[+] (dummy!) ISocketServerLimits.hpp

[+] (dummy!) ISocketChannelLimits.hpp
[+] ISocketChannel::GetChannelLimits
[+] ISocketBase::GetLockedWorkerThread
[+] ISocket::GetSocketServer

Include/Aurora/IO/Net/ISocket.hpp

@@ -11,6 +11,7 @@ namespace Aurora::IO::Net
 {
     struct ISocketChannel;
     struct ISocketDriver;
+    struct ISocketServer;
 
     struct ISocket : virtual ISocketBase
     {
@@ -19,5 +20,7 @@ namespace Aurora::IO::Net
         virtual const NetEndpoint &GetRemoteEndpoint() = 0;
 
         virtual AuSPtr<ISocketDriver> GetUserDriver() = 0;
+
+        virtual AuSPtr<ISocketServer> GetSocketServer() = 0;
     };
 }

Include/Aurora/IO/Net/ISocketBase.hpp

@@ -9,6 +9,8 @@
 
 namespace Aurora::IO::Net
 {
+    struct INetWorker;
+
     struct ISocketBase
     {
         virtual const NetError &GetError() = 0;
@@ -19,6 +21,8 @@ namespace Aurora::IO::Net
 
         virtual AuUInt ToPlatformHandle() = 0;
 
+        virtual AuSPtr<INetWorker> GetLockedWorkerThread() = 0;
+
         AURT_ADD_USR_DATA;
     };
 }

Include/Aurora/IO/Net/ISocketChannel.hpp

@@ -15,6 +15,7 @@ namespace Aurora::IO::Protocol
 namespace Aurora::IO::Net
 {
     struct ISocket;
+    struct ISocketChannelLimits;
     struct ISocketChannelEventListener;
 
     struct ISocketChannel : Protocol::IProtocolBaseReader, Protocol::IProtocolBaseWriter
@@ -231,6 +232,8 @@ namespace Aurora::IO::Net
         */
         virtual void RemoveEventListener(const AuSPtr<ISocketChannelEventListener> &pListener) = 0;
 
+        virtual AuSPtr<ISocketChannelLimits> GetChannelLimits() = 0;
+
         AURT_ADD_USR_DATA;
     };
 }

Include/Aurora/IO/Net/ISocketChannelLimits.hpp

@@ -0,0 +1,26 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: ISocketChannelLimits.hpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#pragma once
+
+namespace Aurora::IO::Net
+{
+    struct ISocketChannelLimits
+    {
+        virtual AuOptional<AuUInt32> GetBeforeDDoSDCAverageThroughputLimit() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> uNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSDCFrameTimeMS() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> uNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSTickFrameLimitCount() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> uNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSTickFrameTimeMS() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> uNextValue) = 0;
+    };
+}

Include/Aurora/IO/Net/ISocketServer.hpp

@@ -11,6 +11,8 @@ namespace Aurora::IO::Net
 {
     struct ISocketServer : virtual ISocketBase
     {
+        virtual AuList<AuSPtr<ISocket>> GetChildren() = 0;
+        virtual AuSPtr<ISocketServerLimits> GetLimits() = 0;
         virtual AuSPtr<ISocketServerDriver> GetServerDriver() = 0;
     };
 }

Include/Aurora/IO/Net/ISocketServerLimits.hpp

@@ -0,0 +1,44 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: ISocketServerLimits.hpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#pragma once
+
+namespace Aurora::IO::Net
+{
+    struct ISocketServerLimits
+    {
+        virtual AuOptional<AuUInt32> GetMaxConnectionsPerIp() = 0;
+        virtual AuOptional<AuUInt32> SetMaxConnectionsPerIp(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetMaxConnections() = 0;
+        virtual AuOptional<AuUInt32> SetMaxConnections(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuList<IPAddress> GetWhitelist() = 0;
+        virtual void SetWhitelist(AuList<IPAddress> whitelist) = 0;
+
+        virtual AuList<IPAddress> GetBlacklist() = 0;
+        virtual void SetBlacklist(AuList<IPAddress> blacklist) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSDCAverageThroughputLimit() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSDCFrameTimeMS() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSTickFrameLimitCount() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetBeforeDDoSTickFrameTimeMS() = 0;
+        virtual AuOptional<AuUInt32> SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> optNextValue) = 0;
+
+        virtual AuOptional<bool> GetAutoBanOnDDoSDetectA() = 0;
+        virtual AuOptional<bool> SetAutoBanOnDDoSDetectA(AuOptional<bool> optNextValue) = 0;
+
+        virtual AuOptional<AuUInt32> GetAutoBanTimeSecs() = 0;
+        virtual AuOptional<AuUInt32> SetAutoBanTimeSecs(AuOptional<AuUInt32> optNextValue) = 0;
+    };
+}

Include/Aurora/IO/Net/NetExperimental.hpp

@@ -28,6 +28,8 @@
 #include "ISocketChannel.hpp"
 #include "ISocketDriverFactory.hpp"
 #include "ISocketServerDriver.hpp"
+#include "ISocketServerLimits.hpp"
+#include "ISocketChannelLimits.hpp"
 #include "ISocketServer.hpp"
 
 #include "IDatagramDriver.hpp"

Source/IO/Net/AuNetChannelLimits.cpp

@@ -0,0 +1,52 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: AuNetChannelLimits.cpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#include "Networking.hpp"
+#include "AuNetChannelLimits.hpp"
+
+namespace Aurora::IO::Net
+{
+    AuOptional<AuUInt32> NetChannelLimits::GetBeforeDDoSDCAverageThroughputLimit()
+    {
+        return this->optBeforeDDoSDCAverageThroughputLimit;
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> uNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSDCAverageThroughputLimit, uNextValue);
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::GetBeforeDDoSDCFrameTimeMS()
+    {
+        return this->optBeforeDDoSDCFrameTimeMS;
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> uNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSDCFrameTimeMS, uNextValue);
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::GetBeforeDDoSTickFrameLimitCount()
+    {
+        return this->optBeforeDDoSTickFrameLimitCount;
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> uNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSTickFrameLimitCount, uNextValue);
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::GetBeforeDDoSTickFrameTimeMS()
+    {
+        return this->optBeforeDDoSTickFrameTimeMS;
+    }
+
+    AuOptional<AuUInt32> NetChannelLimits::SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> uNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSTickFrameTimeMS, uNextValue);
+    }
+}

Source/IO/Net/AuNetChannelLimits.hpp

@@ -0,0 +1,31 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: AuNetChannelLimits.hpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#pragma once
+
+namespace Aurora::IO::Net
+{
+    struct NetChannelLimits : ISocketChannelLimits
+    {
+        AuOptional<AuUInt32> GetBeforeDDoSDCAverageThroughputLimit() override;
+        AuOptional<AuUInt32> SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSDCFrameTimeMS() override;
+        AuOptional<AuUInt32> SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSTickFrameLimitCount() override;
+        AuOptional<AuUInt32> SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSTickFrameTimeMS() override;
+        AuOptional<AuUInt32> SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> optBeforeDDoSTickFrameTimeMS;
+        AuOptional<AuUInt32> optBeforeDDoSTickFrameLimitCount;
+        AuOptional<AuUInt32> optBeforeDDoSDCFrameTimeMS;
+        AuOptional<AuUInt32> optBeforeDDoSDCAverageThroughputLimit;
+    };
+}

Source/IO/Net/AuNetSocket.NT.cpp

@@ -24,8 +24,10 @@ namespace Aurora::IO::Net
     Socket::Socket(struct NetInterface *pInterface,
                    struct NetWorker *pWorker,
                    const AuSPtr<ISocketDriver> &pSocketDriver,
-                   AuUInt osHandle) :
+                   AuUInt osHandle,
-        SocketBase(pInterface, pWorker, pSocketDriver, osHandle)
+                   AuSPtr<ISocketServer> pParent,
+                   SocketServer *pParent2) :
+        SocketBase(pInterface, pWorker, pSocketDriver, osHandle, pParent, pParent2)
     {
 
     }

Source/IO/Net/AuNetSocket.NT.hpp

@@ -27,7 +27,9 @@ namespace Aurora::IO::Net
         Socket(struct NetInterface *pInterface,
                struct NetWorker *pWorker,
                const AuSPtr<ISocketDriver> &pSocketDriver,
-               AuUInt osHandle);
+               AuUInt osHandle,
+               AuSPtr<ISocketServer> pParent = {},
+               SocketServer *pParent2 = {});
 
         Socket(struct NetInterface *pInterface,
                struct NetWorker *pWorker,

