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/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.handlers;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.CommandLineException;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.impl.ArgumentWithValue;
import org.jboss.as.cli.impl.CLIModelControllerClient;
import org.jboss.as.cli.impl.CommaSeparatedCompleter;
import org.jboss.as.cli.operation.ParsedCommandLine;
import org.jboss.as.controller.client.ModelControllerClient;
import org.jboss.as.protocol.StreamUtils;
import org.jboss.dmr.ModelNode;
/**
* @author Alexey Loubyansky
*
*/
public class ShutdownHandler extends BaseOperationCommand {
private final ArgumentWithValue restart;
private final ArgumentWithValue host;
public ShutdownHandler(CommandContext ctx) {
super(ctx, "shutdown", true);
restart = new ArgumentWithValue(this, SimpleTabCompleter.BOOLEAN, "--restart");
host = new ArgumentWithValue(this, new CommaSeparatedCompleter() {
@Override
protected Collection getAllCandidates(CommandContext ctx) {
if(!ctx.isDomainMode()) {
return Collections.emptyList();
}
final ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
return Collections.emptyList();
}
final ModelNode op = new ModelNode();
op.get(Util.ADDRESS).setEmptyList();
op.get(Util.OPERATION).set(Util.READ_CHILDREN_NAMES);
op.get(Util.CHILD_TYPE).set(Util.HOST);
try {
ModelNode outcome = client.execute(op);
if (Util.isSuccess(outcome)) {
return Util.getList(outcome);
}
} catch (Exception e) {
}
return Collections.emptyList();
}} , "--host") {
@Override
public boolean canAppearNext(CommandContext ctx) throws CommandFormatException {
if(!ctx.isDomainMode()) {
return false;
}
return super.canAppearNext(ctx);
}
};
}
/* (non-Javadoc)
* @see org.jboss.as.cli.handlers.CommandHandlerWithHelp#doHandle(org.jboss.as.cli.CommandContext)
*/
@Override
protected void doHandle(CommandContext ctx) throws CommandLineException {
final ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
throw new CommandLineException("Connection is now available.");
}
if(!(client instanceof CLIModelControllerClient)) {
throw new CommandLineException("Unsupported ModelControllerClient implementation " + client.getClass().getName());
}
final CLIModelControllerClient cliClient = (CLIModelControllerClient) client;
final ModelNode op = this.buildRequestWithoutHeaders(ctx);
try {
final ModelNode response = cliClient.execute(op, true);
if(!Util.isSuccess(response)) {
throw new CommandLineException(Util.getFailureDescription(response));
}
} catch(IOException e) {
// if it's not connected, it's assumed the connection has already been shutdown
if(cliClient.isConnected()) {
StreamUtils.safeClose(cliClient);
throw new CommandLineException("Failed to execute :shutdown", e);
}
}
final String restartValue = restart.getValue(ctx.getParsedCommandLine());
if (restartValue == null || !Util.TRUE.equals(restartValue)) {
ctx.disconnectController();
} else {
// if I try to reconnect immediately, it'll hang for 5 sec
// which the default connection timeout for model controller client
// waiting half a sec on my machine works perfectly
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
throw new CommandLineException("Interrupted while pausing before reconnecting.", e);
}
try {
cliClient.ensureConnected(ctx.getConfig().getConnectionTimeout() + 1000);
} catch(CommandLineException e) {
ctx.disconnectController();
throw e;
}
}
}
@Override
protected ModelNode buildRequestWithoutHeaders(CommandContext ctx) throws CommandFormatException {
final ModelNode op = new ModelNode();
final ParsedCommandLine args = ctx.getParsedCommandLine();
if(ctx.isDomainMode()) {
final String hostName = host.getValue(args);
if(hostName == null) {
throw new CommandFormatException("Missing required argument " + host.getFullName());
}
op.get(Util.ADDRESS).add(Util.HOST, hostName);
} else {
if(host.isPresent(args)) {
throw new CommandFormatException(host.getFullName() + " is not allowed in the standalone mode.");
}
op.get(Util.ADDRESS).setEmptyList();
}
op.get(Util.OPERATION).set("shutdown");
setBooleanArgument(args, op, restart, "restart");
return op;
}
protected void setBooleanArgument(final ParsedCommandLine args, final ModelNode op, ArgumentWithValue arg, String paramName)
throws CommandFormatException {
if(!arg.isPresent(args)) {
return;
}
final String value = arg.getValue(args);
if(value == null) {
throw new CommandFormatException(arg.getFullName() + " is missing value.");
}
if(value.equalsIgnoreCase(Util.TRUE)) {
op.get(paramName).set(true);
} else if(value.equalsIgnoreCase(Util.FALSE)) {
op.get(paramName).set(false);
} else {
throw new CommandFormatException("Invalid value for " + arg.getFullName() + ": '" + value + "'");
}
}
}
