feat(Core/Logging): rework logging (#4692)

* feat(Core/Logging): rework logging

* correct level for sql.sql

* del unused config options

* Correct build

* correct after merge

* whitespace

20:29:37 1. 'Player.cpp'. Replace (1)
20:29:37 2. 'ObjectMgr.cpp'. Replace (3)

* 1

* correct logging

* correct affter merge

* 1

* 2

* LOG_LEVEL_WARN

* #include "AppenderDB.h"

* 3

* 4

* 5

* 1. 'WorldSocket.cpp'. Replace (1)

* 6

* 1

src/common/Logging/AppenderFile.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
+ * Copyright (C) 2008-2021 TrinityCore <http://www.trinitycore.org/>
+ */
+
+#ifndef APPENDERFILE_H
+#define APPENDERFILE_H
+
+#include "Appender.h"
+#include <atomic>
+
+class AppenderFile : public Appender
+{
+public:
+    static constexpr AppenderType type = APPENDER_FILE;
+
+    AppenderFile(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, std::vector<std::string_view> const& args);
+    ~AppenderFile();
+    FILE* OpenFile(std::string const& name, std::string const& mode, bool backup);
+    AppenderType getType() const override { return type; }
+
+private:
+    void CloseFile();
+    void _write(LogMessage const* message) override;
+    FILE* logfile;
+    std::string _fileName;
+    std::string _logDir;
+    bool _dynamicName;
+    bool _backup;
+    uint64 _maxFileSize;
+    std::atomic<uint64> _fileSize;
+};
+
+#endif