[FEATURE]expr_matcher support dual engine(hyperscan & rulescan)

scanner/expr_matcher/adapter_hs/adapter_hs.h

@@ -0,0 +1,75 @@
+/*
+**********************************************************************************************
+*	File: adapter_hs.h
+*   Description: 
+*	Authors: Liu wentan <liuwentan@geedgenetworks.com>
+*	Date:    2022-10-31
+*   Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
+***********************************************************************************************
+*/
+
+#ifndef _ADAPTER_HS_H_
+#define _ADAPTER_HS_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "log/log.h"
+#include "../expr_matcher.h"
+
+int adapter_hs_verify_regex_expression(const char *regex_expr, struct log_handle *logger);
+/**
+ * @brief new adapter_hs instance
+ * 
+ * @param rules:             logic AND expression's array
+ * @param n_rule:            the number of logic AND expression's array
+ * @param nr_worker_threads: the number of scan threads which will call adapter_hs_scan()
+ * 
+ * @retval the pointer to adapter_hs instance
+*/
+void *adapter_hs_new(struct expr_rule *rules, size_t n_rule,
+                     size_t n_literal_pattern, size_t n_regex_pattern,
+                     size_t n_worker_thread, struct log_handle *logger);
+
+/**
+ * @brief scan input data to match logic AND expression, return all matched expr_id
+ * 
+ * @param instance:  adapter_hs instance obtained by adapter_hs_new()
+ * @param thread_id: the thread_id of caller
+ * @param data:      data to be scanned
+ * @param data_len:  the length of data to be scanned
+ * @param results:   the array of expr_id
+ * @param n_results: number of elements in array of expr_id
+*/
+int adapter_hs_scan(void *hs_instance, int thread_id, const char *data, size_t data_len, 
+                    struct expr_scan_result *results, size_t n_result, size_t *n_hit_result);
+
+/**
+ * @brief destroy adapter_hs instance
+ * 
+ * @param instance: adapter_hs instance obtained by adapter_hs_new()
+*/
+void adapter_hs_free(void *instance);
+
+/**
+ * @brief open adapter_hs stream after adapter_hs instance initialized for stream scan
+ * 
+*/
+void *adapter_hs_stream_open(void *hs_instance, int thread_id);
+
+int adapter_hs_scan_stream(void *stream, const char *data, size_t data_len,
+                           struct expr_scan_result *results, size_t n_result,
+                           size_t *n_hit_result);
+
+void adapter_hs_stream_close(void *stream);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif