| /* Copyright 2002-2005 The Apache Software Foundation or its licensors, as |
| * applicable. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr_pools.h" |
| #include "apr_hash.h" |
| |
| #include "ap_provider.h" |
| |
| static apr_hash_t *global_providers = NULL; |
| |
| static apr_status_t cleanup_global_providers(void *ctx) |
| { |
| global_providers = NULL; |
| return APR_SUCCESS; |
| } |
| |
| AP_DECLARE(apr_status_t) ap_register_provider(apr_pool_t *pool, |
| const char *provider_group, |
| const char *provider_name, |
| const char *provider_version, |
| const void *provider) |
| { |
| apr_hash_t *provider_group_hash; |
| apr_hash_t *provider_version_hash; |
| |
| if (global_providers == NULL) { |
| global_providers = apr_hash_make(pool); |
| apr_pool_cleanup_register(pool, NULL, cleanup_global_providers, |
| apr_pool_cleanup_null); |
| } |
| |
| provider_group_hash = apr_hash_get(global_providers, provider_group, |
| APR_HASH_KEY_STRING); |
| |
| if (!provider_group_hash) { |
| provider_group_hash = apr_hash_make(pool); |
| apr_hash_set(global_providers, provider_group, APR_HASH_KEY_STRING, |
| provider_group_hash); |
| |
| } |
| |
| provider_version_hash = apr_hash_get(provider_group_hash, provider_name, |
| APR_HASH_KEY_STRING); |
| |
| if (!provider_version_hash) { |
| provider_version_hash = apr_hash_make(pool); |
| apr_hash_set(provider_group_hash, provider_name, APR_HASH_KEY_STRING, |
| provider_version_hash); |
| |
| } |
| |
| /* just set it. no biggy if it was there before. */ |
| apr_hash_set(provider_version_hash, provider_version, APR_HASH_KEY_STRING, |
| provider); |
| |
| return APR_SUCCESS; |
| } |
| |
| AP_DECLARE(void *) ap_lookup_provider(const char *provider_group, |
| const char *provider_name, |
| const char *provider_version) |
| { |
| apr_hash_t *provider_group_hash, *provider_name_hash; |
| |
| if (global_providers == NULL) { |
| return NULL; |
| } |
| |
| provider_group_hash = apr_hash_get(global_providers, provider_group, |
| APR_HASH_KEY_STRING); |
| |
| if (provider_group_hash == NULL) { |
| return NULL; |
| } |
| |
| provider_name_hash = apr_hash_get(provider_group_hash, provider_name, |
| APR_HASH_KEY_STRING); |
| |
| if (provider_name_hash == NULL) { |
| return NULL; |
| } |
| |
| return apr_hash_get(provider_name_hash, provider_version, |
| APR_HASH_KEY_STRING); |
| } |