chore: share N.dialer code

This commit is contained in:
wwqgtxx 2023-09-25 09:10:43 +08:00
parent 67d7e53f7a
commit c0ba798708
4 changed files with 94 additions and 96 deletions

View file

@ -19,7 +19,6 @@ import (
"github.com/metacubex/sing-quic/hysteria2"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func init() {
@ -31,7 +30,7 @@ type Hysteria2 struct {
option *Hysteria2Option
client *hysteria2.Client
dialer *hy2SingDialer
dialer proxydialer.SingDialer
}
type Hysteria2Option struct {
@ -53,40 +52,9 @@ type Hysteria2Option struct {
CWND int `proxy:"cwnd,omitempty"`
}
type hy2SingDialer struct {
dialer dialer.Dialer
proxyName string
}
var _ N.Dialer = (*hy2SingDialer)(nil)
func (d *hy2SingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.DialContext(ctx, network, destination.String())
}
func (d *hy2SingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
}
func (h *Hysteria2) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
options := h.Base.DialOptions(opts...)
h.dialer.dialer = dialer.NewDialer(options...)
h.dialer.SetDialer(dialer.NewDialer(options...))
c, err := h.client.DialConn(ctx, M.ParseSocksaddr(metadata.RemoteAddress()))
if err != nil {
return nil, err
@ -96,7 +64,7 @@ func (h *Hysteria2) DialContext(ctx context.Context, metadata *C.Metadata, opts
func (h *Hysteria2) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
options := h.Base.DialOptions(opts...)
h.dialer.dialer = dialer.NewDialer(options...)
h.dialer.SetDialer(dialer.NewDialer(options...))
pc, err := h.client.ListenPacket(ctx)
if err != nil {
return nil, err
@ -149,7 +117,7 @@ func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
tlsConfig.NextProtos = option.ALPN
}
singDialer := &hy2SingDialer{dialer: dialer.NewDialer(), proxyName: option.DialerProxy}
singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer())
clientOptions := hysteria2.ClientOptions{
Context: context.TODO(),

View file

@ -3,7 +3,6 @@ package outbound
import (
"context"
"errors"
"net"
"runtime"
CN "github.com/Dreamacro/clash/common/net"
@ -15,14 +14,13 @@ import (
mux "github.com/sagernet/sing-mux"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type SingMux struct {
C.ProxyAdapter
base ProxyBase
client *mux.Client
dialer *muxSingDialer
dialer proxydialer.SingDialer
onlyTcp bool
}
@ -41,27 +39,9 @@ type ProxyBase interface {
DialOptions(opts ...dialer.Option) []dialer.Option
}
type muxSingDialer struct {
dialer dialer.Dialer
proxy C.ProxyAdapter
statistic bool
}
var _ N.Dialer = (*muxSingDialer)(nil)
func (d *muxSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
var cDialer C.Dialer = proxydialer.New(d.proxy, d.dialer, d.statistic)
return cDialer.DialContext(ctx, network, destination.String())
}
func (d *muxSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
var cDialer C.Dialer = proxydialer.New(d.proxy, d.dialer, d.statistic)
return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
}
func (s *SingMux) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
options := s.base.DialOptions(opts...)
s.dialer.dialer = dialer.NewDialer(options...)
s.dialer.SetDialer(dialer.NewDialer(options...))
c, err := s.client.DialContext(ctx, "tcp", M.ParseSocksaddr(metadata.RemoteAddress()))
if err != nil {
return nil, err
@ -74,7 +54,7 @@ func (s *SingMux) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
return s.ProxyAdapter.ListenPacketContext(ctx, metadata, opts...)
}
options := s.base.DialOptions(opts...)
s.dialer.dialer = dialer.NewDialer(options...)
s.dialer.SetDialer(dialer.NewDialer(options...))
// sing-mux use stream-oriented udp with a special address, so we need a net.UDPAddr
if !metadata.Resolved() {
@ -114,7 +94,7 @@ func closeSingMux(s *SingMux) {
}
func NewSingMux(option SingMuxOption, proxy C.ProxyAdapter, base ProxyBase) (C.ProxyAdapter, error) {
singDialer := &muxSingDialer{dialer: dialer.NewDialer(), proxy: proxy, statistic: option.Statistic}
singDialer := proxydialer.NewSingDialer(proxy, dialer.NewDialer(), option.Statistic)
client, err := mux.NewClient(mux.Options{
Dialer: singDialer,
Protocol: option.Protocol,

