refactor(Core/Network): Port TrinityCore socket optimizations (#24384)

Co-authored-by: blinkysc <blinkysc@users.noreply.github.com>
Co-authored-by: Shauren <shauren@users.noreply.github.com>

src/server/apps/authserver/Server/AuthSession.cpp

@@ -162,7 +162,7 @@ void AccountInfo::LoadResult(Field* fields)
     Utf8ToUpperOnlyLatin(Login);
 }
 
-AuthSession::AuthSession(tcp::socket&& socket) :
+AuthSession::AuthSession(IoContextTcpSocket&& socket) :
     Socket(std::move(socket)), _status(STATUS_CHALLENGE), _build(0), _expversion(0) { }
 
 void AuthSession::Start()
@@ -216,7 +216,7 @@ void AuthSession::CheckIpCallback(PreparedQueryResult result)
     AsyncRead();
 }
 
-void AuthSession::ReadHandler()
+SocketReadCallbackResult AuthSession::ReadHandler()
 {
     MessageBuffer& packet = GetReadBuffer();
 
@@ -234,7 +234,7 @@ void AuthSession::ReadHandler()
         if (_status != itr->second.status)
         {
             CloseSocket();
-            return;
+            return SocketReadCallbackResult::Stop;
         }
 
         uint16 size = uint16(itr->second.packetSize);
@@ -248,7 +248,7 @@ void AuthSession::ReadHandler()
             if (size > MAX_ACCEPTED_CHALLENGE_SIZE)
             {
                 CloseSocket();
-                return;
+                return SocketReadCallbackResult::Stop;
             }
         }
 
@@ -258,13 +258,13 @@ void AuthSession::ReadHandler()
         if (!(*this.*itr->second.handler)())
         {
             CloseSocket();
-            return;
+            return SocketReadCallbackResult::Stop;
         }
 
         packet.ReadCompleted(size);
     }
 
-    AsyncRead();
+    return SocketReadCallbackResult::KeepReading;
 }
 
 void AuthSession::SendPacket(ByteBuffer& packet)

src/server/apps/authserver/Server/AuthSession.h

@@ -60,22 +60,22 @@ struct AccountInfo
     AccountTypes SecurityLevel = SEC_PLAYER;
 };
 
-class AuthSession : public Socket<AuthSession>
+class AuthSession final : public Socket<AuthSession>
 {
     typedef Socket<AuthSession> AuthSocket;
 
 public:
     static std::unordered_map<uint8, AuthHandler> InitHandlers();
 
-    AuthSession(tcp::socket&& socket);
+    AuthSession(IoContextTcpSocket&& socket);
 
     void Start() override;
-    bool Update() override;
+    bool Update() final;
 
     void SendPacket(ByteBuffer& packet);
 
 protected:
-    void ReadHandler() override;
+    SocketReadCallbackResult ReadHandler() final;
 
 private:
     bool HandleLogonChallenge();

src/server/apps/authserver/Server/AuthSocketMgr.h

@@ -54,9 +54,9 @@ protected:
         return threads;
     }
 
-    static void OnSocketAccept(tcp::socket&& sock, uint32 threadIndex)
+    static void OnSocketAccept(IoContextTcpSocket&& sock, uint32 threadIndex)
     {
-        Instance().OnSocketOpen(std::forward<tcp::socket>(sock), threadIndex);
+        Instance().OnSocketOpen(std::move(sock), threadIndex);
     }
 };