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Amon2::Plugin::Web::Streaming(3) User Contributed Perl Documentation Amon2::Plugin::Web::Streaming(3)

Amon2::Plugin::Web::Streaming - streaming support for Amon2

    use Amon2::Lite;

    __PACKAGE__->load_plugin(qw/Web::Streaming/);

    any '/poll' => sub {
        my $c = shift;
        return $c->streaming(sub {
            my $respond = shift;
            ...;
            $respond->write([200, [], ['OK']]);
        });
    };

    any '/poll_json' => sub {
        my $c = shift;
        return $c->streaming_json(sub {
            my $writer = shift;
            ...;
            $writer->write_json(+{ });
            $writer->close;
        });
    };

This is an Amon2 plugin to support streaming.

You MUST use the HTTP server supporting psgi.streaming.

$c->streaming($code);
You can return delayed response for PSGI spec.

Argument for $code is $respond. It's same as a argument for PSGI callback.

$c->streaming_json($code);
It's a short hand utility to publish streaming JSON.

The argument is instance of Amon2::Plugin::Web::Streaming::Writer.

new
Do not create the instance directly.
$writer->write_json($data)
Write a $data as JSON for the socket.
$writer->close()
Close the socket.

PSGI
2022-04-08 perl v5.32.1

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