Plack Handbook: Plack and PSGI Development guide ebook
Plack Handbook for Developers This little handbook is based on the content of the website Plack Advent Calendar. The calendar had 24 useful short posts explaining the concept of PSGI and tutorials how to adapt Plack to the existing web applications. The calendar was so successful and it's been considered a canonical reference for many beginners trying to learn Plack and also web framework authors
FindBin, __FILE__, $0 and PSGI woes
bulknews.typepad.com Tatsuhiko Miyagawa's blog to discuss mostly tech and nerdy stuff. tl;dr: Do not use if (__FILE__ eq $0) in your .psgi code, that's not supposed to work since Plack 0.9971. There's been a known issue in Starman and Plack based Perl web servers in general, where FindBin module used in your application doesn't return an expected value. To make things even worse with Starman, when
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GitHub - miyagawa/Tatsumaki: Plack-based nonblocking Web framework for IO-bound delayed response, server push (streaming) and long-poll comet
NAME Tatsumaki - Non-blocking web framework based on Plack and AnyEvent SYNOPSIS ### app.psgi use Tatsumaki::Error; use Tatsumaki::Application; use Tatsumaki::HTTPClient; use Tatsumaki::Server; package MainHandler; use parent qw(Tatsumaki::Handler); sub get { my $self = shift; $self->write("Hello World"); } package FeedHandler; use parent qw(Tatsumaki::Handler); __PACKAGE__->asynchronous(1); use J
PSGI/Plackã§éžåŒæœŸ Web Server - blog.nomadscafe.jp
PSGI/Plackã«ãŠã„ã¦ã€éžåŒæœŸã«ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãŒè¿”ã›ã‚‹streamingã¨ã„ã†ä»•æ§˜/機能ãŒè¿½åŠ ã•ã‚Œã¾ã—ãŸã€‚ PSGI/Plack streaming is now complete ã“れを使ã†ã¨ã€streamingをサãƒãƒ¼ãƒˆã—ãŸã‚µãƒ¼ãƒã‹ã‚‰éžåŒæœŸ/nonblockingã«httpã‚„Gearmanを利用ã—ã¦å¤–部ã¸å•ã„åˆã‚ã›ã‚’è¡Œã„ã€ãã®çµæžœã‚’レスãƒãƒ³ã‚¹ã—ãŸã‚Šã§ãã¾ã™ã€‚ ã¾ãŸã€ã“ã‚ŒãŒPlackã§æ—¢ã«å®Ÿè£…済ã¿ãªã®ã§ã€éžå¸¸ã«çŸã„コードã§ã‚µãƒ¼ãƒã®å®Ÿè£…ãŒã§ãã¡ã‚ƒã„ã¾ã™ã€‚ ã™ã°ã‚‰ã—ã„ã§ã™ã。 ã™ã§ã«miyagawaã•ã‚“ãŒã€ã“ã®æ©Ÿèƒ½ã‚’利用ã—ãŸéžåŒæœŸWeb Framework「Tatsumakiã€ã‚’書ã‹ã‚Œã¦ã„ã¾ã™ã€‚ イベントを扱ã†éƒ¨åˆ†ãŒéš 蔽ã•ã‚Œã¦ã„ã‚‹ã®ã§ã€ã“れを使ã†ã¨ã•ã‚‰ã«ç°¡å˜ã«å®Ÿè£…ã§ãã¾ã™ã€‚ ã™ã°ã‚‰ã—ã™ãる。 ã“ã“ã§ã¯ã€ç°¡å˜ã«å¤–部ã¸AnyEvent::HTTPを用ã„ã¦ã€HTTPリクエストを行ã†ã‚µãƒ³ãƒ—ルを書ã„
PSGI/Plack streaming is now complete
bulknews.typepad.com Tatsuhiko Miyagawa's blog to discuss mostly tech and nerdy stuff. In the last couple of (or even more :) days Yuval and I have been endlessly discussing what the asynchronous response API would look like in PSGI applications. And that was also becoming one of the most frequently asked questions on my side, since many people from AnyEvent, POE and perlbal (Danga::Socket) land a
CGI スクリプトã‹ã‚‰ Perl Web Server Gateway Interface (PSGI) ã§ã‚³ãƒ¼ãƒ‰ã‚’å‹•ã‹ã™ - Tociyuki::Diary
Perl Web Server Gateway Interface 仕様ã«é¦´æŸ“ã‚“ã§ã¿ã‚ˆã†ã¨ã€CGI スクリプトã‹ã‚‰ PSGI ã§ã‚³ãƒ¼ãƒ‰ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’呼ã³å‡ºã™ CGI::Joint を試ã—ã«ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ run クラスメソッドã«ã‚³ãƒ¼ãƒ‰ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’渡ã—ã¾ã™ã€‚run メソッドã¯æ¨™æº–入力ã€æ¨™æº–エラー出力ã€ç’°å¢ƒå¤‰æ•°ã‹ã‚‰ PSGI 互æ›ã®ãƒãƒƒã‚·ãƒ¥ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’作ã£ã¦ã€ã‚³ãƒ¼ãƒ‰ãƒ»ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’呼ã³å‡ºã—ã¾ã™ã€‚コード・リファレンスãŒè¿”ã™é…列リファレンスをãƒã‚§ãƒƒã‚¯ã—ã¦ã€ãƒ˜ãƒƒãƒ€ã¨ãƒœãƒ‡ã‚£ã‚’標準出力ã«æ›¸ã出ã—ã¾ã™ã€‚エラーを検出ã—ãŸã¨ãã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ã‚¹ã‚¿ãƒ¼ã‚¿ã‚¹ 500 ã§ãƒ–ランクåŒç„¶ã® html をブラウザã«è¿”ã—ã¾ã™ã€‚$CGI::Joint::FatalsToBrowser ãŒçœŸã®ã¨ãã¯ã€$EVAL_ERROR をブラウザã«è¿”ã—ã¾ã™ã€‚ 下ã®ã‚¹ã‚¯ãƒªãƒ—トを Apache ã® ExecCGI 属性ãŒã‚ªãƒ³ã«ãªã£ã¦
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