public string GetFileSizeString(string dfsfile)
{
ensureconnected();
netstm.WriteByte((byte)'s');
XContent.SendXContent(netstm, dfsfile);
ensurenextplus();
string ssize = XContent.ReceiveXString(netstm, buf);
return(ssize);
}
void ensurenextplus()
{
#if DEBUG
ensureconnected();
#endif
int ib = netstm.ReadByte();
if ('+' != ib)
{
if ('-' == ib)
{
string errmsg = XContent.ReceiveXString(netstm, null);
throw new Exception("Error from DFS protocol: " + errmsg);
}
else
{
throw new Exception("DFS protocol did not return a success");
}
}
}