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Core/Log: Rotate logs when maximum size is exceeded, backup name will be "filename".datetime

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- This is an addition to 39c2d89
This commit is contained in:
Spp
2013-01-24 12:44:58 +01:00
parent 7c4d485d42
commit 23b6a6a7cd
3 changed files with 70 additions and 61 deletions
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11
src/server/authserver/authserver.conf.dist
View File

@@ -154,7 +154,7 @@ LoginDatabase.WorkerThreads = 1
# Appender config values: Given a appender "name"
# Appender.name
# Description: Defines 'where to log'
# Format: Type,LogLevel,Flags,optional1,optional2
# Format: Type,LogLevel,Flags,optional1,optional2,optional3
#
# Type
# 0 - (None)
@@ -205,6 +205,13 @@ LoginDatabase.WorkerThreads = 1
# a - (Append)
# w - (Overwrite)
#
# MaxFileSize: Maximum file size of the log file before creating a new log file
# (read as optional3 if Type = File)
# Size is measured in bytes expressed in a 64-bit unsigned integer.
# Maximum value is 4294967295 (4 gb). Leave blank for no limit.
# NOTE: Does not work with dynamic filenames.
# Example: 536870912 (512 mb)
#
Appender.Console=1,2,0
Appender.Auth=2,2,0,Auth.log,w
@@ -250,4 +257,4 @@ Logger.Root=0,3,Console Auth
Loggers=Root
#
###################################################################################################
###################################################################################################

115
src/server/shared/Logging/AppenderFile.cpp
View File

@@ -18,20 +18,71 @@
#include "AppenderFile.h"
#include "Common.h"
AppenderFile::AppenderFile(uint8 id, std::string const& name, LogLevel level, const char* _filename, const char* _logDir, const char* _mode, AppenderFlags _flags, uint64 fileSize)
: Appender(id, name, APPENDER_FILE, level, _flags)
, filename(_filename)
, logDir(_logDir)
, mode(_mode)
, _fileSize(fileSize)
AppenderFile::AppenderFile(uint8 id, std::string const& name, LogLevel level, const char* _filename, const char* _logDir, const char* _mode, AppenderFlags _flags, uint64 fileSize):
Appender(id, name, APPENDER_FILE, level, _flags),
filename(_filename),
logDir(_logDir),
mode(_mode),
maxFileSize(fileSize),
fileSize(0)
{
dynamicName = std::string::npos != filename.find("%s");
backup = _flags & APPENDER_FLAGS_MAKE_FILE_BACKUP;
logfile = !dynamicName ? OpenFile(_filename, _mode, backup) : NULL;
logfile = !dynamicName ? OpenFile(_filename, _mode, mode == "w" && backup) : NULL;
}
AppenderFile::~AppenderFile()
{
CloseFile();
}
void AppenderFile::_write(LogMessage const& message)
{
bool exceedMaxSize = maxFileSize > 0 && (fileSize + message.Size()) > maxFileSize;
if (dynamicName)
{
char namebuf[TRINITY_PATH_MAX];
snprintf(namebuf, TRINITY_PATH_MAX, filename.c_str(), message.param1.c_str());
logfile = OpenFile(namebuf, mode, backup || exceedMaxSize);
}
else if (exceedMaxSize)
logfile = OpenFile(filename, "w", true);
if (!logfile)
return;
fprintf(logfile, "%s%s", message.prefix.c_str(), message.text.c_str());
fflush(logfile);
fileSize += message.Size();
if (dynamicName)
CloseFile();
}
FILE* AppenderFile::OpenFile(std::string const &filename, std::string const &mode, bool backup)
{
std::string fullName(logDir + filename);
if (backup)
{
CloseFile();
std::string newName(fullName);
newName.push_back('.');
newName.append(LogMessage::getTimeStr(time(NULL)));
rename(fullName.c_str(), newName.c_str()); // no error handling... if we couldn't make a backup, just ignore
}
if (FILE* ret = fopen(fullName.c_str(), mode.c_str()))
{
fileSize = ftell(ret);
return ret;
}
return NULL;
}
void AppenderFile::CloseFile()
{
if (logfile)
{
@@ -39,53 +90,3 @@ AppenderFile::~AppenderFile()
logfile = NULL;
}
}
void AppenderFile::_write(LogMessage const& message)
{
if (dynamicName)
{
char namebuf[TRINITY_PATH_MAX];
snprintf(namebuf, TRINITY_PATH_MAX, filename.c_str(), message.param1.c_str());
logfile = OpenFile(namebuf, mode, backup);
_fileSize = ftell(logfile);
}
if (logfile)
{
if (!dynamicName && _fileSize + message.Size() > _maxFileSize)
{
/** @ We assume all log files have a .log extension.
If file "gol.log" is at its max capacity, this will spawn a new file, "gol_.log". If that one reaches capacity, it'll spawn "gol__.log", etc.
*/
filename.replace(filename.end() - 3, filename.end(), "_.log");
logfile = OpenFile(filename.c_str(), mode, backup);
_write(message);
return;
}
fprintf(logfile, "%s%s", message.prefix.c_str(), message.text.c_str());
fflush(logfile);
_fileSize += message.Size();
if (dynamicName)
{
fclose(logfile);
logfile = NULL;
}
}
}
FILE* AppenderFile::OpenFile(std::string const &filename, std::string const &mode, bool backup)
{
if (mode == "w" && backup)
{
std::string newName(filename);
newName.push_back('.');
newName.append(LogMessage::getTimeStr(time(NULL)));
rename(filename.c_str(), newName.c_str()); // no error handling... if we couldn't make a backup, just ignore
}
FILE* ret = fopen((logDir + filename).c_str(), mode.c_str());
_fileSize = ftell(ret);
return ret;
}

5
src/server/shared/Logging/AppenderFile.h
View File

@@ -28,6 +28,7 @@ class AppenderFile: public Appender
FILE* OpenFile(std::string const& _name, std::string const& _mode, bool _backup);
private:
void CloseFile();
void _write(LogMessage const& message);
FILE* logfile;
std::string filename;
@@ -35,8 +36,8 @@ class AppenderFile: public Appender
std::string mode;
bool dynamicName;
bool backup;
uint64 _maxFileSize;
uint64 _fileSize;
uint64 maxFileSize;
uint64 fileSize;
};
#endif