/**
* copy an ipaddress_entry
*
* @retval -1 : error
* @retval 0 : no error
*/
int
netsnmp_access_ipaddress_entry_copy(netsnmp_ipaddress_entry *lhs,
netsnmp_ipaddress_entry *rhs)
{
int rc;
/*
* copy arch stuff. we don't care if it changed
*/
rc = netsnmp_arch_ipaddress_entry_copy(lhs,rhs);
if (0 != rc) {
snmp_log(LOG_ERR,"arch ipaddress copy failed\n");
return -1;
}
lhs->if_index = rhs->if_index;
lhs->ia_storagetype = rhs->ia_storagetype;
lhs->ia_address_len = rhs->ia_address_len;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
lhs->ia_type = rhs->ia_type;
lhs->ia_status = rhs->ia_status;
lhs->ia_origin = rhs->ia_origin;
return 0;
}
/**
* copy an ipaddress_entry
*
* @retval -1 : error
* @retval 0 : no error
*/
int
netsnmp_access_ipaddress_entry_copy(netsnmp_ipaddress_entry *lhs,
netsnmp_ipaddress_entry *rhs)
{
int rc;
if (NULL != lhs->ia_prefix_oid)
SNMP_FREE(lhs->ia_prefix_oid);
snmp_clone_mem((void **) &lhs->ia_prefix_oid, rhs->ia_prefix_oid,
rhs->ia_prefix_oid_len * sizeof(oid));
lhs->ia_prefix_oid_len = rhs->ia_prefix_oid_len;
/*
* copy arch stuff. we don't care if it changed
*/
rc = netsnmp_arch_ipaddress_entry_copy(lhs,rhs);
if (0 != rc) {
snmp_log(LOG_ERR,"arch ipaddress copy failed\n");
return -1;
}
lhs->if_index = rhs->if_index;
lhs->ia_storagetype = rhs->ia_storagetype;
lhs->ia_address_len = rhs->ia_address_len;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
lhs->ia_type = rhs->ia_type;
lhs->ia_status = rhs->ia_status;
lhs->ia_origin = rhs->ia_origin;
return 0;
}
/**
* update an old ipaddress_entry from a new one
*
* @note: only mib related items are compared. Internal objects
* such as oid_index, ns_ia_index and flags are not compared.
*
* @retval -1 : error
* @retval >=0 : number of fields updated
*/
int
netsnmp_access_ipaddress_entry_update(netsnmp_ipaddress_entry *lhs,
netsnmp_ipaddress_entry *rhs)
{
int rc, changed = 0;
/*
* copy arch stuff. we don't care if it changed
*/
rc = netsnmp_arch_ipaddress_entry_copy(lhs,rhs);
if (0 != rc) {
snmp_log(LOG_ERR,"arch ipaddress copy failed\n");
return -1;
}
if (lhs->if_index != rhs->if_index) {
++changed;
lhs->if_index = rhs->if_index;
}
if (lhs->ia_storagetype != rhs->ia_storagetype) {
++changed;
lhs->ia_storagetype = rhs->ia_storagetype;
}
if (lhs->ia_address_len != rhs->ia_address_len) {
changed += 2;
lhs->ia_address_len = rhs->ia_address_len;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
}
else if (memcmp(lhs->ia_address, rhs->ia_address, rhs->ia_address_len) != 0) {
++changed;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
}
if (lhs->ia_type != rhs->ia_type) {
++changed;
lhs->ia_type = rhs->ia_type;
}
if (lhs->ia_status != rhs->ia_status) {
++changed;
lhs->ia_status = rhs->ia_status;
}
if (lhs->ia_origin != rhs->ia_origin) {
++changed;
lhs->ia_origin = rhs->ia_origin;
}
return changed;
}
/**
* update an old ipaddress_entry from a new one
*
* @note: only mib related items are compared. Internal objects
* such as oid_index, ns_ia_index and flags are not compared.
*
* @retval -1 : error
* @retval >=0 : number of fields updated
*/
int
netsnmp_access_ipaddress_entry_update(netsnmp_ipaddress_entry *lhs,
netsnmp_ipaddress_entry *rhs)
{
int rc, changed = 0;
/*
* do any memory allocations first, using temp vars, so a failure can
* return w/out chaning lhs entry. length is dealt with right afterwards.
*/
if (lhs->ia_prefix_oid != rhs->ia_prefix_oid) {
oid *tmp_oid;
if (NULL != rhs->ia_prefix_oid) {
int tmp_len = rhs->ia_prefix_oid_len * sizeof(oid);
tmp_oid = malloc(tmp_len);
if (NULL == tmp_oid) {
snmp_log(LOG_ERR, "malloc failed\n");
return -1;
}
memcpy(tmp_oid,rhs->ia_prefix_oid, tmp_len);
}
else
tmp_oid = NULL;
if (NULL != lhs->ia_prefix_oid)
SNMP_FREE(lhs->ia_prefix_oid);
lhs->ia_prefix_oid = tmp_oid;
++changed;
}
if (lhs->ia_prefix_oid_len != rhs->ia_prefix_oid_len) {
++changed;
lhs->ia_prefix_oid_len = rhs->ia_prefix_oid_len;
}
/*
* copy arch stuff. we don't care if it changed
*/
rc = netsnmp_arch_ipaddress_entry_copy(lhs,rhs);
if (0 != rc) {
snmp_log(LOG_ERR,"arch ipaddress copy failed\n");
return -1;
}
if (lhs->if_index != rhs->if_index) {
++changed;
lhs->if_index = rhs->if_index;
}
if (lhs->ia_storagetype != rhs->ia_storagetype) {
++changed;
lhs->ia_storagetype = rhs->ia_storagetype;
}
if (lhs->ia_address_len != rhs->ia_address_len) {
changed += 2;
lhs->ia_address_len = rhs->ia_address_len;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
}
else if (memcmp(lhs->ia_address, rhs->ia_address, rhs->ia_address_len) != 0) {
++changed;
memcpy(lhs->ia_address, rhs->ia_address, rhs->ia_address_len);
}
if (lhs->ia_type != rhs->ia_type) {
++changed;
lhs->ia_type = rhs->ia_type;
}
if (lhs->ia_status != rhs->ia_status) {
++changed;
lhs->ia_status = rhs->ia_status;
}
if (lhs->ia_origin != rhs->ia_origin) {
++changed;
lhs->ia_origin = rhs->ia_origin;
}
return changed;
}
