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hyperscan\u7f16\u8bd1\uff1a<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n
hyperscan\u4f9d\u8d56\u4ee5\u4e0b\u51e0\u4e2a\u5e93\uff0c\u9700\u8981\u786e\u4fdd\u8fd9\u51e0\u4e2a\u5e93\u90fd\u5b58\u5728\u3002<\/p>\n\n\n\n![\"\"](\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/11\/\u56fe\u7247-5.png\")
<\/figure>\n\n\n\n<\/div>\n\n\n\n
\u7b2c\u4e00\u6b65\uff1a\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u4ee3\u7801<\/p>\n\n\n\n
<\/div>\n\n\n\n
git clone --branch v5.4.2 https:\/\/github.com\/intel\/hyperscan.git<\/code><\/p>\n\n\n\n<\/div>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u6784\u9020\u9879\u76ee<\/p>\n\n\n\n
<\/div>\n\n\n\n
mkdir build && cd build && cmake -DBUILD_SHARED_LIBS=ON ..<\/code><\/p>\n\n\n\n<\/div>\n\n\n\n
![\"\"](\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/11\/\u56fe\u7247-6.png\")
<\/figure>\n\n\n\n<\/div>\n\n\n\n
\u7b2c\u4e09\u6b65\uff1a\u7f16\u8bd1\u5b89\u88c5<\/p>\n\n\n\n
<\/div>\n\n\n\n
make -j 6 && make install<\/code><\/p>\n\n\n\n<\/div>\n\n\n\n
![\"\"](\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/11\/\u56fe\u7247-7.png\")
<\/figure>\n\n\n\n<\/div>\n\n\n\n
\u6d4b\u8bd5\u4ee3\u7801ths.c\uff1a<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n
\/\/ gcc -Wall -o test ths.c -lhs\n\n#include <stdio.h>\n#include <string.h>\n#include <hs\/hs.h>\n\n#define PATTERN_MAX 1024\ntypedef struct _exptns {\n char * exppttns[PATTERN_MAX] ;\n unsigned int expflgs[PATTERN_MAX] ;\n unsigned int expids[PATTERN_MAX] ;\n int num ;\n} exptns_t ;\n\n\/\/ \u589e\u52a0\u4e00\u4e2a\u5339\u914d\u6a21\u5f0f\nint add_pattern(exptns_t *exptns, char * pattern, unsigned int expflg, unsigned int expid) {\n int id = exptns->num ;\n if( id >= PATTERN_MAX || strlen(pattern) == 0 ) {\n return -1 ; \n }\n\n \/\/ 1\u3001\u6dfb\u52a0\u8868\u8fbe\u5f0f\n exptns->exppttns[id] = (char *)calloc(1, strlen(pattern)+1) ;\n memcpy(exptns->exppttns[id], pattern, strlen(pattern)) ;\n\n \/\/ 2\u3001\u8868\u8fbe\u5f0f\u5339\u914d\u65b9\u5f0f\n exptns->expflgs[id] = expflg ;\n\n \/\/ 3\u3001\u6a21\u5f0f\u5bf9\u5e94\u7684ID\u53f7\n exptns->expids[id] = expid ;\n exptns->num++ ;\n return 0 ;\n}\n\n\n\/\/ \u5339\u914d\u4e4b\u540e\u7684\u56de\u8c03\u51fd\u6570\nint match_cb(unsigned int id, unsigned long long from, unsigned long long to, unsigned int flags, void *context) {\n printf(\"match id %u from %llu to %llu %.*s\\n\", id, from, to, (int)to-(int)from, ((char *)context+from) ) ;\n return 0 ;\n}\n\n\/\/ \u6e05\u7406\u8868\u8fbe\u5f0f\u3001\u7f16\u8bd1\u5e93\u548c\u53e5\u67c4\nvoid free_hs_data(exptns_t *exptns, hs_database_t ** hsdb, hs_scratch_t ** hsscth){\n \/\/ 1\u3001\u6e05\u7406\u8868\u8fbe\u5f0f\u6570\u636e\n if(exptns) {\n for( int i=0; i<exptns->num; ++i) {\n if (exptns->exppttns[i]) {\n free(exptns->exppttns[i]) ;\n exptns->exppttns[i] = NULL ;\n exptns->expflgs[i] = 0 ;\n exptns->expids[i] = 0 ;\n }\n }\n exptns->num = 0 ;\n }\n \/\/ 2\u3001\u5220\u9664\u53e5\u67c4\n if(hsscth) \n if(*hsscth) {\n hs_free_scratch(*hsscth) ;\n *hsscth = NULL ;\n }\n\n \/\/ 3\u3001\u5220\u9664\u7f16\u8bd1\u540e\u7684\u6a21\u5f0f\u5e93\n if(hsdb)\n if(*hsdb) {\n hs_free_database(*hsdb) ;\n *hsdb = NULL ;\n }\n}\n\nint main(int argc, char *argv[]) {\n exptns_t exptns ;\n memset(&exptns, 0x00, sizeof(exptns)) ;\n\n \/\/ 0\u3001\u6dfb\u52a0 3 \u4e2a\u8868\u8fbe\u5f0f\n add_pattern(&exptns, \"abcd\", HS_FLAG_DOTALL | HS_FLAG_CASELESS | HS_FLAG_SOM_LEFTMOST | HS_FLAG_MULTILINE, 101) ;\n add_pattern(&exptns, \"opq(rst)u\", HS_FLAG_DOTALL | HS_FLAG_CASELESS | HS_FLAG_SOM_LEFTMOST | HS_FLAG_MULTILINE, 102) ;\n add_pattern(&exptns, \"hij\", HS_FLAG_DOTALL | HS_FLAG_CASELESS | HS_FLAG_SOM_LEFTMOST | HS_FLAG_MULTILINE, 103) ;\n\n\n hs_database_t * hsdb = NULL ; \/\/ \u7528\u6765\u63a5\u6536\u7f16\u8bd1\u540e\u7684 hs \u5e93\u5730\u5740\n