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#ifndef __log_h__
#define __log_h__
#include <stdio.h>
#include <tchar.h>
#include <crtdbg.h>
#include <windows.h>
#include <time.h>
#include <sys timeb.h= "" > Class CLog {
Public
~clog ();
Static clog* Get (tchar* path = NULL);
void printf (const char* format, ...); Private
CLog (file* handle); Private
Static clog* _log;
File* _handle;
}; enum {
Log_debug,
Log_info,
Log_warn,
Log_error,
Log_fatal
}; #ifdef _DEBUG
static unsigned int log_level = Log_debug;
#else
static unsigned int log_level = Log_info;
#endif #define PRINT_LINE (type, format, datetime, MS, ...) \
printf ("%lu::%s::%s,%.3d::%s::" format "\ \", GetCurrentThreadID (), type, datetime, MS, \
__function__, # # __va_args__); #define LOG (type, format, ...) do {\
if (type >= log_level && type <= log_fatal) {\
clog* log = Clog::get (); \
const char *type_as_char[] = {"DEBUG", "INFO", "WARN", "ERROR", "FATAL"}; \
struct _TIMEB now; \
struct TM today; \
Char datetime_str[20]; \
_ftime_s (&now); \
localtime_s (&today, &now.time); \
Strftime (Datetime_str, "%y-%m-%d%h:%m:%s", &today); \
if (log) {\
Log->print_line (Type_as_char[type], format, DATETIME_STR, NOW.MILLITM, # # __va_args__); \
} else {\
Print_line (Type_as_char[type], format, DATETIME_STR, NOW.MILLITM, # # __va_args__); \
} \
} \
} while (0)
#define LOG_PRINTF (format, ...) LOG (Log_info, format, # # __va_args__)
#define LOG_INFO (format, ...) LOG (Log_info, format, # # __va_args__)
#define LOG_WARN (format, ...) LOG (Log_warn, format, # # __va_args__)
#define LOG_ERROR (format, ...) LOG (Log_error, format, # # __va_args__)
#define DBGLEVEL 1000 #define DBG (level, format, ...) do {\
if (level <= dbglevel) {\
LOG (Log_debug, format, # # __va_args__); \
} \
} while (0) #define ASSERT (x) _asserte (x)
#endif
</sys></time.h></windows.h></crtdbg.h></tchar.h></stdio.h> Log.cpp #include "Log.h"
#include <stdio.h>
#include <stdarg.h>
#include <share.h> #define LOG_ROLL_SIZE (1024 * 1024) clog* clog::_log = NULL; Clog::clog (file* handle)
: _handle (handle)
{
_log = this;
} Clog::~clog ()
{
if (_log && _handle) {
Fclose (_handle);
_log = NULL;
}
} clog* clog::get (char* path)
{
if (_log) {
return _log;
}
if (!path)
{
Path = "Dll.log";
}
DWORD size = 0;
HANDLE file = CreateFile (path, generic_read, 0, NULL, open_existing, File_attribute_normal,
NULL);
if (file!= invalid_handle_value) {
Size = GetFileSize (file, NULL);
CloseHandle (file);
}
if (size!= invalid_file_size && size > Log_roll_size) {
TCHAR Roll_path[max_path];
sprintf (Roll_path, "%s.1", Path);
if (! MoveFileEx (Path, Roll_path, movefile_replace_existing)) {
return NULL;
}
}
file* handle = fopen (path, "A +");
if (!handle) {
return NULL;
}
_log = new CLog (handle);
return _log;
} void CLog::p rintf (const char* format, ...)
{
Va_list args; Va_start (args, format);
vfprintf (_handle, format, args);
Va_end (args);
Fflush (_handle);
}
</share.h></stdarg.h></stdio.h> |
