Created
February 19, 2010 10:08
-
-
Save banyan/308599 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/** | |
* @dependency Zend/Json.php - http://framework.zend.com/ | |
* | |
* This file is modifying JSON-RPC PHP which depends on `Zend/Json.php`. | |
* The original file - http://jsonrpcphp.org/ | |
*/ | |
require_once('Zend/Json.php'); | |
/* | |
COPYRIGHT | |
Copyright 2007 Sergio Vaccaro <sergio@inservibile.org> | |
This file is part of JSON-RPC PHP. | |
JSON-RPC PHP 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. | |
JSON-RPC PHP 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 JSON-RPC PHP; if not, write to the Free Software | |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
*/ | |
/** | |
* The object of this class are generic jsonRPC 1.0 clients | |
* http://json-rpc.org/wiki/specification | |
* | |
* @author sergio <jsonrpcphp@inservibile.org> | |
*/ | |
class jsonRPCClient { | |
/** | |
* Debug state | |
* | |
* @var boolean | |
*/ | |
private $debug; | |
/** | |
* The server URL | |
* | |
* @var string | |
*/ | |
private $url; | |
/** | |
* The request id | |
* | |
* @var integer | |
*/ | |
private $id; | |
/** | |
* If true, notifications are performed instead of requests | |
* | |
* @var boolean | |
*/ | |
private $notification = false; | |
/** | |
* Takes the connection parameters | |
* | |
* @param string $url | |
* @param boolean $debug | |
*/ | |
public function __construct($url,$debug = false) { | |
// server URL | |
$this->url = $url; | |
// proxy | |
empty($proxy) ? $this->proxy = '' : $this->proxy = $proxy; | |
// debug state | |
empty($debug) ? $this->debug = false : $this->debug = true; | |
// message id | |
$this->id = 1; | |
} | |
/** | |
* Sets the notification state of the object. In this state, notifications are performed, instead of requests. | |
* | |
* @param boolean $notification | |
*/ | |
public function setRPCNotification($notification) { | |
empty($notification) ? | |
$this->notification = false | |
: | |
$this->notification = true; | |
} | |
/** | |
* Performs a jsonRCP request and gets the results as an array | |
* | |
* @param string $method | |
* @param array $params | |
* @return array | |
*/ | |
public function __call($method,$params) { | |
// check | |
if (!is_scalar($method)) { | |
throw new Exception('Method name has no scalar value'); | |
} | |
// check | |
if (is_array($params)) { | |
// no keys | |
$params = array_values($params); | |
} else { | |
throw new Exception('Params must be given as array'); | |
} | |
// sets notification or request task | |
if ($this->notification) { | |
$currentId = NULL; | |
} else { | |
$currentId = $this->id; | |
} | |
// prepares the request | |
$request = array( | |
'method' => $method, | |
'params' => $params, | |
'id' => $currentId | |
); | |
$request = Zend_Json::encode($request); | |
$this->debug && $this->debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n"; | |
// performs the HTTP POST | |
$opts = array ('http' => array ( | |
'method' => 'POST', | |
'header' => 'Content-type: application/json', | |
'content' => $request | |
)); | |
$context = stream_context_create($opts); | |
if ($fp = fopen($this->url, 'r', false, $context)) { | |
$response = ''; | |
while($row = fgets($fp)) { | |
$response.= trim($row)."\n"; | |
} | |
$this->debug && $this->debug.='***** Server response *****'."\n".$response.'***** End of server response *****'."\n"; | |
$response = Zend_Json::decode($response,true); | |
} else { | |
throw new Exception('Unable to connect to '.$this->url); | |
} | |
// debug output | |
if ($this->debug) { | |
echo nl2br($debug); | |
} | |
// final checks and return | |
if (!$this->notification) { | |
// check | |
if ($response['id'] != $currentId) { | |
throw new Exception('Incorrect response id (request id: '.$currentId.', response id: '.$response['id'].')'); | |
} | |
if (!is_null($response['error'])) { | |
throw new Exception('Request error: '.$response['error']); | |
} | |
return $response['result']; | |
} else { | |
return true; | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment