sing-box/common/dialer/default.go

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package dialer
import (
"context"
"net"
"time"
"github.com/sagernet/sing/common/control"
M "github.com/sagernet/sing/common/metadata"
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C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
"github.com/database64128/tfo-go"
)
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type DefaultDialer struct {
tfo.Dialer
net.ListenConfig
}
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func NewDefault(options option.DialerOptions) *DefaultDialer {
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())
}
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if options.ProtectPath != "" {
dialer.Control = control.Append(dialer.Control, ProtectPath(options.ProtectPath))
listener.Control = control.Append(listener.Control, ProtectPath(options.ProtectPath))
}
if options.ConnectTimeout != 0 {
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dialer.Timeout = time.Duration(options.ConnectTimeout)
}
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return &DefaultDialer{tfo.Dialer{Dialer: dialer, DisableTFO: !options.TCPFastOpen}, listener}
}
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func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
return d.Dialer.DialContext(ctx, network, address.String())
}
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func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return d.ListenConfig.ListenPacket(ctx, C.NetworkUDP, "")
}
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func (d *DefaultDialer) Upstream() any {
return &d.Dialer
}