diff options
Diffstat (limited to 'framework/src/onos/apps/mobility')
3 files changed, 208 insertions, 0 deletions
diff --git a/framework/src/onos/apps/mobility/pom.xml b/framework/src/onos/apps/mobility/pom.xml new file mode 100644 index 00000000..bc50813f --- /dev/null +++ b/framework/src/onos/apps/mobility/pom.xml @@ -0,0 +1,48 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + ~ Copyright 2014 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. + --> +<project xmlns="http://maven.apache.org/POM/4.0.0" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> + <modelVersion>4.0.0</modelVersion> + + <parent> + <groupId>org.onosproject</groupId> + <artifactId>onos-apps</artifactId> + <version>1.3.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <artifactId>onos-app-mobility</artifactId> + <packaging>bundle</packaging> + + <description>Host mobility application</description> + + <properties> + <onos.app.name>org.onosproject.mobility</onos.app.name> + </properties> + + <dependencies> + <dependency> + <groupId>com.google.guava</groupId> + <artifactId>guava</artifactId> + </dependency> + <dependency> + <groupId>org.onosproject</groupId> + <artifactId>onlab-misc</artifactId> + </dependency> + </dependencies> +</project> diff --git a/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/HostMobility.java b/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/HostMobility.java new file mode 100644 index 00000000..652233b4 --- /dev/null +++ b/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/HostMobility.java @@ -0,0 +1,140 @@ +/* + * Copyright 2014 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.mobility; +import static org.slf4j.LoggerFactory.getLogger; + +import java.util.Collection; +import java.util.List; + +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.onosproject.core.ApplicationId; +import org.onosproject.core.CoreService; +import org.onosproject.net.Device; +import org.onosproject.net.Host; +import org.onosproject.net.device.DeviceService; +import org.onosproject.net.flow.FlowRule; +import org.onosproject.net.flow.FlowRuleService; +import org.onosproject.net.flow.criteria.EthCriterion; +import org.onosproject.net.flow.criteria.Criterion; +import org.onosproject.net.flow.criteria.Criterion.Type; +import org.onosproject.net.host.HostEvent; +import org.onosproject.net.host.HostListener; +import org.onosproject.net.host.HostService; +import org.onlab.packet.MacAddress; +import org.slf4j.Logger; + +import com.google.common.collect.Lists; + + +/** + * Sample mobility application. Cleans up flowmods when a host moves. + */ +@Component(immediate = true) +public class HostMobility { + + private final Logger log = getLogger(getClass()); + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected HostService hostService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected FlowRuleService flowRuleService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DeviceService deviceService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected CoreService coreService; + + private ApplicationId appId; + + @Activate + public void activate() { + appId = coreService.registerApplication("org.onosproject.mobility"); + hostService.addListener(new InternalHostListener()); + log.info("Started with Application ID {}", appId.id()); + } + + @Deactivate + public void deactivate() { + flowRuleService.removeFlowRulesById(appId); + log.info("Stopped"); + } + + public class InternalHostListener + implements HostListener { + + @Override + public void event(HostEvent event) { + switch (event.type()) { + case HOST_ADDED: + case HOST_REMOVED: + case HOST_UPDATED: + // don't care if a host has been added, removed. + break; + case HOST_MOVED: + log.info("Host {} has moved; cleaning up.", event.subject()); + cleanup(event.subject()); + break; + + default: + break; + + } + + } + + /** + * For a given host, remove any flow rule which references it's addresses. + * @param host the host to clean up for + */ + private void cleanup(Host host) { + Iterable<Device> devices = deviceService.getDevices(); + List<FlowRule> flowRules = Lists.newLinkedList(); + for (Device device : devices) { + flowRules.addAll(cleanupDevice(device, host)); + } + FlowRule[] flows = new FlowRule[flowRules.size()]; + flows = flowRules.toArray(flows); + flowRuleService.removeFlowRules(flows); + } + + private Collection<? extends FlowRule> cleanupDevice(Device device, Host host) { + List<FlowRule> flowRules = Lists.newLinkedList(); + MacAddress mac = host.mac(); + for (FlowRule rule : flowRuleService.getFlowEntries(device.id())) { + for (Criterion c : rule.selector().criteria()) { + if (c.type() == Type.ETH_DST || c.type() == Type.ETH_SRC) { + EthCriterion eth = (EthCriterion) c; + if (eth.mac().equals(mac)) { + flowRules.add(rule); + } + } + } + } + + return flowRules; + } + + } + +} + + diff --git a/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/package-info.java b/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/package-info.java new file mode 100644 index 00000000..3b581e6f --- /dev/null +++ b/framework/src/onos/apps/mobility/src/main/java/org/onosproject/mobility/package-info.java @@ -0,0 +1,20 @@ +/* + * Copyright 2014 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. + */ + +/** + * Sample application that provides simple form of end-station host mobility. + */ +package org.onosproject.mobility; |