/**
* mergeSnmpInterfaces
*
* @param scannedNode a {@link org.opennms.netmgt.model.OnmsNode} object.
* @param deleteMissing a boolean.
*/
public void mergeSnmpInterfaces(OnmsNode scannedNode, boolean deleteMissing) {
// we need to skip this step if there is an indication that snmp data collection failed
if (scannedNode.getSnmpInterfaces().size() == 0) {
// we assume here that snmp collection failed and we don't update the snmp data
return;
}
// Build map of ifIndices to scanned SnmpInterfaces
Map<Integer, OnmsSnmpInterface> scannedInterfaceMap = new HashMap<Integer, OnmsSnmpInterface>();
for (OnmsSnmpInterface snmpIface : scannedNode.getSnmpInterfaces()) {
if (snmpIface.getIfIndex() != null) {
scannedInterfaceMap.put(snmpIface.getIfIndex(), snmpIface);
}
}
// for each interface on existing node...
for (Iterator<OnmsSnmpInterface> it = getSnmpInterfaces().iterator(); it.hasNext(); ) {
OnmsSnmpInterface iface = it.next();
OnmsSnmpInterface imported = scannedInterfaceMap.get(iface.getIfIndex());
// remove it since there is no corresponding scanned interface
if (imported == null) {
if (deleteMissing) {
it.remove();
scannedInterfaceMap.remove(iface.getIfIndex());
}
} else {
// merge the data from the corresponding scanned interface
iface.mergeSnmpInterfaceAttributes(imported);
scannedInterfaceMap.remove(iface.getIfIndex());
}
}
// for any scanned interface that was not found on the node add it the database
for (OnmsSnmpInterface snmpIface : scannedInterfaceMap.values()) {
addSnmpInterface(snmpIface);
}
}
