diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
---|---|---|
committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/providers/null | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/providers/null')
20 files changed, 2026 insertions, 0 deletions
diff --git a/framework/src/onos/providers/null/pom.xml b/framework/src/onos/providers/null/pom.xml new file mode 100644 index 00000000..ce547588 --- /dev/null +++ b/framework/src/onos/providers/null/pom.xml @@ -0,0 +1,61 @@ +<?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-providers</artifactId> + <version>1.3.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <artifactId>onos-null-provider</artifactId> + <packaging>bundle</packaging> + + <description>Null southbound providers</description> + + <properties> + <onos.app.name>org.onosproject.null</onos.app.name> + </properties> + + <dependencies> + <dependency> + <groupId>org.osgi</groupId> + <artifactId>org.osgi.compendium</artifactId> + </dependency> + <dependency> + <groupId>org.apache.karaf.shell</groupId> + <artifactId>org.apache.karaf.shell.console</artifactId> + </dependency> + <dependency> + <groupId>org.onosproject</groupId> + <artifactId>onos-cli</artifactId> + <version>${project.version}</version> + </dependency> + + <dependency> + <groupId>org.onosproject</groupId> + <artifactId>onos-api</artifactId> + <classifier>tests</classifier> + <scope>test</scope> + </dependency> + </dependencies> + +</project> diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/AggLinkTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/AggLinkTopologySimulator.java new file mode 100644 index 00000000..2d09ebed --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/AggLinkTopologySimulator.java @@ -0,0 +1,49 @@ +/* + * 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; + +import static com.google.common.base.Preconditions.checkArgument; + +/** + * Simple triangle topology with multiple links between same devices. + */ +public class AggLinkTopologySimulator extends CentipedeTopologySimulator { + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + infrastructurePorts = 2 * deviceCount - 1; + } + + @Override + public void setUpTopology() { + checkArgument(deviceCount > 2, "There must be at least 3 devices"); + super.setUpTopology(); + } + + @Override + protected void createLinks() { + int srcPortOffset = deviceCount + 1; + for (int i = 0, n = deviceCount; i < n; i++) { + int dstPortOffset = 1; + for (int j = 0; j <= i; j++) { + createLink(i, (i + 1) % n, srcPortOffset + j, dstPortOffset + j); + } + srcPortOffset = dstPortOffset + i + 1; + } + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/CentipedeTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/CentipedeTopologySimulator.java new file mode 100644 index 00000000..5234d448 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/CentipedeTopologySimulator.java @@ -0,0 +1,30 @@ +/* + * 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; + +/** + * Linear topology with hosts on every device. + */ +public class CentipedeTopologySimulator extends LinearTopologySimulator { + + /** + * Creates simulated hosts. + */ + protected void createHosts() { + deviceIds.forEach(id -> createHosts(id, infrastructurePorts)); + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/ConfiguredTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/ConfiguredTopologySimulator.java new file mode 100644 index 00000000..ad57bf3f --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/ConfiguredTopologySimulator.java @@ -0,0 +1,44 @@ +/* + * 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; + +/** + * Topology simulator which operates on topology configured via the REST API + * config service. + */ +public class ConfiguredTopologySimulator extends TopologySimulator { + + @Override + protected void createDevices() { + deviceService.getDevices() + .forEach(device -> deviceProviderService + .deviceConnected(device.id(), description(device))); + } + + @Override + protected void createLinks() { + linkService.getLinks() + .forEach(link -> linkProviderService + .linkDetected(description(link))); + } + + @Override + protected void createHosts() { + hostService.getHosts() + .forEach(host -> hostProviderService + .hostDetected(host.id(), description(host))); + } +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/LinearTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/LinearTopologySimulator.java new file mode 100644 index 00000000..beb06c33 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/LinearTopologySimulator.java @@ -0,0 +1,58 @@ +/* + * 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; + +import static com.google.common.base.Preconditions.checkArgument; + +/** + * Linear topology simulator. + */ +public class LinearTopologySimulator extends TopologySimulator { + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + deviceCount = (topoShape.length == 1) ? deviceCount : Integer.parseInt(topoShape[1]); + } + + @Override + public void setUpTopology() { + checkArgument(deviceCount > 1, "There must be at least 2 devices"); + + prepareForDeviceEvents(deviceCount); + createDevices(); + waitForDeviceEvents(); + + createLinks(); + createHosts(); + } + + @Override + protected void createLinks() { + int portOffset = 1; + for (int i = 0, n = deviceCount - 1; i < n; i++) { + createLink(i, i + 1, portOffset, 1); + portOffset = 2; + } + } + + @Override + protected void createHosts() { + createHosts(deviceIds.get(0), infrastructurePorts); + createHosts(deviceIds.get(deviceCount - 1), infrastructurePorts); + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/MeshTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/MeshTopologySimulator.java new file mode 100644 index 00000000..d3f2d6ad --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/MeshTopologySimulator.java @@ -0,0 +1,44 @@ +/* + * 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; + +/** + * Full mesh topology with hosts at each device. + */ +public class MeshTopologySimulator extends TopologySimulator { + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + // FIXME: implement this + } + + @Override + public void setUpTopology() { + // FIXME: implement this + // checkArgument(FIXME, "There must be at least ..."); + super.setUpTopology(); + } + + @Override + protected void createLinks() { + } + + @Override + protected void createHosts() { + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java new file mode 100644 index 00000000..9b01d12a --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java @@ -0,0 +1,132 @@ +/* + * 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; + +import com.google.common.collect.Sets; +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.FlowRuleProviderService; +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. + */ +class NullFlowRuleProvider extends NullProviders.AbstractNullProvider + implements FlowRuleProvider { + + private final Logger log = getLogger(getClass()); + + private ConcurrentMap<DeviceId, Set<FlowEntry>> flowTable = new ConcurrentHashMap<>(); + + private FlowRuleProviderService providerService; + + private