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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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tcp/definitions.go
+13 -4
View File
@@ -2,12 +2,12 @@ package tcp
import (
"errors"
"fmt"
"math/bits"
"strconv"
"unsafe"
"github.com/soypat/lneto"
"github.com/soypat/lneto/internal"
)
//go:generate stringer -type=State,OptionKind -linecomment -output stringers.go .
@@ -73,10 +73,19 @@ func (seg Segment) isFirstSYN() bool {
}
func (seg Segment) String() string {
if seg.DATALEN == 0 {
return fmt.Sprintf("SEG %s ACK=%d SEQ=%d WND=%d", seg.Flags, seg.ACK, seg.SEQ, seg.WND)
return string(seg.AppendString(nil))
}
func (seg Segment) AppendString(b []byte) []byte {
b = append(b, "SEG "...)
b = append(b, seg.Flags.String()...)
b = internal.AppendStrDecimal(b, " ACK=", int64(seg.ACK))
b = internal.AppendStrDecimal(b, " SEQ=", int64(seg.SEQ))
b = internal.AppendStrDecimal(b, " WND=", int64(seg.WND))
if seg.DATALEN > 0 {
b = internal.AppendStrDecimal(b, " DATALEN=", int64(seg.DATALEN))
}
return fmt.Sprintf("SEG %s ACK=%d SEQ=%d WND=%d DATALEN=%d", seg.Flags, seg.ACK, seg.SEQ, seg.WND, seg.DATALEN)
return b
}
// ClientSynSegment is a the first packet sent over a TCP connection to a server. Typically the client
tcp/frame.go
+7 -2
View File
@@ -2,10 +2,10 @@ package tcp
import (
"encoding/binary"
"fmt"
"math"
"github.com/soypat/lneto"
"github.com/soypat/lneto/internal"
)
const (
@@ -170,7 +170,12 @@ func (tfrm Frame) String() string {
src := tfrm.SourcePort()
dst := tfrm.DestinationPort()
seg := tfrm.Segment(len(tfrm.Payload()))
return fmt.Sprintf("TCP :%d -> :%d %s", src, dst, seg.String())
b := make([]byte, 0, 64)
b = append(b, "TCP "...)
b = internal.AppendStrDecimal(b, " src=", int64(src))
b = internal.AppendStrDecimal(b, " dst=", int64(dst))
b = append(b, ' ')
return string(seg.AppendString(b))
}
//