gnunet-cadet-profiler.c

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/*
     This file is part of GNUnet.
     Copyright (C) 2011 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
 */
#include <stdio.h>
#include "platform.h"
#include "cadet_test_lib.h"
#include "gnunet_cadet_service.h"
#include "gnunet_statistics_service.h"


#define PING 1
#define PONG 2


#define PING_PERIOD 500

#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 120)

#define SHORT_TIME GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 300)

#define number_rounds sizeof(rounds) / sizeof(rounds[0])

static float rounds[] = { 0.8, 0.6, 0.8, 0.5, 0.3, 0.8, 0.0 };

struct CadetPingMessage {
  struct GNUNET_MessageHeader header;

  uint32_t counter;

  struct GNUNET_TIME_AbsoluteNBO timestamp;

  uint32_t round_number;
};

struct CadetPeer {
  struct GNUNET_TESTBED_Operation *op;

  struct GNUNET_PeerIdentity id;

  struct GNUNET_CADET_Handle *cadet;

  struct GNUNET_CADET_Channel *ch;

  struct GNUNET_CADET_Channel *incoming_ch;

  struct GNUNET_CADET_Channel *warmup_ch;

  int data_sent;

  int data_received;

  int up;

  struct CadetPeer *dest;

  struct CadetPeer *incoming;

  struct GNUNET_SCHEDULER_Task *ping_task;

  struct GNUNET_CADET_TransmitHandle *ping_ntr;

  float mean[number_rounds];
  float var[number_rounds];
  unsigned int pongs[number_rounds];
  unsigned int pings[number_rounds];
};

static struct GNUNET_TIME_Relative round_time;

static struct GNUNET_CONTAINER_MultiPeerMap *ids;

static struct GNUNET_TESTBED_Peer **testbed_handles;

static struct GNUNET_TESTBED_Operation *stats_op;

static struct CadetPeer *peers;

static unsigned int p_ids;

static unsigned long long peers_total;

static unsigned long long peers_running;

static unsigned long long peers_pinging;

static struct GNUNET_CADET_TEST_Context *test_ctx;

static struct GNUNET_SCHEDULER_Task *disconnect_task;

static struct GNUNET_SCHEDULER_Task *test_task;

static unsigned int current_round;

static int do_warmup;

static unsigned int peers_warmup;

static int test_finished;

static struct GNUNET_SCHEDULER_Task *round_task;


static void
start_test(void *cls);


static struct GNUNET_TIME_Relative
delay_ms_rnd(unsigned int max)
{
  unsigned int rnd;

  rnd = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, max);
  return GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, rnd);
}


static unsigned int
get_index(struct CadetPeer *peer)
{
  return peer - peers;
}


static void
show_end_data(void)
{
  struct CadetPeer *peer;
  unsigned int i;
  unsigned int j;

  for (i = 0; i < number_rounds; i++)
    {
      for (j = 0; j < peers_pinging; j++)
        {
          peer = &peers[j];
          fprintf(stdout,
                  "ROUND %3u PEER %3u: %10.2f / %10.2f, PINGS: %3u, PONGS: %3u\n",
                  i, j, peer->mean[i], sqrt(peer->var[i] / (peer->pongs[i] - 1)),
                  peer->pings[i], peer->pongs[i]);
        }
    }
}


static void
disconnect_cadet_peers(void *cls)
{
  long line = (long)cls;
  unsigned int i;

  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "disconnecting cadet service, called from line %ld\n",
             line);
  disconnect_task = NULL;
  for (i = 0; i < peers_total; i++)
    {
      if (NULL != peers[i].op)
        GNUNET_TESTBED_operation_done(peers[i].op);

      if (peers[i].up != GNUNET_YES)
        continue;

      if (NULL != peers[i].ch)
        {
          GNUNET_log(GNUNET_ERROR_TYPE_INFO,
                     "%u: channel %p\n", i, peers[i].ch);
          GNUNET_CADET_channel_destroy(peers[i].ch);
        }
      if (NULL != peers[i].warmup_ch)
        {
          GNUNET_log(GNUNET_ERROR_TYPE_INFO,
                     "%u: warmup channel %p\n",
                     i, peers[i].warmup_ch);
          GNUNET_CADET_channel_destroy(peers[i].warmup_ch);
        }
      if (NULL != peers[i].incoming_ch)
        {
          GNUNET_log(GNUNET_ERROR_TYPE_INFO,
                     "%u: incoming channel %p\n",
                     i, peers[i].incoming_ch);
          GNUNET_CADET_channel_destroy(peers[i].incoming_ch);
        }
    }
  GNUNET_CADET_TEST_cleanup(test_ctx);
  GNUNET_SCHEDULER_shutdown();
}


