X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fevent.c;h=12232220a8914c7ec75b72207cb0ef7f0f0465db;hp=5fee783dad4c5980f0891a6990162a463dab6505;hb=92afeec172f1f8a9f8b0bfdb94311bf0405433bb;hpb=78fc59e994c764d072bf0045177f690a378d1308 diff --git a/src/event.c b/src/event.c index 5fee783d..12232220 100644 --- a/src/event.c +++ b/src/event.c @@ -13,11 +13,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id$ + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "system.h" @@ -30,100 +28,80 @@ avl_tree_t *event_tree; extern time_t now; -int id; +static int id; -static int event_compare(const event_t *a, const event_t *b) -{ - if(a->time > b->time) +static int event_compare(const event_t *a, const event_t *b) { + if(a->time > b->time) { return 1; + } - if(a->time < b->time) + if(a->time < b->time) { return -1; + } return a->id - b->id; } -void init_events(void) -{ - cp(); - +void init_events(void) { event_tree = avl_alloc_tree((avl_compare_t) event_compare, (avl_action_t) free_event); } -void exit_events(void) -{ - cp(); - +void exit_events(void) { avl_delete_tree(event_tree); } -void expire_events(void) -{ +void expire_events(void) { avl_node_t *node; event_t *event; time_t diff; /* - * Make all events appear expired by substracting the difference between - * the expiration time of the last event and the current time. + * Make all events appear expired by subtracting the difference between + * the expiration time of the last event and the current time. */ - cp(); - - if(!event_tree->tail) + if(!event_tree->tail) { return; + } event = event_tree->tail->data; - if(event->time < now) + + if(event->time <= now) { return; + } + + diff = event->time - now; - diff = 1 + event->time - now; - for(node = event_tree->head; node; node = node->next) { event = node->data; event->time -= diff; } } -event_t *new_event(void) -{ - cp(); - +event_t *new_event(void) { return xmalloc_and_zero(sizeof(event_t)); } -void free_event(event_t *event) -{ - cp(); - +void free_event(event_t *event) { free(event); } -void event_add(event_t *event) -{ - cp(); - +void event_add(event_t *event) { event->id = ++id; avl_insert(event_tree, event); } -void event_del(event_t *event) -{ - cp(); - +void event_del(event_t *event) { avl_delete(event_tree, event); } -event_t *get_expired_event(void) -{ +event_t *get_expired_event(void) { event_t *event; - cp(); - if(event_tree->head) { event = event_tree->head->data; - if(event->time < now) { + if(event->time <= now) { avl_node_t *node = event_tree->head; avl_unlink_node(event_tree, node); free(node); @@ -133,3 +111,11 @@ event_t *get_expired_event(void) return NULL; } + +event_t *peek_next_event(void) { + if(event_tree->head) { + return event_tree->head->data; + } + + return NULL; +}