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* Added a Basic DOS protection container/base object for the most common HTTP Server handlers. XMLRPC Handler, GenericHttpHandler and <Various>StreamHandler

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* 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 commit is contained in:
teravus
2013-10-07 21:35:55 -05:00
parent 31246ecd04
commit f76cc6036e
12 changed files with 1112 additions and 7 deletions
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12
OpenSim/Region/CoreModules/Avatar/Friends/FriendsRequestHandler.cs
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@@ -42,14 +42,22 @@ using log4net;
namespace OpenSim.Region.CoreModules.Avatar.Friends
{
public class FriendsRequestHandler : BaseStreamHandler
public class FriendsRequestHandler : BaseStreamHandlerBasicDOSProtector
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private FriendsModule m_FriendsModule;
public FriendsRequestHandler(FriendsModule fmodule)
: base("POST", "/friends")
: base("POST", "/friends", new BasicDosProtectorOptions()
{
AllowXForwardedFor = true,
ForgetTimeSpan = TimeSpan.FromMinutes(2),
MaxRequestsInTimeframe = 5,
ReportingName = "FRIENDSDOSPROTECTOR",
RequestTimeSpan = TimeSpan.FromSeconds(5),
ThrottledAction = ThrottleAction.DoThrottledMethod
})
{
m_FriendsModule = fmodule;
}