introduce separate tracing calls for sent long and short header packets

This commit is contained in:
Marten Seemann 2022-08-30 15:59:55 +03:00
parent 9e5f92b561
commit 24be84cd00
14 changed files with 127 additions and 61 deletions

View file

@ -1971,7 +1971,21 @@ func (s *connection) logPacketContents(p *packetContents) {
if p.ack != nil {
ack = logutils.ConvertAckFrame(p.ack)
}
s.tracer.SentPacket(p.header, p.length, ack, frames)
if p.header.IsLongHeader {
s.tracer.SentLongHeaderPacket(p.header, p.length, ack, frames)
} else {
s.tracer.SentShortHeaderPacket(
&logging.ShortHeader{
DestConnectionID: p.header.DestConnectionID,
PacketNumber: p.header.PacketNumber,
PacketNumberLen: p.header.PacketNumberLen,
KeyPhase: p.header.KeyPhase,
},
p.length,
ack,
frames,
)
}
}
// quic-go logging

View file

@ -605,7 +605,7 @@ var _ = Describe("Connection", func() {
sph.EXPECT().HasPacingBudget().Return(true).AnyTimes()
// only expect a single SentPacket() call
sph.EXPECT().SentPacket(gomock.Any())
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
tracer.EXPECT().ClosedConnection(gomock.Any())
tracer.EXPECT().Close()
streamManager.EXPECT().CloseWithError(gomock.Any())
@ -1245,7 +1245,12 @@ var _ = Describe("Connection", func() {
sent := make(chan struct{})
sender.EXPECT().WouldBlock().AnyTimes()
sender.EXPECT().Send(gomock.Any()).Do(func(packet *packetBuffer) { close(sent) })
tracer.EXPECT().SentPacket(p.header, p.buffer.Len(), nil, []logging.Frame{})
tracer.EXPECT().SentShortHeaderPacket(&logging.ShortHeader{
DestConnectionID: p.header.DestConnectionID,
PacketNumber: p.header.PacketNumber,
PacketNumberLen: p.header.PacketNumberLen,
KeyPhase: p.header.KeyPhase,
}, p.buffer.Len(), nil, []logging.Frame{})
conn.scheduleSending()
Eventually(sent).Should(BeClosed())
})
@ -1291,7 +1296,7 @@ var _ = Describe("Connection", func() {
runConn()
sent := make(chan struct{})
sender.EXPECT().Send(gomock.Any()).Do(func(packet *packetBuffer) { close(sent) })
tracer.EXPECT().SentPacket(p.header, p.length, nil, []logging.Frame{})
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), p.length, nil, []logging.Frame{})
conn.scheduleSending()
Eventually(sent).Should(BeClosed())
frames, _ := conn.framer.AppendControlFrames(nil, 1000)
@ -1347,7 +1352,7 @@ var _ = Describe("Connection", func() {
runConn()
sent := make(chan struct{})
sender.EXPECT().Send(gomock.Any()).Do(func(packet *packetBuffer) { close(sent) })
tracer.EXPECT().SentPacket(p.packets[0].header, p.packets[0].length, gomock.Any(), gomock.Any())
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), p.packets[0].length, gomock.Any(), gomock.Any())
conn.scheduleSending()
Eventually(sent).Should(BeClosed())
})
@ -1368,7 +1373,7 @@ var _ = Describe("Connection", func() {
runConn()
sent := make(chan struct{})
sender.EXPECT().Send(gomock.Any()).Do(func(packet *packetBuffer) { close(sent) })
tracer.EXPECT().SentPacket(p.packets[0].header, p.packets[0].length, gomock.Any(), gomock.Any())
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), p.packets[0].length, gomock.Any(), gomock.Any())
conn.scheduleSending()
Eventually(sent).Should(BeClosed())
// We're using a mock packet packer in this test.
@ -1386,7 +1391,7 @@ var _ = Describe("Connection", func() {
)
BeforeEach(func() {
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
sph = mockackhandler.NewMockSentPacketHandler(mockCtrl)
sph.EXPECT().GetLossDetectionTimeout().AnyTimes()
conn.handshakeConfirmed = true
@ -1705,7 +1710,7 @@ var _ = Describe("Connection", func() {
// only EXPECT calls after scheduleSending is called
written := make(chan struct{})
sender.EXPECT().Send(gomock.Any()).Do(func(*packetBuffer) { close(written) })
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
conn.scheduleSending()
Eventually(written).Should(BeClosed())
})
@ -1729,7 +1734,7 @@ var _ = Describe("Connection", func() {
written := make(chan struct{})
sender.EXPECT().Send(gomock.Any()).Do(func(*packetBuffer) { close(written) })
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
go func() {
defer GinkgoRecover()
cryptoSetup.EXPECT().RunHandshake().MaxTimes(1)
@ -1789,10 +1794,10 @@ var _ = Describe("Connection", func() {
}),
)
gomock.InOrder(
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Do(func(hdr *wire.ExtendedHeader, _ protocol.ByteCount, _ *wire.AckFrame, _ []logging.Frame) {
tracer.EXPECT().SentLongHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Do(func(hdr *wire.ExtendedHeader, _ protocol.ByteCount, _ *wire.AckFrame, _ []logging.Frame) {
Expect(hdr.Type).To(Equal(protocol.PacketTypeInitial))
}),
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Do(func(hdr *wire.ExtendedHeader, _ protocol.ByteCount, _ *wire.AckFrame, _ []logging.Frame) {
tracer.EXPECT().SentLongHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Do(func(hdr *wire.ExtendedHeader, _ protocol.ByteCount, _ *wire.AckFrame, _ []logging.Frame) {
Expect(hdr.Type).To(Equal(protocol.PacketTypeHandshake))
}),
)
@ -1931,7 +1936,7 @@ var _ = Describe("Connection", func() {
sph.EXPECT().SetHandshakeConfirmed()
sph.EXPECT().SentPacket(gomock.Any())
mconn.EXPECT().Write(gomock.Any())
tracer.EXPECT().SentPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
tracer.EXPECT().SentShortHeaderPacket(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any())
conn.sentPacketHandler = sph
done := make(chan struct{})
connRunner.EXPECT().Retire(clientDestConnID)

