Addons/AddonMgr: converted from singleton to namespace with free functions

src/server/game/Addons/AddonMgr.cpp

@@ -16,27 +16,31 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "DatabaseEnv.h"
 #include "AddonMgr.h"
-#include "ObjectAccessor.h"
-#include "Player.h"
-#include "Util.h"
-#include "SHA1.h"
+#include "DatabaseEnv.h"
+#include "Log.h"
+#include "Timer.h"
 
-AddonMgr::AddonMgr()
+#include <list>
+
+namespace AddonMgr
 {
+
+// Anonymous namespace ensures file scope of all the stuff inside it, even
+// if you add something more to this namespace somewhere else.
+namespace
+{
+    // List of saved addons (in DB).
+    typedef std::list<SavedAddon> SavedAddonsList;
+
+    SavedAddonsList m_knownAddons;
 }
 
-AddonMgr::~AddonMgr()
-{
-}
-
-void AddonMgr::LoadFromDB()
+void LoadFromDB()
 {
     uint32 oldMSTime = getMSTime();
 
     QueryResult result = CharacterDatabase.Query("SELECT name, crc FROM addons");
-
     if (!result)
     {
         sLog->outString(">> Loaded 0 known addons. DB table `addons` is empty!");
@@ -53,8 +57,7 @@ void AddonMgr::LoadFromDB()
         std::string name = fields[0].GetString();
         uint32 crc = fields[1].GetUInt32();
 
-        SavedAddon addon(name, crc);
-        m_knownAddons.push_back(addon);
+        m_knownAddons.push_back(SavedAddon(name, crc));
 
         ++count;
     }
@@ -64,17 +67,16 @@ void AddonMgr::LoadFromDB()
     sLog->outString();
 }
 
-void AddonMgr::SaveAddon(AddonInfo const& addon)
+void SaveAddon(AddonInfo const& addon)
 {
     std::string name = addon.Name;
     CharacterDatabase.EscapeString(name);
     CharacterDatabase.PExecute("INSERT INTO addons (name, crc) VALUES ('%s', %u)", name.c_str(), addon.CRC);
 
-    SavedAddon newAddon(addon.Name, addon.CRC);
-    m_knownAddons.push_back(newAddon);
+    m_knownAddons.push_back(SavedAddon(addon.Name, addon.CRC));
 }
 
-SavedAddon const* AddonMgr::GetAddonInfo(const std::string& name) const
+SavedAddon const* GetAddonInfo(const std::string& name)
 {
     for (SavedAddonsList::const_iterator it = m_knownAddons.begin(); it != m_knownAddons.end(); ++it)
     {
@@ -85,3 +87,5 @@ SavedAddon const* AddonMgr::GetAddonInfo(const std::string& name) const
 
     return NULL;
 }
+
+} // Namespace

src/server/game/Addons/AddonMgr.h

@@ -19,13 +19,9 @@
 #ifndef _ADDONMGR_H
 #define _ADDONMGR_H
 
-#include "Common.h"
-#include <ace/Singleton.h>
-
+#include "Define.h"
 #include <string>
 
-class WorldSession;
-
 struct AddonInfo
 {
     AddonInfo(const std::string& name, uint8 enabled, uint32 crc, uint8 state, bool crcOrPubKey)
@@ -56,33 +52,14 @@ struct SavedAddon
     uint32 CRC;
 };
 
-// List of client addons (for WorldSession).
-typedef std::list<AddonInfo> AddonsList;
-
-// List of saved addons (in DB).
-typedef std::list<SavedAddon> SavedAddonsList;
-
 #define STANDARD_ADDON_CRC 0x4c1c776d
 
-class AddonMgr
+namespace AddonMgr
 {
-    friend class ACE_Singleton<AddonMgr, ACE_Null_Mutex>;
-    AddonMgr();
-    ~AddonMgr();
-
-    public:
-
     void LoadFromDB();
     void SaveAddon(AddonInfo const& addon);
-
-        SavedAddon const* GetAddonInfo(const std::string& name) const;
-
-    private:
-
-        SavedAddonsList m_knownAddons;                           // Known addons.
-};
-
-#define sAddonMgr ACE_Singleton<AddonMgr, ACE_Null_Mutex>::instance()
+    SavedAddon const* GetAddonInfo(const std::string& name);
+}
 
 #endif
 

src/server/game/AuctionHouse/AuctionHouseMgr.h

@@ -124,6 +124,8 @@ class AuctionHouseObject
 class AuctionHouseMgr
 {
     friend class ACE_Singleton<AuctionHouseMgr, ACE_Null_Mutex>;
+
+    private:
         AuctionHouseMgr();
         ~AuctionHouseMgr();
 

src/server/game/Server/WorldSession.cpp

@@ -868,7 +868,7 @@ void WorldSession::ReadAddonsInfo(WorldPacket &data)
 
             AddonInfo addon(addonName, enabled, crc, 2, true);
 
-            SavedAddon const* savedAddon = sAddonMgr->GetAddonInfo(addonName);
+            SavedAddon const* savedAddon = AddonMgr::GetAddonInfo(addonName);
             if (savedAddon)
             {
                 bool match = true;
@@ -883,7 +883,7 @@ void WorldSession::ReadAddonsInfo(WorldPacket &data)
             }
             else
             {
-                sAddonMgr->SaveAddon(addon);
+                AddonMgr::SaveAddon(addon);
 
                 sLog->outDetail("ADDON: %s (0x%x) was not known, saving...", addon.Name.c_str(), addon.CRC);
             }

src/server/game/Server/WorldSession.h

@@ -939,6 +939,8 @@ class WorldSession
         uint32 _accountId;
         uint8 m_expansion;
 
+        typedef std::list<AddonInfo> AddonsList;
+
         time_t _logoutTime;
         bool m_inQueue;                                     // session wait in auth.queue
         bool m_playerLoading;                               // code processed in LoginPlayer

src/server/game/World/World.cpp

@@ -1586,7 +1586,7 @@ void World::SetInitialWorldSettings()
     sTicketMgr->LoadSurveys();
 
     sLog->outString("Loading client addons...");
-    sAddonMgr->LoadFromDB();
+    AddonMgr::LoadFromDB();
 
     ///- Handle outdated emails (delete/return)
     sLog->outString("Returning old mails...");