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 <raven@xxxxxxxxxx> > >>>>> > >>>>> 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 <steved@xxxxxxxxxx> > >>>>> --- > >>>>> 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 > >>>>> > >>>>> > >>>>> ------------------------------------------------------------------------------ > >>>>> Magic Quadrant for Content-Aware Data Loss Prevention > >>>>> Research study explores the data loss prevention market. 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