/// <summary> /// Simple constructor. Make sure to instantiate the settings instance class, which is defined in the base class. /// </summary> public ConfigurationService() { settingsInstance = new Trade.StockTraderWebApplicationSettings.Settings(); }
/// <summary> /// This method performs the logic required when a specific configuration settings key is changed. This includes /// potentially updating configuration database, notifying nodes, and performing configuration actions. /// </summary> /// <param name="targetHostNameIdentifier">The name of the target host we are seeking, as specified in the target's HOST_NAME_IDENTIFIER settings key.</param> /// <param name="targetConfigServiceName">The fully qualified name of the Configuration Service implementation class for the host we are seeking, used in /// conjunction with targetHostNameIdentifier to uniquely identify a target host.</param> /// <param name="oldKey">The key prior to update.</param> /// <param name="newKey">The updated key.</param> /// <param name="notifyNodes">If true, key update will be flowed to peer nodes.</param> /// <param name="action">Action to perform.</param> /// <param name="traversePath">Network path to the target host.</param> /// <param name="csUser">User to authenticate.</param> /// <returns>Int representing success code.</returns> public override int receiveConfigurationKey(string targetHostNameIdentifier, string targetConfigServiceNameIdentifier, ConfigurationKeyValues oldKey, ConfigurationKeyValues newKey, bool notifyNodes, string action, List<TraverseNode> traversePath, ServiceUsers csUser) { ServiceConfigHelper configHelper = new ServiceConfigHelper(settingsInstance); bool success = true; object theSettingsInstance = new Trade.StockTraderWebApplicationSettings.Settings(); IConfigurationActions configActions; int returnCode = ConfigUtility.CLUSTER_UPDATE_FULL_SUCCESS; try { if (!(configHelper.setServiceRights(ref csUser, ConfigUtility.CONFIG_ADMIN_RIGHTS) >= ConfigUtility.CONFIG_ADMIN_RIGHTS)) return ConfigUtility.CLUSTER_UPDATE_FAIL_AUTHENTICATION; configActions = (IConfigurationActions)ConfigUtility.reflectGetField(settingsInstance, "thisServiceConfigActions"); if ((action != ConfigUtility.ADD_KEY && action != ConfigUtility.REMOVE_KEY) && (traversePath == null || traversePath.Count <= 1 || traversePath[0] == null)) { if (targetHostNameIdentifier.Equals(StockTraderUtility.WEB_APPLICATION) || targetHostNameIdentifier.Equals(StockTraderUtility.WEB_APPLICATION_Azure)) { if (!configActions.validateConfigurationKey(settingsInstance, newKey)) return ConfigUtility.CLUSTER_UPDATE_FAIL_VALIDATION; } } ConfigUtility.writeConfigConsoleMessage("\nReceived Request for Configuration Key Change, Action: " + action + ". Keyname: " + oldKey.ConfigurationKeyDisplayName + "\n", EventLogEntryType.Information, true, settingsInstance); ConfigUtility.writeConfigConsoleMessage("Value: " + newKey.ConfigurationKeyValue + "\n\n", EventLogEntryType.Information, true, settingsInstance); if (traversePath == null || traversePath.Count <= 1 || traversePath[0] == null) { bool SHARESERVICECONFIGURATIONDATA = (bool)ConfigUtility.reflectGetField(settingsInstance, "SHARESERVICECONFIGURATIONDATA"); if (!SHARESERVICECONFIGURATIONDATA) { List<ServiceUsers> thisServiceUsers = (List<ServiceUsers>)ConfigUtility.reflectGetField(settingsInstance, "thisServiceUsers"); ServiceUsers userLocalAdmin = thisServiceUsers.Find(delegate(ServiceUsers userExist) { return csUser.UserId.ToLower().Equals("localadmin") && userExist.Password.Equals(csUser.Password) && csUser.Rights == ConfigUtility.CONFIG_ADMIN_RIGHTS; }); if (userLocalAdmin == null) return ConfigUtility.CLUSTER_UPDATE_FULL_SUCCESS; } switch (targetHostNameIdentifier) { case StockTraderUtility.IISHOST_BUSINESS_SERVICES: { theSettingsInstance = new Trade.BusinessServiceConfigurationSettings.Settings(); Trade.BusinessServiceHostConfigurationImplementation.ConfigurationService configService = new Trade.BusinessServiceHostConfigurationImplementation.ConfigurationService(); int bslRetCode = configService.receiveConfigurationKey(targetHostNameIdentifier, targetConfigServiceNameIdentifier, oldKey, newKey, notifyNodes, action, traversePath, csUser); if (bslRetCode == ConfigUtility.CLUSTER_UPDATE_FULL_SUCCESS) success = true; break; } case StockTraderUtility.ORDER_PROCESSOR_SERVICE_SELFHOST: { theSettingsInstance = new Trade.BusinessServiceConfigurationSettings.Settings(); Trade.BusinessServiceHostConfigurationImplementation.ConfigurationService configService = new Trade.BusinessServiceHostConfigurationImplementation.ConfigurationService(); int bslRetCode = configService.receiveConfigurationKey(targetHostNameIdentifier, targetConfigServiceNameIdentifier, oldKey, newKey, notifyNodes, action, traversePath, csUser); if (bslRetCode == ConfigUtility.CLUSTER_UPDATE_FULL_SUCCESS) success = true; break; } case StockTraderUtility.AZURE_BUSINESS_SERVICES: { goto case StockTraderUtility.IISHOST_BUSINESS_SERVICES; } case StockTraderUtility.ORDER_PROCESSOR_SERVICE_AZURE: { goto case StockTraderUtility.ORDER_PROCESSOR_SERVICE_SELFHOST; } default: { if (notifyNodes) success = configHelper.sendConfigurationKeyUpdateLocal(oldKey, newKey, action, csUser); break; } } if (success) { if (targetHostNameIdentifier.Equals(StockTraderUtility.WEB_APPLICATION) || targetHostNameIdentifier.Equals(StockTraderUtility.WEB_APPLICATION_Azure)) success = configActions.checkChangedSetting(theSettingsInstance, newKey, notifyNodes, csUser); if (notifyNodes && success) { RemoteNotifications remoteNotify = new RemoteNotifications(settingsInstance); return remoteNotify.sendKeyUpdateToClusterMembers(targetHostNameIdentifier, targetConfigServiceNameIdentifier, oldKey, newKey, action); } } else returnCode = ConfigUtility.CLUSTER_UPDATE_FAIL_PERSISTED; } else { if (traversePath != null && traversePath.Count > 1) { RemoteNotifications remoteKeyUpdate = new RemoteNotifications(settingsInstance); ConfigUtility.writeConfigConsoleMessage(" Forwarding Key to Remote Connected Service: " + traversePath[traversePath.Count - 1].MyNode.Address + "\n", EventLogEntryType.Information, true, settingsInstance); return (remoteKeyUpdate.sendConfigurationKeyUpdateRemote(targetHostNameIdentifier, targetConfigServiceNameIdentifier, oldKey, newKey, notifyNodes, action, traversePath, csUser)); } } } catch (Exception e) { ServiceConfigHelper.logServiceOperationException(csUser, e.ToString(), settingsInstance); throw; } return (returnCode); }