/*
* Copyright (c) 2006-2007 Hyperic, Inc.
*
* Licensed 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.hyperic.sigar.cmd;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarProxy;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.ProcCredName;
import org.hyperic.sigar.ProcMem;
import org.hyperic.sigar.ProcTime;
import org.hyperic.sigar.ProcState;
import org.hyperic.sigar.ProcUtil;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Show process status.
*/
public class Ps extends SigarCommandBase {
public Ps(Shell shell) {
super(shell);
}
public Ps() {
super();
}
protected boolean validateArgs(String[] args) {
return true;
}
public String getSyntaxArgs() {
return "[pid|query]";
}
public String getUsageShort() {
return "Show process status";
}
public boolean isPidCompleter() {
return true;
}
public void output(String[] args) throws SigarException {
long[] pids;
if (args.length == 0) {
pids = this.proxy.getProcList();
}
else {
pids = this.shell.findPids(args);
}
for (int i=0; i<pids.length; i++) {
long pid = pids[i];
try {
output(pid);
} catch (SigarException e) {
this.err.println("Exception getting process info for " +
pid + ": " + e.getMessage());
}
}
}
public static String join(List info) {
StringBuffer buf = new StringBuffer();
Iterator i = info.iterator();
boolean hasNext = i.hasNext();
while (hasNext) {
buf.append((String)i.next());
hasNext = i.hasNext();
if (hasNext)
buf.append("\t");
}
return buf.toString();
}
public static List getInfo(SigarProxy sigar, long pid)
throws SigarException {
ProcState state = sigar.getProcState(pid);
ProcTime time = null;
String unknown = "???";
List info = new ArrayList();
info.add(String.valueOf(pid));
try {
ProcCredName cred = sigar.getProcCredName(pid);
info.add(cred.getUser());
} catch (SigarException e) {
info.add(unknown);
}
try {
time = sigar.getProcTime(pid);
info.add(getStartTime(time.getStartTime()));
} catch (SigarException e) {
info.add(unknown);
}
try {
ProcMem mem = sigar.getProcMem(pid);
info.add(Sigar.formatSize(mem.getSize()));
info.add(Sigar.formatSize(mem.getRss()));
info.add(Sigar.formatSize(mem.getShare()));
} catch (SigarException e) {
info.add(unknown);
}
info.add(String.valueOf(state.getState()));
if (time != null) {
info.add(getCpuTime(time));
}
else {
info.add(unknown);
}
String name = ProcUtil.getDescription(sigar, pid);
info.add(name);
return info;
}
public void output(long pid) throws SigarException {
println(join(getInfo(this.proxy, pid)));
}
public static String getCpuTime(long total) {
long t = total / 1000;
return t/60 + ":" + t%60;
}
public static String getCpuTime(ProcTime time) {
return getCpuTime(time.getTotal());
}
private static String getStartTime(long time) {
if (time == 0) {
return "00:00";
}
long timeNow = System.currentTimeMillis();
String fmt = "MMMd";
if ((timeNow - time) < ((60*60*24) * 1000)) {
fmt = "HH:mm";
}
return new SimpleDateFormat(fmt).format(new Date(time));
}
public static void main(String[] args) throws Exception {
new Ps().processCommand(args);
}
}