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# | |
# carton exec hypnotoad -f inter.pl | |
# | |
# | |
use 5.20.0; | |
use Mojolicious::Lite; | |
use Mojo::JSON qw(decode_json encode_json); | |
use Mojo::Redis2; | |
plugin 'DefaultHelpers'; | |
app->config( hypnotoad => { | |
workers => 5, | |
# same as morbo | |
listen => ["http://*:3000"], | |
}); | |
helper mystash => sub { | |
state $stash = {}; | |
return $stash; | |
}; | |
helper log => sub { | |
state $LOG = Mojo::Log->new; | |
return $LOG; | |
}; | |
# errors are at odd indices | |
helper ioErr => sub { | |
my ($c, @arr) = @_; | |
# rethrow exception | |
die($arr[1]) if ref($arr[1]); | |
my $i = 0; | |
my $err = join "; ", | |
grep { $i++ %2 and $_ } @arr; | |
die({err => $err}) if $err; | |
}; | |
helper redis => sub { | |
my ($c) = @_; | |
state $redis; | |
return $redis if $redis; | |
$redis = Mojo::Redis2->new; | |
my $msgHandler = sub { | |
my ($msg) = @_; | |
# handle requests | |
if (my $request = $msg->{request}) { | |
$msg->{response} = delete $msg->{request}; | |
if ($request eq "getPID") { | |
$msg->{result} = $$; | |
} | |
return $msg if exists $msg->{result}; | |
} | |
# handle responses | |
elsif (my $response = $msg->{response}) { | |
if ($response eq "getPID") { | |
my $arr = $c->mystash->{ $response } ||= []; | |
push @$arr, $msg; | |
} | |
return; | |
} | |
# nothing to do.. | |
$c->log->warn("[$$] Don't understand ". $c->dumper($msg)); | |
return; | |
}; | |
my $redisEvents = { | |
# redis connection event | |
connection => sub { | |
my ($redis, $conn) = @_; | |
$c->log->info("[$$] Connected to redis! [$conn->{id}]"); # . $c->dumper($redis) | |
}, | |
# handle redis errors | |
error => sub { | |
my ($redis, $err) = @_; | |
$c->log->error($err); | |
}, | |
# incoming redis messages | |
message => sub { | |
my ($redis, $msg, $node) = @_; | |
$c->log->debug("Incoming redis message for node $node: $msg"); | |
my $resp = $msgHandler->(decode_json($msg)) or return; | |
$redis->publish($node, encode_json($resp), sub {}); | |
}, | |
}; | |
# | |
$redis->on($_ => $redisEvents->{$_}) for keys %$redisEvents; | |
$redis->subscribe(["WORKERS"], sub { | |
my ($self, $err, $res) = @_; | |
$c->log->error("error on redis subscribe: $err") if $err; | |
$c->log->debug("[$$] subscribed!") if !$err; | |
}); | |
return $redis; | |
}; | |
get '/__status' => sub { | |
my ($c) = @_; | |
my $req = {request => "getPID"}; | |
delete $c->mystash->{ $req->{request} }; | |
Mojo::IOLoop->delay( | |
sub { | |
my ($d, $err) = @_; | |
$c->redis->publish("WORKERS", encode_json($req), $d->begin); | |
Mojo::IOLoop->timer(1 => $d->begin); | |
}, | |
sub { | |
my ($d) = @_; | |
$c->ioErr(@_); | |
$c->render(json => { | |
me => $$, | |
report => delete $c->mystash->{ $req->{request} } | |
}); | |
# $c->$cb(undef, my $ok=1); | |
}, | |
) | |
# ->catch(sub{ $c->$cb($@) }) | |
; | |
}; | |
# force connect at startup | |
Mojo::IOLoop->timer(0 => sub{ | |
app->redis->backend->time; | |
}); | |
app->start; |
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