/**
 * Describe Reserved Instances Action Sample
 * The DescribeReservedInstances operation describes Reserved Instances that were purchased for use with your account.  
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_DescribeReservedInstances or array of parameters
 */
function invokeDescribeReservedInstances(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->describeReservedInstances($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        DescribeReservedInstancesResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\n";
            }
        }
        if ($response->isSetDescribeReservedInstancesResult()) {
            echo "            DescribeReservedInstancesResult\n";
            $describeReservedInstancesResult = $response->getDescribeReservedInstancesResult();
            $reservedInstancesList = $describeReservedInstancesResult->getReservedInstances();
            foreach ($reservedInstancesList as $reservedInstances) {
                echo "                ReservedInstances\n";
                if ($reservedInstances->isSetReservedInstancesId()) {
                    echo "                    ReservedInstancesId\n";
                    echo "                        " . $reservedInstances->getReservedInstancesId() . "\n";
                }
                if ($reservedInstances->isSetInstanceType()) {
                    echo "                    InstanceType\n";
                    echo "                        " . $reservedInstances->getInstanceType() . "\n";
                }
                if ($reservedInstances->isSetAvailabilityZone()) {
                    echo "                    AvailabilityZone\n";
                    echo "                        " . $reservedInstances->getAvailabilityZone() . "\n";
                }
                if ($reservedInstances->isSetDuration()) {
                    echo "                    Duration\n";
                    echo "                        " . $reservedInstances->getDuration() . "\n";
                }
                if ($reservedInstances->isSetUsagePrice()) {
                    echo "                    UsagePrice\n";
                    echo "                        " . $reservedInstances->getUsagePrice() . "\n";
                }
                if ($reservedInstances->isSetFixedPrice()) {
                    echo "                    FixedPrice\n";
                    echo "                        " . $reservedInstances->getFixedPrice() . "\n";
                }
                if ($reservedInstances->isSetInstanceCount()) {
                    echo "                    InstanceCount\n";
                    echo "                        " . $reservedInstances->getInstanceCount() . "\n";
                }
                if ($reservedInstances->isSetProductDescription()) {
                    echo "                    ProductDescription\n";
                    echo "                        " . $reservedInstances->getProductDescription() . "\n";
                }
                if ($reservedInstances->isSetPurchaseState()) {
                    echo "                    PurchaseState\n";
                    echo "                        " . $reservedInstances->getPurchaseState() . "\n";
                }
                if ($reservedInstances->isSetStartTime()) {
                    echo "                    StartTime\n";
                    echo "                        " . $reservedInstances->getStartTime() . "\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";
    }
}