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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 (3266B)

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