test/java/net/ipv6tests/B6521014.java

*** 23,39 ****
  
  /*
   * @test
   * @bug 6521014 6543428
   * @summary IOException thrown when Socket tries to bind to an local IPv6 address on SuSE Linux
   */
  
- 
  import java.net.*;
  import java.io.*;
  import java.util.*;
! 
  
  /*
   *
   * What this testcase is to test is a (weird) coupling through the
   * cached_scope_id field of java.net.Inet6Address. Native method
--- 23,41 ----
  
  /*
   * @test
   * @bug 6521014 6543428
   * @summary IOException thrown when Socket tries to bind to an local IPv6 address on SuSE Linux
+  * @library /lib/testlibrary
+  * @build jdk.testlibrary.NetworkConfiguration
+  * @run main B6521014
   */
  
  import java.net.*;
  import java.io.*;
  import java.util.*;
! import jdk.testlibrary.NetworkConfiguration;
  
  /*
   *
   * What this testcase is to test is a (weird) coupling through the
   * cached_scope_id field of java.net.Inet6Address. Native method
*** 50,126 ****
   * that.
   *
   */
  public class B6521014 {
  
!     static InetAddress sin;
! 
!     static Inet6Address getLocalAddr () throws Exception {
!         Enumeration e = NetworkInterface.getNetworkInterfaces();
!         while (e.hasMoreElements()) {
!             NetworkInterface ifc = (NetworkInterface) e.nextElement();
!             if (!ifc.isUp())
!                 continue;
!             Enumeration addrs = ifc.getInetAddresses();
!             while (addrs.hasMoreElements()) {
!                 InetAddress a = (InetAddress)addrs.nextElement();
!                 if (a instanceof Inet6Address) {
!                     Inet6Address ia6 = (Inet6Address) a;
!                     if (ia6.isLinkLocalAddress()) {
!                         // remove %scope suffix
!                         return (Inet6Address)InetAddress.getByAddress(ia6.getAddress());
!                     }
!                 }
!             }
          }
-         return null;
      }
  
!     static void test1() throws Exception {
!         ServerSocket ssock;
!         Socket sock;
!         int port;
  
!         ssock = new ServerSocket(0);
!         port = ssock.getLocalPort();
!         sock = new Socket();
!         try {
              sock.connect(new InetSocketAddress(sin, port), 100);
          } catch (SocketTimeoutException e) {
              // time out exception is okay
              System.out.println("timed out when connecting.");
          }
      }
  
!     static void test2() throws Exception {
!         Socket sock;
!         ServerSocket ssock;
!         int port;
! 
!         ssock = new ServerSocket(0);
          ssock.setSoTimeout(100);
-         port = ssock.getLocalPort();
-         sock = new Socket();
          sock.bind(new InetSocketAddress(sin, 0));
-         try {
              sock.connect(new InetSocketAddress(sin, port), 100);
!         } catch (SocketTimeoutException e) {
              // time out exception is okay
              System.out.println("timed out when connecting.");
          }
      }
  
      public static void main(String[] args) throws Exception {
!         sin = getLocalAddr();
!         if (sin == null) {
              System.out.println("Cannot find a link-local address.");
              return;
          }
  
!         try {
!             test1();
!             test2();
!         } catch (IOException e) {
!             throw new RuntimeException("Test failed: cannot create socket.", e);
!         }
      }
  }
--- 52,109 ----
   * that.
   *
   */
  public class B6521014 {
  
!     static Inet6Address removeScope(Inet6Address addr) {
!         try {
!             return (Inet6Address)InetAddress.getByAddress(addr.getAddress());
!         } catch (IOException e) {
!             throw new UncheckedIOException(e);
          }
      }
  
!     static Optional<Inet6Address> getLocalAddr() throws Exception {
!         return NetworkConfiguration.probe()
!                 .ip6Addresses()
!                 .filter(Inet6Address::isLinkLocalAddress)
!                 .map(B6521014::removeScope)
!                 .findFirst();
!     }
  
!     static void test1(Inet6Address sin) throws Exception {
!         try (ServerSocket ssock = new ServerSocket(0);
!              Socket sock = new Socket()) {
!             int port = ssock.getLocalPort();
              sock.connect(new InetSocketAddress(sin, port), 100);
          } catch (SocketTimeoutException e) {
              // time out exception is okay
              System.out.println("timed out when connecting.");
          }
      }
  
!     static void test2(Inet6Address sin) throws Exception {
!         try (ServerSocket ssock = new ServerSocket(0);
!              Socket sock = new Socket()) {
!             int port = ssock.getLocalPort();
              ssock.setSoTimeout(100);
              sock.bind(new InetSocketAddress(sin, 0));
              sock.connect(new InetSocketAddress(sin, port), 100);
!         } catch (SocketTimeoutException expected) {
              // time out exception is okay
              System.out.println("timed out when connecting.");
          }
      }
  
      public static void main(String[] args) throws Exception {
!         Optional<Inet6Address> oaddr = getLocalAddr();
!         if (!oaddr.isPresent()) {
              System.out.println("Cannot find a link-local address.");
              return;
          }
  
!         Inet6Address addr = oaddr.get();
!         System.out.println("Using " + addr);
!         test1(addr);
!         test2(addr);
      }
  }