private bool retryExecute(netForumXMLSoapClient xWebClient, out XmlNode queryResults, string serviceName, string methodName, Parameter[] parameters)
{
bool ret = false;
queryResults = null;
for (int i = 0; i < Config.XWebRetryAttemps; i++)
{
_log.Error("Retrying ExecuteMethod attempt#: " + i.ToString());
try
{
queryResults = xWebClient.ExecuteMethod(ref _authToken, serviceName, methodName, parameters);
if (queryResults != null)
{
return(true);
}
}
catch
{
//ignore exception and retry
}
Thread.Sleep(Config.XWebRetryWait);
}
return(ret);
}
private XmlNode executeMethod(string serviceName, string methodName, Parameter[] parameters, bool isRetry)
{
String logMethodName = ".executeMethod(string serviceName, string methodName, Parameter[] parameters, bool isRetry) - ";
_log.Debug(logMethodName + "Begin Method");
XmlNode queryResults = null;
netForumXMLSoapClient xWebClient = null;
try
{
_log.Debug(logMethodName + "Creating netForumXMLSoapClient.");
xWebClient = new netForumXMLSoapClient();
_log.Debug(logMethodName + "netForumXMLSoapClient created successfuly.");
_log.Debug(logMethodName + "Calling netForumXMLSoapClient.ExecuteMethod(ASA.Web.Services.Common.xWeb.ExecuteMethodRequest request)");
logExecuteMethod(serviceName, methodName, parameters, isRetry);
queryResults = xWebClient.ExecuteMethod(ref _authToken, serviceName, methodName, parameters);
_log.Debug(logMethodName + "netForumXMLSoapClient.ExecuteMethod(...) completed");
}
catch (TimeoutException te)
{
_log.Error(logMethodName + "executeMethod: TimeoutException on xWeb service call. make sure endpoint is reachable and configured correctly.", te);
if (!retryExecute(xWebClient, out queryResults, serviceName, methodName, parameters))
{
ProxyHelper.HandleServiceException(xWebClient);
throw te;
}
}
//we do not want to retry these. These are errors that will not be fixed by a retry, i.e. invalid credentials
//catch (FaultException fe)
//{
// _log.Error(logMethodName + "There has been an error for an xWeb Execute operation: ", fe);
// throw fe;
//}
catch (CommunicationException ce)
{
// This will cause the AuthorizationToken to be refreshed,
// and it will perform ONE retry call to xWeb to GetQuery() following this CommunicationException
if (isRetry == false && ce.Message.StartsWith("System.Web.Services.Protocols.SoapException: Failed"))
{
ProxyHelper.HandleServiceException(xWebClient);
_log.Info(logMethodName + "executeMethod: Going to retry after getting a new Auth Token");
getNewAuthToken();
queryResults = executeMethod(serviceName, methodName, parameters, true);
}
else
{
_log.Error(logMethodName + "executeMethod: CommunicationException on xWeb service call. make sure endpoint is reachable and configured correctly... this may be due to Token expiration", ce);
if (!retryExecute(xWebClient, out queryResults, serviceName, methodName, parameters))
{
ProxyHelper.HandleServiceException(xWebClient);
throw ce;
}
}
}
finally
{
if (xWebClient.State != CommunicationState.Closed)
{
ProxyHelper.CloseChannel(xWebClient);
}
}
_log.Debug(logMethodName + "End Method");
return(queryResults);
}