merchant

Merchant backend to process payments, run by merchants
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taler-merchant-dbinit.c (3828B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2014, 2015, 2020 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU General Public License as published by the Free Software
      7   Foundation; either version 3, or (at your option) any later version.
      8 
      9   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12 
     13   You should have received a copy of the GNU General Public License along with
     14   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 /**
     17  * @file merchant-tools/taler-merchant-dbinit.c
     18  * @brief Create tables for the merchant database.
     19  * @author Florian Dold
     20  * @author Marcello Stanisci
     21  */
     22 #include "platform.h"
     23 #include <taler/taler_util.h>
     24 #include <gnunet/gnunet_util_lib.h>
     25 #include "taler_merchant_util.h"
     26 #include "taler_merchantdb_lib.h"
     27 
     28 
     29 /**
     30  * Return value from main().
     31  */
     32 static int global_ret;
     33 
     34 /**
     35  * -r option: do full DB reset
     36  */
     37 static int reset_db;
     38 
     39 /**
     40  * -g option: garbage collect DB
     41  */
     42 static int gc_db;
     43 
     44 /**
     45  * Main function that will be run.
     46  *
     47  * @param cls closure
     48  * @param args remaining command-line arguments
     49  * @param cfgfile name of the configuration file used (for saving, can be NULL!)
     50  * @param config configuration
     51  */
     52 static void
     53 run (void *cls,
     54      char *const *args,
     55      const char *cfgfile,
     56      const struct GNUNET_CONFIGURATION_Handle *config)
     57 {
     58   struct TALER_MERCHANTDB_Plugin *plugin;
     59   struct GNUNET_CONFIGURATION_Handle *cfg;
     60 
     61   cfg = GNUNET_CONFIGURATION_dup (config);
     62   if (NULL ==
     63       (plugin = TALER_MERCHANTDB_plugin_load (cfg)))
     64   {
     65     fprintf (stderr,
     66              "Failed to initialize database plugin.\n");
     67     global_ret = 1;
     68     GNUNET_CONFIGURATION_destroy (cfg);
     69     return;
     70   }
     71   if (reset_db)
     72   {
     73     if (GNUNET_OK !=
     74         plugin->drop_tables (plugin->cls))
     75     {
     76       GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
     77                   "Failed to reset the database\n");
     78     }
     79   }
     80   if (gc_db)
     81   {
     82     if (GNUNET_OK !=
     83         plugin->gc (plugin->cls))
     84     {
     85       global_ret = 1;
     86       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     87                   "Failed to garbage collect database\n");
     88     }
     89   }
     90   else
     91   {
     92     if (GNUNET_OK !=
     93         plugin->create_tables (plugin->cls))
     94     {
     95       global_ret = 1;
     96       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     97                   "Failed to initialize tables\n");
     98     }
     99   }
    100   TALER_MERCHANTDB_plugin_unload (plugin);
    101   GNUNET_CONFIGURATION_destroy (cfg);
    102 }
    103 
    104 
    105 /**
    106  * The main function of the database initialization tool.
    107  * Used to initialize the Taler Exchange's database.
    108  *
    109  * @param argc number of arguments from the command line
    110  * @param argv command line arguments
    111  * @return 0 ok, 1 on error
    112  */
    113 int
    114 main (int argc,
    115       char *const *argv)
    116 {
    117   struct GNUNET_GETOPT_CommandLineOption options[] = {
    118     GNUNET_GETOPT_option_flag ('g',
    119                                "gc",
    120                                "garbage collect database",
    121                                &gc_db),
    122     GNUNET_GETOPT_option_flag ('r',
    123                                "reset",
    124                                "reset database (DANGEROUS: all existing data is lost!)",
    125                                &reset_db),
    126 
    127     GNUNET_GETOPT_option_version (PACKAGE_VERSION "-" VCS_VERSION),
    128     GNUNET_GETOPT_OPTION_END
    129   };
    130   enum GNUNET_GenericReturnValue ret;
    131 
    132   ret = GNUNET_PROGRAM_run (
    133     TALER_MERCHANT_project_data (),
    134     argc, argv,
    135     "taler-merchant-dbinit",
    136     gettext_noop ("Initialize Taler merchant database"),
    137     options,
    138     &run, NULL);
    139   if (GNUNET_SYSERR == ret)
    140     return 3;
    141   if (GNUNET_NO == ret)
    142     return 0;
    143   return global_ret;
    144 }
    145 
    146 
    147 /* end of taler-merchant-dbinit.c */