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11.29.2007 at 09:05PM PST, ID: 22992457
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Perl socket connect send and wait for 2 packet

Tags: perl, socket, send
Hello

I want a simple perl code example which will connect to an IP and port, sends a string packet like "Hello", then waits to receive 2 packets (without carriage return or line feed, I mean without enter), then it will send another packet like "bye" again.

I have a lot of codes but I cannot do it. I cannot wait for 2 message to receive. Please advice.

Thanks from now!
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Question Stats
Zone: Programming
Question Asked By: CSecurity
Solution Provided By: suhasbharadwaj
Participating Experts: 1
Solution Grade: B
Views: 51
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11.29.2007 at 09:40PM PST, ID: 20380106

Rank: Master

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11.29.2007 at 09:43PM PST, ID: 20380119

Rank: Master

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11.29.2007 at 10:06PM PST, ID: 20380189

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11.29.2007 at 10:32PM PST, ID: 20380257

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11.29.2007 at 09:40PM PST, ID: 20380106

Rank: Master

use IO::Socket;

    my $sock = IO::Socket::INET->new('some_server');
    $sock->read($data, 1024) until $sock->atmark;


for more details go through:
http://search.cpan.org/~gbarr/IO-1.2301/IO/Socket.pm
 
11.29.2007 at 09:43PM PST, ID: 20380119

Rank: Master

# Client Program
use IO::Socket::INET;
print ">> Client Program <<";

# Create a new socket
$MySocket=new IO::Socket::INET->new(PeerPort=>1234,Proto=>'udp',PeerAddr=>'localhost');

# Send messages
$def_msg="Enter message to send to server : ";
print "\n",$def_msg;
while($msg=<STDIN>)
{
    chomp $msg;
    if($msg ne '')
    {
        print "\nSending message '",$msg,"'";
        if($MySocket->send($msg))
        {
            print ".....<done>","\n";
            print $def_msg;
        }
    }
    else
    {
        # Send an empty message to server and exit
        $MySocket->send('');
        exit 1;
    }
}


#######################################

# Server Program
use IO::Socket::INET;
print ">> Server Program <<\n";

# Create a new socket
$MySocket=new IO::Socket::INET->new(LocalPort=>1234,Proto=>'udp');

# Keep receiving messages from client
$def_msg="\nReceiving message from client.....\n";
while(1)
{
    $MySocket->recv($text,128);
    if($text ne '')
    {
        print "\nReceived message '", $text,"'\n";
    }
    # If client message is empty exit
    else
    {
        print "Cilent has exited!";
        exit 1;
    }
}


reference: http://www.codetoad.com/perl_socket_programming.asp
Accepted Solution
 
11.29.2007 at 10:06PM PST, ID: 20380189
Thanks for your first comment, but it did not waited... Second example was irrelevant I think. there is nothing for waiting to receive a buffer, it's client and not server app
 
11.29.2007 at 10:32PM PST, ID: 20380257
Thanks I found it. I'm using recv.
 
 
20080236-EE-VQP-29 / EE_QW_2_20070628