November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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14.12. Implementacja klienta BitTorrent
Problem
Chcemy napisać skrypt w języku Ruby, który pobiera lub udostępnia duże pliki za pomocą protokołu BitTorrent.
Rozwiązanie
Zewnętrzna biblioteka RubyTorrent implementuje protokół BitTorrent, który można wykorzystywać do pisania klientów BitTorrent. W pakiecie RubyTorrent nie ma pliku setup.rb, zatem trzeba ręcznie skopiować pliki do katalogu klas języka Ruby bądź dołączyć je do plików aplikacji.
Klasa BitTorrent działa tak jak klient BitTorrent, aby zatem pobrać plik .torrent, trzeba podać jego adres URL. W poniższym kodzie następuje pobieranie do bieżącego katalogu roboczego klasycznego horroru Noc żywych trupów:
require 'rubytorrent' file = 'http://publicdomaintorrents.com/bt/btdownload.php?type=torrent' ...
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