/*
* Copyright IBM Corporation, 2013. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.controller.md.statistics.manager;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.opendaylight.controller.md.statistics.manager.NodeStatisticsAger.FlowEntry;
import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsUpdate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsDataBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.OpendaylightFlowStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.statistics.FlowStatisticsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupFeaturesUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterConfigStatsUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterFeaturesUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated;
import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer3Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
import org.opendaylight.yang.gen.v1.urn.opendaylight.model.statistics.types.rev130925.GenericStatistics;
import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.NodeConnectorStatisticsUpdate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Class implement statistics manager related listener interface and augment all the
* received statistics data to data stores.
* TODO: Need to add error message listener and clean-up the associated tx id
* if it exists in the tx-id cache.
* @author vishnoianil
*
*/
public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsListener,
OpendaylightMeterStatisticsListener,
OpendaylightFlowStatisticsListener,
OpendaylightPortStatisticsListener,
OpendaylightFlowTableStatisticsListener,
OpendaylightQueueStatisticsListener{
private final static Logger sucLogger = LoggerFactory.getLogger(StatisticsUpdateCommiter.class);
private final StatisticsProvider statisticsManager;
private final MultipartMessageManager messageManager;
private int unaccountedFlowsCounter = 1;
/**
* default ctor
* @param manager
*/
public StatisticsUpdateCommiter(final StatisticsProvider manager){
this.statisticsManager = manager;
this.messageManager = this.statisticsManager.getMultipartMessageManager();
}
@Override
public void onMeterConfigStatsUpdated(final MeterConfigStatsUpdated notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
//Add statistics to local cache
final NodeStatisticsAger sna = this.statisticsManager.getStatisticsHandler(notification.getId());
if (sna != null) {
sna.updateMeterConfigStats(notification.getMeterConfigStats());
}
}
@Override
public void onMeterStatisticsUpdated(MeterStatisticsUpdated notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
//Add statistics to local cache
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateMeterStats(notification.getMeterStats());
}
}
@Override
public void onGroupDescStatsUpdated(GroupDescStatsUpdated notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
final NodeStatisticsAger nsa = statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateGroupDescStats(notification.getGroupDescStats());
}
}
@Override
public void onGroupStatisticsUpdated(GroupStatisticsUpdated notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
final NodeStatisticsAger nsa = statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateGroupStats(notification.getGroupStats());
}
}
@Override
public void onMeterFeaturesUpdated(MeterFeaturesUpdated notification) {
final NodeStatisticsAger sna = this.statisticsManager.getStatisticsHandler(notification.getId());
if (sna != null) {
sna.updateMeterFeatures(notification);
}
}
@Override
public void onGroupFeaturesUpdated(GroupFeaturesUpdated notification) {
final NodeStatisticsAger sna = this.statisticsManager.getStatisticsHandler(notification.getId());
if (sna != null) {
sna.updateGroupFeatures(notification);
}
}
@Override
public void onFlowsStatisticsUpdate(final FlowsStatisticsUpdate notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
sucLogger.debug("Received flow stats update : {}",notification.toString());
final NodeKey key = new NodeKey(notification.getId());
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(key.getId());
DataModificationTransaction it = this.statisticsManager.startChange();
for(FlowAndStatisticsMapList map: notification.getFlowAndStatisticsMapList()){
short tableId = map.getTableId();