static void
shutdown_task(void *cls)
{
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "Ending test.\n");
  if (NULL != disconnect_task)
    {
      GNUNET_SCHEDULER_cancel(disconnect_task);
      disconnect_task = GNUNET_SCHEDULER_add_now(&disconnect_cadet_peers,
                                                 (void *)__LINE__);
    }
  if (NULL != round_task)
    {
      GNUNET_SCHEDULER_cancel(round_task);
      round_task = NULL;
    }
  if (NULL != test_task)
    {
      GNUNET_SCHEDULER_cancel(test_task);
      test_task = NULL;
    }
}


static void
abort_test(long line)
{
  if (disconnect_task != NULL)
    {
      GNUNET_SCHEDULER_cancel(disconnect_task);
      disconnect_task = GNUNET_SCHEDULER_add_now(&disconnect_cadet_peers,
                                                 (void *)line);
    }
}

static void
stats_cont(void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg)
{
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "... collecting statistics done.\n");
  GNUNET_TESTBED_operation_done(stats_op);

  if (NULL != disconnect_task)
    GNUNET_SCHEDULER_cancel(disconnect_task);
  disconnect_task = GNUNET_SCHEDULER_add_now(&disconnect_cadet_peers,
                                             (void *)__LINE__);
}


static int
stats_iterator(void *cls,
               const struct GNUNET_TESTBED_Peer *peer,
               const char *subsystem,
               const char *name,
               uint64_t value,
               int is_persistent)
{
  uint32_t i;

  i = GNUNET_TESTBED_get_index(peer);
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             " STATS %u - %s [%s]: %llu\n",
             i, subsystem, name,
             (unsigned long long)value);

  return GNUNET_OK;
}


static void
collect_stats(void *cls)
{
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "Start collecting statistics...\n");
  stats_op = GNUNET_TESTBED_get_statistics(peers_total,
                                           testbed_handles,
                                           NULL, NULL,
                                           &stats_iterator,
                                           &stats_cont, NULL);
}


static void
finish_profiler(void *cls)
{
  test_finished = GNUNET_YES;
  show_end_data();
  GNUNET_SCHEDULER_add_now(&collect_stats, NULL);
}


static void
adjust_running_peers(unsigned int target)
{
  struct GNUNET_TESTBED_Operation *op;
  unsigned int delta;
  unsigned int run;
  unsigned int i;
  unsigned int r;

  GNUNET_assert(target <= peers_total);

  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "adjust peers to %u\n", target);
  if (target > peers_running)
    {
      delta = target - peers_running;
      run = GNUNET_YES;
    }
  else
    {
      delta = peers_running - target;
      run = GNUNET_NO;
    }

  for (i = 0; i < delta; i++)
    {
      do
        {
          r = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK,
                                       peers_total - peers_pinging);
          r += peers_pinging;
        }
      while (peers[r].up == run || NULL != peers[r].incoming);
      GNUNET_log(GNUNET_ERROR_TYPE_INFO, "St%s peer %u: %s\n",
                 run ? "arting" : "opping", r, GNUNET_i2s(&peers[r].id));

      if (NULL != peers[r].ping_task)
        {
          GNUNET_SCHEDULER_cancel(peers[r].ping_task);
          peers[r].ping_task = NULL;
        }
      if (NULL != peers[r].ping_ntr)
        {
          GNUNET_CADET_notify_transmit_ready_cancel(peers[r].ping_ntr);
          peers[r].ping_ntr = NULL;
        }
      peers[r].up = run;

      if (NULL != peers[r].ch)
        GNUNET_CADET_channel_destroy(peers[r].ch);
      peers[r].ch = NULL;
      if (NULL != peers[r].dest)
        {
          if (NULL != peers[r].dest->incoming_ch)
            GNUNET_CADET_channel_destroy(peers[r].dest->incoming_ch);
          peers[r].dest->incoming_ch = NULL;
        }

      op = GNUNET_TESTBED_peer_manage_service(&peers[r], testbed_handles[r],
                                              "cadet", NULL, NULL, run);
      GNUNET_break(NULL != op);
      peers_running += run ? 1 : -1;
      GNUNET_assert(peers_running > 0);
    }
}


