Line data    Source code

       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            0 : router_run (void *cls,
      59              :             const struct TALER_TESTING_Command *cmd,
      60              :             struct TALER_TESTING_Interpreter *is)
      61              : {
      62            0 :   struct RouterState *ws = cls;
      63              : 
      64              :   (void) cmd;
      65              :   ws->router_proc
      66            0 :     = 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            0 :   if (NULL == ws->router_proc)
      74              :   {
      75            0 :     GNUNET_break (0);
      76            0 :     TALER_TESTING_interpreter_fail (is);
      77            0 :     return;
      78              :   }
      79            0 :   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            0 : router_cleanup (void *cls,
      92              :                 const struct TALER_TESTING_Command *cmd)
      93              : {
      94            0 :   struct RouterState *ws = cls;
      95              : 
      96              :   (void) cmd;
      97            0 :   if (NULL != ws->router_proc)
      98              :   {
      99            0 :     GNUNET_break (0 ==
     100              :                   GNUNET_OS_process_kill (ws->router_proc,
     101              :                                           SIGKILL));
     102            0 :     GNUNET_OS_process_wait (ws->router_proc);
     103            0 :     GNUNET_OS_process_destroy (ws->router_proc);
     104            0 :     ws->router_proc = NULL;
     105              :   }
     106            0 :   GNUNET_free (ws);
     107            0 : }
     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            0 : router_traits (void *cls,
     121              :                const void **ret,
     122              :                const char *trait,
     123              :                unsigned int index)
     124              : {
     125            0 :   struct RouterState *ws = cls;
     126              :   struct TALER_TESTING_Trait traits[] = {
     127            0 :     TALER_TESTING_make_trait_process (&ws->router_proc),
     128            0 :     TALER_TESTING_trait_end ()
     129              :   };
     130              : 
     131            0 :   return TALER_TESTING_get_trait (traits,
     132              :                                   ret,
     133              :                                   trait,
     134              :                                   index);
     135              : }
     136              : 
     137              : 
     138              : struct TALER_TESTING_Command
     139            0 : TALER_TESTING_cmd_exec_router (const char *label,
     140              :                                const char *config_filename)
     141              : {
     142              :   struct RouterState *ws;
     143              : 
     144            0 :   ws = GNUNET_new (struct RouterState);
     145            0 :   ws->config_filename = config_filename;
     146              : 
     147              :   {
     148            0 :     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            0 :     return cmd;
     157              :   }
     158              : }
     159              : 
     160              : 
     161              : /* end of testing_api_cmd_exec_router.c */