Remove LinkResourceStore and its implementations
They were deprecated in Emu
Change-Id: I4272c7788bcd74ad7f272392a67b07bde6b09df4
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/LinkResourceStore.java b/core/api/src/main/java/org/onosproject/net/resource/link/LinkResourceStore.java
deleted file mode 100644
index e8a295c..0000000
--- a/core/api/src/main/java/org/onosproject/net/resource/link/LinkResourceStore.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * 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.net.resource.link;
-
-import java.util.Set;
-
-import org.onosproject.net.Link;
-import org.onosproject.net.intent.IntentId;
-import org.onosproject.net.resource.ResourceAllocation;
-
-/**
- * Manages link resources.
- *
- * @deprecated in Emu Release.
- */
-@Deprecated
-public interface LinkResourceStore {
- /**
- * Returns free resources for given link.
- *
- * @param link a target link
- * @return free resources for given link
- */
- Set<ResourceAllocation> getFreeResources(Link link);
-
- /**
- * Allocates resources.
- *
- * @param allocations resources to be allocated
- */
- void allocateResources(LinkResourceAllocations allocations);
-
- /**
- * Releases resources.
- *
- * @param allocations resources to be released
- * @return the link resource event
- */
- LinkResourceEvent releaseResources(LinkResourceAllocations allocations);
-
- /**
- * Returns resources allocated for an Intent.
- *
- * @param intentId the target Intent's ID
- * @return allocated resources or null if no resource is allocated
- */
- LinkResourceAllocations getAllocations(IntentId intentId);
-
- /**
- * Returns resources allocated for a link.
- *
- * @param link the target link
- * @return allocated resources
- */
- Iterable<LinkResourceAllocations> getAllocations(Link link);
-
- /**
- * Returns all allocated resources.
- *
- * @return allocated resources
- */
- Iterable<LinkResourceAllocations> getAllocations();
-}
diff --git a/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStore.java b/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStore.java
deleted file mode 100644
index 22df937..0000000
--- a/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStore.java
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Copyright 2014-2015 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.store.trivial;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-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.Service;
-import org.onlab.util.Bandwidth;
-import org.onlab.util.PositionalParameterStringFormatter;
-import org.onosproject.net.AnnotationKeys;
-import org.onosproject.net.Annotations;
-import org.onosproject.net.Link;
-import org.onosproject.net.intent.IntentId;
-import org.onosproject.net.resource.link.BandwidthResource;
-import org.onosproject.net.resource.link.BandwidthResourceAllocation;
-import org.onosproject.net.resource.link.LambdaResource;
-import org.onosproject.net.resource.link.LambdaResourceAllocation;
-import org.onosproject.net.resource.link.LinkResourceAllocations;
-import org.onosproject.net.resource.link.LinkResourceEvent;
-import org.onosproject.net.resource.link.LinkResourceStore;
-import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceAllocationException;
-import org.onosproject.net.resource.ResourceType;
-import org.slf4j.Logger;
-
-import com.google.common.collect.ImmutableList;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-import static com.google.common.base.Preconditions.checkState;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Manages link resources using trivial in-memory structures implementation.
- *
- * @deprecated in Emu Release
- */
-@Deprecated
-@Component(immediate = true)
-@Service
-public class SimpleLinkResourceStore implements LinkResourceStore {
- private static final BandwidthResource DEFAULT_BANDWIDTH = new BandwidthResource(Bandwidth.mbps(1_000));
- private final Logger log = getLogger(getClass());
-
- private Map<IntentId, LinkResourceAllocations> linkResourceAllocationsMap;
- private Map<Link, Set<LinkResourceAllocations>> allocatedResources;
- private Map<Link, Set<ResourceAllocation>> freeResources;
-
- @Activate
- public void activate() {
- linkResourceAllocationsMap = new HashMap<>();
- allocatedResources = new HashMap<>();
- freeResources = new HashMap<>();
-
- log.info("Started");
- }
-
- @Deactivate
- public void deactivate() {
- log.info("Stopped");
- }
-
- /**
- * Returns free resources for a given link obtaining from topology
- * information.
- *
- * @param link the target link
- * @return free resources
- */
- private synchronized Set<ResourceAllocation> readOriginalFreeResources(Link link) {
- Annotations annotations = link.annotations();
- Set<ResourceAllocation> allocations = new HashSet<>();
-
- try {
- int waves = Integer.parseInt(annotations.value(AnnotationKeys.OPTICAL_WAVES));
- for (int i = 1; i <= waves; i++) {
- allocations.add(new LambdaResourceAllocation(LambdaResource.valueOf(i)));
- }
- } catch (NumberFormatException e) {
- log.debug("No optical.wave annotation on link %s", link);
- }
-
- BandwidthResource bandwidth = DEFAULT_BANDWIDTH;
- try {
- bandwidth = new BandwidthResource(
- Bandwidth.mbps((Double.parseDouble(annotations.value(AnnotationKeys.BANDWIDTH)))));
- } catch (NumberFormatException e) {
- log.debug("No bandwidth annotation on link %s", link);
- }
- allocations.add(
- new BandwidthResourceAllocation(bandwidth));
- return allocations;
- }
-
- /**
- * Finds and returns {@link BandwidthResourceAllocation} object from a given
- * set.
