I'm looking at building a mojo app that has a websocket *client* on a
timer that checks our nodejs app, and serves the results of those checks
via a url. But I'm having trouble getting the websocket client to work
inside a mojolicious app.
This script, when run as "perl mojo-test-short.pl eval", connects to the
nodejs server and says that $tx is what I expect "tx is
*Mojo::Transaction::WebSocket*=HASH(0x34c32d0)", so this is (I believe) the
behavior I want
-------------------------
use Mojolicious::Lite;
my $ua = Mojo::UserAgent->new;
$ua->websocket('ws://10.200.2.81:9083/socket.io/1/websocket/' => sub {
my $tx = pop;
say "tx is $tx";
});
Mojo::IOLoop->start;
---------------
But this approach inside a running mojolicious app says that $tx is a
*Mojo::Transaction::HTTP*, it never connects to the nodejs server (never
sends anything over the wire at all) and of course dies because that
package doesn't have an "on_finish" method
(in cleanup) Can't locate object method "on_finish" via package
"Mojo::Transaction::HTTP"
-----------------
sub startup {
...snip...
Mojo::IOLoop->recurring(3 => \&read_datastream);
}
sub read_datastream {
my $ua = Mojo::UserAgent->new;
$ua->websocket('ws://10.200.2.81:9083/socket.io/1/websocket/' => sub {
my $tx = pop;
say "tx is a $tx";
$tx->on_finish( sub { say "finished tx?" });
});
}
---------------------------
The pod for the websocket method in Mojo::UserAgent says
The callback will receive either a Mojo::Transaction::WebSocket *or*
Mojo::Transaction::HTTP
object.
but I don't understand *why* it can send back either one, or what I'm
supposed to do with a Mojo::Transaction::HTTP object if I get one. The
sample code in Mojo::UserAgent doesn't address that scenario at all.
Any suggestions would be hugely appreciated. Thanks!
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