[CORE] implemented multiple configuration files loading

currently it's used to load the default [auth|world]server.conf.dist

but you can use sConfigMgr->LoadMore to load your custom config

in your modules to add/overwrite properties

src/server/authserver/Main.cpp

@@ -104,7 +104,15 @@ extern int main(int argc, char** argv)
         ++count;
     }
 
-    if (!sConfigMgr->LoadInitial(configFile))
+    std::string cfg_def_file=_TRINITY_REALM_CONFIG;
+    cfg_def_file += ".dist";
+
+    if (!sConfigMgr->LoadInitial(cfg_def_file.c_str())) {
+        printf("Invalid or missing default configuration file : %s\n", cfg_def_file.c_str());
+        return 1;
+    }
+
+    if (!sConfigMgr->LoadMore(configFile))
     {
         printf("Invalid or missing configuration file : %s\n", configFile);
         printf("Verify that the file exists and has \'[authserver]\' written in the top of the file!\n");

src/server/game/World/World.cpp

@@ -429,7 +429,7 @@ void World::LoadConfigSettings(bool reload)
     {
         if (!sConfigMgr->Reload())
         {
-            sLog->outError("World settings reload fail: can't read settings from %s.", sConfigMgr->GetFilename().c_str());
+            sLog->outError("World settings reload fail: can't read settings.");
             return;
         }
 

src/server/shared/Configuration/Config.cpp

@@ -49,10 +49,9 @@ bool ConfigMgr::LoadInitial(char const* file)
 
     GuardType guard(_configLock);
 
-    _filename = file;
     _config.reset(new ACE_Configuration_Heap());
     if (_config->open() == 0)
-        if (LoadData(_filename.c_str()))
+        if (LoadData(file))
             return true;
 
     _config.reset();
@@ -71,11 +70,25 @@ bool ConfigMgr::LoadMore(char const* file)
 
 bool ConfigMgr::Reload()
 {
-    return LoadInitial(_filename.c_str());
+    for(std::vector<std::string>::iterator it = _confFiles.begin(); it != _confFiles.end(); ++it) {
+        if (it==_confFiles.begin()) {
+            if (!LoadInitial((*it).c_str()))
+                return false;
+        } else {
+            if (!LoadMore((*it).c_str()))
+                return false;
+        }
+    }
+
+    return true;
 }
 
 bool ConfigMgr::LoadData(char const* file)
 {
+    if(std::find(_confFiles.begin(), _confFiles.end(), file) == _confFiles.end()) {
+        _confFiles.push_back(file);
+    }
+
     ACE_Ini_ImpExp config_importer(*_config.get());
     if (config_importer.import_config(file) == 0)
         return true;
@@ -112,12 +125,6 @@ float ConfigMgr::GetFloatDefault(const char* name, float def)
     return GetValueHelper(name, val) ? (float)atof(val.c_str()) : def;
 }
 
-std::string const& ConfigMgr::GetFilename()
-{
-    GuardType guard(_configLock);
-    return _filename;
-}
-
 std::list<std::string> ConfigMgr::GetKeysByString(std::string const& name)
 {
     GuardType guard(_configLock);

src/server/shared/Configuration/Config.h

@@ -21,6 +21,7 @@
 
 #include <string>
 #include <list>
+#include <vector>
 #include <ace/Singleton.h>
 #include <ace/Configuration_Import_Export.h>
 #include <ace/Thread_Mutex.h>
@@ -55,7 +56,6 @@ public:
     int GetIntDefault(const char* name, int def);
     float GetFloatDefault(const char* name, float def);
 
-    std::string const& GetFilename();
     std::list<std::string> GetKeysByString(std::string const& name);
 
 private:
@@ -65,7 +65,7 @@ private:
     typedef ACE_Thread_Mutex LockType;
     typedef ACE_Guard<LockType> GuardType;
 
-    std::string _filename;
+    std::vector<std::string> _confFiles;
     Config _config;
     LockType _configLock;
 

src/server/worldserver/Main.cpp

@@ -125,12 +125,21 @@ extern int main(int argc, char** argv)
         ++c;
     }
 
-    if (!sConfigMgr->LoadInitial(cfg_file))
+    std::string cfg_def_file=_TRINITY_CORE_CONFIG;
+    cfg_def_file += ".dist";
+
+    if (!sConfigMgr->LoadInitial(cfg_def_file.c_str())) {
+        printf("Invalid or missing default configuration file : %s\n", cfg_def_file.c_str());
+        return 1;
+    }
+
+    if (!sConfigMgr->LoadMore(cfg_file))
     {
         printf("Invalid or missing configuration file : %s\n", cfg_file);
         printf("Verify that the file exists and has \'[worldserver]' written in the top of the file!\n");
         return 1;
     }
+
     sLog->outString("Using configuration file %s.", cfg_file);
 
     sLog->outString("Using SSL version: %s (library: %s)", OPENSSL_VERSION_TEXT, SSLeay_version(SSLEAY_VERSION));