/**
 * Describe Reserved Instances Offerings Action Sample
 * The DescribeReservedInstancesOfferings operation describes Reserved
 * Instance offerings that are available for purchase. With Amazon EC2
 * Reserved Instances, you purchase the right to launch Amazon EC2 instances
 * for a period of time (without getting insufficient capacity errors) and
 * pay a lower usage rate for the actual time used.  
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_DescribeReservedInstancesOfferings or array of parameters
 */
function invokeDescribeReservedInstancesOfferings(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->describeReservedInstancesOfferings($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        DescribeReservedInstancesOfferingsResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\n";
            }
        }
        if ($response->isSetDescribeReservedInstancesOfferingsResult()) {
            echo "            DescribeReservedInstancesOfferingsResult\n";
            $describeReservedInstancesOfferingsResult = $response->getDescribeReservedInstancesOfferingsResult();
            $reservedInstancesOfferingList = $describeReservedInstancesOfferingsResult->getReservedInstancesOffering();
            foreach ($reservedInstancesOfferingList as $reservedInstancesOffering) {
                echo "                ReservedInstancesOffering\n";
                if ($reservedInstancesOffering->isSetReservedInstancesOfferingId()) {
                    echo "                    ReservedInstancesOfferingId\n";
                    echo "                        " . $reservedInstancesOffering->getReservedInstancesOfferingId() . "\n";
                }
                if ($reservedInstancesOffering->isSetInstanceType()) {
                    echo "                    InstanceType\n";
                    echo "                        " . $reservedInstancesOffering->getInstanceType() . "\n";
                }
                if ($reservedInstancesOffering->isSetAvailabilityZone()) {
                    echo "                    AvailabilityZone\n";
                    echo "                        " . $reservedInstancesOffering->getAvailabilityZone() . "\n";
                }
                if ($reservedInstancesOffering->isSetDuration()) {
                    echo "                    Duration\n";
                    echo "                        " . $reservedInstancesOffering->getDuration() . "\n";
                }
                if ($reservedInstancesOffering->isSetUsagePrice()) {
                    echo "                    UsagePrice\n";
                    echo "                        " . $reservedInstancesOffering->getUsagePrice() . "\n";
                }
                if ($reservedInstancesOffering->isSetFixedPrice()) {
                    echo "                    FixedPrice\n";
                    echo "                        " . $reservedInstancesOffering->getFixedPrice() . "\n";
                }
                if ($reservedInstancesOffering->isSetProductDescription()) {
                    echo "                    ProductDescription\n";
                    echo "                        " . $reservedInstancesOffering->getProductDescription() . "\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";
    }
}