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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_signal.c (2630B)

      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_signal.c
     21  * @brief command(s) to send signals to processes.
     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_testing_lib.h"
     28 
     29 
     30 /**
     31  * State for a "signal" CMD.
     32  */
     33 struct SignalState
     34 {
     35   /**
     36    * The process to send the signal to.
     37    */
     38   struct GNUNET_OS_Process *process;
     39 
     40   /**
     41    * The signal to send to the process.
     42    */
     43   int signal;
     44 };
     45 
     46 /**
     47  * Run the command.
     48  *
     49  * @param cls closure.
     50  * @param cmd the command to execute.
     51  * @param is the interpreter state.
     52  */
     53 static void
     54 signal_run (void *cls,
     55             const struct TALER_TESTING_Command *cmd,
     56             struct TALER_TESTING_Interpreter *is)
     57 {
     58   struct SignalState *ss = cls;
     59 
     60   GNUNET_break (0 == GNUNET_OS_process_kill
     61                   (ss->process, ss->signal));
     62   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
     63               "Signaling '%d'..\n",
     64               ss->signal);
     65   TALER_TESTING_interpreter_next (is);
     66 }
     67 
     68 
     69 /**
     70  * Cleanup the state from a "signal" CMD.
     71  *
     72  * @param cls closure.
     73  * @param cmd the command which is being cleaned up.
     74  */
     75 static void
     76 signal_cleanup (void *cls,
     77                 const struct TALER_TESTING_Command *cmd)
     78 {
     79   struct SignalState *ss = cls;
     80 
     81   GNUNET_free (ss);
     82 }
     83 
     84 
     85 /**
     86  * Create a "signal" CMD.
     87  *
     88  * @param label command label.
     89  * @param process handle to the process to signal.
     90  * @param signal signal to send.
     91  *
     92  * @return the command.
     93  */
     94 struct TALER_TESTING_Command
     95 TALER_TESTING_cmd_signal (const char *label,
     96                           struct GNUNET_OS_Process *process,
     97                           int signal)
     98 {
     99   struct SignalState *ss;
    100 
    101   ss = GNUNET_new (struct SignalState);
    102   ss->process = process;
    103   ss->signal = signal;
    104 
    105   {
    106     struct TALER_TESTING_Command cmd = {
    107       .cls = ss,
    108       .label = label,
    109       .run = &signal_run,
    110       .cleanup = &signal_cleanup
    111     };
    112 
    113     return cmd;
    114   }
    115 }