[Common] Get logs to track file size

Source/Common/FileClass.cpp

@@ -222,7 +222,9 @@ bool CFile::Flush()
 
     return ::FlushFileBuffers(m_hFile) != 0;
 #else
-    return fflush((FILE *)m_hFile) == 0;
+    fflush((FILE *)m_hFile);
+    fsync(fileno((FILE *)m_hFile));
+    return true;
 #endif
 }
 

Source/Common/LogClass.cpp

@@ -7,7 +7,8 @@ CLog::CLog (void ) :
 	m_FlushOnWrite(false),
 	m_TruncateFileLog(true),
 	m_MaxFileSize(MAX_FILE_SIZE),
-	m_FileChangeSize(0)
+	m_FileChangeSize(0),    
+    m_FileSize(0)
 {
 }
 
@@ -37,6 +38,7 @@ bool CLog::Open( const char * FileName, LOG_OPEN_MODE mode /* = Log_New  */)
 	}
 	m_FileName = (const char *)File;
 	m_hLogFile.Seek(0,mode == Log_Append ? CFile::end : CFile::begin);
+    m_FileSize = mode == Log_Append ? m_hLogFile.GetLength() : 0;
 	return true;
 }
 
@@ -80,23 +82,25 @@ void CLog::LogArgs(const char * Message, va_list & args )
 void CLog::Log( const char * Message )
 {
 	if (!m_hLogFile.IsOpen()) { return; }
-	m_hLogFile.Write(Message,(uint32_t)strlen(Message)*sizeof(char));
+    uint32_t message_len = strlen(Message);
+	m_hLogFile.Write(Message, message_len);
 	if (m_FlushOnWrite)
 	{
 		m_hLogFile.Flush();
 	}
 
-	if (m_TruncateFileLog)
+    m_FileSize += message_len;
+	if (m_TruncateFileLog && m_FileSize > m_MaxFileSize)
 	{
 		// check file size
-		uint32_t FileSize = m_hLogFile.GetLength();
+        m_FileSize = m_hLogFile.GetLength();
 		// if larger then max size then
-		if (FileSize > m_MaxFileSize)
+		if (m_FileSize > m_MaxFileSize)
 		{
 			if (!m_FlushOnWrite)
 			{
 				m_hLogFile.Flush();
-				FileSize = m_hLogFile.GetLength();
+                m_FileSize = m_hLogFile.GetLength();
 			}
 
 			uint32_t end = m_hLogFile.SeekToEnd();
@@ -160,6 +164,7 @@ void CLog::Log( const char * Message )
 			//clean up
 			m_hLogFile.SetEndOfFile();
 			m_hLogFile.Flush();
+            m_FileSize = m_hLogFile.GetLength();
 		} // end if
 	}
 }

Source/Common/LogClass.h

@@ -43,6 +43,7 @@ private:
     bool m_FlushOnWrite;
     std::string m_FileName;
     bool m_TruncateFileLog;
+    uint32_t m_FileSize;
     uint32_t m_MaxFileSize;
     uint32_t m_FileChangeSize;
 };