Line data    Source code

       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_exec_wget.c
      21              :  * @brief run a wget command
      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_signatures.h"
      28              : #include "taler/taler_testing_lib.h"
      29              : 
      30              : 
      31              : /**
      32              :  * State for a "wget" CMD.
      33              :  */
      34              : struct WgetState
      35              : {
      36              :   /**
      37              :    * Process for the wgeter.
      38              :    */
      39              :   struct GNUNET_Process *wget_proc;
      40              : 
      41              :   /**
      42              :    * URL to used by the wget.
      43              :    */
      44              :   const char *url;
      45              : };
      46              : 
      47              : 
      48              : /**
      49              :  * Run the command; use the `wget` program.
      50              :  *
      51              :  * @param cls closure.
      52              :  * @param cmd command currently being executed.
      53              :  * @param is interpreter state.
      54              :  */
      55              : static void
      56            0 : wget_run (void *cls,
      57              :           const struct TALER_TESTING_Command *cmd,
      58              :           struct TALER_TESTING_Interpreter *is)
      59              : {
      60            0 :   struct WgetState *ws = cls;
      61              : 
      62              :   (void) cmd;
      63            0 :   ws->wget_proc = GNUNET_process_create (GNUNET_OS_INHERIT_STD_ERR);
      64            0 :   if (GNUNET_OK !=
      65            0 :       GNUNET_process_run_command_va (ws->wget_proc,
      66              :                                      "wget",
      67              :                                      "wget",
      68              :                                      ws->url,
      69              :                                      NULL))
      70              :   {
      71            0 :     GNUNET_break (0);
      72            0 :     GNUNET_process_destroy (ws->wget_proc);
      73            0 :     ws->wget_proc = NULL;
      74            0 :     TALER_TESTING_interpreter_fail (is);
      75            0 :     return;
      76              :   }
      77            0 :   TALER_TESTING_wait_for_sigchld (is);
      78              : }
      79              : 
      80              : 
      81              : /**
      82              :  * Free the state of a "wget" CMD, and possibly
      83              :  * kills its process if it did not terminate regularly.
      84              :  *
      85              :  * @param cls closure.
      86              :  * @param cmd the command being freed.
      87              :  */
      88              : static void
      89            0 : wget_cleanup (void *cls,
      90              :               const struct TALER_TESTING_Command *cmd)
      91              : {
      92            0 :   struct WgetState *ws = cls;
      93              : 
      94              :   (void) cmd;
      95            0 :   if (NULL != ws->wget_proc)
      96              :   {
      97            0 :     GNUNET_break (GNUNET_OK ==
      98              :                   GNUNET_process_kill (ws->wget_proc,
      99              :                                        SIGKILL));
     100            0 :     GNUNET_process_wait (ws->wget_proc,
     101              :                          true,
     102              :                          NULL,
     103              :                          NULL);
     104            0 :     GNUNET_process_destroy (ws->wget_proc);
     105            0 :     ws->wget_proc = NULL;
     106              :   }
     107            0 :   GNUNET_free (ws);
     108            0 : }
     109              : 
     110              : 
     111              : /**
     112              :  * Offer "wget" 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            0 : wget_traits (void *cls,
     122              :              const void **ret,
     123              :              const char *trait,
     124              :              unsigned int index)
     125              : {
     126            0 :   struct WgetState *ws = cls;
     127              :   struct TALER_TESTING_Trait traits[] = {
     128            0 :     TALER_TESTING_make_trait_process (&ws->wget_proc),
     129            0 :     TALER_TESTING_trait_end ()
     130              :   };
     131              : 
     132            0 :   return TALER_TESTING_get_trait (traits,
     133              :                                   ret,
     134              :                                   trait,
     135              :                                   index);
     136              : }
     137              : 
     138              : 
     139              : struct TALER_TESTING_Command
     140            0 : TALER_TESTING_cmd_exec_wget (const char *label,
     141              :                              const char *url)
     142              : {
     143              :   struct WgetState *ws;
     144              : 
     145            0 :   ws = GNUNET_new (struct WgetState);
     146            0 :   ws->url = url;
     147              : 
     148              :   {
     149            0 :     struct TALER_TESTING_Command cmd = {
     150              :       .cls = ws,
     151              :       .label = label,
     152              :       .run = &wget_run,
     153              :       .cleanup = &wget_cleanup,
     154              :       .traits = &wget_traits
     155              :     };
     156              : 
     157            0 :     return cmd;
     158              :   }
     159              : }
     160              : 
     161              : 
     162              : /* end of testing_api_cmd_exec_wget.c */