Revision: 5338
http://jnode.svn.sourceforge.net/jnode/?rev=5338&view=rev
Author: chrisboertien
Date: 2009-04-23 20:26:36 +0000 (Thu, 23 Apr 2009)
Log Message:
-----------
TimeCommand, 2nd try
Modified Paths:
--------------
trunk/shell/descriptors/org.jnode.shell.command.xml
Added Paths:
-----------
trunk/shell/src/shell/org/jnode/shell/command/TimeCommand.java
Modified: trunk/shell/descriptors/org.jnode.shell.command.xml
===================================================================
--- trunk/shell/descriptors/org.jnode.shell.command.xml 2009-04-23 13:54:52 UTC
(rev 5337)
+++ trunk/shell/descriptors/org.jnode.shell.command.xml 2009-04-23 20:26:36 UTC
(rev 5338)
@@ -52,6 +52,7 @@
<alias name="syntax" class="org.jnode.shell.command.SyntaxCommand"/>
<alias name="tail" class="org.jnode.shell.command.TailCommand"/>
<alias name="terminate" class="org.jnode.shell.command.TerminateCommand"/>
+ <alias name="time" class="org.jnode.shell.command.TimeCommand"/>
<alias name="thread" class="org.jnode.shell.command.ThreadCommand"/>
<alias name="uptime" class="org.jnode.shell.command.UptimeCommand"/>
</extension>
@@ -427,6 +428,12 @@
</optional>
<argument argLabel="threadName" description="Display the named Thread"/>
</syntax>
+ <syntax alias="time" description="Measures command execution time">
+ <sequence>
+ <argument argLabel="alias"/>
+ <repeat><argument argLabel="args"/></repeat>
+ </sequence>
+ </syntax>
</extension>
<extension point="org.jnode.security.permissions">
Added: trunk/shell/src/shell/org/jnode/shell/command/TimeCommand.java
===================================================================
--- trunk/shell/src/shell/org/jnode/shell/command/TimeCommand.java
(rev 0)
+++ trunk/shell/src/shell/org/jnode/shell/command/TimeCommand.java
2009-04-23 20:26:36 UTC (rev 5338)
@@ -0,0 +1,100 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2003-2009 JNode.org
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; If not, write to the Free Software Foundation,
Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+package org.jnode.shell.command;
+
+import java.io.PrintWriter;
+import org.jnode.shell.AbstractCommand;
+import org.jnode.shell.SimpleCommandInvoker;
+import org.jnode.shell.CommandLine;
+import org.jnode.shell.CommandShell;
+import org.jnode.shell.ShellUtils;
+import org.jnode.shell.CommandInfo;
+import org.jnode.shell.ShellException;
+import org.jnode.shell.io.CommandIO;
+import org.jnode.shell.syntax.Argument;
+import org.jnode.shell.syntax.StringArgument;
+import org.jnode.shell.syntax.AliasArgument;
+import org.jnode.vm.VmSystem;
+
+/**
+ * Measures how much execution of time command takes
+ * <p/>
+ * Date: Apr 16, 2009
+ * Time: 9:18:45 PM
+ *
+ * @author petr...@gmail.com
+ */
+public class TimeCommand extends AbstractCommand {
+
+ /* for i18n */
+ private final static String TIME_COMMAND_START = "\nstart: %d\n";
+ private final static String TIME_COMMAND_END = "end : %d\n";
+ private final static String TIME_COMMAND_DIFF = " %d\n";
+
+ private final AliasArgument ARG_CMD =
+ new AliasArgument("alias", Argument.MANDATORY, "command to be run");
+
+ private final StringArgument ARG_PARAMS =
+ new StringArgument("args", Argument.MULTIPLE, "command parameters");
+
+ public TimeCommand() {
+ super("Measures execution time of command");
+ registerArguments(ARG_CMD, ARG_PARAMS);
+ }
+
+ public static void main(String[] args) throws Exception {
+ new TimeCommand().execute(args);
+ }
+
+ public void execute() throws Exception {
+ PrintWriter out = getOutput().getPrintWriter();
+ PrintWriter err = getError().getPrintWriter();
+
+ String alias = ARG_CMD.getValue();
+ String[] args = ARG_PARAMS.getValues();
+
+ CommandIO[] ios = new CommandIO[4];
+ ios[0] = getIO(0);
+ ios[1] = getIO(1);
+ ios[2] = getIO(2);
+ ios[3] = getIO(3);
+
+ CommandLine commandLine = new CommandLine(alias, args, ios);
+
+ CommandShell shell = null;
+ try {
+ shell = (CommandShell)
ShellUtils.getShellManager().getCurrentShell();
+
+ CommandInfo cmdInfo = shell.getCommandInfo(alias);
+ SimpleCommandInvoker invoker = shell.getDefaultCommandInvoker();
+ long start = VmSystem.currentKernelMillis();
+ int ret = invoker.invoke(commandLine, cmdInfo);
+ long end = VmSystem.currentKernelMillis();
+ out.format(TIME_COMMAND_START, start);
+ out.format(TIME_COMMAND_END, end);
+ out.format(TIME_COMMAND_DIFF, end - start);
+
+ } catch (ShellException ex) {
+ err.println(ex.getMessage());
+ throw ex;
+ }
+ }
+
+}
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