Source/IO/Net/AuNetSocket.Unix.cpp

@@ -28,8 +28,9 @@ namespace Aurora::IO::Net
     Socket::Socket(struct NetInterface *pInterface,
                    struct NetWorker *pWorker,
                    const AuSPtr<ISocketDriver> &pSocketDriver,
-                   AuUInt osHandle) :
+                   AuUInt osHandle,
-        SocketBase(pInterface, pWorker, pSocketDriver, osHandle)
+                   AuSPtr<ISocketServer> pParent) :
+        SocketBase(pInterface, pWorker, pSocketDriver, osHandle, pParent)
     {
 
     }

Source/IO/Net/AuNetSocket.Unix.hpp

@@ -27,7 +27,9 @@ namespace Aurora::IO::Net
         Socket(struct NetInterface *pInterface,
                struct NetWorker *pWorker,
                const AuSPtr<ISocketDriver> &pSocketDriver,
-               AuUInt osHandle);
+               AuUInt osHandle,
+               AuSPtr<ISocketServer> pParent = {},
+               SocketServer *pParent2 = {});
 
         Socket(struct NetInterface *pInterface,
                struct NetWorker *pWorker,

Source/IO/Net/AuNetSocket.cpp

@@ -32,13 +32,16 @@ namespace Aurora::IO::Net
     SocketBase::SocketBase(struct NetInterface *pInterface,
                            struct NetWorker *pWorker,
                            const AuSPtr<ISocketDriver> &pSocketDriver,
-                   AuUInt osHandle) :
+                           AuUInt osHandle,
+                           AuSPtr<ISocketServer> pParent,
+                           SocketServer *pParent2) :
         connectOperation(this),
         socketChannel_(this),
         pInterface_(pInterface),
         pWorker_(pWorker),
         pSocketDriver_(pSocketDriver),
-        osHandle_(osHandle)
+        osHandle_(osHandle),
+        wpParent2_(pParent2)
     {
         this->pWorker_->AddSocket(this);
 
@@ -55,6 +58,10 @@ namespace Aurora::IO::Net
         this->osHandleOwner_->InitFromPairMove((int)this->osHandle_, (int)this->osHandle_);
     #endif
 
+        if (pParent)
+        {
+            pParent2->OnNotifyChildCreated(this);
+        }
     }
     
     SocketBase::SocketBase(struct NetInterface *pInterface,
@@ -262,6 +269,11 @@ namespace Aurora::IO::Net
         return this->pSocketDriver_;
     }
 
+    AuSPtr<INetWorker> SocketBase::GetLockedWorkerThread()
+    {
+        return this->pWorker_->SharedFromThis();
+    }
+
     const NetEndpoint &SocketBase::GetRemoteEndpoint()
     {
         return this->remoteEndpoint_;
@@ -272,6 +284,11 @@ namespace Aurora::IO::Net
         return this->localEndpoint_;
     }
 
+    AuSPtr<ISocketServer> SocketBase::GetSocketServer()
+    {
+        return AuTryLockMemoryType(this->wpParent_);
+    }
+
     void SocketBase::ConnectFinished()
     {
         this->UpdateLocalEndpoint();
@@ -523,6 +540,11 @@ namespace Aurora::IO::Net
 
     void SocketBase::Destroy()
     {
+        if (auto pParent = AuTryLockMemoryType(this->wpParent_))
+        {
+            this->wpParent2_->OnNotifyChildRemoved(this);
+        }
+
         this->SendFinalize();
     }
 
@@ -627,6 +649,11 @@ namespace Aurora::IO::Net
             this->pSocketDriver_.reset();
         }
 
+        if (auto pParent = AuTryLockMemoryType(this->wpParent_))
+        {
+            this->wpParent2_->OnNotifyChildRemoved(this);
+        }
+
         auto pWriteTransaction = this->socketChannel_.outputChannel.ToWriteTransaction();
 
         #if defined(AURORA_IS_MODERNNT_DERIVED)

Source/IO/Net/AuNetSocket.hpp

@@ -22,6 +22,7 @@ namespace Aurora::IO::Net
     struct SocketBase;
     struct SocketConnectOperation;
     struct SocketServerAcceptReadOperation;
+    struct SocketServer;
 
     struct SocketBase : virtual ISocket, AuEnableSharedFromThis<SocketBase>
     {
@@ -30,7 +31,9 @@ namespace Aurora::IO::Net
         SocketBase(struct NetInterface *pInterface,
                    struct NetWorker *pWorker,
                    const AuSPtr<ISocketDriver> &pSocketDriver,
-               AuUInt osHandle);
+                   AuUInt osHandle,
+                   AuSPtr<ISocketServer> pParent,
+                   SocketServer *pParent2);
 
