Core/Misc: Add configuration option for setting the update interval of the Who list cache (#30750)

Author: Jildor

src/server/game/World/World.cpp

@@ -1426,6 +1426,18 @@ void World::LoadConfigSettings(bool reload)
     TC_LOG_INFO("server.loading", "VMap data directory is: {}vmaps", m_dataPath);
 
     m_int_configs[CONFIG_MAX_WHO] = sConfigMgr->GetIntDefault("MaxWhoListReturns", 49);
+    m_int_configs[CONFIG_WHO_LIST_UPDATE_INTERVAL] = sConfigMgr->GetIntDefault("WhoList.Update.Interval", 5);
+    if (int32(m_int_configs[CONFIG_WHO_LIST_UPDATE_INTERVAL]) <= 0)
+    {
+        TC_LOG_ERROR("server.loading", "WhoList.Update.Interval ({}) must be > 0, set to default 5 seconds.", m_int_configs[CONFIG_WHO_LIST_UPDATE_INTERVAL]);
+        m_int_configs[CONFIG_WHO_LIST_UPDATE_INTERVAL] = 5;
+    }
+    if (reload)
+    {
+        m_timers[WUPDATE_WHO_LIST].SetInterval(m_int_configs[CONFIG_WHO_LIST_UPDATE_INTERVAL] * IN_MILLISECONDS);
+        m_timers[WUPDATE_WHO_LIST].Reset();
+    }
+
     m_bool_configs[CONFIG_START_ALL_SPELLS] = sConfigMgr->GetBoolDefault("PlayerStart.AllSpells", false);
     m_int_configs[CONFIG_HONOR_AFTER_DUEL] = sConfigMgr->GetIntDefault("HonorPointsAfterDuel", 0);
     m_bool_configs[CONFIG_RESET_DUEL_COOLDOWNS] = sConfigMgr->GetBoolDefault("ResetDuelCooldowns", false);
@@ -2144,7 +2156,7 @@ void World::SetInitialWorldSettings()
 
     m_timers[WUPDATE_CHECK_FILECHANGES].SetInterval(500);
 
-    m_timers[WUPDATE_WHO_LIST].SetInterval(5 * IN_MILLISECONDS); // update who list cache every 5 seconds
+    m_timers[WUPDATE_WHO_LIST].SetInterval(getIntConfig(CONFIG_WHO_LIST_UPDATE_INTERVAL) * IN_MILLISECONDS); // update who list cache every 5 seconds
 
     m_timers[WUPDATE_CHANNEL_SAVE].SetInterval(getIntConfig(CONFIG_PRESERVE_CUSTOM_CHANNEL_INTERVAL) * MINUTE * IN_MILLISECONDS);
 

src/server/game/World/World.h

@@ -324,6 +324,7 @@ enum WorldIntConfigs : uint32
     CONFIG_ARENA_START_PERSONAL_RATING,
     CONFIG_ARENA_START_MATCHMAKER_RATING,
     CONFIG_MAX_WHO,
+    CONFIG_WHO_LIST_UPDATE_INTERVAL,
     CONFIG_HONOR_AFTER_DUEL,
     CONFIG_PVP_TOKEN_MAP_TYPE,
     CONFIG_PVP_TOKEN_ID,

src/server/worldserver/worldserver.conf.dist

@@ -715,6 +715,13 @@ ArenaTeam.CharterCost.5v5 = 2000000
 
 MaxWhoListReturns = 49
 
+#
+#    WhoList.Update.Interval
+#        Description: Interval in seconds for Who List to get updated
+#        Default:     5 (seconds)
+
+WhoList.Update.Interval = 5
+
 #
 #    CharacterCreating.Disabled
 #        Description: Disable character creation for players based on faction.