static void
next_rnd(void *cls)
{
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "ROUND %u\n",
             current_round);
  if (0.0 == rounds[current_round])
    {
      GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Finishing\n");
      GNUNET_SCHEDULER_add_now(&finish_profiler, NULL);
      return;
    }
  adjust_running_peers(rounds[current_round] * peers_total);
  current_round++;

  round_task = GNUNET_SCHEDULER_add_delayed(round_time,
                                            &next_rnd,
                                            NULL);
}


static size_t
tmt_rdy_ping(void *cls, size_t size, void *buf);


static size_t
tmt_rdy_pong(void *cls, size_t size, void *buf)
{
  struct CadetPingMessage *ping = cls;
  struct CadetPingMessage *pong;

  if (0 == size || NULL == buf)
    {
      GNUNET_free(ping);
      return 0;
    }
  pong = (struct CadetPingMessage *)buf;
  GNUNET_memcpy(pong, ping, sizeof(*ping));
  pong->header.type = htons(PONG);

  GNUNET_free(ping);
  return sizeof(*ping);
}


static void
ping(void *cls)
{
  struct CadetPeer *peer = cls;

  peer->ping_task = NULL;
  if (GNUNET_YES == test_finished)
    return;
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "%u -> %u (%u)\n",
             get_index(peer),
             get_index(peer->dest),
             peer->data_sent);
  peer->ping_ntr = GNUNET_CADET_notify_transmit_ready(peer->ch, GNUNET_NO,
                                                      GNUNET_TIME_UNIT_FOREVER_REL,
                                                      sizeof(struct CadetPingMessage),
                                                      &tmt_rdy_ping, peer);
}

static void
pong(struct GNUNET_CADET_Channel *channel,
     const struct CadetPingMessage *ping)
{
  struct CadetPingMessage *copy;

  copy = GNUNET_new(struct CadetPingMessage);
  *copy = *ping;
  GNUNET_CADET_notify_transmit_ready(channel, GNUNET_NO,
                                     GNUNET_TIME_UNIT_FOREVER_REL,
                                     sizeof(struct CadetPingMessage),
                                     &tmt_rdy_pong, copy);
}


static size_t
tmt_rdy_ping(void *cls, size_t size, void *buf)
{
  struct CadetPeer *peer = cls;
  struct CadetPingMessage *msg = buf;

  peer->ping_ntr = NULL;
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "tmt_rdy called, filling buffer\n");
  if (size < sizeof(struct CadetPingMessage) || NULL == buf)
    {
      GNUNET_break(GNUNET_YES == test_finished);
      GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
                 "size %u, buf %p, data_sent %u, data_received %u\n",
                 (unsigned int)size,
                 buf,
                 peer->data_sent,
                 peer->data_received);

      return 0;
    }
  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "Sending: msg %d\n",
             peer->data_sent);
  msg->header.size = htons(size);
  msg->header.type = htons(PING);
  msg->counter = htonl(peer->data_sent++);
  msg->round_number = htonl(current_round);
  msg->timestamp = GNUNET_TIME_absolute_hton(GNUNET_TIME_absolute_get());
  peer->pings[current_round]++;
  peer->ping_task = GNUNET_SCHEDULER_add_delayed(delay_ms_rnd(PING_PERIOD),
                                                 &ping, peer);

  return sizeof(struct CadetPingMessage);
}


int
ping_handler(void *cls, struct GNUNET_CADET_Channel *channel,
             void **channel_ctx,
             const struct GNUNET_MessageHeader *message)
{
  long n = (long)cls;

  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "%u got PING\n",
             (unsigned int)n);
  GNUNET_CADET_receive_done(channel);
  if (GNUNET_NO == test_finished)
    pong(channel, (struct CadetPingMessage *)message);

  return GNUNET_OK;
}


int
pong_handler(void *cls, struct GNUNET_CADET_Channel *channel,
             void **channel_ctx,
             const struct GNUNET_MessageHeader *message)
{
  long n = (long)cls;
  struct CadetPeer *peer;
  struct CadetPingMessage *msg;
  struct GNUNET_TIME_Absolute send_time;
  struct GNUNET_TIME_Relative latency;
  unsigned int r /* Ping round */;
  float delta;

  GNUNET_CADET_receive_done(channel);
  peer = &peers[n];

  msg = (struct CadetPingMessage *)message;

  send_time = GNUNET_TIME_absolute_ntoh(msg->timestamp);
  latency = GNUNET_TIME_absolute_get_duration(send_time);
  r = ntohl(msg->round_number);
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "%u <- %u (%u) latency: %s\n",
             get_index(peer),
             get_index(peer->dest),
             (uint32_t)ntohl(msg->counter),
             GNUNET_STRINGS_relative_time_to_string(latency, GNUNET_NO));

