/**
 * Cancel Bundle Task Action Sample
 * CancelBundleTask operation cancels a pending or
 * in-progress bundling task. This is an asynchronous
 * call and it make take a while for the task to be cancelled.
 * If a task is cancelled while it is storing items,
 * there may be parts of the incomplete AMI stored in S3.
 * It is up to the caller to clean up these parts from S3.
 *   
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_CancelBundleTask or array of parameters
 */
function invokeCancelBundleTask(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->cancelBundleTask($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        CancelBundleTaskResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\n";
            }
        }
        if ($response->isSetCancelBundleTaskResult()) {
            echo "            CancelBundleTaskResult\n";
            $cancelBundleTaskResult = $response->getCancelBundleTaskResult();
            $bundleTaskList = $cancelBundleTaskResult->getBundleTask();
            foreach ($bundleTaskList as $bundleTask) {
                echo "                BundleTask\n";
                if ($bundleTask->isSetInstanceId()) {
                    echo "                    InstanceId\n";
                    echo "                        " . $bundleTask->getInstanceId() . "\n";
                }
                if ($bundleTask->isSetBundleId()) {
                    echo "                    BundleId\n";
                    echo "                        " . $bundleTask->getBundleId() . "\n";
                }
                if ($bundleTask->isSetBundleState()) {
                    echo "                    BundleState\n";
                    echo "                        " . $bundleTask->getBundleState() . "\n";
                }
                if ($bundleTask->isSetStartTime()) {
                    echo "                    StartTime\n";
                    echo "                        " . $bundleTask->getStartTime() . "\n";
                }
                if ($bundleTask->isSetUpdateTime()) {
                    echo "                    UpdateTime\n";
                    echo "                        " . $bundleTask->getUpdateTime() . "\n";
                }
                if ($bundleTask->isSetStorage()) {
                    echo "                    Storage\n";
                    $storage = $bundleTask->getStorage();
                    if ($storage->isSetS3()) {
                        echo "                        S3\n";
                        $s3 = $storage->getS3();
                        if ($s3->isSetBucket()) {
                            echo "                            Bucket\n";
                            echo "                                " . $s3->getBucket() . "\n";
                        }
                        if ($s3->isSetPrefix()) {
                            echo "                            Prefix\n";
                            echo "                                " . $s3->getPrefix() . "\n";
                        }
                        if ($s3->isSetAWSAccessKeyId()) {
                            echo "                            AWSAccessKeyId\n";
                            echo "                                " . $s3->getAWSAccessKeyId() . "\n";
                        }
                        if ($s3->isSetUploadPolicy()) {
                            echo "                            UploadPolicy\n";
                            echo "                                " . $s3->getUploadPolicy() . "\n";
                        }
                        if ($s3->isSetUploadPolicySignature()) {
                            echo "                            UploadPolicySignature\n";
                            echo "                                " . $s3->getUploadPolicySignature() . "\n";
                        }
                    }
                }
                if ($bundleTask->isSetProgress()) {
                    echo "                    Progress\n";
                    echo "                        " . $bundleTask->getProgress() . "\n";
                }
                if ($bundleTask->isSetBundleTaskError()) {
                    echo "                    BundleTaskError\n";
                    $bundleTaskError = $bundleTask->getBundleTaskError();
                    if ($bundleTaskError->isSetCode()) {
                        echo "                        Code\n";
                        echo "                            " . $bundleTaskError->getCode() . "\n";
                    }
                    if ($bundleTaskError->isSetMessage()) {
                        echo "                        Message\n";
                        echo "                            " . $bundleTaskError->getMessage() . "\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";
    }
}