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

scanner/expr_matcher/adapter_rs/adapter_rs.h

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+/*
+**********************************************************************************************
+*	File: adapter_rs.h
+*   Description: 
+*	Authors: Liu wentan <liuwentan@geedgenetworks.com>
+*	Date:    2023-06-30
+*   Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
+***********************************************************************************************
+*/
+
+#ifndef _ADAPTER_RS_H_
+#define _ADAPTER_RS_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stddef.h>
+
+#include "log/log.h"
+
+#include "../expr_matcher.h"
+
+int adapter_rs_verify_regex_expression(const char *regex_expr,
+                                       struct log_handle *logger);
+
+/**
+ * @brief new adapter_rs instance
+ * 
+ * @param rules:      logic AND expression's array
+ * @param n_rule:     the number of logic AND expression's array
+ * @param n_worker_threads: the number of scan threads which will call adapter_rs_scan()
+ * 
+ * @retval the pointer to adapter_rs instance
+*/
+void *adapter_rs_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);
+
+void adapter_rs_free(void *rs_instance);
+
+/**
+ * @brief scan input data to match logic AND expression, return all matched expr_id
+ * 
+ * @param rs_instance:  adapter_rs instance obtained by adapter_rs_new()
+ * @param thread_id:    the thread_id of caller
+ * @param scan_data:    data to be scanned
+ * @param data_len:     the length of data to be scanned
+ * @param result_array: the array to store hit expr_id which allocated by caller
+ * @param n_result_array: number of elements in array of expr_id
+*/
+int adapter_rs_scan(void *rs_instance, int thread_id,
+                    const char *scan_data, size_t data_len,
+                    struct expr_scan_result *result_array,
+                    size_t n_result_array, size_t *n_hit_results);
+
+/**
+ * @brief
+ */
+void *adapter_rs_stream_open(void *rs_instance, int thread_id);
+
+/**
+ * @brief
+ */
+int adapter_rs_scan_stream(void *rs_stream, const char *scan_data,
+						   size_t data_len, struct expr_scan_result *result_array, 
+						   size_t n_result_array, size_t *n_hit_results);
+/**
+ * @brief
+ */
+void adapter_rs_stream_close(void *rs_stream);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif