blob: 46a360b42c4082f4bb0003ed1f081a5a7ff44617 [file] [log] [blame]
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.driver.pipeline;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.RemovalCause;
import com.google.common.cache.RemovalNotification;
import org.onlab.osgi.ServiceDirectory;
import org.onlab.packet.Ethernet;
import org.onlab.packet.IPv4;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onlab.util.KryoNamespace;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.DeviceId;
import org.onosproject.net.behaviour.NextGroup;
import org.onosproject.net.behaviour.Pipeliner;
import org.onosproject.net.behaviour.PipelinerContext;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import org.onosproject.net.flow.DefaultFlowRule;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.FlowRule;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.flow.FlowRuleOperationsContext;
import org.onosproject.net.flow.FlowRuleService;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.criteria.Criteria;
import org.onosproject.net.flow.criteria.Criterion;
import org.onosproject.net.flow.criteria.EthCriterion;
import org.onosproject.net.flow.criteria.EthTypeCriterion;
import org.onosproject.net.flow.criteria.IPCriterion;
import org.onosproject.net.flow.criteria.IPProtocolCriterion;
import org.onosproject.net.flow.criteria.PortCriterion;
import org.onosproject.net.flow.criteria.VlanIdCriterion;
import org.onosproject.net.flowobjective.FilteringObjective;
import org.onosproject.net.flowobjective.FlowObjectiveStore;
import org.onosproject.net.flowobjective.ForwardingObjective;
import org.onosproject.net.flowobjective.NextObjective;
import org.onosproject.net.flowobjective.Objective;
import org.onosproject.net.flowobjective.ObjectiveError;
import org.onosproject.net.group.DefaultGroupBucket;
import org.onosproject.net.group.DefaultGroupDescription;
import org.onosproject.net.group.DefaultGroupKey;
import org.onosproject.net.group.Group;
import org.onosproject.net.group.GroupBucket;
import org.onosproject.net.group.GroupBuckets;
import org.onosproject.net.group.GroupDescription;
import org.onosproject.net.group.GroupEvent;
import org.onosproject.net.group.GroupKey;
import org.onosproject.net.group.GroupListener;
import org.onosproject.net.group.GroupService;
import org.onosproject.net.meter.MeterService;
import org.slf4j.Logger;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import static org.onlab.util.Tools.groupedThreads;
import static org.slf4j.LoggerFactory.getLogger;
/**
* OpenvSwitch emulation of the Corsa pipeline handler.
*/
public class OVSCorsaPipeline extends AbstractHandlerBehaviour implements Pipeliner {
protected static final int MAC_TABLE = 0;
protected static final int VLAN_MPLS_TABLE = 1;
protected static final int VLAN_TABLE = 2;
//protected static final int MPLS_TABLE = 3;
protected static final int ETHER_TABLE = 4;
protected static final int COS_MAP_TABLE = 5;
protected static final int FIB_TABLE = 6;
protected static final int LOCAL_TABLE = 9;
protected static final int CONTROLLER_PRIORITY = 255;
protected static final int DROP_PRIORITY = 0;
protected static final int HIGHEST_PRIORITY = 0xffff;
private final Logger log = getLogger(getClass());
private ServiceDirectory serviceDirectory;
protected FlowRuleService flowRuleService;
private CoreService coreService;
private GroupService groupService;
protected MeterService meterService;
private FlowObjectiveStore flowObjectiveStore;
protected DeviceId deviceId;
protected ApplicationId appId;
private KryoNamespace appKryo = new KryoNamespace.Builder()
.register(GroupKey.class)
.register(DefaultGroupKey.class)
.register(CorsaGroup.class)
.register(byte[].class)
.build();
private Cache<GroupKey, NextObjective> pendingGroups;
private ScheduledExecutorService groupChecker =
Executors.newScheduledThreadPool(2, groupedThreads("onos/pipeliner",
"ovs-corsa-%d"));
@Override
public void init(DeviceId deviceId, PipelinerContext context) {
this.serviceDirectory = context.directory();
this.deviceId = deviceId;
pendingGroups = CacheBuilder.newBuilder()
.expireAfterWrite(20, TimeUnit.SECONDS)
.removalListener((RemovalNotification<GroupKey, NextObjective> notification) -> {
if (notification.getCause() == RemovalCause.EXPIRED) {
fail(notification.getValue(), ObjectiveError.GROUPINSTALLATIONFAILED);
}
}).build();
groupChecker.scheduleAtFixedRate(new GroupChecker(), 0, 500, TimeUnit.MILLISECONDS);
coreService = serviceDirectory.get(CoreService.class);
flowRuleService = serviceDirectory.get(FlowRuleService.class);
groupService = serviceDirectory.get(GroupService.class);
meterService = serviceDirectory.get(MeterService.class);
flowObjectiveStore = context.store();
groupService.addListener(new InnerGroupListener());
appId = coreService.registerApplication(
"org.onosproject.driver.OVSCorsaPipeline");
initializePipeline();
}
@Override
public void filter(FilteringObjective filteringObjective) {
if (filteringObjective.type() == FilteringObjective.Type.PERMIT) {
processFilter(filteringObjective,
