Created
September 22, 2012 00:47
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pub/sub with mojolicious, redis, & websockets.
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| #!/usr/bin/env perl | |
| use Mojolicious::Lite; | |
| use common::sense; | |
| use Mojo::JSON; | |
| my $json = Mojo::JSON->new(); | |
| use Mojo::Redis; | |
| use Protocol::Redis::XS; | |
| get '/' => sub{ | |
| my $self = shift; | |
| $self->render(template=>'ws_page') | |
| }; | |
| get '/pub' => sub{ | |
| my $pubsub = Mojo::Redis->new; | |
| $pubsub->publish(g => 'foo',sub{$pubsub}); | |
| shift->render(text=>'published') | |
| }; | |
| # This action will render a template | |
| websocket '/ws' => sub { | |
| my $self = shift; | |
| my $ws = $self->tx; | |
| $ws->send('hello'); | |
| my $pubsub = Mojo::Redis->new; | |
| $pubsub->protocol_redis("Protocol::Redis::XS"); | |
| $pubsub->timeout(180); | |
| $self->stash(pubsub_redis => $pubsub); | |
| $pubsub->subscribe('g' => sub{ | |
| my ($redis, $event) = @_; | |
| $ws->send($event->[0]); | |
| say @$event; | |
| }); | |
| $self->on(message => sub { | |
| my ($ws, $msg) = @_; | |
| }); | |
| $self->on(finish => sub { | |
| my $ws = shift; | |
| say 'WebSocket closed.'; | |
| }); | |
| Mojo::IOLoop->recurring(10 => sub{ | |
| $ws->send('hello'); | |
| }); | |
| }; | |
| my $port = 7473; | |
| app->start('daemon', '--listen' => "http://*:$port"); | |
| __DATA__ | |
| @@ws_page.html.ep | |
| <!DOCTYPE html> | |
| <html><head> | |
| <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js" type="text/javascript"></script> | |
| </head><body> | |
| <h1>websocket.</h1> | |
| <div id='msgs'> </div> | |
| <script type="text/javascript"> | |
| var conn; | |
| $(document).ready(function(){ | |
| conn = new WebSocket('ws://127.0.0.1:7473/ws'); | |
| conn.onmessage = function (event) { | |
| $('#msgs').append('msg: '+event.data +"<br />"); | |
| }; | |
| conn.onopen = function () { | |
| $('#msgs').append("connected.\n"); | |
| }; | |
| conn.onclose = function () { | |
| $('#msgs').append("closed.\n"); | |
| }; | |
| }); | |
| </script> | |
| <a href="/pub">pub</a> | |
| </body></html> |
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Mojo::Redis is suppose to be MojoX::Redis