Write skeleton of rspamd fast regexps.

1 files changed, 101 insertions, 0 deletions

diff --git a/src/libutil/regexp.c b/src/libutil/regexp.c
new file mode 100644
index 000000000..e4fbdef12
--- /dev/null
+++ b/src/libutil/regexp.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2015, Vsevolod Stakhov
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *	 * Redistributions of source code must retain the above copyright
+ *	   notice, this list of conditions and the following disclaimer.
+ *	 * Redistributions in binary form must reproduce the above copyright
+ *	   notice, this list of conditions and the following disclaimer in the
+ *	   documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "regexp.h"
+#include "blake2.h"
+#include "ref.h"
+#include <pcre.h>
+
+struct rspamd_regexp_s {
+	gdouble exec_time;			   /**< average execution time								*/
+	pcre *re;
+	pcre_extra *extra;
+	pcre *raw_re;
+	pcre_extra *raw_extra;
+	guchar id[BLAKE2B_OUTBYTES / 2];
+	ref_entry_t ref;
+};
+
+struct rspamd_regexp_cache {
+	GHashTable *tbl;
+};
+
+static struct rspamd_regexp_cache *global_re_cache = NULL;
+
+rspamd_regexp_t*
+rspamd_regexp_new (const gchar *pattern, const gchar *flags,
+		GError **err)
+{
+	return NULL;
+}
+
+gboolean
+rspamd_regexp_search (rspamd_regexp_t *re, const gchar *text, gsize len)
+{
+	return FALSE;
+}
+
+gboolean
+rspamd_regexp_match (rspamd_regexp_t *re, const gchar *text, gsize len)
+{
+	return FALSE;
+}
+
+void
+rspamd_regexp_unref (rspamd_regexp_t *re)
+{
+	REF_RELEASE (re);
+}
+
+struct rspamd_regexp_cache*
+rspamd_regexp_cache_new (void)
+{
+	return NULL;
+}
+
+
+rspamd_regexp_t*
+rspamd_regexp_cache_query (struct rspamd_regexp_cache* cache,
+		const gchar *pattern,
+		const gchar *flags)
+{
+	return NULL;
+}
+
+
+rspamd_regexp_t*
+rspamd_regexp_cache_create (struct rspamd_regexp_cache *cache,
+		const gchar *pattern,
+		const gchar *flags, GError **err)
+{
+	return NULL;
+}
+
+void
+rspamd_regexp_cache_destroy (struct rspamd_regexp_cache *cache)
+{
+
+}