mirrors/uquic
1
0
Fork 0
mirror of https://github.com/refraction-networking/uquic.git synced 2025-04-05 21:27:35 +03:00
Code Issues Projects Releases Packages Wiki Activity

qlog dropped packets

Browse source
This commit is contained in:
Marten Seemann 2020-03-08 14:41:04 +07:00
parent 05ec6d2ea8
commit eabab8b99b
6 changed files with 114 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

12
session.go
View file

@ -703,6 +703,9 @@ func (s *session) handlePacketImpl(rp *receivedPacket) bool {
hdr, packetData, rest, err := wire.ParsePacket(p.data, s.srcConnIDLen)
if err != nil {
if s.qlogger != nil {
s.qlogger.DroppedPacket(p.rcvTime, qlog.PacketTypeNotDetermined, protocol.ByteCount(len(data)), qlog.PacketDropHeaderParseError)
}
s.logger.Debugf("error parsing packet: %s", err)
break
}
@ -761,6 +764,9 @@ func (s *session) handleSinglePacket(p *receivedPacket, hdr *wire.Header) bool /
if err != nil {
switch err {
case handshake.ErrKeysDropped:
if s.qlogger != nil {
s.qlogger.DroppedPacket(p.rcvTime, qlog.PacketTypeFromHeader(hdr), protocol.ByteCount(len(p.data)), qlog.PacketDropKeyUnavailable)
}
s.logger.Debugf("Dropping %s packet (%d bytes) because we already dropped the keys.", hdr.PacketType(), len(p.data))
case handshake.ErrKeysNotYetAvailable:
// Sealer for this encryption level not yet available.
@ -772,6 +778,9 @@ func (s *session) handleSinglePacket(p *receivedPacket, hdr *wire.Header) bool /
default:
// This might be a packet injected by an attacker.
// Drop it.
if s.qlogger != nil {
s.qlogger.DroppedPacket(p.rcvTime, qlog.PacketTypeFromHeader(hdr), protocol.ByteCount(len(p.data)), qlog.PacketDropPayloadDecryptError)
}
s.logger.Debugf("Dropping %s packet (%d bytes) that could not be unpacked. Error: %s", hdr.PacketType(), len(p.data), err)
}
return false
@ -1500,6 +1509,9 @@ func (s *session) scheduleSending() {
func (s *session) tryQueueingUndecryptablePacket(p *receivedPacket, hdr *wire.Header) {
if len(s.undecryptablePackets)+1 > protocol.MaxUndecryptablePackets {
if s.qlogger != nil {
s.qlogger.DroppedPacket(p.rcvTime, qlog.PacketTypeFromHeader(hdr), protocol.ByteCount(len(p.data)), qlog.PacketDropDOSPrevention)
}
s.logger.Infof("Dropping undecryptable packet (%d bytes). Undecryptable packet queue full.", len(p.data))
return
}