HashedWheelTimer timer = Timer.getTimer(); + private Timeout timeout; + + /** + * Starts the flow rule provider simulation. + * + * @param providerService flow rule provider service + */ + void start(FlowRuleProviderService providerService) { + this.providerService = providerService; + timeout = timer.newTimeout(new StatisticTask(), 5, TimeUnit.SECONDS); + } + + /** + * Stops the flow rule provider simulation. + */ + void stop() { + timeout.cancel(); + } + + @Override + public void applyFlowRule(FlowRule... flowRules) { + // FIXME: invoke executeBatch + } + + @Override + public void removeFlowRule(FlowRule... flowRules) { + // FIXME: invoke executeBatch + } + + @Override + public void removeRulesById(ApplicationId id, FlowRule... flowRules) { + throw new UnsupportedOperationException("Cannot remove by appId from null provider"); + } + + @Override + public void executeBatch(FlowRuleBatchOperation batch) { + // TODO: consider checking mastership + Set<FlowEntry> entries = + flowTable.getOrDefault(batch.deviceId(), + Sets.newConcurrentHashSet()); + for (FlowRuleBatchEntry fbe : batch.getOperations()) { + switch (fbe.operator()) { + case ADD: + entries.add(new DefaultFlowEntry(fbe.target())); + break; + case REMOVE: + entries.remove(new DefaultFlowEntry(fbe.target())); + break; + case MODIFY: + FlowEntry entry = new DefaultFlowEntry(fbe.target()); + entries.remove(entry); + entries.add(entry); + break; + default: + log.error("Unknown flow operation: {}", fbe); + } + } + flowTable.put(batch.deviceId(), entries); + CompletedBatchOperation op = + new CompletedBatchOperation(true, Collections.emptySet(), + batch.deviceId()); + providerService.batchOperationCompleted(batch.id(), op); + } + + // Periodically reports flow rule statistics. + private class StatisticTask implements TimerTask { + @Override + public void run(Timeout to) throws Exception { + for (DeviceId devId : flowTable.keySet()) { + Set<FlowEntry> entries = + flowTable.getOrDefault(devId, Collections.emptySet()); + providerService.pushFlowMetrics(devId, entries); + } + timeout = timer.newTimeout(to.getTask(), 5, TimeUnit.SECONDS); + } + } +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullPacketProvider.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullPacketProvider.java new file mode 100644 index 00000000..07a137e9 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullPacketProvider.java @@ -0,0 +1,169 @@ +/* + * 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; + +import org.jboss.netty.util.HashedWheelTimer; +import org.jboss.netty.util.Timeout; +import org.jboss.netty.util.TimerTask; +import org.onlab.packet.Ethernet; +import org.onlab.packet.ICMP; +import org.onlab.util.Timer; +import org.onosproject.net.ConnectPoint; +import org.onosproject.net.Device; +import org.onosproject.net.PortNumber; +import org.onosproject.net.device.DeviceAdminService; +import org.onosproject.net.host.HostService; +import org.onosproject.net.packet.DefaultInboundPacket; +import org.onosproject.net.packet.DefaultPacketContext; +import org.onosproject.net.packet.InboundPacket; +import org.onosproject.net.packet.OutboundPacket; +import org.onosproject.net.packet.PacketProvider; +import org.onosproject.net.packet.PacketProviderService; +import org.slf4j.Logger; + +import java.nio.ByteBuffer; +import java.util.List; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +import static com.google.common.collect.ImmutableList.copyOf; +import static java.util.concurrent.TimeUnit.SECONDS; +import static org.onosproject.net.MastershipRole.MASTER; +import static org.slf4j.LoggerFactory.getLogger; + +/** + * Provider which generates simulated packets and acts as a sink for outbound + * packets. To be used for benchmarking only. + */ +class NullPacketProvider extends NullProviders.AbstractNullProvider + implements PacketProvider { + + private static final int INITIAL_DELAY = 5; + private final Logger log = getLogger(getClass()); + + // Arbitrary host src/dst + private static final int SRC_HOST = 2; + private static final int DST_HOST = 5; + + // Time between event firing, in milliseconds + private int delay; + + // TODO: use host service to pick legitimate hosts connected to devices + private HostService hostService; + private PacketProviderService providerService; + + private List<Device> devices; + private int currentDevice = 0; + + private HashedWheelTimer timer = Timer.getTimer(); + private Timeout timeout; + + /** + * Starts the packet generation process. + * + * @param packetRate packets per second + * @param hostService host service + * @param deviceService device service + * @param providerService packet provider service + */ + void start(int packetRate, HostService hostService, + DeviceAdminService deviceService, + PacketProviderService providerService) { + this.hostService = hostService; + this.providerService = providerService; + + this.devices = copyOf(deviceService.getDevices()).stream() + .filter(d -> deviceService.getRole(d.id()) == MASTER) + .collect(Collectors.toList()); + + adjustRate(packetRate); + timeout = timer.newTimeout(new PacketDriverTask(), INITIAL_DELAY, SECONDS); + } + + /** + * Adjusts packet rate. + * + * @param packetRate new packet rate + */ + void adjustRate(int packetRate) { + delay = 1000 / packetRate; + log.info("Settings: packetRate={}, delay={}", packetRate, delay); + } + + /** + * Stops the packet generation process. + */ + void stop() { + if (timeout != null) { + timeout.cancel(); + } + } + + @Override + public void emit(OutboundPacket packet) { + // We don't have a network to emit to. Keep a counter here, maybe? + } + + /** + * Generates packet events at a given rate. + */ + private class PacketDriverTask implements TimerTask { + + // Filler echo request + ICMP icmp; + Ethernet eth; + + public PacketDriverTask() { + icmp = new ICMP(); + icmp.setIcmpType((byte) 8).setIcmpCode((byte) 0).setChecksum((short) 0); + eth = new Ethernet(); + eth.setEtherType(Ethernet.TYPE_IPV4); + eth.setPayload(icmp); + } + + @Override + public void run(Timeout to) { + if (!devices.isEmpty() && !to.isCancelled()) { + sendEvent(devices.get(Math.min(currentDevice, devices.size() - 1))); + currentDevice = (currentDevice + 1) % devices.size(); + timeout = timer.newTimeout(to.getTask(), delay, TimeUnit.MILLISECONDS); + } + } + + private void sendEvent(Device device) { + // Make it look like things came from ports attached to hosts + eth.setSourceMACAddress("00:00:10:00:00:0" + SRC_HOST) + .setDestinationMACAddress("00:00:10:00:00:0" + DST_HOST); + InboundPacket inPkt = new DefaultInboundPacket( + new ConnectPoint(device.id(), PortNumber.portNumber(SRC_HOST)), + eth, ByteBuffer.wrap(eth.serialize())); + providerService.processPacket(new NullPacketContext(inPkt, null)); + } + } + + // Minimal PacketContext to make core and applications happy. + private final class NullPacketContext extends DefaultPacketContext { + private NullPacketContext(InboundPacket inPkt, OutboundPacket outPkt) { + super(System.currentTimeMillis(), inPkt, outPkt, false); + } + + @Override + public void send() { + // We don't send anything out. + } + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java new file mode 100644 index 00000000..c5688419 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java @@ -0,0 +1,420 @@ +/* + * 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; + +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.Modified; +import org.apache.felix.scr.annotations.Property; +import org.apache.felix.scr.annotations.Reference; +import org.apache.felix.scr.annotations.ReferenceCardinality; +import org.apache.felix.scr.annotations.Service; +import org.onlab.osgi.DefaultServiceDirectory; +import org.onosproject.cfg.ComponentConfigService; +import org.onosproject.cluster.ClusterService; +import org.onosproject.cluster.NodeId; +import org.onosproject.mastership.MastershipAdminService; +import org.onosproject.net.ConnectPoint; +import org.onosproject.net.DeviceId; +import org.onosproject.net.Host; +import org.onosproject.net.MastershipRole; +import org.onosproject.net.device.DeviceAdminService; +import org.onosproject.net.device.DeviceProvider; +import org.onosproject.net.device.DeviceProviderRegistry; +import org.onosproject.net.device.DeviceProviderService; +import org.onosproject.net.flow.FlowRuleProviderRegistry; +import org.onosproject.net.flow.FlowRuleProviderService; +import org.onosproject.net.host.HostProvider; +import org.onosproject.net.host.HostProviderRegistry; +import org.onosproject.net.host.HostProviderService; +import org.onosproject.net.host.HostService; +import org.onosproject.net.link.LinkProvider; +import org.onosproject.net.link.LinkProviderRegistry; +import org.onosproject.net.link.LinkProviderService; +import org.onosproject.net.link.LinkService; +import org.onosproject.net.packet.PacketProviderRegistry; +import org.onosproject.net.packet.PacketProviderService; +import org.onosproject.net.provider.AbstractProvider; +import org.onosproject.net.provider.ProviderId; +import org.osgi.service.component.ComponentContext; +import org.slf4j.Logger; + +import java.util.Dictionary; +import java.util.Properties; + +import static com.google.common.base.Strings.isNullOrEmpty; +import static org.onlab.util.Tools.delay; +import static org.onlab.util.Tools.get; +import static org.onosproject.net.DeviceId.deviceId; +import static org.onosproject.net.MastershipRole.MASTER; +import static org.onosproject.net.MastershipRole.NONE; +import static org.slf4j.LoggerFactory.getLogger; + +/** + * Provider of a fake network environment, i.e. devices, links, hosts, etc. + * To be used for benchmarking only. + */ +@Component(immediate = true) +@Service(value = NullProviders.class) +public class NullProviders { + + private static final Logger log = getLogger(NullProviders.class); + + static final String SCHEME = "null"; + static final String PROVIDER_ID = "org.onosproject.provider.nil"; + + private static final String FORMAT = + "Settings: enabled={}, topoShape={}, deviceCount={}, " + + "hostCount={}, packetRate={}, mutationRate={}"; + + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected ClusterService clusterService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected MastershipAdminService mastershipService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected ComponentConfigService cfgService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DeviceAdminService deviceService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected HostService hostService; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected LinkService linkService; + + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected DeviceProviderRegistry deviceProviderRegistry; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected HostProviderRegistry hostProviderRegistry; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected LinkProviderRegistry linkProviderRegistry; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected FlowRuleProviderRegistry flowRuleProviderRegistry; + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected PacketProviderRegistry packetProviderRegistry; + + + private final NullDeviceProvider deviceProvider = new NullDeviceProvider(); + private final NullLinkProvider linkProvider = new NullLinkProvider(); + private final NullHostProvider hostProvider = new NullHostProvider(); + private final NullFlowRuleProvider flowRuleProvider = new NullFlowRuleProvider(); + private final NullPacketProvider packetProvider = new NullPacketProvider(); + private final TopologyMutationDriver topologyMutationDriver = new TopologyMutationDriver(); + + private DeviceProviderService deviceProviderService; + private HostProviderService hostProviderService; + private LinkProviderService linkProviderService; + private FlowRuleProviderService flowRuleProviderService; + private PacketProviderService packetProviderService; + + private TopologySimulator simulator; + + @Property(name = "enabled", boolValue = false, + label = "Enables or disables the provider") + private boolean enabled = false; + + private static final String DEFAULT_TOPO_SHAPE = "configured"; + @Property(name = "topoShape", value = DEFAULT_TOPO_SHAPE, + label = "Topology shape: configured, linear, reroute, tree, spineleaf, mesh") + private String topoShape = DEFAULT_TOPO_SHAPE; + + private static final int DEFAULT_DEVICE_COUNT = 10; + @Property(name = "deviceCount", intValue = DEFAULT_DEVICE_COUNT, + label = "Number of devices to generate") + private int deviceCount = DEFAULT_DEVICE_COUNT; + + private static final int DEFAULT_HOST_COUNT = 5; + @Property(name = "hostCount", intValue = DEFAULT_HOST_COUNT, + label = "Number of host to generate per device") + private int hostCount = DEFAULT_HOST_COUNT; + + private static final int DEFAULT_PACKET_RATE = 5; + @Property(name = "packetRate", intValue = DEFAULT_PACKET_RATE, + label = "Packet-in/s rate; 0 for no packets") + private int packetRate = DEFAULT_PACKET_RATE; + + private static final double DEFAULT_MUTATION_RATE = 0; + @Property(name = "mutationRate", doubleValue = DEFAULT_MUTATION_RATE, + label = "Link event/s topology mutation rate; 0 for no mutations") + private double mutationRate = DEFAULT_MUTATION_RATE; + + private static final String DEFAULT_MASTERSHIP = "random"; + @Property(name = "mastership", value = DEFAULT_MASTERSHIP, + label = "Mastership given as 'random' or 'node1=dpid,dpid/node2=dpid,...'") + private String mastership = DEFAULT_MASTERSHIP; + + + @Activate + public void activate(ComponentContext context) { + cfgService.registerProperties(getClass()); + + deviceProviderService = deviceProviderRegistry.register(deviceProvider); + hostProviderService = hostProviderRegistry.register(hostProvider); + linkProviderService = linkProviderRegistry.register(linkProvider); + flowRuleProviderService = flowRuleProviderRegistry.register(flowRuleProvider); + packetProviderService = packetProviderRegistry.register(packetProvider); + log.info("Started"); + } + + @Deactivate + public void deactivate(ComponentContext context) { + cfgService.unregisterProperties(getClass(), false); + tearDown(); + + deviceProviderRegistry.unregister(deviceProvider); + hostProviderRegistry.unregister(hostProvider); + linkProviderRegistry.unregister(linkProvider); + flowRuleProviderRegistry.unregister(flowRuleProvider); + packetProviderRegistry.unregister(packetProvider); + + deviceProviderService = null; + hostProviderService = null; + linkProviderService = null; + flowRuleProviderService = null; + packetProviderService = null; + + log.info("Stopped"); + } + + @Modified + public void modified(ComponentContext context) { + Dictionary<?, ?