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path: root/src/merchant-tools/taler-merchant-dbinit.c
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/*
  This file is part of TALER
  Copyright (C) 2014, 2015, 2020 Taler Systems SA

  TALER 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 3, or (at your option) any later version.

  TALER 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 for more details.

  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
*/
/**
 * @file merchant-tools/taler-merchant-dbinit.c
 * @brief Create tables for the merchant database.
 * @author Florian Dold
 * @author Marcello Stanisci
 */
#include "platform.h"
#include <taler/taler_util.h>
#include <gnunet/gnunet_util_lib.h>
#include "taler_merchant_util.h"
#include "taler_merchantdb_lib.h"


/**
 * Return value from main().
 */
static int global_ret;

/**
 * -r option: do full DB reset
 */
static int reset_db;

/**
 * Main function that will be run.
 *
 * @param cls closure
 * @param args remaining command-line arguments
 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
 * @param config configuration
 */
static void
run (void *cls,
     char *const *args,
     const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *config)
{
  struct TALER_MERCHANTDB_Plugin *plugin;
  struct GNUNET_CONFIGURATION_Handle *cfg;

  cfg = GNUNET_CONFIGURATION_dup (config);
  if (NULL ==
      (plugin = TALER_MERCHANTDB_plugin_load (cfg)))
  {
    fprintf (stderr,
             "Failed to initialize database plugin.\n");
    global_ret = 1;
    GNUNET_CONFIGURATION_destroy (cfg);
    return;
  }
  if (reset_db)
  {
    if (GNUNET_OK !=
        plugin->drop_tables (plugin->cls))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                  "Failed to reset the database\n");
    }
  }
  if (GNUNET_OK !=
      plugin->create_tables (plugin->cls))
  {
    global_ret = 1;
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Failed to initialize tables\n");
  }
  TALER_MERCHANTDB_plugin_unload (plugin);
  GNUNET_CONFIGURATION_destroy (cfg);
}


/**
 * The main function of the database initialization tool.
 * Used to initialize the Taler Exchange's database.
 *
 * @param argc number of arguments from the command line
 * @param argv command line arguments
 * @return 0 ok, 1 on error
 */
int
main (int argc,
      char *const *argv)
{
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_option_flag ('r',
                               "reset",
                               "reset database (DANGEROUS: all existing data is lost!)",
                               &reset_db),

    GNUNET_GETOPT_option_version (PACKAGE_VERSION "-" VCS_VERSION),
    GNUNET_GETOPT_OPTION_END
  };
  enum GNUNET_GenericReturnValue ret;

  ret = GNUNET_PROGRAM_run (
    TALER_MERCHANT_project_data (),
    argc, argv,
    "taler-merchant-dbinit",
    gettext_noop ("Initialize Taler merchant database"),
    options,
    &run, NULL);
  if (GNUNET_SYSERR == ret)
    return 3;
  if (GNUNET_NO == ret)
    return 0;
  return global_ret;
}


/* end of taler-merchant-dbinit.c */