  /* Online variance calculation */
  peer->pongs[r]++;
  delta = latency.rel_value_us - peer->mean[r];
  peer->mean[r] = peer->mean[r] + delta / peer->pongs[r];
  peer->var[r] += delta * (latency.rel_value_us - peer->mean[r]);

  return GNUNET_OK;
}


static struct GNUNET_CADET_MessageHandler handlers[] = {
  { &ping_handler, PING, sizeof(struct CadetPingMessage) },
  { &pong_handler, PONG, sizeof(struct CadetPingMessage) },
  { NULL, 0, 0 }
};


static void *
incoming_channel(void *cls, struct GNUNET_CADET_Channel *channel,
                 const struct GNUNET_PeerIdentity *initiator,
                 const struct GNUNET_HashCode *port,
                 enum GNUNET_CADET_ChannelOption options)
{
  long n = (long)cls;
  struct CadetPeer *peer;

  peer = GNUNET_CONTAINER_multipeermap_get(ids, initiator);
  GNUNET_assert(NULL != peer);
  if (NULL == peers[n].incoming)
    {
      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
                 "WARMUP %3u: %u <= %u\n",
                 peers_warmup,
                 (unsigned int)n,
                 get_index(peer));
      peers_warmup++;
      if (peers_warmup < peers_total)
        return NULL;
      if (NULL != test_task)
        {
          GNUNET_SCHEDULER_cancel(test_task);
          test_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_SECONDS,
                                                   &start_test, NULL);
        }
      return NULL;
    }
  GNUNET_assert(peer == peers[n].incoming);
  GNUNET_assert(peer->dest == &peers[n]);
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "%u <= %u %p\n",
             (unsigned int)n,
             get_index(peer),
             channel);
  peers[n].incoming_ch = channel;

  return NULL;
}

static void
channel_cleaner(void *cls,
                const struct GNUNET_CADET_Channel *channel,
                void *channel_ctx)
{
  long n = (long)cls;
  struct CadetPeer *peer = &peers[n];

  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "Channel %p disconnected at peer %ld\n", channel, n);
  if (peer->ch == channel)
    peer->ch = NULL;
}


static struct CadetPeer *
select_random_peer(struct CadetPeer *peer)
{
  unsigned int r;

  do
    {
      r = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, peers_total);
    }
  while (NULL != peers[r].incoming);
  peers[r].incoming = peer;

  return &peers[r];
}

static void
start_test(void *cls)
{
  unsigned long i;

  test_task = NULL;
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Start profiler\n");


  for (i = 0; i < peers_pinging; i++)
    {
      peers[i].dest = select_random_peer(&peers[i]);
      peers[i].ch = GNUNET_CADET_channel_create(peers[i].cadet, NULL,
                                                &peers[i].dest->id,
                                                GC_u2h(1));
      if (NULL == peers[i].ch)
        {
          GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Channel %lu failed\n", i);
          GNUNET_CADET_TEST_cleanup(test_ctx);
          return;
        }
      GNUNET_log(GNUNET_ERROR_TYPE_INFO,
                 "%lu => %u %p\n",
                 i,
                 get_index(peers[i].dest),
                 peers[i].ch);
      peers[i].ping_task = GNUNET_SCHEDULER_add_delayed(delay_ms_rnd(2000),
                                                        &ping, &peers[i]);
    }
  peers_running = peers_total;
  if (NULL != disconnect_task)
    GNUNET_SCHEDULER_cancel(disconnect_task);
  disconnect_task =
    GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(round_time,
                                                               number_rounds + 1),
                                 &disconnect_cadet_peers,
                                 (void *)__LINE__);
  round_task = GNUNET_SCHEDULER_add_delayed(round_time,
                                            &next_rnd,
                                            NULL);
}


static void
warmup(void)
{
  struct CadetPeer *peer;
  unsigned int i;

  for (i = 0; i < peers_total; i++)
    {
      peer = select_random_peer(NULL);
      GNUNET_log(GNUNET_ERROR_TYPE_INFO, "WARMUP %u => %u\n",
                 i, get_index(peer));
      peers[i].warmup_ch =
        GNUNET_CADET_channel_create(peers[i].cadet, NULL, &peer->id,
                                    GC_u2h(1));
      if (NULL == peers[i].warmup_ch)
        {
          GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Warmup %u failed\n", i);
          GNUNET_CADET_TEST_cleanup(test_ctx);
          return;
        }
    }
}


