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- /*
- This file is part of GNUnet
- Copyright (C) 2013, 2020 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/gnunet-seti-profiler.c
- * @brief profiling tool for set intersection
- * @author Florian Dold
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_statistics_service.h"
- #include "gnunet_seti_service.h"
- #include "gnunet_testbed_service.h"
- static int ret;
- static unsigned int num_a = 5;
- static unsigned int num_b = 5;
- static unsigned int num_c = 20;
- const static struct GNUNET_CONFIGURATION_Handle *config;
- struct SetInfo
- {
- char *id;
- struct GNUNET_SETI_Handle *set;
- struct GNUNET_SETI_OperationHandle *oh;
- struct GNUNET_CONTAINER_MultiHashMap *sent;
- struct GNUNET_CONTAINER_MultiHashMap *received;
- int done;
- } info1, info2;
- static struct GNUNET_CONTAINER_MultiHashMap *common_sent;
- static struct GNUNET_HashCode app_id;
- static struct GNUNET_PeerIdentity local_peer;
- static struct GNUNET_SETI_ListenHandle *set_listener;
- static unsigned int use_intersection;
- static unsigned int element_size = 32;
- /**
- * Handle to the statistics service.
- */
- static struct GNUNET_STATISTICS_Handle *statistics;
- /**
- * The profiler will write statistics
- * for all peers to the file with this name.
- */
- static char *statistics_filename;
- /**
- * The profiler will write statistics
- * for all peers to this file.
- */
- static FILE *statistics_file;
- static int
- map_remove_iterator (void *cls,
- const struct GNUNET_HashCode *key,
- void *value)
- {
- struct GNUNET_CONTAINER_MultiHashMap *m = cls;
- int ret;
- GNUNET_assert (NULL != key);
- ret = GNUNET_CONTAINER_multihashmap_remove_all (m, key);
- if (GNUNET_OK != ret)
- printf ("spurious element\n");
- return GNUNET_YES;
- }
- /**
- * Callback function to process statistic values.
- *
- * @param cls closure
- * @param subsystem name of subsystem that created the statistic
- * @param name the name of the datum
- * @param value the current value
- * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
- * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
- */
- static int
- statistics_result (void *cls,
- const char *subsystem,
- const char *name,
- uint64_t value,
- int is_persistent)
- {
- if (NULL != statistics_file)
- {
- fprintf (statistics_file, "%s\t%s\t%lu\n", subsystem, name, (unsigned
- long) value);
- }
- return GNUNET_OK;
- }
- static void
- statistics_done (void *cls,
- int success)
- {
- GNUNET_assert (GNUNET_YES == success);
- if (NULL != statistics_file)
- fclose (statistics_file);
- GNUNET_SCHEDULER_shutdown ();
- }
- static void
- check_all_done (void)
- {
- if ((info1.done == GNUNET_NO) || (info2.done == GNUNET_NO))
- return;
- GNUNET_CONTAINER_multihashmap_iterate (info1.received, map_remove_iterator,
- info2.sent);
- GNUNET_CONTAINER_multihashmap_iterate (info2.received, map_remove_iterator,
- info1.sent);
- printf ("set a: %d missing elements\n", GNUNET_CONTAINER_multihashmap_size (
- info1.sent));
- printf ("set b: %d missing elements\n", GNUNET_CONTAINER_multihashmap_size (
- info2.sent));
- if (NULL == statistics_filename)
- {
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- statistics_file = fopen (statistics_filename, "w");
- GNUNET_STATISTICS_get (statistics, NULL, NULL,
- &statistics_done,
- &statistics_result, NULL);
- }
- static void
- set_result_cb (void *cls,
- const struct GNUNET_SETI_Element *element,
- uint64_t current_size,
- enum GNUNET_SETI_Status status)
- {
- struct SetInfo *info = cls;
- struct GNUNET_HashCode hash;
- GNUNET_assert (GNUNET_NO == info->done);
- switch (status)
- {
- case GNUNET_SETI_STATUS_DONE:
- info->done = GNUNET_YES;
