private void AddFileInfo(CountedFileInfo info)
{
Action action = () => listBox.Items.Add(info.Filename + '_' + info.Sum + DateTime.Now.ToString("HH:mm:ss"));
if (InvokeRequired)
{
Invoke(action);
}
else
{
action();
}
}
public void StartWork(string filepath)
{
ulong byteSum = 0;
using (FileStream rstream = new FileStream(filepath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader reader = new BinaryReader(rstream))
{
//reading bytes to a preferred size byte array
byte[] buffer;
for (ulong i = 0; i < (ulong)rstream.Length; i += BUFFER_SIZE)
{
buffer = reader.ReadBytes(BUFFER_SIZE);
//check buffer sum and add it to byteSum
uint bufferSum = 0;
for (var index = 0; index < buffer.Length; index++)
{
var b = buffer[index];
bufferSum += b;
}
byteSum = byteSum + bufferSum;
}
}
}
string fileName = Path.GetFileName(filepath);
string folderPath = new FileInfo(filepath).DirectoryName;
var countedFileInfo = new CountedFileInfo()
{
Filename = fileName, Sum = byteSum
};
//making XML if not exists and add name+bytesum with CountedFileInfo with existed infos
XmlSerializer formatter = new XmlSerializer(typeof(CountedFileInfo[]));
var xmlFilePath = Path.Combine(folderPath, Properties.Settings.Default.summaryFileName);
CountedFileInfo[] countedFiles = new CountedFileInfo[] { countedFileInfo };
//locking access to file r/w for a moment
lock (locker)
{
if (!File.Exists(xmlFilePath))
{
using (FileStream fs = new FileStream(xmlFilePath, FileMode.Create))
{
//writing to XML
formatter.Serialize(fs, countedFiles);
}
}
else
{
using (FileStream fs = new FileStream(xmlFilePath, FileMode.OpenOrCreate))
{
CountedFileInfo[] gotFromXMLcountedFiles = null;
try
{
gotFromXMLcountedFiles = (CountedFileInfo[])formatter.Deserialize(fs);
}
catch { }
if (gotFromXMLcountedFiles != null)
{
var foundDublicate = gotFromXMLcountedFiles.FirstOrDefault(t => t.Filename == fileName);
if (foundDublicate != null)
{
foundDublicate.Sum = countedFileInfo.Sum;
countedFiles = gotFromXMLcountedFiles;
}
else
{
countedFiles = countedFiles.Union(gotFromXMLcountedFiles).ToArray();
}
}
}
using (FileStream fs = new FileStream(xmlFilePath, FileMode.Create))
{
//writing to XML
formatter.Serialize(fs, countedFiles);
}
}
//notification
OnCount(countedFileInfo);
}
}
private void Fileworker_OnCount(CountedFileInfo info)
{
WorkerOnCount(info);
}
