qlog: introduce a basic tracer for non-connection events

This commit is contained in:
Marten Seemann 2024-02-02 17:08:44 +07:00
parent ac1268911e
commit 2abbd41806
5 changed files with 221 additions and 97 deletions

View file

@ -23,10 +23,10 @@ type connectionTracer struct {
// NewConnectionTracer creates a new tracer to record a qlog for a connection.
func NewConnectionTracer(w io.WriteCloser, p logging.Perspective, odcid protocol.ConnectionID) *logging.ConnectionTracer {
tr := &trace{
VantagePoint: vantagePoint{Type: p},
VantagePoint: vantagePoint{Type: p.String()},
CommonFields: commonFields{
ODCID: odcid,
GroupID: odcid,
ODCID: &odcid,
GroupID: &odcid,
ReferenceTime: time.Now(),
},
}

View file

@ -32,6 +32,44 @@ type entry struct {
Event map[string]interface{}
}
func exportAndParse(buf *bytes.Buffer) []entry {
m := make(map[string]interface{})
line, err := buf.ReadBytes('\n')
Expect(err).ToNot(HaveOccurred())
Expect(json.Unmarshal(line, &m)).To(Succeed())
Expect(m).To(HaveKey("trace"))
var entries []entry
trace := m["trace"].(map[string]interface{})
Expect(trace).To(HaveKey("common_fields"))
commonFields := trace["common_fields"].(map[string]interface{})
Expect(commonFields).To(HaveKey("reference_time"))
referenceTime := time.Unix(0, int64(commonFields["reference_time"].(float64)*1e6))
Expect(trace).ToNot(HaveKey("events"))
for buf.Len() > 0 {
line, err := buf.ReadBytes('\n')
Expect(err).ToNot(HaveOccurred())
ev := make(map[string]interface{})
Expect(json.Unmarshal(line, &ev)).To(Succeed())
Expect(ev).To(HaveLen(3))
Expect(ev).To(HaveKey("time"))
Expect(ev).To(HaveKey("name"))
Expect(ev).To(HaveKey("data"))
entries = append(entries, entry{
Time: referenceTime.Add(time.Duration(ev["time"].(float64)*1e6) * time.Nanosecond),
Name: ev["name"].(string),
Event: ev["data"].(map[string]interface{}),
})
}
return entries
}
func exportAndParseSingle(buf *bytes.Buffer) entry {
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(1))
return entries[0]
}
var _ = Describe("Tracing", func() {
var (
tracer *logging.ConnectionTracer
@ -70,46 +108,6 @@ var _ = Describe("Tracing", func() {
})
Context("Events", func() {
exportAndParse := func() []entry {
tracer.Close()
m := make(map[string]interface{})
line, err := buf.ReadBytes('\n')
Expect(err).ToNot(HaveOccurred())
Expect(json.Unmarshal(line, &m)).To(Succeed())
Expect(m).To(HaveKey("trace"))
var entries []entry
trace := m["trace"].(map[string]interface{})
Expect(trace).To(HaveKey("common_fields"))
commonFields := trace["common_fields"].(map[string]interface{})
Expect(commonFields).To(HaveKey("reference_time"))
referenceTime := time.Unix(0, int64(commonFields["reference_time"].(float64)*1e6))
Expect(trace).ToNot(HaveKey("events"))
for buf.Len() > 0 {
line, err := buf.ReadBytes('\n')
Expect(err).ToNot(HaveOccurred())
ev := make(map[string]interface{})
Expect(json.Unmarshal(line, &ev)).To(Succeed())
Expect(ev).To(HaveLen(3))
Expect(ev).To(HaveKey("time"))
Expect(ev).To(HaveKey("name"))
Expect(ev).To(HaveKey("data"))
entries = append(entries, entry{
Time: referenceTime.Add(time.Duration(ev["time"].(float64)*1e6) * time.Nanosecond),
Name: ev["name"].(string),
Event: ev["data"].(map[string]interface{}),
})
}
return entries
}
exportAndParseSingle := func() entry {
entries := exportAndParse()
Expect(entries).To(HaveLen(1))
return entries[0]
}
It("records connection starts", func() {
tracer.StartedConnection(
&net.UDPAddr{IP: net.IPv4(192, 168, 13, 37), Port: 42},
@ -117,7 +115,8 @@ var _ = Describe("Tracing", func() {
protocol.ParseConnectionID([]byte{1, 2, 3, 4}),
protocol.ParseConnectionID([]byte{5, 6, 7, 8}),
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_started"))
ev := entry.Event
@ -132,7 +131,8 @@ var _ = Describe("Tracing", func() {
It("records the version, if no version negotiation happened", func() {
tracer.NegotiatedVersion(0x1337, nil, nil)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:version_information"))
ev := entry.Event
@ -142,7 +142,8 @@ var _ = Describe("Tracing", func() {
It("records the version, if version negotiation happened", func() {
tracer.NegotiatedVersion(0x1337, []logging.VersionNumber{1, 2, 3}, []logging.VersionNumber{4, 5, 6})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:version_information"))
ev := entry.Event
@ -156,7 +157,8 @@ var _ = Describe("Tracing", func() {
It("records idle timeouts", func() {
tracer.ClosedConnection(&quic.IdleTimeoutError{})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -167,7 +169,8 @@ var _ = Describe("Tracing", func() {
It("records handshake timeouts", func() {
tracer.ClosedConnection(&quic.HandshakeTimeoutError{})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -180,7 +183,8 @@ var _ = Describe("Tracing", func() {