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "set intersection done\n");
- check_all_done ();
- info->oh = NULL;
- return;
- case GNUNET_SETI_STATUS_FAILURE:
- info->oh = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "failure\n");
- GNUNET_SCHEDULER_shutdown ();
- return;
- case GNUNET_SETI_STATUS_ADD_LOCAL:
- GNUNET_CRYPTO_hash (element->data,
- element->size,
- &hash);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "set %s: keep element %s\n",
- info->id,
- GNUNET_h2s (&hash));
- break;
- case GNUNET_SETI_STATUS_DEL_LOCAL:
- GNUNET_CRYPTO_hash (element->data,
- element->size,
- &hash);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "set %s: remove element %s\n",
- info->id,
- GNUNET_h2s (&hash));
- return;
- default:
- GNUNET_assert (0);
- }
- if (element->size != element_size)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "wrong element size: %u, expected %u\n",
- element->size,
- (unsigned int) sizeof(struct GNUNET_HashCode));
- GNUNET_assert (0);
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "set %s: got element (%s)\n",
- info->id, GNUNET_h2s (element->data));
- GNUNET_assert (NULL != element->data);
- {
- struct GNUNET_HashCode data_hash;
- GNUNET_CRYPTO_hash (element->data,
- element_size,
- &data_hash);
- GNUNET_CONTAINER_multihashmap_put (info->received,
- &data_hash,
- NULL,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
- }
- }
- static void
- set_listen_cb (void *cls,
- const struct GNUNET_PeerIdentity *other_peer,
- const struct GNUNET_MessageHeader *context_msg,
- struct GNUNET_SETI_Request *request)
- {
- /* max. 1 option plus terminator */
- struct GNUNET_SETI_Option opts[2] = { { 0 } };
- unsigned int n_opts = 0;
- if (NULL == request)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "listener failed\n");
- return;
- }
- GNUNET_assert (NULL == info2.oh);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "set listen cb called\n");
- if (use_intersection)
- {
- opts[n_opts++] = (struct GNUNET_SETI_Option) { .type =
- GNUNET_SETI_OPTION_RETURN_INTERSECTION };
- }
- opts[n_opts].type = GNUNET_SETI_OPTION_END;
- info2.oh = GNUNET_SETI_accept (request,
- opts,
- &set_result_cb,
- &info2);
- GNUNET_SETI_commit (info2.oh,
- info2.set);
- }
- static int
- set_insert_iterator (void *cls,
- const struct GNUNET_HashCode *key,
- void *value)
- {
- struct GNUNET_SETI_Handle *set = cls;
- struct GNUNET_SETI_Element el;
- el.element_type = 0;
- el.data = value;
- el.size = element_size;
- GNUNET_SETI_add_element (set, &el, NULL, NULL);
- return GNUNET_YES;
- }
- static void
- handle_shutdown (void *cls)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Shutting down set profiler\n");
- if (NULL != set_listener)
- {
- GNUNET_SETI_listen_cancel (set_listener);
- set_listener = NULL;
- }
- if (NULL != info1.oh)
- {
- GNUNET_SETI_operation_cancel (info1.oh);
- info1.oh = NULL;
- }
- if (NULL != info2.oh)
- {
- GNUNET_SETI_operation_cancel (info2.oh);
- info2.oh = NULL;
- }
- if (NULL != info1.set)
- {
- GNUNET_SETI_destroy (info1.set);
- info1.set = NULL;
- }
- if (NULL != info2.set)
- {
- GNUNET_SETI_destroy (info2.set);
- info2.set = NULL;
- }
- GNUNET_STATISTICS_destroy (statistics, GNUNET_NO);
- }
- static void
- run (void *cls,
- const struct GNUNET_CONFIGURATION_Handle *cfg,
- struct GNUNET_TESTING_Peer *peer)
- {
- unsigned int i;
- struct GNUNET_HashCode hash;
- /* max. 1 option plus terminator */
- struct GNUNET_SETI_Option opts[2] = { { 0 } };
- unsigned int n_opts = 0;
- config = cfg;
- GNUNET_assert (element_size > 0);
- if (GNUNET_OK != GNUNET_CRYPTO_get_peer_identity (cfg, &local_peer))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "could not retrieve host identity\n");
- ret = 0;
- return;
- }
- statistics = GNUNET_STATISTICS_create ("set-profiler", cfg);
