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Manual Reference Pages  -  FEERSUM::CONNECTION (3)

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Feersum::Connection - HTTP connection encapsulation



For a streaming response:

    Feersum->endjinn->request_handler(sub {
        my $req = shift; # this is a Feersum::Connection object
        my $env = $req->env();
        my $w = $req->start_streaming(200, [Content-Type => text/plain]);
        # then immediately or after some time:
        $w->write("Ergrates ");

For a response with a Content-Length header:

    Feersum->endjinn->request_handler(sub {
        my $req = shift; # this is a Feersum::Connection object
        my $env = $req->env();
        $req->start_whole_response(200, [Content-Type => text/plain]);
        $req->write_whole_body(\"Ergrates FTW.");


Encapsulates an HTTP connection to Feersum. It’s roughly analagous to an Apache::Request or Apache2::Connection object, but differs significantly in functionality.

Until Keep-Alive functionality is supported (if ever) this means that a connection is <B>alsoB> a request.

See Feersum for more examples on usage.


my $env = $req->env() Obtain an environment hash. This hash contains the same entries as for a PSGI handler environment hash. See Feersum for details on the contents.

This is a method instead of a parameter so that future versions of Feersum can request a slice of the hash for speed.

my $w = $req->start_streaming($code, \@headers) A full HTTP header section is sent with Transfer-Encoding: chunked (or Connection: close for HTTP/1.0 clients).

Returns a Feersum::Connection::Writer handle which should be used to complete the response. See Feersum::Connection::Handle for methods.

$req->send_response($code, \@headers, $body)
$req->send_response($code, \@headers, \@body) Respond with a full HTTP header (including Content-Length) and body.

Returns the number of bytes calculated for the body.

$req->force_http11 Force the response to use HTTP/1.0 or HTTP/1.1, respectively.

Normally, if the request was made with 1.1 then Feersum uses HTTP/1.1 for the response, otherwise HTTP/1.0 is used (this includes requests made with the HTTP 0.9 non-declaration).

For streaming under HTTP/1.1 Transfer-Encoding: chunked is used, otherwise a Connection: close stream-style is used (with the usual non-guarantees about delivery). You may know about certain user-agents that support/don’t-support T-E:chunked, so this is how you can override that.

Supposedly clients and a lot of proxies support the Connection: close stream-style, see support in Varnish at

$req->fileno The socket file-descriptor number for this connection.
$req->response_guard($guard) Register a guard to be triggered when the response is completely sent and the socket is closed. A guard in this context is some object that will do something interesting in its DESTROY/DEMOLISH method. For example, Guard.


Jeremy Stashewsky,


Copyright (C) 2010 by Jeremy Stashewsky & Socialtext Inc.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.7 or, at your option, any later version of Perl 5 you may have available.

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perl v5.20.3 FEERSUM::CONNECTION (3) 2015-08-12

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