/**
 * Authorize Security Group Ingress Action Sample
 * The AuthorizeSecurityGroupIngress operation adds permissions to a security
 * group.
 * Permissions are specified by the IP protocol (TCP, UDP or ICMP), the source of
 * the request (by IP range or an Amazon EC2 user-group pair), the source and
 * destination port ranges (for TCP and UDP), and the ICMP codes and types (for
 * ICMP). When authorizing ICMP, -1 can be used as a wildcard in the type and code
 * fields.
 * Permission changes are propagated to instances within the security group as
 * quickly as possible. However, depending on the number of instances, a small
 * delay might occur.
 * When authorizing a user/group pair permission, GroupName,
 * SourceSecurityGroupName and SourceSecurityGroupOwnerId must be specified. When
 * authorizing a CIDR IP permission, GroupName, IpProtocol, FromPort, ToPort and
 * CidrIp must be specified. Mixing these two types of parameters is not allowed.
 *   
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_AuthorizeSecurityGroupIngress or array of parameters
 */
function invokeAuthorizeSecurityGroupIngress(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->authorizeSecurityGroupIngress($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        AuthorizeSecurityGroupIngressResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\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";
    }
}