private void OnButtonClick_FileNumber(object sender, System.EventArgs e)
{
string filename = new string(' ', MAX_PATH);
MccDaq.ErrorInfo errorInfo;
int FileNumber;
bool ValidNum;
ValidNum = int.TryParse(this.txtFileNum.Text, out FileNumber);
lblComment.Text = "Get file number " + FileNumber.ToString()
+ " from directory " + m_Path;
// Get the Nth file in the directory
// Parameters:
// m_FileNumber :Nth file in the directory
// m_Path :path to search
// filename :receives name of file
errorInfo = MccDaq.DataLogger.GetFileName
(FileNumber, ref m_Path, ref filename);
if (errorInfo.Value != MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
lblComment.Text = errorInfo.Message;
}
else
{
lbFileList.Items.Clear();
filename = filename.Trim();
string newpath = filename.Trim('\0');
string absolutePath = Path.GetFullPath(newpath);
lbFileList.Items.Add(absolutePath);
}
}
/// <summary>
/// Получить имя файла соответствующее конкретному типу сообщения
/// </summary>
/// <returns>имя файла</returns>
public virtual string GetFileName()
{
string res = string.Format("SP.{0:00}.{1}{2}.{3}{4}.txt",
LogicalHLR,
CreationDate.ToString("yyyyMMdd"),
CreationDate.ToString("HHmmss"),
(int)Initiator,
FileNumber.ToString().PadLeft(13, '0'));
return(res);
}
private void WriteToFile()
{
var filePath = $"{FileDirectory}\\{FileName}_{FileNumber.ToString("D2")}.{FileExtension}";
WriteLineFile(filePath);
FileLines += BuilderLines;
BuilderLines = 0;
if (FileLines > FileThreshold)
{
FileLines = 0;
FileNumber++;
ConcatNewLine(FileHeader);
}
}
public BinaryReader OpenEntryFile(string installDir)
{
var rdbPath = Path.Combine(installDir, "RDB");
var rdbFile = Path.Combine(rdbPath, FileNumber.ToString("00"));
rdbFile = Path.ChangeExtension(rdbFile, ".rdbdata");
var reader = new BinaryReader(File.Open(rdbFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
reader.BaseStream.Seek(FileOffset - 16, SeekOrigin.Begin);
if (reader.ReadInt32() != Type)
{
throw new Exception("Error opening RDB File. Type Mismatch.");
}
if (reader.ReadInt32() != Id)
{
throw new Exception("Error opening RDB File. ID Mismatch.");
}
if (reader.ReadInt32() != (_rawFileLength ?? FileLength))
{
throw new Exception("Error opening RDB File. Length Mismatch.");
}
var e = reader.ReadInt32(); //Not sure what this is
//Some file types have an additional 12-byte header injected into the file data, which starts with the RDB Type. Check for that and skip if needed.
var type = reader.ReadInt32();
if (type == Type)
{
if (!_rawFileLength.HasValue)
{
//Keep track of the raw file length, the public length should match the actual readable stream length for consumers of the stream.
_rawFileLength = FileLength;
FileLength = _rawFileLength.Value - 12;
}
reader.BaseStream.Seek(8, SeekOrigin.Current);
}
else
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
}
return(reader);
}
