-
Notifications
You must be signed in to change notification settings - Fork 0
/
tools.go
70 lines (64 loc) · 1.29 KB
/
tools.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
69
70
package remote_log_aliyun_go
import (
"bufio"
"errors"
"fmt"
"net"
"os"
"time"
)
// 记录上传失败的日志到本地的地址
var ErrorLogPath string
// 记录上传失败的日志
func FailUploadLog(log string) {
file, _ := os.OpenFile(fmt.Sprintf("%v/error_log_%v.log", ErrorLogPath, time.Now().Format("2006-01-02")), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
defer file.Close()
write := bufio.NewWriter(file)
write.WriteString(log + "\n")
write.Flush()
}
//获取ip
func externalIP() (net.IP, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
for _, iface := range ifaces {
if iface.Flags&net.FlagUp == 0 {
continue // interface down
}
if iface.Flags&net.FlagLoopback != 0 {
continue // loopback interface
}
addrs, err := iface.Addrs()
if err != nil {
return nil, err
}
for _, addr := range addrs {
ip := getIpFromAddr(addr)
if ip == nil {
continue
}
return ip, nil
}
}
return nil, errors.New("connected to the network?")
}
//获取ip
func getIpFromAddr(addr net.Addr) net.IP {
var ip net.IP
switch v := addr.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
}
if ip == nil || ip.IsLoopback() {
return nil
}
ip = ip.To4()
if ip == nil {
return nil // not an ipv4 address
}
return ip
}