private Result <DataResponse>[] SubscribeDataValues(Session session, IDataValueSubscription dataValueSubscription, OpcUAQuery[] queries, NamespaceTable nsTable)
{
var responses = new Result <DataResponse> [queries.Length];
var browsePaths = queries.Select(a => ResolveRelativePath(a, nsTable)).ToArray();
Result <NodeId>[] nodeIdsResult = GetNodeIds(session, browsePaths, nsTable);
var nodeIds = nodeIdsResult.Where(a => a.Success).Select(a => a.Value).ToArray();
var dataValues = dataValueSubscription.GetValues(nodeIds);
var results = new Result <DataResponse> [nodeIds.Length];
for (int i = 0, j = 0; i < nodeIdsResult.Length; i++)
{
if (nodeIdsResult[i].Success)
{
if (dataValues[j].Success)
{
results[i] = ValueDataResponse.GetDataResponseForDataValue(_log, dataValues[j].Value, nodeIds[j], queries[i], browsePaths[i]);
}
else
{
results[i] = new Result <DataResponse>(dataValues[j].StatusCode, dataValues[j].Error);
}
j++;
}
else
{
results[i] = new Result <DataResponse>(nodeIdsResult[i].StatusCode, nodeIdsResult[i].Error);
}
}
return(results);
}
private Result <DataResponse>[] ReadHistoryRaw(Session session, OpcUAQuery[] queries, NamespaceTable namespaceTable)
{
var indexMap = new Dictionary <ReadRawKey, List <int> >();
var queryMap = new Dictionary <ReadRawKey, List <NodeId> >();
var relativePaths = queries.Select(a => ResolveRelativePath(a, namespaceTable)).ToArray();
Result <NodeId>[] nodeIdsResult = GetNodeIds(session, relativePaths, namespaceTable);
//Result<UaMetaData>[] metaData = GetMetaData(session, nodeIdsResult, namespaceTable);
var result = new Result <DataResponse> [queries.Length];
for (int i = 0; i < queries.Length; i++)
{
var nodeIdResult = nodeIdsResult[i];
if (nodeIdResult.Success)
{
var query = queries[i];
var maxValues = query.maxValuesPerNode > 0 ? query.maxValuesPerNode : 0;
var tr = query.timeRange;
DateTime fromTime = DateTimeOffset.FromUnixTimeMilliseconds(tr.FromEpochMS).UtcDateTime;
DateTime toTime = DateTimeOffset.FromUnixTimeMilliseconds(tr.ToEpochMS).UtcDateTime;
var key = new ReadRawKey(fromTime, toTime, Convert.ToInt32(maxValues));
AddDict(indexMap, key, i);
AddDict(queryMap, key, nodeIdResult.Value);
}
else
{
result[i] = new Result <DataResponse>(nodeIdResult.StatusCode, nodeIdResult.Error);
}
}
foreach (var querygroup in queryMap)
{
var key = querygroup.Key;
var nodes = querygroup.Value.ToArray();
var historyValues = session.ReadHistoryRaw(key.StartTime, key.EndTime, key.MaxValues, nodes);
var indices = indexMap[key];
for (int i = 0; i < indices.Count; i++)
{
var idx = indices[i];
result[idx] = ValueDataResponse.CreateHistoryDataResponse(historyValues[i], queries[idx], relativePaths[idx]);
}
}
return(result);
}
//private Result<UaMetaData>[] GetMetaData(Session session, Result<NodeId>[] nodeIdsResult, NamespaceTable namespaceTable)
//{
//}
private Result <DataResponse>[] ReadHistoryProcessed(Session session, OpcUAQuery[] queries, NamespaceTable namespaceTable)
{
var indexMap = new Dictionary <ReadProcessedKey, List <int> >();
var queryMap = new Dictionary <ReadProcessedKey, List <NodeId> >();
var browsePaths = queries.Select(a => ResolveRelativePath(a, namespaceTable)).ToArray();
Result <NodeId>[] nodeIdsResult = GetNodeIds(session, browsePaths, namespaceTable);
var result = new Result <DataResponse> [queries.Length];
for (int i = 0; i < queries.Length; i++)
{
var query = queries[i];
OpcUaNodeDefinition aggregate = null;
var nodeIdResult = nodeIdsResult[i];
try
{
aggregate = JsonSerializer.Deserialize <OpcUaNodeDefinition>(query.aggregate.ToString());
}
catch (Exception e)
{
_log.LogError(e, "Error getting aggregate. ");
}
if (aggregate?.nodeId == null)
{
_log.LogError("Aggregate is not set");
result[i] = new Result <DataResponse>(StatusCodes.BadNodeIdInvalid, "Aggregate is not set");
}
else if (nodeIdResult.Success)
{
var resampleInterval = query.resampleInterval > 0 ? (double)(query.resampleInterval * 1000.0) : (double)query.intervalMs;
var tr = query.timeRange;
var aggregateNodeId = Converter.GetNodeId(aggregate.nodeId, namespaceTable);
DateTime fromTime = DateTimeOffset.FromUnixTimeMilliseconds(tr.FromEpochMS).UtcDateTime;
DateTime toTime = DateTimeOffset.FromUnixTimeMilliseconds(tr.ToEpochMS).UtcDateTime;
var key = new ReadProcessedKey(fromTime, toTime, aggregateNodeId, resampleInterval);
AddDict(indexMap, key, i);
AddDict(queryMap, key, nodeIdResult.Value);
}
else
{
result[i] = new Result <DataResponse>(nodeIdResult.StatusCode, nodeIdResult.Error);
}
}
foreach (var querygroup in queryMap)
{
var key = querygroup.Key;
var nodes = querygroup.Value.ToArray();
var historyValues = session.ReadHistoryProcessed(key.StartTime, key.EndTime, key.Aggregate, key.ResampleInterval, nodes);
var indices = indexMap[key];
for (int i = 0; i < indices.Count; i++)
{
var idx = indices[i];
var valuesResult = historyValues[i];
result[idx] = ValueDataResponse.CreateHistoryDataResponse(historyValues[i], queries[idx], browsePaths[idx]);
}
}
return(result);
}
