GoDoxy/src/proxy/fields/port.go
2024-08-01 10:06:42 +08:00

40 lines
629 B
Go

package fields
import (
"strconv"
E "github.com/yusing/go-proxy/error"
)
type Port int
func NewPort(v string) (Port, E.NestedError) {
p, err := strconv.Atoi(v)
if err != nil {
return ErrPort, E.From(err)
}
return NewPortInt(p)
}
func NewPortInt(v int) (Port, E.NestedError) {
pp := Port(v)
if err := pp.boundCheck(); err.IsNotNil() {
return ErrPort, err
}
return pp, E.Nil()
}
func (p Port) boundCheck() E.NestedError {
if p < MinPort || p > MaxPort {
return E.Invalid("port", p)
}
return E.Nil()
}
const (
MinPort = 0
MaxPort = 65535
ErrPort = Port(-1)
NoPort = Port(-1)
ZeroPort = Port(0)
)