/*
This file is part of GNUnet.
- (C) 2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2014 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
*/
#define PUT_PROBABILITY 50
-#if ENABLE_MALICIOUS
-/**
- * Number of peers which should act as malicious peers
- */
-#define MALICIOUS_PROBABILITY 20
-
-/**
- * Context for a peer which should act maliciously.
- */
-struct MaliciousContext;
-#endif
-
-
/**
* Configuration
*/
*/
struct ActiveContext *ac;
-#if ENABLE_MALICIOUS
- /**
- * Malicious context; NULL if this peer is NOT malicious.
- */
- struct MaliciousContext *mc;
-#endif
-};
-
-
-#if ENABLE_MALICIOUS
-/**
- * Context for a peer which should act maliciously.
- */
-struct MaliciousContext
-{
- /**
- * The linked peer context
- */
- struct Context *ctx;
-
- /**
- * Handler to the DHT service
- */
- struct GNUNET_DHT_Handle *dht;
-
- /**
- * Handler to malicious api
- */
- struct GNUNET_DHT_ActMaliciousHandle *dht_malicious;
};
-/**
- * List of all the malicious peers contexts.
- */
-struct Context **malicious_peer_contexts = NULL;
-
-/**
- * Context for a peer which should act maliciously.
- */
-struct Malicious_Context
-{
- /**
- * The linked peer context
- */
- struct Context *ctx;
-
- /**
- * Handler to the DHT service
- */
- struct GNUNET_DHT_Handle *dht;
-};
-
-/**
- * Array of malicious peers.
- */
-static struct MaliciousContext *a_mc;
-
-/**
- * Number or malicious peers.
- */
-static unsigned int n_malicious;
-
-#endif
/**
* Context for a peer which actively does DHT PUT/GET
/**
* Delay task
*/
- GNUNET_SCHEDULER_TaskIdentifier delay_task;
+ struct GNUNET_SCHEDULER_Task * delay_task;
/**
* The size of the @e put_data
/**
* Task to collect peer and its current successor statistics.
*/
-static GNUNET_SCHEDULER_TaskIdentifier successor_stats_task;
+static struct GNUNET_SCHEDULER_Task * successor_stats_task;
/**
* Closure for successor_stats_task.
*/
static unsigned int tries;
+
/**
* Task that collects successor statistics from all the peers.
+ *
* @param cls
- * @param tc
*/
static void
-collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+collect_stats (void *cls);
+
/**
* Connect to DHT services of active peers
*/
static void
-start_profiling();
+start_profiling (void);
+
/**
* Shutdown task. Cleanup all resources and operations.
*
* @param cls NULL
- * @param tc scheduler task context
*/
static void
-do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls)
{
struct ActiveContext *ac;
unsigned int cnt;
ac = a_ctx[cnt].ac;
if (NULL != ac)
{
- if (GNUNET_SCHEDULER_NO_TASK != ac->delay_task)
+ if (NULL != ac->delay_task)
GNUNET_SCHEDULER_cancel (ac->delay_task);
if (NULL != ac->put_data)
GNUNET_free (ac->put_data);
a_ctx = NULL;
}
//FIXME: Should we collect stats only for put/get not for other messages.
- if(NULL != bandwidth_stats_op)
+ if (NULL != bandwidth_stats_op)
+ {
GNUNET_TESTBED_operation_done (bandwidth_stats_op);
- bandwidth_stats_op = NULL;
+ bandwidth_stats_op = NULL;
+ }
+ if (NULL != successor_stats_op)
+ {
+ GNUNET_TESTBED_operation_done (successor_stats_op);
+ successor_stats_op = NULL;
+ }
+ if (NULL != successor_stats_task)
+ {
+ GNUNET_SCHEDULER_cancel (successor_stats_task);
+ successor_stats_task = NULL;
+ }
GNUNET_free_non_null (a_ac);
}
struct GNUNET_TESTBED_Operation *op,
const char *emsg)
{
- INFO ("# Outgoing bandwidth: %u\n", outgoing_bandwidth);
- INFO ("# Incoming bandwidth: %u\n", incoming_bandwidth);
+ INFO ("# Outgoing bandwidth: %llu\n",
+ (unsigned long long) outgoing_bandwidth);
+ INFO ("# Incoming bandwidth: %llu\n",
+ (unsigned long long) incoming_bandwidth);
GNUNET_SCHEDULER_shutdown ();
}
* @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
+ * @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
bandwidth_stats_iterator (void *cls,
* Task to cancel DHT GET.
