exchange

Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_exec_transfer.c (4364B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2018 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it
      6   under the terms of the GNU General Public License as published
      7   by the Free Software Foundation; either version 3, or (at your
      8   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,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 /**
     20  * @file testing/testing_api_cmd_exec_transfer.c
     21  * @brief run the taler-exchange-transfer command
     22  * @author Marcello Stanisci
     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 "transfer" CMD.
     33  */
     34 struct TransferState
     35 {
     36 
     37   /**
     38    * Transfer process.
     39    */
     40   struct GNUNET_Process *transfer_proc;
     41 
     42   /**
     43    * Configuration file used by the transfer.
     44    */
     45   const char *config_filename;
     46 };
     47 
     48 
     49 /**
     50  * Run the command.  Use the `taler-exchange-transfer` program.
     51  *
     52  * @param cls closure.
     53  * @param cmd command being run.
     54  * @param is interpreter state.
     55  */
     56 static void
     57 transfer_run (void *cls,
     58               const struct TALER_TESTING_Command *cmd,
     59               struct TALER_TESTING_Interpreter *is)
     60 {
     61   struct TransferState *as = cls;
     62 
     63   (void) cmd;
     64   as->transfer_proc = GNUNET_process_create (GNUNET_OS_INHERIT_STD_ERR);
     65   if (GNUNET_OK !=
     66       GNUNET_process_run_command_va (as->transfer_proc,
     67                                      "taler-exchange-transfer",
     68                                      "taler-exchange-transfer",
     69                                      "-c", as->config_filename,
     70                                      "-S", "1",
     71                                      "-w", "0",
     72                                      "-t",   /* exit when done */
     73                                      NULL))
     74   {
     75     GNUNET_break (0);
     76     GNUNET_process_destroy (as->transfer_proc);
     77     as->transfer_proc = NULL;
     78     TALER_TESTING_interpreter_fail (is);
     79     return;
     80   }
     81   TALER_TESTING_wait_for_sigchld (is);
     82 }
     83 
     84 
     85 /**
     86  * Free the state of a "transfer" CMD, and possibly kill its
     87  * process if it did not terminate correctly.
     88  *
     89  * @param cls closure.
     90  * @param cmd the command being freed.
     91  */
     92 static void
     93 transfer_cleanup (void *cls,
     94                   const struct TALER_TESTING_Command *cmd)
     95 {
     96   struct TransferState *as = cls;
     97 
     98   (void) cmd;
     99   if (NULL != as->transfer_proc)
    100   {
    101     GNUNET_break (GNUNET_OK ==
    102                   GNUNET_process_kill (as->transfer_proc,
    103                                        SIGKILL));
    104     GNUNET_process_wait (as->transfer_proc,
    105                          true,
    106                          NULL,
    107                          NULL);
    108     GNUNET_process_destroy (as->transfer_proc);
    109     as->transfer_proc = NULL;
    110   }
    111   GNUNET_free (as);
    112 }
    113 
    114 
    115 /**
    116  * Offer "transfer" CMD internal data to other commands.
    117  *
    118  * @param cls closure.
    119  * @param[out] ret result.
    120  * @param trait name of the trait.
    121  * @param index index number of the object to offer.
    122  * @return #GNUNET_OK on success
    123  */
    124 static enum GNUNET_GenericReturnValue
    125 transfer_traits (void *cls,
    126                  const void **ret,
    127                  const char *trait,
    128                  unsigned int index)
    129 {
    130   struct TransferState *as = cls;
    131   struct TALER_TESTING_Trait traits[] = {
    132     TALER_TESTING_make_trait_process (&as->transfer_proc),
    133     TALER_TESTING_trait_end ()
    134   };
    135 
    136   return TALER_TESTING_get_trait (traits,
    137                                   ret,
    138                                   trait,
    139                                   index);
    140 }
    141 
    142 
    143 struct TALER_TESTING_Command
    144 TALER_TESTING_cmd_exec_transfer (const char *label,
    145                                  const char *config_filename)
    146 {
    147   struct TransferState *as;
    148 
    149   as = GNUNET_new (struct TransferState);
    150   as->config_filename = config_filename;
    151   {
    152     struct TALER_TESTING_Command cmd = {
    153       .cls = as,
    154       .label = label,
    155       .run = &transfer_run,
    156       .cleanup = &transfer_cleanup,
    157       .traits = &transfer_traits
    158     };
    159 
    160     return cmd;
    161   }
    162 }
    163 
    164 
    165 /* end of testing_api_cmd_exec_transfer.c */