diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-08 11:24:12 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-08 11:24:12 +0000 |
commit | 228d1c4df21088ffb0f2e087eae8c4323ad05760 (patch) | |
tree | 5155ea7bc428f0af268c4c63435d0696d18b124d /package/libnl-tiny/src/cache_mngt.c | |
parent | e260ab73e0a396b3ba39824beb1fb71716828a7f (diff) |
move library packages to package/libs/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33657 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/libnl-tiny/src/cache_mngt.c')
-rw-r--r-- | package/libnl-tiny/src/cache_mngt.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/package/libnl-tiny/src/cache_mngt.c b/package/libnl-tiny/src/cache_mngt.c deleted file mode 100644 index 5c32d2a1f..000000000 --- a/package/libnl-tiny/src/cache_mngt.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * lib/cache_mngt.c Cache Management - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation version 2.1 - * of the License. - * - * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch> - */ - -/** - * @ingroup core - * @defgroup cache_mngt Caching - * @{ - */ - -#include <netlink-local.h> -#include <netlink/netlink.h> -#include <netlink/cache.h> -#include <netlink/utils.h> - -static struct nl_cache_ops *cache_ops; - -/** - * @name Cache Operations Sets - * @{ - */ - -/** - * Lookup the set cache operations of a certain cache type - * @arg name name of the cache type - * - * @return The cache operations or NULL if no operations - * have been registered under the specified name. - */ -struct nl_cache_ops *nl_cache_ops_lookup(const char *name) -{ - struct nl_cache_ops *ops; - - for (ops = cache_ops; ops; ops = ops->co_next) - if (!strcmp(ops->co_name, name)) - return ops; - - return NULL; -} - -/** - * Associate a message type to a set of cache operations - * @arg protocol netlink protocol - * @arg msgtype netlink message type - * - * Associates the specified netlink message type with - * a registered set of cache operations. - * - * @return The cache operations or NULL if no association - * could be made. - */ -struct nl_cache_ops *nl_cache_ops_associate(int protocol, int msgtype) -{ - int i; - struct nl_cache_ops *ops; - - for (ops = cache_ops; ops; ops = ops->co_next) { - if (ops->co_protocol != protocol) - continue; - - for (i = 0; ops->co_msgtypes[i].mt_id >= 0; i++) - if (ops->co_msgtypes[i].mt_id == msgtype) - return ops; - } - - return NULL; -} - -#ifdef disabled - -/** - * Lookup message type cache association - * @arg ops cache operations - * @arg msgtype netlink message type - * - * Searches for a matching message type association ing the specified - * cache operations. - * - * @return A message type association or NULL. - */ -struct nl_msgtype *nl_msgtype_lookup(struct nl_cache_ops *ops, int msgtype) -{ - int i; - - for (i = 0; ops->co_msgtypes[i].mt_id >= 0; i++) - if (ops->co_msgtypes[i].mt_id == msgtype) - return &ops->co_msgtypes[i]; - - return NULL; -} - -static struct nl_cache_ops *cache_ops_lookup_for_obj(struct nl_object_ops *obj_ops) -{ - struct nl_cache_ops *ops; - - for (ops = cache_ops; ops; ops = ops->co_next) - if (ops->co_obj_ops == obj_ops) - return ops; - - return NULL; - -} - -/** - * Call a function for each registered cache operation - * @arg cb Callback function to be called - * @arg arg User specific argument. - */ -void nl_cache_ops_foreach(void (*cb)(struct nl_cache_ops *, void *), void *arg) -{ - struct nl_cache_ops *ops; - - for (ops = cache_ops; ops; ops = ops->co_next) - cb(ops, arg); -} -#endif - -/** - * Register a set of cache operations - * @arg ops cache operations - * - * Called by users of caches to announce the avaibility of - * a certain cache type. - * - * @return 0 on success or a negative error code. - */ -int nl_cache_mngt_register(struct nl_cache_ops *ops) -{ - if (!ops->co_name || !ops->co_obj_ops) - return -NLE_INVAL; - - if (nl_cache_ops_lookup(ops->co_name)) - return -NLE_EXIST; - - ops->co_next = cache_ops; - cache_ops = ops; - - NL_DBG(1, "Registered cache operations %s\n", ops->co_name); - - return 0; -} - -/** - * Unregister a set of cache operations - * @arg ops cache operations - * - * Called by users of caches to announce a set of - * cache operations is no longer available. The - * specified cache operations must have been registered - * previously using nl_cache_mngt_register() - * - * @return 0 on success or a negative error code - */ -int nl_cache_mngt_unregister(struct nl_cache_ops *ops) -{ - struct nl_cache_ops *t, **tp; - - for (tp = &cache_ops; (t=*tp) != NULL; tp = &t->co_next) - if (t == ops) - break; - - if (!t) - return -NLE_NOCACHE; - - NL_DBG(1, "Unregistered cache operations %s\n", ops->co_name); - - *tp = t->co_next; - return 0; -} - -/** @} */ - -/** - * @name Global Cache Provisioning/Requiring - * @{ - */ -#ifdef disabled -/** - * Provide a cache for global use - * @arg cache cache to provide - * - * Offers the specified cache to be used by other modules. - * Only one cache per type may be shared at a time, - * a previsouly provided caches will be overwritten. - */ -void nl_cache_mngt_provide(struct nl_cache *cache) -{ - struct nl_cache_ops *ops; - - ops = cache_ops_lookup_for_obj(cache->c_ops->co_obj_ops); - if (!ops) - BUG(); - else - ops->co_major_cache = cache; -} - -/** - * Unprovide a cache for global use - * @arg cache cache to unprovide - * - * Cancels the offer to use a cache globally. The - * cache will no longer be returned via lookups but - * may still be in use. - */ -void nl_cache_mngt_unprovide(struct nl_cache *cache) -{ - struct nl_cache_ops *ops; - - ops = cache_ops_lookup_for_obj(cache->c_ops->co_obj_ops); - if (!ops) - BUG(); - else if (ops->co_major_cache == cache) - ops->co_major_cache = NULL; -} - -/** - * Demand the use of a global cache - * @arg name name of the required object type - * - * Trys to find a cache of the specified type for global - * use. - * - * @return A cache provided by another subsystem of the - * specified type marked to be available. - */ -struct nl_cache *nl_cache_mngt_require(const char *name) -{ - struct nl_cache_ops *ops; - - ops = nl_cache_ops_lookup(name); - if (!ops || !ops->co_major_cache) { - fprintf(stderr, "Application BUG: Your application must " - "call nl_cache_mngt_provide() and\nprovide a valid " - "%s cache to be used for internal lookups.\nSee the " - " API documentation for more details.\n", name); - - return NULL; - } - - return ops->co_major_cache; -} - -#endif -/** @} */ - -/** @} */ |