real-mj-song commented on code in PR #13805:
URL: https://github.com/apache/pinot/pull/13805#discussion_r1714489462
##########
pinot-spi/src/main/java/org/apache/pinot/spi/utils/NetUtils.java:
##########
@@ -20,32 +20,73 @@
import java.io.IOException;
import java.net.DatagramSocket;
+import java.net.Inet4Address;
+import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.SocketException;
import java.net.UnknownHostException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class NetUtils {
private NetUtils() {
}
- private static final String DUMMY_OUT_IP = "74.125.224.0";
+ private static final Logger LOGGER = LoggerFactory.getLogger(NetUtils.class);
+ // Google Public DNS IPs dns.google
+ private static final int HTTP_PORT = 80;
+ private static final String DUMMY_OUT_IPV4 = "8.8.8.8";
+ private static final String DUMMY_OUT_IPV6 = "2001:4860:4860::8888";
/**
* Get the ip address of local host.
+ *
+ * @return IP address {@link String}, either IPv4 or IPv6 format depending
on java.net.preferIPv6Addresses property.
*/
public static String getHostAddress()
throws SocketException, UnknownHostException {
+ boolean isIPv6Preferred =
Boolean.parseBoolean(System.getProperty("java.net.preferIPv6Addresses"));
DatagramSocket ds = new DatagramSocket();
- ds.connect(InetAddress.getByName(DUMMY_OUT_IP), 80);
+ try {
+ ds.connect(isIPv6Preferred ? Inet6Address.getByName(DUMMY_OUT_IPV6) :
Inet4Address.getByName(DUMMY_OUT_IPV4),
+ HTTP_PORT);
+ } catch (java.io.UncheckedIOException e) {
Review Comment:
Yup I log the original exception message as well
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