I'm going to be sending a socket communications from one computer to another at specific times of the day (ie. 9am, 10am, etc..). I will use IO::Socket with some variation of the code below on the receiver end:
use IO::Socket;
my $socket = new IO::Socket::INET (
LocalHost => 'host',
LocalPort => 'portnumber',
Proto => 'tcp',
Listen => 1,
);
die "No socket" unless $socket;
my $connect= $sock->accept();
while($connect) {
print $_;
}
close($socket);
As I understand it, the above code will connect to a socket and print out the contents of the what the sender is sending.
My question is: Do I run this script continously using cron or how do I insure that I accept the socket once the sender sends it? Let's say that the sender initiates his socket sometime between 9 and 9:01. Do I have to repeatedly run the above script between those times in order to insure that I receive the socket? Is there a way to have a background process running that would automatically run my script and then accept the socket?
Thanks.
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