mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-12 16:18:50 +00:00
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
package dialer
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"net/netip"
|
|
"time"
|
|
|
|
"github.com/sagernet/sing-box/adapter"
|
|
C "github.com/sagernet/sing-box/constant"
|
|
"github.com/sagernet/sing-box/option"
|
|
"github.com/sagernet/sing-dns"
|
|
E "github.com/sagernet/sing/common/exceptions"
|
|
M "github.com/sagernet/sing/common/metadata"
|
|
N "github.com/sagernet/sing/common/network"
|
|
"github.com/sagernet/sing/service"
|
|
)
|
|
|
|
func New(ctx context.Context, options option.DialerOptions) (N.Dialer, error) {
|
|
networkManager := service.FromContext[adapter.NetworkManager](ctx)
|
|
if options.IsWireGuardListener {
|
|
return NewDefault(networkManager, options)
|
|
}
|
|
var (
|
|
dialer N.Dialer
|
|
err error
|
|
)
|
|
if options.Detour == "" {
|
|
dialer, err = NewDefault(networkManager, options)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
outboundManager := service.FromContext[adapter.OutboundManager](ctx)
|
|
if outboundManager == nil {
|
|
return nil, E.New("missing outbound manager")
|
|
}
|
|
dialer = NewDetour(outboundManager, options.Detour)
|
|
}
|
|
if networkManager == nil {
|
|
return NewDefault(networkManager, options)
|
|
}
|
|
if options.Detour == "" {
|
|
router := service.FromContext[adapter.Router](ctx)
|
|
if router != nil {
|
|
dialer = NewResolveDialer(
|
|
router,
|
|
dialer,
|
|
options.Detour == "" && !options.TCPFastOpen,
|
|
dns.DomainStrategy(options.DomainStrategy),
|
|
time.Duration(options.FallbackDelay))
|
|
}
|
|
}
|
|
return dialer, nil
|
|
}
|
|
|
|
func NewDirect(ctx context.Context, options option.DialerOptions) (ParallelInterfaceDialer, error) {
|
|
if options.Detour != "" {
|
|
return nil, E.New("`detour` is not supported in direct context")
|
|
}
|
|
networkManager := service.FromContext[adapter.NetworkManager](ctx)
|
|
if options.IsWireGuardListener {
|
|
return NewDefault(networkManager, options)
|
|
}
|
|
dialer, err := NewDefault(networkManager, options)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return NewResolveParallelInterfaceDialer(
|
|
service.FromContext[adapter.Router](ctx),
|
|
dialer,
|
|
true,
|
|
dns.DomainStrategy(options.DomainStrategy),
|
|
time.Duration(options.FallbackDelay),
|
|
), nil
|
|
}
|
|
|
|
type ParallelInterfaceDialer interface {
|
|
N.Dialer
|
|
DialParallelInterface(ctx context.Context, network string, destination M.Socksaddr, strategy C.NetworkStrategy, fallbackDelay time.Duration) (net.Conn, error)
|
|
ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy C.NetworkStrategy, fallbackDelay time.Duration) (net.PacketConn, error)
|
|
}
|
|
|
|
type ParallelNetworkDialer interface {
|
|
DialParallelNetwork(ctx context.Context, network string, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy C.NetworkStrategy, fallbackDelay time.Duration) (net.Conn, error)
|
|
ListenSerialNetworkPacket(ctx context.Context, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy C.NetworkStrategy, fallbackDelay time.Duration) (net.PacketConn, netip.Addr, error)
|
|
}
|