Remove unused

This commit is contained in:
世界 2026-05-17 20:04:34 +08:00
parent e620c55272
commit f853bfc5c5
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GPG key ID: CD109927C34A63C4
34 changed files with 0 additions and 6510 deletions

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@ -1,250 +0,0 @@
package conn
import (
"encoding/binary"
"net"
"testing"
"golang.org/x/net/ipv6"
)
func TestStdNetBindReceiveFuncAfterClose(t *testing.T) {
bind := NewStdNetBind().(*StdNetBind)
fns, _, err := bind.Open(0)
if err != nil {
t.Fatal(err)
}
bind.Close()
bufs := make([][]byte, 1)
bufs[0] = make([]byte, 1)
sizes := make([]int, 1)
eps := make([]Endpoint, 1)
for _, fn := range fns {
// The ReceiveFuncs must not access conn-related fields on StdNetBind
// unguarded. Close() nils the conn-related fields resulting in a panic
// if they violate the mutex.
fn(bufs, sizes, eps)
}
}
func mockSetGSOSize(control *[]byte, gsoSize uint16) {
*control = (*control)[:cap(*control)]
binary.LittleEndian.PutUint16(*control, gsoSize)
}
func Test_coalesceMessages(t *testing.T) {
cases := []struct {
name string
buffs [][]byte
wantLens []int
wantGSO []int
}{
{
name: "one message no coalesce",
buffs: [][]byte{
make([]byte, 1, 1),
},
wantLens: []int{1},
wantGSO: []int{0},
},
{
name: "two messages equal len coalesce",
buffs: [][]byte{
make([]byte, 1, 2),
make([]byte, 1, 1),
},
wantLens: []int{2},
wantGSO: []int{1},
},
{
name: "two messages unequal len coalesce",
buffs: [][]byte{
make([]byte, 2, 3),
make([]byte, 1, 1),
},
wantLens: []int{3},
wantGSO: []int{2},
},
{
name: "three messages second unequal len coalesce",
buffs: [][]byte{
make([]byte, 2, 3),
make([]byte, 1, 1),
make([]byte, 2, 2),
},
wantLens: []int{3, 2},
wantGSO: []int{2, 0},
},
{
name: "three messages limited cap coalesce",
buffs: [][]byte{
make([]byte, 2, 4),
make([]byte, 2, 2),
make([]byte, 2, 2),
},
wantLens: []int{4, 2},
wantGSO: []int{2, 0},
},
}
for _, tt := range cases {
t.Run(tt.name, func(t *testing.T) {
addr := &net.UDPAddr{
IP: net.ParseIP("127.0.0.1").To4(),
Port: 1,
}
msgs := make([]ipv6.Message, len(tt.buffs))
for i := range msgs {
msgs[i].Buffers = make([][]byte, 1)
msgs[i].OOB = make([]byte, 0, 2)
}
got := coalesceMessages(addr, &StdNetEndpoint{AddrPort: addr.AddrPort()}, tt.buffs, msgs, mockSetGSOSize)
if got != len(tt.wantLens) {
t.Fatalf("got len %d want: %d", got, len(tt.wantLens))
}
for i := 0; i < got; i++ {
if msgs[i].Addr != addr {
t.Errorf("msgs[%d].Addr != passed addr", i)
}
gotLen := len(msgs[i].Buffers[0])
if gotLen != tt.wantLens[i] {
t.Errorf("len(msgs[%d].Buffers[0]) %d != %d", i, gotLen, tt.wantLens[i])
}
gotGSO, err := mockGetGSOSize(msgs[i].OOB)
if err != nil {
t.Fatalf("msgs[%d] getGSOSize err: %v", i, err)
}
if gotGSO != tt.wantGSO[i] {
t.Errorf("msgs[%d] gsoSize %d != %d", i, gotGSO, tt.wantGSO[i])
}
}
})
}
}
func mockGetGSOSize(control []byte) (int, error) {
if len(control) < 2 {
return 0, nil
}
