| /* |
| * 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.provider.nil.flow.impl; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.jboss.netty.util.HashedWheelTimer; |
| import org.jboss.netty.util.Timeout; |
| import org.jboss.netty.util.TimerTask; |
| import org.onlab.util.Timer; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.flow.CompletedBatchOperation; |
| import org.onosproject.net.flow.DefaultFlowEntry; |
| import org.onosproject.net.flow.FlowEntry; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleBatchEntry; |
| import org.onosproject.net.flow.FlowRuleBatchOperation; |
| import org.onosproject.net.flow.FlowRuleProvider; |
| import org.onosproject.net.flow.FlowRuleProviderRegistry; |
| import org.onosproject.net.flow.FlowRuleProviderService; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.slf4j.Logger; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Null provider to accept any flow and report them. |
| */ |
| @Component(immediate = true) |
| public class NullFlowRuleProvider extends AbstractProvider implements FlowRuleProvider { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleProviderRegistry providerRegistry; |
| |
| private ConcurrentMap<DeviceId, Set<FlowEntry>> flowTable = new ConcurrentHashMap<>(); |
| |
| private FlowRuleProviderService providerService; |
| |
| private HashedWheelTimer timer = Timer.getTimer(); |
| private Timeout timeout; |
| |
| public NullFlowRuleProvider() { |
| super(new ProviderId("null", "org.onosproject.provider.nil")); |
| } |
| |
| @Activate |
| public void activate() { |
| providerService = providerRegistry.register(this); |
| timeout = timer.newTimeout(new StatisticTask(), 5, TimeUnit.SECONDS); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| providerRegistry.unregister(this); |
| providerService = null; |
| timeout.cancel(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void applyFlowRule(FlowRule... flowRules) {} |
| |
| @Override |
| public void removeFlowRule(FlowRule... flowRules) {} |
| |
| @Override |
| public void removeRulesById(ApplicationId id, FlowRule... flowRules) { |
| log.info("removal by app id not supported in null provider"); |
| } |
| |
| @Override |
| public void executeBatch( |
| FlowRuleBatchOperation batch) { |
| Set<FlowEntry> flowRules = flowTable.getOrDefault(batch.deviceId(), Sets.newConcurrentHashSet()); |
| for (FlowRuleBatchEntry fbe : batch.getOperations()) { |
| switch (fbe.operator()) { |
| case ADD: |
| flowRules.add(new DefaultFlowEntry(fbe.target())); |
| break; |
| case REMOVE: |
| flowRules.remove(new DefaultFlowEntry(fbe.target())); |
| break; |
| case MODIFY: |
| FlowEntry entry = new DefaultFlowEntry(fbe.target()); |
| flowRules.remove(entry); |
| flowRules.add(entry); |
| break; |
| default: |
| log.error("Unknown flow operation: {}", fbe); |
| } |
| } |
| flowTable.put(batch.deviceId(), flowRules); |
| providerService.batchOperationCompleted(batch.id(), |
| new CompletedBatchOperation( |
| true, |
| Collections.emptySet(), |
| batch.deviceId())); |
| } |
| |
| private class StatisticTask implements TimerTask { |
| |
| @Override |
| public void run(Timeout to) throws Exception { |
| for (DeviceId devId : flowTable.keySet()) { |
| providerService.pushFlowMetrics(devId, |
| flowTable.getOrDefault(devId, Collections.emptySet())); |
| } |
| timeout = timer.newTimeout(to.getTask(), 5, TimeUnit.SECONDS); |
| |
| } |
| } |
| } |