public ServerUploadToken RequestUploadToken(string node)
{
ServerUploadToken token;
lock (activeTokenList)
{
//Create token
if (recycledList.Count > 0)
token = recycledList.Dequeue();
else
token = new ServerUploadToken();
activeTokenList.Add(token);
token.RemoteEndPoint = node;
int totalUploads = activeTokenList.Where(t => t.GlobalQueuePosition == 0).Count();
//If we have reached the global uploads then pause the download
if (totalUploads > model.MaxUploads)
{
//Record queue position
token.GlobalQueuePosition = activeTokenList.Where(t => t.GlobalQueuePosition != 0).Count() + 1;
}
else
token.GlobalQueuePosition = 0;
}
return token;
}
public void FreeToken(ServerUploadToken itoken)
{
lock (activeTokenList)
{
//Recycle token
itoken.RemoteEndPoint = null;
itoken.GlobalQueuePosition = 0;
recycledList.Enqueue(itoken);
activeTokenList.Remove(itoken);
//Start next item
List<ServerUploadToken> list =
activeTokenList.Where(t => t.GlobalQueuePosition > 0).OrderBy(t => t.GlobalQueuePosition).ToList();
if (list.Count > 0)
list[0].GlobalQueuePosition = 0;
for (int i = 1; i < list.Count; i++)
list[i].GlobalQueuePosition = i;
}
}