#!/usr/bin/perl -w
# hash
# Client:

use strict ;
use Socket ;
my $ok = 0 ;
# Define the door:
my $port =  7000 ;
# Define the host (IP number only):
my $host = 127.0.0.1 ;

sub welcome () {
print <<EOF
###################################################
#                 Connected                       #
#-------------------------------------------------#
#                 on server                       #
###################################################

 exit to logout...
EOF
}

while (1) {
my $sockaddr = sockaddr_in($port, $host) || die "sockaddr: $!";
my $proto = (getprotobyname('tcp')) || die "proto: $!";

socket(SO, AF_INET, SOCK_STREAM, $proto) || die "socket: $!";
connect(SO, $sockaddr) || die "connect: $!";
if ($? == 0) {
         $ok++ ;
        }
if ($ok == 1) {
&welcome () ;
        }
my $msg = <STDIN> ;
if ("$msg" eq "exit\n") {
        --$ok ;
        print "$ok commands are successfully executed on remote server
+\n" ;
        exit 0 ;
}
send(SO, "$msg", 1024,0);
while (<SO>) {
        print ;
        }
}
#EOF

[download]

In reply to Socket TCP by hash

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.