#include "platform.h"
#include "gnunet_arm_service.h"
#include "gnunet_testing_lib.h"
+#include "gnunet_core_service.h"
#define VERBOSE_TESTING GNUNET_NO
*/
#define HIGH_PORT 56000
-#define MAX_OUTSTANDING_CONNECTIONS 50
+#define MAX_OUTSTANDING_CONNECTIONS 10
#define MAX_CONCURRENT_HOSTKEYS 16
uint16_t minport;
};
+struct TopologyIterateContext
+{
+ /**
+ * Callback for notifying of two connected peers.
+ */
+ GNUNET_TESTING_NotifyTopology topology_cb;
+
+ /**
+ * Closure for topology_cb
+ */
+ void *cls;
+
+ /**
+ * Number of peers currently connected to.
+ */
+ unsigned int connected;
+
+ /**
+ * Number of peers we have finished iterating.
+ */
+ unsigned int completed;
+
+ /**
+ * Number of peers total.
+ */
+ unsigned int total;
+};
+
+struct StatsIterateContext
+{
+ /**
+ * Handle to the statistics service.
+ */
+ struct GNUNET_STATISTICS_Handle *stats_handle;
+
+ /**
+ * Handle for getting statistics.
+ */
+ struct GNUNET_STATISTICS_GetHandle *stats_get_handle;
+
+ /**
+ * Continuation to call once all stats information has been retrieved.
+ */
+ GNUNET_STATISTICS_Callback cont;
+
+ /**
+ * Proc function to call on each value received.
+ */
+ GNUNET_TESTING_STATISTICS_Iterator proc;
+
+ /**
+ * Closure for topology_cb
+ */
+ void *cls;
+
+ /**
+ * Number of peers currently connected to.
+ */
+ unsigned int connected;
+
+ /**
+ * Number of peers we have finished iterating.
+ */
+ unsigned int completed;
+
+ /**
+ * Number of peers total.
+ */
+ unsigned int total;
+};
+
+struct CoreContext
+{
+ void *iter_context;
+ struct GNUNET_TESTING_Daemon *daemon;
+};
/**
* Handle to a group of GNUnet peers.
{
GNUNET_asprintf(&allowed_hosts, "%s; 127.0.0.1;", control_host);
GNUNET_CONFIGURATION_set_value_string(uc.ret, "core", "ACCEPT_FROM", allowed_hosts);
+ GNUNET_CONFIGURATION_set_value_string(uc.ret, "transport", "ACCEPT_FROM", allowed_hosts);
GNUNET_free_non_null(control_host);
GNUNET_free(allowed_hosts);
}
}
+/**
+ * Either delay a connection (because there are too many outstanding)
+ * or schedule it for right now.
+ *
+ * @param cls a connection context
+ * @param tc the task runtime context
+ */
static void schedule_connect(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct ConnectContext *connect_context = cls;
}
}
+/**
+ * Internal callback for topology information for a particular peer.
+ */
+static void
+internal_topology_callback(void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_TIME_Relative latency, uint32_t distance)
+{
+ struct CoreContext *core_ctx = cls;
+ struct TopologyIterateContext *iter_ctx = core_ctx->iter_context;
+
+ if (peer == NULL) /* Either finished, or something went wrong */
+ {
+ iter_ctx->completed++;
+ iter_ctx->connected--;
+ /* One core context allocated per iteration, must free! */
+ GNUNET_free(core_ctx);
+ }
+ else
+ {
+ iter_ctx->topology_cb(iter_ctx->cls, &core_ctx->daemon->id, peer, latency, distance, NULL);
+ }
+
+ if (iter_ctx->completed == iter_ctx->total)
+ {
+ iter_ctx->topology_cb(iter_ctx->cls, NULL, NULL, GNUNET_TIME_relative_get_zero(), 0, NULL);
+ /* Once all are done, free the iteration context */
+ GNUNET_free(iter_ctx);
+ }
+}
+
+
+/**
+ * Check running topology iteration tasks, if below max start a new one, otherwise
+ * schedule for some time in the future.
+ */
+static void
+schedule_get_topology(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct CoreContext *core_context = cls;
+ struct TopologyIterateContext *topology_context = (struct TopologyIterateContext *)core_context->iter_context;
+ if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ return;
+
+ if (topology_context->connected > MAX_OUTSTANDING_CONNECTIONS)
+ {
+#if VERBOSE_TESTING > 2
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Delaying connect, we have too many outstanding connections!\n"));
+#endif
+ GNUNET_SCHEDULER_add_delayed(core_context->daemon->sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &schedule_get_topology, core_context);
+ }
+ else
+ {
+#if VERBOSE_TESTING > 2
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Creating connection, outstanding_connections is %d\n"), outstanding_connects);
+#endif
+ topology_context->connected++;
+ if (GNUNET_OK != GNUNET_CORE_iterate_peers (core_context->daemon->sched, core_context->daemon->cfg, &internal_topology_callback, core_context))
+ internal_topology_callback(core_context, NULL, GNUNET_TIME_relative_get_zero(), 0);
+
+ }
+}
+
+/**
+ * Iterate over all (running) peers in the peer group, retrieve
+ * all connections that each currently has.
