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don't go ham on removing fmt useful data

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soypat
2026-09-04 06:27:05 -07:00
parent 88bd43bdd3
commit 3d15e0ff7b
6 changed files with 54 additions and 7 deletions
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ipv4/frame.go
+11 -2
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@@ -4,6 +4,7 @@ import (
"encoding/binary"
"github.com/soypat/lneto"
"github.com/soypat/lneto/internal"
)
// NewFrame returns a new [Frame] with data set to buf.
@@ -237,9 +238,17 @@ func (ifrm Frame) ValidateExceptCRC(v *lneto.Validator) {
func (ifrm Frame) String() string {
proto := ifrm.Protocol().String()
b := make([]byte, 0, 5+len(proto))
b := make([]byte, 0, 91+len(proto))
b = append(b, "IP ("...)
b = append(b, proto...)
b = append(b, ')')
b = append(b, ") src="...)
b = AppendFormatAddr(b, *ifrm.SourceAddr())
b = append(b, " dst="...)
b = AppendFormatAddr(b, *ifrm.DestinationAddr())
b = internal.AppendStrDecimal(b, " len=", int64(ifrm.TotalLength()))
b = internal.AppendStrDecimal(b, " opt=", int64(ifrm.HeaderLength()-20))
b = internal.AppendStrDecimal(b, " ttl=", int64(ifrm.TTL()))
b = internal.AppendStrDecimal(b, " id=", int64(ifrm.ID()))
b = internal.AppendStrHexData(b, " tos=0x", byte(ifrm.ToS()))
return string(b)
}