sing-box/common/dialer/dialer.go

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package dialer
import (
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"time"
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"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/option"
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"github.com/sagernet/sing-dns"
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N "github.com/sagernet/sing/common/network"
)
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func New(router adapter.Router, options option.DialerOptions) (N.Dialer, error) {
if options.IsWireGuardListener {
return NewDefault(router, options)
}
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var (
dialer N.Dialer
err error
)
if options.Detour == "" {
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dialer, err = NewDefault(router, options)
if err != nil {
return nil, err
}
} else {
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dialer = NewDetour(router, options.Detour)
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}
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domainStrategy := dns.DomainStrategy(options.DomainStrategy)
if domainStrategy != dns.DomainStrategyAsIS || options.Detour == "" {
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dialer = NewResolveDialer(
router,
dialer,
options.Detour == "" && !options.TCPFastOpen,
domainStrategy,
time.Duration(options.FallbackDelay))
}
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return dialer, nil
}