return int(binary.LittleEndian.Uint16(control)), nil
}
func Test_splitCoalescedMessages(t *testing.T) {
newMsg := func(n, gso int) ipv6.Message {
msg := ipv6.Message{
Buffers: [][]byte{make([]byte, 1<<16-1)},
N: n,
OOB: make([]byte, 2),
}
binary.LittleEndian.PutUint16(msg.OOB, uint16(gso))
if gso > 0 {
msg.NN = 2
}
return msg
}
cases := []struct {
name string
msgs []ipv6.Message
firstMsgAt int
wantNumEval int
wantMsgLens []int
wantErr bool
}{
{
name: "second last split last empty",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(3, 1),
newMsg(0, 0),
},
firstMsgAt: 2,
wantNumEval: 3,
wantMsgLens: []int{1, 1, 1, 0},
wantErr: false,
},
{
name: "second last no split last empty",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(1, 0),
newMsg(0, 0),
},
firstMsgAt: 2,
wantNumEval: 1,
wantMsgLens: []int{1, 0, 0, 0},
wantErr: false,
},
{
name: "second last no split last no split",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(1, 0),
newMsg(1, 0),
},
firstMsgAt: 2,
wantNumEval: 2,
wantMsgLens: []int{1, 1, 0, 0},
wantErr: false,
},
{
name: "second last no split last split",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(1, 0),
newMsg(3, 1),
},
firstMsgAt: 2,
wantNumEval: 4,
wantMsgLens: []int{1, 1, 1, 1},
wantErr: false,
},
{
name: "second last split last split",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(2, 1),
newMsg(2, 1),
},
firstMsgAt: 2,
wantNumEval: 4,
wantMsgLens: []int{1, 1, 1, 1},
wantErr: false,
},
{
name: "second last no split last split overflow",
msgs: []ipv6.Message{
newMsg(0, 0),
newMsg(0, 0),
newMsg(1, 0),
newMsg(4, 1),
},
firstMsgAt: 2,
wantNumEval: 4,
wantMsgLens: []int{1, 1, 1, 1},
wantErr: true,
},
}
for _, tt := range cases {
t.Run(tt.name, func(t *testing.T) {
got, err := splitCoalescedMessages(tt.msgs, 2, mockGetGSOSize)
if err != nil && !tt.wantErr {
t.Fatalf("err: %v", err)
}
if got != tt.wantNumEval {
t.Fatalf("got to eval: %d want: %d", got, tt.wantNumEval)
}
for i, msg := range tt.msgs {
if msg.N != tt.wantMsgLens[i] {
t.Fatalf("msg[%d].N: %d want: %d", i, msg.N, tt.wantMsgLens[i])
}
}
})
}
}

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@ -1,136 +0,0 @@
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2025 WireGuard LLC. All Rights Reserved.
*/
package bindtest
import (
"fmt"
"math/rand"
"net"
"net/netip"
"os"
"golang.zx2c4.com/wireguard/conn"
)
type ChannelBind struct {
rx4, tx4 *chan []byte
rx6, tx6 *chan []byte
closeSignal chan bool
source4, source6 ChannelEndpoint
target4, target6 ChannelEndpoint
}
type ChannelEndpoint uint16
var (
_ conn.Bind = (*ChannelBind)(nil)
_ conn.Endpoint = (*ChannelEndpoint)(nil)
)
func NewChannelBinds() [2]conn.Bind {
arx4 := make(chan []byte, 8192)
brx4 := make(chan []byte, 8192)
arx6 := make(chan []byte, 8192)
brx6 := make(chan []byte, 8192)
var binds [2]ChannelBind
binds[0].rx4 = &arx4
binds[0].tx4 = &brx4
binds[1].rx4 = &brx4
binds[1].tx4 = &arx4
binds[0].rx6 = &arx6
binds[0].tx6 = &brx6
binds[1].rx6 = &brx6
