Hello:
Can anyone explain to me why this is a bad idea, or a better way of going
about this?
My problem: I have to call 10 REST services sequentially before rendering a
page. These calls in total take between 10 seconds to over a minute to
return. (Corporate IT "Stuff". I don't control the REST services I'm
calling). Using callbacks gets messy real quick for our problem. I've
played with Mojo::IOLoop::Delay, but it also seems less then ideal for our
problem.
So I've been looking at how to wrap the user agent in a away that blocks my
response but lets the event loop run. See below. I started with AnyEvent
conditional variables, but was able to recreate the same idea without it.
It has the intended effect. I can make several long running web calls in a
row that would normally block the entire event loop, and morbo will keep
responding to other requests.
Input appreciated.
Thanks,
-Tripp
sub get2 {
my $self = shift;
my @args = @_;
my $done = 0;
my @results;
my $ua = Mojo::UserAgent->new();
$ua->get(@args => sub {
$done = 1;
push(@results, @_);
});
Mojo::IOLoop->singleton->one_tick until $done; # Let the IOLoop run other
things until our web call is done
return @results; # return the results
}
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