mihomo/rules/provider/domain_strategy.go
2023-01-23 14:08:11 +08:00

51 lines
1 KiB
Go

package provider
import (
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"golang.org/x/net/idna"
)
type domainStrategy struct {
count int
domainRules *trie.DomainTrie[struct{}]
}
func (d *domainStrategy) ShouldFindProcess() bool {
return false
}
func (d *domainStrategy) Match(metadata *C.Metadata) bool {
return d.domainRules != nil && d.domainRules.Search(metadata.RuleHost()) != nil
}
func (d *domainStrategy) Count() int {
return d.count
}
func (d *domainStrategy) ShouldResolveIP() bool {
return false
}
func (d *domainStrategy) OnUpdate(rules []string) {
domainTrie := trie.New[struct{}]()
count := 0
for _, rule := range rules {
actualDomain, _ := idna.ToASCII(rule)
err := domainTrie.Insert(actualDomain, struct{}{})
if err != nil {
log.Warnln("invalid domain:[%s]", rule)
} else {
count++
}
}
domainTrie.Optimize()
d.domainRules = domainTrie
d.count = count
}
func NewDomainStrategy() *domainStrategy {
return &domainStrategy{}
}