/**
* Returns true if the StatusManager associated with the context passed as parameter has one or
* more StatusListener instances registered. Returns false otherwise.
*
* @param context
* @return true if one or more StatusListeners registered, false otherwise
* @since 1.0.8
*/
public static boolean contextHasStatusListener(Context context) {
StatusManager sm = context.getStatusManager();
if (sm == null) return false;
List<StatusListener> listeners = sm.getCopyOfStatusListenerList();
if (listeners == null || listeners.size() == 0) return false;
else return true;
}
public static void addStatus(Context context, Status status) {
if (context == null) {
return;
}
StatusManager sm = context.getStatusManager();
if (sm != null) {
sm.add(status);
}
}
/** Print status messages retrospectively */
private void retrospectivePrint() {
if (context == null) return;
long now = System.currentTimeMillis();
StatusManager sm = context.getStatusManager();
List<Status> statusList = sm.getCopyOfStatusList();
for (Status status : statusList) {
long timestamp = status.getDate();
if (now - timestamp < retrospective) {
print(status);
}
}
}
@Test
public void testCheckup() throws IOException {
MockClock clk = new MockClock(0);
Clock.setClock(clk);
StatusManager stats = new StatusManager();
// foo is in state HELLO and has configuration numbered 0
long prev = Clock.unixTime();
boolean needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.HELLO, 0);
LOG.info(stats.getNodeStatuses());
assertTrue(needsRefresh);
// move forward in time, but not far enough to trigger being lost
clk.forward(FlumeConfiguration.get().getConfigHeartbeatPeriod() * 5);
stats.checkup();
StatusManager.NodeStatus ns = stats.getNodeStatuses().get("foo");
assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.HELLO, ns.state);
prev = ns.lastseen;
clk.forward(FlumeConfiguration.get().getConfigHeartbeatPeriod() * 20);
stats.checkup();
ns = stats.getNodeStatuses().get("foo");
assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.LOST, ns.state);
prev = ns.lastseen;
LOG.info(ns.toString());
LOG.info(stats.getStatus("foo").toString());
}
/** Opens the given editor on the selected file revision. */
protected void openEditor(IEditorDescriptor editorDescriptor, boolean openUsingDescriptor) {
IFileRevision fileRevision = getFileRevision();
if (fileRevision == null) {
return;
}
try {
IProgressMonitor monitor = new NullProgressMonitor();
IStorage storage = fileRevision.getStorage(monitor);
boolean isFile = storage instanceof IFile;
if (openUsingDescriptor) {
// discouraged access to open system editors
((WorkbenchPage) (page.getSite().getPage()))
.openEditorFromDescriptor(
isFile
? new FileEditorInput((IFile) storage)
: (IEditorInput)
FileRevisionEditorInput.createEditorInputFor(fileRevision, monitor),
editorDescriptor,
true,
null);
} else {
String editorId =
editorDescriptor == null
? IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID
: editorDescriptor.getId();
page.getSite()
.getPage()
.openEditor(
isFile
? new FileEditorInput((IFile) storage)
: (IEditorInput)
FileRevisionEditorInput.createEditorInputFor(fileRevision, monitor),
editorId,
true,
MATCH_BOTH);
}
} catch (PartInitException e) {
StatusAdapter statusAdapter = new StatusAdapter(e.getStatus());
statusAdapter.setProperty(
IStatusAdapterConstants.TITLE_PROPERTY, TeamUIMessages.LocalHistoryPage_OpenEditorError);
StatusManager.getManager().handle(statusAdapter, StatusManager.SHOW);
} catch (CoreException e) {
StatusAdapter statusAdapter = new StatusAdapter(e.getStatus());
statusAdapter.setProperty(
IStatusAdapterConstants.TITLE_PROPERTY, TeamUIMessages.LocalHistoryPage_OpenEditorError);
StatusManager.getManager().handle(statusAdapter, StatusManager.LOG);
}
}
public int getHighestLevel(long threshold) {
List<Status> filteredList =
filterStatusListByTimeThreshold(sm.getCopyOfStatusList(), threshold);
int maxLevel = Status.INFO;
for (Status s : filteredList) {
if (s.getLevel() > maxLevel) maxLevel = s.getLevel();
}
return maxLevel;
}
public boolean containsMatch(String regex) {
Pattern p = Pattern.compile(regex);
for (Status status : sm.getCopyOfStatusList()) {
String msg = status.getMessage();
Matcher matcher = p.matcher(msg);
if (matcher.lookingAt()) {
return true;
}
}
return false;
}
public boolean containsException(Class exceptionType) {
Iterator stati = sm.getCopyOfStatusList().iterator();
while (stati.hasNext()) {
Status status = (Status) stati.next();
