LWP::UserAgent::POE Drop-in LWP::UserAgent replacement in POE environments
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Perl module perl Poe POE environments

LWP::UserAgent::POE Description

Drop-in LWP::UserAgent replacement in POE environments LWP::UserAgent::POE is a Perl subclass of LWP::UserAgent and works well in a POE environment. It is a drop-in replacement for LWP::UserAgent in systems that are already using LWP::UserAgent synchronously and want to play nicely with POE.The problem: LWP::UserAgent by itself is synchronous and blocks on requests until the response from the network trickles in. This is unacceptable in POE, as the POE kernel needs to continue processing other tasks until the HTTP response arrives.LWP::UserAgent::POE to the rescue. Its request() method and all related methods like get(), post() etc. work just like in the original. But if you peek under the hood, they're sending a request to a running POE::Component::Client::HTTP component and return a valid $response object when a response from the network is available. Although the program flow seems to be blocked, it's not. LWP::UserAgent::POE works the magic behind the scenes to keep the POE kernel ticking and process other tasks.The net effect is that you can use LWP::UserAgent::POE just like LWP::UserAgent in a seemingly synchronous way.Note that this module is not a POE component. Instead, it is a subclass of LWP::UserAgent. It is self-contained, it even spawns the POE::Component::Client::HTTP component in its constructor unless there's one already running that has been started by another instance.SYNOPSIS use LWP::UserAgent::POE; my $ua = LWP::UserAgent::POE->new(); # The following command looks (and behaves) like it's blocking, # but it actually keeps the POE kernel ticking and processing # other tasks. post() and request() work as well. my $resp = $ua->get( "http://www.yahoo.com" ); if($resp->is_success()) { print $resp->content(); } else { print "Error: ", $resp->message(), "\n"; } POE::Kernel->run(); Requirements: · Perl

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