public PacketResult Process(byte[] payload, Blowfish blowfish)
{
if (payload.Length < Header.Length)
{
return(PacketResult.Malformed);
}
PacketHeader = payload.Copy(0, Header.Length).UnMarshal <Header>();
// missing data, need to wait for remaining data and combine
if (PacketHeader.Size > payload.Length)
{
return(PacketResult.Fragmented);
}
if (PacketHeader.SubPackets == 0)
{
return(PacketResult.Malformed);
}
var payloadData = new byte[PacketHeader.Size - Header.Length];
Buffer.BlockCopy(payload, Header.Length, payloadData, 0, payloadData.Length);
if (PacketHeader.Compressed == 1)
{
if (!ZlibProvider.Deflate(payloadData, out payloadData))
{
return(PacketResult.Malformed);
}
}
using (var stream = new MemoryStream(payloadData))
{
using (var reader = new BinaryReader(stream))
{
for (uint i = 0u; i < PacketHeader.SubPackets; i++)
{
SubPacket subPacket;
PacketResult result = SubPacket.Process(reader, blowfish, out subPacket);
if (result != PacketResult.Ok)
{
return(result);
}
SubPackets.Add(subPacket);
}
}
}
return(PacketResult.Ok);
}
