/*
* Copyright (c) 2006 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.ResourceLimit;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.jmx.SigarInvokerJMX;
/**
* Display system resource limits.
*/
public class Ulimit extends SigarCommandBase {
private SigarInvokerJMX invoker;
private String mode;
public Ulimit(Shell shell) {
super(shell);
}
public Ulimit() {
super();
}
public String getUsageShort() {
return "Display system resource limits";
}
protected boolean validateArgs(String[] args) {
return true;
}
private static String format(long val) {
if (val == ResourceLimit.INFINITY()) {
return "unlimited";
}
else {
return String.valueOf(val);
}
}
private String getValue(String attr)
throws SigarException {
Long val = (Long)this.invoker.invoke(attr + this.mode);
return format(val.longValue());
}
public void output(String[] args) throws SigarException {
this.mode = "Cur";
this.invoker =
SigarInvokerJMX.getInstance(this.proxy, "Type=ResourceLimit");
for (int i=0; i<args.length; i++) {
String arg = args[i];
if (arg.equals("-H")) {
this.mode = "Max";
}
else if (arg.equals("-S")) {
this.mode = "Cur";
}
else {
throw new SigarException("Unknown argument: " + arg);
}
}
println("core file size......." + getValue("Core"));
println("data seg size........" + getValue("Data"));
println("file size............" + getValue("FileSize"));
println("pipe size............" + getValue("PipeSize"));
println("max memory size......" + getValue("Memory"));
println("open files..........." + getValue("OpenFiles"));
println("stack size..........." + getValue("Stack"));
println("cpu time............." + getValue("Cpu"));
println("max user processes..." + getValue("Processes"));
println("virtual memory......." + getValue("VirtualMemory"));
}
public static void main(String[] args) throws Exception {
new Ulimit().processCommand(args);
}
}