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Micro Distribution of the Payara Project for IBM JDK
/*
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*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
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*
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* Portions Copyright [2017] [Payara Foundation and/or its affiliates]
*/
package com.sun.enterprise.admin.servermgmt.cli;
import com.sun.enterprise.admin.cli.CLIConstants;
import com.sun.enterprise.admin.cli.remote.DASUtils;
import com.sun.enterprise.admin.cli.remote.RemoteCLICommand;
import com.sun.enterprise.universal.process.ProcessUtils;
import com.sun.enterprise.util.io.FileUtils;
import java.io.File;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.*;
/**
* The stop-domain command.
*
* @author Byron Nevins
* @author Bill Shannon
*/
@Service(name = "stop-domain")
@PerLookup
public class StopDomainCommand extends LocalDomainCommand {
@Param(name = "domain_name", primary = true, optional = true)
private String userArgDomainName;
@Param(name = "force", optional = true, defaultValue = "true")
Boolean force;
@Param(optional = true, defaultValue = "false")
Boolean kill;
private static final long WAIT_FOR_DAS_TIME_MS = 60000; // 1 minute
@Override
protected void validate()
throws CommandException {
setDomainName(userArgDomainName);
super.validate(); // which calls initDomain() !!
}
/**
* Override initDomain in LocalDomainCommand to only initialize
* the local domain information (name, directory) in the local
* case, when no --host has been specified.
*/
@Override
protected void initDomain() throws CommandException {
// only initialize local domain information if it's a local operation
// TODO Byron said in April 2013 that we should probably just check if
// NetUtils says that the getHost() --> isThisMe() rather than merely
// checking for the magic "localhost" string. Too risky to fool with it today.
if (programOpts.getHost().equals(CLIConstants.DEFAULT_HOSTNAME)) {
super.initDomain();
} else if (userArgDomainName != null) { // remote case
throw new CommandException(
Strings.get("StopDomain.noDomainNameAllowed"));
}
}
@Override
protected int executeCommand()
throws CommandException {
if (isLocal()) {
// if the local password isn't available, the domain isn't running
// (localPassword is set by initDomain)
if (getServerDirs().getLocalPassword() == null){
return dasNotRunning();
}
programOpts.setHostAndPort(getAdminAddress());
logger.finer("Stopping local domain on port "
+ programOpts.getPort());
/*
* If we're using the local password, we don't want to prompt
* for a new password. If the local password doesn't work it
* most likely means we're talking to the wrong server.
*/
programOpts.setInteractive(false);
// in the local case, make sure we're talking to the correct DAS
if (!isThisDAS(getDomainRootDir()))
return dasNotRunning();
logger.finer("It's the correct DAS");
}
else { // remote
// Verify that the DAS is running and reachable
if (!DASUtils.pingDASQuietly(programOpts, env))
return dasNotRunning();
logger.finer("DAS is running");
programOpts.setInteractive(false);
}
/*
* At this point any options will have been prompted for, and
* the password will have been prompted for by pingDASQuietly,
* so even if the password is wrong we don't want any more
* prompting here.
*/
doCommand();
return 0;
}
/**
* Print message and return exit code when
* we detect that the DAS is not running.
*/
protected int dasNotRunning() throws CommandException {
if (kill) {
if (isLocal())
return kill();
else // remote. We can NOT kill and we can't ask it to kill itself.
throw new CommandException(Strings.get("StopDomain.dasNotRunningRemotely"));
}
// by definition this is not an error
// https://glassfish.dev.java.net/issues/show_bug.cgi?id=8387
if (isLocal())
logger.warning(Strings.get("StopDomain.dasNotRunning", getDomainRootDir()));
else
logger.warning(Strings.get("StopDomain.dasNotRunningRemotely"));
return 0;
}
/**
* Execute the actual stop-domain command.
*/
protected void doCommand() throws CommandException {
// run the remote stop-domain command and throw away the output
RemoteCLICommand cmd = new RemoteCLICommand(getName(), programOpts, env);
try {
cmd.executeAndReturnOutput("stop-domain", "--force", force.toString());
} catch (Exception e) {
// The domain server may have died so fast we didn't have time to
// get the (always successful!!) return data. This is NOT AN ERROR!
// see: http://java.net/jira/browse/GLASSFISH-19672
}
try {
waitForDeath();
} catch (CommandException ex) {
if (kill && isLocal()) {
kill();
} else {
throw ex;
}
}
}
/**
* Wait for the server to die.
*/
protected void waitForDeath() throws CommandException {
if (!programOpts.isTerse()) {
// use stdout because logger always appends a newline
System.out.print(Strings.get("StopDomain.WaitDASDeath") + " ");
}
long startWait = System.currentTimeMillis();
boolean alive = true;
int count = 0;
while (!timedOut(startWait)) {
if (!isRunning()) {
alive = false;
break;
}
try {
Thread.sleep(100);
if (!programOpts.isTerse() && count++ % 10 == 0)
System.out.print(".");
}
catch (InterruptedException ex) {
// don't care
}
}
if (!programOpts.isTerse())
System.out.println();
if (alive) {
throw new CommandException(Strings.get("StopDomain.DASNotDead",
(WAIT_FOR_DAS_TIME_MS / 1000)));
}
}
private boolean timedOut(long startTime) {
return (System.currentTimeMillis() - startTime) > WAIT_FOR_DAS_TIME_MS;
}
protected int kill() throws CommandException {
File prevPid = null;
String pids = null;
try {
prevPid = new File(getServerDirs().getPidFile().getPath() + ".prev");
if (!prevPid.canRead())
throw new CommandException(Strings.get("StopDomain.nopidprev", prevPid));
pids = FileUtils.readSmallFile(prevPid).trim();
String s = ProcessUtils.kill(Integer.parseInt(pids));
if(s != null)
logger.finer(s);
}
catch (CommandException ce) {
throw ce;
}
catch (Exception ex) {
throw new CommandException(Strings.get("StopDomain.pidprevreaderror",
prevPid, ex.getMessage()));
}
return 0;
}
}
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