This file is part of GNUnet.
Copyright (C) 2009, 2012 GNUnet e.V.
- 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 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
- 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ 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/>.
*/
/**
* @file rps/test_rps.c
*/
static uint32_t num_peers;
+/**
+ * How long do we run the test?
+ * In seconds.
+ */
+static uint32_t timeout_s;
+
/**
* How long do we run the test?
*/
*/
static int ok;
+/**
+ * Identifier for the churn task that runs periodically
+ */
+static struct GNUNET_SCHEDULER_Task *post_test_task;
+
/**
* Identifier for the churn task that runs periodically
*/
uint32_t stat_collect_flags;
} cur_test_run;
+/**
+ * Did we finish the test?
+ */
+static int post_test;
+
/**
* Are we shutting down?
*/
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Shutdown task scheduled, going down.\n");
in_shutdown = GNUNET_YES;
+ if (NULL != post_test_task)
+ {
+ GNUNET_SCHEDULER_cancel (post_test_task);
+ }
+ if (NULL != churn_task)
+ {
+ GNUNET_SCHEDULER_cancel (churn_task);
+ churn_task = NULL;
+ }
+ for (i = 0; i < num_peers; i++)
+ {
+ if (NULL != rps_peers[i].rps_handle)
+ {
+ GNUNET_RPS_disconnect (rps_peers[i].rps_handle);
+ }
+ if (NULL != rps_peers[i].op)
+ {
+ GNUNET_TESTBED_operation_done (rps_peers[i].op);
+ }
+ }
+}
+
+
+/**
+ * Task run on timeout to collect statistics and potentially shut down.
+ */
+static void
+post_test_op (void *cls)
+{
+ unsigned int i;
+
+ post_test_task = NULL;
+ post_test = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Post test task scheduled, going down.\n");
if (NULL != churn_task)
{
GNUNET_SCHEDULER_cancel (churn_task);
for (i = 0; i < num_peers; i++)
{
if (NULL != rps_peers[i].op)
+ {
GNUNET_TESTBED_operation_done (rps_peers[i].op);
+ rps_peers[i].op = NULL;
+ }
if (NULL != cur_test_run.post_test)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Executing post_test for peer %u\n", i);
unsigned int amount;
unsigned int i;
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
+ {
+ return;
+ }
+
+ GNUNET_assert (NULL != peer->rps_handle);
+
// TODO if malicious don't seed mal peers
amount = round (.5 * num_peers);
{
struct OpListEntry *entry = (struct OpListEntry *) cb_cls;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
struct RPSPeer *rps_peer = cls;
struct GNUNET_RPS_Handle *rps = ca_result;
- if (GNUNET_YES == in_shutdown)
+ GNUNET_assert (NULL != ca_result);
+
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
struct GNUNET_RPS_Handle *h;
h = GNUNET_RPS_connect (cfg);
+ GNUNET_assert (NULL != h);
if (NULL != cur_test_run.pre_test)
cur_test_run.pre_test (cls, h);
+ GNUNET_assert (NULL != h);
return h;
}
if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
- GNUNET_assert (NULL != shutdown_task);
- GNUNET_SCHEDULER_cancel (shutdown_task);
- shutdown_task = GNUNET_SCHEDULER_add_now (&shutdown_op, NULL);
- GNUNET_assert (NULL!= shutdown_task);
+ GNUNET_assert (NULL != post_test_task);
+ GNUNET_SCHEDULER_cancel (post_test_task);
+ post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL);
+ GNUNET_assert (NULL!= post_test_task);
}
}
struct RPSPeer *rps_peer;
struct PendingReply *pending_rep;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
return;
rps_peer = pending_req->rps_peer;
GNUNET_assert (1 <= rps_peer->num_pending_reqs);
struct RPSPeer *rps_peer = cls;
struct PendingReply *pending_rep;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
return;
pending_rep = rps_peer->pending_rep_head;
GNUNET_assert (1 <= rps_peer->num_pending_reps);
{
uint32_t num_mal_peers;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
single_req_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
delay_req_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
seed_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
seed_big_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
seed_req_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
req_cancel_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
churn_test_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
// FIXME
struct OpListEntry *entry = cls;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
double portion_go_online;
double portion_go_offline;
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
static void
profiler_cb (struct RPSPeer *rps_peer)
{
- if (GNUNET_YES == in_shutdown)
+ if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
{
return;
}
return evaluate ();
}
-/**
- * @brief Try to ensure that `/tmp/rps` exists.
