Experimental Physics and
Industrial Control System

"Jeff Hill" <[email protected]> · Wed, 22 Jul 2009 09:30:52 -0600

> That does not work for me.
> 	
> Only when I turn on "nscd" on my linux systems do things work reliably.
> When nscd is not running most of the time I get the empty string.

I created entry 353 in the Mantis bug tracking system.

Jeff
______________________________________________________
Jeffrey O. Hill           Email        [email protected]
LANL MS H820              Voice        505 665 1831
Los Alamos NM 87545 USA   FAX          505 665 5107

Message content: TSPA

> -----Original Message-----
> From: Ernest L. Williams Jr. [mailto:[email protected]]
> Sent: Wednesday, July 22, 2009 9:23 AM
> To: Jeff Hill
> Cc: 'Dirk Zimoch'; [email protected]
> Subject: Re: cainfo does display host info
> 
> Hi Jeff,
> 
> That does not work for me.
> 	
> Only when I turn on "nscd" on my linux systems do things work reliably.
> When nscd is not running most of the time I get the empty string.
> 
> 
> 
> Thanks,
> Ernest
> 
> 
> 
> Jeff Hill wrote:
> > Dirk,
> >
> >
> >> I think the IP address would be better than an empty string.
> >>
> >
> > TBOMK, it does return the dotted IP address as a string if the DNS
> transaction hasn't completed yet. Let me know if that isn’t the case.
> >
> > unsigned hostNameCache::getName (
> >     char * pBuf, unsigned bufSize ) const
> > {
> >     if ( bufSize == 0u ) {
> >         return 0u;
> >     }
> >     epicsGuard < epicsMutex > guard ( this->mutex );
> >     if ( this->nameLength > 0u ) {
> >         if ( this->nameLength < bufSize ) {
> >             strcpy ( pBuf, this->hostNameBuf );
> >             return this->nameLength;
> >         }
> >         else {
> >             unsigned reducedSize = bufSize - 1u;
> >             strncpy ( pBuf, this->hostNameBuf, reducedSize );
> >             pBuf [ reducedSize ] = '\0';
> >             return reducedSize;
> >         }
> >     }
> >     else {
> >         osiSockAddr tmpAddr = this->dnsTransaction.address ();
> >         return sockAddrToDottedIP ( &tmpAddr.sa, pBuf, bufSize );
> >     }
> > }
> >
> > Jeff
> > ______________________________________________________
> > Jeffrey O. Hill           Email        [email protected]
> > LANL MS H820              Voice        505 665 1831
> > Los Alamos NM 87545 USA   FAX          505 665 5107
> >
> > Message content: TSPA
> >
> >
> >
> >> -----Original Message-----
> >> From: Dirk Zimoch [mailto:[email protected]]
> >> Sent: Wednesday, July 22, 2009 12:46 AM
> >> To: Jeff Hill
> >> Cc: [email protected]
> >> Subject: Re: cainfo does display host info
> >>
> >>
> >>
> >> Jeff Hill wrote:
> >>
> >>
> >>> I'm fully open to alternative suggestions.
> >>>
> >> I think the IP address would be better than an empty string.
> >>
> >>
> >> --
> >> Dr. Dirk Zimoch
> >> Paul Scherrer Institut, WBGB/006
> >> 5232 Villigen PSI, Switzerland
> >> Phone +41 56 310 5182
> >>
> >
> >
> >

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System