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score_db: support hash prefilter

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zhuzhenjun
2023-10-23 09:54:02 +08:00
parent c0cfa2e61d
commit 7a5b2e9f07
7 changed files with 302 additions and 171 deletions
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11
src/osfp_score_db.h
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@@ -22,8 +22,18 @@ struct osfp_field_score_db {
struct osfp_os_class_score *(*match)(void *, void *, unsigned int);
};
struct osfp_prefilter_hash_element {
struct osfp_fingerprint *fp;
char *fp_json;
unsigned int os_class;
UT_hash_handle hh;
};
struct osfp_score_db {
unsigned int entry_count;
struct osfp_prefilter_hash_element *prefilter_head;
unsigned int perfect_score;
unsigned int os_class_entry_count[OSFP_OS_CLASS_MAX];
struct osfp_field_score_db field_score_dbs[OSFP_FIELD_MAX];
@@ -33,6 +43,7 @@ char *osfp_score_db_read_file(char *fp_file);
void osfp_score_db_debug_print(struct osfp_score_db *score_db);
int osfp_score_db_load(struct osfp_score_db *score_db, char *fp_file);
int osfp_score_db_prefilter(struct osfp_score_db *score_db, struct osfp_fingerprint *fp, struct osfp_os_class_score *result_score);
int osfp_score_db_score(struct osfp_score_db *score_db, unsigned int flags, struct osfp_fingerprint *fp, struct osfp_os_class_score *result_score);
struct osfp_score_db *osfp_score_db_create(void);