/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.geronimo.gshell.commands.builtins;
import java.lang.management.ClassLoadingMXBean;
import java.lang.management.GarbageCollectorMXBean;
import java.lang.management.ManagementFactory;
import java.lang.management.MemoryMXBean;
import java.lang.management.OperatingSystemMXBean;
import java.lang.management.RuntimeMXBean;
import java.lang.management.ThreadMXBean;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.HashMap;
import java.util.Map;
import org.apache.geronimo.gshell.ansi.Code;
import org.apache.geronimo.gshell.ansi.Renderer;
import org.apache.geronimo.gshell.branding.Branding;
import org.apache.geronimo.gshell.command.annotation.CommandComponent;
import org.apache.geronimo.gshell.command.annotation.Requirement;
import org.apache.geronimo.gshell.support.OsgiCommandSupport;
import org.codehaus.plexus.util.StringUtils;
/**
* Display environmental informations
*/
@CommandComponent(id="gshell-builtins:info", description="Show system informations")
public class InfoCommand
extends OsgiCommandSupport
{
@Requirement
private Branding branding;
private Renderer renderer = new Renderer();
private NumberFormat fmtI = new DecimalFormat("###,###");
private NumberFormat fmtD = new DecimalFormat("###,##0.000");
public InfoCommand(Branding branding) {
this.branding = branding;
}
@Override
protected OsgiCommandSupport createCommand() throws Exception {
return new InfoCommand(branding);
}
@Override
protected Object doExecute() throws Exception {
int maxNameLen;
String name;
Map<String, String> props = new HashMap<String, String>();
RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
ThreadMXBean threads = ManagementFactory.getThreadMXBean();
MemoryMXBean mem = ManagementFactory.getMemoryMXBean();
ClassLoadingMXBean cl = ManagementFactory.getClassLoadingMXBean();
//
// print ServiceMix informations
//
maxNameLen = 25;
io.out.println("ServiceMix");
printValue("ServiceMix home", maxNameLen, System.getProperty("servicemix.home"));
printValue("ServiceMix base", maxNameLen, System.getProperty("servicemix.base"));
printValue("ServiceMix version", maxNameLen, branding.getVersion());
io.out.println();
io.out.println("JVM");
printValue("Java Virtual Machine", maxNameLen, runtime.getVmName() + " version " + runtime.getVmVersion());
printValue("Vendor", maxNameLen, runtime.getVmVendor());
printValue("Uptime", maxNameLen, printDuration(runtime.getUptime()));
try {
com.sun.management.OperatingSystemMXBean sunOs = (com.sun.management.OperatingSystemMXBean) os;
printValue("Process CPU time", maxNameLen, printDuration(sunOs.getProcessCpuTime() / 1000000));
printValue("Total compile time", maxNameLen, printDuration(ManagementFactory.getCompilationMXBean().getTotalCompilationTime()));
} catch (Throwable t) {}
io.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()));
io.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);
}
io.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()));
io.out.println("Operating system");
printValue("Name", maxNameLen, os.getName() + " version " + os.getVersion());
printValue("Architecture", maxNameLen, os.getArch());
printValue("Processrors", maxNameLen, Integer.toString(os.getAvailableProcessors()));
try {
com.sun.management.OperatingSystemMXBean sunOs = (com.sun.management.OperatingSystemMXBean) os;
printValue("Total physical memory", maxNameLen, printSizeInKb(sunOs.getTotalPhysicalMemorySize()));
printValue("Free physical memory", maxNameLen, printSizeInKb(sunOs.getFreePhysicalMemorySize()));
printValue("Committed virtual memory", maxNameLen, printSizeInKb(sunOs.getCommittedVirtualMemorySize()));
printValue("Total swap space", maxNameLen, printSizeInKb(sunOs.getTotalSwapSpaceSize()));
printValue("Free swap space", maxNameLen, printSizeInKb(sunOs.getFreeSwapSpaceSize()));
} catch (Throwable t) {}
return null;
}
private String printLong(long i) {
return fmtI.format(i);
}
private String printSizeInKb(double size) {
return fmtI.format((long) (size / 1024)) + " kbytes";
}
private String printDuration(double uptime) {
uptime /= 1000;
if (uptime < 60) {
return fmtD.format(uptime) + " seconds";
}
uptime /= 60;
if (uptime < 60) {
long minutes = (long) uptime;
String s = fmtI.format(minutes) + (minutes > 1 ? " minutes" : " minute");
return s;
}
uptime /= 60;
if (uptime < 24) {
long hours = (long) uptime;
long minutes = (long) ((uptime - hours) * 60);
String s = fmtI.format(hours) + (hours > 1 ? " hours" : " hour");
if (minutes != 0) {
s += " " + fmtI.format(minutes) + (minutes > 1 ? " minutes" : "minute");
}
return s;
}
uptime /= 24;
long days = (long) uptime;
long hours = (long) ((uptime - days) * 60);
String s = fmtI.format(days) + (days > 1 ? " days" : " day");
if (hours != 0) {
s += " " + fmtI.format(hours) + (hours > 1 ? " hours" : "hour");
}
return s;
}
void printSysValue(String prop, int pad) {
printValue(prop, pad, System.getProperty(prop));
}
void printValue(String name, int pad, String value) {
io.out.println(" " + renderer.render(Renderer.encode(StringUtils.rightPad(name, pad), Code.BOLD)) + " " + value);
}
}