{"id":100527,"date":"2021-06-16T16:22:37","date_gmt":"2021-06-16T14:22:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust"},"modified":"2021-06-16T16:22:37","modified_gmt":"2021-06-16T14:22:37","slug":"predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust","title":{"rendered":"Predstaven\u00e1 kni\u017enica Aya na vytv\u00e1ranie eBPF spracovate\u013eov v jazyku Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol predstaven\u00fd prv\u00fd v\u00fdstup kni\u017enice Aya, ktor\u00e1 umo\u017e\u0148uje vytv\u00e1ra\u0165 v jazyku Rust eBPF spracovate\u013eov, sp\u00fa\u0161\u0165an\u00fdch v r\u00e1mci jadra Linuxu v \u0161peci\u00e1lnom virtu\u00e1lnom stroji s JIT. Na rozdiel od in\u00fdch n\u00e1strojov na v\u00fdvoj eBPF programov, Aya nepou\u017e\u00edva libbpf a kompil\u00e1tor bcc, ale pon\u00faka vlastn\u00fa implement\u00e1ciu nap\u00edsan\u00fa v Rust, ktor\u00e1 pou\u017e\u00edva crate bal\u00edk libc na priame volanie syst\u00e9mov\u00fdch volan\u00ed jadra. Na zostavenie Ayu nie je potrebn\u00e9 ma\u0165 n\u00e1stroje pre jazyk C a hlavi\u010dkov\u00e9 s\u00fabory jadra. K\u00f3d kni\u017enice je distribuovan\u00fd pod licenciami MIT a Apache 2.0.    <\/p>\n<p>Hlavn\u00e9 mo\u017enosti:  <\/p>\n<ul>\n<li class=\"l\"> Podpora form\u00e1tu BTF (BPF Type Format), ktor\u00fd poskytuje inform\u00e1cie o typoch v pseudok\u00f3de BPF na overovanie typov a zladenie s typmi poskytovan\u00fdmi aktu\u00e1lnym jadrom. Pou\u017eitie BTF umo\u017e\u0148uje vytv\u00e1ra\u0165 univerz\u00e1lne eBPF spracovate\u013eov, ktor\u00e9 je mo\u017en\u00e9 pou\u017e\u00edva\u0165 bez prekompil\u00e1cie s r\u00f4znymi verziami jadra Linuxu.\n<li class=\"l\"> Podpora volan\u00ed &#171;bpf-to-bpf&#187;, glob\u00e1lnych premenn\u00fdch a inicializ\u00e1torov, \u010do umo\u017e\u0148uje vytv\u00e1ra\u0165 programy pre eBPF podobne ako be\u017en\u00e9 programy, ktor\u00e9 pou\u017e\u00edvaj\u00fa aya ako runtime, predefinuj\u00face funkcie so zrete\u013eom na pr\u00e1cu v eBPF.\n<li class=\"l\"> Podpora r\u00f4znych typov jadra, vr\u00e1tane be\u017en\u00fdch pol\u00ed, hashov (hash map), z\u00e1sobn\u00edkov, frontov, trasovan\u00ed z\u00e1sobn\u00edka, ako aj \u0161trukt\u00far pre sokety a sledovanie v\u00fdkonu.\n<li class=\"l\"> Mo\u017enos\u0165 vytv\u00e1ra\u0165 r\u00f4zne typy eBTF programov, vr\u00e1tane programov na filtrovanie a riadenie prev\u00e1dzky, spracovate\u013eov cgroup a r\u00f4znych oper\u00e1ci\u00ed so soketmi, XDP programov.\n<li class=\"l\"> Podpora platforiem pre asynchr\u00f3nne spracovanie po\u017eiadaviek v neblokuj\u00facom re\u017eime tokio a async-std.\n<li class=\"l\"> R\u00fdchla zostava, bez a bez v\u00e4zby na zostavenie jadra a hlavi\u010dkov\u00e9 s\u00fabory jadra.    <\/ul>\n<p>Projekt sa zatia\u013e pova\u017euje za experiment\u00e1lny &#8212; API e\u0161te nie je stabilizovan\u00e9 a neust\u00e1le sa vyv\u00edja. Rovnako zatia\u013e neboli implementovan\u00e9 v\u0161etky pl\u00e1novan\u00e9 mo\u017enosti. Do konca roka sa v\u00fdvoj\u00e1ri pl\u00e1nuj\u00fa dosta\u0165 k parite funkcionality Aya s libbpf a v janu\u00e1ri 2022 predstavi\u0165 prv\u00fa stabiln\u00fa verziu. Pl\u00e1nuje sa tie\u017e zl\u00fa\u010di\u0165 \u010dasti Aya nevyhnutn\u00e9 na p\u00edsanie k\u00f3du v Rust pre jadro Linuxu s komponentmi, ktor\u00e9 pracuj\u00fa v u\u017e\u00edvate\u013eskom priestore a pou\u017e\u00edvaj\u00fa sa na na\u010d\u00edtanie, pripojenie a interakciu s programami eBPF.   <\/p>\n<p>Pripom\u00edname, \u017ee eBPF je integrovan\u00fd interpret bajtk\u00f3du v jadre Linuxu, ktor\u00fd umo\u017e\u0148uje vytv\u00e1ra\u0165 spracovate\u013eov sie\u0165ov\u00fdch oper\u00e1ci\u00ed, sledova\u0165 \u010dinnos\u0165 syst\u00e9mov, zachyt\u00e1va\u0165 syst\u00e9mov\u00e9 volania, kontrolova\u0165 pr\u00edstup, spracov\u00e1va\u0165 udalosti so zaznamen\u00e1van\u00edm \u010dasovania, po\u010d\u00edta\u0165 frekvenciu a \u010das vykon\u00e1vania oper\u00e1ci\u00ed, vykon\u00e1va\u0165 trasovanie pomocou kprobes\/uprobes\/tracepoints. V\u010faka pou\u017eit\u00ed JIT kompil\u00e1cie je bajtk\u00f3d v re\u00e1lnom \u010dase preveden\u00fd na strojov\u00e9 in\u0161trukcie a vykon\u00e1va sa s v\u00fdkonom nativn\u00e9ho k\u00f3du. XDP poskytuje prostriedky pre sp\u00fa\u0161tanie BPF programov na \u00farovni sie\u0165ov\u00e9ho ovl\u00e1da\u010da, s mo\u017enos\u0165ou pr\u00edstupu priamo k DMA bufferu paketov, \u010do umo\u017e\u0148uje vytv\u00e1ra\u0165 vysoko v\u00fdkonn\u00e9 spracovate\u013eov pre pr\u00e1cu v podmienkach vysok\u00e9ho sie\u0165ov\u00e9ho za\u0165a\u017eenia.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55340\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Aya, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 eBPF, \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0435 \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0434\u0440\u0430 Linux \u0432 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u0435 \u0441 JIT. \u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0434\u0440\u0443\u0433\u0438\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 eBPF-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c, Aya \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 libbpf \u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 bcc, \u0430 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0443\u044e \u043d\u0430 Rust, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 crate-\u043f\u0430\u043a\u0435\u0442 libc \u0434\u043b\u044f \u043f\u0440\u044f\u043c\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u043c \u0432\u044b\u0437\u043e\u0432\u0430\u043c \u044f\u0434\u0440\u0430. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100527","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Aya, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 eBPF, 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JIT.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 Aya \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f eBPF-\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust | 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