Core/Build: Merge common library and move database out of shared

1 files changed, 216 insertions, 0 deletions

diff --git a/src/common/Logging/Log.h b/src/common/Logging/Log.h
new file mode 100644
index 00000000000..a15bb4ad485
--- /dev/null
+++ b/src/common/Logging/Log.h
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 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 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 TRINITYCORE_LOG_H
+#define TRINITYCORE_LOG_H
+
+#include "Define.h"
+#include "Appender.h"
+#include "Logger.h"
+#include "StringFormat.h"
+#include "Common.h"
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/strand.hpp>
+
+#include <stdarg.h>
+#include <unordered_map>
+#include <string>
+#include <memory>
+
+#define LOGGER_ROOT "root"
+
+class Log
+{
+    typedef std::unordered_map<std::string, Logger> LoggerMap;
+
+    private:
+        Log();
+        ~Log();
+
+    public:
+
+        static Log* instance()
+        {
+            static Log instance;
+            return &instance;
+        }
+
+        void Initialize(boost::asio::io_service* ioService);
+        void LoadFromConfig();
+        void Close();
+        bool ShouldLog(std::string const& type, LogLevel level) const;
+        bool SetLogLevel(std::string const& name, char const* level, bool isLogger = true);
+
+        template<typename Format, typename... Args>
+        inline void outMessage(std::string const& filter, LogLevel const level, Format&& fmt, Args&&... args)
+        {
+            write(Trinity::make_unique<LogMessage>(level, filter,
+                Trinity::StringFormat(std::forward<Format>(fmt), std::forward<Args>(args)...)));
+        }
+
+        template<typename Format, typename... Args>
+        void outCommand(uint32 account, Format&& fmt, Args&&... args)
+        {
+            if (!ShouldLog("commands.gm", LOG_LEVEL_INFO))
+                return;
+
+            std::unique_ptr<LogMessage> msg =
+                Trinity::make_unique<LogMessage>(LOG_LEVEL_INFO, "commands.gm",
+                    Trinity::StringFormat(std::forward<Format>(fmt), std::forward<Args>(args)...));
+
+            msg->param1 = std::to_string(account);
+
+            write(std::move(msg));
+        }
+
+        void outCharDump(char const* str, uint32 account_id, uint64 guid, char const* name);
+
+        void SetRealmId(uint32 id);
+
+        template<class AppenderImpl>
+        void RegisterAppender()
+        {
+            using Index = typename AppenderImpl::TypeIndex;
+            auto itr = appenderFactory.find(Index::value);
+            ASSERT(itr == appenderFactory.end());
+            appenderFactory[Index::value] = &CreateAppender<AppenderImpl>;
+        }
+
+        std::string const& GetLogsDir() const { return m_logsDir; }
+        std::string const& GetLogsTimestamp() const { return m_logsTimestamp; }
+
+    private:
+        static std::string GetTimestampStr();
+        void write(std::unique_ptr<LogMessage>&& msg) const;
+
+        Logger const* GetLoggerByType(std::string const& type) const;
+        Appender* GetAppenderByName(std::string const& name);
+        uint8 NextAppenderId();
+        void CreateAppenderFromConfig(std::string const& name);
+        void CreateLoggerFromConfig(std::string const& name);
+        void ReadAppendersFromConfig();
+        void ReadLoggersFromConfig();
+
+        AppenderCreatorMap appenderFactory;
+        AppenderMap appenders;
+        LoggerMap loggers;
+        uint8 AppenderId;
+        LogLevel lowestLogLevel;
+
+        std::string m_logsDir;
+        std::string m_logsTimestamp;
+
+        boost::asio::io_service* _ioService;
+        boost::asio::strand* _strand;
+};
+
+inline Logger const* Log::GetLoggerByType(std::string const& type) const
+{
+    LoggerMap::const_iterator it = loggers.find(type);
+    if (it != loggers.end())
+        return &(it->second);
+
+    if (type == LOGGER_ROOT)
+        return NULL;
+
+    std::string parentLogger = LOGGER_ROOT;
+    size_t found = type.find_last_of(".");
+    if (found != std::string::npos)
+        parentLogger = type.substr(0,found);
+
+    return GetLoggerByType(parentLogger);
+}
+
+inline bool Log::ShouldLog(std::string const& type, LogLevel level) const
+{
+    // TODO: Use cache to store "Type.sub1.sub2": "Type" equivalence, should
+    // Speed up in cases where requesting "Type.sub1.sub2" but only configured
+    // Logger "Type"
+
+    // Don't even look for a logger if the LogLevel is lower than lowest log levels across all loggers
+    if (level < lowestLogLevel)
+        return false;
+
+    Logger const* logger = GetLoggerByType(type);
+    if (!logger)
+        return false;
+
+    LogLevel logLevel = logger->getLogLevel();
+    return logLevel != LOG_LEVEL_DISABLED && logLevel <= level;
+}
+
+#define sLog Log::instance()
+
+#define LOG_EXCEPTION_FREE(filterType__, level__, ...) \
+    { \
+        try \
+        { \
+            sLog->outMessage(filterType__, level__, __VA_ARGS__); \
+        } \
+        catch (std::exception& e) \
+        { \
+            sLog->outMessage("server", LOG_LEVEL_ERROR, "Wrong format occurred (%s) at %s:%u.", \
+                e.what(), __FILE__, __LINE__); \
+        } \
+    }
+
+#if PLATFORM != PLATFORM_WINDOWS
+void check_args(const char*, ...) ATTR_PRINTF(1, 2);
+void check_args(std::string const&, ...);
+
+// This will catch format errors on build time
+#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...)                 \
+        do {                                                            \
+            if (sLog->ShouldLog(filterType__, level__))                 \
+            {                                                           \
+                if (false)                                              \
+                    check_args(__VA_ARGS__);                            \
+                                                                        \
+                LOG_EXCEPTION_FREE(filterType__, level__, __VA_ARGS__); \
+            }                                                           \
+        } while (0)
+#else
+#define TC_LOG_MESSAGE_BODY(filterType__, level__, ...)                 \
+        __pragma(warning(push))                                         \
+        __pragma(warning(disable:4127))                                 \
+        do {                                                            \
+            if (sLog->ShouldLog(filterType__, level__))                 \
+                LOG_EXCEPTION_FREE(filterType__, level__, __VA_ARGS__); \
+        } while (0)                                                     \
+        __pragma(warning(pop))
+#endif
+
+#define TC_LOG_TRACE(filterType__, ...) \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_TRACE, __VA_ARGS__)
+
+#define TC_LOG_DEBUG(filterType__, ...) \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_DEBUG, __VA_ARGS__)
+
+#define TC_LOG_INFO(filterType__, ...)  \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_INFO, __VA_ARGS__)
+
+#define TC_LOG_WARN(filterType__, ...)  \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_WARN, __VA_ARGS__)
+
+#define TC_LOG_ERROR(filterType__, ...) \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_ERROR, __VA_ARGS__)
+
+#define TC_LOG_FATAL(filterType__, ...) \
+    TC_LOG_MESSAGE_BODY(filterType__, LOG_LEVEL_FATAL, __VA_ARGS__)
+
+#endif