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/*
* event.h - event handler interfaces definition (API header file).
*
* Copyright (C) 2019 iopsys Software Solutions AB. All rights reserved.
*
* Author: anjan.chanda@iopsys.eu
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef EASYEVENT_H
#define EASYEVENT_H
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#include <stdint.h>
#include <stdbool.h>
#include <linux/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* struct event_response - event response data */
struct event_response {
uint32_t type;
uint32_t len;
uint8_t *data;
};
/* every event type knows what to do with returned data */
struct event_struct {
char ifname[16];
char family[32];
char group[32];
int (*cb)(struct event_struct *ev);
int (*filter_event)(struct event_struct *req, char *resp_data);
void *priv;
struct event_response resp;
/* User of this library should not touch
* the fields below.
*
* They can be set by a subsystem's implementation
* to process further an event before it reaches
* the user.
*/
int (*override_cb)(struct event_struct *ev);
/* File descriptor read monitor. If upper layer
* will detect read operation ready, will run
* wifi_recv_event()
*/
int fd_monitor;
};
enum easy_event_type {
EASY_EVENT_UNDEFINED,
EASY_EVENT_DEFAULT = 99, /* default handler */
};
extern int easy_register_event(struct event_struct *req, void **handle);
extern int easy_unregister_event(void *handle);
extern int easy_recv_event(void *handle);
extern int easy_get_event_fd(void *handle);
#ifdef __cplusplus
}
#endif