public virtual byte[] GenerateResponse(NatPacketType packetType)
{
List <byte> data = new List <byte>();
data.AddRange(MagicData);
data.Add(Version);
data.Add((byte)packetType);
data.AddRange(BitConverter.GetBytes(Cookie));
return(data.ToArray());
}
public override byte[] GenerateResponse(NatPacketType packetType)
{
List <byte> data = new List <byte>();
data.AddRange(base.GenerateResponse(packetType));
data.AddRange(((IPEndPoint)RemoteEndPoint).Address.GetAddressBytes());
data.AddRange(BitConverter.GetBytes((short)((IPEndPoint)RemoteEndPoint).Port));
data.Add(GotYourData);
data.Add(Finished);
return(data.ToArray());
}
public virtual bool Parse(byte[] recv)
{
if (recv.Length < Size)
{
return(false);
}
Version = recv[MagicData.Length];
PacketType = (NatPacketType)recv[MagicData.Length + 1];
Cookie = BitConverter.ToInt32(ByteTools.SubBytes(recv, MagicData.Length + 2, 4));
return(true);
}
public virtual bool Parse()
{
if (RawRequest.Length < Size)
{
return(false);
}
Version = RawRequest[MagicData.Length];
PacketType = (NatPacketType)RawRequest[MagicData.Length + 1];
Cookie = BitConverter.ToUInt32(ByteTools.SubBytes(RawRequest, MagicData.Length + 2, 4));
return(true);
}
public override byte[] GenerateResponse(NatPacketType packetType)
{
List <byte> data = new List <byte>();
data.AddRange(base.GenerateResponse(packetType));
data.Add(PortType);
data.Add(ClientIndex);
data.Add(UseGamePort);
data.AddRange(BitConverter.GetBytes(LocalIP));
data.AddRange(BitConverter.GetBytes(LocalPort));
return(data.ToArray());
}
/// <summary>
///
/// </summary>
/// <param name="packetType"></param>
/// <param name="endPoint">public endpoint</param>
/// <returns></returns>
public byte[] GenerateResponse(NatPacketType packetType, EndPoint endPoint)
{
List <byte> data = new List <byte>();
data.AddRange(base.GenerateResponse(packetType));
data.Add(PortType);
data.Add(ClientIndex);
data.Add(UseGamePort);
data.AddRange(((IPEndPoint)endPoint).Address.GetAddressBytes());
data.AddRange(BitConverter.GetBytes((short)((IPEndPoint)endPoint).Port));
return(data.ToArray());
}
public override byte[] GenerateResponse(NatPacketType packetType)
{
List <byte> data = new List <byte>();
data.AddRange(base.GenerateResponse(packetType));
data.Add(PortType);
data.Add(ClientIndex);
data.Add(NegResult);
data.AddRange(BitConverter.GetBytes((int)NatType));
data.AddRange(BitConverter.GetBytes((int)MappingScheme));
data.AddRange(Encoding.ASCII.GetBytes(GameName));
return(data.ToArray());
}
public BasePacket(byte[] data)
{
if (data.Length < BasePacketSize)
{
return;
}
byte[] sub = ByteExtensions.SubBytes(data, 0, magicDataLen);
//bool isEqual = Array.Equals(sub, NatNegInfo.MagicData);
if (sub[0] != NatNegInfo.MagicData[0] || sub[1] != NatNegInfo.MagicData[1] || sub[2] != NatNegInfo.MagicData[2])
{
return;
}
if (data[magicDataLen + 2] < 0 || data[magicDataLen + 2] > (byte)NatPacketType.PreInitAck)
{
return;
}
Version = data[magicDataLen];
PacketType = (NatPacketType)data[magicDataLen + 1];
Cookie = BitConverter.ToInt32(ByteExtensions.SubBytes(data, magicDataLen + 2, 4));
}
public NNRequestBase SetPacketType(NatPacketType type)
{
PacketType = type;
return(this);
}
public BasePacket SetPacketType(NatPacketType type)
{
PacketType = type;
return(this);
}