- *
- * @param freeRes a set of ResourceAllocation object.
- * @return {@link BandwidthResourceAllocation} object if found, otherwise
- * {@link BandwidthResourceAllocation} object with 0 bandwidth
- *
- */
- private synchronized BandwidthResourceAllocation getBandwidth(
- Set<ResourceAllocation> freeRes) {
- for (ResourceAllocation res : freeRes) {
- if (res.type() == ResourceType.BANDWIDTH) {
- return (BandwidthResourceAllocation) res;
- }
- }
- return new BandwidthResourceAllocation(new BandwidthResource(Bandwidth.bps(0)));
- }
-
- /**
- * Subtracts given resources from free resources for given link.
- *
- * @param link the target link
- * @param allocations the resources to be subtracted
- */
- private synchronized void subtractFreeResources(Link link,
- LinkResourceAllocations allocations) {
- // TODO Use lock or version for updating freeResources.
- checkNotNull(link);
- Set<ResourceAllocation> freeRes = new HashSet<>(getFreeResources(link));
- Set<ResourceAllocation> subRes = allocations.getResourceAllocation(link);
- for (ResourceAllocation res : subRes) {
- switch (res.type()) {
- case BANDWIDTH:
- BandwidthResourceAllocation ba = getBandwidth(freeRes);
- double requestedBandwidth =
- ((BandwidthResourceAllocation) res).bandwidth().toDouble();
- double newBandwidth = ba.bandwidth().toDouble() - requestedBandwidth;
- if (newBandwidth < 0.0) {
- throw new ResourceAllocationException(
- PositionalParameterStringFormatter.format(
- "Unable to allocate bandwidth for link {} "
- + "requested amount is {} current allocation is {}",
- link,
- requestedBandwidth,
- ba));
- }
- freeRes.remove(ba);
- freeRes.add(new BandwidthResourceAllocation(
- new BandwidthResource(Bandwidth.bps(newBandwidth))));
- break;
- case LAMBDA:
- final boolean lambdaAvailable = freeRes.remove(res);
- if (!lambdaAvailable) {
- int requestedLambda =
- ((LambdaResourceAllocation) res).lambda().toInt();
- throw new ResourceAllocationException(
- PositionalParameterStringFormatter.format(
- "Unable to allocate lambda for link {} lambda is {}",
- link,
- requestedLambda));
- }
- break;
- default:
- break;
- }
- }
- freeResources.put(link, freeRes);
-
- }
-
- /**
- * Adds given resources to free resources for given link.
- *
- * @param link the target link
- * @param allocations the resources to be added
- */
- private synchronized void addFreeResources(Link link,
- LinkResourceAllocations allocations) {
- // TODO Use lock or version for updating freeResources.
- Set<ResourceAllocation> freeRes = new HashSet<>(getFreeResources(link));
- Set<ResourceAllocation> addRes = allocations.getResourceAllocation(link);
- for (ResourceAllocation res : addRes) {
- switch (res.type()) {
- case BANDWIDTH:
- BandwidthResourceAllocation ba = getBandwidth(freeRes);
- double requestedBandwidth =
- ((BandwidthResourceAllocation) res).bandwidth().toDouble();
- double newBandwidth = ba.bandwidth().toDouble() + requestedBandwidth;
- freeRes.remove(ba);
- freeRes.add(new BandwidthResourceAllocation(
- new BandwidthResource(Bandwidth.bps(newBandwidth))));
- break;
- case LAMBDA:
- checkState(freeRes.add(res));
- break;
- default:
- break;
- }
- }
- freeResources.put(link, freeRes);
- }
-
- @Override
- public synchronized Set<ResourceAllocation> getFreeResources(Link link) {
- checkNotNull(link);
- Set<ResourceAllocation> freeRes = freeResources.get(link);
- if (freeRes == null) {
- freeRes = readOriginalFreeResources(link);
- }
-
- return freeRes;
- }
-
- @Override
- public synchronized void allocateResources(LinkResourceAllocations allocations) {
- checkNotNull(allocations);
- linkResourceAllocationsMap.put(allocations.intentId(), allocations);
- for (Link link : allocations.links()) {
- subtractFreeResources(link, allocations);
- Set<LinkResourceAllocations> linkAllocs = allocatedResources.get(link);
- if (linkAllocs == null) {
- linkAllocs = new HashSet<>();
- }
- linkAllocs.add(allocations);
- allocatedResources.put(link, linkAllocs);
- }
- }
-
- @Override
- public synchronized LinkResourceEvent releaseResources(LinkResourceAllocations allocations) {
- checkNotNull(allocations);
- linkResourceAllocationsMap.remove(allocations.intentId());
- for (Link link : allocations.links()) {
