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