{"id":72185,"date":"2020-03-02T16:19:28","date_gmt":"2020-03-02T13:19:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google"},"modified":"2020-03-03T16:10:19","modified_gmt":"2020-03-03T13:10:19","slug":"os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","title":{"rendered":"OS Fuchsia intr\u0103 \u00een etapa de testare la angaja\u021bii Google","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Google a adus modific\u0103ri<\/a><\/noindex>, care indic\u0103 trecerea sistemului de operare Fuchsia<\/a><\/noindex> la etapa de testare intern\u0103 final\u0103 «dogfooding<\/a><\/noindex>«, care implic\u0103 utilizarea produsului \u00een activitatea zilnic\u0103 a angaja\u021bilor, \u00eenainte de a fi disponibil pentru utilizatorii obi\u0219nui\u021bi. \u00cen aceast\u0103 etap\u0103, produsul de\u021bine<\/a><\/noindex> este \u00eentr-o stare care a trecut deja prin testarea principal\u0103 efectuat\u0103 de echipele de evaluare a calit\u0103\u021bii. \u00cenainte de a oferi produsul unui public larg, se face o verificare final\u0103 pe angaja\u021bii care nu sunt implica\u021bi \u00een dezvoltare.<\/p>\n

\u00cen clientul sistemului de gestionare a livr\u0103rii actualiz\u0103rilor Omaha<\/a><\/noindex>, \u00een care sunt testate versiunile Chrome \u0219i Chrome OS, ad\u0103ugat<\/a><\/noindex> componen\u021ba fuchsia.cobalt.SystemDataUpdater \u0219i a fost propus un ghid pentru migrarea dispozitivelor pe noua ramur\u0103 «dogfood-release» folosind utilitarul fx<\/a><\/noindex> (analog cu adb pentru Fuchsia). \u00cen sistemul de integrare continu\u0103 au fost ad\u0103ugate<\/a><\/noindex> al construirii bootloader-ului pentru ramura dogfood, iar \u00een platforma Fuchsia sunt incluse<\/a><\/noindex> metrici separate pentru evaluarea rezultatelor test\u0103rii.<\/p>\n

\u00cen comentariile referitoare la modific\u0103rile din Fuchsia se men\u021bioneaz\u0103<\/a><\/noindex> sunt dou\u0103 linkuri pentru livrarea actualiz\u0103rilor fuchsia-updates.googleusercontent.com \u0219i arm64.dogfood-release.astro.fuchsia.com, \u00een al doilea link, Astro este numele de cod pentru ecranul inteligent Google Nest Hub<\/a><\/noindex>, care, se pare, este utilizat de angaja\u021bii Google ca prototip pentru testare
\nFuchsia \u00een locul firmware-ului standard pentru Cast Platform. Interfa\u021ba Nest Hub se bazeaz\u0103 pe aplica\u021bia Dragonglass, care folose\u0219te framework-ul Flutter, ce este de asemenea suportat \u00een Fuchsia.<\/p>\n

Reamintim c\u0103 \u00een cadrul proiectului Fuchsia, Google dezvolt\u0103 un sistem de operare universal, capabil s\u0103 func\u021bioneze pe orice tip de dispozitive, de la sta\u021bii de lucru \u0219i smartphone-uri, p\u00e2n\u0103 la tehnologie integrat\u0103 \u0219i consumabile. Dezvoltarea are \u00een vedere experien\u021ba dob\u00e2ndit\u0103 \u00een crearea platformei Android \u0219i \u021bine cont de dezavantajele \u00een ceea ce prive\u0219te scalabilitatea \u0219i securitatea. <\/p>\n

Sistemul este bazat pe un microkernel Zircon<\/a><\/noindex>, bazat\u0103 pe rezultatele proiectului LK<\/a><\/noindex>, extins pentru aplicarea pe diverse clase de dispozitive, inclusiv smartphone-uri \u0219i calculatoare personale. Zircon extinde LK cu suport pentru procese \u0219i biblioteci partajate<\/a><\/noindex>, nivel de utilizator, sistem de procesare a obiectelor \u0219i model de securitate pe baza capabilit\u0103\u021bilor. Driver-ele sunt implementate<\/a><\/noindex> sub form\u0103 de biblioteci dinamice care ruleaz\u0103 \u00een spa\u021biul utilizatorului, \u00eenc\u0103rcate de procesul devhost \u0219i gestionate de managerul de dispozitive (devmg, Device Manager).<\/p>\n

Pentru Fuchsia preg\u0103tit<\/a><\/noindex> propriu interfa\u021b\u0103 grafic\u0103<\/a><\/noindex>, scris \u00een limbajul Dart folosind framework-ul Flutter. Proiectul dezvolt\u0103 de asemenea framework-ul pentru construirea interfe\u021belor utilizatorului Peridot, managerul de pachete Fargo, biblioteca standard libc<\/a><\/noindex>, sistem de randare Escher<\/a><\/noindex>, driver Vulkan Magma<\/a><\/noindex>, manager de compozit Scenic<\/a><\/noindex>, sisteme de fi\u0219iere MinFS, MemFS, ThinFS (FAT \u00een limbajul Go) \u0219i Blobfs, precum \u0219i managerul de sec\u021biuni FVM. Pentru dezvoltarea aplica\u021biilor se ofer\u0103<\/a><\/noindex> suport pentru limbile C\/C++, Dart, \u00een componentele de sistem se admite de asemenea utilizarea Rust, \u00een stiva de re\u021bea Go, iar \u00een sistemul de construire limbajul Python.<\/p>\n

\"OS<\/a><\/noindex><\/center><\/p>\n

\u00cen procesul de bootare se folose\u0219te<\/a><\/noindex> managerul de sistem, incluz\u00e2nd
\nappmgr pentru crearea mediului aplica\u021biei ini\u021biale, sysmgr pentru formarea mediului de boot \u0219i basemgr pentru configurarea mediului utilizatorului \u0219i organizarea autentific\u0103rii \u00een sistem. Pentru compatibilitatea cu Linux \u00een Fuchsia se ofer\u0103<\/a><\/noindex> biblioteca Machina, care permite rularea programelor Linux \u00eentr-o ma\u0219in\u0103 virtual\u0103 special\u0103 izolat\u0103, format\u0103 cu ajutorul hipervizorului bazat pe kernel-ul Zircon \u0219i specifica\u021biile Virtio, asem\u0103n\u0103tor cu modul \u00een care este organizat<\/a><\/noindex> rularea aplica\u021biilor Linux \u00een Chrome OS. <\/p>\n

Pentru a asigura securitatea, se ofer\u0103 un sistem avansat de izolare sandbox<\/a><\/noindex>, \u00een care noile procese nu au acces la obiectele kernel-ului, nu pot aloca memorie \u0219i nu pot rula cod, iar pentru accesul la resurse se aplic\u0103 un sistem de spa\u021bii de nume<\/a><\/noindex>, care define\u0219te privilegii disponibile. Platforma ofer\u0103<\/a><\/noindex> este un framework pentru crearea componentelor, care sunt programe ce ruleaz\u0103 \u00een sandbox-ul lor, care pot interac\u021biona cu alte componente prin IPC.<\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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