class.ilSoapClient.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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. |
        +-----------------------------------------------------------------------------+
*/

// @deprecated
define('DEFAULT_TIMEOUT',5);
// @deprecated
define('DEFAULT_RESPONSE_TIMEOUT',30);

include_once './webservice/soap/lib/nusoap.php';


class ilSoapClient
{
        const DEFAULT_CONNECT_TIMEOUT = 10;
        const DEFAULT_RESPONSE_TIMEOUT = 5;

        var $server = '';
        var $timeout = null;
        var $response_timeout = null;
        var $use_wsdl = true;

        function ilSoapClient($a_server = '')
        {
                global $ilLog;

                $this->log =& $ilLog;
                $this->__setServer($a_server);
        }

        function __setServer($a_server)
        {
                global $ilSetting; 
                
                if(strlen($a_server))
                {
                        return $this->server = $a_server;
                }               
                
                if(strlen(trim($ilSetting->get('soap_wsdl_path'))))
                {
                        return $this->server = trim($ilSetting->get('soap_wsdl_path'));
                }

                $this->setTimeout($ilSetting->get('soap_connect_timeout'), self::DEFAULT_CONNECT_TIMEOUT);
                
                $this->server = ILIAS_HTTP_PATH.'/webservice/soap/server.php?wsdl';
        }

        function getServer()
        {
                return $this->server;
        }
        
        function setTimeout($a_timeout)
        {
                $this->timeout = $a_timeout;
        }
        function getTimeout()
        {
                return $this->timeout ? $this->timeout : self::DEFAULT_CONNECT_TIMEOUT;
        }

        function setResponseTimeout($a_timeout)
        {
                $this->response_timeout = $a_timeout;
        }
        function getResponseTimeout()
        {
                return $this->response_timeout;
        }

        function enableWSDL($a_status)
        {
                $this->use_wsdl = (bool) $a_status;
        }
        function enabledWSDL()
        {
                return (bool) $this->use_wsdl;
        }

        function init()
        {
                $this->client = new nusoap_client($this->getServer(),
                                                                                $this->enabledWSDL(),
                                                                                false, // no proxy support in the moment
                                                                                false,
                                                                                false,
                                                                                false,
                                                                                $this->getTimeout(),
                                                                                $this->getResponseTimeout());
                
                if($error = $this->client->getError())
                {
                        $this->log->write('Error calling soap server: '.$this->getServer().' Error: '.$error);
                        return false;
                }
                return true;
        }

        function &call($a_operation,$a_params)
        {
                $res = $this->client->call($a_operation,$a_params);
                if($error = $this->client->getError())
                {
                        $this->log->write('Error calling soap server: '.$this->getServer().' Error: '.$error);
                }

                return $res;
                // Todo cannot check errors here since it's not possible to distinguish between 'timeout' and other errors.
        }
}
                
?>