Pcaps { public static String dataLinkValToDescription(int dataLinkVal) throws PcapNativeException { String descr = NativeMappings.pcap_datalink_val_to_description(dataLinkVal); if (descr == null) { throw new PcapNativeException( "Failed to convert the data link value to the description: " + dataLinkVal); } return descr; } private  Pcaps(); static List<PcapNetworkInterface> findAllDevs(); static PcapNetworkInterface getDevByAddress(InetAddress addr); static PcapNetworkInterface getDevByName(String name); static String lookupDev(); static Inet4NetworkAddress lookupNet(String devName); static PcapHandle openOffline(String filePath); static PcapHandle openOffline(String filePath, TimestampPrecision precision); static PcapHandle openDead(DataLinkType dlt, int snaplen); static PcapHandle openDead(DataLinkType dlt, int snaplen, TimestampPrecision precision); static BpfProgram compileFilter(
      int snaplen,
      DataLinkType dlt,
      String bpfExpression,
      BpfCompileMode mode,
      Inet4Address netmask); static DataLinkType dataLinkNameToVal(String name); static String dataLinkTypeToName(DataLinkType dlt); static String dataLinkValToName(int dataLinkVal); static String dataLinkTypeToDescription(DataLinkType dlt); static String dataLinkValToDescription(int dataLinkVal); static String strError(int error); static String libVersion(); static String toBpfString(InetAddress inetAddr); static String toBpfString(MacAddress macAddr);  }
@Test public void testDataLinkValToDescription() throws Exception { String descr = Pcaps.dataLinkValToDescription(DataLinkType.PPP.value()); logger.info(DataLinkType.PPP + " descr: " + descr); assertNotNull(descr); assertFalse(descr.length() == 0); }