diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java')
-rw-r--r-- | framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java b/framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java new file mode 100644 index 00000000..370686f9 --- /dev/null +++ b/framework/src/onos/core/common/src/test/java/org/onosproject/store/trivial/SimpleStatisticStore.java @@ -0,0 +1,211 @@ +/* + * 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 com.google.common.collect.Sets; +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.onosproject.net.ConnectPoint; +import org.onosproject.net.PortNumber; +import org.onosproject.net.flow.FlowEntry; +import org.onosproject.net.flow.FlowRule; +import org.onosproject.net.flow.instructions.Instruction; +import org.onosproject.net.flow.instructions.Instructions; +import org.onosproject.net.statistic.StatisticStore; +import org.slf4j.Logger; + +import java.util.Collections; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.atomic.AtomicInteger; + +import static org.slf4j.LoggerFactory.getLogger; + + +/** + * Maintains statistics using RPC calls to collect stats from remote instances + * on demand. + */ +@Component(immediate = true) +@Service +public class SimpleStatisticStore implements StatisticStore { + + private final Logger log = getLogger(getClass()); + + private Map<ConnectPoint, InternalStatisticRepresentation> + representations = new ConcurrentHashMap<>(); + + private Map<ConnectPoint, Set<FlowEntry>> previous = new ConcurrentHashMap<>(); + private Map<ConnectPoint, Set<FlowEntry>> current = new ConcurrentHashMap<>(); + + @Activate + public void activate() { + log.info("Started"); + } + + @Deactivate + public void deactivate() { + log.info("Stopped"); + } + + @Override + public void prepareForStatistics(FlowRule rule) { + ConnectPoint cp = buildConnectPoint(rule); + if (cp == null) { + return; + } + InternalStatisticRepresentation rep; + synchronized (representations) { + rep = getOrCreateRepresentation(cp); + } + rep.prepare(); + } + + @Override + public synchronized void removeFromStatistics(FlowRule rule) { + ConnectPoint cp = buildConnectPoint(rule); + if (cp == null) { + return; + } + InternalStatisticRepresentation rep = representations.get(cp); + if (rep != null && rep.remove(rule)) { + updatePublishedStats(cp, Collections.emptySet()); + } + Set<FlowEntry> values = current.get(cp); + if (values != null) { + values.remove(rule); + } + values = previous.get(cp); + if (values != null) { + values.remove(rule); + } + + } + + @Override + public void addOrUpdateStatistic(FlowEntry rule) { + ConnectPoint cp = buildConnectPoint(rule); + if (cp == null) { + return; + } + InternalStatisticRepresentation rep = representations.get(cp); + if (rep != null && rep.submit(rule)) { + updatePublishedStats(cp, rep.get()); + } + } + + private synchronized void updatePublishedStats(ConnectPoint cp, + Set<FlowEntry> flowEntries) { + Set<FlowEntry> curr = current.get(cp); + if (curr == null) { + curr = new HashSet<>(); + } + previous.put(cp, curr); + current.put(cp, flowEntries); + + } + + @Override + public Set<FlowEntry> getCurrentStatistic(ConnectPoint connectPoint) { + return getCurrentStatisticInternal(connectPoint); + } + + private synchronized Set<FlowEntry> getCurrentStatisticInternal(ConnectPoint connectPoint) { + return current.get(connectPoint); + } + + @Override + public Set<FlowEntry> getPreviousStatistic(ConnectPoint connectPoint) { + return getPreviousStatisticInternal(connectPoint); + } + + private synchronized Set<FlowEntry> getPreviousStatisticInternal(ConnectPoint connectPoint) { + return previous.get(connectPoint); + } + + private InternalStatisticRepresentation getOrCreateRepresentation(ConnectPoint cp) { + + if (representations.containsKey(cp)) { + return representations.get(cp); + } else { + InternalStatisticRepresentation rep = new InternalStatisticRepresentation(); + representations.put(cp, rep); + return rep; + } + + } + + private ConnectPoint buildConnectPoint(FlowRule rule) { + PortNumber port = getOutput(rule); + + if (port == null) { + return null; + } + ConnectPoint cp = new ConnectPoint(rule.deviceId(), port); + return cp; + } + + private PortNumber getOutput(FlowRule rule) { + for (Instruction i : rule.treatment().immediate()) { + if (i.type() == Instruction.Type.OUTPUT) { + Instructions.OutputInstruction out = (Instructions.OutputInstruction) i; + return out.port(); + } + if (i.type() == Instruction.Type.DROP) { + return PortNumber.P0; + } + } + return null; + } + + private class InternalStatisticRepresentation { + + private final AtomicInteger counter = new AtomicInteger(0); + private final Set<FlowEntry> rules = new HashSet<>(); + + public void prepare() { + counter.incrementAndGet(); + } + + public synchronized boolean remove(FlowRule rule) { + rules.remove(rule); + return counter.decrementAndGet() == 0; + } + + public synchronized boolean submit(FlowEntry rule) { + if (rules.contains(rule)) { + rules.remove(rule); + } + rules.add(rule); + if (counter.get() == 0) { + return true; + } else { + return counter.decrementAndGet() == 0; + } + } + + public synchronized Set<FlowEntry> get() { + counter.set(rules.size()); + return Sets.newHashSet(rules); + } + + } + +} |