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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"
/**
* Cleanup the state from a "stat service" CMD.
*
* @param cls closure.
* @param cmd the command which is being cleaned up.
*/
static void
stat_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
(void) cls;
(void) cmd;
/* nothing to clean. */
return;
}
/**
* No traits to offer, just provide a stub to be called when
* some CMDs iterates through the list of all the commands.
*
* @param cls closure.
* @param[out] ret result.
* @param trait name of the trait.
* @param index index number of the trait to return.
* @return #GNUNET_OK on success.
*/
static int
stat_traits (void *cls,
const void **ret,
const char *trait,
unsigned int index)
{
(void) cls;
(void) ret;
(void) trait;
(void) index;
return GNUNET_NO;
}
/**
* 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 (cmd->start_time.abs_value_us > cmd->finish_time.abs_value_us)
{
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 timings what timings to get
* @param cmd command to process
*/
static void
do_stat (struct TALER_TESTING_Timer *timings,
const struct TALER_TESTING_Command *cmd)
{
if (TALER_TESTING_cmd_is_batch (cmd))
{
#define BATCH_INDEX 1
struct TALER_TESTING_Command *bcmd;
if (GNUNET_OK !=
TALER_TESTING_get_trait_cmd (cmd,
BATCH_INDEX,
&bcmd))
{
GNUNET_break (0);
return;
}
for (unsigned int j = 0; NULL != bcmd[j].label; j++)
do_stat (timings,
&bcmd[j]);
}
else
{
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;
for (unsigned int i = 0; NULL != is->commands[i].label; i++)
{
if (cmd == &is->commands[i])
break; /* skip at our current command */
do_stat (timings,
&is->commands[i]);
}
TALER_TESTING_interpreter_next (is);
}
/**
* Obtain performance data from the interpreter.
*
* @param timers what commands (by label) to obtain runtimes for
* @return the command
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_stat (struct TALER_TESTING_Timer *timers)
{
struct TALER_TESTING_Command cmd = {
.label = "stat",
.run = stat_run,
.cleanup = stat_cleanup,
.traits = stat_traits,
.cls = (void *) timers
};
return cmd;
}
/* end of testing_api_cmd_sleep.c */
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