> properties = context != null ? context.getProperties() : new Properties(); + + boolean newEnabled; + int newDeviceCount, newHostCount, newPacketRate; + double newMutationRate; + String newTopoShape, newMastership; + try { + String s = get(properties, "enabled"); + newEnabled = isNullOrEmpty(s) ? enabled : Boolean.parseBoolean(s.trim()); + + newTopoShape = get(properties, "topoShape"); + newMastership = get(properties, "mastership"); + + s = get(properties, "deviceCount"); + newDeviceCount = isNullOrEmpty(s) ? deviceCount : Integer.parseInt(s.trim()); + + s = get(properties, "hostCount"); + newHostCount = isNullOrEmpty(s) ? hostCount : Integer.parseInt(s.trim()); + + s = get(properties, "packetRate"); + newPacketRate = isNullOrEmpty(s) ? packetRate : Integer.parseInt(s.trim()); + + s = get(properties, "mutationRate"); + newMutationRate = isNullOrEmpty(s) ? mutationRate : Double.parseDouble(s.trim()); + + } catch (NumberFormatException e) { + log.warn(e.getMessage()); + newEnabled = enabled; + newTopoShape = topoShape; + newDeviceCount = deviceCount; + newHostCount = hostCount; + newPacketRate = packetRate; + newMutationRate = mutationRate; + newMastership = mastership; + } + + // Any change in the following parameters implies hard restart + if (newEnabled != enabled || !newTopoShape.equals(topoShape) || + newDeviceCount != deviceCount || newHostCount != hostCount) { + enabled = newEnabled; + topoShape = newTopoShape; + deviceCount = newDeviceCount; + hostCount = newHostCount; + packetRate = newPacketRate; + mutationRate = newMutationRate; + restartSimulation(); + } + + // Any change in the following parameters implies just a rate change + if (newPacketRate != packetRate || newMutationRate != mutationRate) { + packetRate = newPacketRate; + mutationRate = newMutationRate; + adjustRates(); + } + + // Any change in mastership implies just reassignments. + if (!newMastership.equals(mastership)) { + mastership = newMastership; + reassignMastership(); + } + + log.info(FORMAT, enabled, topoShape, deviceCount, hostCount, + packetRate, mutationRate); + } + + /** + * Severs the link between the specified end-points in both directions. + * + * @param one link endpoint + * @param two link endpoint + */ + public void severLink(ConnectPoint one, ConnectPoint two) { + if (enabled) { + topologyMutationDriver.severLink(one, two); + } + } + + /** + * Severs the link between the specified end-points in both directions. + * + * @param one link endpoint + * @param two link endpoint + */ + public void repairLink(ConnectPoint one, ConnectPoint two) { + if (enabled) { + topologyMutationDriver.repairLink(one, two); + } + } + + // Resets simulation based on the current configuration parameters. + private void restartSimulation() { + tearDown(); + if (enabled) { + setUp(); + } + } + + // Sets up the topology simulation and all providers. + private void setUp() { + simulator = selectSimulator(topoShape); + simulator.init(topoShape, deviceCount, hostCount, + new DefaultServiceDirectory(), + deviceProviderService, hostProviderService, + linkProviderService); + simulator.setUpTopology(); + flowRuleProvider.start(flowRuleProviderService); + packetProvider.start(packetRate, hostService, deviceService, + packetProviderService); + topologyMutationDriver.start(mutationRate, linkService, deviceService, + linkProviderService); + } + + // Selects the simulator based on the specified name. + private TopologySimulator selectSimulator(String topoShape) { + if (topoShape.matches("linear([,].*|$)")) { + return new LinearTopologySimulator(); + } else if (topoShape.matches("centipede([,].*|$)")) { + return new CentipedeTopologySimulator(); + } else if (topoShape.matches("reroute([,].*|$)")) { + return new RerouteTopologySimulator(); + } else if (topoShape.matches("tree([,].*|$)")) { + return new TreeTopologySimulator(); + } else if (topoShape.matches("agglink([,].*|$)")) { + return new AggLinkTopologySimulator(); + } else if (topoShape.matches("spineleaf([,].*|$)")) { + return new SpineLeafTopologySimulator(); + } else if (topoShape.matches("mesh([,].*|$)")) { + return new MeshTopologySimulator(); + } else { + return new ConfiguredTopologySimulator(); + } + } + + // Shuts down the topology simulator and all providers. + private void tearDown() { + if (simulator != null) { + topologyMutationDriver.stop(); + packetProvider.stop(); + flowRuleProvider.stop(); + delay(500); + simulator.tearDownTopology(); + simulator = null; + } + } + + // Changes packet and mutation rates. + private void adjustRates() { + packetProvider.adjustRate(packetRate); + topologyMutationDriver.adjustRate(mutationRate); + } + + // Re-assigns mastership roles. + private void reassignMastership() { + if (mastership.equals(DEFAULT_MASTERSHIP)) { + mastershipService.balanceRoles(); + } else { + NodeId localNode = clusterService.getLocalNode().id(); + rejectMastership(); + String[] nodeSpecs = mastership.split("/"); + for (int i = 0; i < nodeSpecs.length; i++) { + String[] specs = nodeSpecs[i].split("="); + if (specs[0].equals(localNode.toString())) { + String[] ids = specs[1].split(","); + for (String id : ids) { + mastershipService.setRole(localNode, deviceId(id), MASTER); + } + break; + } + } + } + } + + // Rejects mastership of all devices. + private void rejectMastership() { + NodeId localNode = clusterService.getLocalNode().id(); + deviceService.getDevices() + .forEach(device -> mastershipService.setRole(localNode, device.id(), + NONE)); + } + + // Null provider base class. + abstract static class AbstractNullProvider extends AbstractProvider { + protected AbstractNullProvider() { + super(new ProviderId(SCHEME, PROVIDER_ID)); + } + } + + // Device provider facade. + private class NullDeviceProvider extends AbstractNullProvider implements DeviceProvider { + @Override + public void roleChanged(DeviceId deviceId, MastershipRole newRole) { + deviceProviderService.receivedRoleReply(deviceId, newRole, newRole); + } + + @Override + public boolean isReachable(DeviceId deviceId) { + return topoShape.equals("configured") || + (simulator != null && simulator.contains(deviceId)); + } + + @Override + public void triggerProbe(DeviceId deviceId) { + } + } + + // Host provider facade. + private class NullHostProvider extends AbstractNullProvider implements HostProvider { + @Override + public void triggerProbe(Host host) { + } + } + + // Host provider facade. + private class NullLinkProvider extends AbstractNullProvider implements LinkProvider { + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/RerouteTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/RerouteTopologySimulator.java new file mode 100644 index 00000000..d17466b9 