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trace dropped packets in the packet handler map

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This commit is contained in:
Marten Seemann 2020-07-10 15:39:56 +07:00
parent 2f63bc0731
commit 48e15aed92
2 changed files with 14 additions and 3 deletions
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3
packet_handler_map.go
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@ -274,6 +274,9 @@ func (h *packetHandlerMap) handlePacket(
connID, err := wire.ParseConnectionID(data, h.connIDLen) connID, err := wire.ParseConnectionID(data, h.connIDLen)
if err != nil { if err != nil {
h.logger.Debugf("error parsing connection ID on packet from %s: %s", addr, err) h.logger.Debugf("error parsing connection ID on packet from %s: %s", addr, err)
if h.tracer != nil {
h.tracer.DroppedPacket(addr, logging.PacketTypeNotDetermined, protocol.ByteCount(len(data)), logging.PacketDropHeaderParseError)
}
return return
} }
rcvTime := time.Now() rcvTime := time.Now()

14
packet_handler_map_test.go
View file

@ -7,10 +7,14 @@ import (
"net" "net"
"time" "time"
"github.com/golang/mock/gomock" "github.com/lucas-clemente/quic-go/internal/mocks"
"github.com/lucas-clemente/quic-go/internal/protocol" "github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils" "github.com/lucas-clemente/quic-go/internal/utils"
"github.com/lucas-clemente/quic-go/internal/wire" "github.com/lucas-clemente/quic-go/internal/wire"
"github.com/lucas-clemente/quic-go/logging"
"github.com/golang/mock/gomock"
. "github.com/onsi/ginkgo" . "github.com/onsi/ginkgo"
. "github.com/onsi/gomega" . "github.com/onsi/gomega"
) )
@ -19,6 +23,7 @@ var _ = Describe("Packet Handler Map", func() {
var ( var (
handler *packetHandlerMap handler *packetHandlerMap
conn *mockPacketConn conn *mockPacketConn
tracer *mocks.MockTracer
connIDLen int connIDLen int
statelessResetKey []byte statelessResetKey []byte
@ -46,11 +51,12 @@ var _ = Describe("Packet Handler Map", func() {
BeforeEach(func() { BeforeEach(func() {
statelessResetKey = nil statelessResetKey = nil
connIDLen = 0 connIDLen = 0
tracer = mocks.NewMockTracer(mockCtrl)
}) })
JustBeforeEach(func() { JustBeforeEach(func() {
conn = newMockPacketConn() conn = newMockPacketConn()
handler = newPacketHandlerMap(conn, connIDLen, statelessResetKey, nil, utils.DefaultLogger).(*packetHandlerMap) handler = newPacketHandlerMap(conn, connIDLen, statelessResetKey, tracer, utils.DefaultLogger).(*packetHandlerMap)
}) })
AfterEach(func() { AfterEach(func() {
@ -122,7 +128,9 @@ var _ = Describe("Packet Handler Map", func() {
}) })
It("drops unparseable packets", func() { It("drops unparseable packets", func() {
handler.handlePacket(nil, nil, []byte{0, 1, 2, 3}) addr := &net.UDPAddr{IP: net.IPv4(9, 8, 7, 6), Port: 1234}
tracer.EXPECT().DroppedPacket(addr, logging.PacketTypeNotDetermined, protocol.ByteCount(4), logging.PacketDropHeaderParseError)
handler.handlePacket(addr, nil, []byte{0, 1, 2, 3})
}) })
It("deletes removed sessions immediately", func() { It("deletes removed sessions immediately", func() {