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multiplex_test.go
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multiplex_test.go
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package logging
import (
"context"
"errors"
"net"
"time"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/wire"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Tracing", func() {
Context("Tracer", func() {
It("returns a nil tracer if no tracers are passed in", func() {
Expect(NewMultiplexedTracer()).To(BeNil())
})
It("returns the raw tracer if only one tracer is passed in", func() {
tr := NewMockTracer(mockCtrl)
tracer := NewMultiplexedTracer(tr)
Expect(tracer).To(BeAssignableToTypeOf(&MockTracer{}))
})
Context("tracing events", func() {
var (
tracer Tracer
tr1, tr2 *MockTracer
)
BeforeEach(func() {
tr1 = NewMockTracer(mockCtrl)
tr2 = NewMockTracer(mockCtrl)
tracer = NewMultiplexedTracer(tr1, tr2)
})
It("multiplexes the TracerForConnection call", func() {
ctx := context.Background()
connID := protocol.ParseConnectionID([]byte{1, 2, 3})
tr1.EXPECT().TracerForConnection(ctx, PerspectiveClient, connID)
tr2.EXPECT().TracerForConnection(ctx, PerspectiveClient, connID)
tracer.TracerForConnection(ctx, PerspectiveClient, connID)
})
It("uses multiple connection tracers", func() {
ctx := context.Background()
ctr1 := NewMockConnectionTracer(mockCtrl)
ctr2 := NewMockConnectionTracer(mockCtrl)
connID := protocol.ParseConnectionID([]byte{1, 2, 3})
tr1.EXPECT().TracerForConnection(ctx, PerspectiveServer, connID).Return(ctr1)
tr2.EXPECT().TracerForConnection(ctx, PerspectiveServer, connID).Return(ctr2)
tr := tracer.TracerForConnection(ctx, PerspectiveServer, connID)
ctr1.EXPECT().LossTimerCanceled()
ctr2.EXPECT().LossTimerCanceled()
tr.LossTimerCanceled()
})
It("handles tracers that return a nil ConnectionTracer", func() {
ctx := context.Background()
ctr1 := NewMockConnectionTracer(mockCtrl)
connID := protocol.ParseConnectionID([]byte{1, 2, 3, 4})
tr1.EXPECT().TracerForConnection(ctx, PerspectiveServer, connID).Return(ctr1)
tr2.EXPECT().TracerForConnection(ctx, PerspectiveServer, connID)
tr := tracer.TracerForConnection(ctx, PerspectiveServer, connID)
ctr1.EXPECT().LossTimerCanceled()
tr.LossTimerCanceled()
})
It("returns nil when all tracers return a nil ConnectionTracer", func() {
ctx := context.Background()
connID := protocol.ParseConnectionID([]byte{1, 2, 3, 4, 5})
tr1.EXPECT().TracerForConnection(ctx, PerspectiveClient, connID)
tr2.EXPECT().TracerForConnection(ctx, PerspectiveClient, connID)
Expect(tracer.TracerForConnection(ctx, PerspectiveClient, connID)).To(BeNil())
})
It("traces the PacketSent event", func() {
remote := &net.UDPAddr{IP: net.IPv4(4, 3, 2, 1)}
hdr := &Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}
f := &MaxDataFrame{MaximumData: 1337}
tr1.EXPECT().SentPacket(remote, hdr, ByteCount(1024), []Frame{f})
tr2.EXPECT().SentPacket(remote, hdr, ByteCount(1024), []Frame{f})
tracer.SentPacket(remote, hdr, 1024, []Frame{f})
})
It("traces the PacketSent event", func() {
remote := &net.UDPAddr{IP: net.IPv4(4, 3, 2, 1)}
src := ArbitraryLenConnectionID{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}
dest := ArbitraryLenConnectionID{1, 2, 3, 4}
versions := []VersionNumber{1, 2, 3}
tr1.EXPECT().SentVersionNegotiationPacket(remote, dest, src, versions)
tr2.EXPECT().SentVersionNegotiationPacket(remote, dest, src, versions)
