sing-box/service.go

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package box
import (
"context"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/inbound"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-box/outbound"
"github.com/sagernet/sing-box/route"
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"github.com/sagernet/sing/common"
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E "github.com/sagernet/sing/common/exceptions"
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)
var _ adapter.Service = (*Service)(nil)
type Service struct {
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router adapter.Router
logger log.Logger
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inbounds []adapter.Inbound
outbounds []adapter.Outbound
}
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func NewService(ctx context.Context, options option.Options) (*Service, error) {
logger, err := log.NewLogger(common.PtrValueOrDefault(options.Log))
if err != nil {
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return nil, E.Cause(err, "parse log options")
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}
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router, err := route.NewRouter(ctx, logger, common.PtrValueOrDefault(options.Route))
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if err != nil {
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return nil, E.Cause(err, "parse route options")
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}
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inbounds := make([]adapter.Inbound, 0, len(options.Inbounds))
outbounds := make([]adapter.Outbound, 0, len(options.Outbounds))
for i, inboundOptions := range options.Inbounds {
var in adapter.Inbound
in, err = inbound.New(ctx, router, logger, i, inboundOptions)
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if err != nil {
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return nil, E.Cause(err, "parse inbound[", i, "]")
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}
inbounds = append(inbounds, in)
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}
for i, outboundOptions := range options.Outbounds {
var out adapter.Outbound
out, err = outbound.New(router, logger, i, outboundOptions)
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if err != nil {
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return nil, E.Cause(err, "parse outbound[", i, "]")
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}
outbounds = append(outbounds, out)
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}
err = router.Initialize(outbounds, func() adapter.Outbound {
out, oErr := outbound.New(router, logger, 0, option.Outbound{Type: "direct", Tag: "default"})
common.Must(oErr)
outbounds = append(outbounds, out)
return out
})
if err != nil {
return nil, err
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}
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return &Service{
router: router,
logger: logger,
inbounds: inbounds,
outbounds: outbounds,
}, nil
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}
func (s *Service) Start() error {
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err := s.logger.Start()
if err != nil {
return err
}
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for _, in := range s.inbounds {
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err = in.Start()
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if err != nil {
return err
}
}
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return common.AnyError(
s.router.Start(),
)
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}
func (s *Service) Close() error {
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for _, in := range s.inbounds {
in.Close()
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}
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for _, out := range s.outbounds {
common.Close(out)
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}
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return common.Close(
s.router,
s.logger,
)
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}