tracer.ClosedConnection(&quic.StatelessResetError{
Token: protocol.StatelessResetToken{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff},
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -192,7 +196,8 @@ var _ = Describe("Tracing", func() {
It("records connection closing due to version negotiation failure", func() {
tracer.ClosedConnection(&quic.VersionNegotiationError{})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -206,7 +211,8 @@ var _ = Describe("Tracing", func() {
ErrorCode: 1337,
ErrorMessage: "foobar",
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -221,7 +227,8 @@ var _ = Describe("Tracing", func() {
ErrorCode: qerr.AEADLimitReached,
ErrorMessage: "foobar",
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:connection_closed"))
ev := entry.Event
@ -252,7 +259,8 @@ var _ = Describe("Tracing", func() {
ActiveConnectionIDLimit: 7,
MaxDatagramFrameSize: protocol.InvalidByteCount,
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -280,7 +288,8 @@ var _ = Describe("Tracing", func() {
OriginalDestinationConnectionID: protocol.ParseConnectionID([]byte{0xde, 0xad, 0xc0, 0xde}),
ActiveConnectionIDLimit: 7,
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -291,7 +300,8 @@ var _ = Describe("Tracing", func() {
tracer.SentTransportParameters(&logging.TransportParameters{
StatelessResetToken: &protocol.StatelessResetToken{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00},
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -308,7 +318,8 @@ var _ = Describe("Tracing", func() {
StatelessResetToken: protocol.StatelessResetToken{15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0},
},
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -327,7 +338,8 @@ var _ = Describe("Tracing", func() {
tracer.SentTransportParameters(&logging.TransportParameters{
MaxDatagramFrameSize: 1337,
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -336,7 +348,8 @@ var _ = Describe("Tracing", func() {
It("records received transport parameters", func() {
tracer.ReceivedTransportParameters(&logging.TransportParameters{})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_set"))
ev := entry.Event
@ -352,7 +365,8 @@ var _ = Describe("Tracing", func() {
InitialMaxData: 400,
MaxIdleTimeout: 123 * time.Millisecond,
})
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:parameters_restored"))
ev := entry.Event
@ -388,7 +402,8 @@ var _ = Describe("Tracing", func() {
&logging.StreamFrame{StreamID: 123, Offset: 1234, Length: 6, Fin: true},
},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_sent"))
ev := entry.Event
@ -420,7 +435,8 @@ var _ = Describe("Tracing", func() {
&logging.AckFrame{AckRanges: []logging.AckRange{{Smallest: 1, Largest: 10}}},
[]logging.Frame{&logging.MaxDataFrame{MaximumData: 987}},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
ev := entry.Event
raw := ev["raw"].(map[string]interface{})
Expect(raw).To(HaveKeyWithValue("length", float64(123)))
@ -457,7 +473,8 @@ var _ = Describe("Tracing", func() {
&logging.StreamFrame{StreamID: 123, Offset: 1234, Length: 6, Fin: true},
},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_received"))
ev := entry.Event
@ -494,7 +511,8 @@ var _ = Describe("Tracing", func() {
&logging.StreamFrame{StreamID: 123, Offset: 1234, Length: 6, Fin: true},
},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_received"))
ev := entry.Event
@ -522,7 +540,8 @@ var _ = Describe("Tracing", func() {
Version: protocol.Version1,
},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_received"))
ev := entry.Event
@ -546,7 +565,8 @@ var _ = Describe("Tracing", func() {
protocol.ArbitraryLenConnectionID{4, 3, 2, 1},
[]protocol.Version{0xdeadbeef, 0xdecafbad},
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_received"))
ev := entry.Event
@ -564,7 +584,8 @@ var _ = Describe("Tracing", func() {
It("records buffered packets", func() {
tracer.BufferedPacket(logging.PacketTypeHandshake, 1337)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_buffered"))
ev := entry.Event
@ -579,7 +600,8 @@ var _ = Describe("Tracing", func() {
It("records dropped packets", func() {
tracer.DroppedPacket(logging.PacketTypeRetry, protocol.InvalidPacketNumber, 1337, logging.PacketDropPayloadDecryptError)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_dropped"))
ev := entry.Event
@ -594,7 +616,8 @@ var _ = Describe("Tracing", func() {
It("records dropped packets with a packet number", func() {
tracer.DroppedPacket(logging.PacketTypeHandshake, 42, 1337, logging.PacketDropDuplicate)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:packet_dropped"))
ev := entry.Event