*
* @param cls NULL
- * @param tc scheduler task context
*/
static void
-cancel_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+cancel_get (void *cls)
{
struct ActiveContext *ac = cls;
struct Context *ctx = ac->ctx;
- ac->delay_task = GNUNET_SCHEDULER_NO_TASK;
+ ac->delay_task = NULL;
GNUNET_assert (NULL != ac->dht_get);
GNUNET_DHT_get_stop (ac->dht_get);
ac->dht_get = NULL;
get_ac->nrefs--;
GNUNET_DHT_get_stop (ac->dht_get);
ac->dht_get = NULL;
- if (ac->delay_task != GNUNET_SCHEDULER_NO_TASK)
+ if (ac->delay_task != NULL)
GNUNET_SCHEDULER_cancel (ac->delay_task);
- ac->delay_task = GNUNET_SCHEDULER_NO_TASK;
+ ac->delay_task = NULL;
GNUNET_assert (NULL != ctx->op);
GNUNET_TESTBED_operation_done (ctx->op);
ctx->op = NULL;
total_put_path_length = total_put_path_length + (double)put_path_length;
total_get_path_length = total_get_path_length + (double)get_path_length;
- DEBUG ("total_put_path_length = %f,put_path \n",total_put_path_length);
+ DEBUG ("total_put_path_length = %u,put_path \n",
+ total_put_path_length);
/* Summarize if profiling is complete */
if (n_active == n_gets_fail + n_gets_ok)
{
* Task to do DHT GETs
*
* @param cls the active context
- * @param tc the scheduler task context
*/
static void
-delayed_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+delayed_get (void *cls)
{
struct ActiveContext *ac = cls;
struct ActiveContext *get_ac;
unsigned int r;
- ac->delay_task = GNUNET_SCHEDULER_NO_TASK;
+ ac->delay_task = NULL;
get_ac = NULL;
while (1)
{
* clear the operation during shutdown.
*
* @param cls the context
- * @return tc scheduler task context.
*/
static void
-teardown_dht_connection (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+teardown_dht_connection (void *cls)
{
struct Context *ctx = cls;
struct GNUNET_TESTBED_Operation *op;
- if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
- return;
GNUNET_assert (NULL != ctx);
GNUNET_assert (NULL != (op = ctx->op));
ctx->op = NULL;
/**
- * Task to do DHT PUTS
+ * Task to do DHT PUTs
*
* @param cls the active context
- * @param tc the scheduler task context
*/
static void
-delayed_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+delayed_put (void *cls)
{
struct ActiveContext *ac = cls;
- ac->delay_task = GNUNET_SCHEDULER_NO_TASK;
+ ac->delay_task = NULL;
/* Generate and DHT PUT some random data */
ac->put_data_size = 16; /* minimum */
ac->put_data_size += GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
ac->put_data, ac->put_data_size);
GNUNET_CRYPTO_hash (ac->put_data, ac->put_data_size, &ac->hash);
- DEBUG ("PUT_REQUEST_START key %s \n", GNUNET_h2s((struct GNUNET_HashCode *)ac->put_data));
- ac->dht_put = GNUNET_DHT_put (ac->dht, &ac->hash,
+ DEBUG ("PUT_REQUEST_START key %s\n",
+ GNUNET_h2s((struct GNUNET_HashCode *)ac->put_data));
+ ac->dht_put = GNUNET_DHT_put (ac->dht,
+ &ac->hash,
replication,
GNUNET_DHT_RO_RECORD_ROUTE,
GNUNET_BLOCK_TYPE_TEST,
ac->put_data_size,
ac->put_data,
GNUNET_TIME_UNIT_FOREVER_ABS, /* expiration time */
- timeout, /* PUT timeout */
- put_cont, ac); /* continuation and its closure */
+ &put_cont, ac); /* continuation and its closure */
n_puts++;
}
}
}
-#if ENABLE_MALICIOUS
-/**
- * Count of total number of malicious peers.
- */
-static unsigned int count_malicious;
-
-/**
- * Continuation of GNUNET_DHT_act_malicious
- * @param cls Malicious context
- * @param success #GNUNET_OK if the ACT_MALICIOUS was transmitted,
- * #GNUNET_NO on timeout,
- * #GNUNET_SYSERR on disconnect from service
- * after the ACT_MALICIOUS message was transmitted
- * (so we don't know if it was received or not)
- */
-static void
-act_malicious_cont (void *cls, int success)
-{
- struct MaliciousContext *mc = cls;
- struct Context *ctx = mc->ctx;
-
- GNUNET_TESTBED_operation_done (ctx->op);
- ctx->op = NULL;
- return;
-}
-
-
-/**
- * Call malicious API for all the malicious peers.
