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function varargout=pnet_getvar(fid)
% PNET_GETVAR - Gets any matlab variable (number-, cell-, struct- or object -array) from pnet.
%
% Syntax:
%
% [variable1, variable2,.....]=pnet_getvar(con)
%
% Receives matlab variables over a TCP connection that was sent with
% PNET_PUTVAR. This variable transfer uses its own non standard protocol.
% Can also be used with UDP packets if the variable/variables fits inside
% an UDP packet.
%
% Se also: PNET_PUTVAR, PNET, PNET_REMOTE
%
%
% This file(s) is part of the tcp_udp_ip toolbox (C) Peter Rydesaeter et al.
% et al. 1998-2003 for running in MATLAB(R) as scripts and/or plug-ins.
%
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2 of the License, or
% (at your option) any later version.
%
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with this program; if not, write to the Free Software
% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
%
% In addition, as a SPECIAL EXCEPTION, Peter Rydesaeter, SWEDEN,
% gives permission to link the code of this program with any library,
% and distribute linked combinations of it. You must obey the GNU
% General Public License in all respects for all of the code in the
% tcp_udp_ip toolbox and any . If you modify any source file included,
% you may extend this exception to your version of the file, but you are
% not obligated to do so. If you do not wish to do so, delete this exception
% statement from your version. This exception makes it possible to use
% pnet.c (.dll) as a plug-in as it is intended and let it be (dynamical)
% linked to MATLAB(R) or any compiled stand alone application.
%
if nargout~=1,
for n=1:nargout,
varargout{n}=pnet_getvar(fid);
end
return;
end
while 1,
dataclass=pnet(fid,'readline',1024);
switch dataclass,
case {'double' 'char' 'int8' 'int16' 'int32' 'uint8' 'uint16' 'uint32'}
datadims=double(pnet(fid,'Read',1,'uint32'));
datasize=double(pnet(fid,'Read',datadims,'uint32'));
VAR=pnet(fid,'Read',datasize,dataclass);
break;
case '--matfile--'
tmpfile=[tempname,'.mat'];
VAR=[];
try,
bytes=double(pnet(fid,'Read',[1 1],'uint32'));
pnet(fid,'ReadToFile',tmpfile,bytes);
load(tmpfile);
end
try,
delete(tmpfile);
end
break;
otherwise
end
end
varargout{1}=VAR;
return;
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