/// <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);
}
