From a450d0faa8851a7df8dbb52788f99fe216f57c3d Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@rambler-co.ru>
Date: Tue, 27 Jan 2009 19:15:51 +0300
Subject: * Add new hash for storing hash data in shared memory * Add rwlocks
 implementation (primitive) in memory pool library

---
 src/hash.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/hash.h

(limited to 'src/hash.h')

diff --git a/src/hash.h b/src/hash.h
new file mode 100644
index 000000000..79931a37e
--- /dev/null
+++ b/src/hash.h
@@ -0,0 +1,62 @@
+/*
+ * =====================================================================================
+ *
+ *       Filename:  hash.h
+ *
+ *    Description:  Hash table implementation that uses memory pools from mem_pool library
+ *
+ *        Created:  27.01.2009 16:31:11
+ *       Compiler:  gcc
+ *
+ *         Author:  Vsevolod Stakhov
+ *        Company:  Rambler
+ *
+ * =====================================================================================
+ */
+
+#ifndef RSPAMD_HASH_H
+#define RSPAMD_HASH_H
+
+#include <sys/types.h>
+#include <glib.h>
+#include "mem_pool.h"
+
+struct rspamd_hash_node {
+	gpointer                 key;
+	gpointer                 value;
+	guint                    key_hash;
+	struct rspamd_hash_node *next;
+};
+
+typedef struct rspamd_hash_s {
+	gint                      size;
+	gint                      nnodes;
+	struct rspamd_hash_node **nodes;
+
+	GHashFunc                 hash_func;
+	GEqualFunc                key_equal_func;
+	gint                      shared;
+	memory_pool_rwlock_t     *lock;
+	memory_pool_t            *pool;
+} rspamd_hash_t;
+
+#define rspamd_hash_size(x) (x)->nnodes
+
+/* Create new hash in specified pool */
+rspamd_hash_t* rspamd_hash_new (memory_pool_t *pool, GHashFunc hash_func, GEqualFunc key_equal_func);
+/* Create new hash in specified pool using shared memory */
+rspamd_hash_t* rspamd_hash_new_shared (memory_pool_t *pool, GHashFunc hash_func, GEqualFunc key_equal_func);
+/* Insert item in hash */
+void rspamd_hash_insert (rspamd_hash_t *hash, gpointer key, gpointer value);
+/* Remove item from hash */
+gboolean rspamd_hash_remove (rspamd_hash_t *hash, gpointer key);
+/* Lookup item from hash */
+gpointer rspamd_hash_lookup (rspamd_hash_t *hash, gpointer key);
+/* Iterate throught hash */
+void rspamd_hash_foreach (rspamd_hash_t *hash, GHFunc func, gpointer user_data);
+
+#endif
+
+/*
+ * vi:ts=4
+ */
-- 
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