Golang GetPrivateHostIPsの例

コード例 #1

ファイル: backend.go プロジェクト: vulcand/vulcand

// makeEndpointURL constructs a URL by determining the private IP address of
// the host.
func makeEndpointURL(listenIP string, listenPort int) (string, error) {
	if listenIP != "0.0.0.0" {
		return fmt.Sprintf("http://%v:%v", listenIP, listenPort), nil
	}
	privateIPs, err := iptools.GetPrivateHostIPs()
	if err != nil {
		return "", fmt.Errorf("failed to obtain host's private IPs: %v", err)
	}
	if len(privateIPs) == 0 {
		return "", errors.New("no host's private IPs are found")
	}
	return fmt.Sprintf("http://%v:%v", privateIPs[0], listenPort), nil
}

コード例 #2

ファイル: endpoint.go プロジェクト: pquerna/scroll

// Construct an endpoint URL by determining the private IP address of the host.
func makeEndpointURL(listenIP string, listenPort int) (string, error) {
	// if an app is listening on a specific IP, use it
	if listenIP != "0.0.0.0" {
		return fmt.Sprintf("http://%v:%v", listenIP, listenPort), nil
	}

	// otherwise find a private IP
	privateIPs, err := iptools.GetPrivateHostIPs()
	if err != nil {
		return "", fmt.Errorf("failed to obtain host's private IPs: %v", err)
	}

	if len(privateIPs) == 0 {
		return "", fmt.Errorf("no host's private IPs are found")
	}

	return fmt.Sprintf("http://%v:%v", privateIPs[0], listenPort), nil
}