Hi Dave,
I changed the code as below, but now Get fails and Get next works. The below is
the response.
Dev6-MgmtServer:/usr/sbin # snmpget -v 2c -c public 127.0.0.1
1.3.6.1.4.1.1139.21.2.2.5.1.1.128.221.252.35
SNMPv2-SMI::enterprises.1139.21.2.2.5.1.1.128.221.252.35 = No Such Instance
currently exists at this OID
Dev6-MgmtServer:/usr/sbin # snmpgetnext -v 2c -c public 127.0.0.1
1.3.6.1.4.1.1139.21.2.2.5.1.1.128.221.252.35
SNMPv2-SMI::enterprises.1139.21.2.2.5.1.2.35.252.221.128 = Counter64: 0
The code snipprt is as below::
Any help is highly appreciated.
cout << "initialize_table_vplexDirectorFETable" << endl;
Stringvector idxList;
std::vector<DirectorInfo> dirList =
VPLEXConfigurator::getInstance()->getDirectorsInfo();
VPLEXStatsManager* statsMgr = VPLEXStatsManager::getInstance();
DirectorInfo dir;
String ipAddress;
for(std::vector<DirectorInfo>::iterator i = dirList.begin(); i !=
dirList.end(); i++)
{
dir = *i;
ipAddress = dir.primaryIpAddress;
cout << "ipAddress" << ipAddress << endl;
//vplexDirectorPrimaryIpAddr = htonl(inet_addr(ipAddress.c_str()));
vplexDirectorPrimaryIpAddr = inet_addr(ipAddress.c_str());
cout << "Entry IP" << vplexDirectorPrimaryIpAddr << endl;
entry = vplexDirectorFETable_createEntry(vplexDirectorPrimaryIpAddr);
entry->valid = 1;
/* create a new row in the (unsorted) table */
struct vplexDirectorFETable_entry *
vplexDirectorFETable_createEntry(
in_addr_t vplexDirectorPrimaryIpAddr
) {
struct vplexDirectorFETable_entry *entry;
entry = SNMP_MALLOC_TYPEDEF(struct vplexDirectorFETable_entry);
if (!entry)
return NULL;
entry->vplexDirectorPrimaryIpAddr = vplexDirectorPrimaryIpAddr;
cout << "in vplexDirectorFETable_createEntry" << endl;
cout << "ipAddress--IDX" << entry->vplexDirectorPrimaryIpAddr << endl;
entry->next = vplexDirectorFETable_head;
vplexDirectorFETable_head = entry;
return entry;
}
/* Example iterator hook routines - using 'get_next' to do most of the work */
netsnmp_variable_list *
vplexDirectorFETable_get_first_data_point(void **my_loop_context,
void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
*my_loop_context = vplexDirectorFETable_head;
struct vplexDirectorFETable_entry *entry = (struct
vplexDirectorFETable_entry *)*my_loop_context;
cout << "in vplexDirectorFETable_get_first_data_point" << endl;
cout << "ipAddress" << entry->vplexDirectorPrimaryIpAddr << endl;
netsnmp_variable_list *list =
vplexDirectorFETable_get_next_data_point(my_loop_context, my_data_context,
put_index_data, mydata );
cout << "put_index_data" << *list->val.integer << endl;
return list;
}
netsnmp_variable_list *
vplexDirectorFETable_get_next_data_point(void **my_loop_context,
void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
struct vplexDirectorFETable_entry *entry = (struct
vplexDirectorFETable_entry *)*my_loop_context;
netsnmp_variable_list *idx = put_index_data;
if ( entry ) {
cout << "iam in vplexDirectorFETable_get_next_data_point" << endl;
cout << "idx" << idx << "ipAddress" <<
entry->vplexDirectorPrimaryIpAddr << endl;
//snmp_set_var_typed_integer( idx, ASN_IPADDRESS,
entry->vplexDirectorPrimaryIpAddr) ;
snmp_set_var_typed_value( idx,ASN_IPADDRESS,(u_char *)
&entry->vplexDirectorPrimaryIpAddr,\
sizeof(entry->vplexDirectorPrimaryIpAddr));
idx = idx->next_variable;
*my_data_context = (void *)entry;
*my_loop_context = (void *)entry->next;
return put_index_data;
} else {
return NULL;
}
}
Thx,
Anup
-----Original Message-----
From: dave.shi...@googlemail.com [mailto:dave.shi...@googlemail.com] On Behalf
Of Dave Shield
Sent: Tuesday, August 24, 2010 8:04 PM
To: Shankar, Anup
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: Fails:: SNMPGetNext and GetBulk has the IP Address Index reversed
in the request.
On 24 August 2010 13:48, <anup.shan...@emc.com> wrote:
> snmp_set_var_typed_integer( idx, ASN_IPADDRESS,
> ntohl(entry->vplexDirectorPrimaryIpAddr) );
The SMI type IpAddress is not an integer-based type.
It is a (four-octet) binary string, which holds the address
in network-byte order. See RFC 2758, section 7.1.5
You *might* be able to get away with treating it as an
integer in this way, but I certainly don't think you should
be returning it in host order.
Dave
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