/*
* Copyright (c) 2001 Sun Microsystems, Inc. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Sun Microsystems, Inc. for Project JXTA."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA",
* nor may "JXTA" appear in their name, without prior written
* permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL SUN MICROSYSTEMS OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of Project JXTA. For more
* information on Project JXTA, please see
* <http://www.jxta.org/>.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*
* $Id: peerinfo.java,v 1.15 2007/02/09 23:12:42 hamada Exp $
*/
package net.jxta.impl.shell.bin.peerinfo;
import net.jxta.impl.shell.GetOpt;
import net.jxta.impl.shell.ShellApp;
import net.jxta.impl.shell.ShellEnv;
import net.jxta.impl.shell.ShellObject;
import net.jxta.meter.MonitorResources;
import net.jxta.meter.PeerMonitorInfo;
import net.jxta.meter.PeerMonitorInfoEvent;
import net.jxta.meter.PeerMonitorInfoListener;
import net.jxta.peer.PeerID;
import net.jxta.peer.PeerInfoService;
import net.jxta.platform.ModuleClassID;
import net.jxta.protocol.PeerAdvertisement;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* peerinfo command gets information about peers locally and remote
*/
public class peerinfo extends ShellApp {
private PeerInfoService peerInfoService = null;
public peerinfo() {
}
@Override
public void stopApp() {
}
public int startApp(String[] args) {
PeerID peerID = null;
String peerName = null;
ShellEnv env = getEnv();
peerInfoService = getGroup().getPeerInfoService();
GetOpt getopt = new GetOpt(args, "p:");
try {
for (; ;) {
int option = getopt.getNextOption();
if (option < 0)
break;
switch (option) {
case'p':
String varName = getopt.getOptionArg();
ShellObject shellObject = env.get(varName);
if (shellObject == null) {
println(varName + " is not an shell environment variable name");
return ShellApp.appMiscError;
}
Object obj = shellObject.getObject();
if (obj instanceof PeerAdvertisement) {
PeerAdvertisement peerAdvertisement = (PeerAdvertisement) obj;
peerID = peerAdvertisement.getPeerID();
peerName = peerAdvertisement.getName();
} else {
println(varName + " does not contain a PeerAdvertisement");
return ShellApp.appMiscError;
}
break;
default:
println("Error: peerinfo this should have never happened");
}
}
} catch (Exception ex) {
println("Illegal option");
help();
}
try {
if (peerID == null) {
PeerMonitorInfo peerMonitorInfo = peerInfoService.getPeerMonitorInfo();
printPeerMonitorInfo("Local", peerMonitorInfo);
} else {
getRemotePeerInfo(peerName, peerID);
}
return ShellApp.appNoError;
} catch (Throwable caught) {
StringWriter theStackTrace = new StringWriter();
caught.printStackTrace(new PrintWriter(theStackTrace));
print(theStackTrace.toString());
return ShellApp.appMiscError;
}
}
private void getRemotePeerInfo(final String name, final PeerID peerID) {
try {
Thread timer = new Thread(new Runnable() {
long timeout = 30000;
boolean done;
PeerMonitorInfo peerMonitorInfo;
public void run() {
try {
PeerMonitorInfoListener peerMonitorInfoListener = new PeerMonitorInfoListener() {
public void peerMonitorInfoReceived(PeerMonitorInfoEvent evt) {
peerMonitorInfo = evt.getPeerMonitorInfo();
done = true;
}
public void peerMonitorInfoNotReceived(PeerMonitorInfoEvent peerMonitorInfoEvent) {
done = true;
}
};
peerInfoService.getPeerMonitorInfo(peerID, peerMonitorInfoListener, timeout);
for (int i = 0; ; i++) {
if (!done) {
Thread.sleep(500);
if (i == 0)
print("Waiting for remote Peer Montoring Info ");
else if ((i % 2) == 1)
print(".");
} else
break;
}
println("");
if (peerMonitorInfo != null)
printPeerMonitorInfo(name, peerMonitorInfo);
else
print("No response, unable to get PeerMonitorInfo");
} catch (Exception e) {
println("This should never happen");
}
}
});
timer.start();
timer.join();
} catch (InterruptedException e) {
}
}
private void printPeerMonitorInfo(String label, PeerMonitorInfo peerMonitorInfo) {
boolean allowsMonitoring = peerMonitorInfo.allowsMonitoring();
println("");
println("Peer Monitoring Info For: " + label);
println("");
println(" Monitoring Enabled: " + allowsMonitoring);
println(" Running Time: " + formatDuration(peerMonitorInfo.getRunningTime()));
println(" Up Date: " + formatDate(peerMonitorInfo.getLastResetTime()));
if (allowsMonitoring) {
println("");
ModuleClassID moduleClassIDs[] = peerMonitorInfo.getModuleClassIDs();
if (moduleClassIDs.length == 0) {
println(" No Registered Service Monitors");
} else {
for (ModuleClassID moduleClassID : moduleClassIDs) {
String name = MonitorResources.getMonitorTypeName(moduleClassID);
if (name == null)
name = moduleClassID.toString();
println(" " + name + " Monitoring Available");
}
}
}
}
@Override
public String getDescription() {
return "Get information about peers";
}
@Override
public void help() {
println("NAME");
println(" peerinfo - get information about peers ");
println(" ");
println("SYNOPSIS");
println(" peerinfo ");
println(" [-p <peerEnv variable>] ");
println(" ");
println("DESCRIPTION");
println(" ");
println("Use this to get monitoring information about this peer or remote");
println("peers in this group");
println(" ");
println("OPTIONS");
println("-p peerid");
println(" gets peer info for a remote peer ");
println(" ");
println("EXAMPLE");
println(" ");
println(" JXTA>peerinfo -p peer2");
println(" ");
println(" Get info about peer2");
println(" ");
println("SEE ALSO");
println(" ");
}
/// UTILTIES CUT/PASTE from MONITOR APPLICATION
private static final DecimalFormat secondFormat = new DecimalFormat("00.0");
private static final DecimalFormat fullTwoDigitFormat = new DecimalFormat("00");
private static DateFormat timeFormatter = new SimpleDateFormat("hh:mm:ss aa");
private static DateFormat dateFormatter = new SimpleDateFormat("MM/dd hh:mm:ss aa");
public static final String UNSET_TIME = "<N/A>";
public static final String UNSET_DATE = "<N/A>";
public static String formatDuration(long duration) {
long min = duration / 60000;
long hours = duration / 3600000;
double sec = ((double) (duration % 60000)) / 1000.0;
min = min % 60;
return hours + ":" + fullTwoDigitFormat.format(min) + ":" + secondFormat.format(sec);
}
public static String formatTime(long time) {
if (time == 0)
return UNSET_TIME;
else
return timeFormatter.format(new Date(time));
}
public static String formatDate(long date) {
if (date == 0)
return UNSET_DATE;
else
return dateFormatter.format(new Date(date));
}
}