Line data    Source code

       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            0 : wait_service_cleanup (void *cls,
      37              :                       const struct TALER_TESTING_Command *cmd)
      38              : {
      39              :   (void) cls;
      40              :   (void) cmd;
      41              :   /* nothing to clean.  */
      42            0 :   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            0 : 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            0 :   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            0 : wait_service_run (void *cls,
      79              :                   const struct TALER_TESTING_Command *cmd,
      80              :                   struct TALER_TESTING_Interpreter *is)
      81              : {
      82            0 :   unsigned int iter = 0;
      83            0 :   const char *url = cmd->cls;
      84              :   char *wget_cmd;
      85              : 
      86              :   (void) cls;
      87            0 :   GNUNET_asprintf (&wget_cmd,
      88              :                    "wget -q -t 1 -T 1 %s -o /dev/null -O /dev/null",
      89              :                    url);
      90              :   do
      91              :   {
      92            0 :     fprintf (stderr, ".");
      93              : 
      94            0 :     if (10 == iter++)
      95              :     {
      96            0 :       TALER_LOG_ERROR ("Could not reach the proxied service\n");
      97            0 :       TALER_TESTING_interpreter_fail (is);
      98            0 :       GNUNET_free (wget_cmd);
      99            0 :       return;
     100              :     }
     101              :   }
     102            0 :   while (0 != system (wget_cmd));
     103              : 
     104            0 :   GNUNET_free (wget_cmd);
     105            0 :   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            0 : TALER_TESTING_cmd_wait_service (const char *label,
     119              :                                 const char *url)
     120              : {
     121            0 :   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            0 :   return cmd;
     130              : }
     131              : 
     132              : 
     133              : /* end of testing_api_cmd_sleep.c  */