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Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_wait.c (3238B)

      1 /*
      2   This file is part of TALER
      3   (C) 2018 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, or
      8   (at your 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, see
     17   <http://www.gnu.org/licenses/>
     18 */
     19 /**
     20  * @file testing/testing_api_cmd_wait.c
     21  * @brief command(s) to wait on some process
     22  * @author Christian Grothoff
     23  */
     24 #include "taler/taler_json_lib.h"
     25 #include <gnunet/gnunet_curl_lib.h>
     26 #include "taler/taler_testing_lib.h"
     27 
     28 
     29 /**
     30  * Cleanup the state from a "wait service" CMD.
     31  *
     32  * @param cls closure.
     33  * @param cmd the command which is being cleaned up.
     34  */
     35 static void
     36 wait_service_cleanup (void *cls,
     37                       const struct TALER_TESTING_Command *cmd)
     38 {
     39   (void) cls;
     40   (void) cmd;
     41   /* nothing to clean.  */
     42   return;
     43 }
     44 
     45 
     46 /**
     47  * No traits to offer, just provide a stub to be called when
     48  * some CMDs iterates through the list of all the commands.
     49  *
     50  * @param cls closure.
     51  * @param[out] ret result.
     52  * @param trait name of the trait.
     53  * @param index index number of the trait to return.
     54  * @return #GNUNET_OK on success.
     55  */
     56 static int
     57 wait_service_traits (void *cls,
     58                      const void **ret,
     59                      const char *trait,
     60                      unsigned int index)
     61 {
     62   (void) cls;
     63   (void) ret;
     64   (void) trait;
     65   (void) index;
     66   return GNUNET_NO;
     67 }
     68 
     69 
     70 /**
     71  * Run a "wait service" CMD.
     72  *
     73  * @param cls closure.
     74  * @param cmd the command being run.
     75  * @param is the interpreter state.
     76  */
     77 static void
     78 wait_service_run (void *cls,
     79                   const struct TALER_TESTING_Command *cmd,
     80                   struct TALER_TESTING_Interpreter *is)
     81 {
     82   unsigned int iter = 0;
     83   const char *url = cmd->cls;
     84   char *wget_cmd;
     85 
     86   (void) cls;
     87   GNUNET_asprintf (&wget_cmd,
     88                    "wget -q -t 1 -T 1 %s -o /dev/null -O /dev/null",
     89                    url);
     90   do
     91   {
     92     fprintf (stderr, ".");
     93 
     94     if (10 == iter++)
     95     {
     96       TALER_LOG_ERROR ("Could not reach the proxied service\n");
     97       TALER_TESTING_interpreter_fail (is);
     98       GNUNET_free (wget_cmd);
     99       return;
    100     }
    101   }
    102   while (0 != system (wget_cmd));
    103 
    104   GNUNET_free (wget_cmd);
    105   TALER_TESTING_interpreter_next (is);
    106 }
    107 
    108 
    109 /**
    110  * This CMD simply tries to connect via HTTP to the
    111  * service addressed by @a url.  It attempts 10 times
    112  * before giving up and make the test fail.
    113  *
    114  * @param label label for the command.
    115  * @param url complete URL to connect to.
    116  */
    117 struct TALER_TESTING_Command
    118 TALER_TESTING_cmd_wait_service (const char *label,
    119                                 const char *url)
    120 {
    121   struct TALER_TESTING_Command cmd = {
    122     .label = label,
    123     .run = wait_service_run,
    124     .cleanup = wait_service_cleanup,
    125     .traits = wait_service_traits,
    126     .cls = (void *) url
    127   };
    128 
    129   return cmd;
    130 }
    131 
    132 
    133 /* end of testing_api_cmd_sleep.c  */