static void
peer_id_cb(void *cls,
           struct GNUNET_TESTBED_Operation *op,
           const struct GNUNET_TESTBED_PeerInformation *pinfo,
           const char *emsg)
{
  long n = (long)cls;

  if (NULL == pinfo || NULL != emsg)
    {
      GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "pi_cb: %s\n", emsg);
      abort_test(__LINE__);
      return;
    }
  peers[n].id = *(pinfo->result.id);
  GNUNET_log(GNUNET_ERROR_TYPE_INFO,
             "%ld  id: %s\n",
             n,
             GNUNET_i2s(&peers[n].id));
  GNUNET_break(GNUNET_OK ==
               GNUNET_CONTAINER_multipeermap_put(ids, &peers[n].id, &peers[n],
                                                 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));

  GNUNET_TESTBED_operation_done(peers[n].op);
  peers[n].op = NULL;

  p_ids++;
  if (p_ids < peers_total)
    return;
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Got all IDs, starting profiler\n");
  if (do_warmup)
    {
      struct GNUNET_TIME_Relative delay;

      warmup();
      delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS,
                                            100 * peers_total);
      test_task = GNUNET_SCHEDULER_add_delayed(delay, &start_test, NULL);
      return; /* start_test from incoming_channel */
    }
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "Starting in a second...\n");
  test_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_SECONDS,
                                           &start_test, NULL);
}


static void
tmain(void *cls,
      struct GNUNET_CADET_TEST_Context *ctx,
      unsigned int num_peers,
      struct GNUNET_TESTBED_Peer **testbed_peers,
      struct GNUNET_CADET_Handle **cadetes)
{
  unsigned long i;

  GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
             "test main\n");
  test_ctx = ctx;
  GNUNET_assert(peers_total == num_peers);
  peers_running = num_peers;
  testbed_handles = testbed_peers;
  disconnect_task = GNUNET_SCHEDULER_add_delayed(SHORT_TIME,
                                                 &disconnect_cadet_peers,
                                                 (void *)__LINE__);
  GNUNET_SCHEDULER_add_shutdown(&shutdown_task, NULL);
  for (i = 0; i < peers_total; i++)
    {
      GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
                 "requesting id %ld\n",
                 i);
      peers[i].up = GNUNET_YES;
      peers[i].cadet = cadetes[i];
      peers[i].op =
        GNUNET_TESTBED_peer_get_information(testbed_handles[i],
                                            GNUNET_TESTBED_PIT_IDENTITY,
                                            &peer_id_cb, (void *)i);
    }
  GNUNET_log(GNUNET_ERROR_TYPE_INFO, "requested peer ids\n");
  /* Continues from pi_cb -> do_test */
}


int
main(int argc, char *argv[])
{
  static const struct GNUNET_HashCode *ports[2];
  const char *config_file;

  config_file = ".profiler.conf";

  if (4 > argc)
    {
      fprintf(stderr,
              "usage: %s ROUND_TIME PEERS PINGS [DO_WARMUP]\n",
              argv[0]);
      fprintf(stderr,
              "example: %s 30s 16 1 Y\n",
              argv[0]);
      return 1;
    }

  if (GNUNET_OK !=
      GNUNET_STRINGS_fancy_time_to_relative(argv[1],
                                            &round_time))
    {
      fprintf(stderr,
              "%s is not a valid time\n",
              argv[1]);
      return 1;
    }

  peers_total = atoll(argv[2]);
  if (2 > peers_total)
    {
      fprintf(stderr,
              "%s peers is not valid (> 2)\n",
              argv[1]);
      return 1;
    }
  peers = GNUNET_new_array(peers_total,
                           struct CadetPeer);
  peers_pinging = atoll(argv[3]);

  if (peers_total < 2 * peers_pinging)
    {
      GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
                 "not enough peers, total should be > 2 * peers_pinging\n");
      return 1;
    }

  do_warmup = (5 > argc || argv[4][0] != 'N');

  ids = GNUNET_CONTAINER_multipeermap_create(2 * peers_total,
                                             GNUNET_YES);
  GNUNET_assert(NULL != ids);
  p_ids = 0;
  test_finished = GNUNET_NO;
  ports[0] = GC_u2h(1);
  ports[1] = 0;
  GNUNET_CADET_TEST_run("cadet-profiler", config_file, peers_total,
                        &tmain, NULL, /* tmain cls */
                        &incoming_channel, &channel_cleaner,
                        handlers, ports);
  GNUNET_free(peers);

  return 0;
}

/* end of gnunet-cadet-profiler.c */