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/*
 * Copyright (C) 2016, 2017 "IoT.bzh"
 * Author: José Bollo <jose.bollo@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

struct afb_event;
struct afb_session;
struct json_object;
struct afb_evt_listener;

struct afb_evt_itf
{
	void (*push)(void *closure, const char *event, int eventid, struct json_object *object);
	void (*broadcast)(void *closure, const char *event, int eventid, struct json_object *object);
	void (*add)(void *closure, const char *event, int eventid);
	void (*remove)(void *closure, const char *event, int eventid);
};

extern struct afb_evt_listener *afb_evt_listener_create(const struct afb_evt_itf *itf, void *closure);

extern int afb_evt_broadcast(const char *event, struct json_object *object);

extern struct afb_evt_listener *afb_evt_listener_addref(struct afb_evt_listener *listener);
extern void afb_evt_listener_unref(struct afb_evt_listener *listener);

extern struct afb_event afb_evt_create_event(const char *name);
extern const char *afb_evt_event_name(struct afb_event event);
extern int afb_evt_event_id(struct afb_event event);

extern int afb_evt_add_watch(struct afb_evt_listener *listener, struct afb_event event);
extern int afb_evt_remove_watch(struct afb_evt_listener *listener, struct afb_event event);

extern void afb_evt_update_hooks();