/**
 * Allocate Address Action Sample
 * The AllocateAddress operation acquires an elastic IP address for use with your
 * account.
 *   
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_AllocateAddress or array of parameters
 */
function invokeAllocateAddress(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->allocateAddress($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        AllocateAddressResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\n";
            }
        }
        if ($response->isSetAllocateAddressResult()) {
            echo "            AllocateAddressResult\n";
            $allocateAddressResult = $response->getAllocateAddressResult();
            if ($allocateAddressResult->isSetPublicIp()) {
                echo "                PublicIp\n";
                echo "                    " . $allocateAddressResult->getPublicIp() . "\n";
            }
        }
    } catch (Amazon_EC2_Exception $ex) {
        echo "Caught Exception: " . $ex->getMessage() . "\n";
        echo "Response Status Code: " . $ex->getStatusCode() . "\n";
        echo "Error Code: " . $ex->getErrorCode() . "\n";
        echo "Error Type: " . $ex->getErrorType() . "\n";
        echo "Request ID: " . $ex->getRequestId() . "\n";
        echo "XML: " . $ex->getXML() . "\n";
    }
}