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/*
* 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.codec.impl;
import java.io.IOException;
import java.io.InputStream;
import java.time.Duration;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.MplsLabel;
import org.onlab.util.Bandwidth;
import org.onosproject.codec.JsonCodec;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.core.DefaultApplicationId;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.GridType;
import org.onosproject.net.HostId;
import org.onosproject.net.IndexedLambda;
import org.onosproject.net.Lambda;
import org.onosproject.net.NetTestTools;
import org.onosproject.net.OchSignalType;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.criteria.Criteria;
import org.onosproject.net.flow.instructions.Instructions;
import org.onosproject.net.flow.criteria.Criterion;
import org.onosproject.net.flow.criteria.EthCriterion;
import org.onosproject.net.flow.instructions.Instruction;
import org.onosproject.net.intent.AbstractIntentTest;
import org.onosproject.net.intent.Constraint;
import org.onosproject.net.intent.HostToHostIntent;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentService;
import org.onosproject.net.intent.IntentServiceAdapter;
import org.onosproject.net.intent.PointToPointIntent;
import org.onosproject.net.intent.constraint.AnnotationConstraint;
import org.onosproject.net.intent.constraint.AsymmetricPathConstraint;
import org.onosproject.net.intent.constraint.BandwidthConstraint;
import org.onosproject.net.intent.constraint.LambdaConstraint;
import org.onosproject.net.intent.constraint.LatencyConstraint;
import org.onosproject.net.intent.constraint.ObstacleConstraint;
import org.onosproject.net.intent.constraint.WaypointConstraint;
import org.onosproject.net.resource.link.BandwidthResource;
import org.onosproject.net.resource.link.LambdaResource;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableList;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.onosproject.codec.impl.IntentJsonMatcher.matchesIntent;
import static org.onosproject.net.NetTestTools.did;
import static org.onosproject.net.NetTestTools.hid;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
/**
* Unit tests for the host to host intent class codec.
*/
public class IntentCodecTest extends AbstractIntentTest {
private final HostId id1 = hid("12:34:56:78:91:ab/1");
private final HostId id2 = hid("12:34:56:78:92:ab/1");
private final ApplicationId appId = new DefaultApplicationId(3, "test");
final TrafficSelector emptySelector =
DefaultTrafficSelector.emptySelector();
final TrafficTreatment emptyTreatment =
DefaultTrafficTreatment.emptyTreatment();
private final MockCodecContext context = new MockCodecContext();
final CoreService mockCoreService = createMock(CoreService.class);
@Before
public void setUpIntentService() {
final IntentService mockIntentService = new IntentServiceAdapter();
context.registerService(IntentService.class, mockIntentService);
context.registerService(CoreService.class, mockCoreService);
expect(mockCoreService.getAppId(appId.name()))
.andReturn(appId);
replay(mockCoreService);
}
/**
* Tests the encoding of a host to host intent.
*/
@Test
public void hostToHostIntent() {
final HostToHostIntent intent =
HostToHostIntent.builder()
.appId(appId)
.one(id1)
.two(id2)
.build();
final JsonCodec<HostToHostIntent> intentCodec =
context.codec(HostToHostIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/**
* Tests the encoding of a point to point intent.
*/
@Test
public void pointToPointIntent() {
ConnectPoint ingress = NetTestTools.connectPoint("ingress", 1);
ConnectPoint egress = NetTestTools.connectPoint("egress", 2);
final PointToPointIntent intent =
PointToPointIntent.builder()
.appId(appId)
.selector(emptySelector)
.treatment(emptyTreatment)
.ingressPoint(ingress)
.egressPoint(egress).build();
final JsonCodec<PointToPointIntent> intentCodec =
context.codec(PointToPointIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/**
* Tests the encoding of an intent with treatment, selector and constraints
* specified.
