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🔁 Replace WS_NODE_IP with go command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package net | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
|
||
| func hexToIPv4(hex string) (net.IP, error) { | ||
| ip := make(net.IP, 4) | ||
|
|
||
| _, err := fmt.Sscanf(hex, "%02x%02x%02x%02x", &ip[3], &ip[2], &ip[1], &ip[0]) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return ip, nil | ||
| } | ||
|
|
||
| func GetNodeIP() (string, error) { | ||
| data, err := os.ReadFile("/proc/net/route") | ||
|
|
||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| for _, line := range strings.Split(string(data), "\n") { | ||
| fields := strings.Fields(line) | ||
|
|
||
| if len(fields) >= 3 && fields[1] == "00000000" { | ||
| ip, err := hexToIPv4(fields[2]) | ||
|
|
||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return ip.String(), nil | ||
| } | ||
| } | ||
|
|
||
| return "", fmt.Errorf("default gateway not found") | ||
| } | ||
|
|
||
| func GetInternalIP() (string, error) { | ||
| addrs, err := net.InterfaceAddrs() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| for _, addr := range addrs { | ||
| var ip net.IP | ||
|
|
||
| if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() { | ||
| ip = ipnet.IP.To4() | ||
|
|
||
| if ip != nil { | ||
| return ip.String(), nil | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return "", fmt.Errorf("internal IP not found") | ||
| } |