Make RealmList a Singleton.

Patch by Anubiss

--HG--
branch : trunk

src/game/World.cpp

@@ -1711,7 +1711,7 @@ void World::SetInitialWorldSettings()
 
 void World::DetectDBCLang()
 {
-    uint8 m_lang_confid = sConfig.GetIntDefault("DBC.Locale", 255);
+    uint16 m_lang_confid = sConfig.GetIntDefault("DBC.Locale", 255);
 
     if (m_lang_confid != 255 && m_lang_confid >= MAX_LOCALE)
     {

src/trinityrealm/AuthSocket.cpp

@@ -34,8 +34,6 @@
 #include "Auth/Sha1.h"
 //#include "Util.h" -- for commented utf8ToUpperOnlyLatin
 
-extern RealmList m_realmList;
-
 extern DatabaseType loginDatabase;
 
 #define ChunkSize 2048
@@ -816,21 +814,20 @@ bool AuthSocket::_HandleRealmList()
     std::string rI = (*result)[1].GetCppString();
 
     ///- Update realm list if need
-    m_realmList.UpdateIfNeed();
+    sRealmList->UpdateIfNeed();
 
     RealmList::RealmMap::const_iterator rlm;
-    RealmList built_realmList;
-    for (rlm = m_realmList.begin(); rlm != m_realmList.end(); ++rlm)
+    for (rlm = sRealmList->begin(); rlm != sRealmList->end(); ++rlm)
     {
         if ( _expversion & POST_BC_EXP_FLAG )//2.4.3 and 3.1.3 cliens
         {
             if (rlm->second.gamebuild == _build)
-                built_realmList.AddRealm(rlm->second);
+                sRealmList->AddRealm(rlm->second);
         }
         else if ( _expversion & PRE_BC_EXP_FLAG )//1.12.1 and 1.12.2 clients are compatible with eachother
         {
             if ( AuthHelper::IsPreBCAcceptedClientBuild ( rlm->second.gamebuild ) )
-                built_realmList.AddRealm(rlm->second);
+                sRealmList->AddRealm(rlm->second);
         }
 
     }
@@ -839,12 +836,12 @@ bool AuthSocket::_HandleRealmList()
     ByteBuffer pkt;
     pkt << (uint32) 0;
     if (  _expversion & POST_BC_EXP_FLAG )//only 2.4.3 and 3.1.3 cliens
-        pkt << (uint16) built_realmList.size();
+        pkt << (uint16) sRealmList->size();
     else
-        pkt << (uint32) built_realmList.size();
+        pkt << (uint32) sRealmList->size();
 
     RealmList::RealmMap::const_iterator i;
-    for (i = built_realmList.begin(); i != built_realmList.end(); ++i)
+    for (i = sRealmList->begin(); i != sRealmList->end(); ++i)
     {
         uint8 AmountOfCharacters;
 

src/trinityrealm/Main.cpp

@@ -61,7 +61,6 @@ void UnhookSignals();
 void HookSignals();
 
 bool stopEvent = false;                                     ///< Setting it to true stops the server
-RealmList m_realmList;                                      ///< Holds the list of realms for this server
 
 DatabaseType loginDatabase;                                 ///< Accessor to the realm server database
 
@@ -194,8 +193,8 @@ extern int main(int argc, char **argv)
     }
 
     ///- Get the list of realms for the server
-    m_realmList.Initialize(sConfig.GetIntDefault("RealmsStateUpdateDelay", 20));
-    if (m_realmList.size() == 0)
+    sRealmList->Initialize(sConfig.GetIntDefault("RealmsStateUpdateDelay", 20));
+    if (sRealmList->size() == 0)
     {
         sLog.outError("No valid realms specified.");
         return 1;

src/trinityrealm/RealmList.cpp

@@ -24,10 +24,8 @@
 
 #include "Common.h"
 #include "RealmList.h"
-#include "Policies/SingletonImp.h"
 #include "Database/DatabaseEnv.h"
 
-INSTANTIATE_SINGLETON_1(RealmList);
 
 extern DatabaseType loginDatabase;
 

src/trinityrealm/RealmList.h

@@ -25,6 +25,8 @@
 #ifndef _REALMLIST_H
 #define _REALMLIST_H
 
+#include <ace/Singleton.h>
+#include <ace/Null_Mutex.h>
 #include "Common.h"
 
 /// Storage object for a realm
@@ -45,6 +47,9 @@ struct Realm
 class RealmList
 {
     public:
+        // Null_Mutex is safe because the singleton initialized before the acceptor initialized(another place where the singleton called)
+        static RealmList* instance() { return ACE_Singleton<RealmList, ACE_Null_Mutex>::instance(); }
+
         typedef std::map<std::string, Realm> RealmMap;
 
         RealmList();
@@ -67,5 +72,8 @@ class RealmList
         uint32   m_UpdateInterval;
         time_t   m_NextUpdateTime;
 };
+
+#define sRealmList RealmList::instance()
+
 #endif
 /// @}