/// <summary>Add some data to our buffer.</summary>
/// <param name="data">A byte-array to read data from.</param>
/// <param name="offset">How many bytes to skip at the beginning of the array.</param>
/// <param name="len">How many bytes to read from the array.</param>
public void AddData(
byte[] data,
int offset,
int len)
{
if (readOnlyBuf)
{
throw new InvalidOperationException("Cannot add data to read-only buffer");
}
if ((skipped + available + len) > databuf.Length)
{
int desiredSize = ByteQueue.NextTwoPow(available + len);
if (desiredSize > databuf.Length)
{
byte[] tmp = new byte[desiredSize];
Array.Copy(databuf, skipped, tmp, 0, available);
databuf = tmp;
}
else
{
Array.Copy(databuf, skipped, databuf, 0, available);
}
skipped = 0;
}
Array.Copy(data, offset, databuf, skipped + available, len);
available += len;
}
public void Shrink()
{
if (available == 0)
{
databuf = TlsUtilities.EmptyBytes;
skipped = 0;
}
else
{
int desiredSize = ByteQueue.NextTwoPow(available);
if (desiredSize < databuf.Length)
{
byte[] tmp = new byte[desiredSize];
Array.Copy(databuf, skipped, tmp, 0, available);
databuf = tmp;
skipped = 0;
}
}
}