use of org.apache.karaf.shell.commands.info.InfoProvider in project karaf by apache.
the class InfoAction method execute.
@Override
public Object execute() throws Exception {
int maxNameLen;
RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
ThreadMXBean threads = ManagementFactory.getThreadMXBean();
MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();
//
// print Karaf informations
//
maxNameLen = 25;
System.out.println("Karaf");
printValue("Karaf version", maxNameLen, System.getProperty("karaf.version"));
printValue("Karaf home", maxNameLen, System.getProperty("karaf.home"));
printValue("Karaf base", maxNameLen, System.getProperty("karaf.base"));
String osgi = getOsgiFramework();
if (osgi != null) {
printValue("OSGi Framework", maxNameLen, osgi);
}
System.out.println();
System.out.println("JVM");
printValue("Java Virtual Machine", maxNameLen, runtime.getVmName() + " version " + runtime.getVmVersion());
printValue("Version", maxNameLen, System.getProperty("java.version"));
printValue("Vendor", maxNameLen, runtime.getVmVendor());
printValue("Pid", maxNameLen, getPid());
printValue("Uptime", maxNameLen, printDuration(runtime.getUptime()));
try {
printValue("Process CPU time", maxNameLen, printDuration(getSunOsValueAsLong(os, "getProcessCpuTime") / 1000000));
} catch (Throwable t) {
}
printValue("Total compile time", maxNameLen, printDuration(ManagementFactory.getCompilationMXBean().getTotalCompilationTime()));
System.out.println("Threads");
printValue("Live threads", maxNameLen, Integer.toString(threads.getThreadCount()));
printValue("Daemon threads", maxNameLen, Integer.toString(threads.getDaemonThreadCount()));
printValue("Peak", maxNameLen, Integer.toString(threads.getPeakThreadCount()));
printValue("Total started", maxNameLen, Long.toString(threads.getTotalStartedThreadCount()));
System.out.println("Memory");
printValue("Current heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getUsed()));
printValue("Maximum heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getMax()));
printValue("Committed heap size", maxNameLen, printSizeInKb(mem.getHeapMemoryUsage().getCommitted()));
printValue("Pending objects", maxNameLen, Integer.toString(mem.getObjectPendingFinalizationCount()));
for (GarbageCollectorMXBean gc : ManagementFactory.getGarbageCollectorMXBeans()) {
String val = "Name = '" + gc.getName() + "', Collections = " + gc.getCollectionCount() + ", Time = " + printDuration(gc.getCollectionTime());
printValue("Garbage collector", maxNameLen, val);
}
System.out.println("Classes");
printValue("Current classes loaded", maxNameLen, printLong(cl.getLoadedClassCount()));
printValue("Total classes loaded", maxNameLen, printLong(cl.getTotalLoadedClassCount()));
printValue("Total classes unloaded", maxNameLen, printLong(cl.getUnloadedClassCount()));
System.out.println("Operating system");
printValue("Name", maxNameLen, os.getName() + " version " + os.getVersion());
printValue("Architecture", maxNameLen, os.getArch());
printValue("Processors", maxNameLen, Integer.toString(os.getAvailableProcessors()));
try {
printValue("Total physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalPhysicalMemorySize")));
printValue("Free physical memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getFreePhysicalMemorySize")));
printValue("Committed virtual memory", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getCommittedVirtualMemorySize")));
printValue("Total swap space", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getTotalSwapSpaceSize")));
printValue("Free swap space", maxNameLen, printSizeInKb(getSunOsValueAsLong(os, "getFreeSwapSpaceSize")));
} catch (Throwable t) {
}
//Display Information from external information providers.
Map<String, Map<Object, Object>> properties = new HashMap<>();
if (infoProviders != null) {
// dump all properties to Map, KARAF-425
for (InfoProvider provider : infoProviders) {
if (!properties.containsKey(provider.getName())) {
properties.put(provider.getName(), new Properties());
}
properties.get(provider.getName()).putAll(provider.getProperties());
}
List<String> sections = new ArrayList<>(properties.keySet());
Collections.sort(sections);
for (String section : sections) {
List<Object> keys = new ArrayList<>(properties.get(section).keySet());
if (keys.size() > 0) {
System.out.println(section);
keys.sort(Comparator.comparing(String::valueOf));
for (Object key : keys) {
printValue(String.valueOf(key), maxNameLen, String.valueOf(properties.get(section).get(key)));
}
}
}
}
return null;
}
use of org.apache.karaf.shell.commands.info.InfoProvider in project karaf by apache.
the class InfoBundleTrackerCustomizer method addingBundle.
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
public ServiceRegistration<InfoProvider> addingBundle(Bundle bundle, BundleEvent event) {
Dictionary headers = bundle.getHeaders();
String headerEntry = (String) headers.get("Karaf-Info");
InfoProvider provider = createInfo(headerEntry);
if (provider == null) {
if (logger.isDebugEnabled()) {
logger.debug("Ignore incorrect info {} provided by bundle {}", headerEntry, bundle.getSymbolicName());
}
return null;
}
return bundle.getBundleContext().registerService(InfoProvider.class, provider, null);
}
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