binds[1].tx6 = &arx6
binds[0].target4 = ChannelEndpoint(1)
binds[1].target4 = ChannelEndpoint(2)
binds[0].target6 = ChannelEndpoint(3)
binds[1].target6 = ChannelEndpoint(4)
binds[0].source4 = binds[1].target4
binds[0].source6 = binds[1].target6
binds[1].source4 = binds[0].target4
binds[1].source6 = binds[0].target6
return [2]conn.Bind{&binds[0], &binds[1]}
}
func (c ChannelEndpoint) ClearSrc() {}
func (c ChannelEndpoint) SrcToString() string { return "" }
func (c ChannelEndpoint) DstToString() string { return fmt.Sprintf("127.0.0.1:%d", c) }
func (c ChannelEndpoint) DstToBytes() []byte { return []byte{byte(c)} }
func (c ChannelEndpoint) DstIP() netip.Addr { return netip.AddrFrom4([4]byte{127, 0, 0, 1}) }
func (c ChannelEndpoint) SrcIP() netip.Addr { return netip.Addr{} }
func (c *ChannelBind) Open(port uint16) (fns []conn.ReceiveFunc, actualPort uint16, err error) {
c.closeSignal = make(chan bool)
fns = append(fns, c.makeReceiveFunc(*c.rx4))
fns = append(fns, c.makeReceiveFunc(*c.rx6))
if rand.Uint32()&1 == 0 {
return fns, uint16(c.source4), nil
} else {
return fns, uint16(c.source6), nil
}
}
func (c *ChannelBind) Close() error {
if c.closeSignal != nil {
select {
case <-c.closeSignal:
default:
close(c.closeSignal)
}
}
return nil
}
func (c *ChannelBind) BatchSize() int { return 1 }
func (c *ChannelBind) SetMark(mark uint32) error { return nil }
func (c *ChannelBind) makeReceiveFunc(ch chan []byte) conn.ReceiveFunc {
return func(bufs [][]byte, sizes []int, eps []conn.Endpoint) (n int, err error) {
select {
case <-c.closeSignal:
return 0, net.ErrClosed
case rx := <-ch:
copied := copy(bufs[0], rx)
sizes[0] = copied
eps[0] = c.target6
return 1, nil
}
}
}
func (c *ChannelBind) Send(bufs [][]byte, ep conn.Endpoint) error {
for _, b := range bufs {
select {
case <-c.closeSignal:
return net.ErrClosed
default:
bc := make([]byte, len(b))
copy(bc, b)
if ep.(ChannelEndpoint) == c.target4 {
*c.tx4 <- bc
} else if ep.(ChannelEndpoint) == c.target6 {
*c.tx6 <- bc
} else {
return os.ErrInvalid
}
}
}
return nil
}
func (c *ChannelBind) ParseEndpoint(s string) (conn.Endpoint, error) {
addr, err := netip.ParseAddrPort(s)
if err != nil {
return nil, err
}
return ChannelEndpoint(addr.Port()), nil
}

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@ -1,24 +0,0 @@
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2025 WireGuard LLC. All Rights Reserved.
*/
package conn
import (
"testing"
)
func TestPrettyName(t *testing.T) {
var (
recvFunc ReceiveFunc = func(bufs [][]byte, sizes []int, eps []Endpoint) (n int, err error) { return }
)
const want = "TestPrettyName"
t.Run("ReceiveFunc.PrettyName", func(t *testing.T) {
if got := recvFunc.PrettyName(); got != want {
t.Errorf("PrettyName() = %v, want %v", got, want)
}
})
}

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@ -1,266 +0,0 @@
//go:build linux && !android
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2025 WireGuard LLC. All Rights Reserved.
