1; // extensions length
public byte[] Encode()
{
var size = MinEncodedSize;
if (ExtensionIds != null)
{
foreach (var extensionId in ExtensionIds)
{
size += 1 + extensionId.Length;
}
}
byte[] data = new byte[size];
P2ptpCommon.EncodeHeader(data, PacketType.hello);
int index = P2ptpCommon.HeaderSize;
PeerId.Encode(FromPeerId, data, ref index);
StreamId.Encode(StreamId, data, ref index);
PeerId.Encode(ToPeerId, data, ref index);
P2ptpCommon.EncodeUInt32(data, ref index, LibraryVersion);
P2ptpCommon.EncodeUInt16(data, ref index, ProtocolVersion);
data[index++] = (byte)Status;
P2ptpCommon.EncodeUInt32(data, ref index, RequestTime32);
data[index++] = RoleFlags;
data[index++] = (byte)(ExtensionIds?.Length ?? 0);
if (ExtensionIds != null)
{
foreach (var extensionId in ExtensionIds)
{
P2ptpCommon.EncodeString1ASCII(data, ref index, extensionId);
}
}
return(data);
}
internal void Encode(byte[] data, ref int index)
{
StreamId.Encode(FromSocketAtStreamId, data, ref index);
PeerId.Encode(ToPeerId, data, ref index);
if (ToEndPoint.Address.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork)
{
throw new NotSupportedException("only IPv4 is supported");
}
#pragma warning disable CS0618 // Type or member is obsolete
P2ptpCommon.EncodeUInt32(data, ref index, (uint)ToEndPoint.Address.Address);
#pragma warning restore CS0618 // Type or member is obsolete
P2ptpCommon.EncodeUInt16(data, ref index, (ushort)ToEndPoint.Port);
}