         SocketBase(struct NetInterface *pInterface,
                struct NetWorker *pWorker,
@@ -59,11 +62,15 @@ namespace Aurora::IO::Net
 
         AuSPtr<ISocketDriver> GetUserDriver() override;
 
+        AuSPtr<INetWorker>  GetLockedWorkerThread();
+
         const NetEndpoint &GetRemoteEndpoint() override;
         const NetEndpoint &GetLocalEndpoint() override;
 
         const NetError &GetError() override;
         
+        AuSPtr<ISocketServer> GetSocketServer() override;
+
         void ConnectFinished();
         void ConnectFailed(const NetError &error);
 
@@ -128,6 +135,8 @@ namespace Aurora::IO::Net
 
         NetEndpoint remoteEndpoint_;
         NetEndpoint localEndpoint_;
+        AuWPtr<ISocketServer> wpParent_ {};
+        SocketServer *wpParent2_ {};
 
         bool bForceFailConstruct_ {};
 

Source/IO/Net/AuNetSocketChannel.cpp

@@ -349,6 +349,11 @@ namespace Aurora::IO::Net
                bool(this->inputChannel.IsValid());
     }
 
+    AuSPtr<ISocketChannelLimits> SocketChannel::GetChannelLimits()
+    {
+        return AuSPtr<ISocketChannelLimits>(this->pParent_->SharedFromThis(), &this->channelSecurity_);
+    }
+
     bool SocketChannel::SpecifyBufferSize(AuUInt uBytes,
                                           const AuSPtr<AuAsync::PromiseCallback<AuNullS, AuNullS>> &pCallbackOptional)
     {

Source/IO/Net/AuNetSocketChannel.hpp

@@ -11,6 +11,7 @@
 #include "AuNetSocketChannelInput.hpp"
 #include "AuNetSocketChannelOutput.hpp"
 #include "AuSocketStats.hpp"
+#include "AuNetChannelLimits.hpp"
 
 namespace Aurora::IO::Net
 {
@@ -81,6 +82,8 @@ namespace Aurora::IO::Net
 
         void RemoveEventListener(const AuSPtr<ISocketChannelEventListener> &pListener) override;
 
+        AuSPtr<ISocketChannelLimits> GetChannelLimits() override;
+
         SocketStats &  GetSendStatsEx();
         SocketStats &  GetRecvStatsEx();
 
@@ -116,6 +119,7 @@ namespace Aurora::IO::Net
         AuSPtr<IO::IStreamReader>        pCachedReader;
         AuSPtr<IO::IStreamWriter>        pCachedWriter;
 
+
         AuThreadPrimitives::SpinLock spinLock;
         AuList<AuSPtr<ISocketChannelEventListener>> eventListeners;
 
@@ -128,5 +132,6 @@ namespace Aurora::IO::Net
         SocketBase * pParent_;
         SocketStats  sendStats_;
         SocketStats  recvStats_;
+        NetChannelLimits channelSecurity_;
     };
 }

Source/IO/Net/AuNetSocketServer.NT.cpp

@@ -104,7 +104,7 @@ namespace Aurora::IO::Net
 
              We need a sane number between the two. 512 seems reasonable
         */
-        if (::listen(this->osHandle_, 512) != 0)
+        if (::listen(this->osHandle_, this->uBacklog) != 0)
         {
             NetError error;
             NetError_SetCurrent(error);

Source/IO/Net/AuNetSocketServer.Unix.cpp

@@ -122,7 +122,7 @@ namespace Aurora::IO::Net
 
              We need a sane number between the two. 512 seems reasonable
         */
-        if (::listen(this->osHandle_, 512) != 0)
+        if (::listen(this->osHandle_, this->uBacklog) != 0)
         {
             NetError error;
             NetError_SetCurrent(error);

Source/IO/Net/AuNetSocketServer.cpp

@@ -130,6 +130,47 @@ namespace Aurora::IO::Net
         return this->pFactory_;
     }
 
