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/*
This file is part of TALER
(C) 2018 Taler Systems SA
TALER is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3, or
(at your option) any later version.
TALER is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public
License along with TALER; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file testing/testing_api_cmd_stat.c
* @brief command(s) to get performance statistics on other commands
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_testing_lib.h"
/**
* Run a "stat" CMD.
*
* @param cls closure.
* @param cmd the command being run.
* @param is the interpreter state.
*/
static void
stat_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is);
/**
* Add the time @a cmd took to the respective duration in @a timings.
*
* @param timings where to add up times
* @param cmd command to evaluate
*/
static void
stat_cmd (struct TALER_TESTING_Timer *timings,
const struct TALER_TESTING_Command *cmd)
{
struct GNUNET_TIME_Relative duration;
struct GNUNET_TIME_Relative lat;
if (GNUNET_TIME_absolute_cmp (cmd->start_time,
>,
cmd->finish_time))
{
/* This is a problem, except of course for
this command itself, as we clearly did not yet
finish... */
if (cmd->run != &stat_run)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Bad timings for `%s'\n",
cmd->label);
GNUNET_break (0);
}
return;
}
duration = GNUNET_TIME_absolute_get_difference (cmd->start_time,
cmd->finish_time);
lat = GNUNET_TIME_absolute_get_difference (cmd->last_req_time,
cmd->finish_time);
for (unsigned int i = 0;
NULL != timings[i].prefix;
i++)
{
if (0 == strncmp (timings[i].prefix,
cmd->label,
strlen (timings[i].prefix)))
{
timings[i].total_duration
= GNUNET_TIME_relative_add (duration,
timings[i].total_duration);
timings[i].success_latency
= GNUNET_TIME_relative_add (lat,
timings[i].success_latency);
timings[i].num_commands++;
timings[i].num_retries += cmd->num_tries;
break;
}
}
}
/**
* Obtain statistics for @a timings of @a cmd
*
* @param[in,out] cls what timings to get
* @param cmd command to process
*/
static void
do_stat (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct TALER_TESTING_Timer *timings = cls;
if (TALER_TESTING_cmd_is_batch (cmd))
{
struct TALER_TESTING_Command *bcmd;
if (GNUNET_OK !=
TALER_TESTING_get_trait_batch_cmds (cmd,
&bcmd))
{
GNUNET_break (0);
return;
}
for (unsigned int j = 0;
NULL != bcmd[j].label;
j++)
do_stat (timings,
&bcmd[j]);
return;
}
stat_cmd (timings,
cmd);
}
/**
* Run a "stat" CMD.
*
* @param cls closure.
* @param cmd the command being run.
* @param is the interpreter state.
*/
static void
stat_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct TALER_TESTING_Timer *timings = cls;
TALER_TESTING_iterate (is,
true,
&do_stat,
timings);
TALER_TESTING_interpreter_next (is);
}
struct TALER_TESTING_Command
TALER_TESTING_cmd_stat (struct TALER_TESTING_Timer *timers)
{
struct TALER_TESTING_Command cmd = {
.label = "stat",
.run = &stat_run,
.cls = (void *) timers
};
return cmd;
}
/* end of testing_api_cmd_stat.c */
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