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#!/usr/bin/perl
use strict;
use warnings;
use IO::Poll;
use IO::Socket::IP;
use Socket qw( SOCK_STREAM );
use Getopt::Long;
GetOptions(
'timeout=f' => \my $TIMEOUT,
) or exit 1;
my $host = shift @ARGV or die "Need HOST\n";
my $service = shift @ARGV or die "Need SERVICE\n";
my $socket = IO::Socket::IP->new(
PeerHost => $host,
PeerService => $service,
Type => SOCK_STREAM,
Timeout => $TIMEOUT,
) or die "Cannot connect to $host:$service - $@";
printf STDERR "Connected to %s:%s\n", $socket->peerhost_service;
my $poll = IO::Poll->new;
$poll->mask( \*STDIN => POLLIN );
$poll->mask( $socket => POLLIN );
while(1) {
$poll->poll( undef );
if( $poll->events( \*STDIN ) ) {
my $ret = STDIN->sysread( my $buffer, 8192 );
defined $ret or die "Cannot read STDIN - $!\n";
$ret or last;
$socket->syswrite( $buffer );
}
if( $poll->events( $socket ) ) {
my $ret = $socket->sysread( my $buffer, 8192 );
defined $ret or die "Cannot read socket - $!\n";
$ret or last;
STDOUT->syswrite( $buffer );
}
}