Hello,
In my test application (https://github.com/john-/mojo_inotifier) I am
able to have a websocket client receive notifications when a file is
added to a directory.
In order to get this to work I had to define my callback (n the route)
with "our":
our $cb = $watcher->watch(
sub {
my $payload = shift;
$payload->{url} = $c->app->defaults->{audio_url};
$c = $c->send( { json => encode_json($payload) } );
}
);
If I define it with "my" then scope rules cause the variable (and
therefore callback) to be lost.
What confuses me is that I was previously using Mojo::Pg::PubSub and
this works:
my $cb = $c->pubsub->listen(msg => sub {
my ($pubsub, $payload) = @_;
my $msg = decode_json($payload);
$c = $c->send( { json => $msg } );
app->log->debug("item to let client know about (pubsub): $msg->{type}");
});
Why does "my" work in this case but not in the other? It is not clear
to me in reviewing Pg::PubSub code that there is anything different that
would explain this.
John
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