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joko |
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<? |
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/* |
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## -------------------------------------------------------------------------- |
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## $Id: Remote.php,v 1.4 2003/02/20 21:42:43 joko Exp $ |
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## -------------------------------------------------------------------------- |
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## $Log: Remote.php,v $ |
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## Revision 1.4 2003/02/20 21:42:43 joko |
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## + fix: always converting from utf8 into latin here (for now) |
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## |
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## Revision 1.3 2003/02/13 21:51:29 joko |
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## + now can remember its connection-state |
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## + sub ping |
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## |
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## Revision 1.2 2003/02/13 00:42:44 joko |
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## +- renamed modules |
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## |
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## Revision 1.1 2003/02/09 17:25:38 joko |
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## + refactored from flib/Application/RPC/Remote.php |
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## |
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## Revision 1.6 2003/02/03 03:37:45 jonen |
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## - removed unused argument '$decode' at function '_call()' |
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## + added argument '$options=array()' at function '_call()' |
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## which will be passed to function '&decodeData()' for e.g. utf8 decoding |
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## + added '$encoder->toISO()' at '&decodeData()', (re)moved from 'ProxyObject.php' |
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## |
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## Revision 1.5 2002/12/22 13:24:09 jonen |
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## + added utf8 encoding at 'send()' toggled by option |
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## |
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## Revision 1.4 2002/12/19 02:02:25 jonen |
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## + minor changes |
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## |
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## Revision 1.3 2002/12/19 01:59:37 jonen |
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## + minor changes: coment debug prints |
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## |
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## Revision 1.2 2002/12/05 21:45:31 joko |
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## + debugging |
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## |
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## Revision 1.1 2002/12/01 17:23:58 joko |
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## + initial check-in |
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## |
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## Revision 1.3 2002/12/01 06:22:57 cvsjoko |
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## + minor update: now can use config defaults or given args |
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## |
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## Revision 1.2 2002/10/29 19:14:45 cvsjoko |
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## - bugfix: dont' do utf8-encoding here |
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## |
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## Revision 1.1 2002/10/09 00:51:39 cvsjoko |
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## + new |
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## |
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## |
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## ------------------------------------------------------------------------- |
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*/ |
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/* |
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TODO: |
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o SOAP? |
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*/ |
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// V1: normal require |
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//require_once 'XML/RPC/RPC.php'; |
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// V2: first time load of foreign module (PEAR::XML::RPC) |
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//require_once 'XML/RPC/RPC.php'; |
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loadModule('XML::RPC::RPC'); |
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loadModule('Class::Logger'); |
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class DataSource_Proxy_XMLRPC extends Class_Logger { |
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var $configured; |
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var $meta; |
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function DataSource_Proxy_XMLRPC($args = array()) { |
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parent::constructor(); |
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//print Dumper($this, $args); |
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global $Data_Driver_RPC_Remote_meta; |
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session_register_safe("Data_Driver_RPC_Remote_meta"); |
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$this->meta = $Data_Driver_RPC_Remote_meta; |
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if (!isset($this->meta[connected]) || $args[connect]) { |
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$this->meta[connected] = 1; |
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} |
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$this->_save_meta(); |
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if ($args['Host']) { $this->host = $args['Host']; } |
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if ($args['Port']) { $this->port = $args['Port']; } |
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// check if host is valid |
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if (!$this->host) { |
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$this->_raiseException( "->constructor: attribute 'host' is empty, please check your settings"); |
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return; |
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} |
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if (!$this->port) { |
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$this->_raiseException( "->constructor: attribute 'port' is empty, please check your settings"); |
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return; |
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} |
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$this->configured = 1; |
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} |
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function _save_meta() { |
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global $Data_Driver_RPC_Remote_meta; |
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$Data_Driver_RPC_Remote_meta = $this->meta; |
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} |
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function send($command, $data = "", $options = array()) { |
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$this->log(get_class($this) . "->send: " . $command, PEAR_LOG_DEBUG); |
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if (!$this->isConnected()) { |
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$this->_raiseException( "->send: not connected!"); |
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return; |
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} |
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// do 'encode' here and ... |
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if ($options[utf8]) { |
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$encoder = new Data_Encode($data); |
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$encoder->toUTF8(); |
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} |
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// call '_call' with 'decode' |
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return $this->_call($command, $data, $options); |
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} |
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function _call($command, $data = "", $options = array() ) { |
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if (!$this->configured) { |
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$this->_raiseException( "->_call: class not configured properly"); |
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return; |
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} |
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// populate options list - mostly for debugging purposes |
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$options_list = array(); |
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foreach ($options as $key => $value) { |
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array_push($options_list, "$key=$value"); |
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} |
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$data_debug = $data; |
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if (is_array($data_debug)) { $data_debug = join(", ", $data_debug); } |
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$options_debug = join(", ", $options_list); |
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$this->log(get_class($this) . ": " . $command . "(" . $data_debug . ") [" . $options_debug . "]", PEAR_LOG_DEBUG); |
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// trace |
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//print "call: $command<hr>"; |
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//print Dumper($data); |
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//print Dumper($this); |
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// data |
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$data_enc = XML_RPC_encode($data); |
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// message - request |
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$msg = new XML_RPC_Message($command); |
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$msg->addParam($data_enc); |
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//print htmlentities($msg->serialize()); |
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// remote procedure call |
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$rpc = new XML_RPC_Client("/", $this->host, $this->port); |
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$rpc->setDebug(0); |
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if ( !$msg_response = $rpc->send($msg) ) { |
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// TODO: redirect this error elsewhere! |
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//print "RPC-error!<br>"; |
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$this->_raiseException( "->_call: no response"); |
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return; |
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} |
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// message - response |
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$response_enc = $msg_response->value(); |
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// TODO: what's this? prematurely returning here should not be considered "stable".... |
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return $this->decodeData($response_enc, $options); |
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} |
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function &decodeData(&$payload, $options = array() ) { |
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//if (!is_object($payload)) { return; } |
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if ($payload) { |
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// data |
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$data = XML_RPC_decode($payload); |
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//print "data: " . dumpVar($response); |
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// decode UTF8 to ISO if wanted |
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//if ($options[to_latin]) { |
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$encoder = new Data_Encode($data); |
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$encoder->toISO(); |
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//} |
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$this->meta[connected] = 1; |
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$this->_save_meta(); |
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return $data; |
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} else { |
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//print "ERROR!<br>"; |
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return 0; |
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} |
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} |
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function _raiseException($message) { |
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$this->meta[connected] = 0; |
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$this->_save_meta(); |
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$this->log(get_class($this) . $message, PEAR_LOG_ERR); |
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} |
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function isConnected() { |
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return $this->meta[connected]; |
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} |
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function ping() { |
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$this->_call('ping'); |
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} |
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} |
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?> |
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