- GNUNET_SCHEDULER_add_shutdown (&handle_shutdown, NULL);
- info1.id = "a";
- info2.id = "b";
- info1.sent = GNUNET_CONTAINER_multihashmap_create (num_a + 1, GNUNET_NO);
- info2.sent = GNUNET_CONTAINER_multihashmap_create (num_b + 1, GNUNET_NO);
- common_sent = GNUNET_CONTAINER_multihashmap_create (num_c + 1, GNUNET_NO);
- info1.received = GNUNET_CONTAINER_multihashmap_create (num_a + 1, GNUNET_NO);
- info2.received = GNUNET_CONTAINER_multihashmap_create (num_b + 1, GNUNET_NO);
- for (i = 0; i < num_a; i++)
- {
- char *data = GNUNET_malloc (element_size);
- GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, data, element_size);
- GNUNET_CRYPTO_hash (data, element_size, &hash);
- GNUNET_CONTAINER_multihashmap_put (info1.sent, &hash, data,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
- }
- for (i = 0; i < num_b; i++)
- {
- char *data = GNUNET_malloc (element_size);
- GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, data, element_size);
- GNUNET_CRYPTO_hash (data, element_size, &hash);
- GNUNET_CONTAINER_multihashmap_put (info2.sent, &hash, data,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
- }
- for (i = 0; i < num_c; i++)
- {
- char *data = GNUNET_malloc (element_size);
- GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, data, element_size);
- GNUNET_CRYPTO_hash (data, element_size, &hash);
- GNUNET_CONTAINER_multihashmap_put (common_sent, &hash, data,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_REPLACE);
- }
- GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_STRONG, &app_id);
- info1.set = GNUNET_SETI_create (config);
- info2.set = GNUNET_SETI_create (config);
- GNUNET_CONTAINER_multihashmap_iterate (info1.sent,
- &set_insert_iterator,
- info1.set);
- GNUNET_CONTAINER_multihashmap_iterate (info2.sent,
- &set_insert_iterator,
- info2.set);
- GNUNET_CONTAINER_multihashmap_iterate (common_sent,
- &set_insert_iterator,
- info1.set);
- GNUNET_CONTAINER_multihashmap_iterate (common_sent,
- &set_insert_iterator,
- info2.set);
- set_listener = GNUNET_SETI_listen (config,
- &app_id,
- &set_listen_cb,
- NULL);
- if (use_intersection)
- {
- opts[n_opts++] = (struct GNUNET_SETI_Option) { .type =
- GNUNET_SETI_OPTION_RETURN_INTERSECTION };
- }
- opts[n_opts].type = GNUNET_SETI_OPTION_END;
- info1.oh = GNUNET_SETI_prepare (&local_peer,
- &app_id,
- NULL,
- opts,
- set_result_cb,
- &info1);
- GNUNET_SETI_commit (info1.oh,
- info1.set);
- GNUNET_SETI_destroy (info1.set);
- info1.set = NULL;
- }
- static void
- pre_run (void *cls,
- char *const *args,
- const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
- {
- if (0 != GNUNET_TESTING_peer_run ("set-profiler",
- cfgfile,
- &run, NULL))
- ret = 2;
- }
- int
- main (int argc, char **argv)
- {
- struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_option_uint ('A',
- "num-first",
- NULL,
- gettext_noop ("number of values"),
- &num_a),
- GNUNET_GETOPT_option_uint ('B',
- "num-second",
- NULL,
- gettext_noop ("number of values"),
- &num_b),
- GNUNET_GETOPT_option_uint ('C',
- "num-common",
- NULL,
- gettext_noop ("number of values"),
- &num_c),
- GNUNET_GETOPT_option_uint ('i',
- "use-intersection",
- NULL,
- gettext_noop (
- "return intersection instead of delta"),
- &use_intersection),
- GNUNET_GETOPT_option_uint ('w',
- "element-size",
- NULL,
- gettext_noop ("element size"),
- &element_size),
- GNUNET_GETOPT_option_filename ('s',
- "statistics",
- "FILENAME",
- gettext_noop ("write statistics to file"),
- &statistics_filename),
- GNUNET_GETOPT_OPTION_END
- };
- GNUNET_PROGRAM_run2 (argc, argv,
- "gnunet-seti-profiler",
- "help",
- options,
- &pre_run,
- NULL,
- GNUNET_YES);
- return ret;
- }
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