View file

@ -16,16 +16,13 @@ import (
)
var (
sentHeaders []*logging.ExtendedHeader
sentHeaders []*logging.ShortHeader
receivedHeaders []*logging.ShortHeader
)
func countKeyPhases() (sent, received int) {
lastKeyPhase := protocol.KeyPhaseOne
for _, hdr := range sentHeaders {
if hdr.IsLongHeader {
continue
}
if hdr.KeyPhase != lastKeyPhase {
sent++
lastKeyPhase = hdr.KeyPhase
@ -45,7 +42,7 @@ type keyUpdateConnTracer struct {
logging.NullConnectionTracer
}
func (t *keyUpdateConnTracer) SentPacket(hdr *logging.ExtendedHeader, size logging.ByteCount, ack *logging.AckFrame, frames []logging.Frame) {
func (t *keyUpdateConnTracer) SentShortHeaderPacket(hdr *logging.ShortHeader, _ logging.ByteCount, _ *logging.AckFrame, _ []logging.Frame) {
sentHeaders = append(sentHeaders, hdr)
}

View file

@ -358,9 +358,9 @@ type shortHeaderPacket struct {
type packetTracer struct {
logging.NullConnectionTracer
closed chan struct{}
rcvdShortHdr []shortHeaderPacket
sent, rcvdLongHdr []packet
closed chan struct{}
sentShortHdr, rcvdShortHdr []shortHeaderPacket
rcvdLongHdr []packet
}
func newPacketTracer() *packetTracer {
@ -375,16 +375,18 @@ func (t *packetTracer) ReceivedShortHeaderPacket(hdr *logging.ShortHeader, _ log
t.rcvdShortHdr = append(t.rcvdShortHdr, shortHeaderPacket{time: time.Now(), hdr: hdr, frames: frames})
}
func (t *packetTracer) SentPacket(hdr *logging.ExtendedHeader, _ logging.ByteCount, ack *wire.AckFrame, frames []logging.Frame) {
func (t *packetTracer) SentShortHeaderPacket(hdr *logging.ShortHeader, _ logging.ByteCount, ack *wire.AckFrame, frames []logging.Frame) {
if ack != nil {
frames = append(frames, ack)
}
t.sent = append(t.sent, packet{time: time.Now(), hdr: hdr, frames: frames})
t.sentShortHdr = append(t.sentShortHdr, shortHeaderPacket{time: time.Now(), hdr: hdr, frames: frames})
}
func (t *packetTracer) Close() { close(t.closed) }
func (t *packetTracer) getSentPackets() []packet {
func (t *packetTracer) getSentShortHeaderPackets() []shortHeaderPacket {
<-t.closed
return t.sent
return t.sentShortHdr
}
func (t *packetTracer) getRcvdLongHeaderPackets() []packet {

