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trace packets that are sent outside of a connection

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This commit is contained in:
Marten Seemann 2020-07-16 08:20:36 +07:00
parent f10894a1ce
commit 0c551c893c
9 changed files with 99 additions and 0 deletions
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18
server.go
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@ -553,6 +553,9 @@ func (s *baseServer) sendRetry(remoteAddr net.Addr, hdr *wire.Header) error {
// append the Retry integrity tag
tag := handshake.GetRetryIntegrityTag(buf.Bytes(), hdr.DestConnectionID)
buf.Write(tag[:])
if s.config.Tracer != nil {
s.config.Tracer.SentPacket(remoteAddr, &replyHdr.Header, protocol.ByteCount(buf.Len()), nil)
}
_, err = s.conn.WriteTo(buf.Bytes(), remoteAddr)
return err
}
@ -627,6 +630,9 @@ func (s *baseServer) sendError(remoteAddr net.Addr, hdr *wire.Header, sealer han
replyHdr.Log(s.logger)
wire.LogFrame(s.logger, ccf, true)
if s.config.Tracer != nil {
s.config.Tracer.SentPacket(remoteAddr, &replyHdr.Header, protocol.ByteCount(len(raw)), []logging.Frame{ccf})
}
_, err := s.conn.WriteTo(raw, remoteAddr)
return err
}
@ -638,6 +644,18 @@ func (s *baseServer) sendVersionNegotiationPacket(p *receivedPacket, hdr *wire.H
s.logger.Debugf("Error composing Version Negotiation: %s", err)
return
}
if s.config.Tracer != nil {
s.config.Tracer.SentPacket(
p.remoteAddr,
&wire.Header{
IsLongHeader: true,
DestConnectionID: hdr.SrcConnectionID,
SrcConnectionID: hdr.DestConnectionID,
},
protocol.ByteCount(len(data)),
nil,
)
}
if _, err := s.conn.WriteTo(data, p.remoteAddr); err != nil {
s.logger.Debugf("Error sending Version Negotiation: %s", err)
}