Hi all, when calling [data, count] = recv() from the sockets package on a closed connection octave emits an error:
error: octave_base_value::print (): wrong type argument `<unknown type>'
error: called from:
error: socket_server.m ...
I think the return array [data, count] is not initialized correctly,
when no data could be read. I can get rid of this error with the
following patch:
Index: sockets.cc
===================================================================
--- sockets.cc (revision 10742)
+++ sockets.cc (working copy)
@@ -708,8 +708,10 @@
if(retval<0) {
//We get -1 if an error occurs,or if there is no data and the
//socket is non-blocking. We should return in both cases.
+ return_list(0) = retval; // Make sure return_list is defined
correctly with some value
} else if (0==retval) {
//The peer has shut down.
+ return_list(0) = retval; // Make sure return_list is defined
correctly with some value
} else {
//Normal behaviour.
Matrix return_buf(1,retval);
Please advise, if this is a proper fix of the problem and if this patch
can be accepted.
I use octave-3.6.1_gcc4.6.2 (mingw) on windows 7. The sockets package
was taken from the svn repository.
Two short scripts for server and client are attached.
In order to compile the sockets package I had to add '-lws2_32' to the
Makefile to avoid linker errors. What is the correct way to specify
linker flags platform independently for octave packages?
Regards,
Sebastian.
socket_server.m
Description: socket_server.m
sockettest.m
Description: sockettest.m
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