+    AuSPtr<ISocketServerLimits> SocketServer::GetLimits()
+    {
+        return AuSPtr<ISocketServerLimits>(this->SharedFromThis(), &this->serverLimits_);
+    }
+
+    AuList<AuSPtr<ISocket>> SocketServer::GetChildren()
+    {
+        AuList<AuSPtr<ISocket>> ret;
+        AU_LOCK_GUARD(this->childrenMutex);
+        for (const auto &pChild : this->childrenSockets)
+        {
+            try
+            {
+                ret.push_back(pChild->SharedFromThis());
+            }
+            catch (...)
+            {
+
+            }
+        }
+        return ret;
+    }
+
+    void SocketServer::OnNotifyChildCreated(SocketBase *pSocket)
+    {
+        {
+            AU_LOCK_GUARD(this->childrenMutex);
+            this->childrenSockets.push_back(pSocket);
+        }
+    }
+
+    void SocketServer::OnNotifyChildRemoved(SocketBase *pSocket)
+    {
+        {
+            AU_LOCK_GUARD(this->childrenMutex);
+            AuTryRemove(this->childrenSockets, pSocket);
+        }
+
+        this->serverLimits_.NotifyChildRemoved();
+    }
+
     /////////////////////////////////////////////////////////////////////////////////////
     // ISocketDriver
 

Source/IO/Net/AuNetSocketServer.hpp

@@ -13,9 +13,12 @@
     #pragma warning(disable: 4250)
 #endif
 
+#include "AuNetSocketServerLimits.hpp"
+
 namespace Aurora::IO::Net
 {
     struct SocketServer;
+    struct SocketBase;
 
     struct SocketServer : virtual Socket, virtual ISocketDriver, virtual ISocketServer
     {
@@ -33,6 +36,8 @@ namespace Aurora::IO::Net
 
         AuSPtr<ISocketServerDriver> GetServerDriver() override;
         AuSPtr<ISocketDriverFactory> GetFactory();
+        AuSPtr<ISocketServerLimits> GetLimits() override;
+        AuList<AuSPtr<ISocket>> GetChildren() override;
 
         virtual void FinishConstructAsync() override;
 
@@ -51,6 +56,7 @@ namespace Aurora::IO::Net
         
         const bool bMultiThreaded;
         const AuUInt32 uDefaultInputStreamSize;
+        AuUInt32 uBacklog { 512 };
     protected:
 
     // INTERFACE: base os socket
@@ -79,11 +85,19 @@ namespace Aurora::IO::Net
              
         virtual void OnFinalize() override;
 
+    //
+        void OnNotifyChildCreated(SocketBase *pSocket);
+        void OnNotifyChildRemoved(SocketBase *pSocket);
+
     private:
+        friend struct SocketBase;
+
         AuSPtr<ISocketServerDriver> pDriver_;
         AuUInt32 uMaxConnections_;
         AuSPtr<ISocketDriverFactory> pFactory_;
-
+        NetSocketServerLimits serverLimits_;
+        AuMutex childrenMutex;
+        AuList<SocketBase *> childrenSockets;
     };
 }
 

Source/IO/Net/AuNetSocketServerAcceptReadOperation.NT.cpp

@@ -220,7 +220,9 @@ namespace Aurora::IO::Net
         nextSocketPtr = AuMakeShared<Socket>(this->pInterface_,
                                              pWorker,
                                              pNewDriver,
-                                             (AuUInt)nextSocket);
+                                             (AuUInt)nextSocket,
+                                             AuSPtr<ISocketServer>(this->pParent_->SharedFromThis(), this->pParent_),
+                                             this->pParent_);
         if (!bool(nextSocketPtr))
         {
             // TODO: schedule retry

Source/IO/Net/AuNetSocketServerAcceptReadOperation.Unix.cpp

@@ -97,7 +97,9 @@ namespace Aurora::IO::Net
         this->nextSocketPtr = AuMakeShared<Socket>(this->pInterface_,
                                                    pWorker,
                                                    pNewDriver,
-                                                   (AuUInt)this->nextSocket);
+                                                   (AuUInt)this->nextSocket,
+                                                   AuSPtr<ISocketServer>(this->pParent_->SharedFromThis(), this->pParent_),
+                                                   this->pParent_);
         if (!bool(this->nextSocketPtr))
         {
             // TODO: schedule retry

