{"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\/sk\/blog\/news\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","title":{"rendered":"Opera\u010dn\u00fd syst\u00e9m Fuchsia prech\u00e1dza do f\u00e1zy testovania u zamestnancov Google.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spolo\u010dnos\u0165 Google urobila zmeny<\/a><\/noindex>, ktor\u00e9 sved\u010dia o prechode opera\u010dn\u00e9ho syst\u00e9mu Fuchsia<\/a><\/noindex> na f\u00e1zu kone\u010dn\u00e9ho intern\u00e9ho testovania «dogfooding<\/a><\/noindex>«, ktor\u00e1 zah\u0155\u0148a pou\u017e\u00edvanie produktu v ka\u017edodennej \u010dinnosti zamestnancov, pred jeho spr\u00edstupnen\u00edm be\u017en\u00fdm pou\u017e\u00edvate\u013eom. V uvedenej f\u00e1ze produkt v stave, ktor\u00fd u\u017e pre\u0161iel hlavn\u00fdm testovan\u00edm \u0161peci\u00e1lnymi t\u00edmami hodnotenia kvality. Pred t\u00fdm, ako je produkt dod\u00e1van\u00fd \u0161irok\u00fdm mas\u00e1m, sa navy\u0161e vykon\u00e1va kone\u010dn\u00e1 kontrola na svojich zamestnancoch, ktor\u00ed sa na v\u00fdvoji nepodie\u013eali.<\/a><\/noindex> V klientoch syst\u00e9mu spr\u00e1vy dod\u00e1vky aktualiz\u00e1ci\u00ed<\/p>\n

Omaha , kde sa testuj\u00fa verzie Chrome a Chrome OS,<\/a><\/noindex>komponent fuchsia.cobalt.SystemDataUpdater a navrhnut\u00e1 in\u0161trukcia na prevod zariaden\u00ed na nov\u00fa vetvu \u201edogfood-release\u201c pomocou utilitky bol pridan\u00fd<\/a><\/noindex> komponent fuchsia.cobalt.SystemDataUpdater a je navrhnut\u00fd n\u00e1vod na prechod zariaden\u00ed na nov\u00fa vetvu «dogfood-release» pomocou utilitky (anal\u00f3g adb pre Fuchsia). Do syst\u00e9mu kontinu\u00e1lnej integr\u00e1cie<\/a><\/noindex> boli pridan\u00e9 stavebn\u00e9 bloky pre vetvu dogfood, a do platformy Fuchsia<\/a><\/noindex> boli zahrnut\u00e9 samostatn\u00e9 metriky na hodnotenie v\u00fdsledkov testovania.<\/a><\/noindex> V koment\u00e1roch k zmen\u00e1m v Fuchsia<\/p>\n

s\u00fa spomenut\u00e9 dve odkazy na dod\u00e1vanie aktualiz\u00e1ci\u00ed fuchsia-updates.googleusercontent.com a arm64.dogfood-release.astro.fuchsia.com, pri\u010dom v druhom odkaze Astro je k\u00f3dov\u00e9 meno inteligentn\u00e9ho displeja<\/a><\/noindex> Google Nest Hub , ktor\u00fd je zrejme pou\u017e\u00edvan\u00fd zamestnancami Google ako prototyp na testovanie<\/a><\/noindex>Fuchsia miesto \u0161tandardn\u00e9ho firmv\u00e9ru Cast Platform. Rozhranie Nest Hub je postaven\u00e9 na b\u00e1ze aplik\u00e1cie Dragonglass, ktor\u00e1 pou\u017e\u00edva framework Flutter, ktor\u00fd je taktie\u017e podporovan\u00fd v Fuchsia.
\nPripom\u00edname, \u017ee v r\u00e1mci projektu Fuchsia vyv\u00edja spolo\u010dnos\u0165 Google univerz\u00e1lny opera\u010dn\u00fd syst\u00e9m, schopn\u00fd fungova\u0165 na ak\u00fdchko\u013evek typoch zariaden\u00ed, od pracovn\u00fdch stan\u00edc a smartf\u00f3nov a\u017e po zabudovan\u00fa a spotrebite\u013esk\u00fa techniku. V\u00fdvoj prebieha s oh\u013eadom na sk\u00fasenosti s vytvoren\u00edm platformy Android a zoh\u013ead\u0148uje nedostatky v oblasti \u0161k\u00e1lovate\u013enosti a zabezpe\u010denia.<\/p>\n

