bool
flow_entry_hard_timeout(struct flow_entry *entry) {
bool timeout;
timeout = (entry->remove_at != 0) && (time_msec() > entry->remove_at);
if (timeout) {
flow_entry_remove(entry, OFPRR_HARD_TIMEOUT);
}
return timeout;
}
/* Handles flow mod messages with DELETE command. */
static ofl_err
flow_table_delete(struct flow_table *table, struct ofl_msg_flow_mod *mod, bool strict) {
struct flow_entry *entry, *next;
LIST_FOR_EACH_SAFE (entry, next, struct flow_entry, match_node, &table->match_entries) {
if (flow_entry_matches(entry, mod, strict, true/*check_cookie*/)) {
flow_entry_remove(entry, OFPRR_DELETE);
}
}
return 0;
}
bool
flow_entry_idle_timeout(struct flow_entry *entry) {
bool timeout;
timeout = (entry->stats->idle_timeout != 0) &&
(time_msec() > entry->last_used + entry->stats->idle_timeout * 1000);
if (timeout) {
flow_entry_remove(entry, OFPRR_IDLE_TIMEOUT);
}
return timeout;
}
void
group_entry_destroy(struct group_entry *entry) {
struct flow_ref_entry *ref, *next;
// remove all referencing flows
LIST_FOR_EACH_SAFE(ref, next, struct flow_ref_entry, node, &entry->flow_refs) {
flow_entry_remove(ref->entry, OFPRR_GROUP_DELETE);
// Note: the flow_ref_entryf will be destroyed after a chain of calls in flow_entry_remove
// no point in decreasing stats counter, as the group is destroyed anyway
}
ofl_structs_free_group_desc_stats(entry->desc, entry->dp->exp);
ofl_structs_free_group_stats(entry->stats);
free(entry->data);
free(entry);
}
void
meter_entry_destroy(struct meter_entry *entry) {
struct flow_ref_entry *ref, *next;
// remove all referencing flows
LIST_FOR_EACH_SAFE(ref, next, struct flow_ref_entry, node, &entry->flow_refs) {
flow_entry_remove(ref->entry, OFPRR_METER_DELETE);// METER_DELETE ???????
// Note: the flow_ref_entryf will be destroyed after a chain of calls in flow_entry_remove
}
OFL_UTILS_FREE_ARR_FUN(entry->config->bands, entry->config->meter_bands_num, ofl_structs_free_meter_bands);
free(entry->config);
OFL_UTILS_FREE_ARR(entry->stats->band_stats, entry->stats->meter_bands_num);
free(entry->stats);
free(entry);
}