- addFreeResources(link, allocations);
- Set<LinkResourceAllocations> linkAllocs = allocatedResources.get(link);
- if (linkAllocs == null) {
- log.error("Missing resource allocation.");
- } else {
- linkAllocs.remove(allocations);
- }
- allocatedResources.put(link, linkAllocs);
- }
-
- final List<LinkResourceAllocations> releasedResources =
- ImmutableList.of(allocations);
-
- return new LinkResourceEvent(
- LinkResourceEvent.Type.ADDITIONAL_RESOURCES_AVAILABLE,
- releasedResources);
- }
-
- @Override
- public synchronized LinkResourceAllocations getAllocations(IntentId intentId) {
- checkNotNull(intentId);
- return linkResourceAllocationsMap.get(intentId);
- }
-
- @Override
- public synchronized Iterable<LinkResourceAllocations> getAllocations(Link link) {
- checkNotNull(link);
- Set<LinkResourceAllocations> result = allocatedResources.get(link);
- if (result == null) {
- result = Collections.emptySet();
- }
- return Collections.unmodifiableSet(result);
- }
-
- @Override
- public synchronized Iterable<LinkResourceAllocations> getAllocations() {
- return Collections.unmodifiableCollection(linkResourceAllocationsMap.values());
- }
-
-
-}
diff --git a/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStoreTest.java b/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStoreTest.java
deleted file mode 100644
index 6f6d853..0000000
--- a/core/common/src/test/java/org/onosproject/store/trivial/SimpleLinkResourceStoreTest.java
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * Copyright 2014-2015 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.store.trivial;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.onlab.util.Bandwidth;
-import org.onosproject.net.AnnotationKeys;
-import org.onosproject.net.Annotations;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.DefaultAnnotations;
-import org.onosproject.net.DefaultLink;
-import org.onosproject.net.Link;
-import org.onosproject.net.intent.IntentId;
-import org.onosproject.net.provider.ProviderId;
-import org.onosproject.net.resource.link.BandwidthResource;
-import org.onosproject.net.resource.link.BandwidthResourceAllocation;
-import org.onosproject.net.resource.link.LambdaResource;
-import org.onosproject.net.resource.link.LambdaResourceAllocation;
-import org.onosproject.net.resource.link.LinkResourceAllocations;
-import org.onosproject.net.resource.link.LinkResourceStore;
-import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceAllocationException;
-import org.onosproject.net.resource.ResourceRequest;
-import org.onosproject.net.resource.ResourceType;
-
-import com.google.common.collect.ImmutableSet;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.onosproject.net.DeviceId.deviceId;
-import static org.onosproject.net.Link.Type.DIRECT;
-import static org.onosproject.net.PortNumber.portNumber;
-
-/**
- * Test of the simple LinkResourceStore implementation.
- */
-public class SimpleLinkResourceStoreTest {
-
- private LinkResourceStore store;
- private SimpleLinkResourceStore simpleStore;
- private Link link1;
- private Link link2;
- private Link link3;
-
- /**
- * Returns {@link Link} object.
- *
- * @param dev1 source device
- * @param port1 source port
- * @param dev2 destination device
- * @param port2 destination port
- * @return created {@link Link} object
- */
- private static Link newLink(String dev1, int port1, String dev2, int port2) {
- Annotations annotations = DefaultAnnotations.builder()
- .set(AnnotationKeys.OPTICAL_WAVES, "80")
- .set(AnnotationKeys.BANDWIDTH, "1000")
- .build();
- return DefaultLink.builder()
- .providerId(new ProviderId("of", "foo"))
- .src(new ConnectPoint(deviceId(dev1), portNumber(port1)))
- .dst(new ConnectPoint(deviceId(dev2), portNumber(port2)))
- .type(DIRECT)
- .annotations(annotations)
- .build();
- }
-
- @Before
- public void setUp() throws Exception {
- simpleStore = new SimpleLinkResourceStore();
- simpleStore.activate();
- store = simpleStore;
-
- link1 = newLink("of:1", 1, "of:2", 2);
- link2 = newLink("of:2", 1, "of:3", 2);
- link3 = newLink("of:3", 1, "of:4", 2);
- }
-
- @After
- public void tearDown() throws Exception {
- simpleStore.deactivate();
- }
-
- /**
- * Tests constructor and activate method.
