blob: ebe343a31326fd4f41c1b9506b736cbbc9e6473e (
plain)
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
|
// +build windows
package utils
import (
"errors"
"fmt"
"net"
"os"
"strings"
"syscall"
)
// CreateListener crates socket listener based on DSN definition.
func CreateListener(address string) (net.Listener, error) {
dsn := strings.Split(address, "://")
if len(dsn) != 2 {
return nil, errors.New("invalid DSN (tcp://:6001, unix://file.sock)")
}
if dsn[0] != "unix" && dsn[0] != "tcp" {
return nil, errors.New("invalid Protocol (tcp://:6001, unix://file.sock)")
}
if dsn[0] == "unix" && fileExists(dsn[1]) {
err := syscall.Unlink(dsn[1])
if err != nil {
return nil, fmt.Errorf("error during the unlink syscall: error %v", err)
}
}
return net.Listen(dsn[0], dsn[1])
}
// fileExists checks if a file exists and is not a directory before we
// try using it to prevent further errors.
func fileExists(filename string) bool {
info, err := os.Stat(filename)
if os.IsNotExist(err) {
return false
}
return !info.IsDir()
}
|
