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40 lines
679 B
Go
40 lines
679 B
Go
package fields
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import (
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"strconv"
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E "github.com/yusing/go-proxy/internal/error"
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)
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type Port int
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func ValidatePort[String ~string](v String) (Port, E.Error) {
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p, err := strconv.Atoi(string(v))
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if err != nil {
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return ErrPort, E.Invalid("port number", v).With(err)
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}
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return ValidatePortInt(p)
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}
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func ValidatePortInt[Int int | uint16](v Int) (Port, E.Error) {
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p := Port(v)
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if !p.inBound() {
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return ErrPort, E.OutOfRange("port", p)
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}
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return p, nil
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}
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func (p Port) inBound() bool {
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return p >= MinPort && p <= MaxPort
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}
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func (p Port) String() string {
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return strconv.Itoa(int(p))
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}
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const (
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MinPort = 0
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MaxPort = 65535
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ErrPort = Port(-1)
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NoPort = Port(0)
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)
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