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add FieldClassOperation to pcap and associated formatting changes

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soypat
2025-12-31 18:54:21 -03:00
parent dc374169dc
commit 3cbef6fa92
6 changed files with 17 additions and 21 deletions
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examples/xnet/main.go
+6 -7
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@@ -115,7 +115,7 @@ func run() (err error) {
var cap pcap.PacketBreakdown
var frames []pcap.Frame
pf := pcap.Formatter{
FilterClasses: []pcap.FieldClass{pcap.FieldClassFlags, pcap.FieldClassDst, pcap.FieldClassSrc, pcap.FieldClassAddress},
FilterClasses: []pcap.FieldClass{pcap.FieldClassFlags, pcap.FieldClassOperation, pcap.FieldClassDst, pcap.FieldClassSrc, pcap.FieldClassAddress},
}
var pfbuf []byte
logFrames := func(context string, pkt []byte) error {
@@ -163,12 +163,11 @@ func run() (err error) {
log.Fatal("groutine read:", err)
} else if nread > 0 {
err = stack.Demux(buf[:nread], 0)
if err != nil {
if !errors.Is(err, lneto.ErrPacketDrop) {
err = logFrames("IN", buf[:nread])
if err != nil {
log.Println("ERR:INLOG", err)
}
if !errors.Is(err, lneto.ErrPacketDrop) {
// Only skip logging packet in case of dropped packet.
err = logFrames("IN", buf[:nread])
if err != nil {
log.Println("ERR:INLOG", err)
}
}
}