org.rhq.enterprise.agent.promptcmd.DebugPromptCommand Maven / Gradle / Ivy
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/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.agent.promptcmd;
import gnu.getopt.Getopt;
import gnu.getopt.LongOpt;
import java.io.PrintWriter;
import java.lang.management.ManagementFactory;
import java.lang.management.ThreadInfo;
import java.lang.management.ThreadMXBean;
import mazz.i18n.Msg;
import org.apache.log4j.LogManager;
import org.rhq.core.util.exception.ThrowableUtil;
import org.rhq.enterprise.agent.AgentMain;
import org.rhq.enterprise.agent.i18n.AgentI18NFactory;
import org.rhq.enterprise.agent.i18n.AgentI18NResourceKeys;
import org.rhq.enterprise.communications.util.CommandTraceUtil;
/**
* Performs various things to help debug the agent.
*
* @author John Mazzitelli
*/
public class DebugPromptCommand implements AgentPromptCommand {
private static final Msg MSG = AgentI18NFactory.getMsg();
/**
* @see AgentPromptCommand#getPromptCommandString()
*/
public String getPromptCommandString() {
return MSG.getMsg(AgentI18NResourceKeys.DEBUG);
}
/**
* @see AgentPromptCommand#execute(AgentMain, String[])
*/
public boolean execute(AgentMain agent, String[] args) {
processArguments(agent, args);
return true;
}
/**
* @see AgentPromptCommand#getSyntax()
*/
public String getSyntax() {
return MSG.getMsg(AgentI18NResourceKeys.DEBUG_SYNTAX);
}
/**
* @see AgentPromptCommand#getHelp()
*/
public String getHelp() {
return MSG.getMsg(AgentI18NResourceKeys.DEBUG_HELP);
}
/**
* @see AgentPromptCommand#getDetailedHelp()
*/
public String getDetailedHelp() {
return MSG.getMsg(AgentI18NResourceKeys.DEBUG_DETAILED_HELP);
}
private void processArguments(AgentMain agent, String[] args) {
PrintWriter out = agent.getOut();
if (args.length <= 1) {
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
return;
}
String sopts = "tdec:f:";
LongOpt[] lopts = { new LongOpt("comm", LongOpt.REQUIRED_ARGUMENT, null, 'c'), // trace comm messages
new LongOpt("threaddump", LongOpt.NO_ARGUMENT, null, 't'), // dump thread stacks
new LongOpt("enable", LongOpt.NO_ARGUMENT, null, 'e'), // shorthand for -f log4j-debug.xml
new LongOpt("disable", LongOpt.NO_ARGUMENT, null, 'd'), // shorthand for -f log4j.xml
new LongOpt("file", LongOpt.REQUIRED_ARGUMENT, null, 'f') }; // reconfigure with new log file
Getopt getopt = new Getopt(getPromptCommandString(), args, sopts, lopts);
int code;
while ((code = getopt.getopt()) != -1) {
switch (code) {
case ':':
case '?':
case 1: {
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
break;
}
case 'c': {
String flag = getopt.getOptarg();
boolean flagBoolean = Boolean.parseBoolean(flag);
agent.agentServerCommunicationsTrace(flagBoolean);
if (flagBoolean) {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CMD_TRACING_ENABLED, //
CommandTraceUtil.getSettingTraceCommandConfig(), //
CommandTraceUtil.getSettingTraceCommandResponseResults(), //
CommandTraceUtil.getSettingTraceCommandSizeThreshold(), //
CommandTraceUtil.getSettingTraceCommandResponseSizeThreshold()));
} else {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CMD_TRACING_DISABLED));
}
break;
}
case 'd': {
String file = "log4j.xml";
try {
agent.hotDeployLogConfigurationFile(file);
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_LOG_FILE_LOADED, file, LogManager
.getRootLogger().getLevel()));
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CANNOT_LOAD_LOG_FILE, file, ThrowableUtil
.getAllMessages(e)));
}
break;
}
case 'e': {
String file = "log4j-debug.xml";
try {
agent.hotDeployLogConfigurationFile(file);
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_LOG_FILE_LOADED, file, LogManager
.getRootLogger().getLevel()));
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CANNOT_LOAD_LOG_FILE, file, ThrowableUtil
.getAllMessages(e)));
}
break;
}
case 'f': {
String file = getopt.getOptarg();
try {
agent.hotDeployLogConfigurationFile(file);
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_LOG_FILE_LOADED, file, LogManager
.getRootLogger().getLevel()));
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CANNOT_LOAD_LOG_FILE, file, ThrowableUtil
.getAllMessages(e)));
}
break;
}
case 't': {
try {
// TODO: Once we drop support for Java 5, we can use ThreadMXBean.dumpAllThreads(false, false)
// (introduced in Java 6) here instead.
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
long[] allIds = threadMXBean.getAllThreadIds();
ThreadInfo[] allInfo = threadMXBean.getThreadInfo(allIds, 256);
for (ThreadInfo threadInfo : allInfo) {
if (threadInfo != null) {
out.println(threadInfo);
}
}
} catch (Exception e) {
out.println(MSG.getMsg(AgentI18NResourceKeys.DEBUG_CANNOT_DUMP_THREADS, ThrowableUtil
.getAllMessages(e)));
}
break;
}
}
}
if ((getopt.getOptind() + 1) < args.length) {
out.println(MSG.getMsg(AgentI18NResourceKeys.HELP_SYNTAX_LABEL, getSyntax()));
}
return;
}
}