/**
* @file fs/gnunet-fs-profiler.c
- * @brief tool to benchmark/profile file-sharing
+ * @brief tool to benchmark/profile file-sharing
* @author Christian Grothoff
*/
#include "platform.h"
*/
static unsigned int num_peers;
+/**
+ * After how long do we abort the test?
+ */
+static struct GNUNET_TIME_Relative timeout;
/**
- * The testbed has been started, now begin the experiment.
+ * Handle to the task run during termination.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier terminate_taskid;
+
+
+/**
+ * Function called after we've collected the statistics.
*
- * @param cls configuration handle
- * @param tc scheduler context
- */
+ * @param cls NULL
+ * @param op the operation that has been finished
+ * @param emsg error message in case the operation has failed; will be NULL if
+ * operation has executed successfully.
+ */
static void
-master_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ const char *emsg)
{
- // const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
-
+ if (NULL != emsg)
+ fprintf (stderr,
+ "Error collecting statistics: %s\n",
+ emsg);
GNUNET_SCHEDULER_shutdown ();
}
+/**
+ * Callback function to process statistic values from all peers.
+ * Prints them out.
+ *
+ * @param cls closure
+ * @param peer the peer the statistic belong to
+ * @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
+process_stats (void *cls,
+ const struct GNUNET_TESTBED_Peer *peer,
+ const char *subsystem,
+ const char *name,
+ uint64_t value,
+ int is_persistent)
+{
+ fprintf (stdout,
+ "%p-%s: %s = %llu\n",
+ peer,
+ subsystem,
+ name,
+ (unsigned long long) value);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Task run on timeout to terminate. Triggers printing out
+ * all statistics.
+ *
+ * @param cls NULL
+ * @param tc unused
+ */
+static void
+terminate_task (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ terminate_taskid = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_TESTBED_get_statistics (0, NULL,
+ NULL, NULL,
+ &process_stats,
+ &shutdown_task,
+ NULL);
+}
+
+
+/**
+ * Signature of a main function for a testcase.
+ *
+ * @param cls closure
+ * @param h the run handle
+ * @param num_peers number of peers in 'peers'
+ * @param peers handle to peers run in the testbed
+ * @param links_succeeded the number of overlay link connection attempts that
+ * succeeded
+ * @param links_failed the number of overlay link connection attempts that
+ * failed
+ */
+static void
+test_master (void *cls,
+ struct GNUNET_TESTBED_RunHandle *h,
+ unsigned int num_peers,
+ struct GNUNET_TESTBED_Peer **peers,
+ unsigned int links_succeeded,
+ unsigned int links_failed)
+{
+ // const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+ // FIXME: enable clients to signal 'completion' before timeout;
+ // in that case, run the 'terminate_task' "immediately"
+
+ if (0 != timeout.rel_value_us)
+ terminate_taskid = GNUNET_SCHEDULER_add_delayed (timeout,
+ &terminate_task, NULL);
+ else
+ terminate_taskid = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &terminate_task,
+ NULL);
+}
+
+
/**
* Main function that will be run by the scheduler.
*
cfg,
num_peers,
0, NULL, NULL,
- &master_task, (void *) cfg);
+ &test_master, (void *) cfg);
}
{'n', "num-peers", "COUNT",
gettext_noop ("run the experiment with COUNT peers"),
1, &GNUNET_GETOPT_set_uint, &num_peers},
- {'t', "testbed", "HOSTFILE",
+ {'H', "hosts", "HOSTFILE",
gettext_noop ("specifies name of a file with the HOSTS the testbed should use"),
1, &GNUNET_GETOPT_set_string, &host_filename},
-
+ {'t', "timeout", "DELAY",
+ gettext_noop ("automatically terminate experiment after DELAY"),
+ 1, &GNUNET_GETOPT_set_relative_time, &timeout},
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))