#!/usr/bin/perl

#
# weblogUpdatesPing
# version: 1.0
# date:    2001.11.12
# author:  Hans Kellner
# website: http://www.hanskellner.com/
#
#
# A Perl subroutine that pings the "rpc.pingomatic.com" server with a
# specified weblog name and url.
#
# Copyright (C) 2001 Hans Kellner.
#
# Note: Be sure to set the weblog name and url variables below.
#
# Specification: "http://www.xmlrpc.com/weblogsCom".
# Directory: "http://www.weblogs.com/"
#

#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

use IO::Socket qw(:DEFAULT :crlf);

# The name and url of your Weblog.
# For example:
#    $weblog_name = "Go Mountain Biking!";
#    $weblog_url  = "http://www.gomtb.com/";
$weblog_name = "";
$weblog_url  = "";

#
# Pings the "rpc.weblogs.com" server with a Weblog name and url.
# See the specification at "http://www.xmlrpc.com/weblogsCom".
#
# usage: weblogUpdatesPing( name, url );
#           name    A string containing a descriptive name of your weblog.
#           url     An url to your weblog.
#
# returns: A string formatted "(retcode) : message".
#           retcode A return code; 0 if success, otherwise not 0.
#           message A string message describing success or failure.
#
sub weblogUpdatesPing($$)
{
    my $name = shift;
    my $url  = shift;

    if ( !$name || !$url ) {
        return "(-1) : Invalid weblog name or url.  Please set both.";
    }

    my $ret = "(-1) : Unknown error.";   # holds our return value

    # This is the xml-rpc request
    my $pingStr =
        "<?xml version=\"1.0\"?>" .
        "<methodCall>" .
        "    <methodName>weblogUpdates.ping</methodName>" .
        "    <params>" .
        "        <param><value>$name</value></param>" .
        "        <param><value>$url</value></param>" .
        "    </params>" .
            "</methodCall>";

    # Connect to the weblogs server
    my $remote = IO::Socket::INET->new(
        Proto    => "tcp",
        PeerAddr => "rpc.pingomatic.com",
                                       PeerPort => "http(80)" );

    if ( $remote )
    {
        $remote->autoflush(1); # No buffering

        # Send the ping
        print $remote "POST /RPC2 HTTP/1.0$CRLF";
        print $remote "User-Agent: Greymatter weblogUpdatesPing tool$CRLF";
        print $remote "Host: rpc.pingomatic.com$CRLF";
        print $remote "Content-Type: text/xml$CRLF";
        print $remote "Content-length: " . length($pingStr) . "$CRLF$CRLF";
        print $remote $pingStr;

        # Read the response
        $sockResp = "";
        while ( <$remote> ) {
            $sockResp = $sockResp . $_;
        }

        close $remote; # Close the socket

        # The response is in XML.  Retrieve the return code and message.
        $retCode = $sockResp;
        $retMsg  = $sockResp;

        # Strip out the XML up to and after the flerror code.
        $retCode =~ s/.*<boolean>//si;
        $retCode =~ s/<\/boolean>.*//si;

        # Strip out the XML up to and after the message.
        $retMsg =~ s/.*<\/boolean>//si;
        $retMsg =~ s/.*<value>//si;
        $retMsg =~ s/<\/value>.*//si;

        $ret = "($retCode) : $retMsg";
    }
    else
    {
        $ret = "(-1) : Cannot connect to http daemon on 'rpc.pingomatic.com'";
    }

    return $ret;
}

print "Content-Type: text/html\n\n";
# Ping the server.
print "\nPinging rpc.pingomatic.com for weblog \"$weblog_name\" at \"$weblog_url\"\n\n";
$response = weblogUpdatesPing( $weblog_name, $weblog_url );
print "$response\n\n";