*/
@Test
public void intentWithTreatmentSelectorAndConstraints() {
ConnectPoint ingress = NetTestTools.connectPoint("ingress", 1);
ConnectPoint egress = NetTestTools.connectPoint("egress", 2);
DeviceId did1 = did("device1");
DeviceId did2 = did("device2");
DeviceId did3 = did("device3");
Lambda ochSignal = Lambda.ochSignal(GridType.DWDM, ChannelSpacing.CHL_100GHZ, 4, 8);
final TrafficSelector selector = DefaultTrafficSelector.builder()
.matchIPProtocol((byte) 3)
.matchMplsLabel(MplsLabel.mplsLabel(4))
.add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID))
.add(Criteria.matchLambda(ochSignal))
.matchEthDst(MacAddress.BROADCAST)
.matchIPDst(IpPrefix.valueOf("1.2.3.4/24"))
.build();
final TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.add(Instructions.modL0Lambda(new IndexedLambda(33)))
.setMpls(MplsLabel.mplsLabel(44))
.setOutput(PortNumber.CONTROLLER)
.setEthDst(MacAddress.BROADCAST)
.build();
final List<Constraint> constraints =
ImmutableList.of(
new BandwidthConstraint(new BandwidthResource(Bandwidth.bps(1.0))),
new LambdaConstraint(LambdaResource.valueOf(3)),
new AnnotationConstraint("key", 33.0),
new AsymmetricPathConstraint(),
new LatencyConstraint(Duration.ofSeconds(2)),
new ObstacleConstraint(did1, did2),
new WaypointConstraint(did3));
final PointToPointIntent intent =
PointToPointIntent.builder()
.appId(appId)
.selector(selector)
.treatment(treatment)
.ingressPoint(ingress)
.egressPoint(egress)
.constraints(constraints)
.build();
final JsonCodec<PointToPointIntent> intentCodec =
context.codec(PointToPointIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/**
* Reads in a rule from the given resource and decodes it.
*
* @param resourceName resource to use to read the JSON for the rule
* @return decoded flow rule
* @throws IOException if processing the resource fails
*/
private Intent getIntent(String resourceName, JsonCodec intentCodec) throws IOException {
InputStream jsonStream = IntentCodecTest.class
.getResourceAsStream(resourceName);
JsonNode json = context.mapper().readTree(jsonStream);
assertThat(json, notNullValue());
Intent intent = (Intent) intentCodec.decode((ObjectNode) json, context);
assertThat(intent, notNullValue());
return intent;
}
/**
* Tests the point to point intent JSON codec.
*
* @throws IOException if JSON processing fails
*/
@Test
public void decodePointToPointIntent() throws IOException {
JsonCodec<Intent> intentCodec = context.codec(Intent.class);
assertThat(intentCodec, notNullValue());
Intent intent = getIntent("PointToPointIntent.json", intentCodec);
assertThat(intent, notNullValue());
assertThat(intent, instanceOf(PointToPointIntent.class));
PointToPointIntent pointIntent = (PointToPointIntent) intent;
assertThat(pointIntent.priority(), is(55));
assertThat(pointIntent.ingressPoint().deviceId(), is(did("0000000000000001")));
assertThat(pointIntent.ingressPoint().port(), is(PortNumber.portNumber(1)));
assertThat(pointIntent.egressPoint().deviceId(), is(did("0000000000000007")));
assertThat(pointIntent.egressPoint().port(), is(PortNumber.portNumber(2)));
assertThat(pointIntent.constraints(), hasSize(1));
assertThat(pointIntent.selector(), notNullValue());
assertThat(pointIntent.selector().criteria(), hasSize(1));
Criterion criterion1 = pointIntent.selector().criteria().iterator().next();
assertThat(criterion1, instanceOf(EthCriterion.class));
EthCriterion ethCriterion = (EthCriterion) criterion1;
assertThat(ethCriterion.mac().toString(), is("11:22:33:44:55:66"));
assertThat(ethCriterion.type().name(), is("ETH_DST"));
assertThat(pointIntent.treatment(), notNullValue());
assertThat(pointIntent.treatment().allInstructions(), hasSize(1));
Instruction instruction1 = pointIntent.treatment().allInstructions().iterator().next();
assertThat(instruction1, instanceOf(ModEtherInstruction.class));
ModEtherInstruction ethInstruction = (ModEtherInstruction) instruction1;
assertThat(ethInstruction.mac().toString(), is("22:33:44:55:66:77"));
assertThat(ethInstruction.type().toString(), is("L2MODIFICATION"));
assertThat(ethInstruction.subtype().toString(), is("ETH_SRC"));
}
/**
* Tests the host to host intent JSON codec.
*
* @throws IOException
*/
@Test
public void decodeHostToHostIntent() throws IOException {
JsonCodec<Intent> intentCodec = context.codec(Intent.class);
assertThat(intentCodec, notNullValue());
Intent intent = getIntent("HostToHostIntent.json", intentCodec);
assertThat(intent, notNullValue());
assertThat(intent, instanceOf(HostToHostIntent.class));
HostToHostIntent hostIntent = (HostToHostIntent) intent;
assertThat(hostIntent.priority(), is(7));
assertThat(hostIntent.constraints(), hasSize(1));
}
}
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