/** This also implements the Apache Commons Daemon interface's start */
public synchronized void start() {
FlumeConfiguration conf = FlumeConfiguration.get();
// the simple report interface
simpleReportManager.add(vmInfo);
simpleReportManager.add(sysInfo);
simpleReportManager.add(
new Reportable() {
@Override
public String getName() {
return FlumeNode.this.getName();
}
@Override
public ReportEvent getMetrics() {
return FlumeNode.this.getReport();
}
@Override
public Map<String, Reportable> getSubMetrics() {
return ReportUtil.noChildren();
}
});
// the full report interface
ReportManager.get().add(vmInfo);
ReportManager.get().add(sysInfo);
ReportManager.get().add(this);
if (startHttp) {
int nodePort = conf.getNodeStatusPort();
String bindAddress = "0.0.0.0";
ContextCreator cc =
new ContextCreator() {
@Override
public void addContexts(ContextHandlerCollection handlers) {
handlers.addHandler(InternalHttpServer.createLogAppContext());
handlers.addHandler(InternalHttpServer.createStackSevletContext());
String webAppRoot = FlumeConfiguration.get().getNodeWebappRoot();
InternalHttpServer.addHandlersFromPaths(handlers, new File(webAppRoot));
}
};
http = InternalHttpServer.startFindPortHttpServer(cc, bindAddress, nodePort);
}
if (reportPusher != null) {
reportPusher.start();
}
if (liveMan != null) {
liveMan.start();
}
if (chokeMan != null) {
// JVM exits if only daemons threads remain.
chokeMan.setDaemon(true);
chokeMan.start();
}
}
/** This also implements the Apache Commons Daemon interface's stop */
public synchronized void stop() {
if (this.http != null) {
try {
http.stop();
} catch (Exception e) {
LOG.error("Stopping http server failed: " + e);
}
}
if (reportPusher != null) {
reportPusher.stop();
}
if (liveMan != null) {
liveMan.stop();
}
if (chokeMan != null) {
chokeMan.halt();
}
}