exchange

Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_exec_router.c (4063B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2022 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_exec_router.c
     21  * @brief run the taler-exchange-router command
     22  * @author Christian Grothoff
     23  * @author Marcello Stanisci
     24  */
     25 #include "taler/platform.h"
     26 #include "taler/taler_json_lib.h"
     27 #include <gnunet/gnunet_curl_lib.h>
     28 #include "taler/taler_signatures.h"
     29 #include "taler/taler_testing_lib.h"
     30 
     31 
     32 /**
     33  * State for a "router" CMD.
     34  */
     35 struct RouterState
     36 {
     37 
     38   /**
     39    * Process for the routerer.
     40    */
     41   struct GNUNET_OS_Process *router_proc;
     42 
     43   /**
     44    * Configuration file used by the routerer.
     45    */
     46   const char *config_filename;
     47 };
     48 
     49 
     50 /**
     51  * Run the command; use the `taler-exchange-router' program.
     52  *
     53  * @param cls closure.
     54  * @param cmd command currently being executed.
     55  * @param is interpreter state.
     56  */
     57 static void
     58 router_run (void *cls,
     59             const struct TALER_TESTING_Command *cmd,
     60             struct TALER_TESTING_Interpreter *is)
     61 {
     62   struct RouterState *ws = cls;
     63 
     64   (void) cmd;
     65   ws->router_proc
     66     = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_ALL,
     67                                NULL, NULL, NULL,
     68                                "taler-exchange-router",
     69                                "taler-exchange-router",
     70                                "-c", ws->config_filename,
     71                                "-t", /* exit when done */
     72                                NULL);
     73   if (NULL == ws->router_proc)
     74   {
     75     GNUNET_break (0);
     76     TALER_TESTING_interpreter_fail (is);
     77     return;
     78   }
     79   TALER_TESTING_wait_for_sigchld (is);
     80 }
     81 
     82 
     83 /**
     84  * Free the state of a "router" CMD, and possibly
     85  * kills its process if it did not terminate regularly.
     86  *
     87  * @param cls closure.
     88  * @param cmd the command being freed.
     89  */
     90 static void
     91 router_cleanup (void *cls,
     92                 const struct TALER_TESTING_Command *cmd)
     93 {
     94   struct RouterState *ws = cls;
     95 
     96   (void) cmd;
     97   if (NULL != ws->router_proc)
     98   {
     99     GNUNET_break (0 ==
    100                   GNUNET_OS_process_kill (ws->router_proc,
    101                                           SIGKILL));
    102     GNUNET_OS_process_wait (ws->router_proc);
    103     GNUNET_OS_process_destroy (ws->router_proc);
    104     ws->router_proc = NULL;
    105   }
    106   GNUNET_free (ws);
    107 }
    108 
    109 
    110 /**
    111  * Offer "router" CMD internal data to other commands.
    112  *
    113  * @param cls closure.
    114  * @param[out] ret result.
    115  * @param trait name of the trait.
    116  * @param index index number of the object to offer.
    117  * @return #GNUNET_OK on success.
    118  */
    119 static enum GNUNET_GenericReturnValue
    120 router_traits (void *cls,
    121                const void **ret,
    122                const char *trait,
    123                unsigned int index)
    124 {
    125   struct RouterState *ws = cls;
    126   struct TALER_TESTING_Trait traits[] = {
    127     TALER_TESTING_make_trait_process (&ws->router_proc),
    128     TALER_TESTING_trait_end ()
    129   };
    130 
    131   return TALER_TESTING_get_trait (traits,
    132                                   ret,
    133                                   trait,
    134                                   index);
    135 }
    136 
    137 
    138 struct TALER_TESTING_Command
    139 TALER_TESTING_cmd_exec_router (const char *label,
    140                                const char *config_filename)
    141 {
    142   struct RouterState *ws;
    143 
    144   ws = GNUNET_new (struct RouterState);
    145   ws->config_filename = config_filename;
    146 
    147   {
    148     struct TALER_TESTING_Command cmd = {
    149       .cls = ws,
    150       .label = label,
    151       .run = &router_run,
    152       .cleanup = &router_cleanup,
    153       .traits = &router_traits
    154     };
    155 
    156     return cmd;
    157   }
    158 }
    159 
    160 
    161 /* end of testing_api_cmd_exec_router.c */