1 files changed, 68 insertions, 0 deletions
diff --git a/util/cache.h b/util/cache.h
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+++ b/util/cache.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*  GMime
+ *  Copyright (C) 2000-2012 Jeffrey Stedfast
+ *
+ *  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; either version 2.1
+ *  of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free
+ *  Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ *  02110-1301, USA.
+ */
+
+
+#ifndef __CACHE_H__
+#define __CACHE_H__
+
+#include <glib.h>
+
+#include <sys/types.h>
+
+#include <util/list.h>
+
+G_BEGIN_DECLS
+
+typedef struct _Cache Cache;
+
+typedef struct {
+	ListNode node;
+	Cache *cache;
+	char *key;
+} CacheNode;
+
+typedef gboolean (*CacheNodeExpireFunc) (Cache *cache, CacheNode *node);
+typedef void (*CacheNodeFreeFunc) (CacheNode *node);
+
+struct _Cache {
+	List list;
+	size_t size;
+	size_t max_size;
+	size_t node_size;
+	GHashTable *node_hash;
+	CacheNodeExpireFunc expire;
+	CacheNodeFreeFunc free_node;
+};
+
+
+G_GNUC_INTERNAL Cache *cache_new (CacheNodeExpireFunc expire, CacheNodeFreeFunc free_node,
+				  size_t bucket_size, size_t max_cache_size);
+
+G_GNUC_INTERNAL void cache_free (Cache *cache);
+
+G_GNUC_INTERNAL CacheNode *cache_node_insert (Cache *cache, const char *key);
+G_GNUC_INTERNAL CacheNode *cache_node_lookup (Cache *cache, const char *key, gboolean use);
+
+G_GNUC_INTERNAL void cache_expire_unused (Cache *cache);
+G_GNUC_INTERNAL void cache_node_expire (CacheNode *node);
+
+G_END_DECLS
+
+#endif /* __CACHE_H__ */