merchant

Merchant backend to process payments, run by merchants
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taler-merchant-dbinit.c (3893B)

      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 src/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/taler_merchant_util.h"
     26 #include "merchantdb_lib.h"
     27 #include "merchant-database/create_tables.h"
     28 #include "merchant-database/drop_tables.h"
     29 #include "merchant-database/gc.h"
     30 
     31 
     32 /**
     33  * Return value from main().
     34  */
     35 static int global_ret;
     36 
     37 /**
     38  * -r option: do full DB reset
     39  */
     40 static int reset_db;
     41 
     42 /**
     43  * -g option: garbage collect DB
     44  */
     45 static int gc_db;
     46 
     47 /**
     48  * Main function that will be run.
     49  *
     50  * @param cls closure
     51  * @param args remaining command-line arguments
     52  * @param cfgfile name of the configuration file used (for saving, can be NULL!)
     53  * @param cfg configuration
     54  */
     55 static void
     56 run (void *cls,
     57      char *const *args,
     58      const char *cfgfile,
     59      const struct GNUNET_CONFIGURATION_Handle *cfg)
     60 {
     61   struct TALER_MERCHANTDB_PostgresContext *pg;
     62 
     63   pg = TALER_MERCHANTDB_connect_admin (cfg);
     64   if (NULL == pg)
     65   {
     66     fprintf (stderr,
     67              "Failed to initialize database connection.\n");
     68     global_ret = 1;
     69     return;
     70   }
     71   if (reset_db)
     72   {
     73     if (GNUNET_OK !=
     74         TALER_MERCHANTDB_drop_tables (pg))
     75     {
     76       global_ret = 1;
     77       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     78                   "Failed to reset the database\n");
     79       TALER_MERCHANTDB_disconnect (pg);
     80       return;
     81     }
     82     gc_db = 0; /* not useful */
     83   }
     84   if (GNUNET_OK !=
     85       TALER_MERCHANTDB_create_tables (pg))
     86   {
     87     global_ret = 1;
     88     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     89                 "Failed to initialize tables\n");
     90   }
     91   if (gc_db)
     92   {
     93     if (GNUNET_OK !=
     94         TALER_MERCHANTDB_gc (pg))
     95     {
     96       global_ret = 1;
     97       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     98                   "Failed to garbage collect database\n");
     99     }
    100     TALER_MERCHANTDB_disconnect (pg);
    101     return;
    102   }
    103   TALER_MERCHANTDB_disconnect (pg);
    104 }
    105 
    106 
    107 /**
    108  * The main function of the database initialization tool.
    109  * Used to initialize the Taler Exchange's database.
    110  *
    111  * @param argc number of arguments from the command line
    112  * @param argv command line arguments
    113  * @return 0 ok, 1 on error
    114  */
    115 int
    116 main (int argc,
    117       char *const *argv)
    118 {
    119   struct GNUNET_GETOPT_CommandLineOption options[] = {
    120     GNUNET_GETOPT_option_flag ('g',
    121                                "gc",
    122                                "garbage collect database",
    123                                &gc_db),
    124     GNUNET_GETOPT_option_flag ('r',
    125                                "reset",
    126                                "reset database (DANGEROUS: all existing data is lost!)",
    127                                &reset_db),
    128 
    129     GNUNET_GETOPT_option_version (PACKAGE_VERSION),
    130     GNUNET_GETOPT_OPTION_END
    131   };
    132   enum GNUNET_GenericReturnValue ret;
    133 
    134   ret = GNUNET_PROGRAM_run (
    135     TALER_MERCHANT_project_data (),
    136     argc, argv,
    137     "taler-merchant-dbinit",
    138     gettext_noop ("Initialize Taler merchant database"),
    139     options,
    140     &run, NULL);
    141   if (GNUNET_SYSERR == ret)
    142     return 3;
    143   if (GNUNET_NO == ret)
    144     return 0;
    145   return global_ret;
    146 }
    147 
    148 
    149 /* end of taler-merchant-dbinit.c */