minio/pkg/net/port.go at newux · woniuxu/minio

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* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

package net

import (

"errors"

"strconv"

)

// Port - network port

type Port uint16

// String - returns string representation of port.

func (p Port) String() string {

return strconv.Itoa(int(p))

}

// ParsePort - parses string into Port

func ParsePort(s string) (p Port, err error) {

var i int

if i, err = strconv.Atoi(s); err != nil {

return p, errors.New("invalid port number")

}

if i < 0 || i > 65535 {

return p, errors.New("port must be between 0 to 65535")

}

return Port(i), nil

}

// MustParsePort - parses string into Port, else panics

func MustParsePort(s string) Port {

p, err := ParsePort(s)

if err != nil {

panic(err)

}

return p

}