- */
- @Test
- public void testConstructorAndActivate() {
- final Iterable<LinkResourceAllocations> allAllocations = store.getAllocations();
- assertNotNull(allAllocations);
- assertFalse(allAllocations.iterator().hasNext());
-
- final Iterable<LinkResourceAllocations> linkAllocations =
- store.getAllocations(link1);
- assertNotNull(linkAllocations);
- assertFalse(linkAllocations.iterator().hasNext());
-
- final Set<ResourceAllocation> res = store.getFreeResources(link2);
- assertNotNull(res);
- }
-
- /**
- * Picks up and returns one of bandwidth allocations from a given set.
- *
- * @param resources the set of {@link ResourceAllocation}s
- * @return {@link BandwidthResourceAllocation} object if found, null
- * otherwise
- */
- private BandwidthResourceAllocation getBandwidthObj(Set<ResourceAllocation> resources) {
- for (ResourceAllocation res : resources) {
- if (res.type() == ResourceType.BANDWIDTH) {
- return ((BandwidthResourceAllocation) res);
- }
- }
- return null;
- }
-
- /**
- * Returns all lambda allocations from a given set.
- *
- * @param resources the set of {@link ResourceAllocation}s
- * @return a set of {@link LambdaResourceAllocation} objects
- */
- private Set<LambdaResourceAllocation> getLambdaObjs(Set<ResourceAllocation> resources) {
- Set<LambdaResourceAllocation> lambdaResources = new HashSet<>();
- for (ResourceAllocation res : resources) {
- if (res.type() == ResourceType.LAMBDA) {
- lambdaResources.add((LambdaResourceAllocation) res);
- }
- }
- return lambdaResources;
- }
-
- /**
- * Tests initial free bandwidth for a link.
- */
- @Test
- public void testInitialBandwidth() {
- final Set<ResourceAllocation> freeRes = store.getFreeResources(link1);
- assertNotNull(freeRes);
-
- final BandwidthResourceAllocation alloc = getBandwidthObj(freeRes);
- assertNotNull(alloc);
-
- assertEquals(new BandwidthResource(Bandwidth.mbps(1000.0)), alloc.bandwidth());
- }
-
- /**
- * Tests initial free lambda for a link.
- */
- @Test
- public void testInitialLambdas() {
- final Set<ResourceAllocation> freeRes = store.getFreeResources(link3);
- assertNotNull(freeRes);
-
- final Set<LambdaResourceAllocation> res = getLambdaObjs(freeRes);
- assertNotNull(res);
- assertEquals(80, res.size());
- }
-
- public static class MockLinkResourceBandwidthAllocations implements LinkResourceAllocations {
- final double allocationAmount;
-
- MockLinkResourceBandwidthAllocations(Double allocationAmount) {
- this.allocationAmount = allocationAmount;
- }
- @Override
- public Set<ResourceAllocation> getResourceAllocation(Link link) {
- final ResourceAllocation allocation =
- new BandwidthResourceAllocation(new BandwidthResource(Bandwidth.bps(allocationAmount)));
- final Set<ResourceAllocation> allocations = new HashSet<>();
- allocations.add(allocation);
- return allocations;
- }
-
- @Override
- public IntentId intentId() {
- return null;
- }
-
- @Override
- public Collection<Link> links() {
- return ImmutableSet.of(newLink("of:1", 1, "of:2", 2));
- }
-
- @Override
- public Set<ResourceRequest> resources() {
- return null;
- }
-
- @Override
- public ResourceType type() {
- return null;
- }
- }
-
- public static class MockLinkResourceLambdaAllocations implements LinkResourceAllocations {
- final int allocatedLambda;
-
- MockLinkResourceLambdaAllocations(int allocatedLambda) {
- this.allocatedLambda = allocatedLambda;
- }
- @Override
- public Set<ResourceAllocation> getResourceAllocation(Link link) {
- final ResourceAllocation allocation =
- new LambdaResourceAllocation(LambdaResource.valueOf(allocatedLambda));
- final Set<ResourceAllocation> allocations = new HashSet<>();
- allocations.add(allocation);
- return allocations;
- }
-
- @Override
- public IntentId intentId() {
- return null;
- }
-
- @Override
- public Collection<Link> links() {
- return ImmutableSet.of(newLink("of:1", 1, "of:2", 2));
- }
-
- @Override
- public Set<ResourceRequest> resources() {
- return null;
- }
-
- @Override
- public ResourceType type() {
- return null;
- }
- }
-
- /**
- * Tests a successful bandwidth allocation.
- */
- @Test
- public void testSuccessfulBandwidthAllocation() {
- final LinkResourceAllocations allocations =
- new MockLinkResourceBandwidthAllocations(900.0);
- store.allocateResources(allocations);
- }
-
- /**
- * Tests an unsuccessful bandwidth allocation.
