/**
* 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);
}
}
private ArrayList<OnmsResource> populateResourceList(
File parent, File relPath, OnmsNode node, Boolean isForeign) {
ArrayList<OnmsResource> resources = new ArrayList<OnmsResource>();
File[] intfDirs = parent.listFiles(RrdFileConstants.INTERFACE_DIRECTORY_FILTER);
Set<OnmsSnmpInterface> snmpInterfaces = node.getSnmpInterfaces();
Map<String, OnmsSnmpInterface> intfMap = new HashMap<String, OnmsSnmpInterface>();
for (OnmsSnmpInterface snmpInterface : snmpInterfaces) {
/*
* When Cisco Express Forwarding (CEF) or some ATM encapsulations
* (AAL5) are used on Cisco routers, an additional entry might be
* in the ifTable for these sub-interfaces, but there is no
* performance data available for collection. This check excludes
* ifTable entries where ifDescr contains "-cef". See bug #803.
*/
if (snmpInterface.getIfDescr() != null) {
if (Pattern.matches(".*-cef.*", snmpInterface.getIfDescr())) {
continue;
}
}
String replacedIfName = AlphaNumeric.parseAndReplace(snmpInterface.getIfName(), '_');
String replacedIfDescr = AlphaNumeric.parseAndReplace(snmpInterface.getIfDescr(), '_');
String[] keys =
new String[] {
replacedIfName + "-",
replacedIfDescr + "-",
replacedIfName + "-" + snmpInterface.getPhysAddr(),
replacedIfDescr + "-" + snmpInterface.getPhysAddr()
};
for (String key : keys) {
if (!intfMap.containsKey(key)) {
intfMap.put(key, snmpInterface);
}
}
}
for (File intfDir : intfDirs) {
String name = intfDir.getName();
String desc = name;
String mac = "";
// Strip off the MAC address from the end, if there is one
int dashIndex = name.lastIndexOf('-');
if (dashIndex >= 0) {
desc = name.substring(0, dashIndex);
mac = name.substring(dashIndex + 1, name.length());
}
String key = desc + "-" + mac;
OnmsSnmpInterface snmpInterface = intfMap.get(key);
String label;
Long ifSpeed = null;
String ifSpeedFriendly = null;
if (snmpInterface == null) {
label = name + " (*)";
} else {
StringBuffer descr = new StringBuffer();
StringBuffer parenString = new StringBuffer();
if (snmpInterface.getIfAlias() != null) {
parenString.append(snmpInterface.getIfAlias());
}
// Append all of the IP addresses on this ifindex
for (OnmsIpInterface ipif : snmpInterface.getIpInterfaces()) {
String ipaddr = InetAddressUtils.str(ipif.getIpAddress());
if (!"0.0.0.0".equals(ipaddr)) {
if (parenString.length() > 0) {
parenString.append(", ");
}
parenString.append(ipaddr);
}
}
if ((snmpInterface.getIfSpeed() != null) && (snmpInterface.getIfSpeed() != 0)) {
ifSpeed = snmpInterface.getIfSpeed();
ifSpeedFriendly = SIUtils.getHumanReadableIfSpeed(ifSpeed);
if (parenString.length() > 0) {
parenString.append(", ");
}
parenString.append(ifSpeedFriendly);
}
if (snmpInterface.getIfName() != null) {
descr.append(snmpInterface.getIfName());
} else if (snmpInterface.getIfDescr() != null) {
descr.append(snmpInterface.getIfDescr());
} else {
/*
* Should never reach this point, since ifLabel is based on
* the values of ifName and ifDescr but better safe than sorry.
*/
descr.append(name);
}
/* Add the extended information in parenthesis after the ifLabel,
* if such information was found.
*/
if (parenString.length() > 0) {
descr.append(" (");
descr.append(parenString);
descr.append(")");
}
label = descr.toString();
}
OnmsResource resource = null;
if (isForeign) {
resource =
getResourceByNodeSourceAndInterface(
relPath.toString(), intfDir.getName(), label, ifSpeed, ifSpeedFriendly);
} else {
resource =
getResourceByNodeAndInterface(
node.getId(), intfDir.getName(), label, ifSpeed, ifSpeedFriendly);
}
if (snmpInterface != null) {
Set<OnmsIpInterface> ipInterfaces = snmpInterface.getIpInterfaces();
if (ipInterfaces.size() > 0) {
int id = ipInterfaces.iterator().next().getId();
resource.setLink("element/interface.jsp?ipinterfaceid=" + id);
} else {
int ifIndex = snmpInterface.getIfIndex();
if (ifIndex > -1) {
resource.setLink(
"element/snmpinterface.jsp?node=" + node.getNodeId() + "&ifindex=" + ifIndex);
}
}
resource.setEntity(snmpInterface);
} else {
LOG.debug("populateResourceList: snmpInterface is null");
}
LOG.debug("populateResourceList: adding resource toString {}", resource.toString());
resources.add(resource);
}
return resources;
}