/// <summary>
/// Reads a bounty from a stream.
/// </summary>
public static Bounty Read(InStream Stream)
{
return new Bounty
{
Base = Stream.ReadDouble(),
Decay = Stream.ReadDouble()
};
}
/// <summary>
/// Reads a packet from a stream with the given size in bytes or returns null if the packet cannot be parsed.
/// </summary>
public static Packet Read(InStream Stream, int Size)
{
Packet packet = new Packet();
// Read flags and header
if ((Size -= StreamSize.Byte + StreamSize.Int) < 0)
return null;
PacketFlags flags = (PacketFlags)Stream.ReadByte();
packet.SequenceNumber = Stream.ReadInt();
packet.PingRequest = (flags & PacketFlags.PingRequest) == PacketFlags.PingRequest;
packet.PingResponse = (flags & PacketFlags.PingResponse) == PacketFlags.PingResponse;
// Read additional information
if ((flags & PacketFlags.Acknowledgement) == PacketFlags.Acknowledgement)
{
if ((Size -= StreamSize.Int) < 0)
return null;
packet.AcknowledgementNumber = Stream.ReadInt();
}
if ((flags & PacketFlags.RoundTripTime) == PacketFlags.RoundTripTime)
{
if ((Size -= StreamSize.Double) < 0)
return null;
packet.RoundTripTime = Stream.ReadDouble();
}
// Read chunk if any
if ((flags & PacketFlags.Chunk) == PacketFlags.Chunk)
{
packet.ChunkInitial = (flags & PacketFlags.ChunkInitial) == PacketFlags.ChunkInitial;
packet.ChunkFinal = (flags & PacketFlags.ChunkFinal) == PacketFlags.ChunkFinal;
byte[] data = new byte[Size];
Stream.Read(data, 0, data.Length);
packet.ChunkData = data;
return packet;
}
else
{
// A packet can only be a disconnect if it does not have a chunk
packet.Disconnect = (flags & PacketFlags.Disconnect) == PacketFlags.Disconnect;
// Make sure this is the end of the packet
if (Size == 0)
return packet;
else
return null;
}
}