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/*
     This file is part of GNUnet.
     Copyright (C) 2009 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet 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
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */
/**
 * @file statistics/test_statistics_api_loop.c
 * @brief testcase for statistics_api.c
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"

#define ROUNDS (1024 * 1024)

static struct GNUNET_STATISTICS_Handle *h;


static int
check_1(void *cls,
        const char *subsystem,
        const char *name,
        uint64_t value,
        int is_persistent)
{
  GNUNET_assert(0 == strcmp(name, "test-0"));
  GNUNET_assert(0 == strcmp(subsystem, "test-statistics-api-loop"));
  GNUNET_assert(is_persistent == GNUNET_NO);
  return GNUNET_OK;
}


static void
next(void *cls,
     int success)
{
  int *ok = cls;

  GNUNET_STATISTICS_destroy(h, GNUNET_NO);
  GNUNET_assert(success == GNUNET_OK);
  *ok = 0;
}


static void
run(void *cls,
    char *const *args,
    const char *cfgfile,
    const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  unsigned int i;
  char name[128];

  h = GNUNET_STATISTICS_create("test-statistics-api-loop", cfg);
  for (i = 0; i < ROUNDS; i++)
    {
      GNUNET_snprintf(name, sizeof(name), "test-%d", i % 32);
      GNUNET_STATISTICS_set(h, name, i, GNUNET_NO);
      GNUNET_snprintf(name, sizeof(name), "test-%d", i % 16);
      GNUNET_STATISTICS_update(h, name, 1, GNUNET_NO);
    }
  i = 0;
  GNUNET_break(NULL !=
               GNUNET_STATISTICS_get(h, NULL, "test-0",
                                     &next,
                                     &check_1, cls));
}


int
main(int argc, char *argv_ign[])
{
  int ok = 1;

  char *const argv[] = { "test-statistics-api",
                         "-c",
                         "test_statistics_api_data.conf",
                         NULL };
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_OPTION_END
  };
  struct GNUNET_OS_Process *proc;
  char *binary;

  binary = GNUNET_OS_get_libexec_binary_path("gnunet-service-statistics");
  proc =
    GNUNET_OS_start_process(GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
                            NULL, NULL, NULL,
                            binary,
                            "gnunet-service-statistics",
                            "-c", "test_statistics_api_data.conf", NULL);
  GNUNET_assert(NULL != proc);
  GNUNET_PROGRAM_run(3, argv, "test-statistics-api", "nohelp", options, &run,
                     &ok);
  if (0 != GNUNET_OS_process_kill(proc, GNUNET_TERM_SIG))
    {
      GNUNET_log_strerror(GNUNET_ERROR_TYPE_WARNING, "kill");
      ok = 1;
    }
  GNUNET_OS_process_wait(proc);
  GNUNET_OS_process_destroy(proc);
  proc = NULL;
  GNUNET_free(binary);
  return ok;
}

/* end of test_statistics_api_loop.c */