boolean foundOriginalFlow = false;
FlowBuilder flowBuilder = new FlowBuilder();
FlowStatisticsDataBuilder flowStatisticsData = new FlowStatisticsDataBuilder();
FlowBuilder flow = new FlowBuilder();
flow.setContainerName(map.getContainerName());
flow.setBufferId(map.getBufferId());
flow.setCookie(map.getCookie());
flow.setCookieMask(map.getCookieMask());
flow.setFlags(map.getFlags());
flow.setFlowName(map.getFlowName());
flow.setHardTimeout(map.getHardTimeout());
if(map.getFlowId() != null)
flow.setId(new FlowId(map.getFlowId().getValue()));
flow.setIdleTimeout(map.getIdleTimeout());
flow.setInstallHw(map.isInstallHw());
flow.setInstructions(map.getInstructions());
if(map.getFlowId()!= null)
flow.setKey(new FlowKey(new FlowId(map.getKey().getFlowId().getValue())));
flow.setMatch(map.getMatch());
flow.setOutGroup(map.getOutGroup());
flow.setOutPort(map.getOutPort());
flow.setPriority(map.getPriority());
flow.setStrict(map.isStrict());
flow.setTableId(tableId);
Flow flowRule = flow.build();
FlowAndStatisticsMapListBuilder stats = new FlowAndStatisticsMapListBuilder();
stats.setByteCount(map.getByteCount());
stats.setPacketCount(map.getPacketCount());
stats.setDuration(map.getDuration());
GenericStatistics flowStats = stats.build();
//Augment the data to the flow node
FlowStatisticsBuilder flowStatistics = new FlowStatisticsBuilder();
flowStatistics.setByteCount(flowStats.getByteCount());
flowStatistics.setPacketCount(flowStats.getPacketCount());
flowStatistics.setDuration(flowStats.getDuration());
flowStatistics.setContainerName(map.getContainerName());
flowStatistics.setBufferId(map.getBufferId());
flowStatistics.setCookie(map.getCookie());
flowStatistics.setCookieMask(map.getCookieMask());
flowStatistics.setFlags(map.getFlags());
flowStatistics.setFlowName(map.getFlowName());
flowStatistics.setHardTimeout(map.getHardTimeout());
flowStatistics.setIdleTimeout(map.getIdleTimeout());
flowStatistics.setInstallHw(map.isInstallHw());
flowStatistics.setInstructions(map.getInstructions());
flowStatistics.setMatch(map.getMatch());
flowStatistics.setOutGroup(map.getOutGroup());
flowStatistics.setOutPort(map.getOutPort());
flowStatistics.setPriority(map.getPriority());
flowStatistics.setStrict(map.isStrict());
flowStatistics.setTableId(tableId);
flowStatisticsData.setFlowStatistics(flowStatistics.build());
sucLogger.debug("Flow : {}",flowRule.toString());
sucLogger.debug("Statistics to augment : {}",flowStatistics.build().toString());
InstanceIdentifier
tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
.augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId)).toInstance();
Table table= (Table)it.readConfigurationData(tableRef);
//TODO: Not a good way to do it, need to figure out better way.
//TODO: major issue in any alternate approach is that flow key is incrementally assigned
//to the flows stored in data store.
// Augment same statistics to all the matching masked flow
if(table != null){
for(Flow existingFlow : table.getFlow()){
sucLogger.debug("Existing flow in data store : {}",existingFlow.toString());
if(flowEquals(flowRule,existingFlow)){
InstanceIdentifier flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
.augmentation(FlowCapableNode.class)
.child(Table.class, new TableKey(tableId))
.child(Flow.class,existingFlow.getKey()).toInstance();
flowBuilder.setKey(existingFlow.getKey());
flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
sucLogger.debug("Found matching flow in the datastore, augmenting statistics");
foundOriginalFlow = true;
// Update entry with timestamp of latest response
flow.setKey(existingFlow.getKey());
FlowEntry flowStatsEntry = nsa.new FlowEntry(tableId,flow.build());
nsa.updateFlowStats(flowStatsEntry);
it.putOperationalData(flowRef, flowBuilder.build());
}
}
}
table= (Table)it.readOperationalData(tableRef);
if(!foundOriginalFlow && table != null){
for(Flow existingFlow : table.getFlow()){
FlowStatisticsData augmentedflowStatisticsData = existingFlow.getAugmentation(FlowStatisticsData.class);
if(augmentedflowStatisticsData != null){
FlowBuilder existingOperationalFlow = new FlowBuilder();
existingOperationalFlow.fieldsFrom(augmentedflowStatisticsData.getFlowStatistics());
sucLogger.debug("Existing unaccounted flow in operational data store : {}",existingFlow.toString());
