{"id":38135,"date":"2019-10-31T22:21:51","date_gmt":"2019-10-31T19:21:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/varlink-interfejs-yadra\/"},"modified":"2019-10-31T22:21:51","modified_gmt":"2019-10-31T19:21:51","slug":"varlink-interfejs-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/varlink-interfejs-yadra","title":{"rendered":"Varlink \u2014 Kernschnittstelle","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Varlink \u2013 ist eine Schnittstelle f\u00fcr das Kernsystem und ein Protokoll, das sowohl f\u00fcr Menschen als auch f\u00fcr Maschinen leicht verst\u00e4ndlich ist.<\/p>\n

<\/p>\n

Benutzeroberfl\u00e4che<\/strong><\/a> Varlink kombiniert klassische UNIX-Befehlszeilenparameter, Textformate f\u00fcr STDIN\/OUT\/ERROR, Handbuchseiten, Metadaten und ist gleichwertig mit dem Dateideskriptor FD3. Varlink verf\u00fcgbar<\/a> aus jeder Programmiersprache.<\/p>\n

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

Die Varlink-Schnittstelle definiert<\/a>, welche Methoden implementiert werden und wie. Jede Methode hat einen Namen sowie definierte Eingabe- und Ausgabeparameter.<\/p>\n

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

Es besteht die M\u00f6glichkeit, durch das Hinzuf\u00fcgen von Kommentaren vor dem zu dokumentierenden Codeabschnitt zu dokumentieren.<\/p>\n

<\/p>\n

Im Protokoll<\/strong><\/a> Alle Nachrichten im Varlink werden als JSON-Objekte kodiert und enden mit einem NUL-Zeichen.<\/p>\n

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

Der Dienst beantwortet Anfragen in der gleichen Reihenfolge, in der sie empfangen wurden \u2013 Nachrichten werden niemals multiplexiert. Dennoch k\u00f6nnen mehrere Anfragen in einer Verbindung in eine Warteschlange gestellt werden, um eine pipelined Verarbeitung zu erm\u00f6glichen.<\/p>\n

<\/p>\n

Ein h\u00e4ufiges Szenario ist der einfache Methodenaufruf mit einer einzigen Antwort. In einigen anderen F\u00e4llen kann der Server m\u00f6glicherweise nicht antworten oder mehrere Antworten auf einen Aufruf geben. Eine detailliertere Beschreibung hier<\/a>.<\/p>\n

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

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

Varlink – \u044d\u0442\u043e \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u044f\u0434\u0440\u0430 \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0443\u0434\u043e\u0431\u0435\u043d \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u043a\u0430\u043a \u043b\u044e\u0434\u044c\u043c\u0438, \u0442\u0430\u043a \u0438 \u043c\u0430\u0448\u0438\u043d\u0430\u043c\u0438. \u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Varlink \u0441\u043e\u0447\u0435\u0442\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u0435 \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 UNIX, \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u044b\u0435 \u0444\u043e\u0440\u043c\u0430\u0442\u044b STDIN\/OUT\/ERROR, \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0441\u043f\u0440\u0430\u0432\u043e\u0447\u043d\u043e\u0433\u043e \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0430, \u0441\u043b\u0443\u0436\u0435\u0431\u043d\u044b\u0435 \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u0435 \u0438 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0435\u043d \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u043c\u0443 \u0434\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440\u0443 FD3. Varlink \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0438\u0437 \u043b\u044e\u0431\u043e\u0439 \u0441\u0440\u0435\u0434\u044b \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 Varlink \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442, \u043a\u0430\u043a\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u044b \u0431\u0443\u0434\u0443\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b \u0438 \u043a\u0430\u043a. \u041a\u0430\u0436\u0434\u044b\u0439 […]<\/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-38135","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Varlink \u2014 Kernschnittstelle | ProHoster","description":"Varlink ist eine Kernschnittstelle und ein Protokoll, das sowohl f\u00fcr Menschen als auch f\u00fcr Maschinen leicht lesbar ist. 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