merchant

Merchant backend to process payments, run by merchants
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testing_api_cmd_webhook.c (4127B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2023 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify
      6   it under the terms of the GNU General Public License as
      7   published by the Free Software Foundation; either version 3,
      8   or (at your option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful,
     11   but 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, see
     17   <http://www.gnu.org/licenses/>
     18 */
     19 /**
     20  * @file testing/testing_api_cmd_webhook.c
     21  * @brief run the taler-merchant-webhook command
     22  * @author Priscilla HUANG
     23  */
     24 #include "platform.h"
     25 #include "taler/taler_json_lib.h"
     26 #include <gnunet/gnunet_curl_lib.h>
     27 #include "taler/taler_signatures.h"
     28 #include "taler/taler_testing_lib.h"
     29 #include "taler_merchant_testing_lib.h"
     30 
     31 
     32 /**
     33  * State for a "webhook" CMD.
     34  */
     35 struct WebhookState
     36 {
     37 
     38   /**
     39    * Process for the webhook.
     40    */
     41   struct GNUNET_OS_Process *webhook_proc;
     42 
     43   /**
     44    * Configuration file used by the webhook.
     45    */
     46   const char *config_filename;
     47 };
     48 
     49 
     50 /**
     51  * Run the command; use the `taler-merchant-webhook' program.
     52  *
     53  * @param cls closure.
     54  * @param cmd command currently being executed.
     55  * @param is interpreter state.
     56  */
     57 static void
     58 webhook_run (void *cls,
     59              const struct TALER_TESTING_Command *cmd,
     60              struct TALER_TESTING_Interpreter *is)
     61 {
     62   struct WebhookState *ws = cls;
     63 
     64   (void) cmd;
     65   ws->webhook_proc
     66     = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ALL,
     67                                NULL, NULL, NULL,
     68                                "taler-merchant-webhook",
     69                                "taler-merchant-webhook",
     70                                "-c", ws->config_filename,
     71                                "-t", /* exit when done */
     72                                "-L", "DEBUG",
     73                                NULL);
     74   if (NULL == ws->webhook_proc)
     75   {
     76     GNUNET_break (0);
     77     TALER_TESTING_interpreter_fail (is);
     78     return;
     79   }
     80   TALER_TESTING_wait_for_sigchld (is);
     81 }
     82 
     83 
     84 /**
     85  * Free the state of a "webhook" CMD, and possibly
     86  * kills its process if it did not terminate regularly.
     87  *
     88  * @param cls closure.
     89  * @param cmd the command being freed.
     90  */
     91 static void
     92 webhook_cleanup (void *cls,
     93                  const struct TALER_TESTING_Command *cmd)
     94 {
     95   struct WebhookState *ws = cls;
     96 
     97   (void) cmd;
     98   if (NULL != ws->webhook_proc)
     99   {
    100     GNUNET_break (0 ==
    101                   GNUNET_OS_process_kill (ws->webhook_proc,
    102                                           SIGKILL));
    103     GNUNET_OS_process_wait (ws->webhook_proc);
    104     GNUNET_OS_process_destroy (ws->webhook_proc);
    105     ws->webhook_proc = NULL;
    106   }
    107   GNUNET_free (ws);
    108 }
    109 
    110 
    111 /**
    112  * Offer "webhook" CMD internal data to other commands.
    113  *
    114  * @param cls closure.
    115  * @param[out] ret result.
    116  * @param trait name of the trait.
    117  * @param index index number of the object to offer.
    118  * @return #GNUNET_OK on success.
    119  */
    120 static enum GNUNET_GenericReturnValue
    121 webhook_traits (void *cls,
    122                 const void **ret,
    123                 const char *trait,
    124                 unsigned int index)
    125 {
    126   struct WebhookState *ws = cls;
    127   struct TALER_TESTING_Trait traits[] = {
    128     TALER_TESTING_make_trait_process (&ws->webhook_proc),
    129     TALER_TESTING_trait_end ()
    130   };
    131 
    132   return TALER_TESTING_get_trait (traits,
    133                                   ret,
    134                                   trait,
    135                                   index);
    136 }
    137 
    138 
    139 struct TALER_TESTING_Command
    140 TALER_TESTING_cmd_webhook (const char *label,
    141                            const char *config_filename)
    142 {
    143   struct WebhookState *ws;
    144 
    145   ws = GNUNET_new (struct WebhookState);
    146   ws->config_filename = config_filename;
    147 
    148   {
    149     struct TALER_TESTING_Command cmd = {
    150       .cls = ws,
    151       .label = label,
    152       .run = &webhook_run,
    153       .cleanup = &webhook_cleanup,
    154       .traits = &webhook_traits
    155     };
    156 
    157     return cmd;
    158   }
    159 }
    160 
    161 
    162 /* end of testing_api_cmd_webhook.c */