clash/rules/common/port.go
2024-01-20 11:00:06 +08:00

61 lines
1.1 KiB
Go

package common
import (
"fmt"
"github.com/metacubex/mihomo/common/utils"
C "github.com/metacubex/mihomo/constant"
)
type Port struct {
*Base
adapter string
port string
ruleType C.RuleType
portRanges utils.IntRanges[uint16]
}
func (p *Port) RuleType() C.RuleType {
return p.ruleType
}
func (p *Port) Match(metadata *C.Metadata) (bool, string) {
targetPort := metadata.DstPort
switch p.ruleType {
case C.InPort:
targetPort = metadata.InPort
case C.SrcPort:
targetPort = metadata.SrcPort
}
return p.portRanges.Check(targetPort), p.adapter
}
func (p *Port) Adapter() string {
return p.adapter
}
func (p *Port) Payload() string {
return p.port
}
func NewPort(port string, adapter string, ruleType C.RuleType) (*Port, error) {
portRanges, err := utils.NewUnsignedRanges[uint16](port)
if err != nil {
return nil, fmt.Errorf("%w, %w", errPayload, err)
}
if len(portRanges) == 0 {
return nil, errPayload
}
return &Port{
Base: &Base{},
adapter: adapter,
port: port,
ruleType: ruleType,
portRanges: portRanges,
}, nil
}
var _ C.Rule = (*Port)(nil)