if(flowEquals(flowRule,existingOperationalFlow.build())){
InstanceIdentifier flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
.augmentation(FlowCapableNode.class)
.child(Table.class, new TableKey(tableId))
.child(Flow.class,existingFlow.getKey()).toInstance();
flowBuilder.setKey(existingFlow.getKey());
flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
sucLogger.debug("Found matching unaccounted flow in the operational datastore, augmenting statistics");
foundOriginalFlow = true;
// Update entry with timestamp of latest response
flow.setKey(existingFlow.getKey());
FlowEntry flowStatsEntry = nsa.new FlowEntry(tableId,flow.build());
nsa.updateFlowStats(flowStatsEntry);
it.putOperationalData(flowRef, flowBuilder.build());
break;
}
}
}
}
if(!foundOriginalFlow){
String flowKey = "#UF$TABLE*"+Short.toString(tableId)+"*"+Integer.toString(this.unaccountedFlowsCounter);
this.unaccountedFlowsCounter++;
FlowKey newFlowKey = new FlowKey(new FlowId(flowKey));
InstanceIdentifier flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
.augmentation(FlowCapableNode.class)
.child(Table.class, new TableKey(tableId))
.child(Flow.class,newFlowKey).toInstance();
flowBuilder.setKey(newFlowKey);
flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
sucLogger.debug("Flow {} is not present in config data store, augmenting statistics as an unaccounted flow",flowBuilder.build());
// Update entry with timestamp of latest response
flow.setKey(newFlowKey);
FlowEntry flowStatsEntry = nsa.new FlowEntry(tableId,flow.build());
nsa.updateFlowStats(flowStatsEntry);
it.putOperationalData(flowRef, flowBuilder.build());
}
}
it.commit();
}
@Override
public void onAggregateFlowStatisticsUpdate(AggregateFlowStatisticsUpdate notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
final Short tableId = messageManager.getTableIdForTxId(notification.getId(),notification.getTransactionId());
nsa.updateAggregateFlowStats(tableId, notification);
}
}
@Override
public void onNodeConnectorStatisticsUpdate(NodeConnectorStatisticsUpdate notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateNodeConnectorStats(notification.getNodeConnectorStatisticsAndPortNumberMap());
}
}
@Override
public void onFlowTableStatisticsUpdate(FlowTableStatisticsUpdate notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateFlowTableStats(notification.getFlowTableAndStatisticsMap());
}
}
@Override
public void onQueueStatisticsUpdate(QueueStatisticsUpdate notification) {
//Check if response is for the request statistics-manager sent.
if(!messageManager.isRequestTxIdExist(notification.getId(),notification.getTransactionId(),notification.isMoreReplies()))
return;
//Add statistics to local cache
final NodeStatisticsAger nsa = this.statisticsManager.getStatisticsHandler(notification.getId());
if (nsa != null) {
nsa.updateQueueStats(notification.getQueueIdAndStatisticsMap());
}
}
public static boolean flowEquals(Flow statsFlow, Flow storedFlow) {
if (statsFlow.getClass() != storedFlow.getClass()) {
return false;
}
if (statsFlow.getContainerName()== null) {
if (storedFlow.getContainerName()!= null) {
return false;
}
} else if(!statsFlow.getContainerName().equals(storedFlow.getContainerName())) {
return false;
}
if (statsFlow.getMatch()== null) {
if (storedFlow.getMatch() != null) {
return false;
}
} //else if(!statsFlow.getMatch().equals(storedFlow.getMatch())) {
else if(!matchEquals(statsFlow.getMatch(), storedFlow.getMatch())) {
return false;
}
if (storedFlow.getPriority() == null) {
if (statsFlow.getPriority() != null && statsFlow.getPriority()!= 0x8000) {
return false;
}
} else if(!statsFlow.getPriority().equals(storedFlow.getPriority())) {
return false;
}
if (statsFlow.getTableId() == null) {
if (storedFlow.getTableId() != null) {
return false;
}
} else if(!statsFlow.getTableId().equals(storedFlow.getTableId())) {
return false;
}
return true;
}
/**
* Explicit equals method to compare the 'match' for flows stored in the data-stores and flow fetched from the switch.
* Flow installation process has three steps
* 1) Store flow in config data store
* 2) and send it to plugin for installation
* 3) Flow gets installed in switch
*
* The flow user wants to install and what finally gets installed in switch can be slightly different.
