4 files changed, 28 insertions, 31 deletions

diff --git a/src/server/game/Server/WorldSession.cpp b/src/server/game/Server/WorldSession.cpp
index aa44170eac5..1c8470eaae1 100644
--- a/src/server/game/Server/WorldSession.cpp
+++ b/src/server/game/Server/WorldSession.cpp
@@ -296,6 +296,24 @@ void WorldSession::SendPacket(WorldPacket const* packet, bool forced /*= false*/
     m_Socket[conIdx]->SendPacket(*packet);
 }
 
+void WorldSession::AddInstanceConnection(WorldSession* session, std::weak_ptr<WorldSocket> sockRef, ConnectToKey key)
+{
+    std::shared_ptr<WorldSocket> socket = sockRef.lock();
+    if (!socket || !socket->IsOpen())
+        return;
+
+    if (!session || session->GetConnectToInstanceKey() != key.Raw)
+    {
+        socket->SendAuthResponseError(ERROR_TIMED_OUT);
+        socket->DelayedCloseSocket();
+        return;
+    }
+
+    socket->SetWorldSession(session);
+    session->m_Socket[CONNECTION_TYPE_INSTANCE] = std::move(socket);
+    session->HandleContinuePlayerLogin();
+}
+
 /// Add an incoming packet to the queue
 void WorldSession::QueuePacket(WorldPacket* new_packet)
 {
diff --git a/src/server/game/Server/WorldSession.h b/src/server/game/Server/WorldSession.h
index 750bdb7a9cf..9384f99928d 100644
--- a/src/server/game/Server/WorldSession.h
+++ b/src/server/game/Server/WorldSession.h
@@ -913,7 +913,6 @@ class TC_GAME_API WorldSession
         bool IsAddonRegistered(std::string_view prefix) const;
 
         void SendPacket(WorldPacket const* packet, bool forced = false);
-        void AddInstanceConnection(std::shared_ptr<WorldSocket> sock) { m_Socket[CONNECTION_TYPE_INSTANCE] = sock; }
 
         void SendNotification(char const* format, ...) ATTR_PRINTF(2, 3);
         void SendNotification(uint32 stringId, ...);
@@ -1742,6 +1741,7 @@ class TC_GAME_API WorldSession
         };
 
         uint64 GetConnectToInstanceKey() const { return _instanceConnectKey.Raw; }
+        static void AddInstanceConnection(WorldSession* session, std::weak_ptr<WorldSocket> sockRef, ConnectToKey key);
 
     public:
         QueryCallbackProcessor& GetQueryProcessor() { return _queryProcessor; }
diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index 2e881abccc3..78e113aab48 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -103,7 +103,6 @@
 #include "WeatherMgr.h"
 #include "WhoListStorage.h"
 #include "WorldSession.h"
-#include "WorldSocket.h"
 #include "WorldStateMgr.h"
 
 TC_GAME_API std::atomic<bool> World::m_stopEvent(false);
@@ -439,30 +438,6 @@ void World::AddSession_(WorldSession* s)
     }
 }
 
-void World::ProcessLinkInstanceSocket(std::pair<std::weak_ptr<WorldSocket>, uint64> linkInfo)
-{
-    if (std::shared_ptr<WorldSocket> sock = linkInfo.first.lock())
-    {
-        if (!sock->IsOpen())
-            return;
-
-        WorldSession::ConnectToKey key;
-        key.Raw = linkInfo.second;
-
-        WorldSession* session = FindSession(uint32(key.Fields.AccountId));
-        if (!session || session->GetConnectToInstanceKey() != linkInfo.second)
-        {
-            sock->SendAuthResponseError(ERROR_TIMED_OUT);
-            sock->DelayedCloseSocket();
-            return;
-        }
-
-        sock->SetWorldSession(session);
-        session->AddInstanceConnection(sock);
-        session->HandleContinuePlayerLogin();
-    }
-}
-
 bool World::HasRecentlyDisconnected(WorldSession* session)
 {
     if (!session)
@@ -3383,10 +3358,6 @@ void World::SendServerMessage(ServerMessageType messageID, std::string_view stri
 
 void World::UpdateSessions(uint32 diff)
 {
-    std::pair<std::weak_ptr<WorldSocket>, uint64> linkInfo;
-    while (_linkSocketQueue.next(linkInfo))
-        ProcessLinkInstanceSocket(std::move(linkInfo));
-
     {
         TC_METRIC_DETAILED_NO_THRESHOLD_TIMER("world_update_time",
             TC_METRIC_TAG("type", "Add sessions"),
@@ -3397,6 +3368,15 @@ void World::UpdateSessions(uint32 diff)
             AddSession_(sess);
     }
 
+    {
+        std::pair<std::weak_ptr<WorldSocket>, uint64> linkInfo;
+        while (_linkSocketQueue.next(linkInfo))
+        {
+            WorldSession::ConnectToKey key = { .Raw = linkInfo.second };
+            WorldSession::AddInstanceConnection(FindSession(key.Fields.AccountId), linkInfo.first, key);
+        }
+    }
+
     ///- Then send an update signal to remaining ones
     for (SessionMap::iterator itr = m_sessions.begin(), next; itr != m_sessions.end(); itr = next)
     {
diff --git a/src/server/game/World/World.h b/src/server/game/World/World.h
index ccc2176e0d7..710f25666b2 100644
--- a/src/server/game/World/World.h
+++ b/src/server/game/World/World.h
@@ -880,7 +880,6 @@ class TC_GAME_API World
         void AddSession_(WorldSession* s);
         LockedQueue<WorldSession*> addSessQueue;
 
-        void ProcessLinkInstanceSocket(std::pair<std::weak_ptr<WorldSocket>, uint64> linkInfo);
         LockedQueue<std::pair<std::weak_ptr<WorldSocket>, uint64>> _linkSocketQueue;
 
         // used versions