-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thu, 21 Oct 2010 17:03:58 +0100 MRAB <pyt...@mrabarnett.plus.com> wrote:
> On 21/10/2010 15:57, Todd Walter wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > On Thu, 21 Oct 2010 00:07:58 +0100 > > MRAB<pyt...@mrabarnett.plus.com> wrote: > > > >>> > >> [snip] > >> > >> The docs for 'sendto' say: > >> > >> """The socket should not be connected to a remote socket, > >> since the destination socket is specified by address.""" > >> > >> Could your problem be caused by you binding the socket to a source > >> port, so it's going out both to the bound port _and_ the one given > >> the binding? > >> > >> Have you tried using two sockets, one outgoing and the other > >> incoming? > >> > >> BTW, your code for handling the response doesn't cope with it > >> coming in a bit at a time. It loops discard any previous data from > >> the previous iteration. > >> > >> Also, it's more Pythonic to say: > >> > >> while '\r' not in response: > >> ... > > I haven't bound the socket to a remote port, as I read it; it's > > bound to a source port (192.168.10.2:2260, the local machine) and > > just transmits to an address with a port glommed on > > (192.168.10.1:2002, the PLC). > [snip] > What I meant was that you're using 'pcSocket' for both directions and > using .bind on it. > > Try creating two sockets, 'pcInSocket' and 'pcOutSocket', and bind > only pcOutSocket. Ah, I comprehend now. Thanks! - - Todd -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) iEYEARECAAYFAkzAb14ACgkQwnknPuQqPIOYEwCeNQNjGSQ/fwy2kLn862lY4fIk OosAn0WplhDaFE3gVVmyLHrFwfwjfLFm =j9fb -----END PGP SIGNATURE----- -- http://mail.python.org/mailman/listinfo/python-list