Source/IO/Net/AuNetSocketServerLimits.cpp

@@ -0,0 +1,115 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: AuNetSocketServerLimits.cpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#include "Networking.hpp"
+#include "AuNetSocketServerLimits.hpp"
+
+namespace Aurora::IO::Net
+{
+    void NetSocketServerLimits::NotifyChildRemoved()
+    {
+
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetMaxConnectionsPerIp()
+    {
+        return this->optMaxConnectionsPerIp;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetMaxConnectionsPerIp(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optMaxConnectionsPerIp, optNextValue);
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetMaxConnections()
+    {
+        return this->optMaxConnections;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetMaxConnections(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optMaxConnections, optNextValue);
+    }
+
+    AuList<IPAddress> NetSocketServerLimits::GetWhitelist()
+    {
+        return {};
+    }
+
+    void NetSocketServerLimits::SetWhitelist(AuList<IPAddress> whitelist)
+    { }
+
+    AuList<IPAddress> NetSocketServerLimits::GetBlacklist()
+    {
+        return {};
+    }
+
+    void NetSocketServerLimits::SetBlacklist(AuList<IPAddress> blacklist)
+    {
+
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetBeforeDDoSDCAverageThroughputLimit()
+    {
+        return this->optBeforeDDoSDCAverageThroughputLimit;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSDCAverageThroughputLimit, optNextValue);
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetBeforeDDoSDCFrameTimeMS()
+    {
+        return this->optBeforeDDoSDCFrameTimeMS;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSDCFrameTimeMS, optNextValue);
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetBeforeDDoSTickFrameLimitCount()
+    {
+        return this->optBeforeDDoSTickFrameLimitCount;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSTickFrameLimitCount, optNextValue);
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetBeforeDDoSTickFrameTimeMS()
+    {
+        return this->optBeforeDDoSTickFrameTimeMS;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optBeforeDDoSTickFrameTimeMS, optNextValue);
+    }
+
+    AuOptional<bool> NetSocketServerLimits::GetAutoBanOnDDoSDetectA()
+    {
+        return this->optAutoBanOnDDoSDetectA;
+    }
+
+    AuOptional<bool> NetSocketServerLimits::SetAutoBanOnDDoSDetectA(AuOptional<bool> optNextValue)
+    {
+        return AuExchange(this->optAutoBanOnDDoSDetectA, optNextValue);
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::GetAutoBanTimeSecs()
+    {
+        return this->optAutoBanOnDDoSDetectA;
+    }
+
+    AuOptional<AuUInt32> NetSocketServerLimits::SetAutoBanTimeSecs(AuOptional<AuUInt32> optNextValue)
+    {
+        return AuExchange(this->optAutoBanOnDDoSDetectA, optNextValue);
+    }
+}

Source/IO/Net/AuNetSocketServerLimits.hpp

@@ -0,0 +1,55 @@
+/***
+    Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
+
+    File: AuNetSocketServerLimits.hpp
+    Date: 2023-11-29
+    Author: Reece
+***/
+#pragma once
+
+namespace Aurora::IO::Net
+{
+    struct NetSocketServerLimits : ISocketServerLimits
+    {
+        void NotifyChildRemoved();
+
+        AuOptional<AuUInt32> GetMaxConnectionsPerIp() override;
+        AuOptional<AuUInt32> SetMaxConnectionsPerIp(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetMaxConnections() override;
+        AuOptional<AuUInt32> SetMaxConnections(AuOptional<AuUInt32> uNextValue) override;
+
+        AuList<IPAddress> GetWhitelist() override;
+        void SetWhitelist(AuList<IPAddress> whitelist) override;
+
+        AuList<IPAddress> GetBlacklist() override;
+        void SetBlacklist(AuList<IPAddress> blacklist) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSDCAverageThroughputLimit() override;
+        AuOptional<AuUInt32> SetBeforeDDoSDCAverageThroughputLimit(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSDCFrameTimeMS() override;
+        AuOptional<AuUInt32> SetBeforeDDoSDCFrameTimeMS(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSTickFrameLimitCount() override;
+        AuOptional<AuUInt32> SetBeforeDDoSTickFrameLimitCount(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<AuUInt32> GetBeforeDDoSTickFrameTimeMS() override;
+        AuOptional<AuUInt32> SetBeforeDDoSTickFrameTimeMS(AuOptional<AuUInt32> uNextValue) override;
+
+        AuOptional<bool> GetAutoBanOnDDoSDetectA() override;
+        AuOptional<bool> SetAutoBanOnDDoSDetectA(AuOptional<bool> optNextValue) override;
+
+        AuOptional<AuUInt32> GetAutoBanTimeSecs() override;
+        AuOptional<AuUInt32> SetAutoBanTimeSecs(AuOptional<AuUInt32> optNextValue) override;
+
+        AuOptional<AuUInt32> optBeforeDDoSTickFrameTimeMS;
+        AuOptional<AuUInt32> optBeforeDDoSTickFrameLimitCount;
+        AuOptional<AuUInt32> optBeforeDDoSDCFrameTimeMS;
+        AuOptional<AuUInt32> optBeforeDDoSDCAverageThroughputLimit;
+        AuOptional<AuUInt32> optMaxConnectionsPerIp;
+        AuOptional<AuUInt32> optMaxConnections;
+        AuOptional<bool> optAutoBanOnDDoSDetectA;
+        AuOptional<AuUInt32> optAutoBanTimeSecs;
+    };
+}

