internal void Store(KademliaId id, KyruObjectMetadata[] newMetadata)
{
lock (storage)
{
if (!storage.ContainsKey(id))
{
storage[id] = new List<KyruObjectMetadata>();
}
var metadata = storage[id];
foreach (var newItem in newMetadata)
{
// make sure the timestamp isn't in the future
newItem.Timestamp = Math.Min(DateTime.Now.UnixTimestamp(), newItem.Timestamp);
var item = metadata.FirstOrDefault(m => m.IpAddress == newItem.IpAddress && m.NodeId == newItem.NodeId);
if (item == null)
{
VerifyOwnership(id, newItem);
metadata.Add(newItem);
}
else
{
item.Timestamp = Math.Max(item.Timestamp, newItem.Timestamp);
}
}
}
}
private void VerifyOwnership(KademliaId objectId, KyruObjectMetadata newItem)
{
var message = new UdpMessage();
message.KeepObjectRequest = new KeepObjectRequest();
message.KeepObjectRequest.ObjectId = objectId;
message.ResponseCallback = delegate(UdpMessage udpMessage)
{
if (!udpMessage.KeepObjectResponse.HasObject) return;
lock (storage)
{
if (!storage.ContainsKey(objectId))
storage[objectId] = new List<KyruObjectMetadata>();
newItem.Timestamp = DateTime.Now.UnixTimestamp();
storage[objectId].Add(newItem);
}
};
node.SendUdpMessage(message, new IPEndPoint(newItem.IpAddress, newItem.Port), newItem.NodeId);
}