- *
- * @return #GNUNET_YES on success
- * #GNUNET_SYSERR on failure
- */
-static int ensure_folder_exist (void)
-{
- if (GNUNET_NO == GNUNET_DISK_directory_test ("/tmp/rps/", GNUNET_NO))
- {
- GNUNET_DISK_directory_create ("/tmp/rps");
- }
- if (GNUNET_YES != GNUNET_DISK_directory_test ("/tmp/rps/", GNUNET_NO))
- {
- return GNUNET_SYSERR;
- }
- return GNUNET_YES;
-}
-
-static const char *
-store_prefix_file_name (struct RPSPeer *rps_peer, const char *prefix)
-{
- unsigned int len_file_name;
- unsigned int out_size;
- char *file_name;
- const char *pid_long;
-
- if (GNUNET_SYSERR == ensure_folder_exist()) return NULL;
- pid_long = GNUNET_i2s_full (rps_peer->peer_id);
- len_file_name = (strlen (prefix) +
- strlen (pid_long) +
- 11)
- * sizeof (char);
- file_name = GNUNET_malloc (len_file_name);
- out_size = GNUNET_snprintf (file_name,
- len_file_name,
- "/tmp/rps/%s-%s",
- prefix,
- pid_long);
- if (len_file_name < out_size ||
- 0 > out_size)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Failed to write string to buffer (size: %i, out_size: %i)\n",
- len_file_name,
- out_size);
- }
- return file_name;
-}
-
static uint32_t fac (uint32_t x)
{
if (1 >= x)
static uint32_t binom (uint32_t n, uint32_t k)
{
- GNUNET_assert (n >= k);
+ //GNUNET_assert (n >= k);
+ if (k > n) return 0;
+ if (0 > n) return 0;
+ if (0 > k) return 0;
if (0 == k) return 1;
return fac (n)
/
* @param a
* @param b
*
- * @return
+ * @return
*/
static int is_in_view (uint32_t a, uint32_t b)
{
}
}
//return 0; /* Should not happen - make compiler happy */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "No known _PeerIdentity %s!\n",
+ GNUNET_i2s_full (pid));
GNUNET_assert (0);
}
{
//double probs[num_peers] = { 0 };
double probs[num_peers];
- size_t probs_as_str_size = (num_peers * 6 + 1) * sizeof (char);
+ size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof (char);
char *probs_as_str = GNUNET_malloc (probs_as_str_size);
char *probs_as_str_cpy;
uint32_t i;
double prob_pull;
uint32_t view_size;
uint32_t cont_views;
+ uint32_t number_of_being_in_pull_events;
int tmp;
uint32_t count_non_zero_prob = 0;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Computing probabilities for peer %" PRIu32 "\n", peer_idx);
/* Firstly without knowledge of old views */
for (i = 0; i < num_peers; i++)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\tfor peer %" PRIu32 ":\n", i);
view_size = rps_peers[i].cur_view_count;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\tview_size: %" PRIu32 "\n", view_size);
/* For peer i the probability of being sampled is
* evenly distributed among all possibly observed peers. */
/* We could have observed a peer in three cases:
prob_push = 1.0 * binom (0.45 * view_size, 1)
/
binom (view_size, 0.45 * view_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
+ peer_idx,
+ i,
+ prob_push);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n",
+ binom (view_size, 0.45 * view_size),
+ binom (0.45 * view_size, 1));
} else {
prob_push = 0;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
+ peer_idx,
+ i);
}
/* 2. Probability of peer i being contained in pulls */
- // FIXME this computation is not yet correct
view_size = rps_peers[peer_idx].cur_view_count;
- cont_views = count_containing_views (i, peer_idx);
- prob_pull = 1.0 -
- (1.0 / binom (view_size, 0.45 * view_size));
