feat(Core/Time): Implement saparated manager for game time (#8630)

src/server/game/Time/GameTime.cpp

@@ -0,0 +1,70 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "GameTime.h"
+#include "Timer.h"
+
+namespace GameTime
+{
+    using namespace std::chrono;
+
+    Seconds const StartTime = GetEpochTime();
+
+    Seconds GameTime = GetEpochTime();
+    Milliseconds GameMSTime = 0ms;
+
+    SystemTimePoint GameTimeSystemPoint = SystemTimePoint::min();
+    TimePoint GameTimeSteadyPoint = TimePoint::min();
+
+    Seconds GetStartTime()
+    {
+        return StartTime;
+    }
+
+    Seconds GetGameTime()
+    {
+        return GameTime;
+    }
+
+    Milliseconds GetGameTimeMS()
+    {
+        return GameMSTime;
+    }
+
+    SystemTimePoint GetSystemTime()
+    {
+        return GameTimeSystemPoint;
+    }
+
+    TimePoint Now()
+    {
+        return GameTimeSteadyPoint;
+    }
+
+    Seconds GetUptime()
+    {
+        return GameTime - StartTime;
+    }
+
+    void UpdateGameTimers()
+    {
+        GameTime = GetEpochTime();
+        GameMSTime = GetTimeMS();
+        GameTimeSystemPoint = system_clock::now();
+        GameTimeSteadyPoint = steady_clock::now();
+    }
+}

src/server/game/Time/GameTime.h

@@ -0,0 +1,48 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GAMETIME_H
+#define __GAMETIME_H
+
+#include "Define.h"
+#include "Duration.h"
+
+namespace GameTime
+{
+    // Server start time
+    AC_GAME_API Seconds GetStartTime();
+
+    // Current server time (unix)
+    AC_GAME_API Seconds GetGameTime();
+
+    // Milliseconds since server start
+    AC_GAME_API Milliseconds GetGameTimeMS();
+
+    /// Current chrono system_clock time point
+    AC_GAME_API SystemTimePoint GetSystemTime();
+
+    /// Current chrono steady_clock time point
+    AC_GAME_API TimePoint Now();
+
+    /// Uptime
+    AC_GAME_API Seconds GetUptime();
+
+    /// Update all timers
+    void UpdateGameTimers();
+}
+
+#endif

