static int
create_children(mmd_t *mdp,
di_prom_handle_t ph, md_node_t *md_parent, di_node_t di_parent)
{
md_node_t *md_node;
md_node_t *md_child;
di_node_t di_child;
char *path;
int rv;
path = di_devfs_path(di_parent);
if (path == NULL)
return (EIO);
md_node = link_device_node(mdp, ph, di_parent, md_parent, path);
di_devfs_path_free(path);
if (md_node == NULL) {
return (ENOMEM);
}
while ((di_child = di_child_node(di_parent)) != DI_NODE_NIL) {
path = di_devfs_path(di_child);
if (path != NULL) {
md_child = link_device_node(mdp,
ph, di_child, md_node, path);
di_devfs_path_free(path);
if (md_child == NULL) {
return (ENOMEM);
}
}
rv = create_peers(mdp, ph, md_node, di_child);
if (rv != 0)
return (rv);
md_node = md_child;
di_parent = di_child;
}
return (0);
}
/**
* Signature of the event handler function called by the
* respective event controller.
*
* @param cls closure
* @param event information about the event
*/
static void
event_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
{
struct GNUNET_TESTBED_RunHandle *rc = cls;
struct RunContextOperation *rcop;
if (RC_INIT == rc->state)
{
switch (event->type)
{
case GNUNET_TESTBED_ET_OPERATION_FINISHED:
rcop = event->op_cls;
if (NULL != event->details.operation_finished.emsg)
{
LOG (GNUNET_ERROR_TYPE_ERROR, _("Linking controllers failed. Exiting"));
GNUNET_SCHEDULER_shutdown ();
}
else
rc->reg_hosts++;
GNUNET_assert (event->op == rcop->op);
remove_rcop (rc, rcop);
GNUNET_TESTBED_operation_done (rcop->op);
GNUNET_free (rcop);
if (rc->reg_hosts == rc->num_hosts)
{
rc->state = RC_LINKED;
create_peers (rc);
}
return;
default:
GNUNET_break (0);
GNUNET_SCHEDULER_shutdown ();
return;
}
}
if (GNUNET_TESTBED_ET_OPERATION_FINISHED != event->type)
goto call_cc;
if (NULL == (rcop = search_rcop (rc, event->op)))
goto call_cc;
remove_rcop (rc, rcop);
GNUNET_TESTBED_operation_done (rcop->op);
GNUNET_free (rcop);
if ( (GNUNET_NO == rc->shutdown)
&& (NULL != event->details.operation_finished.emsg) )
{
LOG (GNUNET_ERROR_TYPE_ERROR, "A operation has failed with error: %s\n",
event->details.operation_finished.emsg);
GNUNET_SCHEDULER_shutdown ();
return;
}
GNUNET_assert (GNUNET_YES == rc->shutdown);
switch (rc->state)
{
case RC_LINKED:
case RC_PEERS_CREATED:
case RC_READY:
rc->state = RC_PEERS_SHUTDOWN;
GNUNET_free_non_null (rc->peers);
rc->peers = NULL;
DEBUG ("Peers shut down in %s\n", prof_time (rc));
GNUNET_SCHEDULER_shutdown ();
break;
default:
GNUNET_assert (0);
}
return;
call_cc:
if ((0 != (rc->event_mask & (1LL << event->type))) && (NULL != rc->cc))
rc->cc (rc->cc_cls, event);
if (GNUNET_TESTBED_ET_PEER_START != event->type)
return;
if (NULL == (rcop = search_rcop (rc, event->op))) /* Not our operation */
return;
remove_rcop (rc, rcop);
GNUNET_TESTBED_operation_done (rcop->op);
GNUNET_free (rcop);
rc->peer_count++;
if (rc->peer_count < rc->num_peers)
return;
DEBUG ("%u peers started in %s\n", rc->num_peers, prof_time (rc));
if (GNUNET_TESTBED_TOPOLOGY_NONE != rc->topology)
{
switch (rc->topology)
{
case GNUNET_TESTBED_TOPOLOGY_NONE:
GNUNET_assert (0);
case GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI:
case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD_RING:
case GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD:
rc->topology_operation =
GNUNET_TESTBED_overlay_configure_topology (NULL, rc->num_peers,
rc->peers, &rc->num_oc,
&topology_completion_callback,
rc,
rc->topology,
rc->random_links,
GNUNET_TESTBED_TOPOLOGY_OPTION_END);
break;
case GNUNET_TESTBED_TOPOLOGY_FROM_FILE:
GNUNET_assert (NULL != rc->topo_file);
rc->topology_operation =
GNUNET_TESTBED_overlay_configure_topology (NULL, rc->num_peers,
rc->peers, &rc->num_oc,
&topology_completion_callback,
rc,
rc->topology,
rc->topo_file,
GNUNET_TESTBED_TOPOLOGY_OPTION_END);
break;
case GNUNET_TESTBED_TOPOLOGY_SCALE_FREE:
{
unsigned long long number;
unsigned int cap;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_number (rc->cfg, TESTBED_CONFIG_SECTION,
SCALE_FREE_CAP,
&number));
cap = (unsigned int) number;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_number (rc->cfg, TESTBED_CONFIG_SECTION,
SCALE_FREE_M,
&number));
rc->topology_operation =
GNUNET_TESTBED_overlay_configure_topology (NULL, rc->num_peers,
rc->peers, &rc->num_oc,
&topology_completion_callback,
rc,
rc->topology,
cap, /* uint16_t */
(unsigned int) number, /* uint8_t */
GNUNET_TESTBED_TOPOLOGY_OPTION_END);
}
break;
default:
rc->topology_operation =
GNUNET_TESTBED_overlay_configure_topology (NULL, rc->num_peers,
rc->peers, &rc->num_oc,
&topology_completion_callback,
rc,
rc->topology,
GNUNET_TESTBED_TOPOLOGY_OPTION_END);
}
if (NULL == rc->topology_operation)
LOG (GNUNET_ERROR_TYPE_WARNING,
"Not generating a topology. Check number of peers\n");
else
{
DEBUG ("Creating overlay topology\n");
rc->pstart_time = GNUNET_TIME_absolute_get ();
return;
}
}
rc->state = RC_READY;
call_master (rc);
}