Source/IO/Net/AuNetSrvSockets.cpp

@@ -209,6 +209,11 @@ namespace Aurora::IO::Net
             return {};
         }
 
+        if (netBind.uMaxAcceptBacklog)
+        {
+            pSocket->uBacklog = netBind.uMaxAcceptBacklog;
+        }
+
         if (!pWorker->TryScheduleInternalTemplate<AuNullS>([=](const AuSPtr<AuAsync::PromiseCallback<AuNullS>> &info)
         {
             pSocket->FinishConstructAsync();

Source/IO/Net/AuNetWorker.hpp

@@ -4,7 +4,9 @@ namespace Aurora::IO::Net
 {
     struct NetSrvWorkers;
 
-    struct NetWorker : INetWorker
+    struct NetWorker :
+        INetWorker,
+        AuEnableSharedFromThis<NetWorker>
     {
         NetWorker(NetSrvWorkers *pParent,
                   AuUInt8 workerIndex,

Source/IO/Net/SocketOverDatagram/AuNetDatagramEmulatorISocket.cpp

@@ -39,7 +39,12 @@ namespace Aurora::IO::Net
 
     AuSPtr<ISocketChannel> NetDatagramEmulatorISocket::ToChannel()
     {
-        return this->pParent->ToChannel();
+        if (auto pParent = this->pParent)
+        {
+            return pParent->ToChannel();
+        }
+
+        return {};
     }
 
     const NetEndpoint &NetDatagramEmulatorISocket::GetRemoteEndpoint()
@@ -49,6 +54,34 @@ namespace Aurora::IO::Net
 
     AuSPtr<ISocketDriver> NetDatagramEmulatorISocket::GetUserDriver()
     {
-        return this->pParent->GetUserDriver();
+        if (auto pParent = this->pParent)
+        {
+            return pParent->GetUserDriver();
+        }
+
+        return {};
+    }
+
+    AuSPtr<INetWorker> NetDatagramEmulatorISocket::GetLockedWorkerThread()
+    {
+        if (auto pParent = this->pParent)
+        {
+            return pParent->pWorker;
+        }
+
+        return {};
+    }
+
+    AuSPtr<ISocketServer> NetDatagramEmulatorISocket::GetSocketServer()
+    {
+        if (auto pParent = this->pParent)
+        {
+            if (auto pParent2 = AuTryLockMemoryType(pParent->pParentServer))
+            {
+                return pParent2->ToSocketServer();
+            }
+        }
+
+        return {};
     }
 }

Source/IO/Net/SocketOverDatagram/AuNetDatagramEmulatorISocket.hpp

@@ -32,5 +32,9 @@ namespace Aurora::IO::Net
         const NetEndpoint &GetRemoteEndpoint() override;
         
         AuSPtr<ISocketDriver> GetUserDriver() override;
+
+        AuSPtr<ISocketServer> GetSocketServer() override;
+
+        AuSPtr<INetWorker> GetLockedWorkerThread() override;
     };
 }

Source/IO/Net/SocketOverDatagram/AuNetDatagramEmulatorISocketServer.cpp

@@ -22,21 +22,70 @@ namespace Aurora::IO::Net
 
     void NetDatagramEmulatorISocketServer::Shutdown(bool bNow)
     {
-        this->pParent->Shutdown(bNow);
+        if (auto pParent = this->pParent)
+        {
+            return pParent->Shutdown(bNow);
+        }
     }
 
     void NetDatagramEmulatorISocketServer::Destroy()
     {
-        this->pParent->Destroy();
+        if (auto pParent = this->pParent)
+        {
+            return pParent->Destroy();
+        }
     }
 
     AuUInt NetDatagramEmulatorISocketServer::ToPlatformHandle()
     {
-        return this->pParent->ToPlatformHandle();
+        if (auto pParent = this->pParent)
+        {
+            return pParent->ToPlatformHandle();
+        }
+        else
+        {
+            return {};
+        }
     }
 
