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-rw-r--r--include/hash.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/hash.h b/include/hash.h
new file mode 100644
index 0000000..fd971e7
--- /dev/null
+++ b/include/hash.h
@@ -0,0 +1,47 @@
+#ifndef _NF_SET_HASH_H_
+#define _NF_SET_HASH_H_
+
+#include <unistd.h>
+#include <sys/types.h>
+#include "slist.h"
+#include "linux_list.h"
+
+struct hashtable;
+struct hashtable_node;
+
+struct hashtable {
+ u_int32_t hashsize;
+ u_int32_t limit;
+ u_int32_t count;
+ u_int32_t initval;
+ u_int32_t datasize;
+
+ u_int32_t (*hash)(const void *data, struct hashtable *table);
+ int (*compare)(const void *data1, const void *data2);
+
+ struct slist_head members[0];
+};
+
+struct hashtable_node {
+ struct slist_head head;
+ char data[0];
+};
+
+struct hashtable_node *hashtable_alloc_node(int datasize, void *data);
+void hashtable_destroy_node(struct hashtable_node *h);
+
+struct hashtable *
+hashtable_create(int hashsize, int limit, int datasize,
+ u_int32_t (*hash)(const void *data, struct hashtable *table),
+ int (*compare)(const void *data1, const void *data2));
+void hashtable_destroy(struct hashtable *h);
+
+void *hashtable_add(struct hashtable *table, void *data);
+void *hashtable_test(struct hashtable *table, const void *data);
+int hashtable_del(struct hashtable *table, void *data);
+int hashtable_flush(struct hashtable *table);
+int hashtable_iterate(struct hashtable *table, void *data,
+ int (*iterate)(void *data1, void *data2));
+unsigned int hashtable_counter(struct hashtable *table);
+
+#endif