public SeekableCryptoStream(SegmentReader reader)
{
_reader = reader;
byte[] lenbytes = reader.ReadSegment(0);
len = BitConverter.ToInt64(lenbytes, 0);
}
/// <summary>
/// Opens the specified file.
/// </summary>
/// <returns>
/// A pointer to the file.
/// </returns>
/// <param name='fileID'>
/// The file name to open
/// </param>
public long OpenFile(long fileID)
{
SegmentReader mreader = new SegmentReader(fstream,fragments[fileID]);
long keyval = 0;
lock (fileHandles)
{
if (fileHandles.ContainsKey(fileHandles.Count))
{
keyval = fileHandles.Count + 1;
while (fileHandles.ContainsKey(keyval))
{
keyval++;
}
fileHandles.Add(keyval, mreader);
}
else
{
keyval = fileHandles.Count;
fileHandles.Add(fileHandles.Count, mreader);
}
}
return keyval;
}
public SeekableCryptoStream(SegmentReader reader)
{
_reader = reader;
byte[] mb = new byte[sizeof(long)];
reader.rawRead(0,mb);
len = BitConverter.ToInt64(mb, 0);
if(len>reader.basestream.Length) {
len = 0;
}
}
/// <summary>
/// Opens the specified file.
/// </summary>
/// <returns>
/// A pointer to the file.
/// </returns>
/// <param name='fileID'>
/// The file name to open
/// </param>
public long OpenFile(long fileID)
{
SegmentReader mreader = new SegmentReader(fstream,fragments[fileID],fileID);
long keyval = 0;
lock (fileHandles)
{
while (fileHandles.ContainsKey(keyval))
{
keyval++;
}
fileHandles.Add(keyval, mreader);
if(!handleMappings.ContainsKey(fileID)) {
handleMappings.Add(fileID,new List<long>());
}
handleMappings[fileID].Add(keyval);
return keyval;
}
}