1 /* ====================================================================
2 * The Apache Software License, Version 1.1
4 * Copyright (c) 2000-2003 The Apache Software Foundation. All rights
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8 * modification, are permitted provided that the following conditions
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20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
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24 * if and wherever such third-party acknowledgments normally appear.
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56 #include "apr_pools.h"
59 #include "ap_provider.h"
61 static apr_hash_t *global_providers = NULL;
63 static apr_status_t cleanup_global_providers(void *ctx)
65 global_providers = NULL;
69 AP_DECLARE(apr_status_t) ap_register_provider(apr_pool_t *pool,
70 const char *provider_group,
71 const char *provider_name,
72 const char *provider_version,
75 apr_hash_t *provider_group_hash;
76 apr_hash_t *provider_version_hash;
78 if (global_providers == NULL) {
79 global_providers = apr_hash_make(pool);
80 apr_pool_cleanup_register(pool, NULL, cleanup_global_providers,
81 apr_pool_cleanup_null);
84 provider_group_hash = apr_hash_get(global_providers, provider_group,
87 if (!provider_group_hash) {
88 provider_group_hash = apr_hash_make(pool);
89 apr_hash_set(global_providers, provider_group, APR_HASH_KEY_STRING,
94 provider_version_hash = apr_hash_get(provider_group_hash, provider_name,
97 if (!provider_version_hash) {
98 provider_version_hash = apr_hash_make(pool);
99 apr_hash_set(provider_group_hash, provider_name, APR_HASH_KEY_STRING,
100 provider_version_hash);
104 /* just set it. no biggy if it was there before. */
105 apr_hash_set(provider_version_hash, provider_version, APR_HASH_KEY_STRING,
111 AP_DECLARE(void *) ap_lookup_provider(const char *provider_group,
112 const char *provider_name,
113 const char *provider_version)
115 apr_hash_t *provider_group_hash, *provider_name_hash;
117 if (global_providers == NULL) {
121 provider_group_hash = apr_hash_get(global_providers, provider_group,
122 APR_HASH_KEY_STRING);
124 if (provider_group_hash == NULL) {
128 provider_name_hash = apr_hash_get(provider_group_hash, provider_name,
129 APR_HASH_KEY_STRING);
131 if (provider_name_hash == NULL) {
135 return apr_hash_get(provider_name_hash, provider_version,
136 APR_HASH_KEY_STRING);