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#include "stdafx.h"
#include "ServerLogger.h"
#include "Common\\StringUtils.h"
#include "vendor\\linenoise\\linenoise.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
namespace ServerRuntime
{
static volatile LONG g_minLogLevel = (LONG)eServerLogLevel_Info;
static const char *NormalizeCategory(const char *category)
{
if (category == NULL || category[0] == 0)
{
return "server";
}
return category;
}
static const char *LogLevelToString(EServerLogLevel level)
{
switch (level)
{
case eServerLogLevel_Debug:
return "DEBUG";
case eServerLogLevel_Info:
return "INFO";
case eServerLogLevel_Warn:
return "WARN";
case eServerLogLevel_Error:
return "ERROR";
default:
return "INFO";
}
}
static WORD LogLevelToColor(EServerLogLevel level)
{
switch (level)
{
case eServerLogLevel_Debug:
return FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
case eServerLogLevel_Warn:
return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
case eServerLogLevel_Error:
return FOREGROUND_RED | FOREGROUND_INTENSITY;
case eServerLogLevel_Info:
default:
return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
}
}
static void BuildTimestamp(char *buffer, size_t bufferSize)
{
if (buffer == NULL || bufferSize == 0)
{
return;
}
SYSTEMTIME localTime;
GetLocalTime(&localTime);
sprintf_s(
buffer,
bufferSize,
"%04u-%02u-%02u %02u:%02u:%02u.%03u",
(unsigned)localTime.wYear,
(unsigned)localTime.wMonth,
(unsigned)localTime.wDay,
(unsigned)localTime.wHour,
(unsigned)localTime.wMinute,
(unsigned)localTime.wSecond,
(unsigned)localTime.wMilliseconds);
}
static bool ShouldLog(EServerLogLevel level)
{
return ((LONG)level >= g_minLogLevel);
}
static void WriteLogLine(EServerLogLevel level, const char *category, const char *message)
{
if (!ShouldLog(level))
{
return;
}
linenoiseExternalWriteBegin();
const char *safeCategory = NormalizeCategory(category);
const char *safeMessage = (message != NULL) ? message : "";
char timestamp[32] = {};
BuildTimestamp(timestamp, sizeof(timestamp));
HANDLE stdoutHandle = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO originalInfo;
bool hasColorConsole = false;
if (stdoutHandle != INVALID_HANDLE_VALUE && stdoutHandle != NULL)
{
if (GetConsoleScreenBufferInfo(stdoutHandle, &originalInfo))
{
hasColorConsole = true;
SetConsoleTextAttribute(stdoutHandle, LogLevelToColor(level));
}
}
printf(
"[%s][%s][%s] %s\n",
timestamp,
LogLevelToString(level),
safeCategory,
safeMessage);
fflush(stdout);
if (hasColorConsole)
{
SetConsoleTextAttribute(stdoutHandle, originalInfo.wAttributes);
}
linenoiseExternalWriteEnd();
}
static void WriteLogLineV(EServerLogLevel level, const char *category, const char *format, va_list args)
{
char messageBuffer[2048] = {};
if (format == NULL)
{
WriteLogLine(level, category, "");
return;
}
vsnprintf_s(messageBuffer, sizeof(messageBuffer), _TRUNCATE, format, args);
WriteLogLine(level, category, messageBuffer);
}
bool TryParseServerLogLevel(const char *value, EServerLogLevel *outLevel)
{
if (value == NULL || outLevel == NULL)
{
return false;
}
if (_stricmp(value, "debug") == 0)
{
*outLevel = eServerLogLevel_Debug;
return true;
}
if (_stricmp(value, "info") == 0)
{
*outLevel = eServerLogLevel_Info;
return true;
}
if (_stricmp(value, "warn") == 0 || _stricmp(value, "warning") == 0)
{
*outLevel = eServerLogLevel_Warn;
return true;
}
if (_stricmp(value, "error") == 0)
{
*outLevel = eServerLogLevel_Error;
return true;
}
return false;
}
void SetServerLogLevel(EServerLogLevel level)
{
if (level < eServerLogLevel_Debug)
{
level = eServerLogLevel_Debug;
}
else if (level > eServerLogLevel_Error)
{
level = eServerLogLevel_Error;
}
g_minLogLevel = (LONG)level;
}
EServerLogLevel GetServerLogLevel()
{
return (EServerLogLevel)g_minLogLevel;
}
void LogDebug(const char *category, const char *message)
{
WriteLogLine(eServerLogLevel_Debug, category, message);
}
void LogInfo(const char *category, const char *message)
{
WriteLogLine(eServerLogLevel_Info, category, message);
}
void LogWarn(const char *category, const char *message)
{
WriteLogLine(eServerLogLevel_Warn, category, message);
}
void LogError(const char *category, const char *message)
{
WriteLogLine(eServerLogLevel_Error, category, message);
}
void LogDebugf(const char *category, const char *format, ...)
{
va_list args;
va_start(args, format);
WriteLogLineV(eServerLogLevel_Debug, category, format, args);
va_end(args);
}
void LogInfof(const char *category, const char *format, ...)
{
va_list args;
va_start(args, format);
WriteLogLineV(eServerLogLevel_Info, category, format, args);
va_end(args);
}
void LogWarnf(const char *category, const char *format, ...)
{
va_list args;
va_start(args, format);
WriteLogLineV(eServerLogLevel_Warn, category, format, args);
va_end(args);
}
void LogErrorf(const char *category, const char *format, ...)
{
va_list args;
va_start(args, format);
WriteLogLineV(eServerLogLevel_Error, category, format, args);
va_end(args);
}
void LogStartupStep(const char *message)
{
LogInfo("startup", message);
}
void LogWorldIO(const char *message)
{
LogInfo("world-io", message);
}
void LogWorldName(const char *prefix, const std::wstring &name)
{
std::string utf8 = StringUtils::WideToUtf8(name);
LogInfof("world-io", "%s: %s", (prefix != NULL) ? prefix : "name", utf8.c_str());
}
}
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