/usr/share/php/CAS/Request/CurlMultiRequest.php is in php-cas 1.3.3-2ubuntu1.
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/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* Jasig licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* PHP Version 5
*
* @file CAS/Request/AbstractRequest.php
* @category Authentication
* @package PhpCAS
* @author Adam Franco <afranco@middlebury.edu>
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://wiki.jasig.org/display/CASC/phpCAS
*/
/**
* This interface defines a class library for performing multiple web requests
* in batches. Implementations of this interface may perform requests serially
* or in parallel.
*
* @class CAS_Request_CurlMultiRequest
* @category Authentication
* @package PhpCAS
* @author Adam Franco <afranco@middlebury.edu>
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://wiki.jasig.org/display/CASC/phpCAS
*/
class CAS_Request_CurlMultiRequest
implements CAS_Request_MultiRequestInterface
{
private $_requests = array();
private $_sent = false;
/*********************************************************
* Add Requests
*********************************************************/
/**
* Add a new Request to this batch.
* Note, implementations will likely restrict requests to their own concrete
* class hierarchy.
*
* @param CAS_Request_RequestInterface $request reqest to add
*
* @return void
* @throws CAS_OutOfSequenceException If called after the Request has been sent.
* @throws CAS_InvalidArgumentException If passed a Request of the wrong
* implmentation.
*/
public function addRequest (CAS_Request_RequestInterface $request)
{
if ($this->_sent) {
throw new CAS_OutOfSequenceException(
'Request has already been sent cannot '.__METHOD__
);
}
if (!$request instanceof CAS_Request_CurlRequest) {
throw new CAS_InvalidArgumentException(
'As a CAS_Request_CurlMultiRequest, I can only work with CAS_Request_CurlRequest objects.'
);
}
$this->_requests[] = $request;
}
/**
* Retrieve the number of requests added to this batch.
*
* @return number of request elements
*/
public function getNumRequests()
{
if ($this->_sent) {
throw new CAS_OutOfSequenceException(
'Request has already been sent cannot '.__METHOD__
);
}
return count($this->_requests);
}
/*********************************************************
* 2. Send the Request
*********************************************************/
/**
* Perform the request. After sending, all requests will have their
* responses poulated.
*
* @return bool TRUE on success, FALSE on failure.
* @throws CAS_OutOfSequenceException If called multiple times.
*/
public function send ()
{
if ($this->_sent) {
throw new CAS_OutOfSequenceException(
'Request has already been sent cannot send again.'
);
}
if (!count($this->_requests)) {
throw new CAS_OutOfSequenceException(
'At least one request must be added via addRequest() before the multi-request can be sent.'
);
}
$this->_sent = true;
// Initialize our handles and configure all requests.
$handles = array();
$multiHandle = curl_multi_init();
foreach ($this->_requests as $i => $request) {
$handle = $request->_initAndConfigure();
curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
$handles[$i] = $handle;
curl_multi_add_handle($multiHandle, $handle);
}
// Execute the requests in parallel.
do {
curl_multi_exec($multiHandle, $running);
} while ($running > 0);
// Populate all of the responses or errors back into the request objects.
foreach ($this->_requests as $i => $request) {
$buf = curl_multi_getcontent($handles[$i]);
$request->_storeResponseBody($buf);
curl_multi_remove_handle($multiHandle, $handles[$i]);
curl_close($handles[$i]);
}
curl_multi_close($multiHandle);
}
}
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