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<?php
define('RPC_DISCOVER', 'discover');
class turboRpcCodec
{
function &decode(&$inBuffer)
{
return $inBuffer;
}
function &encode(&$inBuffer)
{
return $inBuffer;
}
}
class turboRpcResponse
{
var $result = NULL;
var $error = NULL;
var $id = 0;
var $debug = '[turboRpc:]';
var $trip = 0;
function turboRpcResponse($inId=0)
{
$this->id = $inId;
}
}
function turboRpcDebug($inMsg = NULL)
{
static $_debug = '';
if ($inMsg)
$_debug .= "[$inMsg]<br>";
return $_debug;
}
class turboRpc
{
var $Targets;
var $Response;
var $Config;
var $Codec;
function turboRpc($inCodec = NULL)
{
$this->Codec = $inCodec;
$this->Response = new turboRpcResponse();
$old_error_handler = set_error_handler(array(&$this, "rpcErrorHandler"));
}
function debug($inMsg = NULL)
{
static $_debug = '';
if ($inMsg)
$_debug .= "[$inMsg]<br>";
return $_debug;
}
function addTarget(&$inTarget)
// various ampersands needed to avoid deep-copying objects in PHP4
{
$this->Targets[] = &$inTarget;
$inTarget->rpc = &$this;
}
function getTargetMethods($inTargets)
{
$result = array();
$c = count($inTargets);
//
// 'for' instead of 'foreach' to avoid deep-copying objects in PHP4
for ($i=0; $i < $c; $i++)
{
$methods = array_diff(get_class_methods($inTargets[$i]), array(get_class($inTargets[$i])));
$methods = array_filter($methods, create_function('$v', 'return ($v && $v{0}!="_");'));
$result = array_merge($result, $methods);
}
return $result;
}
function getMethodList()
{
return $this->getTargetMethods($this->Targets);
}
function &findInTargets($inMethod, &$inTargets)
{
$c = count($inTargets);
// 'for' instead of 'foreach' to avoid deep-copying objects in PHP4
for ($i=0; $i < $c; $i++)
if (method_exists($inTargets[$i], $inMethod))
return $inTargets[$i];
return null;
}
function &findTarget($inMethod)
{
$target = $this->findInTargets($inMethod, $this->Targets);
// error output is here because subclasses may have other
// reasons for returning a NULL target
if ($target == NULL)
$this->Response->error = "rpc: could not find remote procedure '$request->method'";
return $target;
}
function _dispatch($inRequest)
{
//echo "method: ".$inRequest->method;
//$this->Response = new turboRpcResponse($inRequest->id);
$this->Response->id = $inRequest->id;
if ($inRequest->method == RPC_DISCOVER)
$this->Response->result = $this->getMethodList();
else {
$target =& $this->findTarget($inRequest->method);
if ($target !== NULL)
$this->Response->result = call_user_func_array(array(&$target, $inRequest->method), $inRequest->arguments);
}
}
function dispatch(&$inRequest)
{
//file_put_contents('rpc.txt', $inRequest);
$this->_dispatch($this->Codec->decode($inRequest));
$this->finish();
}
function error($inError)
{
$this->Response->error = $inError;
$this->finish();
}
function finish()
{
$this->Response->debug = turboRpcDebug();
echo $this->Codec->encode($this->Response);
exit;
}
function rpcErrorHandler($errno, $errmsg, $filename, $linenum, $vars)
{
switch ($errno)
{
case E_USER_NOTICE:
$this->error($errmsg);
break;
case E_USER_ERROR:
case E_USER_WARNING:
$this->error("$errmsg (line $linenum in " . basename($filename) . ")");
//$this->error(array($errmsg, basename($filename), $linenum));
break;
default:
break;
}
}
}
?>
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