Throwable t = status.getThrowable();
if (t != null && t.getClass().getName().equals(exceptionType.getName())) {
return true;
}
}
return false;
}
public int matchCount(String regex) {
int count = 0;
Pattern p = Pattern.compile(regex);
for (Status status : sm.getCopyOfStatusList()) {
String msg = status.getMessage();
Matcher matcher = p.matcher(msg);
if (matcher.lookingAt()) {
count++;
}
}
return count;
}
public void b(Boolean boolean1) {
if (b == null) {
return;
}
StatusManager.j().a(c);
if (c != null) {
b.a(c);
return;
} else {
b.b(null);
return;
}
}
/**
* Return the time of last reset. -1 if last reset time could not be found
*
* @return time of last reset or -1
*/
public long timeOfLastReset() {
List<Status> statusList = sm.getCopyOfStatusList();
if (statusList == null) return -1;
int len = statusList.size();
for (int i = len - 1; i >= 0; i--) {
Status s = statusList.get(i);
if (CoreConstants.RESET_MSG_PREFIX.equals(s.getMessage())) {
return s.getDate();
}
}
return -1;
}
public boolean containsMatch(long threshold, int level, String regex) {
List<Status> filteredList =
filterStatusListByTimeThreshold(sm.getCopyOfStatusList(), threshold);
Pattern p = Pattern.compile(regex);
for (Status status : filteredList) {
if (level != status.getLevel()) {
continue;
}
String msg = status.getMessage();
Matcher matcher = p.matcher(msg);
if (matcher.lookingAt()) {
return true;
}
}
return false;
}
public void run()
{
int i = 0;
StatusManager statusmanager = a;
statusmanager;
JVM INSTR monitorenter ;
aa aaa[];
int j;
aaa = (aa[])StatusManager.v(a).toArray(new aa[0]);
j = aaa.length;
_L2:
if (i >= j)
{
break; /* Loop/switch isn't completed */
}
aaa[i].a();
i++;
if (true) goto _L2; else goto _L1
@Test
public void testStatusManagerHeartbeats() throws IOException {
StatusManager stats = new StatusManager();
FlumeConfiguration cfg = FlumeConfiguration.createTestableConfiguration();
Clock.resetDefault();
cfg.set(FlumeConfiguration.WEBAPPS_PATH, "build/webapps");
cfg.set(FlumeConfiguration.MASTER_STORE, "memory");
// avoiding gossip ack manager until it shuts down cleanly.
ConfigStore cfgStore = FlumeMaster.createConfigStore(cfg);
FlumeMaster fm =
new FlumeMaster(
new CommandManager(), new ConfigManager(cfgStore), stats, new MasterAckManager(), cfg);
fm.getSpecMan().addLogicalNode("physnode", "foo");
// foo is in state HELLO and has configuration numbered 0
long prev = Clock.unixTime();
boolean needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.HELLO, 0);
LOG.info(stats.getNodeStatuses());
assertTrue(needsRefresh);
StatusManager.NodeStatus ns = stats.getNodeStatuses().get("foo");
assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.HELLO, ns.state);
prev = ns.lastseen;
needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.IDLE, 0);
LOG.info(stats.getNodeStatuses());
assertFalse(needsRefresh); // no new data flow version
assertEquals(0, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.IDLE, ns.state);
prev = ns.lastseen;
needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.ACTIVE, 10);
LOG.info(stats.getNodeStatuses());
assertFalse(needsRefresh); // node has updated version number, but master
// has not
assertEquals(10, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.ACTIVE, ns.state);
prev = ns.lastseen;
// same message, no refresh
needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.ACTIVE, 10);
LOG.info(stats.getNodeStatuses());
assertFalse(needsRefresh); // this is wierd, is this right?
assertEquals(10, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.ACTIVE, ns.state);
prev = ns.lastseen;
// regress to an older version,
needsRefresh =
stats.updateHeartbeatStatus(NetUtils.localhost(), "physnode", "foo", NodeState.ACTIVE, 5);
LOG.info(stats.getNodeStatuses());
assertFalse(needsRefresh);
assertEquals(5, ns.version);
assertTrue(prev <= ns.lastseen);
assertEquals(NodeState.ACTIVE, ns.state);
prev = ns.lastseen;
LOG.info(stats.getReport());
LOG.info(stats.getName());
}
/**
* Return a list of the names of any nodes that have been seen. Used by the web interface to
* populate choice inputs.
*/
public Set<String> getKnownNodes() {
return statman.getNodeStatuses().keySet();
}
/** Generates html 1.0 data that displays the configuration status of the flume system. */
public void reportHtml(Writer o) throws IOException {
statman.getMetrics().toHtml(o);
specman.getMetrics().toHtml(o);
cmdman.getMetrics().toHtml(o);
}
