/
inet.go
68 lines (60 loc) · 1.84 KB
/
inet.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
// Copyright 2020 DataStax
//
// 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 primitive
import (
"errors"
"fmt"
"io"
"net"
)
// [inet] (net.IP + port)
// Inet is the [inet] protocol type. It is the combination of a net.IP + port number.
// +k8s:deepcopy-gen=true
type Inet struct {
Addr net.IP
Port int32
}
func (i Inet) String() string {
return fmt.Sprintf("%v:%v", i.Addr, i.Port)
}
func ReadInet(source io.Reader) (*Inet, error) {
if addr, err := ReadInetAddr(source); err != nil {
return nil, fmt.Errorf("cannot read [inet] address: %w", err)
} else if port, err := ReadInt(source); err != nil {
return nil, fmt.Errorf("cannot read [inet] port number: %w", err)
} else {
return &Inet{Addr: addr, Port: port}, nil
}
}
func WriteInet(inet *Inet, dest io.Writer) error {
if inet == nil {
return errors.New("cannot write nil [inet]")
}
if err := WriteInetAddr(inet.Addr, dest); err != nil {
return fmt.Errorf("cannot write [inet] address: %w", err)
} else if err := WriteInt(inet.Port, dest); err != nil {
return fmt.Errorf("cannot write [inet] port number: %w", err)
}
return nil
}
func LengthOfInet(inet *Inet) (length int, err error) {
if inet == nil {
return -1, errors.New("cannot compute nil [inet] length")
}
length, err = LengthOfInetAddr(inet.Addr)
if err != nil {
return -1, err
}
return length + LengthOfInt, nil
}