On Tue, 2011-07-26 at 22:09 -0400, Chuck Lever wrote:
> On Jul 26, 2011, at 9:23 PM, Ian Kent wrote:
> 
> > On Wed, 2011-07-27 at 08:57 +0800, Ian Kent wrote:
> >> On Tue, 2011-07-26 at 17:13 -0400, Steve Dickson wrote:
> >>> 
> >>> On 07/26/2011 10:50 AM, Chuck Lever wrote:
> >>>> 
> >>>> On Jul 26, 2011, at 2:29 PM, Steve Dickson wrote:
> >>>> 
> >>>>> From: Ian Kent <ra...@themaw.net>
> >>>>> 
> >>>>> The IPv6 client functions clntudp6_bufcreate(), clntudp6_create and
> >>>>> clnttcp6_create and the server functions svcudp6_bufcreate(),
> >>>>> svctcp6_create() and svcudp6_create() are not included in the library
> >>>>> whe libtirpc is built.
> >>>> 
> >>>> Are these part of the libtirpc standard API?  I'm not sure why we would 
> >>>> need them if, say, Solaris does not support these.
> >>> It appears they are not since they are not mentioned the man pages.....
> >>> But, at least in the autofs code, they are expected
> >>>   https://bugzilla.redhat.com/show_bug.cgi?id=711956#c0
> >>> 
> >>> Ian, where else are these routines defined? 
> >> 
> >> Now that I look I can't find the original source tar that was used for
> >> libtirpc, thought I had it.
> > 
> > Found what I had.
> > 
> > AFAICT what I think was the original source doesn't have any IPv6 code
> > that I can see.
> > 
> > Worse, these functions were excluded with the "#ifdef INET6_NOT_USED"
> > macro as far back as libtirpc version 0.1.5 so, my bad, sorry.
> > 
> >> 
> >> The story is that long ago when I changed autofs to use libtirpc (to
> >> make it ready for IPv6) I found these functions in the source and they
> >> were (obviously) the IPv6 counterparts for the corresponding IPv4
> >> functions which I was already using, so I used them. It took me quite a
> >> while to realize my code wasn't working and then I found that somewhere
> >> along the line they have been excluded, oops!
> >> 
> >> If there are to be no IPv6 counterparts for the corresponding IPv4
> >> functions which functions should I use then?
> > 
> > So what can I use?
> > 
> > It seems to me that these functions would be useful for people porting
> > code that uses the corresponding IPv4 functions so could we define them
> > please. At some point someone must have had that same idea ....
> 
> It looks to me like these functions were part of an original attempt
> at IPv6 support that was abandoned long ago.  They are not part of
> TI-RPC, but as you observed, they are merely IPv6 versions of the
> legacy RPC API. I don't see these implemented in glibc, for example.
> 
> For IPv6 support, use functions that are part of the modern libtirpc
> API.  This is described in Sun doc 816-1435.  You probably will be
> most successful with the "simplified interface" which is described in
> Chapter 4. You might need somewhat more extensive surgery since I'm
> guessing you have separate code paths to invoke the IPv4 and IPv6
> legacy RPC functions; generally speaking that should not be needed
> when using the libtirpc API.

I doubt the simplified interface will be adequate since this code was
written because of a need for greater control over timeouts. Perhaps
that won't be the case, I don't know yet.

Your suggestion amounts to saying I need to re-write all my RPC code.

> 
> 
> 
> > 
> >> 
> >>> 
> >>> steved
> >>> 
> >>>> 
> >>>>> Signed-off-by: Steve Dickson <ste...@redhat.com>
> >>>>> ---
> >>>>> src/rpc_soc.c |    4 ++--
> >>>>> 1 files changed, 2 insertions(+), 2 deletions(-)
> >>>>> 
> >>>>> diff --git a/src/rpc_soc.c b/src/rpc_soc.c
> >>>>> index c678429..584ac71 100644
> >>>>> --- a/src/rpc_soc.c
> >>>>> +++ b/src/rpc_soc.c
> >>>>> @@ -236,7 +236,7 @@ clnttcp_create(raddr, prog, vers, sockp, sendsz, 
> >>>>> recvsz)
> >>>>> 
> >>>>> /* IPv6 version of clnt*_*create */
> >>>>> 
> >>>>> -#ifdef INET6_NOT_USED
> >>>>> +#ifdef INET6
> >>>>> 
> >>>>> CLIENT *
> >>>>> clntudp6_bufcreate(raddr, prog, vers, wait, sockp, sendsz, recvsz)
> >>>>> @@ -392,7 +392,7 @@ svcraw_create()
> >>>>> 
> >>>>> 
> >>>>> /* IPV6 version */
> >>>>> -#ifdef INET6_NOT_USED
> >>>>> +#ifdef INET6
> >>>>> SVCXPRT *
> >>>>> svcudp6_bufcreate(fd, sendsz, recvsz)
> >>>>>         int fd;
> >>>>> -- 
> >>>>> 1.7.6
> >>>>> 
> >>>>> 
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> >>>>> http://www.accelacomm.com/jaw/sfnl/114/51385063/
> >>>>> _______________________________________________
> >>>>> Libtirpc-devel mailing list
> >>>>> libtirpc-de...@lists.sourceforge.net
> >>>>> https://lists.sourceforge.net/lists/listinfo/libtirpc-devel
> >>>> 
> >>> 
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