SNMP Manager Programmer's Guide

Programming Examples
SNMP Manager Programmer’s Guide–134249
2-90
SNMPWALK
if (snmpagt != 0)
{
strcpy(host_int.agent_name, snmpagt);
}
if (dest_port != SNMP_REQUEST_PORT)
{
host_int.dest.sin_port = htons(dest_port);
}
if (timeout != 5)
{
host_int.timeout = timeout * 100;
}
err2 = SNMP_Open_(&host_int, debug_level); <--6
if (err2 != 0)
{
fprintf(stdout, "SNMP_OPEN_ returned error %i.\n", err2);
exit(0);
}
send_pkt = SNMP_Create_Request(GET_NEXT_REQUEST_PDU, VERSION_RFC1067, <--7
strlen(community), community, (INT_32_T)requestid, 1);
SNMP_Bind_Null(send_pkt, /*index to set */ 0, <--8
base_oid.num_components, base_oid.component_list);
/* Obtain buffer space for the packet */
need = 2000;
if ((buffp = (char *)SNMP_memory_alloc(need)) == 0)
return (-1);
EBufferSetup(BFL_IS_DYNAMIC, &ebuff, buffp, need);
/* Send request and receive response */
for (pktnum=1; pktnum <= distance; pktnum++) <--9
{
for (j = 0; j <= retrycnt; j++)
{
if (j == 0)
{
firstid = requestid;
} else
{
fprintf(stdout, "\n---RESENDING PACKET---\n");
/*
* PDU request ID is reset to 1 by setting
* requestid to 0 and then incrementing it
*/
Example 2-11. Contents of snmpwlkc (page 5 of 7)