filteringObjective.op() == Objective.Operation.ADD,
filteringObjective.appId());
} else {
fail(filteringObjective, ObjectiveError.UNSUPPORTED);
}
}
@Override
public void forward(ForwardingObjective fwd) {
Collection<FlowRule> rules;
FlowRuleOperations.Builder flowBuilder = FlowRuleOperations.builder();
rules = processForward(fwd);
switch (fwd.op()) {
case ADD:
rules.stream()
.filter(Objects::nonNull)
.forEach(flowBuilder::add);
break;
case REMOVE:
rules.stream()
.filter(Objects::nonNull)
.forEach(flowBuilder::remove);
break;
default:
fail(fwd, ObjectiveError.UNKNOWN);
log.warn("Unknown forwarding type {}", fwd.op());
}
flowRuleService.apply(flowBuilder.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
pass(fwd);
}
@Override
public void onError(FlowRuleOperations ops) {
fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED);
}
}));
}
@Override
public void next(NextObjective nextObjective) {
switch (nextObjective.type()) {
case SIMPLE:
Collection<TrafficTreatment> treatments = nextObjective.next();
if (treatments.size() == 1) {
TrafficTreatment treatment = treatments.iterator().next();
treatment = processNextTreatment(treatment);
GroupBucket bucket =
DefaultGroupBucket.createIndirectGroupBucket(treatment);
final GroupKey key = new DefaultGroupKey(appKryo.serialize(nextObjective.id()));
GroupDescription groupDescription
= new DefaultGroupDescription(deviceId,
GroupDescription.Type.INDIRECT,
new GroupBuckets(Collections
.singletonList(bucket)),
key,
null, // let group service determine group id
nextObjective.appId());
groupService.addGroup(groupDescription);
pendingGroups.put(key, nextObjective);
}
break;
case HASHED:
case BROADCAST:
case FAILOVER:
fail(nextObjective, ObjectiveError.UNSUPPORTED);
log.warn("Unsupported next objective type {}", nextObjective.type());
break;
default:
fail(nextObjective, ObjectiveError.UNKNOWN);
log.warn("Unknown next objective type {}", nextObjective.type());
}
}
/* Hook for altering the NextObjective treatment */
protected TrafficTreatment processNextTreatment(TrafficTreatment treatment) {
return treatment; /* Keep treatment as is for OVSCorsaPipeline */
}
private Collection<FlowRule> processForward(ForwardingObjective fwd) {
switch (fwd.flag()) {
case SPECIFIC:
return processSpecific(fwd);
case VERSATILE:
return processVersatile(fwd);
default:
fail(fwd, ObjectiveError.UNKNOWN);
log.warn("Unknown forwarding flag {}", fwd.flag());
}
return Collections.emptySet();
}
private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
log.debug("Processing versatile forwarding objective");
TrafficSelector selector = fwd.selector();
EthTypeCriterion ethType =
(EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
if (ethType == null) {
log.error("Versatile forwarding objective must include ethType");
fail(fwd, ObjectiveError.UNKNOWN);
return Collections.emptySet();
}
if (ethType.ethType().toShort() == Ethernet.TYPE_ARP) {
log.warn("Driver automatically handles ARP packets by punting to controller "
+ " from ETHER table");
pass(fwd);
return Collections.emptySet();
} else if (ethType.ethType().toShort() == Ethernet.TYPE_LLDP ||
ethType.ethType().toShort() == Ethernet.TYPE_BSN) {
log.warn("Driver currently does not currently handle LLDP packets");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
} else if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) {
IPCriterion ipSrc = (IPCriterion) selector
.getCriterion(Criterion.Type.IPV4_SRC);
IPCriterion ipDst = (IPCriterion) selector
.getCriterion(Criterion.Type.IPV4_DST);
IPProtocolCriterion ipProto = (IPProtocolCriterion) selector
.getCriterion(Criterion.Type.IP_PROTO);
if (ipSrc != null) {
log.warn("Driver does not currently handle matching Src IP");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
if (ipDst != null) {
log.error("Driver handles Dst IP matching as specific forwarding "
+ "objective, not versatile");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
if (ipProto != null && ipProto.protocol() == IPv4.PROTOCOL_TCP) {
log.warn("Driver automatically punts all packets reaching the "
+ "LOCAL table to the controller");
pass(fwd);
return Collections.emptySet();
}
}
log.warn("Driver does not support given versatile forwarding objective");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
private Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
log.debug("Processing specific forwarding objective");
TrafficSelector selector = fwd.selector();
EthTypeCriterion ethType =
(EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
if (ethType != null) {
short et = ethType.ethType().toShort();
if (et == Ethernet.TYPE_IPV4) {
return processSpecificRoute(fwd);
} else if (et == Ethernet.TYPE_VLAN) {
/* The ForwardingObjective must specify VLAN ethtype in order to use the Transit Circuit */
return processSpecificSwitch(fwd);
}
}
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
private Collection<FlowRule> processSpecificRoute(ForwardingObjective fwd) {
TrafficSelector filteredSelector =
DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPDst(
