コード例 #1
0
  public void testBasicWorkingGetNeighborsQuery() throws Exception {
    NetlinkSocket s = new NetlinkSocket(OsConstants.NETLINK_ROUTE);
    assertNotNull(s);

    s.connectToKernel();

    NetlinkSocketAddress localAddr = s.getLocalAddress();
    assertNotNull(localAddr);
    assertEquals(0, localAddr.getGroupsMask());
    assertTrue(0 != localAddr.getPortId());

    final int TEST_SEQNO = 5;
    final byte[] request = RtNetlinkNeighborMessage.newGetNeighborsRequest(TEST_SEQNO);
    assertNotNull(request);

    final long TIMEOUT = 500;
    assertTrue(s.sendMessage(request, 0, request.length, TIMEOUT));

    int neighMessageCount = 0;
    int doneMessageCount = 0;

    while (doneMessageCount == 0) {
      ByteBuffer response = null;
      response = s.recvMessage(TIMEOUT);
      assertNotNull(response);
      assertTrue(StructNlMsgHdr.STRUCT_SIZE <= response.limit());
      assertEquals(0, response.position());
      assertEquals(ByteOrder.nativeOrder(), response.order());

      // Verify the messages at least appears minimally reasonable.
      while (response.remaining() > 0) {
        final NetlinkMessage msg = NetlinkMessage.parse(response);
        assertNotNull(msg);
        final StructNlMsgHdr hdr = msg.getHeader();
        assertNotNull(hdr);

        if (hdr.nlmsg_type == NetlinkConstants.NLMSG_DONE) {
          doneMessageCount++;
          continue;
        }

        assertEquals(NetlinkConstants.RTM_NEWNEIGH, hdr.nlmsg_type);
        assertTrue(msg instanceof RtNetlinkNeighborMessage);
        assertTrue((hdr.nlmsg_flags & StructNlMsgHdr.NLM_F_MULTI) != 0);
        assertEquals(TEST_SEQNO, hdr.nlmsg_seq);
        assertEquals(localAddr.getPortId(), hdr.nlmsg_pid);

        neighMessageCount++;
      }
    }

    assertEquals(1, doneMessageCount);
    // TODO: make sure this test passes sanely in airplane mode.
    assertTrue(neighMessageCount > 0);

    s.close();
  }
コード例 #2
0
 public void testRepeatedCloseCallsAreQuiet() throws Exception {
   // Create a working NetlinkSocket.
   NetlinkSocket s = new NetlinkSocket(OsConstants.NETLINK_ROUTE);
   assertNotNull(s);
   s.connectToKernel();
   NetlinkSocketAddress localAddr = s.getLocalAddress();
   assertNotNull(localAddr);
   assertEquals(0, localAddr.getGroupsMask());
   assertTrue(0 != localAddr.getPortId());
   // Close once.
   s.close();
   // Test that it is closed.
   boolean expectedErrorSeen = false;
   try {
     localAddr = s.getLocalAddress();
   } catch (ErrnoException e) {
     expectedErrorSeen = true;
   }
   assertTrue(expectedErrorSeen);
   // Close once more.
   s.close();
 }