NAME

Dancer::Plugin::RPC - Configure endpoints for XMLRPC, JSONRPC and RESTRPC procedures

DESCRIPTION

This module contains plugins for Dancer: Dancer::Plugin::RPC::XMLRPC, Dancer::Plugin::RPC::JSONRPC and Dancer::Plugin::RPC::RESTRPC.

Dancer::Plugin::RPC::XMLRPC

This plugin exposes the new keyword xmlrpc that is followed by 2 arguments: the endpoint and the arguments to configure the xmlrpc-calls at this endpoint.

Dancer::Plugin::RPC::JSONRPC

This plugin exposes the new keyword jsonrpc that is followed by 2 arguments: the endpoint and the arguments to configure the jsonrpc-calls at this endpoint.

Dancer::Plugin::RPC::RESTRPC

This plugin exposes the new keyword restrpc that is followed by 2 arguments: the endpoint and the arguments to configure the restrpc-calls at this endpoint.

General arguments to xmlrpc/jsonrpc/restrpc

The dispatch table is build by endpoint.

publish => <config|pod|$coderef>

• publish => config

  The arguments argument should be empty for this publishing type.
  The dispatch table is build from the YAML-config:

        plugins:
            'RPC::XMLRPC':
                '/endpoint1':
                    'Module::Name1':
                        method1: sub1
                        method2: sub2
                    'Module::Name2':
                        method3: sub3
                '/endpoint2':
                    'Module::Name3':
                        method4: sub4

• publish => pod

  The arguments argument must be an Arrayref with module names. The POD-directive must be in the same file as the code!
  The dispatch table is build by parsing the POD for =for xmlrpc, =for jsonrpc or =for restrpc.

        =for xmlrpc <method_name> <sub_name>

• publish => $coderef

  The arguments argument should be empty for this publishing type.
  With this publishing type, you will need to build your own dispatch table and return it.

        use Dancer::RPCPlugin::DispatchItem;
        return {
            method1 => dispatch_item(
                package => 'Module::Name1',
                code => Module::Name1->can('sub1'),
            ),
            method2 => dispatch_item(
                package => 'Module::Name1',
                code    => Module::Name1->can('sub2'),
            ),
            method3 => dispatch_item(
                pacakage => 'Module::Name2',
                code     => Module::Name2->can('sub3'),
            ),
        };

arguments => $list

This argumument is needed for publishing type pod and must be a list of module names that contain the pod (and code).

callback => $coderef

The callback argument may contain a $coderef that does additional checks and should return a Dancer::RPCPlugin::CallbackResult object.

    $callback->($request, $method_name, @method_args);

Returns for success: callback_success()

Returns for failure: callback_fail(error_code => $code, error_message => $msg)

This is useful for eg ACL checking.

In the scope of the callback-function you will have the variable $Dancer::RPCPlugin::ROUTE_INFO, a hashref:

    local $Dancer::RPCPlugin::ROUTE_INFO = {
        plugin        => PLUGIN_NAME,
        endpoint      => $endpoint,
        rpc_method    => $method_name,
        full_path     => request->path,
        http_method   => $http_method,
    };

Other plugins may want to put extra information in there to help you decide if this request should even be honoured.

code_wrapper => $coderef

The code_wrapper argument can be used to wrap the code (from the dispatch table).

    my $wrapper = sub {
        my $code   = shift;
        my $pkg    = shift;
        my $method = shift;
        my $instance = $pkg->new();
        $instance->$code(@_);
    };

LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

See:

• http://www.perl.com/perl/misc/Artistic.html
• http://www.gnu.org/copyleft/gpl.html

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

COPYRIGHT

© MMXVI - Abe Timmerman abeltje@cpan.org