*/
package conn
import (
"context"
"net"
"net/netip"
"runtime"
"testing"
"unsafe"
"golang.org/x/sys/unix"
)
func setSrc(ep *StdNetEndpoint, addr netip.Addr, ifidx int32) {
var buf []byte
if addr.Is4() {
buf = make([]byte, unix.CmsgSpace(unix.SizeofInet4Pktinfo))
hdr := unix.Cmsghdr{
Level: unix.IPPROTO_IP,
Type: unix.IP_PKTINFO,
}
hdr.SetLen(unix.CmsgLen(unix.SizeofInet4Pktinfo))
copy(buf, unsafe.Slice((*byte)(unsafe.Pointer(&hdr)), int(unsafe.Sizeof(hdr))))
info := unix.Inet4Pktinfo{
Ifindex: ifidx,
Spec_dst: addr.As4(),
}
copy(buf[unix.CmsgLen(0):], unsafe.Slice((*byte)(unsafe.Pointer(&info)), unix.SizeofInet4Pktinfo))
} else {
buf = make([]byte, unix.CmsgSpace(unix.SizeofInet6Pktinfo))
hdr := unix.Cmsghdr{
Level: unix.IPPROTO_IPV6,
Type: unix.IPV6_PKTINFO,
}
hdr.SetLen(unix.CmsgLen(unix.SizeofInet6Pktinfo))
copy(buf, unsafe.Slice((*byte)(unsafe.Pointer(&hdr)), int(unsafe.Sizeof(hdr))))
info := unix.Inet6Pktinfo{
Ifindex: uint32(ifidx),
Addr: addr.As16(),
}
copy(buf[unix.CmsgLen(0):], unsafe.Slice((*byte)(unsafe.Pointer(&info)), unix.SizeofInet6Pktinfo))
}
ep.src = buf
}
func Test_setSrcControl(t *testing.T) {
t.Run("IPv4", func(t *testing.T) {
ep := &StdNetEndpoint{
AddrPort: netip.MustParseAddrPort("127.0.0.1:1234"),
}
setSrc(ep, netip.MustParseAddr("127.0.0.1"), 5)
control := make([]byte, stickyControlSize)
setSrcControl(&control, ep)
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
if hdr.Level != unix.IPPROTO_IP {
t.Errorf("unexpected level: %d", hdr.Level)
}
if hdr.Type != unix.IP_PKTINFO {
t.Errorf("unexpected type: %d", hdr.Type)
}
if uint(hdr.Len) != uint(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet4Pktinfo{})))) {
t.Errorf("unexpected length: %d", hdr.Len)
}
info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)]))
if info.Spec_dst[0] != 127 || info.Spec_dst[1] != 0 || info.Spec_dst[2] != 0 || info.Spec_dst[3] != 1 {
t.Errorf("unexpected address: %v", info.Spec_dst)
}
if info.Ifindex != 5 {
t.Errorf("unexpected ifindex: %d", info.Ifindex)
}
})
t.Run("IPv6", func(t *testing.T) {
ep := &StdNetEndpoint{
AddrPort: netip.MustParseAddrPort("[::1]:1234"),
}
setSrc(ep, netip.MustParseAddr("::1"), 5)
control := make([]byte, stickyControlSize)
setSrcControl(&control, ep)
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
if hdr.Level != unix.IPPROTO_IPV6 {
t.Errorf("unexpected level: %d", hdr.Level)
}
if hdr.Type != unix.IPV6_PKTINFO {
t.Errorf("unexpected type: %d", hdr.Type)
}
if uint(hdr.Len) != uint(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet6Pktinfo{})))) {
t.Errorf("unexpected length: %d", hdr.Len)
}
info := (*unix.Inet6Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)]))
if info.Addr != ep.SrcIP().As16() {
t.Errorf("unexpected address: %v", info.Addr)
}
if info.Ifindex != 5 {
t.Errorf("unexpected ifindex: %d", info.Ifindex)
}
})
t.Run("ClearOnNoSrc", func(t *testing.T) {
control := make([]byte, stickyControlSize)
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
hdr.Level = 1
hdr.Type = 2
hdr.Len = 3
setSrcControl(&control, &StdNetEndpoint{})
if len(control) != 0 {
t.Errorf("unexpected control: %v", control)
}
})
}
func Test_getSrcFromControl(t *testing.T) {
t.Run("IPv4", func(t *testing.T) {
control := make([]byte, stickyControlSize)
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
hdr.Level = unix.IPPROTO_IP
hdr.Type = unix.IP_PKTINFO
hdr.SetLen(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet4Pktinfo{}))))
