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AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
AnyMQ, Hippie, and the real-time web
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AnyMQ, Hippie, and the real-time web

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  • 1. AnyMQ, Hippie and the real-time web OSDC.TW 2010 Taipei Chia-liang Kao clkao@clkao.org
  • 2. clkao
  • 3. Things I’ve been playing with
  • 4. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie:Pipe
  • 5. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie::Pipe
  • 6. Plack: Perl Web Superglue
  • 7. PSGI
  • 8. $env->{PATH_INFO} Plack::Request->new($env)->path_info $env [ '200', [ 'Content-Type' => 'text/plain' ], [ "Hello World" ], ]
  • 9. $env Streaming Interface sub { my $responder = shift; my $writer = $responder->([ '200', [ 'Content-Type' => 'text/plain' ]); # later, of in a callback $writer->write(“Hello world!”); $writer->close(); }
  • 10. CGI.pm MUST DIE! ☠! ☠! ☠
  • 11. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie::Pipe
  • 12. AnyEvent • event-driven programming, painless • compatible with many other event loops use AnyEvent::HTTP; http_get "http://osdc.tw/", sub { print $_[1] };
  • 13. Let’s try this in POE
  • 14. sub POE::Kernel::ASSERT_DEFAULT () { 1 } use HTTP::Request; use POE qw(Component::Client::HTTP); POE::Component::Client::HTTP->spawn(   Alias => 'ua', # defaults to 'weeble'   Timeout => 20, # defaults to 180 seconds ); POE::Session->create(   inline_states => {     _start => sub {       POE::Kernel->post(         'ua', # posts to the 'ua' alias         'request', # posts to ua's 'request' state         'response', # which of our states will receive the response         HTTP::Request->new(GET => “http://osdc.tw”),       );     },     _stop => sub {},     response => &response_handler,   }, ); POE::Kernel->run(); exit; sub response_handler {   my ($request_packet, $response_packet) = @_[ARG0, ARG1];   my $request_object = $request_packet->[0];   my $response_object = $response_packet->[0]; }
  • 15.
  • 16. use AnyEvent::HTTP; http_get "http://osdc.tw/", sub { print $_[1] }; ☺
  • 17. AnyEvent::* AnyEvent-AIO AnyEvent-APNS AnyEvent-Atom-Stream AnyEvent-BDB AnyEvent- Beanstalk AnyEvent-Connection AnyEvent-CouchDB AnyEvent-DBI AnyEvent-DBI- Abstract AnyEvent-EditText AnyEvent-FCGI AnyEvent-FCP AnyEvent-FIFO AnyEvent- FastPing AnyEvent-Feed AnyEvent-Filesys-Notify AnyEvent-FriendFeed-Realtime AnyEvent-GPSD AnyEvent-Gearman AnyEvent-Gearman AnyEvent-Gmail-Feed AnyEvent-HTTP AnyEvent-HTTP-MXHR AnyEvent-HTTPD AnyEvent-I3 AnyEvent-IRC AnyEvent-JSONRPC-Lite AnyEvent-Kanye AnyEvent-MP AnyEvent-MPRPC AnyEvent- Memcached AnyEvent-Mojo AnyEvent-Monitor-CPU AnyEvent-Pcap AnyEvent-Plurk AnyEvent-Postfix-Logs AnyEvent-RTPG AnyEvent-Redis AnyEvent-RetryTimer AnyEvent-ReverseHTTP AnyEvent-Riak AnyEvent-Run AnyEvent-SCGI AnyEvent-SMTP AnyEvent-SNMP AnyEvent-Subprocess AnyEvent-Superfeedr AnyEvent-Twitter AnyEvent-Twitter-Stream AnyEvent-Watchdog AnyEvent-Worker AnyEvent-XMLRPC AnyEvent-XMPP AnyEvent-mDNS
  • 18. AnyMQ • Inspired by Tatsumaki::MessageQueue • Refactored to support timeout handler, multiple subscription • Support binding to other message queues using moose traits • Available on CPAN and github
  • 19. AnyMQ my $bus = AnyMQ->new; my $topic = $bus->topic("Foo"); my $sub = $bus->new_listener($topic); $sub->poll(sub { my $msg = shift; }) $topic->publish($msg)
  • 20. AnyMQ with AMQP my $bus = AnyMQ->new_with_traits ( traits => [ ‘AMQP’], # host => ..., port => ..); my $topic = $bus->topic("Foo"); my $sub = $bus->new_listener($topic); $sub->poll(sub { my $msg = shift; }) $topic->publish($msg)
  • 21. Please help adding message queue bindings!
  • 22. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie::Pipe
  • 23. Comet The word comet came to English by way of the Latin word cometes. This word, in turn, came from the Greek word κόμη, which means "hair of the head". The Greek scientist and philosopher Aristotlefirst used the derived form of κόμη, κομήτης, to describe what he saw as "stars with hair." Theastronomical symbol for comets is (☄), consisting of a small disc with three hairlike extensions. • 2006, coined by Alex Russell • Server push for real time notification
  • 24. Widely used • gmail • plurk • facebook updates
  • 25. Lots of hacks! • multi-part XHR • forever iframe, with script callbacks • spinning “loading” indicator for FF and IE • number of connections limits
  • 26. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie::Pipe
  • 27. Websocket • HTML5 Websocket • Bidirectional communication ws = new WebSocket("ws://foo.com:5000”)); ws.onmessage = function(ev) { ... } ws.send(....); • Available in latest Chrome / Safari
  • 28. Putting Everything Together
  • 29. • PSGI, Plack • AnyEvent, AnyMQ, AMQP • Server-push, comet • Websocket • Web::Hippie, Web::Hippie::Pipe
  • 30. The Long Hair Web
  • 31. Hippie
  • 32. Hippie • Abstracts persistent connections: Websocket, MXHR Just a normal PSGI-app! enable "+Web::Hippie"; sub { my $env = shift; my $args = $env->{'hippie.args'}; my $handle = $env->{'hippie.handle'}; # Your handler based on PATH_INFO: # /init, /error, /message }
  • 33. Only Websocket and mxhr?
  • 34. Maybe Hippies should be more relaxed...
  • 35. To relax a hippie, we need.....
  • 36. Hippie::Pipe +
  • 37. Hippie::Pipe • Abstracts persistent bidirectional connections: Websocket, MXHR, poll enable "+Web::Hippie"; enable "+Web::Hippie::Pipe"; sub { my $env = shift; my $sub = $env->{'hippie.listener'}; my $bus = $env->{'hippie.bus'}; my $msg = $env->{'hippie.message'}; # Your handler based on PATH_INFO: # /init, /error, /message }
  • 38. Client side hpipe = new Hippie.Pipe(); $(hpipe) .bind(“ready”, function() { hpipe.send({type: ‘chat.join’, channel: ‘foo’, ident: ‘clkao’}) }) .bind(“disconnected”, function() {}) .bind(“message.chat.message”, function(e, data) {}); hpipe.init();
  • 39. DEMO
  • 40. Thank you!

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