+ */
+void
+GNUNET_TESTING_get_topology (struct GNUNET_TESTING_PeerGroup *pg, GNUNET_TESTING_NotifyTopology cb, void *cls)
+{
+ struct TopologyIterateContext *topology_context;
+ struct CoreContext *core_ctx;
+ unsigned int i;
+ unsigned int total_count;
+
+ /* Allocate a single topology iteration context */
+ topology_context = GNUNET_malloc(sizeof(struct TopologyIterateContext));
+ topology_context->topology_cb = cb;
+ topology_context->cls = cls;
+ total_count = 0;
+ for (i = 0; i < pg->total; i++)
+ {
+ if (pg->peers[i].daemon->running == GNUNET_YES)
+ {
+ /* Allocate one core context per core we need to connect to */
+ core_ctx = GNUNET_malloc(sizeof(struct CoreContext));
+ core_ctx->daemon = pg->peers[i].daemon;
+ /* Set back pointer to topology iteration context */
+ core_ctx->iter_context = topology_context;
+ GNUNET_SCHEDULER_add_now(pg->sched, &schedule_get_topology, core_ctx);
+ total_count++;
+ }
+ }
+ topology_context->total = total_count;
+ return;
+}
+
+/**
+ * Callback function to process statistic values.
+ * This handler is here only really to insert a peer
+ * identity (or daemon) so the statistics can be uniquely
+ * tied to a single running peer.
+ *
+ * @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 internal_stats_callback (void *cls,
+ const char *subsystem,
+ const char *name,
+ uint64_t value,
+ int is_persistent)
+{
+ struct CoreContext *core_context = cls;
+ struct StatsIterateContext *stats_context = (struct StatsIterateContext *)core_context->iter_context;
+
+ return stats_context->proc(stats_context->cls, &core_context->daemon->id, subsystem, name, value, is_persistent);
+}
+
+/**
+ * Internal continuation call for statistics iteration.
+ *
+ * @param cls closure, the CoreContext for this iteration
+ * @param success whether or not the statistics iterations
+ * was canceled or not (we don't care)
+ */
+static void internal_stats_cont (void *cls, int success)
+{
+ struct CoreContext *core_context = cls;
+ struct StatsIterateContext *stats_context = (struct StatsIterateContext *)core_context->iter_context;
+
+ stats_context->connected--;
+ stats_context->completed++;
+
+ if (stats_context->completed == stats_context->total)
+ {
+ stats_context->cont(stats_context->cls, GNUNET_YES);
+ if (stats_context->stats_handle != NULL)
+ GNUNET_STATISTICS_destroy(stats_context->stats_handle, GNUNET_NO);
+ GNUNET_free(stats_context);
+ }
+ GNUNET_free(core_context);
+}
+
+/**
+ * Check running topology iteration tasks, if below max start a new one, otherwise
+ * schedule for some time in the future.
+ */
+static void
+schedule_get_statistics(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct CoreContext *core_context = cls;
+ struct StatsIterateContext *stats_context = (struct StatsIterateContext *)core_context->iter_context;
+
+ if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
+ return;
+
+ if (stats_context->connected > MAX_OUTSTANDING_CONNECTIONS)
+ {
+#if VERBOSE_TESTING > 2
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Delaying connect, we have too many outstanding connections!\n"));
+#endif
+ GNUNET_SCHEDULER_add_delayed(core_context->daemon->sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &schedule_get_statistics, core_context);
+ }
+ else
+ {
+#if VERBOSE_TESTING > 2
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Creating connection, outstanding_connections is %d\n"), outstanding_connects);
+#endif
+
+ stats_context->connected++;
+ stats_context->stats_handle = GNUNET_STATISTICS_create(core_context->daemon->sched, "testing", core_context->daemon->cfg);
+ if (stats_context->stats_handle == NULL)
+ {
+ internal_stats_cont (core_context, GNUNET_NO);
+ return;
+ }
+
+ stats_context->stats_get_handle = GNUNET_STATISTICS_get(stats_context->stats_handle, NULL, NULL, GNUNET_TIME_relative_get_forever(), &internal_stats_cont, &internal_stats_callback, core_context);
+ if (stats_context->stats_get_handle == NULL)
+ internal_stats_cont (core_context, GNUNET_NO);
+
+ }
+}
+
+
+/**
+ * Iterate over all (running) peers in the peer group, retrieve
+ * all statistics from each.
+ */
+void
+GNUNET_TESTING_get_statistics (struct GNUNET_TESTING_PeerGroup *pg,
+ GNUNET_STATISTICS_Callback cont,
+ GNUNET_TESTING_STATISTICS_Iterator proc, void *cls)
+{
+ struct StatsIterateContext *stats_context;
+ struct CoreContext *core_ctx;
+ unsigned int i;
+ unsigned int total_count;
+
+ /* Allocate a single stats iteration context */
+ stats_context = GNUNET_malloc(sizeof(struct StatsIterateContext));
+ stats_context->cont = cont;
+ stats_context->proc = proc;
+ stats_context->cls = cls;
+ total_count = 0;
+ for (i = 0; i < pg->total; i++)
+ {
+ if (pg->peers[i].daemon->running == GNUNET_YES)
+ {
+ /* Allocate one core context per core we need to connect to */
+ core_ctx = GNUNET_malloc(sizeof(struct CoreContext));
+ core_ctx->daemon = pg->peers[i].daemon;
+ /* Set back pointer to topology iteration context */
+ core_ctx->iter_context = stats_context;
+ GNUNET_SCHEDULER_add_now(pg->sched, &schedule_get_statistics, core_ctx);
+ total_count++;
+ }
+ }
+ stats_context->total = total_count;
+ return;
+}
+
/**
* 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