62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package route
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import (
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"strings"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-box/log"
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E "github.com/sagernet/sing/common/exceptions"
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)
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var _ RuleItem = (*GeositeItem)(nil)
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type GeositeItem struct {
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router adapter.Router
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logger log.ContextLogger
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codes []string
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matchers []adapter.Rule
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}
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func NewGeositeItem(router adapter.Router, logger log.ContextLogger, codes []string) *GeositeItem {
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return &GeositeItem{
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router: router,
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logger: logger,
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codes: codes,
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}
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}
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func (r *GeositeItem) Update() error {
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matchers := make([]adapter.Rule, 0, len(r.codes))
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for _, code := range r.codes {
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matcher, err := r.router.LoadGeosite(code)
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if err != nil {
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return E.Cause(err, "read geosite")
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}
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matchers = append(matchers, matcher)
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}
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r.matchers = matchers
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return nil
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}
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func (r *GeositeItem) Match(metadata *adapter.InboundContext) bool {
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for _, matcher := range r.matchers {
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if matcher.Match(metadata) {
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return true
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}
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}
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return false
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}
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func (r *GeositeItem) String() string {
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description := "geosite="
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cLen := len(r.codes)
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if cLen == 1 {
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description += r.codes[0]
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} else if cLen > 3 {
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description += "[" + strings.Join(r.codes[:3], " ") + "...]"
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} else {
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description += "[" + strings.Join(r.codes, " ") + "]"
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}
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return description
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}
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