@ -626,7 +649,8 @@ var _ = Describe("Tracing", func() {
1234,
42,
)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:metrics_updated"))
ev := entry.Event
@ -668,7 +692,8 @@ var _ = Describe("Tracing", func() {
12345, // changed
42,
)
entries := exportAndParse()
tracer.Close()
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(2))
Expect(entries[0].Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entries[0].Name).To(Equal("recovery:metrics_updated"))
@ -685,7 +710,8 @@ var _ = Describe("Tracing", func() {
It("records lost packets", func() {
tracer.LostPacket(protocol.EncryptionHandshake, 42, logging.PacketLossReorderingThreshold)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:packet_lost"))
ev := entry.Event
@ -699,7 +725,8 @@ var _ = Describe("Tracing", func() {
It("records congestion state updates", func() {
tracer.UpdatedCongestionState(logging.CongestionStateCongestionAvoidance)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:congestion_state_updated"))
ev := entry.Event
@ -708,7 +735,8 @@ var _ = Describe("Tracing", func() {
It("records PTO changes", func() {
tracer.UpdatedPTOCount(42)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:metrics_updated"))
Expect(entry.Event).To(HaveKeyWithValue("pto_count", float64(42)))
@ -716,7 +744,8 @@ var _ = Describe("Tracing", func() {
It("records TLS key updates", func() {
tracer.UpdatedKeyFromTLS(protocol.EncryptionHandshake, protocol.PerspectiveClient)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("security:key_updated"))
ev := entry.Event
@ -729,7 +758,8 @@ var _ = Describe("Tracing", func() {
It("records TLS key updates, for 1-RTT keys", func() {
tracer.UpdatedKeyFromTLS(protocol.Encryption1RTT, protocol.PerspectiveServer)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("security:key_updated"))
ev := entry.Event
@ -742,7 +772,8 @@ var _ = Describe("Tracing", func() {
It("records QUIC key updates", func() {
tracer.UpdatedKey(1337, true)
entries := exportAndParse()
tracer.Close()
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(2))
var keyTypes []string
for _, entry := range entries {
@ -760,7 +791,8 @@ var _ = Describe("Tracing", func() {
It("records dropped encryption levels", func() {
tracer.DroppedEncryptionLevel(protocol.EncryptionInitial)
entries := exportAndParse()
tracer.Close()
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(2))
var keyTypes []string
for _, entry := range entries {
@ -777,7 +809,8 @@ var _ = Describe("Tracing", func() {
It("records dropped 0-RTT keys", func() {
tracer.DroppedEncryptionLevel(protocol.Encryption0RTT)
entries := exportAndParse()
tracer.Close()
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(1))
entry := entries[0]
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
@ -789,7 +822,8 @@ var _ = Describe("Tracing", func() {
It("records dropped keys", func() {
tracer.DroppedKey(42)
entries := exportAndParse()
tracer.Close()
entries := exportAndParse(buf)
Expect(entries).To(HaveLen(2))
var keyTypes []string
for _, entry := range entries {
@ -808,7 +842,8 @@ var _ = Describe("Tracing", func() {
It("records when the timer is set", func() {
timeout := time.Now().Add(137 * time.Millisecond)
tracer.SetLossTimer(logging.TimerTypePTO, protocol.EncryptionHandshake, timeout)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:loss_timer_updated"))
ev := entry.Event
@ -823,7 +858,8 @@ var _ = Describe("Tracing", func() {
It("records when the loss timer expires", func() {
tracer.LossTimerExpired(logging.TimerTypeACK, protocol.Encryption1RTT)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:loss_timer_updated"))
ev := entry.Event
@ -835,7 +871,8 @@ var _ = Describe("Tracing", func() {
It("records when the timer is canceled", func() {
tracer.LossTimerCanceled()
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:loss_timer_updated"))
ev := entry.Event
@ -845,7 +882,8 @@ var _ = Describe("Tracing", func() {
It("records an ECN state transition, without a trigger", func() {
tracer.ECNStateUpdated(logging.ECNStateUnknown, logging.ECNTriggerNoTrigger)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:ecn_state_updated"))
ev := entry.Event
@ -855,7 +893,8 @@ var _ = Describe("Tracing", func() {
It("records an ECN state transition, with a trigger", func() {
tracer.ECNStateUpdated(logging.ECNStateFailed, logging.ECNFailedNoECNCounts)
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("recovery:ecn_state_updated"))
ev := entry.Event
@ -866,7 +905,8 @@ var _ = Describe("Tracing", func() {
It("records a generic event", func() {
tracer.Debug("foo", "bar")
entry := exportAndParseSingle()
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:foo"))
ev := entry.Event

