{"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\/hu\/blog\/news\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","title":{"rendered":"A Fuchsia OS tesztel\u00e9si szakaszba l\u00e9p a Google alkalmazottain\u00e1l","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google v\u00e1llalat v\u00e1ltoztat\u00e1sokat hajtott v\u00e9gre<\/a><\/noindex>, amelyek a oper\u00e1ci\u00f3s rendszer \u00e1tmenet\u00e9r\u0151l tan\u00faskodnak Fuchsia<\/a><\/noindex> a v\u00e9gs\u0151 bels\u0151 tesztel\u00e9si szakaszbadogfooding<\/a><\/noindex>, amely a term\u00e9k haszn\u00e1lat\u00e1t jelenti a munkat\u00e1rsak napi tev\u00e9kenys\u00e9g\u00e9ben, miel\u0151tt azt a v\u00e9gfelhaszn\u00e1l\u00f3khoz eljuttatj\u00e1k. A megadott szakaszban a term\u00e9k van<\/a><\/noindex> olyan \u00e1llapotban van, amely m\u00e1r \u00e1tesett a min\u0151s\u00e9g\u00e9rt\u00e9kel\u00e9si csapatok f\u0151 tesztel\u00e9s\u00e9n. Miel\u0151tt a term\u00e9ket sz\u00e9les k\u00f6rben forgalmazz\u00e1k, tov\u00e1bbi v\u00e9gs\u0151 ellen\u0151rz\u00e9st v\u00e9geznek a fejleszt\u00e9sben nem r\u00e9szt vev\u0151 munkav\u00e1llal\u00f3ikon.<\/p>\n

A friss\u00edt\u00e9sek kezel\u00e9s\u00e9re vonatkoz\u00f3 rendszerben, Omaha<\/a><\/noindex>, amelyben a Chrome \u00e9s Chrome OS kiad\u00e1sok tesztel\u00e9se zajlik, hozz\u00e1adva<\/a><\/noindex> a fuchsia.cobalt.SystemDataUpdater komponens, \u00e9s \u00fatmutat\u00f3t k\u00edn\u00e1l az eszk\u00f6z\u00f6k \u00faj «dogfood-release» \u00e1gba t\u00f6rt\u00e9n\u0151 \u00e1tvitel\u00e9re az eszk\u00f6zk\u00e9sz\u00edt\u0151 alkalmaz\u00e1s seg\u00edts\u00e9g\u00e9vel fx<\/a><\/noindex> (a Fuchsia-hoz hasonl\u00f3 adb). A folyamatos integr\u00e1ci\u00f3s rendszerben hozz\u00e1adva<\/a><\/noindex> a dogfood \u00e1ghoz val\u00f3 bootloader \u00f6sszegy\u0171jt\u00e9se, m\u00edg a Fuchsia platformhoz beleker\u00fcltek<\/a><\/noindex> k\u00fcl\u00f6nb\u00f6z\u0151 metrik\u00e1k \u00e1llnak rendelkez\u00e9sre a tesztel\u00e9si eredm\u00e9nyek \u00e9rt\u00e9kel\u00e9s\u00e9re.<\/p>\n

A Fuchs\u00e1ban t\u00f6rt\u00e9nt v\u00e1ltoztat\u00e1sok megjegyz\u00e9seiben eml\u00edtve vannak<\/a><\/noindex> k\u00e9t hivatkoz\u00e1s a fuchsia-updates.googleusercontent.com \u00e9s az arm64.dogfood-release.astro.fuchsia.com friss\u00edt\u00e9sekhez, a m\u00e1sodik hivatkoz\u00e1sn\u00e1l az Astro a okos k\u00e9perny\u0151 k\u00f3dneve, Google Nest Hub<\/a><\/noindex>, amely, \u00fagy t\u0171nik, hogy a Google munkav\u00e1llal\u00f3i protot\u00edpusk\u00e9nt haszn\u00e1lj\u00e1k a tesztel\u00e9shez
\na Fuchsia a Cast Platform szok\u00e1sos firmware-je helyett. A Nest Hub fel\u00fclete a Dragonglass alkalmaz\u00e1sra \u00e9p\u00fcl, amely a Flutter keretrendszert haszn\u00e1lja, amit szint\u00e9n t\u00e1mogat a Fuchsia.<\/p>\n

Eml\u00e9keztet\u00fcnk arra, hogy a Fuchsia projekt keret\u00e9ben a Google egy univerz\u00e1lis oper\u00e1ci\u00f3s rendszert fejleszt, amely b\u00e1rmilyen t\u00edpus\u00fa eszk\u00f6z\u00f6n m\u0171k\u00f6dhet, az asztali g\u00e9pekt\u0151l \u00e9s okostelefonokt\u00f3l kezdve az be\u00e1gyazott \u00e9s fogyaszt\u00f3i elektronikai term\u00e9kekig. A fejleszt\u00e9s a Android platform tapasztalataira \u00e9p\u00fcl, figyelembe v\u00e9ve a sk\u00e1l\u00e1zhat\u00f3s\u00e1g \u00e9s a biztons\u00e1g ter\u00e9n jelentkez\u0151 hi\u00e1nyoss\u00e1gokat. <\/p>\n

