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use fixed buffer size

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This commit is contained in:
ginuerzh
2025-02-18 17:38:27 +08:00
parent d610e2dc01
commit e0915affda
14 changed files with 67 additions and 126 deletions
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handler/tun/client.go
+5 -9
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@@ -103,12 +103,10 @@ func (h *tunHandler) transportClient(ctx context.Context, tun io.ReadWriter, con
errc := make(chan error, 2)
go func() {
var b [MaxMessageSize]byte
for {
err := func() error {
b := bufpool.Get(h.md.bufferSize)
defer bufpool.Put(b)
n, err := tun.Read(b)
n, err := tun.Read(b[:])
if err != nil {
return fmt.Errorf("%w: read: %s", ErrTun, err.Error())
}
@@ -155,12 +153,10 @@ func (h *tunHandler) transportClient(ctx context.Context, tun io.ReadWriter, con
}()
go func() {
var b [MaxMessageSize]byte
for {
err := func() error {
b := bufpool.Get(h.md.bufferSize)
defer bufpool.Put(b)
n, err := conn.Read(b)
n, err := conn.Read(b[:])
if err != nil {
return err
}
@@ -175,7 +171,7 @@ func (h *tunHandler) transportClient(ctx context.Context, tun io.ReadWriter, con
return nil
}
if waterutil.IsIPv4(b) {
if waterutil.IsIPv4(b[:n]) {
header, err := ipv4.ParseHeader(b[:n])
if err != nil {
log.Warn(err)