+ cont_views = count_containing_views (peer_idx, i);
+ number_of_being_in_pull_events =
+ (binom (view_size, 0.45 * view_size) -
+ binom (view_size - cont_views, 0.45 * view_size));
+ if (0 != number_of_being_in_pull_events)
+ {
+ prob_pull = number_of_being_in_pull_events
+ /
+ (1.0 * binom (view_size, 0.45 * view_size));
+ } else
+ {
+ prob_pull = 0;
+ }
probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
+ " peers in its view who know %" PRIu32 " prob: %f\n",
+ peer_idx,
+ cont_views,
+ view_size,
+ i,
+ prob_pull);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\tnumber of possible pull combinations: %" PRIu32 "\n",
+ binom (view_size, 0.45 * view_size));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\tnumber of possible pull combinations without %" PRIu32
+ ": %" PRIu32 "\n",
+ i,
+ binom (view_size - cont_views, 0.45 * view_size));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "\t\tnumber of possible pull combinations with %" PRIu32
+ ": %" PRIu32 "\n",
+ i,
+ number_of_being_in_pull_events);
if (0 != probs[i]) count_non_zero_prob++;
}
/* normalize */
- for (i = 0; i < num_peers; i++)
+ if (0 != count_non_zero_prob)
{
- probs[i] = probs[i] * (1.0 / count_non_zero_prob);
+ for (i = 0; i < num_peers; i++)
+ {
+ probs[i] = probs[i] * (1.0 / count_non_zero_prob);
+ }
+ } else {
+ for (i = 0; i < num_peers; i++)
+ {
+ probs[i] = 0;
+ }
}
/* str repr */
for (i = 0; i < num_peers; i++)
probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size);
tmp = GNUNET_snprintf (probs_as_str,
probs_as_str_size,
- "%s %3.2f ", probs_as_str_cpy, probs[i]);
+ "%s %7.6f", probs_as_str_cpy, probs[i]);
GNUNET_free (probs_as_str_cpy);
GNUNET_assert (0 <= tmp);
}
- to_file (rps_peers[peer_idx].file_name_probs, probs_as_str);
+ to_file_w_len (rps_peers[peer_idx].file_name_probs,
+ probs_as_str_size,
+ probs_as_str);
GNUNET_free (probs_as_str);
}
rps_peer->cur_view_count,
view_size);
//*rps_peer->cur_view = *peers;
- memcpy (rps_peer->cur_view,
- peers,
- view_size * sizeof (struct GNUNET_PeerIdentity));
+ GNUNET_memcpy (rps_peer->cur_view,
+ peers,
+ view_size * sizeof (struct GNUNET_PeerIdentity));
to_file ("/tmp/rps/count_in_views.txt",
"%" PRIu64 " %" PRIu32 "",
rps_peer->index,
count_peer_in_views_2 (rps_peer->index));
cumulated_view_sizes();
- to_file ("/tmp/rps/repr.txt",
- "%" PRIu64 /* index */
- " %" PRIu32 /* occurrence in views */
- " %" PRIu32 /* view sizes */
- " %f" /* fraction of repr in views */
- " %f" /* average view size */
- " %f" /* prob of occurrence in view slot */
- " %f" "", /* exp frac of repr in views */
- rps_peer->index,
- count_peer_in_views_2 (rps_peer->index),
- view_sizes,
- count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
- view_sizes / (view_size * 1.0), /* average view size */
- 1.0 /view_size, /* prob of occurrence in view slot */
- (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */
- );
+ if (0 != view_size)
+ {
+ to_file ("/tmp/rps/repr.txt",
+ "%" PRIu64 /* index */
+ " %" PRIu32 /* occurrence in views */
+ " %" PRIu32 /* view sizes */
+ " %f" /* fraction of repr in views */
+ " %f" /* average view size */
+ " %f" /* prob of occurrence in view slot */
+ " %f" "", /* exp frac of repr in views */
+ rps_peer->index,
+ count_peer_in_views_2 (rps_peer->index),
+ view_sizes,
+ count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