View file

@ -213,7 +213,7 @@ var _ = Describe("Timeout tests", func() {
}()
Eventually(done, 2*idleTimeout).Should(BeClosed())
var lastAckElicitingPacketSentAt time.Time
for _, p := range tr.getSentPackets() {
for _, p := range tr.getSentShortHeaderPackets() {
var hasAckElicitingFrame bool
for _, f := range p.frames {
if _, ok := f.(*logging.AckFrame); ok {

View file

@ -255,16 +255,28 @@ func (mr *MockConnectionTracerMockRecorder) RestoredTransportParameters(arg0 int
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RestoredTransportParameters", reflect.TypeOf((*MockConnectionTracer)(nil).RestoredTransportParameters), arg0)
}
// SentPacket mocks base method.
func (m *MockConnectionTracer) SentPacket(arg0 *wire.ExtendedHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []logging.Frame) {
// SentLongHeaderPacket mocks base method.
func (m *MockConnectionTracer) SentLongHeaderPacket(arg0 *wire.ExtendedHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []logging.Frame) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "SentPacket", arg0, arg1, arg2, arg3)
m.ctrl.Call(m, "SentLongHeaderPacket", arg0, arg1, arg2, arg3)
}
// SentPacket indicates an expected call of SentPacket.
func (mr *MockConnectionTracerMockRecorder) SentPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
// SentLongHeaderPacket indicates an expected call of SentLongHeaderPacket.
func (mr *MockConnectionTracerMockRecorder) SentLongHeaderPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentPacket), arg0, arg1, arg2, arg3)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentLongHeaderPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentLongHeaderPacket), arg0, arg1, arg2, arg3)
}
// SentShortHeaderPacket mocks base method.
func (m *MockConnectionTracer) SentShortHeaderPacket(arg0 *logging.ShortHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []logging.Frame) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "SentShortHeaderPacket", arg0, arg1, arg2, arg3)
}
// SentShortHeaderPacket indicates an expected call of SentShortHeaderPacket.
func (mr *MockConnectionTracerMockRecorder) SentShortHeaderPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentShortHeaderPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentShortHeaderPacket), arg0, arg1, arg2, arg3)
}
// SentTransportParameters mocks base method.

View file

@ -121,7 +121,8 @@ type ConnectionTracer interface {
SentTransportParameters(*TransportParameters)
ReceivedTransportParameters(*TransportParameters)
RestoredTransportParameters(parameters *TransportParameters) // for 0-RTT
SentPacket(hdr *ExtendedHeader, size ByteCount, ack *AckFrame, frames []Frame)
SentLongHeaderPacket(hdr *ExtendedHeader, size ByteCount, ack *AckFrame, frames []Frame)
SentShortHeaderPacket(hdr *ShortHeader, size ByteCount, ack *AckFrame, frames []Frame)
ReceivedVersionNegotiationPacket(dest, src ArbitraryLenConnectionID, _ []VersionNumber)
ReceivedRetry(*Header)
ReceivedLongHeaderPacket(hdr *ExtendedHeader, size ByteCount, frames []Frame)