     AuSPtr<ISocketServerDriver> NetDatagramEmulatorISocketServer::GetServerDriver()
     {
-        return this->pParent->GetUserServerDriver();
+        if (auto pParent = this->pParent)
+        {
+            return pParent->GetUserServerDriver();
+        }
+        else
+        {
+            return {};
+        }
+    }
+
+    AuSPtr<ISocketServerLimits> NetDatagramEmulatorISocketServer::GetLimits()
+    {
+        return {};
+    }
+
+    AuList<AuSPtr<ISocket>> NetDatagramEmulatorISocketServer::GetChildren()
+    {
+        if (auto pParent = this->pParent)
+        {
+            return pParent->GetAllChildren();
+        }
+        else
+        {
+            return {};
+        }
+    }
+
+    AuSPtr<INetWorker> NetDatagramEmulatorISocketServer::GetLockedWorkerThread()
+    {
+        if (auto pParent = this->pParent)
+        {
+            return pParent->GetLockedWorkerThread();
+        }
+        else
+        {
+            return {};
+        }
     }
 }

Source/IO/Net/SocketOverDatagram/AuNetDatagramEmulatorISocketServer.hpp

@@ -28,5 +28,8 @@ namespace Aurora::IO::Net
         AuUInt ToPlatformHandle() override;
 
         AuSPtr<ISocketServerDriver> GetServerDriver() override;
+        AuSPtr<ISocketServerLimits> GetLimits() override;
+        AuList<AuSPtr<ISocket>> GetChildren() override;
+        AuSPtr<INetWorker> GetLockedWorkerThread() override;
     };
 }

Source/IO/Net/SocketOverDatagram/AuNetDatagramSocketServer.cpp

@@ -204,6 +204,40 @@ namespace Aurora::IO::Net
         return ret;
     }
 
+    AuList<AuSPtr<ISocket>> NetDatagramSocketServer::GetAllChildren()
+    {
+        AuList<AuSPtr<ISocket>> ret;
+
+        {
+            AU_LOCK_GUARD(this->mutex_);
+
+            for (const auto &[a, list] : this->sessions)
+            {
+                for (const auto &pItem : list)
+                {
+                    if (pItem)
+                    {
+                        ret.push_back(pItem->ToSocket());
+                    }
+                }
+            }
+        }
+
+        return ret;
+    }
+
+    AuSPtr<INetWorker> NetDatagramSocketServer::GetLockedWorkerThread()
+    {
+        if (auto pWorker = this->pWorker_)
+        {
+            return pWorker->SharedFromThis();
+        }
+        else
+        {
+            return {};
+        }
+    }
+
     void NetDatagramSocketServer::Shutdown(bool bNow)
     {
         this->eviction.EvictAll();

Source/IO/Net/SocketOverDatagram/AuNetDatagramSocketServer.hpp

@@ -38,12 +38,14 @@ namespace Aurora::IO::Net
         AuSPtr<NetDatagramSocketServerSession> GetSession(const NetEndpoint &endpoint);
         void Cleanup(const AuSPtr<NetDatagramSocketServerSession> &pSession);
         AuList<AuSPtr<NetDatagramSocketServerSession>> GetAllSessions();
+        AuList<AuSPtr<ISocket>> GetAllChildren();
 
         AuSPtr<NetDatagramSocketServerDriver> ToDriver();
         AuSPtr<ISocketServer> ToSocketServer();
 
         const NetError &GetError() override;
         const NetEndpoint &GetLocalEndpoint() override;
+        AuSPtr<INetWorker> GetLockedWorkerThread() override;
 
         void OnError(const NetError &error);
         void OnFatalErrorReported(const NetError &error);

Source/IO/Net/SocketOverDatagram/AuNetDatagramSocketServerChannel.cpp

@@ -425,6 +425,11 @@ namespace Aurora::IO::Net
         return this->pBuffer->RemainingBytes();
     }
 
+    AuSPtr<ISocketChannelLimits> NetDatagramSocketServerChannel::GetChannelLimits()
+    {
+        return {};
+    }
+
     SocketStats &NetDatagramSocketServerChannel::GetSendStatsEx()
     {
         return this->sendStats_;

Source/IO/Net/SocketOverDatagram/AuNetDatagramSocketServerChannel.hpp

@@ -74,6 +74,8 @@ namespace Aurora::IO::Net
 
         AuUInt GetNextFrameTargetLength() override;
 
+        AuSPtr<ISocketChannelLimits> GetChannelLimits() override;
+
         SocketStats &GetSendStatsEx();
         SocketStats &GetRecvStatsEx();