- */
- @Test
- public void testUnsuccessfulBandwidthAllocation() {
- final LinkResourceAllocations allocations =
- new MockLinkResourceBandwidthAllocations(2000000000.0);
- boolean gotException = false;
- try {
- store.allocateResources(allocations);
- } catch (ResourceAllocationException rae) {
- assertEquals(true, rae.getMessage().contains("Unable to allocate bandwidth for link"));
- gotException = true;
- }
- assertEquals(true, gotException);
- }
-
- /**
- * Tests a successful lambda allocation.
- */
- @Test
- public void testSuccessfulLambdaAllocation() {
- final LinkResourceAllocations allocations =
- new MockLinkResourceLambdaAllocations(1);
- store.allocateResources(allocations);
- }
-
- /**
- * Tests an unsuccessful lambda allocation.
- */
- @Test
- public void testUnsuccessfulLambdaAllocation() {
- final LinkResourceAllocations allocations =
- new MockLinkResourceLambdaAllocations(1);
- store.allocateResources(allocations);
-
- boolean gotException = false;
-
- try {
- store.allocateResources(allocations);
- } catch (ResourceAllocationException rae) {
- assertEquals(true, rae.getMessage().contains("Unable to allocate lambda for link"));
- gotException = true;
- }
- assertEquals(true, gotException);
- }
-}
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java
deleted file mode 100644
index 351c7a5..0000000
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java
+++ /dev/null
@@ -1,485 +0,0 @@
-/*
- * 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.store.resource.impl;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.onlab.util.Bandwidth;
-import org.onosproject.net.OmsPort;
-import org.onosproject.net.device.DeviceService;
-import org.slf4j.Logger;
-import org.onlab.util.PositionalParameterStringFormatter;
-import org.onosproject.net.Link;
-import org.onosproject.net.LinkKey;
-import org.onosproject.net.Port;
-import org.onosproject.net.intent.IntentId;
-import org.onosproject.net.resource.link.BandwidthResource;
-import org.onosproject.net.resource.link.BandwidthResourceAllocation;
-import org.onosproject.net.resource.link.LambdaResource;
-import org.onosproject.net.resource.link.LambdaResourceAllocation;
-import org.onosproject.net.resource.link.LinkResourceAllocations;
-import org.onosproject.net.resource.link.LinkResourceEvent;
-import org.onosproject.net.resource.link.LinkResourceStore;
-import org.onosproject.net.resource.link.LinkResourceStoreDelegate;
-import org.onosproject.net.resource.link.MplsLabel;
-import org.onosproject.net.resource.link.MplsLabelResourceAllocation;
-import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceAllocationException;
-import org.onosproject.net.resource.ResourceType;
-import org.onosproject.store.AbstractStore;
-import org.onosproject.store.serializers.KryoNamespaces;
-import org.onosproject.store.service.ConsistentMap;
-import org.onosproject.store.service.Serializer;
-import org.onosproject.store.service.StorageService;
-import org.onosproject.store.service.TransactionContext;
-import org.onosproject.store.service.TransactionalMap;
-import org.onosproject.store.service.Versioned;
-
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Sets;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-import static org.slf4j.LoggerFactory.getLogger;
-import static org.onosproject.net.AnnotationKeys.BANDWIDTH;
-
-/**
- * Store that manages link resources using Copycat-backed TransactionalMaps.
- *
- * @deprecated in Emu Release
- */
-@Deprecated
-@Component(immediate = true, enabled = true)
-@Service
-public class ConsistentLinkResourceStore extends
- AbstractStore<LinkResourceEvent, LinkResourceStoreDelegate> implements
- LinkResourceStore {
-
- private final Logger log = getLogger(getClass());
-
- private static final BandwidthResource DEFAULT_BANDWIDTH = new BandwidthResource(Bandwidth.mbps(1_000));
- private static final BandwidthResource EMPTY_BW = new BandwidthResource(Bandwidth.bps(0));
-
- // Smallest non-reserved MPLS label
- private static final int MIN_UNRESERVED_LABEL = 0x10;
- // Max non-reserved MPLS label = 239
- private static final int MAX_UNRESERVED_LABEL = 0xEF;
-
- // table to store current allocations
- /** LinkKey -> List<LinkResourceAllocations>. */
- private static final String LINK_RESOURCE_ALLOCATIONS = "LinkAllocations";
-
- /** IntentId -> LinkResourceAllocations. */
- private static final String INTENT_ALLOCATIONS = "LinkIntentAllocations";
-
- private static final Serializer SERIALIZER = Serializer.using(KryoNamespaces.API);
-
- // for reading committed values.
