aboutsummaryrefslogtreecommitdiffstats
path: root/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java
diff options
context:
space:
mode:
Diffstat (limited to 'framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java')
-rw-r--r--framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java485
1 files changed, 0 insertions, 485 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentLinkResourceStore.java
deleted file mode 100644
index 351c7a5f..00000000
--- a/framework/src/onos/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;
- }
- }
-
-}