From: john@nospam.demon.co.uk (John McCabe)
Subject: Re: Variant Record Component
Date: Mon, 03 Mar 2003 09:24:54 GMT
Date: 2003-03-03T09:24:54+00:00 [thread overview]
Message-ID: <3e631efc.2445356@news.demon.co.uk> (raw)
In-Reply-To: 3E5F8B38.EE7AE76F@boeing.com
On Fri, 28 Feb 2003 16:15:52 GMT, John Harbaugh
<john.s.harbaugh2@boeing.com> wrote:
>Here's the situation: I'm using a variant record to represent a Link 16
>(JTIDS) J7.6 message for memory-mapped I/O. So a message comes in and,
>based on the message header, a particular structure is frozen. Now I
>pass the message object to a decode function that is looking for
>particular message fields. Well, surprise surprise, we occasionally
>raise Constraint_Error because the field in question is not present.
Areyou sure Constraint_Error is being raised because the field is not
present?
Are you checking the validity bits in the JTIDS message? Obviously if
the validity bits identify a field as being not supplied, trying to
process that field may result in a Constraint_Error if the data is out
of range.
Best Regards
John McCabe
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next prev parent reply other threads:[~2003-03-03 9:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 18:00 Variant Record Component John Harbaugh
2003-02-26 19:08 ` Stephen Leake
2003-02-27 8:17 ` Anders Wirzenius
2003-02-27 8:46 ` John McCabe
2003-02-27 17:26 ` phone number database Stephen Leake
2003-02-27 18:09 ` tmoran
2003-02-28 0:07 ` Matthew Heaney
2003-02-28 6:46 ` Hijacking threads (was phone number database (was Variant Record Component)) Anders Wirzenius
2003-02-26 20:50 ` Variant Record Component David C. Hoos
2003-02-28 16:15 ` John Harbaugh
2003-02-28 18:18 ` tmoran
2003-02-28 22:07 ` John Harbaugh
2003-02-28 20:51 ` Randy Brukardt
2003-03-01 2:34 ` Jeffrey Carter
2003-03-03 9:24 ` John McCabe [this message]
2003-02-26 21:37 ` tmoran
-- strict thread matches above, loose matches on Subject: below --
2003-02-28 19:40 David C. Hoos
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