- private ConsistentMap<IntentId, LinkResourceAllocations> intentAllocMap;
-
- @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
- protected StorageService storageService;
-
- @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
- protected DeviceService deviceService;
-
- @Activate
- public void activate() {
- intentAllocMap = storageService.<IntentId, LinkResourceAllocations>consistentMapBuilder()
- .withName(INTENT_ALLOCATIONS)
- .withSerializer(SERIALIZER)
- .build();
- log.info("Started");
- }
-
- @Deactivate
- public void deactivate() {
- log.info("Stopped");
- }
-
- private TransactionalMap<IntentId, LinkResourceAllocations> getIntentAllocs(TransactionContext tx) {
- return tx.getTransactionalMap(INTENT_ALLOCATIONS, SERIALIZER);
- }
-
- private TransactionalMap<LinkKey, List<LinkResourceAllocations>> getLinkAllocs(TransactionContext tx) {
- return tx.getTransactionalMap(LINK_RESOURCE_ALLOCATIONS, SERIALIZER);
- }
-
- private TransactionContext getTxContext() {
- return storageService.transactionContextBuilder().build();
- }
-
- private Set<ResourceAllocation> getResourceCapacity(ResourceType type, Link link) {
- switch (type) {
- case BANDWIDTH:
- return ImmutableSet.of(getBandwidthResourceCapacity(link));
- case LAMBDA:
- return getLambdaResourceCapacity(link);
- case MPLS_LABEL:
- return getMplsResourceCapacity();
- default:
- return ImmutableSet.of();
- }
- }
-
- private Set<ResourceAllocation> getLambdaResourceCapacity(Link link) {
- Port port = deviceService.getPort(link.src().deviceId(), link.src().port());
- if (!(port instanceof OmsPort)) {
- return Collections.emptySet();
- }
-
- OmsPort omsPort = (OmsPort) port;
- Set<ResourceAllocation> allocations = new HashSet<>();
- // Assume fixed grid for now
- for (int i = 0; i < omsPort.totalChannels(); i++) {
- allocations.add(new LambdaResourceAllocation(LambdaResource.valueOf(i)));
- }
- return allocations;
- }
-
- private BandwidthResourceAllocation getBandwidthResourceCapacity(Link link) {
-
- // if Link annotation exist, use them
- // if all fails, use DEFAULT_BANDWIDTH
- BandwidthResource bandwidth = DEFAULT_BANDWIDTH;
- String strBw = link.annotations().value(BANDWIDTH);
- if (strBw == null) {
- return new BandwidthResourceAllocation(bandwidth);
- }
-
- try {
- bandwidth = new BandwidthResource(Bandwidth.mbps(Double.parseDouble(strBw)));
- } catch (NumberFormatException e) {
- // do nothings, use default bandwidth
- bandwidth = DEFAULT_BANDWIDTH;
- }
- return new BandwidthResourceAllocation(bandwidth);
- }
-
- private Set<ResourceAllocation> getMplsResourceCapacity() {
- Set<ResourceAllocation> allocations = new HashSet<>();
- //Ignoring reserved labels of 0 through 15
- for (int i = MIN_UNRESERVED_LABEL; i <= MAX_UNRESERVED_LABEL; i++) {
- allocations.add(new MplsLabelResourceAllocation(MplsLabel
- .valueOf(i)));
-
- }
- return allocations;
- }
-
- private Map<ResourceType, Set<ResourceAllocation>> getResourceCapacity(Link link) {
- Map<ResourceType, Set<ResourceAllocation>> caps = new HashMap<>();
- for (ResourceType type : ResourceType.values()) {
- Set<ResourceAllocation> cap = getResourceCapacity(type, link);
- caps.put(type, cap);
- }
- return caps;
- }
-
- @Override
- public Set<ResourceAllocation> getFreeResources(Link link) {
- TransactionContext tx = getTxContext();
-
- tx.begin();
- try {
- Map<ResourceType, Set<ResourceAllocation>> freeResources = getFreeResourcesEx(tx, link);
- return freeResources.values().stream()
- .flatMap(Collection::stream)
- .collect(Collectors.toSet());
- } finally {
- tx.abort();
- }
- }
-
- private Map<ResourceType, Set<ResourceAllocation>> getFreeResourcesEx(TransactionContext tx, Link link) {
- checkNotNull(tx);
- checkNotNull(link);
-
- Map<ResourceType, Set<ResourceAllocation>> free = new HashMap<>();
- final Map<ResourceType, Set<ResourceAllocation>> caps = getResourceCapacity(link);
- final List<LinkResourceAllocations> allocations = ImmutableList.copyOf(getAllocations(tx, link));
-
- Set<ResourceAllocation> bw = caps.get(ResourceType.BANDWIDTH);
- Set<ResourceAllocation> value = getFreeBandwidthResources(link, bw, allocations);
- free.put(ResourceType.BANDWIDTH, value);
-
- Set<ResourceAllocation> lmd = caps.get(ResourceType.LAMBDA);