* E.g, If user installs flow with src/dst ip=10.0.0.1/24, when it get installed in the switch
* src/dst ip will be changes to 10.0.0.0/24 because of netmask of 24. When statistics manager fetch
* stats it gets 10.0.0.0/24 rather then 10.0.0.1/24. Custom match takes care of by using masked ip
* while comparing two ip addresses.
*
* Sometimes when user don't provide few values that is required by flow installation request, like
* priority,hard timeout, idle timeout, cookies etc, plugin usages default values before sending
* request to the switch. So when statistics manager gets flow statistics, it gets the default value.
* But the flow stored in config data store don't have those defaults value. I included those checks
* in the customer flow/match equal function.
*
*
* @param statsFlow
* @param storedFlow
* @return
*/
public static boolean matchEquals(Match statsFlow, Match storedFlow) {
if (statsFlow == storedFlow) {
return true;
}
if (storedFlow.getClass() != statsFlow.getClass()) {
return false;
}
if (storedFlow.getEthernetMatch() == null) {
if (statsFlow.getEthernetMatch() != null) {
return false;
}
} else if(!storedFlow.getEthernetMatch().equals(statsFlow.getEthernetMatch())) {
return false;
}
if (storedFlow.getIcmpv4Match()== null) {
if (statsFlow.getIcmpv4Match() != null) {
return false;
}
} else if(!storedFlow.getIcmpv4Match().equals(statsFlow.getIcmpv4Match())) {
return false;
}
if (storedFlow.getIcmpv6Match() == null) {
if (statsFlow.getIcmpv6Match() != null) {
return false;
}
} else if(!storedFlow.getIcmpv6Match().equals(statsFlow.getIcmpv6Match())) {
return false;
}
if (storedFlow.getInPhyPort() == null) {
if (statsFlow.getInPhyPort() != null) {
return false;
}
} else if(!storedFlow.getInPhyPort().equals(statsFlow.getInPhyPort())) {
return false;
}
if (storedFlow.getInPort()== null) {
if (statsFlow.getInPort() != null) {
return false;
}
} else if(!storedFlow.getInPort().equals(statsFlow.getInPort())) {
return false;
}
if (storedFlow.getIpMatch()== null) {
if (statsFlow.getIpMatch() != null) {
return false;
}
} else if(!storedFlow.getIpMatch().equals(statsFlow.getIpMatch())) {
return false;
}
if (storedFlow.getLayer3Match()== null) {
if (statsFlow.getLayer3Match() != null) {
return false;
}
} else if(!layer3MatchEquals(statsFlow.getLayer3Match(),storedFlow.getLayer3Match())) {
return false;
}
if (storedFlow.getLayer4Match()== null) {
if (statsFlow.getLayer4Match() != null) {
return false;
}
} else if(!storedFlow.getLayer4Match().equals(statsFlow.getLayer4Match())) {
return false;
}
if (storedFlow.getMetadata() == null) {
if (statsFlow.getMetadata() != null) {
return false;
}
} else if(!storedFlow.getMetadata().equals(statsFlow.getMetadata())) {
return false;
}
if (storedFlow.getProtocolMatchFields() == null) {
if (statsFlow.getProtocolMatchFields() != null) {
return false;
}
} else if(!storedFlow.getProtocolMatchFields().equals(statsFlow.getProtocolMatchFields())) {
return false;
}
if (storedFlow.getTunnel()== null) {
if (statsFlow.getTunnel() != null) {
return false;
}
} else if(!storedFlow.getTunnel().equals(statsFlow.getTunnel())) {
return false;
}
if (storedFlow.getVlanMatch()== null) {
if (statsFlow.getVlanMatch() != null) {
return false;
}
} else if(!storedFlow.getVlanMatch().equals(statsFlow.getVlanMatch())) {
return false;
}
return true;
}
protected static boolean layer3MatchEquals(Layer3Match statsLayer3Match, Layer3Match storedLayer3Match){
