ubusd_obj.h

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/*
 * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 2.1
 * 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.
 */
 
#ifndef __UBUSD_OBJ_H
#define __UBUSD_OBJ_H
 
#include "ubusd_id.h"
 
extern struct avl_tree obj_types;
extern struct avl_tree objects;
extern struct avl_tree path;
 
struct ubus_client;
struct ubus_msg_buf;
 
struct ubus_object_type {
        struct ubus_id id;
        int refcount;
        struct list_head methods;
};
 
struct ubus_method {
        struct list_head list;
        const char *name;
        struct blob_attr data[];
};
 
struct ubus_subscription {
        struct list_head list, target_list;
        struct ubus_object *subscriber, *target;
};
 
struct ubus_object {
        struct ubus_id id;
        struct list_head list;
 
        struct list_head events;
 
        struct list_head subscribers, target_list;
 
        struct ubus_object_type *type;
        struct avl_node path;
 
        struct ubus_client *client;
        int (*recv_msg)(struct ubus_client *client, struct ubus_msg_buf *ub,
                        const char *method, struct blob_attr *msg);
 
        int event_seen;
        unsigned int invoke_seq;
};
 
struct ubus_object *ubusd_create_object(struct ubus_client *cl, struct blob_attr **attr);
struct ubus_object *ubusd_create_object_internal(struct ubus_object_type *type, uint32_t id);
void ubusd_free_object(struct ubus_object *obj);
 
static inline struct ubus_object *ubusd_find_object(uint32_t objid)
{
        struct ubus_object *obj;
        struct ubus_id *id;
 
        id = ubus_find_id(&objects, objid);
        if (!id)
                return NULL;
 
        obj = container_of(id, struct ubus_object, id);
        return obj;
}
 
void ubus_subscribe(struct ubus_object *obj, struct ubus_object *target);
void ubus_unsubscribe(struct ubus_subscription *s);
void ubus_notify_unsubscribe(struct ubus_subscription *s);
void ubus_notify_subscription(struct ubus_object *obj);
 
#endif