src/server/game/Time/UpdateTime.cpp

@@ -0,0 +1,124 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "UpdateTime.h"
+#include "Config.h"
+#include "Log.h"
+#include "Timer.h"
+
+// create instance
+WorldUpdateTime sWorldUpdateTime;
+
+UpdateTime::UpdateTime()
+{
+    _averageUpdateTime = 0;
+    _totalUpdateTime = 0;
+    _updateTimeTableIndex = 0;
+    _maxUpdateTime = 0;
+    _maxUpdateTimeOfLastTable = 0;
+    _maxUpdateTimeOfCurrentTable = 0;
+
+    _updateTimeDataTable = { };
+}
+
+uint32 UpdateTime::GetAverageUpdateTime() const
+{
+    return _averageUpdateTime;
+}
+
+uint32 UpdateTime::GetTimeWeightedAverageUpdateTime() const
+{
+    uint32 sum = 0, weightsum = 0;
+
+    for (uint32 diff : _updateTimeDataTable)
+    {
+        sum += diff * diff;
+        weightsum += diff;
+    }
+
+    if (weightsum == 0)
+        return 0;
+
+    return sum / weightsum;
+}
+
+uint32 UpdateTime::GetMaxUpdateTime() const
+{
+    return _maxUpdateTime;
+}
+
+uint32 UpdateTime::GetMaxUpdateTimeOfCurrentTable() const
+{
+    return std::max(_maxUpdateTimeOfCurrentTable, _maxUpdateTimeOfLastTable);
+}
+
+uint32 UpdateTime::GetLastUpdateTime() const
+{
+    return _updateTimeDataTable[_updateTimeTableIndex != 0 ? _updateTimeTableIndex - 1 : _updateTimeDataTable.size() - 1];
+}
+
+void UpdateTime::UpdateWithDiff(uint32 diff)
+{
+    _totalUpdateTime = _totalUpdateTime - _updateTimeDataTable[_updateTimeTableIndex] + diff;
+    _updateTimeDataTable[_updateTimeTableIndex] = diff;
+
+    if (diff > _maxUpdateTime)
+        _maxUpdateTime = diff;
+
+    if (diff > _maxUpdateTimeOfCurrentTable)
+        _maxUpdateTimeOfCurrentTable = diff;
+
+    if (++_updateTimeTableIndex >= _updateTimeDataTable.size())
+    {
+        _updateTimeTableIndex = 0;
+        _maxUpdateTimeOfLastTable = _maxUpdateTimeOfCurrentTable;
+        _maxUpdateTimeOfCurrentTable = 0;
+    }
+
+    if (_updateTimeDataTable[_updateTimeDataTable.size() - 1])
+        _averageUpdateTime = _totalUpdateTime / _updateTimeDataTable.size();
+    else if (_updateTimeTableIndex)
+        _averageUpdateTime = _totalUpdateTime / _updateTimeTableIndex;
+}
+
+void UpdateTime::RecordUpdateTimeReset()
+{
+    _recordedTime = GetTimeMS();
+}
+
+void WorldUpdateTime::LoadFromConfig()
+{
+    _recordUpdateTimeInverval = Milliseconds(sConfigMgr->GetOption<uint32>("RecordUpdateTimeDiffInterval", 60000));
+    _recordUpdateTimeMin = Milliseconds(sConfigMgr->GetOption<uint32>("MinRecordUpdateTimeDiff", 100));
+}
+
+void WorldUpdateTime::SetRecordUpdateTimeInterval(Milliseconds t)
+{
+    _recordUpdateTimeInverval = t;
+}
+
+void WorldUpdateTime::RecordUpdateTime(Milliseconds gameTimeMs, uint32 diff, uint32 sessionCount)
+{
+    if (_recordUpdateTimeInverval > 0s && diff > _recordUpdateTimeMin.count())
+    {
+        if (GetMSTimeDiff(_lastRecordTime, gameTimeMs) > _recordUpdateTimeInverval)
+        {
+            FMT_LOG_INFO("time.update", "Update time diff: {}. Players online: {}.", GetAverageUpdateTime(), sessionCount);
+            _lastRecordTime = gameTimeMs;
+        }
+    }
+}

src/server/game/Time/UpdateTime.h

@@ -0,0 +1,75 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __UPDATETIME_H
+#define __UPDATETIME_H
+
+#include "Define.h"
+#include "Duration.h"
+#include <array>
+#include <string>
+
+constexpr auto AVG_DIFF_COUNT = 500;
+
+class AC_GAME_API UpdateTime
+{
+using DiffTableArray = std::array<uint32, AVG_DIFF_COUNT>;
+
+public:
+    uint32 GetAverageUpdateTime() const;
+    uint32 GetTimeWeightedAverageUpdateTime() const;
+    uint32 GetMaxUpdateTime() const;
+    uint32 GetMaxUpdateTimeOfCurrentTable() const;
+    uint32 GetLastUpdateTime() const;
+
+    void UpdateWithDiff(uint32 diff);
+
+    void RecordUpdateTimeReset();
+
+protected:
+    UpdateTime();
+
+private:
+    DiffTableArray _updateTimeDataTable;
+    uint32 _averageUpdateTime;
+    uint32 _totalUpdateTime;
+    uint32 _updateTimeTableIndex;
+    uint32 _maxUpdateTime;
+    uint32 _maxUpdateTimeOfLastTable;
+    uint32 _maxUpdateTimeOfCurrentTable;
+
+    Milliseconds _recordedTime;
+};
+
+class AC_GAME_API WorldUpdateTime : public UpdateTime
+{
+public:
+    WorldUpdateTime() : UpdateTime(), _recordUpdateTimeInverval(0), _recordUpdateTimeMin(0), _lastRecordTime(0) { }
+    void LoadFromConfig();
+    void SetRecordUpdateTimeInterval(Milliseconds t);
+    void RecordUpdateTime(Milliseconds gameTimeMs, uint32 diff, uint32 sessionCount);
+    void RecordUpdateTimeDuration(std::string const& text);
+
+private:
+    Milliseconds _recordUpdateTimeInverval;
+    Milliseconds _recordUpdateTimeMin;
+    Milliseconds _lastRecordTime;
+};
+
+AC_GAME_API extern WorldUpdateTime sWorldUpdateTime;
+
+#endif