View file

@ -4,7 +4,6 @@ import (
"runtime/debug"
"time"
"github.com/quic-go/quic-go/internal/protocol"
"github.com/quic-go/quic-go/logging"
"github.com/francoispqt/gojay"
@ -62,30 +61,27 @@ func (c configuration) MarshalJSONObject(enc *gojay.Encoder) {
type vantagePoint struct {
Name string
Type protocol.Perspective
Type string
}
func (p vantagePoint) IsNil() bool { return false }
func (p vantagePoint) MarshalJSONObject(enc *gojay.Encoder) {
enc.StringKeyOmitEmpty("name", p.Name)
switch p.Type {
case protocol.PerspectiveClient:
enc.StringKey("type", "client")
case protocol.PerspectiveServer:
enc.StringKey("type", "server")
}
enc.StringKeyOmitEmpty("type", p.Type)
}
type commonFields struct {
ODCID logging.ConnectionID
GroupID logging.ConnectionID
ODCID *logging.ConnectionID
GroupID *logging.ConnectionID
ProtocolType string
ReferenceTime time.Time
}
func (f commonFields) MarshalJSONObject(enc *gojay.Encoder) {
enc.StringKey("ODCID", f.ODCID.String())
enc.StringKey("group_id", f.ODCID.String())
if f.ODCID != nil {
enc.StringKey("ODCID", f.ODCID.String())
enc.StringKey("group_id", f.ODCID.String())
}
enc.StringKeyOmitEmpty("protocol_type", f.ProtocolType)
enc.Float64Key("reference_time", float64(f.ReferenceTime.UnixNano())/1e6)
enc.StringKey("time_format", "relative")

29
qlog/tracer.go Normal file
View file

@ -0,0 +1,29 @@
package qlog
import (
"io"
"time"
"github.com/quic-go/quic-go/logging"
)
func NewTracer(w io.WriteCloser) *logging.Tracer {
tr := &trace{
VantagePoint: vantagePoint{Type: "transport"},
CommonFields: commonFields{ReferenceTime: time.Now()},
}
wr := *newWriter(w, tr)
go wr.Run()
return &logging.Tracer{
SentPacket: nil,
SentVersionNegotiationPacket: nil,
DroppedPacket: nil,
Debug: func(name, msg string) {
wr.RecordEvent(time.Now(), &eventGeneric{
name: name,
msg: msg,
})
},
Close: func() { wr.Close() },
}
}

59
qlog/tracer_test.go Normal file
View file

@ -0,0 +1,59 @@
package qlog
import (
"bytes"
"encoding/json"
"time"
"github.com/quic-go/quic-go/logging"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Tracing", func() {
var (
tracer *logging.Tracer
buf *bytes.Buffer
)
BeforeEach(func() {
buf = &bytes.Buffer{}
tracer = NewTracer(nopWriteCloser(buf))
})
It("exports a trace that has the right metadata", func() {
tracer.Close()
m := make(map[string]interface{})
Expect(json.Unmarshal(buf.Bytes(), &m)).To(Succeed())
Expect(m).To(HaveKeyWithValue("qlog_version", "draft-02"))
Expect(m).To(HaveKey("title"))
Expect(m).To(HaveKey("trace"))
trace := m["trace"].(map[string]interface{})
Expect(trace).To(HaveKey(("common_fields")))
commonFields := trace["common_fields"].(map[string]interface{})
Expect(commonFields).ToNot(HaveKey("ODCID"))
Expect(commonFields).ToNot(HaveKey("group_id"))
Expect(commonFields).To(HaveKey("reference_time"))
referenceTime := time.Unix(0, int64(commonFields["reference_time"].(float64)*1e6))
Expect(referenceTime).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(commonFields).To(HaveKeyWithValue("time_format", "relative"))
Expect(trace).To(HaveKey("vantage_point"))
vantagePoint := trace["vantage_point"].(map[string]interface{})
Expect(vantagePoint).To(HaveKeyWithValue("type", "transport"))
})
Context("Events", func() {
It("records a generic event", func() {
tracer.Debug("foo", "bar")
tracer.Close()
entry := exportAndParseSingle(buf)
Expect(entry.Time).To(BeTemporally("~", time.Now(), scaleDuration(10*time.Millisecond)))
Expect(entry.Name).To(Equal("transport:foo"))
ev := entry.Event
Expect(ev).To(HaveLen(1))
Expect(ev).To(HaveKeyWithValue("details", "bar"))
})
})
})