public PeerHelloPacket(byte[] packetUdpPayloadData)
{
// if (packetUdpPayloadData.Length < MinEncodedSize) throw new ArgumentException(nameof(packetUdpPayloadData));
var index = P2ptpCommon.HeaderSize;
FromPeerId = PeerId.Decode(packetUdpPayloadData, ref index);
StreamId = StreamId.Decode(packetUdpPayloadData, ref index);
ToPeerId = PeerId.Decode(packetUdpPayloadData, ref index);
LibraryVersion = PacketProcedures.DecodeUInt32(packetUdpPayloadData, ref index);
ProtocolVersion = PacketProcedures.DecodeUInt16(packetUdpPayloadData, ref index);
Status = (PeerHelloRequestStatus)packetUdpPayloadData[index++];
RequestTime32 = PacketProcedures.DecodeUInt32(packetUdpPayloadData, ref index);
Flags = packetUdpPayloadData[index++];
var extensionIdsLength = packetUdpPayloadData[index++];
ExtensionIds = new string[extensionIdsLength];
for (byte i = 0; i < extensionIdsLength; i++)
{
ExtensionIds[i] = PacketProcedures.DecodeString1ASCII(packetUdpPayloadData, ref index);
}
if (index < packetUdpPayloadData.Length)
{ // after version 190608
RequestSequenceNumber = PacketProcedures.DecodeUInt16(packetUdpPayloadData, ref index);
ResponseCpuDelayMs = PacketProcedures.DecodeUInt16(packetUdpPayloadData, ref index);
RequestedFromIp = PacketProcedures.DecodeString1ASCII(packetUdpPayloadData, ref index);
var reader = PacketProcedures.CreateBinaryReader(packetUdpPayloadData, index);
if (FlagIshareMyIpLocation)
{
IpLocationData = IpLocationData.Decode(reader);
}
}
}
/// <summary>
/// creates response to request and sends the response
/// </summary>
/// <param name="localPeerId">optional local test node ID, is sent by server to new peers who dont know server's PeerId</param>
internal static void Respond(PeerHelloPacket requestPacket, PeerHelloRequestStatus status, PeerId localPeerId,
SocketWithReceiver socket, IPEndPoint remoteEndPoint, ushort?responseCpuDelayMs = null, bool thisPeerRoleAsUser = false, IpLocationData localIpLocationData = null)
{
var responsePacket = new PeerHelloPacket(requestPacket, status, localPeerId, thisPeerRoleAsUser, responseCpuDelayMs, remoteEndPoint.Address.ToString());
if (localIpLocationData != null && requestPacket.FlagIwantToGetYourIpLocation)
{
responsePacket.IpLocationData = localIpLocationData;
}
var responseData = responsePacket.Encode();
socket.UdpSocket.Send(responseData, responseData.Length, remoteEndPoint);
}
