fig17_07.pl

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig 17.7: fig17_07.pl
# TCP chat server.

use strict;
use warnings;
use IO::Socket;

my $port = 5833;

my $server = new IO::Socket::INET( 
   LocalPort => $port,
   Type => SOCK_STREAM,
   Listen => 10 )
      or die( "Cannot be a server on $port: $@\n" );

local $| = 1;

my $client = $server->accept();
my $response = <$client>;

chomp $response;
print( "From client: $response\n" );

while ( $response ne "q" ) {
   my $input = <STDIN>;
   print( $client "$input" );

   $response = <$client>;
   chomp( $response );
   print( "From client: $response\n" );
}

close ( $server ) or die( "Cannot end connection: $!" );

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