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_stat.c
      21             :  * @brief command(s) to get performance statistics on other commands
      22             :  * @author Christian Grothoff
      23             :  */
      24             : #include "platform.h"
      25             : #include "taler_json_lib.h"
      26             : #include <gnunet/gnunet_curl_lib.h>
      27             : #include "taler_testing_lib.h"
      28             : 
      29             : 
      30             : /**
      31             :  * Run a "stat" CMD.
      32             :  *
      33             :  * @param cls closure.
      34             :  * @param cmd the command being run.
      35             :  * @param is the interpreter state.
      36             :  */
      37             : static void
      38             : stat_run (void *cls,
      39             :           const struct TALER_TESTING_Command *cmd,
      40             :           struct TALER_TESTING_Interpreter *is);
      41             : 
      42             : 
      43             : /**
      44             :  * Add the time @a cmd took to the respective duration in @a timings.
      45             :  *
      46             :  * @param timings where to add up times
      47             :  * @param cmd command to evaluate
      48             :  */
      49             : static void
      50           0 : stat_cmd (struct TALER_TESTING_Timer *timings,
      51             :           const struct TALER_TESTING_Command *cmd)
      52             : {
      53             :   struct GNUNET_TIME_Relative duration;
      54             :   struct GNUNET_TIME_Relative lat;
      55             : 
      56           0 :   if (GNUNET_TIME_absolute_cmp (cmd->start_time,
      57             :                                 >,
      58             :                                 cmd->finish_time))
      59             :   {
      60             :     /* This is a problem, except of course for
      61             :        this command itself, as we clearly did not yet
      62             :        finish... */
      63           0 :     if (cmd->run != &stat_run)
      64             :     {
      65           0 :       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      66             :                   "Bad timings for `%s'\n",
      67             :                   cmd->label);
      68           0 :       GNUNET_break (0);
      69             :     }
      70           0 :     return;
      71             :   }
      72           0 :   duration = GNUNET_TIME_absolute_get_difference (cmd->start_time,
      73             :                                                   cmd->finish_time);
      74           0 :   lat = GNUNET_TIME_absolute_get_difference (cmd->last_req_time,
      75             :                                              cmd->finish_time);
      76           0 :   for (unsigned int i = 0;
      77           0 :        NULL != timings[i].prefix;
      78           0 :        i++)
      79             :   {
      80           0 :     if (0 == strncmp (timings[i].prefix,
      81           0 :                       cmd->label,
      82           0 :                       strlen (timings[i].prefix)))
      83             :     {
      84           0 :       timings[i].total_duration
      85           0 :         = GNUNET_TIME_relative_add (duration,
      86           0 :                                     timings[i].total_duration);
      87           0 :       timings[i].success_latency
      88           0 :         = GNUNET_TIME_relative_add (lat,
      89           0 :                                     timings[i].success_latency);
      90           0 :       timings[i].num_commands++;
      91           0 :       timings[i].num_retries += cmd->num_tries;
      92           0 :       break;
      93             :     }
      94             :   }
      95             : }
      96             : 
      97             : 
      98             : /**
      99             :  * Obtain statistics for @a timings of @a cmd
     100             :  *
     101             :  * @param[in,out] cls what timings to get
     102             :  * @param cmd command to process
     103             :  */
     104             : static void
     105           0 : do_stat (void *cls,
     106             :          const struct TALER_TESTING_Command *cmd)
     107             : {
     108           0 :   struct TALER_TESTING_Timer *timings = cls;
     109             : 
     110           0 :   if (TALER_TESTING_cmd_is_batch (cmd))
     111             :   {
     112             :     struct TALER_TESTING_Command *bcmd;
     113             : 
     114           0 :     if (GNUNET_OK !=
     115           0 :         TALER_TESTING_get_trait_batch_cmds (cmd,
     116             :                                             &bcmd))
     117             :     {
     118           0 :       GNUNET_break (0);
     119           0 :       return;
     120             :     }
     121           0 :     for (unsigned int j = 0;
     122           0 :          NULL != bcmd[j].label;
     123           0 :          j++)
     124           0 :       do_stat (timings,
     125           0 :                &bcmd[j]);
     126           0 :     return;
     127             :   }
     128           0 :   stat_cmd (timings,
     129             :             cmd);
     130             : }
     131             : 
     132             : 
     133             : /**
     134             :  * Run a "stat" CMD.
     135             :  *
     136             :  * @param cls closure.
     137             :  * @param cmd the command being run.
     138             :  * @param is the interpreter state.
     139             :  */
     140             : static void
     141           0 : stat_run (void *cls,
     142             :           const struct TALER_TESTING_Command *cmd,
     143             :           struct TALER_TESTING_Interpreter *is)
     144             : {
     145           0 :   struct TALER_TESTING_Timer *timings = cls;
     146             : 
     147           0 :   TALER_TESTING_iterate (is,
     148             :                          true,
     149             :                          &do_stat,
     150             :                          timings);
     151           0 :   TALER_TESTING_interpreter_next (is);
     152           0 : }
     153             : 
     154             : 
     155             : struct TALER_TESTING_Command
     156           0 : TALER_TESTING_cmd_stat (struct TALER_TESTING_Timer *timers)
     157             : {
     158           0 :   struct TALER_TESTING_Command cmd = {
     159             :     .label = "stat",
     160             :     .run = &stat_run,
     161             :     .cls = (void *) timers
     162             :   };
     163             : 
     164           0 :   return cmd;
     165             : }
     166             : 
     167             : 
     168             : /* end of testing_api_cmd_stat.c  */