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/RerouteTopologySimulator.java @@ -0,0 +1,57 @@ +/* + * 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; + +import static com.google.common.base.Preconditions.checkArgument; + +/** + * Re-routable linear topology simulator with an alternate path in the middle. + */ +public class RerouteTopologySimulator extends LinearTopologySimulator { + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + infrastructurePorts = 5; + deviceCount = (topoShape.length == 1) ? deviceCount : Integer.parseInt(topoShape[1]); + } + + @Override + public void setUpTopology() { + checkArgument(deviceCount > 2, "There must be at least 3 devices"); + super.setUpTopology(); + } + + @Override + protected void createLinks() { + int portOffset = 1; + for (int i = 0, n = deviceCount - 2; i < n; i++) { + createLink(i, i + 1, portOffset, 1); + portOffset = 2; + } + int middle = (deviceCount - 1) / 2; + int alternate = deviceCount - 1; + createLink(middle - 1, alternate, 3, 1); + createLink(middle, alternate, 3, 2); + } + + @Override + protected void createHosts() { + createHosts(deviceIds.get(0), infrastructurePorts); + createHosts(deviceIds.get(deviceCount - 2), infrastructurePorts); + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/SpineLeafTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/SpineLeafTopologySimulator.java new file mode 100644 index 00000000..876fc5dc --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/SpineLeafTopologySimulator.java @@ -0,0 +1,43 @@ +/* + * 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; + +/** + * Spine-leaf topology with hosts at the leaf devices. + */ +public class SpineLeafTopologySimulator extends TopologySimulator { + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + // FIXME: implement this + } + + @Override + public void setUpTopology() { + // checkArgument(FIXME, "There must be at least one spine tier"); + super.setUpTopology(); + } + + @Override + protected void createLinks() { + } + + @Override + protected void createHosts() { + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologyMutationDriver.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologyMutationDriver.java new file mode 100644 index 00000000..ccf7e08a --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologyMutationDriver.java @@ -0,0 +1,223 @@ +/* + * 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; + +import com.google.common.collect.Lists; +import org.onosproject.net.ConnectPoint; +import org.onosproject.net.device.DeviceService; +import org.onosproject.net.link.DefaultLinkDescription; +import org.onosproject.net.link.LinkDescription; +import org.onosproject.net.link.LinkProviderService; +import org.onosproject.net.link.LinkService; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.List; +import java.util.Random; +import java.util.concurrent.ExecutorService; +import java.util.stream.Collectors; + +import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; +import static org.onlab.util.Tools.delay; +import static org.onlab.util.Tools.groupedThreads; +import static org.onosproject.net.Link.Type.DIRECT; +import static org.onosproject.net.MastershipRole.MASTER; +import static org.onosproject.provider.nil.TopologySimulator.description; + +/** + * Drives topology mutations at a specified rate of events per second. + */ +class TopologyMutationDriver implements Runnable { + + private final Logger log = LoggerFactory.getLogger(getClass()); + + private static final int WAIT_DELAY = 2_000; + private static final int MAX_DOWN_LINKS = 5; + + private final Random random = new Random(); + + private volatile boolean stopped = true; + + private double mutationRate; + private int millis, nanos; + + private LinkService linkService; + private DeviceService deviceService; + private LinkProviderService linkProviderService; + + private List<LinkDescription> activeLinks; + private List<LinkDescription> inactiveLinks; + + private final ExecutorService executor = + newSingleThreadScheduledExecutor(groupedThreads("onos/null", "topo-mutator")); + + /** + * Starts the mutation process. + * + * @param mutationRate link events per second + * @param linkService link service + * @param deviceService device service + * @param linkProviderService link provider service + */ + void start(double mutationRate, + LinkService linkService, DeviceService deviceService, + LinkProviderService linkProviderService) { + stopped = false; + this.linkService = linkService; + this.deviceService = deviceService; + this.linkProviderService = linkProviderService; + activeLinks = reduceLinks(); + inactiveLinks = Lists.newArrayList(); + adjustRate(mutationRate); + executor.submit(this); + } + + /** + * Adjusts the topology mutation rate. + * + * @param mutationRate new topology mutation rate + */ + void adjustRate(double mutationRate) { + this.mutationRate = mutationRate; + if (mutationRate > 0) { + this.millis = (int) (1_000 / mutationRate / 2); + this.nanos = (int) (1_000_000 / mutationRate / 2) % 1_000_000; + } else { + this.millis = 0; + this.nanos = 0; + } + log.info("Settings: millis={}, nanos={}", millis, nanos); + } + + /** + * Stops the mutation process. + */ + void stop() { + stopped = true; + } + + /** + * Severs the link between the specified end-points in both directions. + * + * @param one link endpoint + * @param two link endpoint + */ + void severLink(ConnectPoint one, ConnectPoint two) { + LinkDescription link = new DefaultLinkDescription(one, two, DIRECT); + linkProviderService.linkVanished(link); + linkProviderService.linkVanished(reverse(link)); + + } + + /** + * Repairs the link between the specified end-points in both directions. + * + * @param one link endpoint + * @param two link endpoint + */ + void repairLink(ConnectPoint one, ConnectPoint two) { + LinkDescription link = new DefaultLinkDescription(one, two, DIRECT); + linkProviderService.linkDetected(link); + linkProviderService.linkDetected(reverse(link)); + } + + @Override + public void run() { + delay(WAIT_DELAY); + + while (!stopped) { + if (mutationRate > 0 && inactiveLinks.isEmpty()) { + primeInactiveLinks(); + } else if (mutationRate <= 0 && !inactiveLinks.isEmpty()) { + repairInactiveLinks(); + } else if (inactiveLinks.isEmpty()) { + delay(WAIT_DELAY); + + } else { + activeLinks.add(repairLink()); + pause(); + inactiveLinks.add(severLink()); + pause(); + } + } + } + + // Primes the inactive links with a few random links. + private void primeInactiveLinks() { + for (int i = 0, n = Math.min(MAX_DOWN_LINKS, activeLinks.size()); i < n; i++) { + inactiveLinks.add(severLink()); + } + } + + // Repairs all inactive links. + private void repairInactiveLinks() { + while (!inactiveLinks.isEmpty()) { + repairLink(); + } + } + + // Picks a random active link and severs it. + private LinkDescription severLink() { + LinkDescription link = getRandomLink(activeLinks); + linkProviderService.linkVanished(link); + linkProviderService.linkVanished(reverse(link)); + return link; + } + + // Picks a random inactive link and repairs it. + private LinkDescription repairLink() { + LinkDescription link = getRandomLink(inactiveLinks); + linkProviderService.linkDetected(link); + linkProviderService.linkDetected(reverse(link)); + return link; + } + + // Produces a reverse of the specified link. + private LinkDescription reverse(LinkDescription link) { + return new DefaultLinkDescription(link.dst(), link.src(), link.type()); + } + + // Returns a random link from the specified list of links. + private LinkDescription getRandomLink(List<LinkDescription> links) { + return links.remove(random.nextInt(links.size())); + } + + // Reduces the given list of links to just a single link in each original pair. + private List<LinkDescription> reduceLinks() { + List<LinkDescription> links = Lists.newArrayList(); + linkService.getLinks().forEach(link -> links.add(description(link))); + return links.stream() + .filter(this::isOurLink) + .filter(this::isRightDirection) + .collect(Collectors.toList()); + } + + // Returns true if the specified link is ours. + private boolean isOurLink(LinkDescription linkDescription) { + return deviceService.getRole(linkDescription.src().deviceId()) == MASTER; + } + + // Returns true if the link source is greater than the link destination. + private boolean isRightDirection(LinkDescription link) { + return link.src().deviceId().toString().compareTo(link.dst().deviceId().toString()) > 0; + } + + // Pauses the current thread for the pre-computed time of millis & nanos. + private void pause() { + delay(millis, nanos); + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologySimulator.java new file mode 100644 index 00000000..9f2320ed --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TopologySimulator.java @@ -0,0 +1,382 @@ +/* + * 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; + +import com.google.common.collect.Lists; +import org.onlab.osgi.ServiceDirectory; +import org.onlab.packet.ChassisId; +import org.onlab.packet.IpAddress; +import org.onlab.packet.MacAddress; +import org.onlab.packet.VlanId; +import org.onosproject.cluster.ClusterService; +import org.onosproject.cluster.NodeId; +import org.onosproject.mastership.MastershipService; +import org.onosproject.net.ConnectPoint; +import org.onosproject.net.Device; +import org.onosproject.net.DeviceId; +import org.onosproject.net.Host; +import org.onosproject.net.HostId; +import org.onosproject.net.HostLocation; +import org.onosproject.net.Link; +import org.onosproject.net.Port; +import org.onosproject.net.PortNumber; +import org.onosproject.net.device.DefaultDeviceDescription; +import org.onosproject.net.device.DefaultPortDescription; +import org.onosproject.net.device.DeviceAdminService; +import org.onosproject.net.device.DeviceDescription; +import org.onosproject.net.device.DeviceEvent; +import org.onosproject.net.device.DeviceListener; +import org.onosproject.net.device.DeviceProviderService; +import org.onosproject.net.device.PortDescription; +import org.onosproject.net.host.DefaultHostDescription; +import org.onosproject.net.host.HostDescription; +import org.onosproject.net.host.HostProviderService; +import org.onosproject.net.host.HostService; +import org.onosproject.net.link.DefaultLinkDescription; +import org.onosproject.net.link.LinkProviderService; +import org.onosproject.net.link.LinkService; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import static org.onlab.util.Tools.toHex; +import static org.onosproject.net.HostId.hostId; +import static org.onosproject.net.Link.Type.DIRECT; +import static org.onosproject.net.PortNumber.portNumber; +import static org.onosproject.net.device.DeviceEvent.Type.*; +import static org.onosproject.provider.nil.NullProviders.SCHEME; + +/** + * Abstraction of a provider capable to simulate some network topology. + */ +public abstract class TopologySimulator { + + protected final Logger log = LoggerFactory.getLogger(getClass()); + + protected String[] topoShape; + protected int deviceCount; + protected int hostCount; + + protected ServiceDirectory directory; + protected NodeId localNode; + + protected ClusterService clusterService; + protected MastershipService mastershipService; + + protected DeviceAdminService deviceService; + protected HostService hostService; + protected LinkService linkService; + + protected DeviceProviderService deviceProviderService; + protected HostProviderService hostProviderService; + protected LinkProviderService linkProviderService; + + protected int maxWaitSeconds = 1; + protected int infrastructurePorts = 2; + protected CountDownLatch deviceLatch; + + protected final List<DeviceId> deviceIds = Lists.newArrayList(); + + private DeviceListener deviceEventCounter = new DeviceEventCounter(); + + /** + * Initializes a new topology simulator with access to the specified service + * directory and various provider services. + * + * @param topoShape topology shape specifier + * @param deviceCount number of devices in the topology + * @param hostCount number of hosts per device + * @param directory service directory + * @param deviceProviderService device provider service + * @param hostProviderService host provider service + * @param linkProviderService link provider service + */ + protected void init(String topoShape, int deviceCount, int hostCount, + ServiceDirectory directory, + DeviceProviderService deviceProviderService, + HostProviderService hostProviderService, + LinkProviderService linkProviderService) { + this.deviceCount = deviceCount; + this.hostCount = hostCount; + this.directory = directory; + + this.clusterService = directory.get(ClusterService.class); + this.mastershipService = directory.get(MastershipService.class); + + this.deviceService = directory.get(DeviceAdminService.class); + this.hostService = directory.get(HostService.class); + this.linkService = directory.get(LinkService.class); + this.deviceProviderService = deviceProviderService; + this.hostProviderService = hostProviderService; + this.linkProviderService = linkProviderService; + + localNode = clusterService.getLocalNode().id(); + + processTopoShape(topoShape); + } + + /** + * Processes the topology shape specifier. + * + * @param shape topology shape specifier + */ + protected void processTopoShape(String shape) { + this.topoShape = shape.split(","); + } + + /** + * Sets up network topology simulation. + */ + public void setUpTopology() { + prepareForDeviceEvents(deviceCount); + createDevices(); + waitForDeviceEvents(); + + createLinks(); + createHosts(); + } + + /** + * Creates simulated devices. + */ + protected void createDevices() { + for (int i = 0; i < deviceCount; i++) { + createDevice(i + 1); + } + } + + /** + * Creates simulated links. + */ + protected abstract void createLinks(); + + /** + * Creates simulated hosts. + */ + protected abstract void createHosts(); + + /** + * Creates simulated device. + * + * @param i index of the device id in the list. + */ + protected void createDevice(int i) { + DeviceId id = DeviceId.deviceId(SCHEME + ":" + toHex(i)); + DeviceDescription desc = + new DefaultDeviceDescription(id.uri(), Device.Type.SWITCH, + "ON.Lab", "0.1", "0.1", "1234", + new ChassisId(i)); + deviceIds.add(id); + deviceProviderService.deviceConnected(id, desc); + deviceProviderService.updatePorts(id, buildPorts(hostCount + infrastructurePorts)); + } + +// /** +// * Creates simulated link between two devices on port 1 and port 2. +// * +// * @param i index of one simulated device +// * @param j index of another simulated device +// */ +// protected void createLink(int i, int j) { +// createLink(i, j, 1, 2); +// } + + /** + * Creates simulated link between two devices. + * + * @param i index of one simulated device + * @param j index of another simulated device + * @param pi port number of i-th device + * @param pj port number of j-th device + */ + protected void createLink(int i, int j, int pi, int pj) { + ConnectPoint one = new ConnectPoint(deviceIds.get(i), PortNumber.portNumber(pi)); + ConnectPoint two = new ConnectPoint(deviceIds.get(j), PortNumber.portNumber(pj)); + linkProviderService.linkDetected(new DefaultLinkDescription(one, two, DIRECT)); + linkProviderService.linkDetected(new DefaultLinkDescription(two, one, DIRECT)); + } + + /** + * Creates simularted hosts for the specified device. + * + * @param deviceId device identifier + * @param portOffset port offset where to start attaching hosts + */ + protected void createHosts(DeviceId deviceId, int portOffset) { + String s = deviceId.toString(); + byte dByte = Byte.parseByte(s.substring(s.length() - 1), 16); + // TODO: this limits the simulation to 256 devices & 256 hosts/device. + byte[] macBytes = new byte[]{0, 0, 0, 0, dByte, 0}; + byte[] ipBytes = new byte[]{(byte) 192, (byte) 168, dByte, 0}; + + for (int i = 0; i < hostCount; i++) { + int port = portOffset + i + 1; + macBytes[5] = (byte) (i + 1); + ipBytes[3] = (byte) (i + 1); + HostId id = hostId(MacAddress.valueOf(macBytes), VlanId.NONE); + IpAddress ip = IpAddress.valueOf(IpAddress.Version.INET, ipBytes); + hostProviderService.hostDetected(id, description(id, ip, deviceId, port)); + } + } + + /** + * Prepares to count device added/available/removed events. + * + * @param count number of events to count + */ + protected void prepareForDeviceEvents(int count) { + deviceLatch = new CountDownLatch(count); + deviceService.addListener(deviceEventCounter); + } + + /** + * Waits for all expected device added/available/removed events. + */ + protected void waitForDeviceEvents() { + try { + deviceLatch.await(maxWaitSeconds, TimeUnit.SECONDS); + } catch (InterruptedException e) { + log.warn("Device events did not arrive in time"); + } + deviceService.removeListener(deviceEventCounter); + } + + + /** + * Tears down network topology simulation. + */ + public void tearDownTopology() { + removeHosts(); + removeLinks(); + removeDevices(); + } + + /** + * Removes any hosts previously advertised by this provider. + */ + protected void removeHosts() { + hostService.getHosts() + .forEach(host -> hostProviderService.hostVanished(host.id())); + } + + /** + * Removes any links previously advertised by this provider. + */ + protected void removeLinks() { + linkService.getLinks() + .forEach(link -> linkProviderService.linkVanished(description(link))); + } + + /** + * Removes any devices previously advertised by this provider. + */ + protected void removeDevices() { + prepareForDeviceEvents(deviceIds.size()); + deviceIds.forEach(deviceProviderService::deviceDisconnected); + waitForDeviceEvents(); + deviceIds.clear(); + } + + + /** + * Produces a device description from the given device. + * + * @param device device to copy + * @return device description + */ + static DeviceDescription description(Device device) { + return new DefaultDeviceDescription(device.id().uri(), device.type(), + device.manufacturer(), + device.hwVersion(), device.swVersion(), + device.serialNumber(), device.chassisId()); + } + + /** + * Produces a link description from the given link. + * + * @param link link to copy + * @return link description + */ + static DefaultLinkDescription description(Link link) { + return new DefaultLinkDescription(link.src(), link.dst(), link.type()); + } + + /** + * Produces a host description from the given host. + * + * @param host host to copy + * @return host description + */ + static DefaultHostDescription description(Host host) { + return new DefaultHostDescription(host.mac(), host.vlan(), host.location(), + host.ipAddresses()); + } + + /** + * Generates a host description from the given id and location information. + * + * @param hostId host identifier + * @param ip host IP + * @param deviceId edge device + * @param port edge port + * @return host description + */ + static HostDescription description(HostId hostId, IpAddress ip, + DeviceId deviceId, int port) { + HostLocation location = new HostLocation(deviceId, portNumber(port), 0L); + return new DefaultHostDescription(hostId.mac(), hostId.vlanId(), location, ip); + } + + /** + * Generates a list of a configured number of ports. + * + * @param portCount number of ports + * @return list of ports + */ + protected List<PortDescription> buildPorts(int portCount) { + List<PortDescription> ports = Lists.newArrayList(); + for (int i = 0; i < portCount; i++) { + ports.add(new DefaultPortDescription(PortNumber.portNumber(i), true, + Port.Type.COPPER, 0)); + } + return ports; + } + + /** + * Indicates whether or not the simulation knows of this device. + * + * @param deviceId device identifier + * @return true if device is known + */ + public boolean contains(DeviceId deviceId) { + return deviceIds.contains(deviceId); + } + + // Counts down number of device added/available/removed events. + private class DeviceEventCounter implements DeviceListener { + @Override + public void event(DeviceEvent event) { + DeviceEvent.Type type = event.type(); + if (type == DEVICE_ADDED || type == DEVICE_REMOVED || + type == DEVICE_AVAILABILITY_CHANGED) { + deviceLatch.countDown(); + } + } + } +}
\ No newline at end of file diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TreeTopologySimulator.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TreeTopologySimulator.java new file mode 100644 index 00000000..2c049333 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/TreeTopologySimulator.java @@ -0,0 +1,77 @@ +/* + * 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; + +import static com.google.common.base.Preconditions.checkArgument; + +/** + * Tree topology with hosts at the leaf devices. + */ +public class TreeTopologySimulator extends TopologySimulator { + + private int[] tierMultiplier; + private int[] tierDeviceCount; + private int[] tierOffset; + + @Override + protected void processTopoShape(String shape) { + super.processTopoShape(shape); + tierOffset = new int[topoShape.length]; + tierMultiplier = new int[topoShape.length]; + tierDeviceCount = new int[topoShape.length]; + + deviceCount = 1; + + tierOffset[0] = 0; + tierMultiplier[0] = 1; + tierDeviceCount[0] = deviceCount; + + for (int i = 1; i < topoShape.length; i++) { + tierOffset[i] = deviceCount; + tierMultiplier[i] = Integer.parseInt(topoShape[i]); + tierDeviceCount[i] = tierDeviceCount[i - 1] * tierMultiplier[i]; + deviceCount = deviceCount + tierDeviceCount[i]; + } + } + + @Override + public void setUpTopology() { + checkArgument(tierDeviceCount.length > 0, "There