/// <summary>
/// Update or insert a new
/// </summary>
/// <param name="updatedEntry"></param>
public void UpdateListEntry(FileScan updatedEntry)
{
int index = FindInList(updatedEntry.FileName);
if (index >= 0)
{
FileList.RemoveAt(index);
FileList.Insert(index, updatedEntry);
}
else
{
FileList.Add(updatedEntry);
}
}
public bool LoadFileListFile()
{
// Make the file if it doesn't exist
if (!File.Exists(FileListFile))
{
File.WriteAllLines(FileListFile, new string[] { HEADER });
}
// Read the file from disk
string[] lines;
try
{
lines = File.ReadAllLines(FileListFile);
}
catch
{
return(false);
}
FileList.Clear();
if (lines.Length < 2)
{
return(true);
}
FileScan entry;
string[] tokens;
for (int i = 1; i < lines.Length; i++)
{
tokens = lines[i].Split(',');
entry = new FileScan();
entry.FileName = tokens[0];
entry.TimeOfLastAccess = DateTime.Parse(tokens[1]);
entry.Hash = tokens[2];
entry.Bytes = long.Parse(tokens[3]);
entry.ProcessedBytes = long.Parse(tokens[4]);
entry.TimeOfModification = DateTime.Parse(tokens[5]);
entry.DataStartTime = DateTime.Parse(tokens[6]);
entry.DataEndTime = DateTime.Parse(tokens[7]);
FileList.Add(entry);
}
return(true);
}
public FileScan ScanFile(string fileName)
{
FileInfo info = new FileInfo(fileName);
FileScan entry = new FileScan
{
FileName = fileName,
TimeOfLastAccess = DateTime.Now,
Bytes = info.Length,
ProcessedBytes = 0,
};
if (LazyMode)
{
entry.Hash = "";
}
else
{
entry.Hash = HashFile(fileName);
}
long ticks = info.LastWriteTime.Ticks / OneSecond.Ticks;
entry.TimeOfModification = new DateTime(ticks * OneSecond.Ticks);
return(entry);
}
/// <summary>
/// Returns FileScans that are not consistent with the FileList
/// </summary>
/// <returns></returns>
public List <FileScan> Scan()
{
int listCount = FileList.Count;
List <FileScan> scanResults = ScanDirectory(DirectoryToMonitor);
List <FileScan> outOfDateResults = new List <FileScan>(scanResults.Count);
bool[] accountedFor = new bool[listCount];
for (int i = 0; i < listCount; i++)
{
accountedFor[i] = false;
}
// Find all out of date and deleted files
int index;
for (int i = 0; i < scanResults.Count; i++)
{
FileScan scanResult = scanResults[i];
index = FindInList(scanResult.FileName);
if (index < 0)
{
outOfDateResults.Add(scanResult);
}
else
if (LazyMode)
{
if (FileList[index].ProcessedBytes < scanResult.Bytes ||
FileList[index].Bytes != scanResult.Bytes ||
FileList[index].TimeOfModification != scanResult.TimeOfModification)
{
scanResult.ProcessedBytes = FileList[index].ProcessedBytes;
outOfDateResults.Add(scanResult);
accountedFor[index] = true;
}
else
{
accountedFor[index] = true;
}
}
else
{
if (FileList[index].ProcessedBytes < scanResult.Bytes ||
FileList[index].Hash != scanResult.Hash)
{
scanResult.ProcessedBytes = FileList[index].ProcessedBytes;
outOfDateResults.Add(scanResult);
accountedFor[index] = true;
}
else
{
accountedFor[index] = true;
}
}
}
MissingFiles.Clear();
for (int i = 0; i < listCount; i++)
{
if (!accountedFor[i])
{
MissingFiles.Add(FileList[i]);
}
}
return(outOfDateResults);
}
public GenerateFileCache(CacheManager manager, InstrumentCache instrumentCache, FileScan scan) : base(manager)
{
ICache = instrumentCache;
Scan = scan;
}
