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path: root/src/setu/test_setu_api.c
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/*
     This file is part of GNUnet.
     Copyright (C) 2012 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 set/test_setu_api.c
 * @brief testcase for setu_api.c
 * @author Florian Dold
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_setu_service.h"


static struct GNUNET_PeerIdentity local_id;

static struct GNUNET_HashCode app_id;

static struct GNUNET_SETU_Handle *set1;

static struct GNUNET_SETU_Handle *set2;

static struct GNUNET_SETU_ListenHandle *listen_handle;

static struct GNUNET_SETU_OperationHandle *oh1;

static struct GNUNET_SETU_OperationHandle *oh2;

static const struct GNUNET_CONFIGURATION_Handle *config;

static int ret;

static struct GNUNET_SCHEDULER_Task *tt;


static void
result_cb_set1 (void *cls,
                const struct GNUNET_SETU_Element *element,
                uint64_t size,
                enum GNUNET_SETU_Status status)
{
  switch (status)
  {
  case GNUNET_SETU_STATUS_ADD_LOCAL:
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "set 1: got element\n");
    break;

  case GNUNET_SETU_STATUS_FAILURE:
    GNUNET_break (0);
    oh1 = NULL;
    fprintf (stderr, "set 1: received failure status!\n");
    ret = 1;
    if (NULL != tt)
    {
      GNUNET_SCHEDULER_cancel (tt);
      tt = NULL;
    }
    GNUNET_SCHEDULER_shutdown ();
    break;

  case GNUNET_SETU_STATUS_DONE:
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "set 1: done\n");
    oh1 = NULL;
    if (NULL != set1)
    {
      GNUNET_SETU_destroy (set1);
      set1 = NULL;
    }
    if (NULL == set2)
    {
      GNUNET_SCHEDULER_cancel (tt);
      tt = NULL;
      GNUNET_SCHEDULER_shutdown ();
    }
    break;

  default:
    GNUNET_assert (0);
  }
}


static void
result_cb_set2 (void *cls,
                const struct GNUNET_SETU_Element *element,
                uint64_t size,
                enum GNUNET_SETU_Status status)
{
  switch (status)
  {
  case GNUNET_SETU_STATUS_ADD_LOCAL:
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "set 2: got element\n");
    break;

  case GNUNET_SETU_STATUS_FAILURE:
    GNUNET_break (0);
    oh2 = NULL;
    fprintf (stderr, "set 2: received failure status\n");
    GNUNET_SCHEDULER_shutdown ();
    ret = 1;
    break;

  case GNUNET_SETU_STATUS_DONE:
    oh2 = NULL;
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "set 2: done\n");
    GNUNET_SETU_destroy (set2);
    set2 = NULL;
    if (NULL == set1)
    {
      GNUNET_SCHEDULER_cancel (tt);
      tt = NULL;
      GNUNET_SCHEDULER_shutdown ();
    }
    break;

  default:
    GNUNET_assert (0);
  }
}


static void
listen_cb (void *cls,
           const struct GNUNET_PeerIdentity *other_peer,
           const struct GNUNET_MessageHeader *context_msg,
           struct GNUNET_SETU_Request *request)
{
  GNUNET_assert (NULL != context_msg);
  GNUNET_assert (ntohs (context_msg->type) == GNUNET_MESSAGE_TYPE_DUMMY);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "listen cb called\n");
  oh2 = GNUNET_SETU_accept (request,
                            (struct GNUNET_SETU_Option[]){ 0 },
                            &result_cb_set2,
                            NULL);
  GNUNET_SETU_commit (oh2, set2);
}


/**
 * Start the set operation.
 *
 * @param cls closure, unused
 */
static void
start (void *cls)
{
  struct GNUNET_MessageHeader context_msg;

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting reconciliation\n");
  context_msg.size = htons (sizeof context_msg);
  context_msg.type = htons (GNUNET_MESSAGE_TYPE_DUMMY);
  listen_handle = GNUNET_SETU_listen (config,
                                      &app_id,
                                      &listen_cb,
                                      NULL);
  oh1 = GNUNET_SETU_prepare (&local_id,
                             &app_id,
                             &context_msg,
                             (struct GNUNET_SETU_Option[]){ 0 },
                             &result_cb_set1,
                             NULL);
  GNUNET_SETU_commit (oh1, set1);
}


/**
 * Initialize the second set, continue
 *
 * @param cls closure, unused
 */
static void
init_set2 (void *cls)
{
  struct GNUNET_SETU_Element element;

  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "initializing set 2\n");

  element.element_type = 0;
  element.data = "hello1";
  element.size = strlen (element.data);
  GNUNET_SETU_add_element (set2, &element, NULL, NULL);
  element.data = "quux";
  element.size = strlen (element.data);
  GNUNET_SETU_add_element (set2, &element, NULL, NULL);
  element.data = "baz";
  element.size = strlen (element.data);
  GNUNET_SETU_add_element (set2, &element, &start, NULL);
}

/**
 * Generate random byte stream
 */

unsigned char *gen_rdm_bytestream (size_t num_bytes)
{
    unsigned char *stream = GNUNET_malloc (num_bytes + 1);
    GNUNET_CRYPTO_random_block(GNUNET_CRYPTO_QUALITY_WEAK, stream, num_bytes - 1);
    return stream;
}