boolean verdict = true;
if(statsLayer3Match instanceof Ipv4Match && storedLayer3Match instanceof Ipv4Match){
Ipv4Match statsIpv4Match = (Ipv4Match)statsLayer3Match;
Ipv4Match storedIpv4Match = (Ipv4Match)storedLayer3Match;
if (verdict) {
verdict = compareNullSafe(
storedIpv4Match.getIpv4Destination(), statsIpv4Match.getIpv4Destination());
}
if (verdict) {
verdict = compareNullSafe(
statsIpv4Match.getIpv4Source(), storedIpv4Match.getIpv4Source());
}
} else {
Boolean nullCheckOut = checkNullValues(storedLayer3Match, statsLayer3Match);
if (nullCheckOut != null) {
verdict = nullCheckOut;
} else {
verdict = storedLayer3Match.equals(statsLayer3Match);
}
}
return verdict;
}
private static boolean compareNullSafe(Ipv4Prefix statsIpv4, Ipv4Prefix storedIpv4) {
boolean verdict = true;
Boolean checkDestNullValuesOut = checkNullValues(storedIpv4, statsIpv4);
if (checkDestNullValuesOut != null) {
verdict = checkDestNullValuesOut;
} else if(!IpAddressEquals(statsIpv4, storedIpv4)){
verdict = false;
}
return verdict;
}
private static Boolean checkNullValues(Object v1, Object v2) {
Boolean verdict = null;
if (v1 == null && v2 != null) {
verdict = Boolean.FALSE;
} else if (v1 != null && v2 == null) {
verdict = Boolean.FALSE;
} else if (v1 == null && v2 == null) {
verdict = Boolean.TRUE;
}
return verdict;
}
/**
* TODO: why don't we use the default Ipv4Prefix.equals()?
*
* @param statsIpAddress
* @param storedIpAddress
* @return true if IPv4prefixes equals
*/
private static boolean IpAddressEquals(Ipv4Prefix statsIpAddress, Ipv4Prefix storedIpAddress) {
IntegerIpAddress statsIpAddressInt = StrIpToIntIp(statsIpAddress.getValue());
IntegerIpAddress storedIpAddressInt = StrIpToIntIp(storedIpAddress.getValue());
if(IpAndMaskBasedMatch(statsIpAddressInt,storedIpAddressInt)){
return true;
}
if(IpBasedMatch(statsIpAddressInt,storedIpAddressInt)){
return true;
}
return false;
}
private static boolean IpAndMaskBasedMatch(IntegerIpAddress statsIpAddressInt,IntegerIpAddress storedIpAddressInt){
return ((statsIpAddressInt.getIp() & statsIpAddressInt.getMask()) == (storedIpAddressInt.getIp() & storedIpAddressInt.getMask()));
}
private static boolean IpBasedMatch(IntegerIpAddress statsIpAddressInt,IntegerIpAddress storedIpAddressInt){
return (statsIpAddressInt.getIp() == storedIpAddressInt.getIp());
}
/**
* Method return integer version of ip address. Converted int will be mask if
* mask specified
*/
private static IntegerIpAddress StrIpToIntIp(String ipAddresss){
String[] parts = ipAddresss.split("/");
String ip = parts[0];
int prefix;
if (parts.length < 2) {
prefix = 32;
} else {
prefix = Integer.parseInt(parts[1]);
}
IntegerIpAddress integerIpAddress = null;
try {
Inet4Address addr = (Inet4Address) InetAddress.getByName(ip);
byte[] addrBytes = addr.getAddress();
int ipInt = ((addrBytes[0] & 0xFF) << 24) |
((addrBytes[1] & 0xFF) << 16) |
((addrBytes[2] & 0xFF) << 8) |
((addrBytes[3] & 0xFF) << 0);
int mask = 0xffffffff << 32 - prefix;
integerIpAddress = new IntegerIpAddress(ipInt, mask);
} catch (UnknownHostException e){
sucLogger.error("Failed to determine host IP address by name: {}", e.getMessage(), e);
}
return integerIpAddress;
}
static class IntegerIpAddress{
int ip;
int mask;
public IntegerIpAddress(int ip, int mask) {
this.ip = ip;
this.mask = mask;
}
public int getIp() {
return ip;
}
public int getMask() {
return mask;
}
}
}