private object ReadDistributionMapResponse(IBinaryStream s)
{
var affinityTopologyVersion = new AffinityTopologyVersion(s.ReadLong(), s.ReadInt());
var size = s.ReadInt();
var mapping = new Dictionary <int, ClientCachePartitionMap>();
for (int i = 0; i < size; i++)
{
var grp = new ClientCachePartitionAwarenessGroup(s);
if (grp.PartitionMap == null)
{
// Partition awareness is not applicable for these caches.
foreach (var cache in grp.Caches)
{
mapping[cache.Key] = null;
}
continue;
}
// Count partitions to avoid reallocating array.
int maxPartNum = 0;
if (grp.PartitionMap == null)
{
continue;
}
foreach (var partMap in grp.PartitionMap)
{
foreach (var part in partMap.Value)
{
if (part > maxPartNum)
{
maxPartNum = part;
}
}
}
// Populate partition array.
var partNodeIds = new Guid[maxPartNum + 1];
foreach (var partMap in grp.PartitionMap)
{
foreach (var part in partMap.Value)
{
partNodeIds[part] = partMap.Key;
}
}
foreach (var cache in grp.Caches)
{
mapping[cache.Key] = new ClientCachePartitionMap(partNodeIds, cache.Value);
}
}
_distributionMap = new ClientCacheTopologyPartitionMap(mapping, affinityTopologyVersion);
return(null);
}
/// <summary>
/// Returns a value indicating whether distribution map is up to date.
/// </summary>
/// <returns></returns>
private bool IsDistributionMapUpToDate(ClientCacheTopologyPartitionMap map = null)
{
map = map ?? _distributionMap;
if (map == null || _affinityTopologyVersion == null)
{
return(false);
}
return(map.AffinityTopologyVersion >= (AffinityTopologyVersion)_affinityTopologyVersion);
}