must be at least one tree tier"); + super.setUpTopology(); + } + + @Override + protected void createLinks() { + int portOffset = 1; + for (int t = 1; t < tierOffset.length; t++) { + int child = tierOffset[t]; + for (int parent = tierOffset[t - 1]; parent < tierOffset[t]; parent++) { + for (int i = 0; i < tierMultiplier[t]; i++) { + createLink(parent, child, i + portOffset, 1); + child++; + } + } + portOffset = 2; // beyond first tier, allow for up-links + } + } + + @Override + protected void createHosts() { + for (int i = tierOffset[tierOffset.length - 1]; i < deviceCount; i++) { + createHosts(deviceIds.get(i), hostCount); + } + } +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java new file mode 100644 index 00000000..261f46de --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullControlCommand.java @@ -0,0 +1,52 @@ +/* + * 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.cli; + +import org.apache.karaf.shell.commands.Argument; +import org.apache.karaf.shell.commands.Command; +import org.onosproject.cfg.ComponentConfigService; +import org.onosproject.cli.AbstractShellCommand; +import org.onosproject.provider.nil.NullProviders; + +import static org.onosproject.cli.StartStopCompleter.START; + +/** + * Starts or stops topology simulation. + */ +@Command(scope = "onos", name = "null-simulation", + description = "Starts or stops topology simulation") +public class NullControlCommand extends AbstractShellCommand { + + @Argument(index = 0, name = "cmd", description = "Control command: start/stop", + required = true, multiValued = false) + String cmd = null; + + @Argument(index = 1, name = "topoShape", + description = "Topology shape: e.g. configured, linear, reroute, centipede, tree, spineleaf, mesh", + required = false, multiValued = false) + String topoShape = null; + + @Override + protected void execute() { + ComponentConfigService service = get(ComponentConfigService.class); + if (topoShape != null) { + service.setProperty(NullProviders.class.getName(), "topoShape", topoShape); + } + service.setProperty(NullProviders.class.getName(), "enabled", + cmd.equals(START) ? "true" : "false"); + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java new file mode 100644 index 00000000..a76da3b8 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/NullLinkCommand.java @@ -0,0 +1,68 @@ +/* + * 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.cli; + +import org.apache.karaf.shell.commands.Argument; +import org.apache.karaf.shell.commands.Command; +import org.onosproject.cli.AbstractShellCommand; +import org.onosproject.net.ConnectPoint; +import org.onosproject.provider.nil.NullProviders; + +import static org.onosproject.cli.UpDownCompleter.DOWN; +import static org.onosproject.cli.UpDownCompleter.UP; + +/** + * Servers or repairs a simulated link. + */ +@Command(scope = "onos", name = "null-link", + description = "Severs or repairs a simulated link") +public class NullLinkCommand extends AbstractShellCommand { + + @Argument(index = 0, name = "one", description = "One link end-point as device/port", + required = true, multiValued = false) + String one = null; + + @Argument(index = 1, name = "two", description = "Another link end-point as device/port", + required = true, multiValued = false) + String two = null; + + @Argument(index = 2, name = "cmd", description = "up/down", + required = true, multiValued = false) + String cmd = null; + + + @Override + protected void execute() { + NullProviders service = get(NullProviders.class); + + try { + ConnectPoint onePoint = ConnectPoint.deviceConnectPoint(one); + + ConnectPoint twoPoint = ConnectPoint.deviceConnectPoint(two); + + if (cmd.equals(UP)) { + service.repairLink(onePoint, twoPoint); + } else if (cmd.equals(DOWN)) { + service.severLink(onePoint, twoPoint); + } else { + error("Illegal command %s; must be up or down", cmd); + } + } catch (NumberFormatException e) { + error("Invalid port number specified", e); + } + } + +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java new file mode 100644 index 00000000..fad29b6e --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/TopologyShapeCompleter.java @@ -0,0 +1,32 @@ +/* + * 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.cli; + +import com.google.common.collect.ImmutableList; +import org.onosproject.cli.AbstractChoicesCompleter; + +import java.util.List; + +/** + * Topology shape completer. + */ +public class TopologyShapeCompleter extends AbstractChoicesCompleter { + @Override + public List<String> choices() { + return ImmutableList.of("configured", "linear", "reroute", "centipede", + "tree", "spineleaf", "mesh"); + } +} diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/package-info.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/package-info.java new file mode 100644 index 00000000..f876ced3 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/cli/package-info.java @@ -0,0 +1,20 @@ +/* + * 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. + */ + +/** + * Null provider CLI commands and completers. + */ +package org.onosproject.provider.nil.cli; diff --git a/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/package-info.java b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/package-info.java new file mode 100644 index 00000000..e8d309f7 --- /dev/null +++ b/framework/src/onos/providers/null/src/main/java/org/onosproject/provider/nil/package-info.java @@ -0,0 +1,21 @@ +/* + * 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. + */ + +/** + * Set of null south-bound providers which permit simulating a network + * topology using fake devices, links, hosts, etc. + */ +package org.onosproject.provider.nil; diff --git a/framework/src/onos/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/framework/src/onos/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml new file mode 100644 index 00000000..f96f10cc --- /dev/null +++ b/framework/src/onos/providers/null/src/main/resources/OSGI-INF/blueprint/shell-config.xml @@ -0,0 +1,44 @@ +<!-- + ~ 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. + --> +<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"> + + <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0"> + <command> + <action class="org.onosproject.provider.nil.cli.NullControlCommand"/> + <completers> + <ref component-id="startStopCompleter"/> + <ref component-id="topoShapeCompleter"/> + <null/> + </completers> + </command> + <command> + <action class="org.onosproject.provider.nil.cli.NullLinkCommand"/> + <completers> + <ref component-id="linkSrcCompleter"/> + <ref component-id="linkDstCompleter"/> + <ref component-id="upDownCompleter"/> + <null/> + </completers> + </command> + </command-bundle> + + <bean id="startStopCompleter" class="org.onosproject.cli.StartStopCompleter"/> + <bean id="upDownCompleter" class="org.onosproject.cli.UpDownCompleter"/> + <bean id="topoShapeCompleter" class="org.onosproject.provider.nil.cli.TopologyShapeCompleter"/> + <bean id="linkSrcCompleter" class="org.onosproject.cli.net.LinkSrcCompleter"/> + <bean id="linkDstCompleter" class="org.onosproject.cli.net.LinkDstCompleter"/> + +</blueprint> |