On Tue, 19 Aug 2014 13:07:51 -0400 David wrote:
DD> Hello,
DD> I have been studying the code following function wrapper after function
DD> wrapper down the snmp_send trail, trying to work out how the
DD> netsnmp_request_list is involved to stop the listening for responses. I am
DD> trying to keep the session open and listening for responses until a
DD> timeout period so it will receive responses from any IP address. Any help
DD> is very much appreciated. Thank you.
It looks like you need to set an option in the session to enable broadcast
support. I haven't tested to see if this is for sending, receiving, or both.
from snmp_api.c:
#if defined(SO_BROADCAST) && defined(SOL_SOCKET)
if ( in_session->flags & SNMP_FLAGS_UDP_BROADCAST) {
int b = 1;
int rc;
rc = setsockopt(transport->sock, SOL_SOCKET, SO_BROADCAST,
(char *)&b, sizeof(b));
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