View file

@ -254,16 +254,28 @@ func (mr *MockConnectionTracerMockRecorder) RestoredTransportParameters(arg0 int
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RestoredTransportParameters", reflect.TypeOf((*MockConnectionTracer)(nil).RestoredTransportParameters), arg0)
}
// SentPacket mocks base method.
func (m *MockConnectionTracer) SentPacket(arg0 *wire.ExtendedHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []Frame) {
// SentLongHeaderPacket mocks base method.
func (m *MockConnectionTracer) SentLongHeaderPacket(arg0 *wire.ExtendedHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []Frame) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "SentPacket", arg0, arg1, arg2, arg3)
m.ctrl.Call(m, "SentLongHeaderPacket", arg0, arg1, arg2, arg3)
}
// SentPacket indicates an expected call of SentPacket.
func (mr *MockConnectionTracerMockRecorder) SentPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
// SentLongHeaderPacket indicates an expected call of SentLongHeaderPacket.
func (mr *MockConnectionTracerMockRecorder) SentLongHeaderPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentPacket), arg0, arg1, arg2, arg3)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentLongHeaderPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentLongHeaderPacket), arg0, arg1, arg2, arg3)
}
// SentShortHeaderPacket mocks base method.
func (m *MockConnectionTracer) SentShortHeaderPacket(arg0 *ShortHeader, arg1 protocol.ByteCount, arg2 *wire.AckFrame, arg3 []Frame) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "SentShortHeaderPacket", arg0, arg1, arg2, arg3)
}
// SentShortHeaderPacket indicates an expected call of SentShortHeaderPacket.
func (mr *MockConnectionTracerMockRecorder) SentShortHeaderPacket(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SentShortHeaderPacket", reflect.TypeOf((*MockConnectionTracer)(nil).SentShortHeaderPacket), arg0, arg1, arg2, arg3)
}
// SentTransportParameters mocks base method.

View file

@ -104,9 +104,15 @@ func (m *connTracerMultiplexer) RestoredTransportParameters(tp *TransportParamet
}
}
func (m *connTracerMultiplexer) SentPacket(hdr *ExtendedHeader, size ByteCount, ack *AckFrame, frames []Frame) {
func (m *connTracerMultiplexer) SentLongHeaderPacket(hdr *ExtendedHeader, size ByteCount, ack *AckFrame, frames []Frame) {
for _, t := range m.tracers {
t.SentPacket(hdr, size, ack, frames)
t.SentLongHeaderPacket(hdr, size, ack, frames)
}
}
func (m *connTracerMultiplexer) SentShortHeaderPacket(hdr *ShortHeader, size ByteCount, ack *AckFrame, frames []Frame) {
for _, t := range m.tracers {
t.SentShortHeaderPacket(hdr, size, ack, frames)
}
}

View file

@ -157,13 +157,22 @@ var _ = Describe("Tracing", func() {
tracer.RestoredTransportParameters(tp)
})
It("traces the SentPacket event", func() {
It("traces the SentLongHeaderPacket event", func() {
hdr := &ExtendedHeader{Header: Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}}
ack := &AckFrame{AckRanges: []AckRange{{Smallest: 1, Largest: 10}}}
ping := &PingFrame{}
tr1.EXPECT().SentPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tr2.EXPECT().SentPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tracer.SentPacket(hdr, 1337, ack, []Frame{ping})
tr1.EXPECT().SentLongHeaderPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tr2.EXPECT().SentLongHeaderPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tracer.SentLongHeaderPacket(hdr, 1337, ack, []Frame{ping})
})
It("traces the SentShortHeaderPacket event", func() {
hdr := &ShortHeader{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}
ack := &AckFrame{AckRanges: []AckRange{{Smallest: 1, Largest: 10}}}
ping := &PingFrame{}
tr1.EXPECT().SentShortHeaderPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tr2.EXPECT().SentShortHeaderPacket(hdr, ByteCount(1337), ack, []Frame{ping})
tracer.SentShortHeaderPacket(hdr, 1337, ack, []Frame{ping})
})
It("traces the ReceivedVersionNegotiationPacket event", func() {

