http3: add the qlog event schema to trace header (#5383)

integrationtests/self/self_test.go

@@ -137,6 +137,10 @@ func (t *multiplexedTrace) AddProducer() qlogwriter.Recorder {
 	return &multiplexedRecorder{Recorders: recorders}
 }
 
+func (t *multiplexedTrace) SupportsSchemas(schema string) bool {
+	return true
+}
+
 func getQuicConfig(conf *quic.Config) *quic.Config {
 	if conf == nil {
 		conf = &quic.Config{}

integrationtests/tools/qlog.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/quic-go/quic-go"
+	h3qlog "github.com/quic-go/quic-go/http3/qlog"
 	"github.com/quic-go/quic-go/internal/utils"
 	"github.com/quic-go/quic-go/qlog"
 	"github.com/quic-go/quic-go/qlogwriter"
@@ -46,7 +47,7 @@ func NewQlogConnectionTracer(logger io.Writer) func(ctx context.Context, isClien
 			utils.NewBufferedWriteCloser(bufio.NewWriter(f), f),
 			isClient,
 			connID,
-			[]string{qlog.EventSchema},
+			[]string{qlog.EventSchema, h3qlog.EventSchema},
 		)
 		go fileSeq.Run()
 		return fileSeq

integrationtests/versionnegotiation/test_helper_test.go

@@ -74,6 +74,8 @@ type multiplexedTrace struct {
 
 var _ qlogwriter.Trace = &multiplexedTrace{}
 
+func (t *multiplexedTrace) SupportsSchemas(schema string) bool { return true }
+
 func (t *multiplexedTrace) AddProducer() qlogwriter.Recorder {
 	recorders := make([]qlogwriter.Recorder, 0, len(t.Traces))
 	for _, tr := range t.Traces {