/**
 * Generate random sets
 */

static void
initRandomSets(int overlap, int set1_size, int set2_size, int element_size_in_bytes)
{
    struct GNUNET_SETU_Element element;
    element.element_type = 0;

    // Add elements to both sets
    for (int i = 0; i < overlap; i++) {
        element.data = gen_rdm_bytestream(element_size_in_bytes);
        element.size = strlen (element.data);
        GNUNET_SETU_add_element (set1, &element, NULL, NULL);
        GNUNET_SETU_add_element (set2, &element, NULL, NULL);
        set1_size--;
        set2_size--;
    }
    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "initialized elements in both sets\n");

    // Add other elements to set 1
    while(set1_size>0) {
        element.data = gen_rdm_bytestream(element_size_in_bytes);
        element.size = strlen (element.data);
        GNUNET_SETU_add_element (set1, &element, NULL, NULL);
        set1_size--;
    }
    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "initialized elements in set1\n");

    // Add other elements to set 2
    while(set2_size > 0) {
        element.data = gen_rdm_bytestream(element_size_in_bytes);
        element.size = strlen (element.data);

        if(set2_size != 1) {
            GNUNET_SETU_add_element (set2, &element,NULL, NULL);
        } else {
            GNUNET_SETU_add_element (set2, &element,&start, NULL);
        }

        set2_size--;
    }
    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "initialized elements in set2\n");
}

/**
 * Initialize the first set, continue.
 */
static void
init_set1 (void)
{
  struct GNUNET_SETU_Element element;

  element.element_type = 0;
  element.data = "hello";
  element.size = strlen (element.data);
  GNUNET_SETU_add_element (set1, &element, NULL, NULL);
  element.data = "bar";
  element.size = strlen (element.data);
  GNUNET_SETU_add_element (set1, &element, &init_set2, NULL);
  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "initialized set 1\n");
}


/**
 * Function run on timeout.
 *
 * @param cls closure
 */
static void
timeout_fail (void *cls)
{
  tt = NULL;
  GNUNET_log (GNUNET_ERROR_TYPE_MESSAGE, "Testcase failed with timeout\n");
  GNUNET_SCHEDULER_shutdown ();
  ret = 1;
}


/**
 * Function run on shutdown.
 *
 * @param cls closure
 */
static void
do_shutdown (void *cls)
{
  if (NULL != tt)
  {
    GNUNET_SCHEDULER_cancel (tt);
    tt = NULL;
  }
  if (NULL != oh1)
  {
    GNUNET_SETU_operation_cancel (oh1);
    oh1 = NULL;
  }
  if (NULL != oh2)
  {
    GNUNET_SETU_operation_cancel (oh2);
    oh2 = NULL;
  }
  if (NULL != set1)
  {
    GNUNET_SETU_destroy (set1);
    set1 = NULL;
  }
  if (NULL != set2)
  {
    GNUNET_SETU_destroy (set2);
    set2 = NULL;
  }
  if (NULL != listen_handle)
  {
    GNUNET_SETU_listen_cancel (listen_handle);
    listen_handle = NULL;
  }
}


/**
 * Signature of the 'main' function for a (single-peer) testcase that
 * is run using 'GNUNET_TESTING_peer_run'.
 *
 * @param cls closure
 * @param cfg configuration of the peer that was started
 * @param peer identity of the peer that was created
 */
static void
run (void *cls,
     const struct GNUNET_CONFIGURATION_Handle *cfg,
     struct GNUNET_TESTING_Peer *peer)
{
  struct GNUNET_SETU_OperationHandle *my_oh;

  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Running preparatory tests\n");
  tt = GNUNET_SCHEDULER_add_delayed (
    GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
    &timeout_fail,
    NULL);
  GNUNET_SCHEDULER_add_shutdown (&do_shutdown, NULL);

  config = cfg;
  GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_get_peer_identity (cfg,
                                                               &local_id));
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "my id (from CRYPTO): %s\n",
              GNUNET_i2s (&local_id));
  GNUNET_TESTING_peer_get_identity (peer,
                                    &local_id);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "my id (from TESTING): %s\n",
              GNUNET_i2s (&local_id));
  set1 = GNUNET_SETU_create (cfg);
  set2 = GNUNET_SETU_create (cfg);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Created sets %p and %p for union operation\n",
              set1,
              set2);
  GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &app_id);

  /* test if canceling an uncommited request works! */
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Launching and instantly stopping set operation\n");
  my_oh = GNUNET_SETU_prepare (&local_id,
                               &app_id,
                               NULL,
                               (struct GNUNET_SETU_Option[]){ 0 },
                               NULL,
                               NULL);
  GNUNET_SETU_operation_cancel (my_oh);

  /* test the real set reconciliation */
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Running real set-reconciliation\n");
  //init_set1 ();
  initRandomSets(19500,20000,20000,4096);
  //initRandomSets(19500,20000,20000,32);
}


int
main (int argc, char **argv)
{
  GNUNET_log_setup ("test_setu_api",
                    "WARNING",
                    NULL);
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Launching peer\n");
  if (0 !=
      GNUNET_TESTING_peer_run ("test_setu_api",
                               "test_setu.conf",
                               &run,
                               NULL))
  {
    return 1;
  }
  return ret;
}