#include "platform.h"
#include "gnunet_common.h"
+#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include "testbed_api_hosts.h"
#define LOG(kind,...) \
GNUNET_log (kind, __VA_ARGS__)
+
/**
* DLL of operations
*/
/**
* Linking peers
*/
- STATE_PEERS_LINKING
+ STATE_PEERS_LINKING,
+
+ /**
+ * Destroying peers; we can do this as the controller takes care of stopping a
+ * peer if it is running
+ */
+ STATE_PEERS_DESTROYING
};
*/
static GNUNET_SCHEDULER_TaskIdentifier abort_task;
+/**
+ * Shutdown task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
/**
* Host registration task identifier
*/
*/
static unsigned int num_links;
+/**
+ * Number of timeout failures to tolerate
+ */
+static unsigned int num_cont_fails;
+
+/**
+ * Continuous failures during overlay connect operations
+ */
+static unsigned int cont_fails;
+
+/**
+ * Links which are successfully established
+ */
+static unsigned int established_links;
+
+/**
+ * Links which are not successfully established
+ */
+static unsigned int failed_links;
+
/**
* Global testing status
*/
*/
enum State state;
+/**
+ * The topology we want to acheive
+ */
+enum GNUNET_TESTBED_TopologyOption topology;
+
/**
* Shutdown nicely
struct DLLOperation *dll_op;
unsigned int nhost;
+ shutdown_task = GNUNET_SCHEDULER_NO_TASK;
if (GNUNET_SCHEDULER_NO_TASK != abort_task)
GNUNET_SCHEDULER_cancel (abort_task);
if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
if (NULL != reg_handle)
GNUNET_TESTBED_cancel_registration (reg_handle);
if (NULL != topology_op)
- GNUNET_TESTBED_operation_cancel (topology_op);
+ GNUNET_TESTBED_operation_done (topology_op);
for (nhost = 0; nhost < num_hosts; nhost++)
if (NULL != hosts[nhost])
GNUNET_TESTBED_host_destroy (hosts[nhost]);
GNUNET_free_non_null (hosts);
while (NULL != (dll_op = dll_op_head))
{
- GNUNET_TESTBED_operation_cancel (dll_op->op);
+ GNUNET_TESTBED_operation_done (dll_op->op);
GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
GNUNET_free (dll_op);
}
LOG (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
abort_task = GNUNET_SCHEDULER_NO_TASK;
result = GNUNET_SYSERR;
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+ GNUNET_SCHEDULER_cancel (shutdown_task);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
}
+
+
+
/**
* Functions of this signature are called when a peer has been successfully
* started or stopped.
if (++started_peers == num_peers)
{
prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- printf ("All peers started successfully in %.2f seconds\n",
- ((double) prof_time.rel_value) / 1000.00);
+ printf ("%u peers started successfully in %.2f seconds\n",
+ num_peers, ((double) prof_time.rel_value) / 1000.00);
+ fflush (stdout);
result = GNUNET_OK;
- if (0 == num_links)
- {
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ if ((0 == num_links) && (topology == GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI))
+ {
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
return;
}
state = STATE_PEERS_LINKING;
/* Do overlay connect */
prof_start_time = GNUNET_TIME_absolute_get ();
- topology_op =
- GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peers,
- GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
- num_links);
+ switch (topology)
+ {
+ case GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI:
+ topology_op =
+ GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peers,
+ topology,
+ num_links,
+ GNUNET_TESTBED_TOPOLOGY_DISABLE_AUTO_RETRY,
+ GNUNET_TESTBED_TOPOLOGY_OPTION_END);
+ break;
+ case GNUNET_TESTBED_TOPOLOGY_CLIQUE:
+ topology_op =
+ GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peers,
+ topology,
+ GNUNET_TESTBED_TOPOLOGY_DISABLE_AUTO_RETRY,
+ GNUNET_TESTBED_TOPOLOGY_OPTION_END);
+ num_links = num_peers * (num_peers - 1);
+ break;
+ default:
+ GNUNET_assert (0);
+ }
}
}
if (++created_peers == num_peers)
{
prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- printf ("All peers created successfully in %.2f seconds\n",
- ((double) prof_time.rel_value) / 1000.00);
+ printf ("%u peers created successfully in %.2f seconds\n",
+ num_peers, ((double) prof_time.rel_value) / 1000.00);
+ fflush (stdout);
/* Now peers are to be started */
state = STATE_PEERS_STARTING;
prof_start_time = GNUNET_TIME_absolute_get ();
}
+/**
+ * Function to print summary about how many overlay links we have made and how
+ * many failed
+ */
+static void
+print_overlay_links_summary ()
+{
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ printf ("\n%u links established in %.2f seconds\n",
+ established_links, ((double) prof_time.rel_value) / 1000.00);
+ printf ("%u links failed due to timeouts\n", failed_links);
+}
+
+
+/**
+ * Function to start peers
+ */
+static void
+start_peers ()
+{
+ struct DLLOperation *dll_op;
+ unsigned int peer_cnt;
+
+ state = STATE_PEERS_CREATING;
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ peers = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *)
+ * num_peers);
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->cls = &peers[peer_cnt];
+ dll_op->op = GNUNET_TESTBED_peer_create (mc,
+ hosts
+ [peer_cnt % num_hosts],
+ cfg,
+ &peer_create_cb,
+ dll_op);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+ }
+}
+
+
/**
* Controller event callback
*
case GNUNET_TESTBED_ET_OPERATION_FINISHED:
{
static unsigned int slaves_started;
- unsigned int peer_cnt;
dll_op = event->details.operation_finished.op_cls;
GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
/* Proceed to start peers */
if (++slaves_started == num_hosts - 1)
{
- printf ("All slaves started successfully\n");
- state = STATE_PEERS_CREATING;
- prof_start_time = GNUNET_TIME_absolute_get ();
- peers = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *)
- * num_peers);
