be passed into inventory queries.
This makes the API more homogenous and also will more clearly show
coding
errors related to HG inventory where the .Owner field has a meaning
for a query but wasn't always set.
This means that from now on, [new] root folders have code 8 (FolderType.Root), as the viewers expect, as opposed to 9, which was what we had been doing. Normal folders are as they were, -1. Also now sending folder code 100 for Suitcase folders to viewers, with no filter.
All tests pass, but fingers crossed!
This happened because these notifications (the UDP packets) can only be sent to Root Agents. But the notifications were done in OnClientLogin(), at which point the client is still a Child Agent. Since a FireAndForget is used, it became a race condition as to whether the packets would be sent before or after the client became a Root Agent.
To fix this, we now only send the notifications once the client becomes a Root Agent for the first time.
* Applied the XmlRpcBasicDOSProtector.cs to the login service as both an example, and good practice.
* Applied the BaseStreamHandlerBasicDOSProtector.cs to the friends service as an example of the DOS Protector on StreamHandlers
* Added CircularBuffer, used for CPU and Memory friendly rate monitoring.
* DosProtector has 2 states, 1. Just Check for blocked users and check general velocity, 2. Track velocity per user, It only jumps to 2 if it's getting a lot of requests, and state 1 is about as resource friendly as if it wasn't even there.
This currently prints caps requests received and handled, so that overload of received compared to handled or deadlock can be detected.
This involves making BaseStreamHandler and BaseOutputStream record the ints, which means inheritors should subclass ProcessRequest() instead of Handle()
However, existing inheriting classes overriding Handle() will still work, albeit without stats recording.
"show caps" becomes "show caps list" to disambiguate between show caps commands
