/* * 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 /** @} */