Try again after changing line 16 to sn = SmiGetNode(None, "1.3.6.1.2.1.2.2")
Because, SmiGetNode is a Python function which accepts Python objects as arguments. Passing is a ctypes object oid is incorrect. /Jean On Dec 14, 10:36 am, News Wombat <newswom...@gmail.com> wrote: > On Dec 11, 12:59 pm, MrJean1 <mrje...@gmail.com> wrote: > > > In general, for shared libraries, you need to define those first as > > prototype using ctypes.CFUNCTYPE() and then instantiate each prototype > > once supplying the necessary parameter flags using > > prototype(func_spec, tuple_of_param_flags). See sections 15.16.2.3 > > and 4 of the ctypes docs*. > > I tried the cfuntype and proto steps, and it's not crashing now > (that's good), but now i'm just left with null pointers as a return > object. I'm still working through all of the examples you sent. They > were extremely helpful. Here's where I'm at now... > > What is strange is I can actually get smiGetNode to work if I don't > cfunctype/proto it. If i do, nada. however, the smiGetNextNode fails > no matter what, usually with a segfault, but depending on how i > construct it, sometimes a null pointer. > > constants.py:http://pastebin.com/f3b4Wbf0 > libsmi.py:http://pastebin.com/XgtpG6gr > smi.c (the actual function):http://pastebin.com/Pu2vabWM -- http://mail.python.org/mailman/listinfo/python-list
