sing-box/common/dialer/dialer.go
2022-07-01 16:58:18 +08:00

47 lines
1.5 KiB
Go

package dialer
import (
"context"
"net"
"time"
"github.com/database64128/tfo-go"
"github.com/sagernet/sing-box/config"
"github.com/sagernet/sing/common/control"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type defaultDialer struct {
tfo.Dialer
net.ListenConfig
}
func (d *defaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
return d.Dialer.DialContext(ctx, network, address.String())
}
func (d *defaultDialer) ListenPacket(ctx context.Context) (net.PacketConn, error) {
return d.ListenConfig.ListenPacket(ctx, "udp", "")
}
func newDialer(options config.DialerOptions) N.Dialer {
var dialer net.Dialer
var listener net.ListenConfig
if options.BindInterface != "" {
dialer.Control = control.Append(dialer.Control, control.BindToInterface(options.BindInterface))
listener.Control = control.Append(listener.Control, control.BindToInterface(options.BindInterface))
}
if options.RoutingMark != 0 {
dialer.Control = control.Append(dialer.Control, control.RoutingMark(options.RoutingMark))
listener.Control = control.Append(listener.Control, control.RoutingMark(options.RoutingMark))
}
if options.ReuseAddr {
listener.Control = control.Append(listener.Control, control.ReuseAddr())
}
if options.ConnectTimeout != 0 {
dialer.Timeout = time.Duration(options.ConnectTimeout) * time.Second
}
return &defaultDialer{tfo.Dialer{Dialer: dialer, DisableTFO: !options.TCPFastOpen}, listener}
}