- * @param cls the malicious context.
- * @param op the operation that has been finished
- * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
- * @param emsg error message in case the operation has failed; will be NULL if
- * operation has executed successfully.
- */
-static void
-dht_set_malicious(void *cls,
- struct GNUNET_TESTBED_Operation *op,
- void *ca_result,
- const char *emsg)
-{
- struct MaliciousContext *mc = cls;
- struct Context *ctx = mc->ctx;
-
- GNUNET_assert (NULL != ctx);
- GNUNET_assert (NULL != ctx->op);
- GNUNET_assert (ctx->op == op);
- mc->dht = (struct GNUNET_DHT_Handle *) ca_result;
- if (NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Connection to DHT service failed: %s\n", emsg);
- GNUNET_TESTBED_operation_done (ctx->op); /* Calls dht_disconnect_malicious() */
- ctx->op = NULL;
- return;
- }
- mc->dht_malicious = GNUNET_DHT_act_malicious(mc->dht, 1, act_malicious_cont, mc);
-}
-
-
-/**
- * Adapter function called to destroy a connection to
- * a service.
- *
- * @param cls the active context
- * @param op_result service handle returned from the connect adapter
- */
-static void
-dht_disconnect_malicious (void *cls, void *op_result)
-{
- struct MaliciousContext *mc = cls;
- count_malicious++;
- GNUNET_assert (NULL != mc->dht);
- GNUNET_assert (mc->dht == op_result);
- GNUNET_DHT_disconnect (mc->dht);
- mc->dht = NULL;
- mc->ctx->op = NULL;
- n_dht--;
-
- if (0 != n_dht)
- return;
-
- if(n_malicious == count_malicious)
- {
- DEBUG("\n Call start_profiling()");
- start_profiling();
- }
-}
-
-
-/**
- * Set the malicious variable in peer malicious context.
- */
-static void
-set_malicious()
-{
- unsigned int i;
-
- DEBUG ("Setting %u peers malicious",
- n_malicious);
- for(i = 0; i < n_malicious; i++)
- {
- struct MaliciousContext *mc = &a_mc[i];
- mc->ctx->op =
- GNUNET_TESTBED_service_connect (mc->ctx,
- mc->ctx->peer,
- "dht",
- &dht_set_malicious, mc,
- &dht_connect,
- &dht_disconnect_malicious,
- mc);
- }
-}
-
-#endif
-
-
/**
* Start collecting relevant statistics. If ENABLE_MALICIOUS set, first
* set the malicious peers. If not, then start with PUT operation on active
static void
start_func()
{
-#if ENABLE_MALICIOUS
- set_malicious();
-#else
start_profiling();
-#endif
}
int count;
/* Don't schedule the task till we are looking for circle here. */
- successor_stats_task = GNUNET_SCHEDULER_NO_TASK;
+ successor_stats_task = NULL;
GNUNET_TESTBED_operation_done (successor_stats_op);
successor_stats_op = NULL;
if (0 == max_searches)
{
- start_func();
+ start_func ();
return;
}
GNUNET_NO);
if ((start_val == val) && (count == num_peers))
{
- DEBUG("CIRCLE COMPLETED after %u tries", tries);
- if(GNUNET_SCHEDULER_NO_TASK == successor_stats_task)
+ DEBUG ("CIRCLE COMPLETED after %u tries", tries);
+ if(NULL == successor_stats_task)
{
start_func();
}
return;
}
- else
+ if (max_searches == ++tries)
{
- if (max_searches == ++tries)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Maximum tries %u exceeded while checking successor TOTAL TRIES %u"
- " circle formation. Exiting\n",
- max_searches,tries);
- if (GNUNET_SCHEDULER_NO_TASK != successor_stats_task)
- {
- successor_stats_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if(GNUNET_SCHEDULER_NO_TASK == successor_stats_task)
- {
- start_func();
- }
-
- return;
- }
- else
- {
- flag = 0;
- successor_stats_task = GNUNET_SCHEDULER_add_delayed (delay_stats,
- &collect_stats, cls);
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Maximum tries %u exceeded while checking successor TOTAL TRIES %u"
+ " circle formation. Exiting\n",
+ max_searches,tries);
+ start_func();
+ return;
}
+ flag = 0;
+ successor_stats_task
+ = GNUNET_SCHEDULER_add_delayed (delay_stats,
+ &collect_stats,
+ cls);
}
* Task that collects peer and its corresponding successors.
