/*
   Copyright (c) 2008, 2016, Oracle and/or its affiliates. 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, 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
*/

#define OPTEXPORT
#include <ndb_opts.h>

#include <ndb_version.h>
#ifdef HAVE_MY_DEFAULT_H
#include <my_default.h>
#endif

static void default_ndb_opt_short(void)
{
  ndb_short_usage_sub(NULL);
}

static void default_ndb_opt_usage(void)
{
  struct my_option my_long_options[] =
    {
      NDB_STD_OPTS("ndbapi_program")
    };
  const char *load_default_groups[]= { "mysql_cluster", 0 };

  ndb_usage(default_ndb_opt_short, load_default_groups, my_long_options);
}

static void (*g_ndb_opt_short_usage)(void)= default_ndb_opt_short;
static void (*g_ndb_opt_usage)(void)= default_ndb_opt_usage;

extern "C"
void ndb_opt_set_usage_funcs(void (*short_usage)(void),
                             void (*usage)(void))
{
  /* Check that the program name has been set already */
  assert(my_progname);

  if(short_usage)
    g_ndb_opt_short_usage= short_usage;
  if(usage)
    g_ndb_opt_usage= usage;
}

static inline
const char* ndb_progname(void)
{
  if (my_progname)
    return my_progname;
  return "<unknown program>";
}

extern "C"
void ndb_short_usage_sub(const char* extra)
{
  printf("Usage: %s [OPTIONS]%s%s\n", ndb_progname(),
         (extra)?" ":"",
         (extra)?extra:"");
}

extern "C"
void ndb_usage(void (*usagefunc)(void), const char *load_default_groups[],
               struct my_option *my_long_options)
{
  (*usagefunc)();

  ndb_std_print_version();
  print_defaults(MYSQL_CONFIG_NAME,load_default_groups);
  puts("");
  my_print_help(my_long_options);
  my_print_variables(my_long_options);
}

extern "C"
my_bool
ndb_std_get_one_option(int optid,
                       const struct my_option *opt MY_ATTRIBUTE((unused)),
                       char *argument MY_ATTRIBUTE((unused)))
{
  switch (optid) {
#ifndef DBUG_OFF
  case '#':
    if (!opt_debug)
      opt_debug= "d:t";
    DBUG_SET_INITIAL(argument ? argument : opt_debug);
    opt_ndb_endinfo= 1;
    break;
#endif
  case 'V':
    ndb_std_print_version();
    exit(0);
  case '?':
    (*g_ndb_opt_usage)();
    exit(0);
  }
  return 0;
}

extern "C"
void ndb_std_print_version()
{
#ifndef DBUG_OFF
  const char *suffix= "-debug";
#else
  const char *suffix= "";
#endif
  printf("MySQL distrib %s%s, for %s (%s)\n",
         NDB_VERSION_STRING,suffix,SYSTEM_TYPE,MACHINE_TYPE);
}

extern "C"
my_bool ndb_is_load_default_arg_separator(const char* arg)
{
#ifndef MYSQL_VERSION_ID
#error "Need MYSQL_VERSION_ID defined"
#endif

#if MYSQL_VERSION_ID >= 50510
  /*
    load_default() in 5.5+ returns an extra arg which has to
    be skipped when processing the argv array
   */
  if (my_getopt_is_args_separator(arg))
    return TRUE;
#elif MYSQL_VERSION_ID >= 50501
  if (arg == args_separator)
    return TRUE;
#else
  (void)arg;
#endif
  return FALSE;
}

extern "C"
int
ndb_load_defaults(const char* conf_file, const char** groups,
                  int *argc, char*** argv)
{
  return my_load_defaults(conf_file ? conf_file : MYSQL_CONFIG_NAME,
                          groups, argc, argv, NULL);
}

extern "C"
void
ndb_free_defaults(char** argv)
{
  free_defaults(argv);
}

