public BaseMessage(byte[] payload, MessageType messageType, ushort sourceId, ushort destinationId, ushort realSourceId, ushort realDestinationId, Guid id = new Guid(), MessageFlags messageFlags = MessageFlags.None)
{
Payload = payload;
MessageType = messageType;
Guid = id;
SourceId = sourceId;
DestinationId = destinationId;
RealDestinationId = realDestinationId;
RealSourceId = realSourceId;
MessageFlags |= messageFlags;
RealHash = HashUtil.ComputeChecksum(Payload);
}
public BaseMessage(byte[] messageData)
{
var reader = new BigEndianBinaryReader(new MemoryStream(messageData));
var messageInfo = reader.ReadByte();
MessageFlags = (MessageFlags)(messageInfo >> 5);
MessageType = (MessageType)(messageInfo & 0x1F);
if (MessageFlags.HasFlag(MessageFlags.IsRedirected))
{
RealSourceId = reader.ReadUInt16();
}
SourceId = reader.ReadUInt16();
DestinationId = reader.ReadUInt16();
if (MessageType.IsReliable())
{
Guid = new Guid(reader.ReadBytes(16));
Hash = reader.ReadBytes(HashUtil.GetHashSize());
}
var payloadLength = reader.ReadInt32();
if (payloadLength < 0)
{
throw new DnmpException($"Payload length < 0: {payloadLength}");
}
if (payloadLength > 128 * 1024 * 1024)
{
throw new DnmpException("tLen is larger than 20MiB");
}
Payload = reader.ReadBytes(payloadLength);
RealHash = HashUtil.ComputeChecksum(Payload);
}