- Set<ResourceAllocation> freeL = getFreeResources(link, lmd, allocations,
- LambdaResourceAllocation.class);
- free.put(ResourceType.LAMBDA, freeL);
-
- Set<ResourceAllocation> mpls = caps.get(ResourceType.MPLS_LABEL);
- Set<ResourceAllocation> freeLabel = getFreeResources(link, mpls, allocations,
- MplsLabelResourceAllocation.class);
- free.put(ResourceType.MPLS_LABEL, freeLabel);
-
- return free;
- }
-
- private Set<ResourceAllocation> getFreeBandwidthResources(Link link, Set<ResourceAllocation> bw,
- List<LinkResourceAllocations> allocations) {
- if (bw == null || bw.isEmpty()) {
- bw = Sets.newHashSet(new BandwidthResourceAllocation(EMPTY_BW));
- }
-
- BandwidthResourceAllocation cap = (BandwidthResourceAllocation) bw.iterator().next();
- double freeBw = cap.bandwidth().toDouble();
-
- // enumerate current allocations, subtracting resources
- double allocatedBw = allocations.stream()
- .flatMap(x -> x.getResourceAllocation(link).stream())
- .filter(x -> x instanceof BandwidthResourceAllocation)
- .map(x -> (BandwidthResourceAllocation) x)
- .mapToDouble(x -> x.bandwidth().toDouble())
- .sum();
- freeBw -= allocatedBw;
- return Sets.newHashSet(
- new BandwidthResourceAllocation(new BandwidthResource(Bandwidth.bps(freeBw))));
- }
-
- private Set<ResourceAllocation> getFreeResources(Link link,
- Set<ResourceAllocation> resources,
- List<LinkResourceAllocations> allocations,
- Class<? extends ResourceAllocation> cls) {
- if (resources == null || resources.isEmpty()) {
- // nothing left
- return Collections.emptySet();
- }
- Set<ResourceAllocation> freeL = resources.stream()
- .filter(cls::isInstance)
- .collect(Collectors.toSet());
-
- // enumerate current allocations, removing resources
- List<ResourceAllocation> allocated = allocations.stream()
- .flatMap(x -> x.getResourceAllocation(link).stream())
- .filter(cls::isInstance)
- .collect(Collectors.toList());
- freeL.removeAll(allocated);
- return freeL;
- }
-
- @Override
- public void allocateResources(LinkResourceAllocations allocations) {
- checkNotNull(allocations);
- TransactionContext tx = getTxContext();
-
- tx.begin();
- try {
- TransactionalMap<IntentId, LinkResourceAllocations> intentAllocs = getIntentAllocs(tx);
- intentAllocs.put(allocations.intentId(), allocations);
- allocations.links().forEach(link -> allocateLinkResource(tx, link, allocations));
- tx.commit();
- } catch (ResourceAllocationException e) {
- log.error("Exception thrown, rolling back", e);
- tx.abort();
- } catch (Exception e) {
- log.error("Exception thrown, rolling back", e);
- tx.abort();
- throw e;
- }
- }
-
- private void allocateLinkResource(TransactionContext tx, Link link,
- LinkResourceAllocations allocations) {
- // requested resources
- Set<ResourceAllocation> reqs = allocations.getResourceAllocation(link);
- Map<ResourceType, Set<ResourceAllocation>> available = getFreeResourcesEx(tx, link);
- for (ResourceAllocation req : reqs) {
- Set<ResourceAllocation> avail = available.get(req.type());
- if (req instanceof BandwidthResourceAllocation) {
- // check if allocation should be accepted
- if (avail.isEmpty()) {
- throw new ResourceAllocationException(String.format("There's no Bandwidth resource on %s?", link));
- }
- BandwidthResourceAllocation bw = (BandwidthResourceAllocation) avail.iterator().next();
- double bwLeft = bw.bandwidth().toDouble();
- BandwidthResourceAllocation bwReq = ((BandwidthResourceAllocation) req);
- bwLeft -= bwReq.bandwidth().toDouble();
- if (bwLeft < 0) {
- throw new ResourceAllocationException(
- PositionalParameterStringFormatter.format(
- "Unable to allocate bandwidth for link {} "
- + " requested amount is {} current allocation is {}",
- link,
- bwReq.bandwidth().toDouble(),
- bw));
- }
- } else if (req instanceof LambdaResourceAllocation) {
- LambdaResourceAllocation lambdaAllocation = (LambdaResourceAllocation) req;
- // check if allocation should be accepted
- if (!avail.contains(req)) {
- // requested lambda was not available
- throw new ResourceAllocationException(
- PositionalParameterStringFormatter.format(
- "Unable to allocate lambda for link {} lambda is {}",
- link,
- lambdaAllocation.lambda().toInt()));
- }
- } else if (req instanceof MplsLabelResourceAllocation) {
- MplsLabelResourceAllocation mplsAllocation = (MplsLabelResourceAllocation) req;
