1 files changed, 109 insertions, 0 deletions
diff --git a/subversion/libsvn_subr/cache.h b/subversion/libsvn_subr/cache.h
new file mode 100644
index 0000000..5029cef
--- /dev/null
+++ b/subversion/libsvn_subr/cache.h
@@ -0,0 +1,109 @@
+/*
+ * cache.h: cache vtable interface
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you 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.
+ * ====================================================================
+ */
+
+#ifndef SVN_LIBSVN_SUBR_CACHE_H
+#define SVN_LIBSVN_SUBR_CACHE_H
+
+#include "private/svn_cache.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct svn_cache__vtable_t {
+  /* See svn_cache__get(). */
+  svn_error_t *(*get)(void **value,
+                      svn_boolean_t *found,
+                      void *cache_implementation,
+                      const void *key,
+                      apr_pool_t *result_pool);
+
+  /* See svn_cache__set(). */
+  svn_error_t *(*set)(void *cache_implementation,
+                      const void *key,
+                      void *value,
+                      apr_pool_t *scratch_pool);
+
+  /* See svn_cache__iter(). */
+  svn_error_t *(*iter)(svn_boolean_t *completed,
+                       void *cache_implementation,
+                       svn_iter_apr_hash_cb_t func,
+                       void *baton,
+                       apr_pool_t *scratch_pool);
+
+  /* See svn_cache__is_cachable(). */
+  svn_boolean_t (*is_cachable)(void *cache_implementation,
+                               apr_size_t size);
+
+  /* See svn_cache__get_partial(). */
+  svn_error_t *(*get_partial)(void **value,
+                              svn_boolean_t *found,
+                              void *cache_implementation,
+                              const void *key,
+                              svn_cache__partial_getter_func_t func,
+                              void *baton,
+                              apr_pool_t *result_pool);
+
+  /* See svn_cache__set_partial(). */
+  svn_error_t *(*set_partial)(void *cache_implementation,
+                              const void *key,
+                              svn_cache__partial_setter_func_t func,
+                              void *baton,
+                              apr_pool_t *scratch_pool);
+
+  /* See svn_cache__get_info(). */
+  svn_error_t *(*get_info)(void *cache_implementation,
+                           svn_cache__info_t *info,
+                           svn_boolean_t reset,
+                           apr_pool_t *result_pool);
+} svn_cache__vtable_t;
+
+struct svn_cache__t {
+  const svn_cache__vtable_t *vtable;
+
+  /* See svn_cache__set_error_handler(). */
+  svn_cache__error_handler_t error_handler;
+  void *error_baton;
+
+  /* Private data for the cache implementation. */
+  void *cache_internal;
+
+  /* Total number of calls to getters. */
+  apr_uint64_t reads;
+
+  /* Total number of calls to set(). */
+  apr_uint64_t writes;
+
+  /* Total number of getter calls that returned a cached item. */
+  apr_uint64_t hits;
+
+  /* Total number of function calls that returned an error. */
+  apr_uint64_t failures;
+};
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* SVN_LIBSVN_SUBR_CACHE_H */