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| author | Franck Cuny <franckcuny@gmail.com> | 2016-08-04 11:45:44 -0700 |
|---|---|---|
| committer | Franck Cuny <franckcuny@gmail.com> | 2016-08-04 11:45:44 -0700 |
| commit | 585b48b6a605cb71ef99dd767880e1b7ee5bf24e (patch) | |
| tree | c65377350d12bd1e62e0bdd58458c1044541c27b /posts/2011-02-20-psgichrome.org | |
| parent | Use Bullet list for the index. (diff) | |
| parent | Mass convert all posts from markdown to org. (diff) | |
| download | lumberjaph-585b48b6a605cb71ef99dd767880e1b7ee5bf24e.tar.gz | |
Merge branch 'convert-to-org'
Diffstat (limited to 'posts/2011-02-20-psgichrome.org')
| -rw-r--r-- | posts/2011-02-20-psgichrome.org | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/posts/2011-02-20-psgichrome.org b/posts/2011-02-20-psgichrome.org new file mode 100644 index 0000000..8f4bb6a --- /dev/null +++ b/posts/2011-02-20-psgichrome.org @@ -0,0 +1,82 @@ +Earlier this month, I've read about this extension: +[[http://www.chromephp.com/][chromePHP]]. + +The principle of this extension is to allow you to log from your PHP +application to chrome. You may not be aware, but this is something you +already have with every web application if you're using Plack. And not +only for Chrome, but every webkit navigator, and Firefox too! + +Let's mimic their page. + +** Installation + +1. install + [[http://search.cpan.org/perldoc?Plack::Middleware::ConsoleLogger][Plack::Middleware::ConsoleLogger]] + with =cpanm Plack::Middleware::ConsoleLogger= +2. no step 2 +3. no step 3 +4. write a simple PSGI application and log + +#+BEGIN_SRC perl + use strict; + use warnings; + + use Plack::Builder; + + my $app = sub { + my $env = shift; + my $content = "<html><body>this is foo</body></html>"; + foreach my $k ( keys %$env ) { + if ( $k =~ /HTTP_/ ) { + $env->{'psgix.logger'}->({ + level => 'debug', + message => "$k => " . $env->{$k}, + }); + } + } + $env->{'psgix.logger'}->({ + level => 'warn', + message => 'this is a warning', + }); + $env->{'psgix.logger'}->({ + level => 'error', + message => 'this is an error', + }); + return [ 200, [ 'Content-Type' => 'text/html' ], [$content] ]; + }; + + builder { + enable "ConsoleLogger"; + $app; + } +#+END_SRC + +Load this application with plackup: =plackup chromeplack.pl= + +point your browser to http://localhost:5000, activate the javascript +console. + +If this works correctly, you should have a smiliar output in your +console: + +** Dancer + +I don't know for other framework, but you can also log to your browser +with [[http://perldancer.org/][Dancer]]. + +First, you need to install +[[http://search.cpan.org/perldoc?Dancer::Logger::PSGI][Dancer::Logger::PSGI]], +then, in your application, you need to edit the environment file. You'll +certainly want to change 'development.yml'. + +#+BEGIN_EXAMPLE + logger: "PSGI" + plack_middlewares: + - + - ConsoleLogger +#+END_EXAMPLE + +Now you can start your application (running in a Plack environment, of +course), and next time you'll use 'warning' or 'debug' or any other +keyword from Dancer::Logger, the message will end up in your javascript +console. |