A rendszer mikrokernelen alapul Zircon<\/a><\/noindex>, amely a projekt munk\u00e1j\u00e1n alapul LK<\/a><\/noindex>, amelyet k\u00fcl\u00f6nb\u00f6z\u0151 oszt\u00e1ly\u00fa eszk\u00f6z\u00f6kh\u00f6z, bele\u00e9rtve az okostelefonokat \u00e9s a szem\u00e9lyi sz\u00e1m\u00edt\u00f3g\u00e9peket, val\u00f3 alkalmaz\u00e1sra terveztek. A Zircon kiterjeszti az LK-t a folyamatok \u00e9s megosztott k\u00f6nyvt\u00e1rak t\u00e1mogat\u00e1s\u00e1val,<\/a><\/noindex>felhaszn\u00e1l\u00f3i szinttel, objektumfeldolgoz\u00f3 rendszerrel \u00e9s a capability alap\u00fa biztons\u00e1gi modellt alkalmazva. A meghajt\u00f3k megval\u00f3s\u00edtva vannak<\/a><\/noindex> a felhaszn\u00e1l\u00f3i t\u00e9rben m\u0171k\u00f6d\u0151 dinamikus k\u00f6nyvt\u00e1rak form\u00e1j\u00e1ban, amelyeket a devhost folyamat t\u00f6lt be \u00e9s az eszk\u00f6zkezel\u0151 (devmg, Device Manager) ir\u00e1ny\u00edt.<\/p>\n

A Fuchsia sz\u00e1m\u00e1ra elk\u00e9sz\u00edtett<\/a><\/noindex> saj\u00e1t grafikus felhaszn\u00e1l\u00f3i fel\u00fclet<\/a><\/noindex>, amely Dart nyelven \u00edr\u00f3dott a Flutter keretrendszer haszn\u00e1lat\u00e1val. A projekt keret\u00e9ben fejl\u0151dik a Peridot felhaszn\u00e1l\u00f3i fel\u00fclet-\u00e9p\u00edt\u0151 keretrendszer, a Fargo csomagkezel\u0151, a standard k\u00f6nyvt\u00e1r libc<\/a><\/noindex>, renderel\u0151 rendszer Escher<\/a><\/noindex>, Vulkan-illeszt\u0151program Magma<\/a><\/noindex>, \u00f6sszes\u00edt\u0151 menedzser Scenic<\/a><\/noindex>, f\u00e1jlrendszerek MinFS, MemFS, ThinFS (Go nyelv\u0171 FAT) \u00e9s Blobfs, valamint a FVM part\u00edci\u00f3kezel\u0151. Az alkalmaz\u00e1sok fejleszt\u00e9s\u00e9hez t\u00e1mogat\u00e1s ny\u00fajt\u00e1s\u00e1ra<\/a><\/noindex> C\/C++, Dart nyelvek, a rendszerkomponensekben pedig Rust haszn\u00e1lata is megengedett, a h\u00e1l\u00f3zati veremben Go, a build rendszerben Python nyelv.<\/p>\n

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

A rendszerbet\u00f6lt\u00e9si folyamat sor\u00e1n haszn\u00e1lj\u00e1k<\/a><\/noindex> a rendszerkezel\u0151 mag\u00e1ba foglalja
\naz appmgr-t az alapvet\u0151 programk\u00f6rnyezet l\u00e9trehoz\u00e1s\u00e1hoz, a sysmgr-t a bet\u00f6lt\u00e9si k\u00f6rnyezet l\u00e9trehoz\u00e1s\u00e1hoz \u00e9s a basemgr-t a felhaszn\u00e1l\u00f3i k\u00f6rnyezet be\u00e1ll\u00edt\u00e1s\u00e1hoz \u00e9s a bejelentkez\u00e9s megszervez\u00e9s\u00e9hez. A Linux-kompatibilit\u00e1s \u00e9rdek\u00e9ben a Fuchsia aj\u00e1nlott<\/a><\/noindex> Machina k\u00f6nyvt\u00e1rat biztos\u00edt, amely lehet\u0151v\u00e9 teszi Linux-alkalmaz\u00e1sok futtat\u00e1s\u00e1t egy k\u00fcl\u00f6n izol\u00e1lt virtu\u00e1lis g\u00e9pben, amelyet a Zircon kernel alap\u00fa hypervisor \u00e9s a Virtio specifik\u00e1ci\u00f3k seg\u00edts\u00e9g\u00e9vel hoznak l\u00e9tre, hasonl\u00f3an ahhoz, ahogyan a Linux-alkalmaz\u00e1sok fut\u00e1sa<\/a><\/noindex> szervez\u0151dik a Chrome OS-en. <\/p>\n

A biztons\u00e1g \u00e9rdek\u00e9ben egy fejlett sandbox-izol\u00e1ci\u00f3s rendszert k\u00edn\u00e1lnak<\/a><\/noindex>, amelyben az \u00faj folyamatok nem f\u00e9rnek hozz\u00e1 a kernel objektumokhoz, nem tudnak mem\u00f3ri\u00e1t foglalni \u00e9s nem tudnak k\u00f3dot futtatni, a forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9shez pedig a n\u00e9vt\u00e9r rendszer\u00e9t<\/a><\/noindex>, amely meghat\u00e1rozza a rendelkez\u00e9sre \u00e1ll\u00f3 jogosults\u00e1gokat. A platform biztos\u00edt<\/a><\/noindex> keretrendszer a komponensek l\u00e9trehoz\u00e1s\u00e1hoz, amelyek programokk\u00e9nt futnak a saj\u00e1t sandboxjukban, \u00e9s IPC-n kereszt\u00fcl l\u00e9phetnek interakci\u00f3ba m\u00e1s komponensekkel.<\/p>\n

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

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0432\u043d\u0435\u0441\u043b\u0430 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u0438\u0434\u0435\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043e \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Fuchsia \u043d\u0430 \u0441\u0442\u0430\u0434\u0438\u044e \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u043d\u0438\u044f «dogfooding«, \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u044e\u0449\u0443\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 \u0432 \u043f\u043e\u0432\u0441\u0435\u0434\u043d\u0435\u0432\u043d\u043e\u0439 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