info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)]))
info.Spec_dst = [4]byte{127, 0, 0, 1}
info.Ifindex = 5
ep := &StdNetEndpoint{}
getSrcFromControl(control, ep)
if ep.SrcIP() != netip.MustParseAddr("127.0.0.1") {
t.Errorf("unexpected address: %v", ep.SrcIP())
}
if ep.SrcIfidx() != 5 {
t.Errorf("unexpected ifindex: %d", ep.SrcIfidx())
}
})
t.Run("IPv6", func(t *testing.T) {
control := make([]byte, stickyControlSize)
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
hdr.Level = unix.IPPROTO_IPV6
hdr.Type = unix.IPV6_PKTINFO
hdr.SetLen(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet6Pktinfo{}))))
info := (*unix.Inet6Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)]))
info.Addr = [16]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}
info.Ifindex = 5
ep := &StdNetEndpoint{}
getSrcFromControl(control, ep)
if ep.SrcIP() != netip.MustParseAddr("::1") {
t.Errorf("unexpected address: %v", ep.SrcIP())
}
if ep.SrcIfidx() != 5 {
t.Errorf("unexpected ifindex: %d", ep.SrcIfidx())
}
})
t.Run("ClearOnEmpty", func(t *testing.T) {
var control []byte
ep := &StdNetEndpoint{}
setSrc(ep, netip.MustParseAddr("::1"), 5)
getSrcFromControl(control, ep)
if ep.SrcIP().IsValid() {
t.Errorf("unexpected address: %v", ep.SrcIP())
}
if ep.SrcIfidx() != 0 {
t.Errorf("unexpected ifindex: %d", ep.SrcIfidx())
}
})
t.Run("Multiple", func(t *testing.T) {
zeroControl := make([]byte, unix.CmsgSpace(0))
zeroHdr := (*unix.Cmsghdr)(unsafe.Pointer(&zeroControl[0]))
zeroHdr.SetLen(unix.CmsgLen(0))
control := make([]byte, unix.CmsgSpace(unix.SizeofInet4Pktinfo))
hdr := (*unix.Cmsghdr)(unsafe.Pointer(&control[0]))
hdr.Level = unix.IPPROTO_IP
hdr.Type = unix.IP_PKTINFO
hdr.SetLen(unix.CmsgLen(int(unsafe.Sizeof(unix.Inet4Pktinfo{}))))
info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&control[unix.CmsgLen(0)]))
info.Spec_dst = [4]byte{127, 0, 0, 1}
info.Ifindex = 5
combined := make([]byte, 0)
combined = append(combined, zeroControl...)
combined = append(combined, control...)
ep := &StdNetEndpoint{}
getSrcFromControl(combined, ep)
if ep.SrcIP() != netip.MustParseAddr("127.0.0.1") {
t.Errorf("unexpected address: %v", ep.SrcIP())
}
if ep.SrcIfidx() != 5 {
t.Errorf("unexpected ifindex: %d", ep.SrcIfidx())
}
})
}
func Test_listenConfig(t *testing.T) {
t.Run("IPv4", func(t *testing.T) {
conn, err := listenConfig().ListenPacket(context.Background(), "udp4", ":0")
if err != nil {
t.Fatal(err)
}
defer conn.Close()
sc, err := conn.(*net.UDPConn).SyscallConn()
if err != nil {
t.Fatal(err)
}
if runtime.GOOS == "linux" {
var i int
sc.Control(func(fd uintptr) {
i, err = unix.GetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_PKTINFO)
})
if err != nil {
t.Fatal(err)
}
if i != 1 {
t.Error("IP_PKTINFO not set!")
}
} else {
t.Logf("listenConfig() does not set IPV6_RECVPKTINFO on %s", runtime.GOOS)
}
})
t.Run("IPv6", func(t *testing.T) {
conn, err := listenConfig().ListenPacket(context.Background(), "udp6", ":0")
if err != nil {
t.Fatal(err)
}
sc, err := conn.(*net.UDPConn).SyscallConn()
if err != nil {
t.Fatal(err)
}
if runtime.GOOS == "linux" {
var i int
sc.Control(func(fd uintptr) {
i, err = unix.GetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_RECVPKTINFO)
})
if err != nil {
t.Fatal(err)
}
if i != 1 {
t.Error("IPV6_PKTINFO not set!")
}
} else {
t.Logf("listenConfig() does not set IPV6_RECVPKTINFO on %s", runtime.GOOS)
}
})
}