storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/pkg/net/port.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2018 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package net
    18  
    19  import (
    20  	"errors"
    21  	"strconv"
    22  )
    23  
    24  // Port - network port
    25  type Port uint16
    26  
    27  // String - returns string representation of port.
    28  func (p Port) String() string {
    29  	return strconv.Itoa(int(p))
    30  }
    31  
    32  // ParsePort - parses string into Port
    33  func ParsePort(s string) (p Port, err error) {
    34  	if s == "https" {
    35  		return Port(443), nil
    36  	} else if s == "http" {
    37  		return Port(80), nil
    38  	}
    39  
    40  	var i int
    41  	if i, err = strconv.Atoi(s); err != nil {
    42  		return p, errors.New("invalid port number")
    43  	}
    44  
    45  	if i < 0 || i > 65535 {
    46  		return p, errors.New("port must be between 0 to 65535")
    47  	}
    48  
    49  	return Port(i), nil
    50  }