2010-08-08 08:05:54 +02:00
|
|
|
/*
|
|
|
|
|
Copyright (c) 1998-2010, Enno Rehling <enno@eressea.de>
|
|
|
|
|
Katja Zedel <katze@felidae.kn-bremen.de
|
|
|
|
|
Christian Schlittchen <corwin@amber.kn-bremen.de>
|
|
|
|
|
|
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
|
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
|
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
|
|
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
|
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
|
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
|
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
|
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
|
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
|
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
|
**/
|
|
|
|
|
|
|
|
|
|
#ifndef EVENT_H
|
|
|
|
|
#define EVENT_H
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include "variant.h"
|
|
|
|
|
|
|
|
|
|
struct attrib;
|
|
|
|
|
struct trigger;
|
|
|
|
|
struct storage;
|
|
|
|
|
|
|
|
|
|
typedef struct trigger_type {
|
|
|
|
|
const char * name;
|
|
|
|
|
void (*initialize)(struct trigger *);
|
|
|
|
|
void (*finalize)(struct trigger *);
|
|
|
|
|
int (*handle)(struct trigger *, void *);
|
|
|
|
|
void (*write)(const struct trigger *, struct storage * store);
|
|
|
|
|
int (*read)(struct trigger *, struct storage * store);
|
|
|
|
|
|
|
|
|
|
struct trigger_type * next;
|
|
|
|
|
} trigger_type;
|
|
|
|
|
|
|
|
|
|
extern trigger_type * tt_find(const char * name);
|
|
|
|
|
extern void tt_register(trigger_type * ttype);
|
|
|
|
|
|
|
|
|
|
typedef struct trigger {
|
|
|
|
|
struct trigger_type * type;
|
|
|
|
|
struct trigger * next;
|
|
|
|
|
|
|
|
|
|
variant data;
|
|
|
|
|
} trigger;
|
|
|
|
|
|
|
|
|
|
typedef struct event_arg {
|
|
|
|
|
const char * type;
|
|
|
|
|
variant data;
|
|
|
|
|
} event_arg;
|
|
|
|
|
|
|
|
|
|
extern trigger * t_new(trigger_type * ttype);
|
|
|
|
|
extern void t_free(trigger * t);
|
|
|
|
|
extern void t_add(trigger ** tlist, trigger * t);
|
|
|
|
|
/** add and handle triggers **/
|
|
|
|
|
|
|
|
|
|
/* add a trigger to a list of attributes */
|
|
|
|
|
extern void add_trigger(struct attrib ** ap, const char * eventname, struct trigger * t);
|
|
|
|
|
extern void remove_triggers(struct attrib ** ap, const char * eventname, const trigger_type * tt);
|
|
|
|
|
extern struct trigger ** get_triggers(struct attrib * ap, const char * eventname);
|
|
|
|
|
/* calls handle() for each of these. e.g. used in timeout */
|
|
|
|
|
extern void handle_event(struct attrib * attribs, const char * eventname, void * data);
|
|
|
|
|
|
|
|
|
|
/* functions for making complex triggers: */
|
|
|
|
|
extern void free_triggers(trigger * triggers); /* release all these triggers */
|
|
|
|
|
extern void write_triggers(struct storage * store, const trigger * t);
|
|
|
|
|
extern int read_triggers(struct storage * store, trigger ** tp);
|
|
|
|
|
extern int handle_triggers(trigger ** triggers, void * data);
|
|
|
|
|
|
|
|
|
|
extern struct attrib_type at_eventhandler;
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
