public IStyxMessage GetMessage()
{
IStyxMessage res = null;
switch (type)
{
case MessageType.Twalk:
case MessageType.Rwalk:
res = new StyxWalkMessage();
break;
case MessageType.Tversion:
case MessageType.Rversion:
res = new StyxVersionMessage();
break;
case MessageType.Tclunk:
case MessageType.Rclunk:
res = new StyxClunkMessage();
break;
case MessageType.Tstat:
case MessageType.Rstat:
res = new StyxStatMessage();
break;
case MessageType.Topen:
case MessageType.Ropen:
res = new StyxOpenMessage();
break;
case MessageType.Tread:
case MessageType.Rread:
res = new StyxReadMessage();
break;
case MessageType.Tattach:
case MessageType.Rattach:
res = new StyxAttachMessage();
break;
}
if (res != null)
{
res.SetBinary(data);
}
return res;
}
private IStyxMessage HandleWalk(StyxWalkMessage message)
{
if (!fid_list.ContainsKey(message.Fid))
{
throw new Exception("Unknown fid");
}
StyxFileSystemInterface fsitem = fid_list[message.Fid];
StyxFileSystemInterface newitem;
StyxMessage.QID[] qids;
int res = fsitem.Walk(out newitem, out qids, message.PathComponents);
if (res == 0)
{
// target found
// we must register fid
RegisterFID(message.NewFid, newitem);
}
return new StyxWalkMessage(message.Tag, qids);
}