#define VERBOSE_TESTING GNUNET_NO
+#define DEBUG_CHURN GNUNET_NO
+
/**
* Lowest port used for GNUnet testing. Should be high enough to not
* conflict with other applications running on the hosts but be low
#define MAX_OUTSTANDING_CONNECTIONS 50
-#define CONNECT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 160)
+#define CONNECT_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
#define CONNECT_ATTEMPTS 8
count++;
if (ret == GNUNET_SYSERR)
{
+ /* FIXME: why sleep here? -CG */
sleep(1);
}
}
count++;
if (ret == GNUNET_SYSERR)
{
+ /* FIXME: why sleep here? -CG */
sleep(1);
}
}
}
-/*
+/**
* Connect the topology as specified by the PeerConnection's
* of each peer in the peer group
*
* @param pg the peer group we are dealing with
- *
* @return the number of connections that will be attempted
*/
static int
}
-/*
+/**
* Takes a peer group and creates a topology based on the
* one specified. Creates a topology means generates friend
* files for the peers so they can only connect to those allowed
#endif
}
- /**
- * Use the create clique method to initially set all connections
- * as blacklisted.
- */
+ /* Use the create clique method to initially set all connections as blacklisted. */
create_clique (pg, &blacklist_connections);
unblacklisted_connections = 0;
- /**
- * Un-blacklist connections as per the topology specified
- */
+ /* Un-blacklist connections as per the topology specified */
switch (restrict_topology)
{
case GNUNET_TESTING_TOPOLOGY_CLIQUE:
#endif
}
}
-
-
return num_connections;
}
}
-/*
- * @param pg the peer group struct representing the running peers
- * @param topology which topology to connect the peers in
- * @param options options for connecting the topology
- * @param option_modifier modifier for options that take a parameter
- *
+/**
* There are many ways to connect peers that are supported by this function.
* To connect peers in the same topology that was created via the
* GNUNET_TESTING_create_topology, the topology variable must be set to
* connected. This could result in some connections being impossible,
* because some topologies are non-deterministic.
*
+ * @param pg the peer group struct representing the running peers
+ * @param topology which topology to connect the peers in
+ * @param options options for connecting the topology
+ * @param option_modifier modifier for options that take a parameter
+ * @return the number of connections that will be attempted, GNUNET_SYSERR on error
*/
int
GNUNET_TESTING_connect_topology (struct GNUNET_TESTING_PeerGroup *pg,
enum GNUNET_TESTING_TopologyOption options,
double option_modifier)
{
- int num_connections;
-
switch (topology)
{
case GNUNET_TESTING_TOPOLOGY_CLIQUE:
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating clique topology\n"));
#endif
- num_connections = create_clique (pg, &add_actual_connections);
+ create_clique (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD_RING:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating small world (ring) topology\n"));
#endif
- num_connections = create_small_world_ring (pg, &add_actual_connections);
+ create_small_world_ring (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_SMALL_WORLD:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating small world (2d-torus) topology\n"));
#endif
- num_connections = create_small_world (pg, &add_actual_connections);
+ create_small_world (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_RING:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating ring topology\n"));
#endif
- num_connections = create_ring (pg, &add_actual_connections);
+ create_ring (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_2D_TORUS:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating 2d torus topology\n"));
#endif
- num_connections = create_2d_torus (pg, &add_actual_connections);
+ create_2d_torus (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_ERDOS_RENYI:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating Erdos-Renyi topology\n"));
#endif
- num_connections = create_erdos_renyi (pg, &add_actual_connections);
+ create_erdos_renyi (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_INTERNAT:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating InterNAT topology\n"));
#endif
- num_connections = create_nated_internet (pg, &add_actual_connections);
+ create_nated_internet (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_SCALE_FREE:
#if VERBOSE_TESTING
