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prevent aggressive DCE in MWE w/ TinyGo and cull fmt package (#196)

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* cull fmt package use and prevent aggressive DCE in MWE example with TinyGo

* add noslog build tag and small reference section to README

* add memci

* fix ci

* whoops, forgot memci.json to gitignore

* whoops x2

* use noslog build tag

* don't go ham on removing fmt useful data

* remove old benchmarking CI
This commit is contained in:
Pat Whittingslow
2026-09-06 17:17:14 -03:00
committed by GitHub
parent d219daa2c4
commit d7f3924489
24 changed files with 306 additions and 220 deletions
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arp/frame.go
+19 -20
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@@ -2,12 +2,10 @@ package arp
import (
"encoding/binary"
"fmt"
"net"
"net/netip"
"github.com/soypat/lneto"
"github.com/soypat/lneto/ethernet"
"github.com/soypat/lneto/internal"
)
// NewFrame returns a Frame with data set to buf.
@@ -145,23 +143,24 @@ func (afrm Frame) ValidateSize(v *lneto.Validator) {
}
}
// String returns a basic human readable represetation of ARP frame.
func (afrm Frame) String() string {
opstr := afrm.Operation().String()
hwt, _ := afrm.Hardware()
ptt, _ := afrm.Protocol()
sndhw, sndpt := afrm.Sender()
tgthw, tgtpt := afrm.Target()
var sndstr, tgtstr string
if ptt == ethernet.TypeIPv4 || ptt == ethernet.TypeIPv6 {
sender, _ := netip.AddrFromSlice(sndpt)
target, _ := netip.AddrFromSlice(tgtpt)
sndstr = sender.String()
tgtstr = target.String()
} else {
sndstr = net.HardwareAddr(sndpt).String()
tgtstr = net.HardwareAddr(tgtpt).String()
}
return fmt.Sprintf("ARP %s HW=(%d,SENDER=%s,TARGET=%s) PROTO=(%s,SENDER=%s,TARGET=%s)",
opstr, hwt, net.HardwareAddr(sndhw).String(), net.HardwareAddr(tgthw).String(),
ptt.String(), sndstr, tgtstr)
rawbuf := make([]byte, 0, 128)
b := append(rawbuf[:0], "ARP "...)
b = append(b, opstr...)
htyp, hlen := afrm.Hardware()
b = internal.AppendStrDecimal(b, " htyp=", int64(htyp))
b = internal.AppendStrDecimal(b, " hlen=", int64(hlen))
ptyp, plen := afrm.Protocol()
b = internal.AppendStrDecimal(b, " plen=", int64(plen))
b = append(b, " proto="...)
b = append(b, ptyp.String()...)
hw, proto := afrm.Target()
b = internal.AppendStrHexData(b, " htgt=", hw...)
b = internal.AppendStrHexData(b, " ptgt=", proto...)
hw, proto = afrm.Sender()
b = internal.AppendStrHexData(b, " hsnd=", hw...)
b = internal.AppendStrHexData(b, " psnd=", proto...)
return string(b)
}