sing-box/route/rule_outbound.go

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package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
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F "github.com/sagernet/sing/common/format"
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)
var _ RuleItem = (*OutboundItem)(nil)
type OutboundItem struct {
outbounds []string
outboundMap map[string]bool
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matchAny bool
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}
func NewOutboundRule(outbounds []string) *OutboundItem {
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rule := &OutboundItem{outbounds: outbounds, outboundMap: make(map[string]bool)}
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for _, outbound := range outbounds {
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if outbound == "any" {
rule.matchAny = true
} else {
rule.outboundMap[outbound] = true
}
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}
return rule
}
func (r *OutboundItem) Match(metadata *adapter.InboundContext) bool {
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if r.matchAny && metadata.Outbound != "" {
return true
}
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return r.outboundMap[metadata.Outbound]
}
func (r *OutboundItem) String() string {
if len(r.outbounds) == 1 {
return F.ToString("outbound=", r.outbounds[0])
} else {
return F.ToString("outbound=[", strings.Join(r.outbounds, " "), "]")
}
}