Beefy Boxes and Bandwidth Generously Provided by pair Networks
Perl Monk, Perl Meditation

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??

Just playing around with sockets (cause its fun) I worked up the following code. Its not better realy, just different, and doesn't count on send a specific amount of info each time, intead it uses ->say and ->getline to send whole lines of data. I had to use chomp a couple times and i'm wondering if that could be avoided, but here you have it.

#!/usr/bin/perl #server use strict; use warnings; use IO::Socket; $| = 1; my $nonblocking = 1; my $sock = new IO::Socket::INET( LocalHost => "localhost", LocalPort => 7890, Proto => "tcp", Listen => SOMAXCONN, Reuse => 1, Timeout => 20, ); if ($sock) { print "A socket created on LocalHost listening on LocalPort\n"; } else { die "Error - no listening socket created : $!"; } my $flush = 1; while (my ($new_sock,$c_addr) = $sock->accept()) { my ($client_port, $c_ip) = sockaddr_in($c_addr); my $client_ipnum = inet_ntoa($c_ip); my $client_host =gethostbyaddr($c_ip, AF_INET); print "Got a connection from: $client_host"," [$client_ipnum] \n"; print "Created new socket for reading or writing data to Client\n" +; $new_sock->blocking(1); my $buf; $buf = $new_sock->getline(); chomp($buf); print "Recieved 1 '$buf'\n"; $new_sock->say($buf); $buf = $new_sock->getline(); chomp($buf); print "Recieved 2 '$buf'\n"; $new_sock->say("12"); }
#!/usr/bin/perl #client use strict; use warnings; use IO::Socket; #To flush the buffer print statements $| = 1; my $sock = new IO::Socket::INET( PeerAddr => 'localhost', PeerPort => +7890, Proto => 'tcp'); if ($sock) { print "A tcp socket on localhost connected to 7890\n"; } else { die "Error: $!"; } my $buf = "1234567890"; $sock->say($buf); print "Sent '$buf'\n"; $buf = $sock->getline(); chomp($buf); print "Bytes 10 = '$buf'\n"; $sock->say("1"); $buf = $sock->getline(); chomp($buf); print "Bytes 2 = '$buf'\n";

Eric Hodges

In reply to Re^2: IO Socket buffer flushing by eric256
in thread IO Socket buffer flushing by baldeep8

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

  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or How to display code and escape characters are good places to start.
Log In?

What's my password?
Create A New User
Domain Nodelet?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others pondering the Monastery: (2)
As of 2023-09-27 05:09 GMT
Find Nodes?
    Voting Booth?

    No recent polls found