$clouduser_name = $request_fields['cr_username'];
     $clouduser_ccus = $request_fields['cr_ccunits'];
     $setccus_parameters = "admin," . $openqrm_user . "," . $openqrm_password . "," . $clouduser_name . "," . $clouduser_ccus;
     try {
         $res = $client->CloudUserSetCCUs($setccus_parameters);
     } catch (Exception $e) {
         $res = $e->getMessage();
     }
     echo "Set Cloud User {$clouduser_name} CCUs to {$clouduser_ccus} : {$res}<br>";
     break;
     // ######################### cloud User setCCUs example ####################
 // ######################### cloud User setCCUs example ####################
 case 'setlimits':
     $setlimit_parameters = "admin," . $openqrm_user . "," . $openqrm_password . "," . $request_fields['cr_username'] . "," . $request_fields['cr_resource_limit'] . "," . $request_fields['cr_memory_limit'] . "," . $request_fields['cr_disk_limit'] . "," . $request_fields['cr_cpu_limit'] . "," . $request_fields['cr_network_limit'];
     try {
         $res = $client->CloudUserSetLimits($setlimit_parameters);
     } catch (Exception $e) {
         $res = $e->getMessage();
     }
     echo "Set Cloud Limits of User {$clouduser_name} : {$res}<br>";
     break;
     // ######################### cloud sshterm example ####################
 // ######################### cloud sshterm example ####################
 case 'appliance_login':
     $cloudappliance_ip = $request_fields['cr_cloudappliance_ip'];
     sshterm_login($cloudappliance_ip);
     break;
     // ######################### cloud appliance command example ####################
 // ######################### cloud appliance command example ####################
 case 'appliance_pause':
     $appliance_pause_parameters = "admin," . $openqrm_user . "," . $openqrm_password . "," . $request_fields['cr_cloudappliance_id'] . ",stop";