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Creating Scale Free topology\n"));
#endif
- num_connections = create_scale_free (pg, &add_actual_connections);
+ create_scale_free (pg, &add_actual_connections);
break;
case GNUNET_TESTING_TOPOLOGY_NONE:
- num_connections = copy_allowed_topology(pg);
+ copy_allowed_topology(pg);
break;
default:
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Unknown topology specification, can't connect peers!\n");
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ _("Unknown topology specification, can't connect peers!\n"));
return GNUNET_SYSERR;
}
switch (options)
{
- case GNUNET_TESTING_TOPOLOGY_OPTION_RANDOM: /* Create a random subset of total connections based on parameter */
+ case GNUNET_TESTING_TOPOLOGY_OPTION_RANDOM:
choose_random_connections(pg, option_modifier);
break;
- case GNUNET_TESTING_TOPOLOGY_OPTION_MINIMUM: /* Create at least X connections per peer (if possible!) */
+ case GNUNET_TESTING_TOPOLOGY_OPTION_MINIMUM:
choose_minimum(pg, (unsigned int)option_modifier);
break;
- case GNUNET_TESTING_TOPOLOGY_OPTION_DFS: /* Choose a random starting point, randomly walk graph, try to get each peer X connections */
+ case GNUNET_TESTING_TOPOLOGY_OPTION_DFS:
perform_dfs(pg, (int)option_modifier);
break;
case GNUNET_TESTING_TOPOLOGY_OPTION_NONE:
- /* Fall through */
+ break;
case GNUNET_TESTING_TOPOLOGY_OPTION_ALL:
- /* Fall through */
+ break;
default:
break;
}
churn_ctx->num_to_stop--;
}
+#if DEBUG_CHURN
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Stopped peer, %d left.\n", churn_ctx->num_to_stop);
+#endif
total_left = (churn_ctx->num_to_stop - churn_ctx->num_failed_stop) + (churn_ctx->num_to_start - churn_ctx->num_failed_start);
if (total_left == 0)
{
if ((churn_ctx->num_failed_stop > 0) || (churn_ctx->num_failed_start > 0))
- GNUNET_asprintf(&error_message, "Churn didn't complete successfully, %u peers failed to start %u peers failed to be stopped!", churn_ctx->num_failed_start, churn_ctx->num_failed_stop);
+ {
+ GNUNET_asprintf(&error_message, "Churn didn't complete successfully, %u peers failed to start %u peers failed to be stopped!", churn_ctx->num_failed_start, churn_ctx->num_failed_stop);
+ }
churn_ctx->cb(churn_ctx->cb_cls, error_message);
GNUNET_free_non_null(error_message);
GNUNET_free(churn_ctx);
churn_ctx->num_to_start--;
}
+#if DEBUG_CHURN
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Started peer, %d left.\n", churn_ctx->num_to_start);
+#endif
+
total_left = (churn_ctx->num_to_stop - churn_ctx->num_failed_stop) + (churn_ctx->num_to_start - churn_ctx->num_failed_start);
if (total_left == 0)
running = 0;
stopped = 0;
+ if ((von == 0) && (voff == 0)) /* No peers at all? */
+ {
+ cb(cb_cls, NULL);
+ return;
+ }
+
for (i = 0; i < pg->total; i++)
{
if (pg->peers[i].daemon->running == GNUNET_YES)
churn_ctx = GNUNET_malloc(sizeof(struct ChurnContext));
running_arr = GNUNET_malloc(running * sizeof(unsigned int));
stopped_arr = GNUNET_malloc(stopped * sizeof(unsigned int));
- running_permute = GNUNET_CRYPTO_random_permute(GNUNET_CRYPTO_QUALITY_WEAK, running);
- stopped_permute = GNUNET_CRYPTO_random_permute(GNUNET_CRYPTO_QUALITY_WEAK, stopped);
+
+ running_permute = NULL;
+ stopped_permute = NULL;
+
+ if (running > 0)
+ running_permute = GNUNET_CRYPTO_random_permute(GNUNET_CRYPTO_QUALITY_WEAK, running);
+ if (stopped > 0)
+ stopped_permute = GNUNET_CRYPTO_random_permute(GNUNET_CRYPTO_QUALITY_WEAK, stopped);
running = 0;
stopped = 0;
for (i = 0; i < voff; i++)
{
+#if DEBUG_CHURN
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Stopping peer %d!\n", running_permute[i]);
+#endif
GNUNET_TESTING_daemon_stop(pg->peers[running_arr[running_permute[i]]].daemon, timeout, &churn_stop_callback, churn_ctx, GNUNET_NO, GNUNET_YES);
}
for (i = 0; i < von; i++)
{
+#if DEBUG_CHURN
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Starting up peer %d!\n", stopped_permute[i]);
+#endif
GNUNET_TESTING_daemon_start_stopped(pg->peers[stopped_arr[stopped_permute[i]]].daemon, timeout, &churn_start_callback, churn_ctx);
}
+
+ GNUNET_free(running_arr);
+ GNUNET_free(stopped_arr);
+ GNUNET_free_non_null(running_permute);
+ GNUNET_free_non_null(stopped_permute);
}
* Restart all peers in the given group.
*
* @param pg the handle to the peer group
- * @param timeout how long to wait on failure
* @param callback function to call on completion (or failure)
* @param callback_cls closure for the callback function
*/