be called manually
   // from the session.

net/quic/quic_http3_logger.cc

@@ -313,6 +313,13 @@ void QuicHttp3Logger::OnSettingsFrameSent(const quic::SettingsFrame& frame) {
                     [&frame] { return NetLogSettingsParams(frame); });
 }
 
+void QuicHttp3Logger::OnSettingsFrameResumed(const quic::SettingsFrame& frame) {
+  if (!net_log_.IsCapturing())
+    return;
+  net_log_.AddEvent(NetLogEventType::HTTP3_SETTINGS_RESUMED,
+                    [&frame] { return NetLogSettingsParams(frame); });
+}
+
 void QuicHttp3Logger::OnGoAwayFrameSent(quic::QuicStreamId stream_id) {
   if (!net_log_.IsCapturing()) {
     return;

net/quic/quic_http3_logger.h

@@ -35,6 +35,7 @@ class NET_EXPORT_PRIVATE QuicHttp3Logger : public quic::Http3DebugVisitor {
 
   void OnCancelPushFrameReceived(const quic::CancelPushFrame& frame) override;
   void OnSettingsFrameReceived(const quic::SettingsFrame& frame) override;
+  void OnSettingsFrameResumed(const quic::SettingsFrame& frame) override;
   void OnGoAwayFrameReceived(const quic::GoAwayFrame& frame) override;
   void OnMaxPushIdFrameReceived(const quic::MaxPushIdFrame& frame) override;
   void OnPriorityUpdateFrameReceived(