package Tak::STDIOSetup;
use Log::Contextual qw(:log);
use Log::Contextual::SimpleLogger;
use Tak::ConnectionService;
use Tak::Router;
use Tak;
use IO::Handle;
use strictures 1;
sub run {
open my $stdin, '<&', \*STDIN or die "Duping stdin: $!";
open my $stdout, '>&', \*STDOUT or die "Duping stdout: $!";
$stdout->autoflush(1);
# if we don't re-open them then 0 and 1 get re-used - which is not
# only potentially bloody confusing but results in warnings like:
# "Filehandle STDOUT reopened as STDIN only for input"
close STDIN or die "Closing stdin: $!";
open STDIN, '<', '/dev/null' or die "Re-opening stdin: $!";
close STDOUT or die "Closing stdout: $!";
open STDOUT, '>', '/dev/null' or die "Re-opening stdout: $!";
my ($host, $level) = @ARGV;
my $sig = '<'.join ':', $host, $$.'> ';
Log::Contextual::set_logger(
Log::Contextual::SimpleLogger->new({
levels_upto => $level,
coderef => sub { print STDERR $sig, @_; }
})
);
my $done;
my $connection = Tak::ConnectionService->new(
read_fh => $stdin, write_fh => $stdout,
listening_service => Tak::Router->new,
on_close => sub { $done = 1 }
);
$connection->receiver->service->register_weak(remote => $connection);
$0 = 'tak-stdio-node';
log_debug { "Node starting" };
# Tell the other end that we've finished messing around with file
# descriptors and that it's therefore safe to start sending requests.
print $stdout "Ssyshere\n";
Tak->loop_until($done);
if (our $Next) { goto &$Next }
}
1;