public void WriteIdentifier(Mpd.Generic.IO.FileDataIO pFile, bool bKadExcludeMD4)
{
uint uIncludesMD4 = bKadExcludeMD4 ? (uint)0 : (uint)1; // This is (currently) mandatory except for Kad
uint uIncludesSize = (FileSize != 0) ? (uint)1 : (uint)0;
uint uIncludesAICH = HasAICHHash ? (uint)1 : 0;
uint uMandatoryOptions = 0; // RESERVED - Identifier invalid if we encounter unknown options
uint uOptions = 0; // RESERVED
byte byIdentifierDesc = (byte)
((uOptions << 5) |
(uMandatoryOptions << 3) |
(uIncludesAICH << 2) |
(uIncludesSize << 1) |
(uIncludesMD4 << 0));
pFile.WriteUInt8(byIdentifierDesc);
if (!bKadExcludeMD4)
{
pFile.WriteHash16(md4Hash_);
}
if (FileSize != (ulong)0)
{
pFile.WriteUInt64(FileSize);
}
if (HasAICHHash)
{
aichHash_.Write(pFile);
}
}
public void WriteHashSetsToPacket(Mpd.Generic.IO.FileDataIO pFile, bool bMD4, bool bAICH)
{
// 6 Options - RESERVED
// 1 AICH HashSet
// 1 MD4 HashSet
byte byOptions = 0;
if (bMD4)
{
if (TheoreticalMD4PartHashCount == 0)
{
bMD4 = false;
}
else if (HasExpectedMD4HashCount)
{
byOptions |= 0x01;
}
else
{
bMD4 = false;
}
}
if (bAICH)
{
if (TheoreticalAICHPartHashCount == 0)
{
bAICH = false;
}
else if (HasExpectedAICHHashCount && HasAICHHash)
{
byOptions |= 0x02;
}
else
{
bAICH = false;
}
}
pFile.WriteUInt8(byOptions);
if (bMD4)
{
WriteMD4HashsetToFile(pFile);
}
if (bAICH)
{
WriteAICHHashsetToFile(pFile);
}
}
