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 HandleOpen(StyxOpenMessage message)
{
if (!fid_list.ContainsKey(message.Fid))
{
throw new Exception("Unknown fid");
}
StyxFileSystemInterface fsitem = fid_list[message.Fid];
StyxMessage.QID qid;
int res = fsitem.Open(message.Mode, out qid);
if (res != 0)
{
throw new Exception("Open failed("+res+")");
}
// max buffer size = iobuf - TWrite extra info size (23 bytes)
return new StyxOpenMessage(message.Tag, qid, iobuf_size - 23 );
}