/*
   Copyright (C) 2003-2006 MySQL AB
    All rights reserved. Use is subject to license terms.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/


#include <string.h>
#include <NdbMain.h>
#include <OutputStream.hpp>
#include <NdbOut.hpp>
#include <NdbSleep.h>
#include <getarg.h>

#include <NdbRestarter.hpp>
#include <NDBT.hpp>

int main(int argc, const char** argv){
  ndb_init();

  const char* _hostName = NULL;
  int _loops = 10;
  int _wait = 15;
  int _help = 0;
#if 0
  int _crash = 0;
  int _abort = 0;
#endif

  struct getargs args[] = {
    { "seconds", 's', arg_integer, &_wait, "Seconds to wait between each restart(0=random)", "secs" },
    { "loops", 'l', arg_integer, &_loops, "Number of loops", "loops 0=forever"},
#if 0 
    // Not yet!
    { "abort", 'a', arg_flag, &_abort, "Restart abort"},
    { "crash", 'c', arg_flag, &_crash, "Crash instead of restart"},
#endif
    { "usage", '?', arg_flag, &_help, "Print help", "" }
    
  };
  int num_args = sizeof(args) / sizeof(args[0]);
  int optind = 0;
  char desc[] = 
    "hostname:port\n"\
    "This program will connect to the mgmsrv of a NDB cluster.\n"\
    "It will wait for all nodes to be started, then restart all nodes\n"\
    "into nostart state. Then after a random delay it will tell all nodes\n"\
    "to start. It will do this loop number of times\n";

  if(getarg(args, num_args, argc, argv, &optind) || _help) {
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }
  _hostName = argv[optind];
  
  NdbRestarter restarter(_hostName);
#if 0  
  if(_abort && _crash){
    g_err << "You can't specify both abort and crash" << endl;
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }
  if(_abort){
    restarter.setRestartType(NdbRestarter::AbortRestart);
  }
  if(_crash){
    restarter.setRestartType(NdbRestarter::Crash);
  }
#endif

  int l = 0;
  while (_loops == 0 || l<_loops){
    g_info << "Waiting for cluster to start" << endl;
    while(restarter.waitClusterStarted(120) != 0){
      g_warning << "Ndb failed to start in 2 minutes" << endl;
    }
    
    int seconds = _wait;
    if(seconds==0)
      seconds = (rand() % 120) + 1; // Create random value max 120 secs
    g_info << "Waiting for "<<seconds<<" secs" << endl;
    NdbSleep_SecSleep(seconds);

    g_info << l << ": restarting all nodes with nostart" << endl;
    const bool b = (restarter.restartAll(false, true, false) == 0);
    assert(b);
    
    g_info << "Waiting for cluster to enter nostart" << endl;
    while(restarter.waitClusterNoStart(120) != 0){
      g_warning << "Ndb failed to enter no start in 2 minutes" << endl;
    }

    seconds = _wait;
    if(seconds==0)
      seconds = (rand() % 120) + 1; // Create random value max 120 secs
    g_info << "Waiting for " <<seconds<<" secs" << endl;
    NdbSleep_SecSleep(seconds);

    g_info << l << ": Telling all nodes to start" << endl;
    const bool b2 = (restarter.startAll() == 0);
    assert(b2);

    l++;
  }

  return NDBT_ProgramExit(NDBT_OK);
}
