private ConcurrentDictionary <string, MetadataEntry> GetParcialMetaTable(NamespaceManager namespaceManager, List <int> sectionsToSend)
{
ConcurrentDictionary <string, MetadataEntry> tableToSend = new ConcurrentDictionary <string, MetadataEntry>( );
foreach (KeyValuePair <string, MetadataEntry> metadataEntry in _metaTable)
{
int queue = namespaceManager.GetNameSpaceID(metadataEntry.Key);
if (sectionsToSend.Contains(queue))
{
tableToSend.TryAdd(metadataEntry.Key, metadataEntry.Value);
}
}
return(tableToSend);
}
/// <summary>
/// Corre numa thread independente
/// </summary>
/// <param name="request"></param>
private void NewRequestProcess(MetaRequest request)
{
Console.WriteLine("New Request: " + request);
log.Debug(DateTime.Now.Ticks + " New Request: " + request);
//Get NamespaceId
int namespaceId = NamespaceManager.GetNameSpaceID(request.FileName);
//Get Serializer ID. if equal mine, get this sector next ID and stamp it
int serializer = NamespaceManager.GetPartSerializer(namespaceId, ViewManager);
//A mensagem nao tem serializador mas sou eu: entao serializo
if (request.Serializer == -1)
{
if (serializer == ThisMetaserverId)
{
//sou eu a serializar isto
request.Serializer = ThisMetaserverId;
//Se os servidores querem congelar, nao vou lancar mais pedidos.
//Se nao serializar nem aceitar novos pedidos, o sistema fica isolado
freezeNewRequests.WaitOne( );
Console.WriteLine("Passed Serializer");
log.Debug(DateTime.Now.Ticks + " Start Serializing request: " + request);
request = NamespaceManager.SerializeRequest(request);
log.Debug(DateTime.Now.Ticks + " Request serialized: " + request);
}
else
{
//passo a outro para ele serializar isto e espero que volte
SendToNext(request, null);
return;
}
}
//agora tem serializador de certeza
if (request.Serializer != serializer)
{
//Discordo quem seja o serializador
Console.WriteLine("Dont agree: " + request.Serializer + " is the serializer. Should be: " + serializer);
}
//Concordo com o serializador, entregar
Console.WriteLine("Deliver to App " + request);
//Deliver to app (if this request is newer (serializer tells it))
MetaserverResponse result = AppDelivery(request);
SendToNext(request, result);
}
