gboolean
update_action(action_t * then)
{
GListPtr lpc = NULL;
enum pe_graph_flags changed = pe_graph_none;
int last_flags = then->flags;
crm_trace("Processing %s (%s %s %s)",
then->uuid,
is_set(then->flags, pe_action_optional) ? "optional" : "required",
is_set(then->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then->flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->uname : "");
if (is_set(then->flags, pe_action_requires_any)) {
clear_bit(then->flags, pe_action_runnable);
}
for (lpc = then->actions_before; lpc != NULL; lpc = lpc->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc->data;
action_t *first = other->action;
node_t *then_node = then->node;
node_t *first_node = first->node;
enum pe_action_flags then_flags = 0;
enum pe_action_flags first_flags = 0;
if (first->rsc && first->rsc->variant == pe_group && safe_str_eq(first->task, RSC_START)) {
first_node = first->rsc->fns->location(first->rsc, NULL, FALSE);
if (first_node) {
crm_trace("First: Found node %s for %s", first_node->details->uname, first->uuid);
}
}
if (then->rsc && then->rsc->variant == pe_group && safe_str_eq(then->task, RSC_START)) {
then_node = then->rsc->fns->location(then->rsc, NULL, FALSE);
if (then_node) {
crm_trace("Then: Found node %s for %s", then_node->details->uname, then->uuid);
}
}
clear_bit(changed, pe_graph_updated_first);
if (first->rsc != then->rsc
&& first->rsc != NULL && then->rsc != NULL && first->rsc != then->rsc->parent) {
first = rsc_expand_action(first);
}
if (first != other->action) {
crm_trace("Ordering %s afer %s instead of %s", then->uuid, first->uuid,
other->action->uuid);
}
first_flags = get_action_flags(first, then_node);
then_flags = get_action_flags(then, first_node);
crm_trace("Checking %s (%s %s %s) against %s (%s %s %s) filter=0x%.6x type=0x%.6x",
then->uuid,
is_set(then_flags, pe_action_optional) ? "optional" : "required",
is_set(then_flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then_flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->
uname : "", first->uuid, is_set(first_flags,
pe_action_optional) ? "optional" : "required",
is_set(first_flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(first_flags,
pe_action_pseudo) ? "pseudo" : first->node ? first->node->details->
uname : "", first_flags, other->type);
if (first == other->action) {
/*
* 'first' was not expanded (ie. from 'start' to 'running'), which could mean it:
* - has no associated resource,
* - was a primitive,
* - was pre-expanded (ie. 'running' instead of 'start')
*
* The third argument here to graph_update_action() is a node which is used under two conditions:
* - Interleaving, in which case first->node and
* then->node are equal (and NULL)
* - If 'then' is a clone, to limit the scope of the
* constraint to instances on the supplied node
*
*/
int otype = other->type;
node_t *node = then->node;
if(is_set(otype, pe_order_implies_then_on_node)) {
/* Normally we want the _whole_ 'then' clone to
* restart if 'first' is restarted, so then->node is
* needed.
*
* However for unfencing, we want to limit this to
* instances on the same node as 'first' (the
* unfencing operation), so first->node is supplied.
*
* Swap the node, from then on we can can treat it
* like any other 'pe_order_implies_then'
*/
clear_bit(otype, pe_order_implies_then_on_node);
set_bit(otype, pe_order_implies_then);
node = first->node;
}
clear_bit(first_flags, pe_action_pseudo);
changed |= graph_update_action(first, then, node, first_flags, otype);
/* 'first' was for a complex resource (clone, group, etc),
* create a new dependancy if necessary
*/
} else if (order_actions(first, then, other->type)) {
/* This was the first time 'first' and 'then' were associated,
* start again to get the new actions_before list
*/
changed |= (pe_graph_updated_then | pe_graph_disable);
}
if (changed & pe_graph_disable) {
crm_trace("Disabled constraint %s -> %s", other->action->uuid, then->uuid);
clear_bit(changed, pe_graph_disable);
other->type = pe_order_none;
}
if (changed & pe_graph_updated_first) {
GListPtr lpc2 = NULL;
crm_trace("Updated %s (first %s %s %s), processing dependants ",
first->uuid,
is_set(first->flags, pe_action_optional) ? "optional" : "required",
is_set(first->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(first->flags,
pe_action_pseudo) ? "pseudo" : first->node ? first->node->details->
uname : "");
for (lpc2 = first->actions_after; lpc2 != NULL; lpc2 = lpc2->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc2->data;
update_action(other->action);
}
update_action(first);
}
}
if (is_set(then->flags, pe_action_requires_any)) {
if (last_flags != then->flags) {
changed |= pe_graph_updated_then;
