exchange

Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_offline_sign_keys.c (4192B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2020 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it
      6   under the terms of the GNU General Public License as published
      7   by the Free Software Foundation; either version 3, or (at your
      8   option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful, but
     11   WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 
     20 /**
     21  * @file testing/testing_api_cmd_offline_sign_keys.c
     22  * @brief run the taler-exchange-offline command to download, sign and upload keys
     23  * @author Marcello Stanisci
     24  * @author Christian Grothoff
     25  */
     26 #include "taler/platform.h"
     27 #include "taler/taler_json_lib.h"
     28 #include <gnunet/gnunet_curl_lib.h>
     29 #include "taler/taler_signatures.h"
     30 #include "taler/taler_testing_lib.h"
     31 
     32 
     33 /**
     34  * State for a "offlinesign" CMD.
     35  */
     36 struct OfflineSignState
     37 {
     38 
     39   /**
     40    * Process for the "offlinesign" command.
     41    */
     42   struct GNUNET_OS_Process *offlinesign_proc;
     43 
     44   /**
     45    * Configuration file used by the command.
     46    */
     47   const char *config_filename;
     48 
     49 };
     50 
     51 
     52 /**
     53  * Run the command; calls the `taler-exchange-offline' program.
     54  *
     55  * @param cls closure.
     56  * @param cmd the commaind being run.
     57  * @param is interpreter state.
     58  */
     59 static void
     60 offlinesign_run (void *cls,
     61                  const struct TALER_TESTING_Command *cmd,
     62                  struct TALER_TESTING_Interpreter *is)
     63 {
     64   struct OfflineSignState *ks = cls;
     65 
     66   ks->offlinesign_proc
     67     = GNUNET_OS_start_process (
     68         GNUNET_OS_INHERIT_STD_ALL,
     69         NULL, NULL, NULL,
     70         "taler-exchange-offline",
     71         "taler-exchange-offline",
     72         "-c", ks->config_filename,
     73         "-L", "INFO",
     74         "download",
     75         "sign",
     76         "upload",
     77         NULL);
     78   if (NULL == ks->offlinesign_proc)
     79   {
     80     GNUNET_break (0);
     81     TALER_TESTING_interpreter_fail (is);
     82     return;
     83   }
     84   TALER_TESTING_wait_for_sigchld (is);
     85 }
     86 
     87 
     88 /**
     89  * Free the state of a "offlinesign" CMD, and possibly kills its
     90  * process if it did not terminate correctly.
     91  *
     92  * @param cls closure.
     93  * @param cmd the command being freed.
     94  */
     95 static void
     96 offlinesign_cleanup (void *cls,
     97                      const struct TALER_TESTING_Command *cmd)
     98 {
     99   struct OfflineSignState *ks = cls;
    100 
    101   (void) cmd;
    102   if (NULL != ks->offlinesign_proc)
    103   {
    104     GNUNET_break (0 ==
    105                   GNUNET_OS_process_kill (ks->offlinesign_proc,
    106                                           SIGKILL));
    107     GNUNET_OS_process_wait (ks->offlinesign_proc);
    108     GNUNET_OS_process_destroy (ks->offlinesign_proc);
    109     ks->offlinesign_proc = NULL;
    110   }
    111   GNUNET_free (ks);
    112 }
    113 
    114 
    115 /**
    116  * Offer "offlinesign" CMD internal data to other commands.
    117  *
    118  * @param cls closure.
    119  * @param[out] ret result
    120  * @param trait name of the trait.
    121  * @param index index number of the object to offer.
    122  * @return #GNUNET_OK on success.
    123  */
    124 static enum GNUNET_GenericReturnValue
    125 offlinesign_traits (void *cls,
    126                     const void **ret,
    127                     const char *trait,
    128                     unsigned int index)
    129 {
    130   struct OfflineSignState *ks = cls;
    131   struct TALER_TESTING_Trait traits[] = {
    132     TALER_TESTING_make_trait_process (&ks->offlinesign_proc),
    133     TALER_TESTING_trait_end ()
    134   };
    135 
    136   return TALER_TESTING_get_trait (traits,
    137                                   ret,
    138                                   trait,
    139                                   index);
    140 }
    141 
    142 
    143 struct TALER_TESTING_Command
    144 TALER_TESTING_cmd_exec_offline_sign_keys (const char *label,
    145                                           const char *config_filename)
    146 {
    147   struct OfflineSignState *ks;
    148 
    149   ks = GNUNET_new (struct OfflineSignState);
    150   ks->config_filename = config_filename;
    151   {
    152     struct TALER_TESTING_Command cmd = {
    153       .cls = ks,
    154       .label = label,
    155       .run = &offlinesign_run,
    156       .cleanup = &offlinesign_cleanup,
    157       .traits = &offlinesign_traits
    158     };
    159 
    160     return cmd;
    161   }
    162 }
    163 
    164 
    165 /* end of testing_api_cmd_exec_offline_sign_keys.c */