*
* @param cls Closure (NULL).
- * @param tc Task Context.
*/
static void
-collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+collect_stats (void *cls)
{
- if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
- return;
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Start collecting statistics...\n");
+ successor_stats_task = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Start collecting statistics...\n");
GNUNET_assert(NULL != testbed_handles);
if (0 != max_searches)
- successor_peer_hashmap = GNUNET_CONTAINER_multihashmap_create (num_peers,
- GNUNET_NO);
- successor_stats_op =
- GNUNET_TESTBED_get_statistics (num_peers, testbed_handles,
- "dht", NULL,
- successor_stats_iterator,
- successor_stats_cont, cls);
-
- GNUNET_assert(NULL != successor_stats_op);
+ successor_peer_hashmap
+ = GNUNET_CONTAINER_multihashmap_create (num_peers,
+ GNUNET_NO);
+ successor_stats_op
+ = GNUNET_TESTBED_get_statistics (num_peers, testbed_handles,
+ "dht", NULL,
+ successor_stats_iterator,
+ successor_stats_cont, cls);
+ GNUNET_assert (NULL != successor_stats_op);
}
ctx->op = NULL;
peers_started++;
DEBUG("Peers Started = %d; num_peers = %d \n", peers_started, num_peers);
- if (GNUNET_SCHEDULER_NO_TASK == successor_stats_task && peers_started == num_peers)
+ if (NULL == successor_stats_task && peers_started == num_peers)
{
DEBUG("successor_stats_task \n");
struct Collect_Stat_Context *collect_stat_cls = GNUNET_new(struct Collect_Stat_Context);
collect_stat_cls->service_connect_ctx = cls;
collect_stat_cls->op = op;
- successor_stats_task = GNUNET_SCHEDULER_add_delayed (delay_stats,
- &collect_stats,
- collect_stat_cls);
+ successor_stats_task
+ = GNUNET_SCHEDULER_add_delayed (delay_stats,
+ &collect_stats,
+ collect_stat_cls);
}
}
a_ac = GNUNET_malloc (n_active * sizeof (struct ActiveContext));
ac_cnt = 0;
-
-#if ENABLE_MALICIOUS
- unsigned int malicious_peers;
- if(PUT_PROBABILITY + MALICIOUS_PROBABILITY > 100)
- {
- DEBUG ("Reduce either number of malicious peer or active peers. ");
- GNUNET_SCHEDULER_shutdown ();
- GNUNET_free (a_ctx);
- return;
- }
-
- /* Select the peers which should act maliciously. */
- n_malicious = num_peers * MALICIOUS_PROBABILITY / 100;
-
- a_mc = GNUNET_malloc (n_malicious * sizeof (struct MaliciousContext));
- malicious_peers = 0;
-
- for (cnt = 0; cnt < num_peers && malicious_peers < n_malicious; cnt++)
- {
- if (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100) >=
- MALICIOUS_PROBABILITY)
- continue;
- a_ctx[cnt].mc = &a_mc[malicious_peers];
- a_mc[malicious_peers].ctx = &a_ctx[cnt];
- malicious_peers++;
- }
- n_malicious = malicious_peers;
- INFO ("Malicious Peers: %u\n",malicious_peers);
-
-#endif
-
- a_ac = GNUNET_malloc (n_active * sizeof (struct ActiveContext));
- ac_cnt = 0;
for (cnt = 0; cnt < num_peers && ac_cnt < n_active; cnt++)
{
if ((GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 100) >=
PUT_PROBABILITY))
continue;
-#if ENABLE_MALICIOUS
- if(a_ctx[ac_cnt].mc != NULL)
- continue;
-#endif
-
a_ctx[cnt].ac = &a_ac[ac_cnt];
a_ac[ac_cnt].ctx = &a_ctx[cnt];
ac_cnt++;
if (0 == num_peers)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Exiting as the number of peers is %u\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Exiting as the number of peers is %u\n"),
num_peers);
return;
}
event_mask = 0;
GNUNET_TESTBED_run (hosts_file, cfg, num_peers, event_mask, NULL,
NULL, &test_run, NULL);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &do_shutdown,
- NULL);
+ GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
+ NULL);
}
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