/// <summary>
/// Конструктор.
/// </summary>
/// <param name="dhuNodeDefinition">Конфигурация узла.</param>
public DataNodeReader(DataNodeDefinition dhuNodeDefinition, IDbServicesFactory timeServiceFactory)
{
if (dhuNodeDefinition == null)
{
throw new ArgumentNullException("dhuNodeDefinition");
}
this.nodeDefinition = dhuNodeDefinition;
var url = this.nodeDefinition.ServiceUri.ToString();
this.client = new MongoClient(url);
this.database = client.GetDatabase(TransportConstants.MongoDatabaseName);
this.settingsCollection = this.database.GetCollection <GlobalSetting>(TransportConstants.GlobalSettingTable);
this.packetsPartsCollection = this.database.GetCollection <PacketPart>(TransportConstants.PacketsPartsTable);
this.timeService = timeServiceFactory.GetTimeService(url, TransportConstants.MongoDatabaseName, TimeSpan.FromMinutes(30));
this.disposeCts = new CancellationTokenSource();
}
private void FillPacketsInfosChains(DataNodeDefinition node, IEnumerable <AgentPacketPartInfo> providerFinalPacketParts, DataProcessingContext ctx)
{
ctx.CancellationToken.ThrowIfCancellationRequested();
var partedFinalParts = new List <AgentPacketPartNodePair>();
if (this.dataNodeReadersPool.TryGetReader(node, out var dataReader))
{
foreach (var packetFinalPartInfo in providerFinalPacketParts)
{
ctx.CancellationToken.ThrowIfCancellationRequested();
// для частей которые содержат весь пакет
if (packetFinalPartInfo.StartPosition == 0)
{
ctx.PacketToChain.Add(packetFinalPartInfo, new List <PacketPartNodePair> {
new PacketPartNodePair
{
NodeDefinition = node,
PacketPartInfo = packetFinalPartInfo,
}
});
//ctx.PacketToStreamFactory.Add(packetFinalPartInfo, (token) => new MemoryStream(this.GetBytes(node, packetFinalPartInfo, token), false));
}
else
{
partedFinalParts.Add(new AgentPacketPartNodePair
{
NodeDefinition = node,
PacketPartInfo = packetFinalPartInfo,
});
}
}
}
else
{
this.InstrumentateNoReaderForDef(node, "Не найден DataReader для скачивания");
}
// для пакетов которые разбиты на части
this.FillNonFullParts(partedFinalParts, ctx);
}
private void InstrumentateNoReaderForDef(DataNodeDefinition definition, string message)
{
// TODO implement instrumentation
}
//public bool TryGetReaderForUri(Uri url, out DataNodeReader nodeReader)
//{
// nodeReader = this.nodeReaders.FirstOrDefault(x => x.ServiceUri == url && x.StorageIdentifier != null);
// return nodeReader != null;
//}
public bool TryGetReader(DataNodeDefinition defenition, out DataNodeReader nodeReader)
{
nodeReader = this.nodeReaders.FirstOrDefault(x => x.ServiceUri == defenition.ServiceUri && x.StorageIdentifier != null);
return(nodeReader != null);
}
