public byte[] Encode(object message, ref short serial)
{
var factory = _factories.FirstOrDefault(f => f.ContainsType(message.GetType()));
byte[] result = null;
if (factory == null)
{
throw new InvalidProgramException($"Invalid message type {message.GetType()}");
}
ushort opCode = factory.GetOpCode(message.GetType());
var att = message
.GetType()
.GetCustomAttributes(false)
.Where(x => x.GetType() == typeof(WZContractAttribute))
.FirstOrDefault() as WZContractAttribute;
if (att == null)
{
throw new InvalidOperationException("Invalid message format");
}
using (var h = new MemoryStream())
using (var b = new MemoryStream())
{
Serializer.Serialize(b, message);
var body = b.ToArray();
var length = body.Length;
var sizeFix = (((opCode & 0xFF00) == 0xFF00) ? 1 : 0);
if (att.LongMessage)
{
var header = new WZWPacket
{
Type = (byte)0xC2,
Size = (ushort)(length + 5 - sizeFix),
Operation = opCode
};
if (att.Serialized)
{
var temp = new byte[header.Size - 2];
temp[0] = (byte)serial;
Array.Copy(body, 0, temp, 1, body.Length);
body = SimpleModulus.Encoder(temp);
header.Type += 2;
serial++;
}
Serializer.Serialize(h, header);
}
else
{
var header = new WZBPacket
{
Type = (byte)0xC1,
Size = (byte)(length + 4 - sizeFix),
Operation = opCode
};
if (att.Serialized)
{
var temp = new byte[header.Size - 1];
temp[0] = (byte)serial;
Array.Copy(body, 0, temp, 1, body.Length);
body = SimpleModulus.Encoder(temp);
header.Type += 2;
serial++;
}
Serializer.Serialize(h, header);
}
var head = h.ToArray();
var headLen = head.Length - sizeFix;
result = new byte[headLen + body.Length];
Array.Copy(head, result, headLen);
Array.Copy(body, 0, result, headLen, body.Length);
using (var spe = new StreamPacketEngine(false))
{
spe.AddData(result);
result = spe.ExtractData();
}
}
return(result);
}
