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/*
     This file is part of GNUnet.
     (C) 2004, 2009, 2010 Christian Grothoff (and other contributing authors)

     GNUnet 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.

     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
     General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/

/**
 * @file peerinfo/perf_peerinfo_api.c
 * @brief testcase for peerinfo_api.c, hopefully hammer the peerinfo service
 * @author Nathan Evans
 */

#include "platform.h"
#include "gnunet_hello_lib.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_peerinfo_service.h"
#include "peerinfo.h"
#include <gauger.h>

#define START_SERVICE 1

#define NUM_REQUESTS 5000

static struct GNUNET_PEERINFO_IteratorContext *ic[NUM_REQUESTS];

static struct GNUNET_PEERINFO_Handle *h;

static unsigned int numpeers;

static struct GNUNET_PeerIdentity pid;


static int
check_it (void *cls, const struct GNUNET_HELLO_Address *address,
          struct GNUNET_TIME_Absolute expiration)
{
  return GNUNET_OK;
}


static size_t
address_generator (void *cls, size_t max, void *buf)
{
  size_t *agc = cls;
  size_t ret;
  char *caddress;
  struct GNUNET_HELLO_Address address;

  if (*agc == 0)
    return 0;

  GNUNET_asprintf (&caddress, "Address%d", *agc);
  address.peer = pid;
  address.address_length = strlen (caddress) + 1;
  address.address = caddress;
  address.transport_name = "peerinfotest";
  ret =
      GNUNET_HELLO_add_address (&address,
                                GNUNET_TIME_relative_to_absolute
                                (GNUNET_TIME_UNIT_HOURS), buf, max);
  GNUNET_free (caddress);
  *agc = 0;
  return ret;
}


static void
add_peer (size_t i)
{
  struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
  struct GNUNET_HELLO_Message *h2;

  memset (&pkey, i, sizeof (pkey));
  GNUNET_CRYPTO_hash (&pkey, sizeof (pkey), &pid.hashPubKey);
  h2 = GNUNET_HELLO_create (&pkey, &address_generator, &i, GNUNET_NO);
  GNUNET_PEERINFO_add_peer (h, h2, NULL, NULL);
  GNUNET_free (h2);
}


static void
process (void *cls, const struct GNUNET_PeerIdentity *peer,
         const struct GNUNET_HELLO_Message *hello, const char *err_msg)
{
  if (NULL != peer)
  {
    numpeers++;
    if (0 && (hello != NULL))
      GNUNET_HELLO_iterate_addresses (hello, GNUNET_NO, &check_it, NULL);

  }
}


static void
run (void *cls, 
     const struct GNUNET_CONFIGURATION_Handle *cfg,
     struct GNUNET_TESTING_Peer *peer)
{
  size_t i;

  h = GNUNET_PEERINFO_connect (cfg);
  GNUNET_assert (h != NULL);
  for (i = 0; i < NUM_REQUESTS; i++)
  {
    add_peer (i);
    ic[i] =
        GNUNET_PEERINFO_iterate (h, NULL,
                                 GNUNET_TIME_relative_multiply
                                 (GNUNET_TIME_UNIT_SECONDS, 30), &process, cls);
  }
}


int
main (int argc, char *argv[])
{
  if (0 != GNUNET_TESTING_service_run ("perf-gnunet-peerinfo",
				       "peerinfo",
				       "test_peerinfo_api_data.conf",
				       &run, NULL))
    return 1;
  FPRINTF (stderr, "Received %u/%u calls before timeout\n", numpeers,
	   NUM_REQUESTS * NUM_REQUESTS / 2);
  GAUGER ("PEERINFO", "Peerinfo lookups", numpeers / 30, "peers/s");
  return 0;
}

/* end of perf_peerinfo_api.c */