- if (!avail.contains(req)) {
- throw new ResourceAllocationException(
- PositionalParameterStringFormatter
- .format("Unable to allocate MPLS label for link "
- + "{} MPLS label is {}",
- link,
- mplsAllocation
- .mplsLabel()
- .toString()));
- }
- }
- }
- // all requests allocatable => add allocation
- final LinkKey linkKey = LinkKey.linkKey(link);
- TransactionalMap<LinkKey, List<LinkResourceAllocations>> linkAllocs = getLinkAllocs(tx);
- List<LinkResourceAllocations> before = linkAllocs.get(linkKey);
- if (before == null) {
- List<LinkResourceAllocations> after = new ArrayList<>();
- after.add(allocations);
- linkAllocs.putIfAbsent(linkKey, after);
- } else {
- boolean overlapped = before.stream()
- .flatMap(x -> x.getResourceAllocation(link).stream())
- .anyMatch(x -> allocations.getResourceAllocation(link).contains(x));
- if (overlapped) {
- throw new ResourceAllocationException(
- String.format("Resource allocations are overlapped between %s and %s",
- before, allocations)
- );
- }
- List<LinkResourceAllocations> after = new ArrayList<>(before.size() + 1);
- after.addAll(before);
- after.add(allocations);
- linkAllocs.replace(linkKey, before, after);
- }
- }
-
- @Override
- public LinkResourceEvent releaseResources(LinkResourceAllocations allocations) {
- checkNotNull(allocations);
-
- final IntentId intentId = allocations.intentId();
- final Collection<Link> links = allocations.links();
- boolean success = false;
- do {
- TransactionContext tx = getTxContext();
- tx.begin();
- try {
- TransactionalMap<IntentId, LinkResourceAllocations> intentAllocs = getIntentAllocs(tx);
- intentAllocs.remove(intentId);
-
- TransactionalMap<LinkKey, List<LinkResourceAllocations>> linkAllocs = getLinkAllocs(tx);
- links.forEach(link -> {
- final LinkKey linkId = LinkKey.linkKey(link);
-
- List<LinkResourceAllocations> before = linkAllocs.get(linkId);
- if (before == null || before.isEmpty()) {
- // something is wrong, but it is already freed
- log.warn("There was no resource left to release on {}", linkId);
- return;
- }
- List<LinkResourceAllocations> after = new ArrayList<>(before);
- after.remove(allocations);
- linkAllocs.replace(linkId, before, after);
- });
- success = tx.commit();
- } catch (Exception e) {
- log.error("Exception thrown during releaseResource {}", allocations, e);
- tx.abort();
- throw e;
- }
- } while (!success);
-
- // Issue events to force recompilation of intents.
- final List<LinkResourceAllocations> releasedResources = ImmutableList.of(allocations);
- return new LinkResourceEvent(
- LinkResourceEvent.Type.ADDITIONAL_RESOURCES_AVAILABLE,
- releasedResources);
-
- }
-
- @Override
- public LinkResourceAllocations getAllocations(IntentId intentId) {
- checkNotNull(intentId);
- Versioned<LinkResourceAllocations> alloc = null;
- try {
- alloc = intentAllocMap.get(intentId);
- } catch (Exception e) {
- log.warn("Could not read resource allocation information", e);
- }
- return alloc == null ? null : alloc.value();
- }
-
- @Override
- public Iterable<LinkResourceAllocations> getAllocations(Link link) {
- checkNotNull(link);
- TransactionContext tx = getTxContext();
- Iterable<LinkResourceAllocations> res = null;
- tx.begin();
- try {
- res = getAllocations(tx, link);
- } finally {
- tx.abort();
- }
- return res == null ? Collections.emptyList() : res;
- }
-
- @Override
- public Iterable<LinkResourceAllocations> getAllocations() {
- try {
- Set<LinkResourceAllocations> allocs =
- intentAllocMap.values().stream().map(Versioned::value).collect(Collectors.toSet());
- return ImmutableSet.copyOf(allocs);
- } catch (Exception e) {
- log.warn("Could not read resource allocation information", e);
- }
- return ImmutableSet.of();
- }
-
- private Iterable<LinkResourceAllocations> getAllocations(TransactionContext tx, Link link) {
- checkNotNull(tx);
- checkNotNull(link);
- final LinkKey key = LinkKey.linkKey(link);
- TransactionalMap<LinkKey, List<LinkResourceAllocations>> linkAllocs = getLinkAllocs(tx);
-
- List<LinkResourceAllocations> res = linkAllocs.get(key);
- if (res != null) {
- return res;
- }
-
- res = linkAllocs.putIfAbsent(key, new ArrayList<>());
- if (res == null) {
- return Collections.emptyList();
- } else {
- return res;
- }
- }
-
-}