private MCFunction CreateFucntion(MCFunction requestFunction, PacketDirection direction, MCQHeader qHeader, MCDataProcessor dataSource)
{
if (direction == PacketDirection.Request)
{
var cc = dataSource.ReadUShort();
var sc = dataSource.ReadUShort();
var functionRegistration = MCFunctionRegistry.Find(cc);
if (functionRegistration != null)
{
return(functionRegistration.Generate(direction, sc, requestFunction));
}
}
else if (direction == PacketDirection.Response)
{
var qHeaderResponse = (MCQHeaderResponse)qHeader;
if (qHeaderResponse.ResultCode == 0)
{
var functionRegistration = MCFunctionRegistry.Find(requestFunction.GetType());
if (functionRegistration != null)
{
return(functionRegistration.Generate(direction, requestFunction.GetSubCommandCode(), requestFunction));
}
}
else
{
return(new MCFunctionErrorResponse());
}
}
return(null);
}
public MCPacket ReadPacket(Stream stream, MCFunction requestFunction)
{
var packet = new MCPacket();
var source = this.CreateDataProcessor(stream);
source.ForceBigEndian = true;
var frameId = source.ReadUShort();
source.ForceBigEndian = false;
var frame = MCFrame.Find(frameId);
var direction = frame.GetDirection(frameId);
var subHeader = MCSubHeader.Find(frame).CreateInstance();
subHeader.Read(source);
packet.SubHeader = subHeader;
var qHeader = this.CreateQHeader(direction);
qHeader.ReadPre(source);
packet.QHeader = qHeader;
ushort dataLength = (ushort)(source.ReadUShort() / source.LengthPerByte);
var data = source.ReadBytes(dataLength);
using (var ms = new MemoryStream(data))
{
var dataSource = this.CreateDataProcessor(ms);
dataSource.IgnoreConvert = true;
qHeader.ReadPost(dataSource);
var function = this.CreateFucntion(requestFunction, direction, qHeader, dataSource);
if (function != null)
{
function.Read(dataSource);
}
packet.Function = function;
}
return(packet);
}
public abstract MCFunction Generate(PacketDirection direction, ushort subCommandCode, MCFunction request);