Asynchronous MySQL Queries in Perl Using DBD::mysql and AnyEvent | hoelzro [blogs.perl.org]
A lot of people use MySQL, and these days, asynchronous-style programming has really taken off. If you're involved in both of these camps, you may be wondering how to send a query to MySQL and have it inform your event loop when it's ready with the results of that query. A common solution is to use a thread or child process for each connection, and exchange data using IPC. However, if you're using
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AE::HTTP 㧠HTTP::Request ã‚’ãªã’ã‚‹ã«ã¯ - tokuhirom's blog
HTTP::Request ã‚’ã¤ã‹ã£ã¦å‘¼ã¶ã®ã¯ãã‚“ãªã«ã‚€ãšã‹ã—ã„話ã§ã¯ãªã„。ã¨ã„ã†ã€‚ãŸã¨ãˆã°ã€ä»¥ä¸‹ã®ã‚ˆã†ã«ã™ã‚Œã°ã€æ™®é€šã«ã‚ˆã¹ã‚‹ã€‚ sub http_request_by_http_request { my $cb = pop @_; my ($req, @args) = @_; my %headers; $req->headers->scan(sub { $headers{$_[0]} = $_[1]; }); http_request($req->method, $req->uri, body => $req->content, headers => \%headers, @args, $cb); } ↓ã®ã‚ˆã†ã«ã—ã¦ã‚‚ã„ã„ã‹ã‚‚。$req->headers ã®ã‚ãŸã‚ŠãŒã¡ã‚‡ã£ã¨ã‚¢ãƒ¤ã‚·ã‚¤ã‘ã©ã€‚ http_request($req->method, $req->uri, body => $req
IO::AIOãŠè©¦ã— : maaash.jp
Posted on 10月 22, 2009 Filed Under perl | AnyEvent/Coro期ãŒã‚ãŸã—ã«ã‚‚ã‚„ã£ã¦ãã¾ã—ãŸã‚ˆã€‚ ファイル書ãè¾¼ã¿ã‚’éžåŒæœŸã§ã‚„ã‚ŠãŸã„ã®ã§IO::AIO試ã—ã¦ã¿ã¾ã—ãŸã€‚ Coro::AIO使ãˆã°callbackå½¢å¼ã§ã¯ãªã綺麗ã«æ›¸ã‘るよã†ã ã‘ã‚Œã©ã¨ã‚Šã‚ãˆãšIO::AIOã®æ›¸ãæ–¹ã§ã€‚ çµæžœã¯ã€â†“ã¨ã‹ã£ã¦ãªã‚‹ã‹ã‚‰éžåŒæœŸçš„ãªæ„Ÿã˜ã ãªãã£ã¦ã„ã†ã®ã¯ã‚ã‹ã‚‹ã‚“ã§ã™ãŒã€ AnyEventã® $cv->send , $cv->recv ã‚’ã¨ã£ã±ã‚‰ã£ã¦ã‚‚åŒã˜ã‚ˆã†ã«å‹•ã。 ãªãœï¼Ÿ Event loop integrationã£ã¦ã„ã†ã®ã¯ãã‚ŒãŒç„¡ã„状態ã«å¯¾ã—ã¦ã€ä½•ã—ã¦ãれるã®ï¼Ÿ
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