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Man Pages


Manual Reference Pages  -  PLACK::HANDLER (3)

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NAME

Plack::Handler - Connects PSGI applications and Web servers

CONTENTS

SYNOPSIS



  package Plack::Handler::AwesomeWebServer;
  sub new {
      my($class, %opt) = @_;
      ...
      return $self;
  }

  sub run {
      my($self, $app) = @_;
      # launch the AwesomeWebServer and run $app in the loop
  }

  # then from command line
  plackup -s AwesomeWebServer -a app.psgi



DESCRIPTION

Plack::Handler defines an adapter (connector) interface to adapt plackup and Plack::Runner to various PSGI web servers, such as Apache2 for mod_perl and Standalone for HTTP::Server::PSGI.

It is an empty class, and as long as they implement the methods defined as an Server adapter interface, they do not need to inherit Plack::Handler.

If you write a new handler for existing web servers, I recommend you to include the full name of the server module after Plack::Handler prefix, like Plack::Handler::Net::Server::Coro if you write a handler for Net::Server::Coro. That way you’ll be using plackup command line option like:



  plackup -s Net::Server::Coro



that makes it easy to figure out which web server you’re going to use.

METHODS

new


  $server = FooBarServer->new(%args);



Creates a new adapter object. %args can take arbitrary parameters to configure server environments but common parameters are:
port Port number the server listens to.
host Address the server listens to. Set to undef to listen any interface.

run


  $server->run($app);



Starts the server process and when a request comes in, run the PSGI application passed in $app in the loop.

register_service


  $server->register_service($app);



Optional interface if your server should run in parallel with other event loop, particularly AnyEvent. This is the same as run but doesn’t run the main loop.

SEE ALSO

rackup
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perl v5.20.3 PLACK::HANDLER (3) 2015-06-03

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