/*
 * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Alex Rojkov
 */

package com.caucho.boot;

import com.caucho.server.admin.ManagerClient;
import com.caucho.util.L10N;

/**
 * Makes the remote server produce heap dump. Heap dump is written to a file
 * local to a remote server as it can be big.
 */
public class HeapDumpCommand extends AbstractManagementCommand
{
  private static final L10N L = new L10N(HeapDumpCommand.class);

  @Override
  public int doCommand(WatchdogArgs args,
                       WatchdogClient client,
                       ManagerClient managerClient)
  {
    boolean raw = args.hasOption("-raw");

    String data = managerClient.doHeapDump(raw);

    System.out.println(data);

    return 0;
  }

  @Override
  public void usage()
  {
    System.err.println(L.l("usage: bin/resin.sh [-conf <file>] [-server <id>] heap-dump [-address <address>] [-port <port>] -user <user> -password <password> [-raw]"));
    System.err.println(L.l(""));
    System.err.println(L.l("description:"));
    System.err.println(L.l("   prints heap summary taken on remote server"));
    System.err.println(L.l(""));
    System.err.println(L.l("options:"));
    System.err.println(L.l("   -conf <file>          : resin configuration file"));
    System.err.println(L.l("   -server <id>          : id of a server"));
    System.err.println(L.l("   -address <address>    : ip or host name of the server"));
    System.err.println(L.l("   -port <port>          : server http port"));
    System.err.println(L.l("   -user <user>          : user name used for authentication to the server"));
    System.err.println(L.l("   -password <password>  : password used for authentication to the server"));
    System.err.println(L.l("   -raw                  : creates an hprof file"));
  }
}