((IPCriterion) fwd.selector().getCriterion(Criterion.Type.IPV4_DST)).ip())
.build();
TrafficTreatment.Builder tb = processSpecificRoutingTreatment();
if (fwd.nextId() != null) {
NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
GroupKey key = appKryo.deserialize(next.data());
Group group = groupService.getGroup(deviceId, key);
if (group == null) {
log.warn("The group left!");
fail(fwd, ObjectiveError.GROUPMISSING);
return Collections.emptySet();
}
tb.group(group.id());
}
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(filteredSelector)
.withTreatment(tb.build());
ruleBuilder = processSpecificRoutingRule(ruleBuilder);
if (fwd.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(fwd.timeout());
}
return Collections.singletonList(ruleBuilder.build());
}
/* Hook for modifying Route traffic treatment */
protected TrafficTreatment.Builder processSpecificRoutingTreatment() {
return DefaultTrafficTreatment.builder();
}
/* Hook for modifying Route flow rule */
protected FlowRule.Builder processSpecificRoutingRule(FlowRule.Builder rb) {
return rb.forTable(FIB_TABLE);
}
protected Collection<FlowRule> processSpecificSwitch(ForwardingObjective fwd) {
/* Not supported by until CorsaPipelineV3 */
log.warn("Vlan switching not supported in ovs-corsa driver");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
protected void processFilter(FilteringObjective filt, boolean install,
ApplicationId applicationId) {
// This driver only processes filtering criteria defined with switch
// ports as the key
PortCriterion p;
if (!filt.key().equals(Criteria.dummy()) &&
filt.key().type() == Criterion.Type.IN_PORT) {
p = (PortCriterion) filt.key();
} else {
log.warn("No key defined in filtering objective from app: {}. Not"
+ "processing filtering objective", applicationId);
fail(filt, ObjectiveError.UNKNOWN);
return;
}
// convert filtering conditions for switch-intfs into flowrules
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
for (Criterion c : filt.conditions()) {
if (c.type() == Criterion.Type.ETH_DST) {
EthCriterion e = (EthCriterion) c;
log.debug("adding rule for MAC: {}", e.mac());
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
selector.matchEthDst(e.mac());
treatment.transition(VLAN_MPLS_TABLE);
FlowRule rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(applicationId)
.makePermanent()
.forTable(MAC_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
} else if (c.type() == Criterion.Type.VLAN_VID) {
VlanIdCriterion v = (VlanIdCriterion) c;
log.debug("adding rule for VLAN: {}", v.vlanId());
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
selector.matchVlanId(v.vlanId());
selector.matchInPort(p.port());
treatment.transition(ETHER_TABLE);
treatment.deferred().popVlan();
FlowRule rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(applicationId)
.makePermanent()
.forTable(VLAN_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
} else if (c.type() == Criterion.Type.IPV4_DST) {
IPCriterion ip = (IPCriterion) c;
log.debug("adding rule for IP: {}", ip.ip());
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
selector.matchEthType(Ethernet.TYPE_IPV4);
selector.matchIPDst(ip.ip());
treatment.transition(LOCAL_TABLE);
FlowRule rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(HIGHEST_PRIORITY)
.fromApp(applicationId)
.makePermanent()
.forTable(FIB_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
} else {
log.warn("Driver does not currently process filtering condition"
+ " of type: {}", c.type());
fail(filt, ObjectiveError.UNSUPPORTED);
}
}
// apply filtering flow rules
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
pass(filt);
log.info("Applied filtering rules");
}
@Override
public void onError(FlowRuleOperations ops) {
fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
log.info("Failed to apply filtering rules");
}
}));
}
protected void pass(Objective obj) {
if (obj.context().isPresent()) {
obj.context().get().onSuccess(obj);
}
}
protected void fail(Objective obj, ObjectiveError error) {
if (obj.context().isPresent()) {
obj.context().get().onError(obj, error);
}
}
protected void initializePipeline() {
processMacTable(true);
processVlanMplsTable(true);
processVlanTable(true);
processEtherTable(true);
processCosTable(true);
processFibTable(true);
processLocalTable(true);
}
private void processMacTable(boolean install) {
TrafficSelector.Builder selector;
TrafficTreatment.Builder treatment;
// Bcast rule
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
selector.matchEthDst(MacAddress.BROADCAST);
treatment.transition(VLAN_MPLS_TABLE);
FlowRule rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(MAC_TABLE).build();
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
ops = install ? ops.add(rule) : ops.remove(rule);
//Drop rule
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
treatment.drop();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(DROP_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(MAC_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned mac table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision mac table");