hs_compile_error_t * cmplerr = NULL ;\n hs_error_t hs_ret ;\n \/\/ 1\u3001\u7f16\u8bd1\n hs_ret = hs_compile_multi((const char * const *)exptns.exppttns, (const unsigned int*)exptns.expflgs, \n (const unsigned int *)exptns.expids, exptns.num, \n HS_MODE_BLOCK, NULL, &hsdb, &cmplerr) ;\n\n if( hs_ret != HS_SUCCESS ) {\n if(cmplerr->expression < 0 ) {\n printf(\"compile multi failed : %s\\n\", cmplerr->message) ;\n } else {\n printf(\"compile multi failed : %s, error id %d rule %s\\n\", cmplerr->message, \n exptns.expids[cmplerr->expression], exptns.exppttns[cmplerr->expression]) ;\n }\n hs_free_compile_error(cmplerr) ;\n free_hs_data(&exptns, NULL, NULL) ;\n return -1 ;\n }\n\n hs_scratch_t * hsscth = NULL ;\n \/\/ 2\u3001\u83b7\u53d6\u5339\u914d\u53e5\u67c4\n hs_ret = hs_alloc_scratch(hsdb, &hsscth) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"get hs scratch failed !\\n\") ;\n free_hs_data(&exptns, &hsdb, NULL) ;\n return -1 ;\n }\n\n \/\/ 3\u3001\u5339\u914d\n char * str = \"xxabcdefghijkLMNOPQrstUVWzyxabCDEFghiijklm\" ;\n hs_ret = hs_scan(hsdb, str, strlen(str), 0, hsscth, &match_cb, str) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"get hs scan failed !\\n\") ;\n return -1 ;\n }\n\n\n printf(\"\\n===============================\\n\") ;\n \/\/ \u6d4b\u8bd52\n hs_scratch_t * hsscth2 = NULL ;\n hs_ret = hs_alloc_scratch(hsdb, &hsscth2) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"get hs scratch failed !\\n\") ;\n free_hs_data(&exptns, &hsdb, &hsscth) ;\n return -1 ;\n }\n\n hs_ret = hs_scan(hsdb, str, strlen(str), 0, hsscth2, &match_cb, str) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"get hs scan failed !\\n\") ;\n return -1 ;\n }\n\n printf(\"\\n--------------------------------------------\\n\") ;\n \/\/ \u6d4b\u8bd53\n hs_scratch_t * hsscth3 = NULL ;\n hs_ret = hs_clone_scratch(hsscth2, &hsscth3) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"clone hs scratch failed !\\n\") ;\n free_hs_data(&exptns, &hsdb, &hsscth) ;\n return -1 ;\n }\n free_hs_data(NULL, NULL, &hsscth2) ;\n\n hs_ret = hs_scan(hsdb, str, strlen(str), 0, hsscth3, &match_cb, str) ;\n if( hs_ret != HS_SUCCESS ) {\n printf(\"get hs scan failed !\\n\") ;\n return -1 ;\n }\n free_hs_data(NULL, NULL, &hsscth3) ;\n\n\n \/\/ 4\u3001\u7a7a\u95f4\u91ca\u653e\n free_hs_data(&exptns, &hsdb, &hsscth) ;\n \n return 0 ;\n}<\/code><\/pre>\n\n\n\n<\/div>\n\n\n\n
\u7f16\u8bd1\u548c\u6d4b\u8bd5\uff1a<\/strong><\/p>\n\n\n\n<\/div>\n\n\n\n
![\"\"](\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/11\/\u56fe\u7247-4.png\")
<\/figure>\n","protected":false},"excerpt":{"rendered":"hyperscan\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5e93\uff0c\u7531 Intel \u5f00\u53d1\u5e76\u5f00\u6e90\uff0c\u65e8\u5728\u63d0\u4f9b\u9ad8\u901f\u3001\u4f4e\u5ef6\u8fdf\u7684\u6a21\u5f0f\u5339\u914d\u80fd\u529b\u3002
\n\u4ee3\u7801\u5730\u5740\uff1ahttps:\/\/github.com\/intel\/hyperscan
\n\u4f7f\u7528\u624b\u518c\u5728\uff1ahttp:\/\/intel.github.io\/hyperscan\/dev-reference\/index.html<\/p>\n","protected":false},"author":1,"featured_media":559,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-with-sidebar","format":"standard","meta":{"footnotes":""},"categories":[156,154],"tags":[535,538,541,537,540,531,225,539],"class_list":["post-1664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c-c","category-154","tag-compile","tag-hs","tag-hs_scan","tag-hyperscan","tag-intel","tag-531","tag-225","tag-539"],"_links":{"self":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1664"}],"version-history":[{"count":4,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1664\/revisions"}],"predecessor-version":[{"id":1674,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1664\/revisions\/1674"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/media\/559"}],"wp:attachment":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}