View file

@ -31,11 +31,12 @@ func (n NullConnectionTracer) StartedConnection(local, remote net.Addr, srcConnI
func (n NullConnectionTracer) NegotiatedVersion(chosen VersionNumber, clientVersions, serverVersions []VersionNumber) {
}
func (n NullConnectionTracer) ClosedConnection(err error) {}
func (n NullConnectionTracer) SentTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) ReceivedTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) RestoredTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) SentPacket(*ExtendedHeader, ByteCount, *AckFrame, []Frame) {}
func (n NullConnectionTracer) ClosedConnection(err error) {}
func (n NullConnectionTracer) SentTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) ReceivedTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) RestoredTransportParameters(*TransportParameters) {}
func (n NullConnectionTracer) SentLongHeaderPacket(*ExtendedHeader, ByteCount, *AckFrame, []Frame) {}
func (n NullConnectionTracer) SentShortHeaderPacket(*ShortHeader, ByteCount, *AckFrame, []Frame) {}
func (n NullConnectionTracer) ReceivedVersionNegotiationPacket(dest, src ArbitraryLenConnectionID, _ []VersionNumber) {
}
func (n NullConnectionTracer) ReceivedRetry(*Header) {}

View file

@ -154,7 +154,7 @@ func (e eventConnectionClosed) MarshalJSONObject(enc *gojay.Encoder) {
}
type eventPacketSent struct {
Header packetHeader
Header gojay.MarshalerJSONObject // either a shortHeader or a packetHeader
Length logging.ByteCount
PayloadLength logging.ByteCount
Frames frames

View file

@ -274,7 +274,15 @@ func (t *connectionTracer) toTransportParameters(tp *wire.TransportParameters) *
}
}
func (t *connectionTracer) SentPacket(hdr *wire.ExtendedHeader, packetSize logging.ByteCount, ack *logging.AckFrame, frames []logging.Frame) {
func (t *connectionTracer) SentLongHeaderPacket(hdr *logging.ExtendedHeader, packetSize logging.ByteCount, ack *logging.AckFrame, frames []logging.Frame) {
t.sentPacket(*transformLongHeader(hdr), packetSize, hdr.Length, ack, frames)
}
func (t *connectionTracer) SentShortHeaderPacket(hdr *logging.ShortHeader, packetSize logging.ByteCount, ack *logging.AckFrame, frames []logging.Frame) {
t.sentPacket(*transformShortHeader(hdr), packetSize, 0, ack, frames)
}
func (t *connectionTracer) sentPacket(hdr gojay.MarshalerJSONObject, packetSize, payloadLen logging.ByteCount, ack *logging.AckFrame, frames []logging.Frame) {
numFrames := len(frames)
if ack != nil {
numFrames++
@ -286,12 +294,11 @@ func (t *connectionTracer) SentPacket(hdr *wire.ExtendedHeader, packetSize loggi
for _, f := range frames {
fs = append(fs, frame{Frame: f})
}
header := *transformLongHeader(hdr)
t.mutex.Lock()
t.recordEvent(time.Now(), &eventPacketSent{
Header: header,
Header: hdr,
Length: packetSize,
PayloadLength: hdr.Length,
PayloadLength: payloadLen,
Frames: fs,
})
t.mutex.Unlock()

View file

@ -420,8 +420,8 @@ var _ = Describe("Tracing", func() {
Expect(ev).To(HaveKeyWithValue("initial_max_stream_data_uni", float64(300)))
})
It("records a sent packet, without an ACK", func() {
tracer.SentPacket(
It("records a sent long header packet, without an ACK", func() {
tracer.SentLongHeaderPacket(
&logging.ExtendedHeader{
Header: logging.Header{
IsLongHeader: true,
@ -460,11 +460,11 @@ var _ = Describe("Tracing", func() {
Expect(frames[1].(map[string]interface{})).To(HaveKeyWithValue("frame_type", "stream"))
})
It("records a sent packet, without an ACK", func() {
tracer.SentPacket(
&logging.ExtendedHeader{
Header: logging.Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3, 4})},
PacketNumber: 1337,
It("records a sent short header packet, without an ACK", func() {
tracer.SentShortHeaderPacket(
&logging.ShortHeader{
DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3, 4}),
PacketNumber: 1337,
},
123,
&logging.AckFrame{AckRanges: []logging.AckRange{{Smallest: 1, Largest: 10}}},