sing-box/route/rule_item_user_id.go

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package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
F "github.com/sagernet/sing/common/format"
)
var _ RuleItem = (*UserIdItem)(nil)
type UserIdItem struct {
userIds []int32
userIdMap map[int32]bool
}
func NewUserIDItem(userIdList []int32) *UserIdItem {
rule := &UserIdItem{
userIds: userIdList,
userIdMap: make(map[int32]bool),
}
for _, userId := range userIdList {
rule.userIdMap[userId] = true
}
return rule
}
func (r *UserIdItem) Match(metadata *adapter.InboundContext) bool {
if metadata.ProcessInfo == nil || metadata.ProcessInfo.UserId == -1 {
return false
}
return r.userIdMap[metadata.ProcessInfo.UserId]
}
func (r *UserIdItem) String() string {
var description string
pLen := len(r.userIds)
if pLen == 1 {
description = "user_id=" + F.ToString(r.userIds[0])
} else {
description = "user_id=[" + strings.Join(F.MapToString(r.userIds), " ") + "]"
}
return description
}