Thomas Andrews wrote:
> Thanks Dave. I'm now using the example at
> http://net-snmp.sourceforge.net/dev/agent/watched_8c-example.html
>
> Unfortunately compiling that code gives me this error:
>
> undefined reference to `netsnmp_init_watcher_info6'
Okay, I figured out that netsnmp_init_watcher_info6() is not available
in any version of snmpd for debian, so I cobbled the following together:
void init_watched_string(void)
{
static char my_string[256] = "bla bla bla";
oid my_registration_oid[] = { 1, 3, 6, 1, 4, 1, 8072, 2, 1, 3 };
netsnmp_handler_registration *reginfo;
static netsnmp_watcher_info *watcher_info;
reginfo = netsnmp_create_handler_registration("my example string",
my_handler,
my_registration_oid,
OID_LENGTH(my_registration_oid),
HANDLER_CAN_RWRITE);
watcher_info = netsnmp_create_watcher_info( &my_string,
strlen(my_string), ASN_OCTET_STR, WATCHER_MAX_SIZE);
netsnmp_register_watched_scalar(reginfo, watcher_info);
}
I can now get my_string using a GET but I get this warning when I do so:
NET-SNMP-EXAMPLES-MIB::netSnmpExampleString = Wrong Type (should be
INTEGER): STRING: "bla bla bla"
What am I doing wrong here? Does netsnmp_register_watched_scalar() only
work with INTEGERs ??
This is the command I use for the GET:
snmpget -v1 -c private localhost netSnmpExampleString
Many thanks,
Thomas
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