예제 #1
0
        //      -------

        /// <summary>
        /// Supports the changing of file name, size, etc.
        /// </summary>
        public void ChangeFileProperties(FileParameterStruct newFileParameter)
        {
            if (!newFileParameter.ValidateConstructorParameters(false, out string problem))
            {
                throw new Exception("LogFileWriter.ChangeProperties(): Invalide parameters '" + newFileParameter.ToString() + "'." +
                                    (problem == null ? "" : " The following problem occured: " + Environment.NewLine + problem));
            }
            this.newFileParameter = newFileParameter;
            isNewFileParameter    = true;
        }
예제 #2
0
        /// <summary>
        /// Check if file parameters are valid
        /// </summary>
        public static bool ValidateConstructorParameters(
            string directoryPath,
            string fileName,
            long maxFileByteCount,
            int maxFileCount,
            out string problem) //
        {
            FileParameterStruct validateFileParameterStruct = new FileParameterStruct(directoryPath, fileName, "txt", maxFileByteCount, maxFileCount);

            return(validateFileParameterStruct.ValidateConstructorParameters(true, out problem));
        }
예제 #3
0
        /// <summary>
        /// Constructor
        ///
        /// Creates and opens/closes a file
        ///
        /// will throw an exception if file cannot be created
        /// </summary>
        public FileSizeManager(FileParameterStruct newParameter)
        {
            //ensure that parameters are valid.
            if (!newParameter.ValidateConstructorParameters(false, out string problem))
            {
                throw new Exception("Cannot create '" + newParameter.ToString() + "'." +
                                    (problem == "" ? "" : " The following problem occured: " + Environment.NewLine + problem));
            }

            //create directory if necessary and prepare filelist
            directoryInfo = Directory.CreateDirectory(newParameter.DirectoryPath);
            newParameter.UpdateDirectoryPath(directoryInfo.FullName);
            fileParameter = newParameter;
            fileList      = new List <FileInfoNumberStruct>();

            //Read fileinfos with file numbers into sorted fileList
            FileInfo[] fileInfos =
                directoryInfo.GetFiles(fileParameter.GetFileSearchPattern(), SearchOption.TopDirectoryOnly);

            currentFileNumber = 1;
            //TestFileName123.tst ==> 123
            //             TestFileName
            int startPos = fileParameter.FileName.Length;
            //                    .   tst
            int extensionLength = 1 + fileParameter.FileExtension.Length;

            foreach (FileInfo fileInfo in fileInfos)
            {
                string fileName = fileInfo.Name;
                if (int.TryParse(fileName.Substring(startPos, fileName.Length - startPos - extensionLength), out int fileNumber))
                {
                    fileList.Add(new FileInfoNumberStruct(fileNumber, fileInfo));

                    if (fileNumber > currentFileNumber)
                    {
                        currentFileNumber = fileNumber;
                    }
                }
            }
            fileList.Sort();

            //make sure that the correct number of files exist,
            if (fileList.Count == 0)
            {
                createNewFile();
            }
            else
            {
                enforceFileCountMax();
                currentFileInfo = fileList[fileList.Count - 1].FileInfo;
            }
        }
예제 #4
0
        /// <summary>
        /// Constructor LogFileWriter
        /// </summary>
        public LogFileWriter(
            FileParameterStruct fileParameter,
            Func <string>?getNewFileHeader     = null,
            Func <string>?getNewDayHeader      = null,
            int maxMessageQueueSize            = maxMessageQueueSizeDefault,
            int logFileWriterTimerInitialDelay = 10,
            int logFileWriterTimerInterval     = 10000)
        {
            this.getNewFileHeader    = getNewFileHeader;
            this.getNewDayHeader     = getNewDayHeader;
            this.maxMessageQueueSize = maxMessageQueueSize;
            fileSizeManager          = new FileSizeManager(fileParameter);

            initialiseLogFileWriterTimer(logFileWriterTimerInitialDelay, logFileWriterTimerInterval);
        }
예제 #5
0
        void initialiseNewParameter()
        {
            FileParameterStruct existingFileParameter = fileSizeManager.FileParameter;

            if (existingFileParameter.DirectoryPath == newFileParameter.DirectoryPath &&
                existingFileParameter.FileName == newFileParameter.FileName &&
                existingFileParameter.FileExtension == newFileParameter.FileExtension) //
            {
                //only max size or number of files has changed. Just change some FileSizeManager properties.
                fileSizeManager.ChangeProperties(newFileParameter.MaxFileByteCount, newFileParameter.MaxFileCount);
            }
            else
            {
                //file name or location has changed, a new FileSizeManager is needed.
                fileSizeManager = new FileSizeManager(newFileParameter);
            }
            isNewFileParameter = false;
            lastDate           = DateTime.Now.Date;
        }