tracer.SentVersionNegotiationPacket(remote, dest, src, versions)
})
It("traces the PacketDropped event", func() {
remote := &net.UDPAddr{IP: net.IPv4(4, 3, 2, 1)}
tr1.EXPECT().DroppedPacket(remote, PacketTypeRetry, ByteCount(1024), PacketDropDuplicate)
tr2.EXPECT().DroppedPacket(remote, PacketTypeRetry, ByteCount(1024), PacketDropDuplicate)
tracer.DroppedPacket(remote, PacketTypeRetry, 1024, PacketDropDuplicate)
})
})
})
Context("Connection Tracer", func() {
var (
tracer ConnectionTracer
tr1 *MockConnectionTracer
tr2 *MockConnectionTracer
)
BeforeEach(func() {
tr1 = NewMockConnectionTracer(mockCtrl)
tr2 = NewMockConnectionTracer(mockCtrl)
tracer = NewMultiplexedConnectionTracer(tr1, tr2)
})
It("trace the ConnectionStarted event", func() {
local := &net.UDPAddr{IP: net.IPv4(1, 2, 3, 4)}
remote := &net.UDPAddr{IP: net.IPv4(4, 3, 2, 1)}
dest := protocol.ParseConnectionID([]byte{1, 2, 3, 4})
src := protocol.ParseConnectionID([]byte{4, 3, 2, 1})
tr1.EXPECT().StartedConnection(local, remote, src, dest)
tr2.EXPECT().StartedConnection(local, remote, src, dest)
tracer.StartedConnection(local, remote, src, dest)
})
It("traces the ClosedConnection event", func() {
e := errors.New("test err")
tr1.EXPECT().ClosedConnection(e)
tr2.EXPECT().ClosedConnection(e)
tracer.ClosedConnection(e)
})
It("traces the SentTransportParameters event", func() {
tp := &wire.TransportParameters{InitialMaxData: 1337}
tr1.EXPECT().SentTransportParameters(tp)
tr2.EXPECT().SentTransportParameters(tp)
tracer.SentTransportParameters(tp)
})
It("traces the ReceivedTransportParameters event", func() {
tp := &wire.TransportParameters{InitialMaxData: 1337}
tr1.EXPECT().ReceivedTransportParameters(tp)
tr2.EXPECT().ReceivedTransportParameters(tp)
tracer.ReceivedTransportParameters(tp)
})
It("traces the RestoredTransportParameters event", func() {
tp := &wire.TransportParameters{InitialMaxData: 1337}
tr1.EXPECT().RestoredTransportParameters(tp)
tr2.EXPECT().RestoredTransportParameters(tp)
tracer.RestoredTransportParameters(tp)
})
It("traces the SentPacket 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})
})
It("traces the ReceivedVersionNegotiationPacket event", func() {
src := ArbitraryLenConnectionID{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}
dest := ArbitraryLenConnectionID{1, 2, 3, 4}
tr1.EXPECT().ReceivedVersionNegotiationPacket(dest, src, []VersionNumber{1337})
tr2.EXPECT().ReceivedVersionNegotiationPacket(dest, src, []VersionNumber{1337})
tracer.ReceivedVersionNegotiationPacket(dest, src, []VersionNumber{1337})
})
It("traces the ReceivedRetry event", func() {
hdr := &Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}
tr1.EXPECT().ReceivedRetry(hdr)
tr2.EXPECT().ReceivedRetry(hdr)
tracer.ReceivedRetry(hdr)
})
It("traces the ReceivedLongHeaderPacket event", func() {
hdr := &ExtendedHeader{Header: Header{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}}
ping := &PingFrame{}
tr1.EXPECT().ReceivedLongHeaderPacket(hdr, ByteCount(1337), []Frame{ping})
tr2.EXPECT().ReceivedLongHeaderPacket(hdr, ByteCount(1337), []Frame{ping})
tracer.ReceivedLongHeaderPacket(hdr, 1337, []Frame{ping})
})
It("traces the ReceivedShortHeaderPacket event", func() {
hdr := &ShortHeader{DestConnectionID: protocol.ParseConnectionID([]byte{1, 2, 3})}
ping := &PingFrame{}
tr1.EXPECT().ReceivedShortHeaderPacket(hdr, ByteCount(1337), []Frame{ping})
tr2.EXPECT().ReceivedShortHeaderPacket(hdr, ByteCount(1337), []Frame{ping})
