{"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\/ro\/blog\/news\/predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust","title":{"rendered":"Biblioteca Aya a fost prezentat\u0103 pentru crearea handlerelor eBPF \u00een limbajul Rust.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost lansat\u0103 prima versiune a bibliotecii Aya, care permite crearea de gestionari eBPF \u00een limbajul Rust, rula\u021bi \u00een interiorul nucleului Linux \u00eentr-o ma\u0219in\u0103 virtual\u0103 special\u0103 cu JIT. Spre deosebire de alte instrumente pentru dezvoltarea programelor eBPF, Aya nu folose\u0219te libbpf \u0219i compilatorul bcc, ci ofer\u0103 propria implementare scris\u0103 \u00een Rust, care utilizeaz\u0103 pachetul crate libc pentru acces direct la apelurile de sistem ale nucleului. Construirea Aya nu necesit\u0103 instrumente pentru limbajul C \u0219i fi\u0219ierele de antet ale nucleului. Codul bibliotecii este distribuit sub licen\u021bele MIT \u0219i Apache 2.0.    <\/p>\n<p>Func\u021bionalit\u0103\u021bi principale:  <\/p>\n<ul>\n<li class=\"l\"> Suport pentru formatul BTF (BPF Type Format), care ofer\u0103 informa\u021bii despre tipuri \u00een pseudocod BPF pentru verificarea tipurilor \u0219i potrivirea cu tipurile furnizate de nucleul curent. Utilizarea BTF permite crearea de gestionari eBPF universali, care pot fi utiliza\u021bi f\u0103r\u0103 recompilare cu diferite versiuni ale nucleului Linux.\n<li class=\"l\"> Suport pentru apelurile &#171;bpf-to-bpf&#187;, variabile globale \u0219i ini\u021bializatori, ceea ce permite formularea programelor pentru eBPF similar cu programele obi\u0219nuite care folosesc aya ca runtime, redefinind func\u021bii \u00een contextul eBPF.\n<li class=\"l\"> Suport pentru diverse tipuri de nucleu, inclusiv tablouri obi\u0219nuite, h\u0103r\u021bi hash (hash map), stive, cozi, tras\u0103ri de stiv\u0103, precum \u0219i structuri pentru socket-uri \u0219i urm\u0103rirea performan\u021bei.\n<li class=\"l\"> Posibilitatea de a crea diferite tipuri de programe eBTF, inclusiv programe pentru filtrarea \u0219i gestionarea traficului, gestionari cgroup \u0219i diverse opera\u021biuni cu socket-uri, programe XDP.\n<li class=\"l\"> Suport pentru platforme de procesare asincron\u0103 a cererilor \u00een mod neblocat tokio \u0219i async-std.\n<li class=\"l\"> Construire rapid\u0103, f\u0103r\u0103 leg\u0103turi la construc\u021bia nucleului \u0219i fi\u0219ierele de antet ale nucleului.    <\/ul>\n<p>Proiectul este \u00eenc\u0103 considerat experimental &#8212; API-ul nu este stabilizat \u0219i continu\u0103 s\u0103 se dezvolte. De asemenea, nu toate func\u021bionalit\u0103\u021bile propuse sunt implementate. P\u00e2n\u0103 la sf\u00e2r\u0219itul anului, dezvoltatorii inten\u021bioneaz\u0103 s\u0103 aduc\u0103 func\u021bionalitatea Aya la paritate cu libbpf, iar \u00een ianuarie 2022 s\u0103 formeze primul release stabil. De asemenea, se planific\u0103 combinarea p\u0103r\u021bilor Aya necesare pentru scrierea de cod \u00een Rust pentru kernelul Linux cu componentele care func\u021bioneaz\u0103 \u00een spa\u021biul utilizatorului \u0219i utilizate pentru \u00eenc\u0103rcare, ata\u0219are \u0219i interac\u021biune cu programele eBPF.   <\/p>\n<p>Reamintim c\u0103 eBPF este un interpret integrat \u00een nucleul Linux pentru bytecode, care permite crearea de manipulatoare pentru opera\u021biuni de re\u021bea, urm\u0103rirea func\u021bion\u0103rii sistemelor, interceptarea apelurilor de sistem, controlul accesului, procesarea evenimentelor cu p\u0103strarea cronometrajului, num\u0103rarea frecven\u021bei \u0219i a timpului de executare a opera\u021biunilor, precum \u0219i realizarea de tras\u0103ri utiliz\u00e2nd kprobes\/uprobes\/tracepoints. Datorit\u0103 utiliz\u0103rii compil\u0103rii JIT, bytecode-ul este tradus pe loc \u00een instruc\u021biuni de ma\u0219in\u0103 \u0219i executat cu performan\u021ba codului nativ. XDP ofer\u0103 instrumente pentru rularea programelor BPF la nivelul driverului de re\u021bea, cu acces direct la bufferul DMA al pachetelor, ceea ce permite crearea de manipulatoare de \u00eenalt\u0103 performan\u021b\u0103 pentru a lucra \u00een condi\u021bii de \u00eenc\u0103rcare mare a re\u021belei.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55340\">opennet.ro<\/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 5.0.2.1 - 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\/ro\/blog\/news\/predstavlena-biblioteka-aya-dlya-sozdaniya-ebpf-obrabotchikov-na-yazyke-rust","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","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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