}
}));
}
protected void processVlanMplsTable(boolean install) {
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment
.builder();
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
selector.matchVlanId(VlanId.ANY);
treatment.transition(VLAN_TABLE);
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(VLAN_MPLS_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned vlan/mpls table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info(
"Failed to provision vlan/mpls table");
}
}));
}
private void processVlanTable(boolean install) {
TrafficSelector.Builder selector;
TrafficTreatment.Builder treatment;
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
//Drop rule
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
treatment.drop();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(DROP_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(VLAN_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned vlan table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision vlan table");
}
}));
}
private void processEtherTable(boolean install) {
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment
.builder();
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
selector.matchEthType(Ethernet.TYPE_ARP);
treatment.punt();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(ETHER_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
selector.matchEthType(Ethernet.TYPE_IPV4);
treatment.transition(COS_MAP_TABLE);
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withPriority(CONTROLLER_PRIORITY)
.withSelector(selector.build())
.withTreatment(treatment.build())
.fromApp(appId)
.makePermanent()
.forTable(ETHER_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
//Drop rule
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
treatment.drop();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(DROP_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(ETHER_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned ether table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision ether table");
}
}));
}
private void processCosTable(boolean install) {
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment
.builder();
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
treatment.transition(FIB_TABLE);
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(DROP_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(COS_MAP_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned cos table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision cos table");
}
}));
}
private void processFibTable(boolean install) {
TrafficSelector.Builder selector;
TrafficTreatment.Builder treatment;
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
//Drop rule
selector = DefaultTrafficSelector.builder();
treatment = DefaultTrafficTreatment.builder();
treatment.drop();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(DROP_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(FIB_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned FIB table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision FIB table");
}
}));
}
private void processLocalTable(boolean install) {
TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment
.builder();
FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
FlowRule rule;
treatment.punt();
rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector.build())
.withTreatment(treatment.build())
.withPriority(CONTROLLER_PRIORITY)
.fromApp(appId)
.makePermanent()
.forTable(LOCAL_TABLE).build();
ops = install ? ops.add(rule) : ops.remove(rule);
flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
log.info("Provisioned Local table");
}
@Override
public void onError(FlowRuleOperations ops) {
log.info("Failed to provision Local table");
}
}));
}
private class InnerGroupListener implements GroupListener {
@Override
public void event(GroupEvent event) {
if (event.type() == GroupEvent.Type.GROUP_ADDED) {
GroupKey key = event.subject().appCookie();
NextObjective obj = pendingGroups.getIfPresent(key);
if (obj != null) {
flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key));
pass(obj);
pendingGroups.invalidate(key);
}
}
}
}
private class GroupChecker implements Runnable {
@Override
public void run() {
Set<GroupKey> keys = pendingGroups.asMap().keySet().stream()
.filter(key -> groupService.getGroup(deviceId, key) != null)
.collect(Collectors.toSet());
keys.stream().forEach(key -> {
NextObjective obj = pendingGroups.getIfPresent(key);
if (obj == null) {
return;
}
pass(obj);
pendingGroups.invalidate(key);
log.info("Heard back from group service for group {}. "
+ "Applying pending forwarding objectives", obj.id());
flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key));
});
}
}
private class CorsaGroup implements NextGroup {
private final GroupKey key;
public CorsaGroup(GroupKey key) {
this.key = key;
}
@SuppressWarnings("unused")
public GroupKey key() {
return key;
}
@Override
public byte[] data() {
return appKryo.serialize(key);
}
}
}