On Fri, 28 May 2004 16:00:44 +0100 Dave wrote:
DS> Have a look at "netsnmp_register_watched_scalar"
DS> Not only does this cope with string values as well as integer ones,
DS> it also handles scalar objects correctly (which netsnmp_register_instance
DS> doesn't - in particular requests for an invalid instance)
If I'm not mistaken, it does have a quirk or two related to strings. I can't
remember exactly, but I want to say that it doesn't handle variable length
strings very well.
DS> I'm afraid there aren't any examples using it (yet!),
DS> but it'd be something like:
I've seen you post this before, so I assume you have a template. Can you update
your template, and add one line:
static char myStringObject[128];
DS> netsnmp_handler_registration *reg =
DS> netsnmp_create_handler_registration(
DS> "myStringObject", NULL,
DS> myStringObjectOID, OID_LENGTH(myStringObjectOID),
DS> HANDLER_CAN_RONLY);
DS> netsnmp_watcher_info *winfo =
DS> netsnmp_create_watcher_info(
DS> myStringObject, strlen(myStringObject),
DS> ASN_OCTET_STR, WATCHER_FIXED_SIZE);
DS> netsnmp_register_watched_scalar( reg, winfo );
I've had at least two people wander through the irc channel using this example
code with a local variable!
--
Robert Story; NET-SNMP Junkie <http://www.net-snmp.org/>
<irc://irc.freenode.net/#net-snmp>
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-users>
You are lost in a twisty maze of little standards, all different.
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