+ view_sizes / (view_size * 1.0), /* average view size */
+ 1.0 /view_size, /* prob of occurrence in view slot */
+ (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */
+ );
+ }
compute_probabilities (rps_peer->index);
all_views_updated_cb();
}
static void
pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
{
- rps_peer->file_name_probs = store_prefix_file_name (rps_peer, "probs");
+ rps_peer->file_name_probs =
+ store_prefix_file_name (rps_peer->peer_id, "probs");
GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer);
}
stat_cls = GNUNET_malloc (sizeof (struct STATcls));
stat_cls->rps_peer = rps_peer;
stat_cls->stat_type = stat_type;
- rps_peer->file_name_stats = store_prefix_file_name (rps_peer, "stats");
+ rps_peer->file_name_stats =
+ store_prefix_file_name (rps_peer->peer_id, "stats");
GNUNET_STATISTICS_get (rps_peer->stats_h,
"rps",
stat_type_2_str (stat_type),
if (NULL != churn_task)
GNUNET_SCHEDULER_cancel (churn_task);
+ post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL);
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
+ (timeout_s * 1.2) + 0.1 * num_peers);
shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
+ shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_op, NULL);
+
}
cur_test_run.stat_collect_flags = 0;
cur_test_run.have_collect_view = NO_COLLECT_VIEW;
churn_task = NULL;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);
+ timeout_s = 30;
if (strstr (argv[0], "malicious") != NULL)
{
cur_test_run.main_test = seed_big_cb;
cur_test_run.eval_cb = no_eval;
cur_test_run.have_churn = HAVE_NO_CHURN;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
+ timeout_s = 10;
}
else if (strstr (argv[0], "_single_peer_seed") != NULL)
cur_test_run.main_test = req_cancel_cb;
cur_test_run.eval_cb = no_eval;
cur_test_run.have_churn = HAVE_NO_CHURN;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
+ timeout_s = 10;
}
else if (strstr (argv[0], "_churn") != NULL)
cur_test_run.main_test = churn_test_cb;
cur_test_run.reply_handle = default_reply_handle;
cur_test_run.eval_cb = default_eval_cb;
- cur_test_run.have_churn = HAVE_CHURN;
+ cur_test_run.have_churn = HAVE_NO_CHURN;
cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
+ timeout_s = 10;
}
else if (strstr (argv[0], "profiler") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
cur_test_run.name = "test-rps-profiler";
- num_peers = 10;
+ num_peers = 16;
mal_type = 3;
cur_test_run.init_peer = profiler_init_peer;
//cur_test_run.pre_test = mal_pre;
cur_test_run.post_test = post_profiler;
cur_test_run.request_interval = 2;
cur_test_run.num_requests = 5;
- cur_test_run.have_churn = HAVE_CHURN;
+ //cur_test_run.have_churn = HAVE_CHURN;
+ cur_test_run.have_churn = HAVE_NO_CHURN;
cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS |
STAT_TYPE_RECV_PULL_REQ |
STAT_TYPE_RECV_PULL_REP;
cur_test_run.have_collect_view = COLLECT_VIEW;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300);
+ timeout_s = 150;
/* 'Clean' directory */
(void) GNUNET_DISK_directory_remove ("/tmp/rps/");
GNUNET_DISK_directory_create ("/tmp/rps/");
}
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s);
rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
}
ret_value = cur_test_run.eval_cb();
+
if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
{
GNUNET_array_grow (rps_peers->cur_view,
projects / oweals / gnunet.git / blobdiff