tracer.ReceivedShortHeaderPacket(hdr, 1337, []Frame{ping})
})
It("traces the BufferedPacket event", func() {
tr1.EXPECT().BufferedPacket(PacketTypeHandshake, ByteCount(1337))
tr2.EXPECT().BufferedPacket(PacketTypeHandshake, ByteCount(1337))
tracer.BufferedPacket(PacketTypeHandshake, 1337)
})
It("traces the DroppedPacket event", func() {
tr1.EXPECT().DroppedPacket(PacketTypeInitial, ByteCount(1337), PacketDropHeaderParseError)
tr2.EXPECT().DroppedPacket(PacketTypeInitial, ByteCount(1337), PacketDropHeaderParseError)
tracer.DroppedPacket(PacketTypeInitial, 1337, PacketDropHeaderParseError)
})
It("traces the UpdatedCongestionState event", func() {
tr1.EXPECT().UpdatedCongestionState(CongestionStateRecovery)
tr2.EXPECT().UpdatedCongestionState(CongestionStateRecovery)
tracer.UpdatedCongestionState(CongestionStateRecovery)
})
It("traces the UpdatedMetrics event", func() {
rttStats := &RTTStats{}
rttStats.UpdateRTT(time.Second, 0, time.Now())
tr1.EXPECT().UpdatedMetrics(rttStats, ByteCount(1337), ByteCount(42), 13)
tr2.EXPECT().UpdatedMetrics(rttStats, ByteCount(1337), ByteCount(42), 13)
tracer.UpdatedMetrics(rttStats, 1337, 42, 13)
})
It("traces the AcknowledgedPacket event", func() {
tr1.EXPECT().AcknowledgedPacket(EncryptionHandshake, PacketNumber(42))
tr2.EXPECT().AcknowledgedPacket(EncryptionHandshake, PacketNumber(42))
tracer.AcknowledgedPacket(EncryptionHandshake, 42)
})
It("traces the LostPacket event", func() {
tr1.EXPECT().LostPacket(EncryptionHandshake, PacketNumber(42), PacketLossReorderingThreshold)
tr2.EXPECT().LostPacket(EncryptionHandshake, PacketNumber(42), PacketLossReorderingThreshold)
tracer.LostPacket(EncryptionHandshake, 42, PacketLossReorderingThreshold)
})
It("traces the UpdatedPTOCount event", func() {
tr1.EXPECT().UpdatedPTOCount(uint32(88))
tr2.EXPECT().UpdatedPTOCount(uint32(88))
tracer.UpdatedPTOCount(88)
})
It("traces the UpdatedKeyFromTLS event", func() {
tr1.EXPECT().UpdatedKeyFromTLS(EncryptionHandshake, PerspectiveClient)
tr2.EXPECT().UpdatedKeyFromTLS(EncryptionHandshake, PerspectiveClient)
tracer.UpdatedKeyFromTLS(EncryptionHandshake, PerspectiveClient)
})
It("traces the UpdatedKey event", func() {
tr1.EXPECT().UpdatedKey(KeyPhase(42), true)
tr2.EXPECT().UpdatedKey(KeyPhase(42), true)
tracer.UpdatedKey(KeyPhase(42), true)
})
It("traces the DroppedEncryptionLevel event", func() {
tr1.EXPECT().DroppedEncryptionLevel(EncryptionHandshake)
tr2.EXPECT().DroppedEncryptionLevel(EncryptionHandshake)
tracer.DroppedEncryptionLevel(EncryptionHandshake)
})
It("traces the DroppedKey event", func() {
tr1.EXPECT().DroppedKey(KeyPhase(123))
tr2.EXPECT().DroppedKey(KeyPhase(123))
tracer.DroppedKey(123)
})
It("traces the SetLossTimer event", func() {
now := time.Now()
tr1.EXPECT().SetLossTimer(TimerTypePTO, EncryptionHandshake, now)
tr2.EXPECT().SetLossTimer(TimerTypePTO, EncryptionHandshake, now)
tracer.SetLossTimer(TimerTypePTO, EncryptionHandshake, now)
})
It("traces the LossTimerExpired event", func() {
tr1.EXPECT().LossTimerExpired(TimerTypePTO, EncryptionHandshake)
tr2.EXPECT().LossTimerExpired(TimerTypePTO, EncryptionHandshake)
tracer.LossTimerExpired(TimerTypePTO, EncryptionHandshake)
})
It("traces the LossTimerCanceled event", func() {
tr1.EXPECT().LossTimerCanceled()
tr2.EXPECT().LossTimerCanceled()
tracer.LossTimerCanceled()
})
It("traces the Close event", func() {
tr1.EXPECT().Close()
tr2.EXPECT().Close()
tracer.Close()
})
})
})