protected ushort ReadShort(ref int index, HProtocol protocol)
{
if (index >= Body.Length || index + 2 > Body.Length)
{
return(0);
}
var chunk = new byte[] { Body[index++], Body[index++] };
return(Protocol == HProtocol.Ancient ? Ancient.DecypherShort(chunk) : Modern.DecypherShort(chunk));
}
public HMessage(byte[] data, HDestination destination)
: this()
{
if (data == null)
{
throw new NullReferenceException();
}
if (data.Length < 1)
{
throw new Exception("The minimum amount of bytes required to initialize an HMessage instance is 1(One). If the amount of bytes passed is < 3(Three), and >= 1(One), it will be immediately be identified as a corrupted packet. { IsCorrupted = true }");
}
Destination = destination;
bool hasByteZero = data.Contains(byte.MinValue);
bool isAncientHeader = !hasByteZero && data.Length == 2 && data[1] != 1;
if (!isAncientHeader && data.Length >= 6 && Modern.DecypherInt(data) == data.Length - 4)
{
Protocol = HProtocol.Modern;
_header = Modern.DecypherShort(data, 4);
Append(ByteUtils.CopyBlock(data, 4, data.Length - 4));
if (data.Length == 6)
{
_logWriting = true;
}
}
else if ((destination == HDestination.Server && isAncientHeader) || (!hasByteZero && data.Length >= 5 && Ancient.DecypherShort(data, 1) == data.Length - 3))
{
Destination = HDestination.Server;
Protocol = HProtocol.Ancient;
_header = Ancient.DecypherShort(data, isAncientHeader ? 0 : 3);
Append(isAncientHeader ? data : ByteUtils.CopyBlock(data, 3, data.Length - 3));
if (data.Length == 5 || isAncientHeader)
{
_logWriting = true;
}
}
else if (isAncientHeader || (!hasByteZero && data.Length >= 3 && data[data.Length - 1] == 1 && Destination != HDestination.Server))
{
Destination = HDestination.Client;
Protocol = HProtocol.Ancient;
if (isAncientHeader)
{
data = new byte[] { data[0], data[1], 1 }
}
;
_header = Ancient.DecypherShort(data);
Append(data);
if (data.Length == 3 || isAncientHeader)
{
_logWriting = true;
}
}
else
{
Body = data;
_bufferCache = data;
IsCorrupted = true;
Length = data.Length;
_buffer.AddRange(data);
_stringCache = ToString(data);
}
}