} else {
clear_bit(changed, pe_graph_updated_then);
}
}
if (changed & pe_graph_updated_then) {
crm_trace("Updated %s (then %s %s %s), processing dependants ",
then->uuid,
is_set(then->flags, pe_action_optional) ? "optional" : "required",
is_set(then->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then->flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->
uname : "");
update_action(then);
for (lpc = then->actions_after; lpc != NULL; lpc = lpc->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc->data;
update_action(other->action);
}
}
return FALSE;
}
gboolean
update_action(action_t * then)
{
GListPtr lpc = NULL;
enum pe_graph_flags changed = pe_graph_none;
int last_flags = then->flags;
crm_trace("Processing %s (%s %s %s)",
then->uuid,
is_set(then->flags, pe_action_optional) ? "optional" : "required",
is_set(then->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then->flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->uname : "");
if (is_set(then->flags, pe_action_requires_any)) {
clear_bit(then->flags, pe_action_runnable);
}
for (lpc = then->actions_before; lpc != NULL; lpc = lpc->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc->data;
action_t *first = other->action;
node_t *then_node = then->node;
node_t *first_node = first->node;
enum pe_action_flags then_flags = 0;
enum pe_action_flags first_flags = 0;
if (first->rsc && first->rsc->variant == pe_group && safe_str_eq(first->task, RSC_START)) {
first_node = first->rsc->fns->location(first->rsc, NULL, FALSE);
if (first_node) {
crm_trace("First: Found node %s for %s", first_node->details->uname, first->uuid);
}
}
if (then->rsc && then->rsc->variant == pe_group && safe_str_eq(then->task, RSC_START)) {
then_node = then->rsc->fns->location(then->rsc, NULL, FALSE);
if (then_node) {
crm_trace("Then: Found node %s for %s", then_node->details->uname, then->uuid);
}
}
clear_bit(changed, pe_graph_updated_first);
if (first->rsc != then->rsc
&& first->rsc != NULL && then->rsc != NULL && first->rsc != then->rsc->parent) {
first = rsc_expand_action(first);
}
if (first != other->action) {
crm_trace("Ordering %s afer %s instead of %s", then->uuid, first->uuid,
other->action->uuid);
}
first_flags = get_action_flags(first, then_node);
then_flags = get_action_flags(then, first_node);
crm_trace("Checking %s (%s %s %s) against %s (%s %s %s) filter=0x%.6x type=0x%.6x",
then->uuid,
is_set(then_flags, pe_action_optional) ? "optional" : "required",
is_set(then_flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then_flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->
uname : "", first->uuid, is_set(first_flags,
pe_action_optional) ? "optional" : "required",
is_set(first_flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(first_flags,
pe_action_pseudo) ? "pseudo" : first->node ? first->node->details->
uname : "", first_flags, other->type);
if (first == other->action) {
clear_bit(first_flags, pe_action_pseudo);
changed |= graph_update_action(first, then, then->node, first_flags, other->type);
} else if (order_actions(first, then, other->type)) {
/* Start again to get the new actions_before list */
changed |= (pe_graph_updated_then | pe_graph_disable);
}
if (changed & pe_graph_disable) {
crm_trace("Disabled constraint %s -> %s", other->action->uuid, then->uuid);
clear_bit(changed, pe_graph_disable);
other->type = pe_order_none;
}
if (changed & pe_graph_updated_first) {
GListPtr lpc2 = NULL;
crm_trace("Updated %s (first %s %s %s), processing dependants ",
first->uuid,
is_set(first->flags, pe_action_optional) ? "optional" : "required",
is_set(first->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(first->flags,
pe_action_pseudo) ? "pseudo" : first->node ? first->node->details->
uname : "");
for (lpc2 = first->actions_after; lpc2 != NULL; lpc2 = lpc2->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc2->data;
update_action(other->action);
}
update_action(first);
}
}
if (is_set(then->flags, pe_action_requires_any)) {
if (last_flags != then->flags) {
changed |= pe_graph_updated_then;
} else {
clear_bit(changed, pe_graph_updated_then);
}
}
if (changed & pe_graph_updated_then) {
crm_trace("Updated %s (then %s %s %s), processing dependants ",
then->uuid,
is_set(then->flags, pe_action_optional) ? "optional" : "required",
is_set(then->flags, pe_action_runnable) ? "runnable" : "unrunnable",
is_set(then->flags,
pe_action_pseudo) ? "pseudo" : then->node ? then->node->details->
uname : "");
update_action(then);
for (lpc = then->actions_after; lpc != NULL; lpc = lpc->next) {
action_wrapper_t *other = (action_wrapper_t *) lpc->data;
update_action(other->action);
}
}
return FALSE;
}