- for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
- {
- dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
- dll_op->cls = &peers[peer_cnt];
- dll_op->op = GNUNET_TESTBED_peer_create (mc,
- hosts
- [peer_cnt % num_hosts],
- cfg,
- &peer_create_cb,
- dll_op);
- GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
- }
+ printf ("%u controllers started successfully\n", num_hosts);
+ fflush (stdout);
+ start_peers ();
}
}
break;
}
break;
case STATE_PEERS_LINKING:
- switch (event->type)
+ switch (event->type)
{
case GNUNET_TESTBED_ET_OPERATION_FINISHED:
/* Control reaches here when a peer linking operation fails */
if (NULL != event->details.operation_finished.emsg)
{
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _("An operation has failed while linking\n"));
- GNUNET_SCHEDULER_cancel (abort_task);
- abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
+ printf ("F");
+ fflush (stdout);
+ failed_links++;
+ if (++cont_fails > num_cont_fails)
+ {
+ printf ("\nAborting due to very high failure rate");
+ print_overlay_links_summary ();
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
+ return;
+ }
}
break;
case GNUNET_TESTBED_ET_CONNECT:
{
- static unsigned int established_links;
-
+ if (0 != cont_fails)
+ cont_fails--;
if (0 == established_links)
- printf ("Establishing links\n .");
- else
- {
- printf (".");
- fflush (stdout);
- }
- if (++established_links == num_links)
- {
- prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
- printf ("\n%u links established in %.2f seconds\n",
- num_links, ((double) prof_time.rel_value) / 1000.00);
- result = GNUNET_OK;
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- }
+ printf ("Establishing links. Please wait\n");
+ printf (".");
+ fflush (stdout);
+ established_links++;
}
break;
default:
GNUNET_assert (0);
}
+ if ((established_links + failed_links) == num_links)
+ {
+ print_overlay_links_summary ();
+ result = GNUNET_OK;
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ }
break;
default:
GNUNET_assert (0);
* Callback to signal successfull startup of the controller process
*
* @param cls the closure from GNUNET_TESTBED_controller_start()
- * @param cfg the configuration with which the controller has been started;
+ * @param config the configuration with which the controller has been started;
* NULL if status is not GNUNET_OK
* @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
* GNUNET_TESTBED_controller_stop() shouldn't be called in this case
static void
status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
{
- GNUNET_SCHEDULER_cancel (abort_task);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
if (GNUNET_OK != status)
{
mc_proc = NULL;
abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
return;
}
- register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+ if (num_hosts > 1)
+ register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+ else
+ start_peers ();
abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
&do_abort, NULL);
}
}
for (nhost = 0; nhost < num_hosts; nhost++)
{
- if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost]))
+ if (GNUNET_YES != GNUNET_TESTBED_is_host_habitable (hosts[nhost], config))
{
fprintf (stderr, _("Host %s cannot start testbed\n"),
- GNUNET_TESTBED_host_get_hostname_ (hosts[nhost]));
+ GNUNET_TESTBED_host_get_hostname_ (hosts[nhost]));
break;
}
}
if (num_hosts != nhost)
{
fprintf (stderr, _("Exiting\n"));
- GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
return;
}
cfg = GNUNET_CONFIGURATION_dup (config);
}
+/**
+ * Set an option of type 'char *' from the command line.
+ * A pointer to this function should be passed as part of the
+ * 'struct GNUNET_GETOPT_CommandLineOption' array to initialize options
+ * of this type. It should be followed by a pointer to a value of
+ * type 'char *'.
+ *
+ * @param ctx command line processing context
+ * @param scls additional closure (will point to the 'char *',
+ * which will be allocated)
+ * @param option name of the option
+ * @param value actual value of the option (a string)
+ * @return GNUNET_OK to continue procesing; GNUNET_SYSERR to signal error
+ */
+int
+set_topology (struct GNUNET_GETOPT_CommandLineProcessorContext *ctx,
+ void *scls, const char *option, const char *value)
+{
+ enum GNUNET_TESTBED_TopologyOption *val = scls;
+
+ if (0 == strncasecmp ("CLIQUE", value, strlen ("CLIQUE")))
+ {
+ *val = GNUNET_TESTBED_TOPOLOGY_CLIQUE;
+ return GNUNET_OK;
+ }
+ if (0 == strncasecmp ("RANDOM", value, strlen ("RANDOM")))
+ {
+ *val = GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI;
+ return GNUNET_OK;
+ }
+ FPRINTF (stderr, "%s", _("Only `CLIQUE' and `RANDOM' are permitted.\n"));
+ return GNUNET_SYSERR;
+}
+
+
/**
* Main function.
*
{ 'n', "num-links", "COUNT",
gettext_noop ("create COUNT number of random links"),
GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_links },
+ { 'e', "num-errors", "COUNT",
+ gettext_noop ("tolerate COUNT number of continious timeout failures"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails },
+ { 't', "topology", "TOPOLOGY",
+ gettext_noop ("Try to acheive TOPOLOGY. This options takes either CLIQUE "
+ "or RANDOM. For CLIQUE the parameter -n is ignored. The "
+ "default is to acheive a random graph topology."),
+ GNUNET_YES, &set_topology, &topology },
GNUNET_GETOPT_OPTION_END
};
int ret;
+ topology = GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI;
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
GNUNET_PROGRAM_run (argc, argv, "gnunet-testbed-profiler [OPTIONS] hosts-file",
_("Profiler for testbed"),
options, &run, NULL);
+ GNUNET_free ((void*) argv);
if (GNUNET_OK != ret)
return ret;
if (GNUNET_OK != result)
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