#include <afb/afb-event-itf.h>
#include "afb-evt.h"
+#include "afb-hook.h"
+#include "verbose.h"
struct afb_evt_watch;
/* id of the event */
int id;
+ /* hooking */
+ int hookflags;
+
/* mutex of the event */
pthread_mutex_t mutex;
static int event_id_wrapped = 0;
/*
- * Broadcasts the event 'evt' with its 'object'
- * 'object' is released (like json_object_put)
- * Returns the count of listener that received the event.
- */
-static int evt_broadcast(struct afb_evt_event *evt, struct json_object *object)
-{
- return afb_evt_broadcast(evt->name, object);
-}
-
-/*
- * Broadcasts the 'event' with its 'object'
- * 'object' is released (like json_object_put)
+ * Broadcasts the 'event' of 'id' with its 'obj'
+ * 'obj' is released (like json_object_put)
+ * calls hooks if hookflags isn't 0
* Returns the count of listener having receive the event.
*/
-int afb_evt_broadcast(const char *event, struct json_object *object)
+static int broadcast(const char *event, struct json_object *obj, int id, int hookflags)
{
int result;
struct afb_evt_listener *listener;
+ if (hookflags & afb_hook_flag_evt_broadcast_before)
+ afb_hook_evt_broadcast_before(event, id, obj);
result = 0;
pthread_mutex_lock(&listeners_mutex);
listener = listeners;
while(listener) {
if (listener->itf->broadcast != NULL) {
- listener->itf->broadcast(listener->closure, event, 0, json_object_get(object));
+ listener->itf->broadcast(listener->closure, event, id, json_object_get(obj));
result++;
}
listener = listener->next;
}
pthread_mutex_unlock(&listeners_mutex);
- json_object_put(object);
+ if (hookflags & afb_hook_flag_evt_broadcast_after)
+ afb_hook_evt_broadcast_after(event, id, obj, result);
+ json_object_put(obj);
return result;
}
+/*
+ * Broadcasts the event 'evt' with its 'object'
+ * 'object' is released (like json_object_put)
+ * Returns the count of listener that received the event.
+ */
+static int evt_broadcast(struct afb_evt_event *evt, struct json_object *object)
+{
+ return broadcast(evt->name, object, evt->id, evt->hookflags);
+}
+
+/*
+ * Broadcasts the 'event' with its 'object'
+ * 'object' is released (like json_object_put)
+ * Returns the count of listener having receive the event.
+ */
+int afb_evt_broadcast(const char *event, struct json_object *object)
+{
+ return broadcast(event, object, 0, -1);
+}
+
/*
* Pushes the event 'evt' with 'obj' to its listeners
* 'obj' is released (like json_object_put)
+ * calls hooks if hookflags isn't 0
* Returns the count of listener taht received the event.
*/
-static int evt_push(struct afb_evt_event *evt, struct json_object *obj)
+static int push(struct afb_evt_event *evt, struct json_object *obj, int hookflags)
{
int result;
struct afb_evt_watch *watch;
result = 0;
pthread_mutex_lock(&evt->mutex);
+ if (hookflags & afb_hook_flag_evt_push_before)
+ afb_hook_evt_push_before(evt->name, evt->id, obj);
watch = evt->watchs;
while(watch) {
listener = watch->listener;
assert(listener->itf->push != NULL);
- if (watch->activity != 0)
+ if (watch->activity != 0) {
listener->itf->push(listener->closure, evt->name, evt->id, json_object_get(obj));
+ result++;
+ }
watch = watch->next_by_event;
- result++;
}
+ if (hookflags & afb_hook_flag_evt_push_after)
+ afb_hook_evt_push_after(evt->name, evt->id, obj, result);
pthread_mutex_unlock(&evt->mutex);
json_object_put(obj);
return result;
}
+/*
+ * Pushes the event 'evt' with 'obj' to its listeners
+ * 'obj' is released (like json_object_put)
+ * Returns the count of listener taht received the event.
+ */
+static int evt_push(struct afb_evt_event *evt, struct json_object *obj)
+{
+ return push(evt, obj, evt->hookflags);
+}
+
/*
* Returns the name associated to the event 'evt'.
*/
static const char *evt_name(struct afb_evt_event *evt)
{
- return evt->name;
+ const char *name = strchr(evt->name, '/');
+ name = name ? name + 1 : evt->name;
+ if (evt->hookflags & afb_hook_flag_evt_name)
+ afb_hook_evt_name(evt->name, evt->id);
+ return name;
}
/*
pthread_mutex_unlock(&listener->mutex);
}
+ /* hook */
+ if (evt->hookflags & afb_hook_flag_evt_drop)
+ afb_hook_evt_drop(evt->name, evt->id);
+
/* free */
pthread_mutex_destroy(&evt->mutex);
free(evt);
struct afb_event afb_evt_create_event(const char *name)
{
size_t len;
- struct afb_evt_event *evt;
+ struct afb_evt_event *evt, *oevt;
/* allocates the event */
len = strlen(name);
if (evt == NULL)
goto error;
- /* initialize the event */
- evt->watchs = NULL;
- memcpy(evt->name, name, len + 1);
-
/* allocates the id */
pthread_mutex_lock(&events_mutex);
do {
}
if (!event_id_wrapped)
break;
- evt = events;
- while(evt != NULL && evt->id != event_id_counter)
- evt = evt->next;
- } while (evt != NULL);
+ oevt = events;
+ while(oevt != NULL && oevt->id != event_id_counter)
+ oevt = oevt->next;
+ } while (oevt != NULL);
/* initialize the event */
memcpy(evt->name, name, len + 1);
evt->id = event_id_counter;
pthread_mutex_init(&evt->mutex, NULL);
events = evt;
+ evt->hookflags = afb_hook_flags_evt(evt->name);
+ if (evt->hookflags & afb_hook_flag_evt_create)
+ afb_hook_evt_create(evt->name, evt->id);
pthread_mutex_unlock(&events_mutex);
/* returns the event */
watch = listener->watchs;
while(watch != NULL) {
if (watch->event == evt) {
- /* found: remove it */
if (watch->activity != 0) {
watch->activity--;
if (watch->activity == 0 && listener->itf->remove != NULL)
return -1;
}
+/*
+ * update the hooks for events
+ */
+void afb_evt_update_hooks()
+{
+ struct afb_evt_event *evt;
+
+ pthread_mutex_lock(&events_mutex);
+ for (evt = events ; evt ; evt = evt->next)
+ evt->hookflags = afb_hook_flags_evt(evt->name);
+ pthread_mutex_unlock(&events_mutex);
+}
+
+int afb_evt_push(struct afb_event event, struct json_object *object)
+{
+ if (event.itf == &afb_evt_event_itf)
+ return evt_push((struct afb_evt_event *)event.closure, object);
+ json_object_put(object);
+ return 0;
+}
+
+int afb_evt_unhooked_push(struct afb_event event, struct json_object *object)
+{
+ if (event.itf == &afb_evt_event_itf)
+ return push((struct afb_evt_event *)event.closure, object, 0);
+ json_object_put(object);
+ return 0;
+}
+