<?php
# $Id: mod_monitorCapabilities_write.php 76 2006-08-15 12:25:34Z heuser $
# http://www.mapbender.org/index.php/Monitor_Capabilities
# Copyright (C) 2002 CCGIS 
#
# 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, 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.
//require_once(dirname(__FILE__)."/../php/mb_validateSession.php");

require_once(dirname(__FILE__)."/../classes/class_wms.php");
require_once(dirname(__FILE__)."/../../conf/mapbender.conf");
session_start();
import_request_variables("PG");

$con = db_connect($DBSERVER,$OWNER,$PW);
db_select_db(DB,$con);

if ($_SERVER["argc"] != 4) {
	echo "Insufficient arguments! Monitoring aborted.";
	die();
}

$wmsId = $_SERVER["argv"][1];
$upload_id = $_SERVER["argv"][2];
$auto_update = intval($_SERVER["argv"][3]);

// get the uploadURL
$sql = "SELECT upload_url FROM mb_monitor WHERE fkey_wms_id = $1 AND upload_id = $2";
$v = array($wmsId, $upload_id);
$t = array('i', 's');
$res = db_prep_query($sql,$v,$t);
$someArray = db_fetch_row($res);
$myURL = $someArray[0];

// get the capabilities doc
$sql = "SELECT wms_getcapabilities_doc FROM wms WHERE wms_id = $1";
$v = array($wmsId);
$t = array('i');
$res = db_prep_query($sql,$v,$t);
$someArray = db_fetch_row($res);
$capabilities_doc = $someArray[0];

$comment = "";
$updated = "0";
$result = -1;

set_time_limit(TIME_LIMIT);

if ($myURL) {

	$remoteWms = new wms();
	$remoteWms->createObjFromXML($myURL);
	$now = time();
	$remoteXml = $remoteWms->wms_getcapabilities_doc;  

	// compare the capabilities XML documents
	$localXml = $capabilities_doc;
	
	if (!$remoteXml) {
		$result = -1;
		$comment = "Connection failed.";
	}
	elseif (!$localXml) {
		$result = 0;
	}
	else {
		
		if ($localXml == $remoteXml) {
			$result = 1;
			$comment = "WMS is stable.";
		}
		else {
			$result = 0;
		}
	}
	if ($result == 0) {
		$mywms = new wms();
		
		if ($mywms->createObjFromXML($myURL)) {
			if ($auto_update) {
				$mywms->updateObjInDB($wmsId);
				$updated = "1";
				$comment = "WMS has been updated.";
			}
			else {
				$comment = "WMS is not up to date.";
			}
		}
		else {
			$result = -1;
			$comment = "Invalid getCapabilities request/document or service exception.";
		}    
	}
}
else {
	$result = -1;
	$comment = "Invalid upload URL.";
	$now = time();
}

echo "wmsid: " . $wmsId . "\nupload_id: " . $upload_id . "\n";
echo "autoupdate: " . $auto_update . "\n";
echo "result: " . $result . "\ncomment: " . $comment . "\n";
echo "timestamp: " . $now . " (".date("F j, Y, G:i:s",$now).")\n";
echo "getCapabilities URL: " . $myURL . "\nupdated: " . $updated . "\n\n";
echo "-------------------------------------------------------------------\n";
echo "remote XML:\n\n" . $remoteXml . "\n\n";
echo "-------------------------------------------------------------------\n";
echo "local XML:\n\n" . $localXml . "\n\n";
echo "-------------------------------------------------------------------\n";


$sql = "UPDATE mb_monitor SET updated = $1, status = $2, status_comment = $3, upload_url = $4, timestamp_end = $5 WHERE upload_id = $6 AND fkey_wms_id = $7";
$v = array($updated, $result, $comment, $myURL, $now, $upload_id, $wmsId);
$t = array('s', 's', 's', 's', 's', 's', 'i');
$res = db_prep_query($sql,$v,$t);
?>