View file

@ -27,7 +27,6 @@ import (
"github.com/sagernet/sing/common/debug"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/wireguard-go/device"
)
@ -36,7 +35,7 @@ type WireGuard struct {
bind *wireguard.ClientBind
device *device.Device
tunDevice wireguard.Device
dialer *wgSingDialer
dialer proxydialer.SingDialer
startOnce sync.Once
startErr error
resolver *dns.Resolver
@ -70,37 +69,6 @@ type WireGuardPeerOption struct {
AllowedIPs []string `proxy:"allowed-ips,omitempty"`
}
type wgSingDialer struct {
dialer dialer.Dialer
proxyName string
}
var _ N.Dialer = (*wgSingDialer)(nil)
func (d *wgSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.DialContext(ctx, network, destination.String())
}
func (d *wgSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
}
type wgSingErrorHandler struct {
name string
}
@ -168,7 +136,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
rmark: option.RoutingMark,
prefer: C.NewDNSPrefer(option.IPVersion),
},
dialer: &wgSingDialer{dialer: dialer.NewDialer(), proxyName: option.DialerProxy},
dialer: proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer()),
}
runtime.SetFinalizer(outbound, closeWireGuard)
@ -355,7 +323,7 @@ func closeWireGuard(w *WireGuard) {
func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
options := w.Base.DialOptions(opts...)
w.dialer.dialer = dialer.NewDialer(options...)
w.dialer.SetDialer(dialer.NewDialer(options...))
var conn net.Conn
w.startOnce.Do(func() {
w.startErr = w.tunDevice.Start()
@ -387,7 +355,7 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
options := w.Base.DialOptions(opts...)
w.dialer.dialer = dialer.NewDialer(options...)
w.dialer.SetDialer(dialer.NewDialer(options...))
var pc net.PacketConn
w.startOnce.Do(func() {
w.startErr = w.tunDevice.Start()

View file

@ -0,0 +1,82 @@
package proxydialer
import (
"context"
"net"
C "github.com/Dreamacro/clash/constant"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type SingDialer interface {
N.Dialer
SetDialer(dialer C.Dialer)
}
type singDialer proxyDialer
var _ N.Dialer = (*singDialer)(nil)
func (d *singDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
return (*proxyDialer)(d).DialContext(ctx, network, destination.String())
}
func (d *singDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return (*proxyDialer)(d).ListenPacket(ctx, "udp", "", destination.AddrPort())
}
func (d *singDialer) SetDialer(dialer C.Dialer) {
(*proxyDialer)(d).dialer = dialer
}
func NewSingDialer(proxy C.ProxyAdapter, dialer C.Dialer, statistic bool) SingDialer {
return (*singDialer)(&proxyDialer{
proxy: proxy,
dialer: dialer,
statistic: statistic,
})
}
type byNameSingDialer struct {
dialer C.Dialer
proxyName string
}
var _ N.Dialer = (*byNameSingDialer)(nil)
func (d *byNameSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.DialContext(ctx, network, destination.String())
}
func (d *byNameSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
var cDialer C.Dialer = d.dialer
if len(d.proxyName) > 0 {
pd, err := NewByName(d.proxyName, d.dialer)
if err != nil {
return nil, err
}
cDialer = pd
}
return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
}
func (d *byNameSingDialer) SetDialer(dialer C.Dialer) {
d.dialer = dialer
}
func NewByNameSingDialer(proxyName string, dialer C.Dialer) SingDialer {
return &byNameSingDialer{
dialer: dialer,
proxyName: proxyName,
}
}