/*
* Copyright (c) 2011 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup locsrv
* @{
*/
/** @file Categories for location service.
*/
#ifndef CATEGORY_H_
#define CATEGORY_H_
#include <adt/list.h>
#include "locsrv.h"
typedef sysarg_t catid_t;
/** Service category */
typedef struct {
/** Protects this structure, list of services */
fibril_mutex_t mutex;
/** Identifier */
catid_t id;
/** Category name */
const char *name;
/** Link to list of categories (categ_dir_t.categories) */
link_t cat_list;
/** List of service memberships in this category (svc_categ_t) */
list_t svc_memb;
} category_t;
/** Service directory ogranized by categories (yellow pages) */
typedef struct {
/** Protects this structure, list of categories */
fibril_mutex_t mutex;
/** List of all categories (category_t) */
list_t categories;
} categ_dir_t;
/** Service in category membership. */
typedef struct {
/** Link to category_t.svc_memb list */
link_t cat_link;
/** Link to loc_service_t.cat_memb list */
link_t svc_link;
/** Category */
category_t *cat;
/** Service */
loc_service_t *svc;
} svc_categ_t;
extern void categ_dir_init(categ_dir_t *);
extern void categ_dir_add_cat(categ_dir_t *, category_t *);
extern errno_t categ_dir_get_categories(categ_dir_t *, service_id_t *, size_t,
size_t *);
extern category_t *category_new(const char *);
extern errno_t category_add_service(category_t *, loc_service_t *);
extern void category_remove_service(svc_categ_t *);
extern category_t *category_get(categ_dir_t *, catid_t);
extern category_t *category_find_by_name(categ_dir_t *, const char *);
extern errno_t category_get_services(category_t *, service_id_t *, size_t,
size_t *);
#endif
/** @}
*/