75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
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/*
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**********************************************************************************************
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* File: adapter_hs.h
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* Description:
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* Authors: Liu wentan <liuwentan@geedgenetworks.com>
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* Date: 2022-10-31
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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_HS_H_
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#define _ADAPTER_HS_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 <stdint.h>
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#include "log/log.h"
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#include "../expr_matcher.h"
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int adapter_hs_verify_regex_expression(const char *regex_expr, struct log_handle *logger);
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/**
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* @brief new adapter_hs 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 nr_worker_threads: the number of scan threads which will call adapter_hs_scan()
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*
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* @retval the pointer to adapter_hs instance
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*/
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void *adapter_hs_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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/**
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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 instance: adapter_hs instance obtained by adapter_hs_new()
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* @param thread_id: the thread_id of caller
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* @param data: data to be scanned
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* @param data_len: the length of data to be scanned
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* @param results: the array of expr_id
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* @param n_results: number of elements in array of expr_id
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*/
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int adapter_hs_scan(void *hs_instance, int thread_id, const char *data, size_t data_len,
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struct expr_scan_result *results, size_t n_result, size_t *n_hit_result);
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/**
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* @brief destroy adapter_hs instance
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*
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* @param instance: adapter_hs instance obtained by adapter_hs_new()
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*/
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void adapter_hs_free(void *instance);
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/**
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* @brief open adapter_hs stream after adapter_hs instance initialized for stream scan
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*
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*/
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void *adapter_hs_stream_open(void *hs_instance, int thread_id);
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int adapter_hs_scan_stream(void *stream, const char *data, size_t data_len,
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struct expr_scan_result *results, size_t n_result,
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size_t *n_hit_result);
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void adapter_hs_stream_close(void *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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