Syst\u00e9m je zalo\u017een\u00fd na mikrojadre <\/p>\n

Zircon , zalo\u017eenom na v\u00fdvoji projektu<\/a><\/noindex>LK , roz\u0161\u00edren\u00e9ho na pou\u017eitie na r\u00f4znych triedach zariaden\u00ed, vr\u00e1tane smartf\u00f3nov a osobn\u00fdch po\u010d\u00edta\u010dov. Zircon roz\u0161iruje LK podporou procesov a<\/a><\/noindex>zdie\u013ean\u00fdch kni\u017en\u00edc , \u00farov\u0148ou pou\u017e\u00edvate\u013ea, syst\u00e9mom spr\u00e1vy objektov a modelom zabezpe\u010denia na z\u00e1klade capability. Ovl\u00e1da\u010de<\/a><\/noindex>sa implementuj\u00fa realizuj\u00fa sa<\/a><\/noindex> vo forme dynamick\u00fdch kni\u017en\u00edc be\u017eiacich v u\u017e\u00edvate\u013eskom priestore, ktor\u00e9 sa na\u010d\u00edtavaj\u00fa procesom devhost a spravuj\u00fa ich zariaden\u00ed (devmg, Spr\u00e1vca zariaden\u00ed).<\/p>\n

Pre Fuchsia bol pripraven\u00fd<\/a><\/noindex> vlastn\u00fd grafick\u00e9 rozhranie<\/a><\/noindex>, nap\u00edsan\u00e9 v jazyku Dart s vyu\u017eit\u00edm r\u00e1mca Flutter. Projekt sa tie\u017e vyv\u00edja r\u00e1mec pre vytv\u00e1ranie pou\u017e\u00edvate\u013esk\u00fdch rozhran\u00ed Peridot, bal\u00edkov\u00fd mana\u017e\u00e9r Fargo, \u0161tandardn\u00e1 kni\u017enica libc<\/a><\/noindex>, renderovac\u00ed syst\u00e9m Escher<\/a><\/noindex>, Vulkan ovl\u00e1da\u010d Magma<\/a><\/noindex>, zlo\u017een\u00fd mana\u017e\u00e9r Scenic<\/a><\/noindex>, s\u00faborov\u00e9 syst\u00e9my MinFS, MemFS, ThinFS (FAT nap\u00edsan\u00fd v Go) a Blobfs, ako aj mana\u017e\u00e9r oddielov FVM. Pre v\u00fdvoj aplik\u00e1ci\u00ed sa poskytuje<\/a><\/noindex> podpora jazykov C\/C++, Dart, v syst\u00e9mov\u00fdch komponentoch je tie\u017e povolen\u00e9 pou\u017e\u00edvanie Rust, v sie\u0165ovom staku Go, a v syst\u00e9me zostavovania jazyk Python.<\/p>\n

\"Opera\u010dn\u00fd<\/a><\/noindex><\/center><\/p>\n

Po\u010das bootovania sa pou\u017e\u00edva<\/a><\/noindex> syst\u00e9mov\u00fd mana\u017e\u00e9r, ktor\u00fd zah\u0155\u0148a
\nappmgr na vytvorenie po\u010diato\u010dn\u00e9ho programov\u00e9ho prostredia, sysmgr na formovanie bootovacieho prostredia a basemgr na nastavenie pou\u017e\u00edvate\u013esk\u00e9ho prostredia a organiz\u00e1ciu prihlasovania do syst\u00e9mu. Pre kompatibilitu s Linuxom sa v Fuchsia pon\u00faka<\/a><\/noindex> kni\u017enicu Machina, ktor\u00e1 umo\u017e\u0148uje sp\u00fa\u0161\u0165a\u0165 Linuxov\u00e9 programy v \u0161peci\u00e1lnom izolovanom virtu\u00e1lnom stroji, ktor\u00fd je vytvoren\u00fd pomocou hyperv\u00edzora na b\u00e1ze jadra Zircon a \u0161pecifik\u00e1ci\u00ed Virtio, analogicky so sp\u00f4sobom, ako je organizovan\u00e9<\/a><\/noindex> sp\u00fa\u0161\u0165anie Linuxov\u00fdch aplik\u00e1ci\u00ed v Chrome OS. <\/p>\n

Pre zabezpe\u010denie sa pon\u00faka pokro\u010dil\u00fd syst\u00e9m sandbox izol\u00e1cie<\/a><\/noindex>, v ktorom nov\u00e9 procesy nemaj\u00fa pr\u00edstup k objektom jadra, nem\u00f4\u017eu alokova\u0165 pam\u00e4\u0165 a nem\u00f4\u017eu sp\u00fa\u0161\u0165a\u0165 k\u00f3d, a na pr\u00edstup k zdrojom sa pou\u017e\u00edva syst\u00e9m menov\u00fdch priestorov<\/a><\/noindex>, ktor\u00fd ur\u010duje dostupn\u00e9 opr\u00e1vnenia. Platforma poskytuje<\/a><\/noindex> r\u00e1mec na vytv\u00e1ranie komponentov, ktor\u00e9 s\u00fa programy sp\u00fa\u0161\u0165an\u00e9 vo vlastnom sandboxe, ktor\u00e9 m\u00f4\u017eu komunikova\u0165 s in\u00fdmi komponentmi cez IPC.<\/p>\n

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

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

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