On Tue, 27 Dec 2011 14:58:03 +0100 Michael wrote:
MS> What I need is a framework where I add my 26 rows at init time and every
MS> GET request will lookup the values in the shared memory (which is
MS> continously updated from a different process).
MS>
MS> Is there such a framework available?
Yep, MFD can do that if you set the right options.
First, you want a container cache. Set the following flags:
cache->flags |=
(NETSNMP_CACHE_DONT_AUTO_RELEASE | NETSNMP_CACHE_DONT_FREE_EXPIRED
| NETSNMP_CACHE_DONT_FREE_BEFORE_LOAD | NETSNMP_CACHE_PRELOAD
| NETSNMP_CACHE_DONT_INVALIDATE_ON_SET);
That will just load the cache once, where you just need to set up the indexes.
Then, if you have one call that gets all the data for a given row, you can use
the row_prep function to load your data as needed for a given row. If you have
individual calls for each piece of data, you can lookup the data in the xxx_get
functions.
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