@Test public void shouldSampleMonitoredSockets() throws Exception { beginMonitoring(requestSpecFor( getSocketAddress("0.0.0.0", 20048), getSocketAddress("0.0.0.0", 56150), getSocketAddress("192.168.122.1", 53))); monitor.poll(recordingUdpSocketStatisticsHandler); final List<MonitoredEntry> recordedEntries = recordingUdpSocketStatisticsHandler.getRecordedEntries(); assertThat(recordedEntries.size(), is(3)); assertEntry(recordedEntries.get(0), "0.0.0.0", 20048, 0, 0, 0, 21682); assertEntry(recordedEntries.get(1), "0.0.0.0", 56150, 0, 0, 4, 13597); assertEntry(recordedEntries.get(2), "192.168.122.1", 53, 166, 144, 0, 15292); }
void beginMonitoring(final Collection<T> requestSpec) { requestSpec.stream().forEach(getBeginMonitoringRequestMethod()); }
void endMonitoring(final Collection<T> requestSpec) { requestSpec.stream().forEach(getEndMonitoringRequestMethod()); }
@Test public void shouldNotifyLifecycleListenerWhenMonitoredSocketBecomesUnavailable() throws Exception { beginMonitoring(requestSpecFor(getSocketAddress("0.0.0.0", 20048))); monitor.poll(recordingUdpSocketStatisticsHandler); ResourceUtil.writeDataFile("proc_net_udp_socket_removed_sample.txt", inputPath); monitor.poll(recordingUdpSocketStatisticsHandler); final List<InetSocketAddress> monitoringStoppedList = lifecycleListener.getMonitoringStoppedList(); assertThat(monitoringStoppedList.size(), is(1)); assertThat(monitoringStoppedList.get(0), is(getSocketAddress("0.0.0.0", 20048))); }
protected static void assertEntry(final MonitoredEntry monitoredEntry, final String address, final int port, final long receiveQueueDepth, final long transmitQueueDepth, final long dropCount, final long inode) throws UnknownHostException { final long socketIdentifier = monitoredEntry.getSocketIdentifier(); assertThat(extractHostIpAddress(socketIdentifier), is(address)); assertThat(SocketIdentifier.extractPortNumber(socketIdentifier), is(port)); assertThat(monitoredEntry.getReceiverQueueDepth(), is(receiveQueueDepth)); assertThat(monitoredEntry.getTransmitQueueDepth(), is(transmitQueueDepth)); assertThat(monitoredEntry.getDrops(), is(dropCount)); assertThat(monitoredEntry.getInode(), is(inode)); assertThat(monitoredEntry.getSocketAddress(), is(new InetSocketAddress(address, port))); }
@Test public void shouldNotNotifyHandlerOfChangeWhenSocketIsNoLongerMonitored() throws Exception { beginMonitoring(requestSpecFor( getSocketAddress("0.0.0.0", 20048), getSocketAddress("0.0.0.0", 56150), getSocketAddress("192.168.122.1", 53))); monitor.poll(recordingUdpSocketStatisticsHandler); recordingUdpSocketStatisticsHandler.getRecordedEntries().clear(); ResourceUtil.writeDataFile("proc_net_udp_updated_sample.txt", inputPath); endMonitoring(requestSpecFor(getSocketAddress("192.168.122.1", 53))); monitor.poll(recordingUdpSocketStatisticsHandler); final List<MonitoredEntry> recordedEntries = recordingUdpSocketStatisticsHandler.getRecordedEntries(); assertThat(recordedEntries.size(), is(1)); assertEntry(recordedEntries.get(0), "0.0.0.0", 56150, 1, 0, 4, 13597); }
@Test public void shouldMonitorIpAddressOnLocalhost() throws Exception { beginMonitoring(requestSpecFor(getSocketAddress("127.0.0.1", 32770))); monitor.poll(recordingUdpSocketStatisticsHandler); final List<MonitoredEntry> recordedEntries = recordingUdpSocketStatisticsHandler.getRecordedEntries(); assertThat(recordedEntries.size(), is(1)); assertEntry(recordedEntries.get(0), "127.0.0.1", 32770, 0, 0, 0, 15293); }
@Test public void shouldMonitorIpAddressWhoseFirstOctetJavaSignedByteValueIsNegative() throws Exception { beginMonitoring(requestSpecFor(getSocketAddress("239.168.122.1", 53))); monitor.poll(recordingUdpSocketStatisticsHandler); ResourceUtil.writeDataFile("proc_net_udp_signed_first_octet_sample.txt", inputPath); monitor.poll(recordingUdpSocketStatisticsHandler); final List<MonitoredEntry> recordedEntries = recordingUdpSocketStatisticsHandler.getRecordedEntries(); assertThat(recordedEntries.size(), is(1)); assertEntry(recordedEntries.get(0), "239.168.122.1", 53, 166, 0, 0, 15292); }
@Test public void shouldNotNotifyHandlerOfUnchangedEntries() throws Exception { beginMonitoring(requestSpecFor( getSocketAddress("0.0.0.0", 20048), getSocketAddress("0.0.0.0", 56150), getSocketAddress("192.168.122.1", 53))); monitor.poll(recordingUdpSocketStatisticsHandler); recordingUdpSocketStatisticsHandler.getRecordedEntries().clear(); ResourceUtil.writeDataFile("proc_net_udp_updated_sample.txt", inputPath); monitor.poll(recordingUdpSocketStatisticsHandler); final List<MonitoredEntry> recordedEntries = recordingUdpSocketStatisticsHandler.getRecordedEntries(); assertThat(recordedEntries.size(), is(2)); assertEntry(recordedEntries.get(0), "0.0.0.0", 56150, 1, 0, 4, 13597); assertEntry(recordedEntries.get(1), "192.168.122.1", 53, 166, 0, 2, 15292); }