I want to output my log via websocket using File::Tail.
Below is my code:
use Mojolicious::Lite;
use Mojo::EventEmitter;
use File::Tail;
helper events => sub { state $events = Mojo::EventEmitter->new };
get '/' => 'log';
websocket '/ws' => sub {
my $c = shift;
app->log->info(sprintf 'Client connected: %s', $c->tx);
$c->inactivity_timeout(3600);
my $file = File::Tail->new(name => '/home/pavel/test.txt', maxinterval =>
1, adjustafter => 7);
while (defined(my $line=$file->read)) {
$c->send({json => $line});
}
};
app->start;
__DATA__
@@ log.html.ep
<div id="log"></div>
<script>
var ws = new WebSocket('<%= url_for('ws')->to_abs %>');
ws.onmessage = function (e) {
document.getElementById('log').innerHTML += '<p>' + e.data + '</p>';
};
function sendChat(input) { ws.send(input.value); input.value = '' }
</script>
When I do
*echo "test" >> /home/pavel/test.txt*
Nothing happened, "test" message isn't showing on webpage. Moreover I can't
refresh the page. I don't know why but I think that it's because of while
(defined(my $line=$file->read)) { act like an infinite loop and can't
properly interact with non-blocking mojolicious nature.
How to make app working?
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