/// <summary>
/// Method to get the list of configured nodes and is only there for backward compatibility. Executes synchronously.
/// The format of the returned node description is using NodeId format. The assumption
/// is that the caller is able to access the namespace array of the server
/// on the endpoint URL(s) themselve and do the correct mapping.
/// </summary>
private ServiceResult OnGetPublishedNodesLegacyCall(ISystemContext context, MethodState method, IList <object> inputArguments, IList <object> outputArguments)
{
string logPrefix = "OnGetPublishedNodesLegacyCall:";
Uri endpointUri = null;
if (string.IsNullOrEmpty(inputArguments[0] as string))
{
Logger.Information($"{logPrefix} returning all nodes of all endpoints'!");
}
else
{
try
{
endpointUri = new Uri(inputArguments[0] as string);
}
catch (UriFormatException)
{
Logger.Error($"{logPrefix} The endpointUrl is invalid '{inputArguments[0] as string}'!");
return(ServiceResult.Create(StatusCodes.BadArgumentsMissing, "Please provide a valid OPC UA endpoint URL as first argument!"));
}
}
// get the list of published nodes in NodeId format
List <ConfigurationFileEntryLegacyModel> configFileEntries = NodeConfiguration.GetPublisherConfigurationFileEntriesAsNodeIdsAsync(endpointUri.OriginalString).Result;
outputArguments[0] = JsonConvert.SerializeObject(configFileEntries);
Logger.Information($"{logPrefix} Success (number of entries: {configFileEntries.Count})");
return(ServiceResult.Good);
}
