[ONOS-7592] Add NullGroupProvider
Change-Id: I7843f235951ce7f7be1345a9c8ff52f7ca88dabc
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/NullGroupProvider.java b/providers/null/src/main/java/org/onosproject/provider/nil/NullGroupProvider.java
new file mode 100644
index 0000000..3cf175c
--- /dev/null
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/NullGroupProvider.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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 io.netty.util.Timeout;
+import io.netty.util.TimerTask;
+import org.onlab.util.Timer;
+import org.onosproject.core.GroupId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.group.DefaultGroup;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupOperation;
+import org.onosproject.net.group.GroupOperations;
+import org.onosproject.net.group.GroupProvider;
+import org.onosproject.net.group.GroupProviderService;
+import org.slf4j.Logger;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Null provider to accept any group and report them.
+ */
+public class NullGroupProvider extends NullProviders.AbstractNullProvider
+ implements GroupProvider {
+
+ private static final long DEFAULT_POLL_DELAY = 1;
+
+ private final Logger log = getLogger(getClass());
+ private final Map<DeviceId, Map<GroupId, Group>> groupTables = new ConcurrentHashMap<>();
+ private GroupProviderService providerService;
+ private Timeout timeout;
+
+ /**
+ * Start group provider.
+ *
+ * @param providerService group provider service
+ */
+ void start(GroupProviderService providerService) {
+ this.providerService = providerService;
+ timeout = Timer.newTimeout(new StatisticTask(), DEFAULT_POLL_DELAY, TimeUnit.SECONDS);
+ }
+
+ /**
+ * Stops the group provider simulation.
+ */
+ void stop() {
+ timeout.cancel();
+ }
+
+ public void initDevicesGroupTable(Collection<DeviceId> deviceIds) {
+ // Initialize group table for the device
+ deviceIds.forEach(deviceId -> groupTables.put(deviceId, new ConcurrentHashMap<>()));
+ pushGroupMetrics();
+ }
+
+ @Override
+ public void performGroupOperation(DeviceId deviceId, GroupOperations groupOps) {
+ groupOps.operations().forEach(go -> {
+ switch (go.opType()) {
+ case ADD:
+ groupAdd(deviceId, go);
+ break;
+ case MODIFY:
+ groupModify(deviceId, go);
+ break;
+ case DELETE:
+ groupDelete(deviceId, go);
+ break;
+ default:
+ log.warn("Unsupported op type: {}", go.opType());
+ break;
+ }
+ });
+ }
+
+ private void groupAdd(DeviceId deviceId, GroupOperation go) {
+ GroupId gid = go.groupId();
+ DefaultGroup group = new DefaultGroup(gid, deviceId, go.groupType(), go.buckets());
+ group.setState(Group.GroupState.ADDED);
+ groupTables.get(deviceId).put(gid, group);
+ }
+
+ private void groupModify(DeviceId deviceId, GroupOperation go) {
+ groupTables.get(deviceId).computeIfPresent(go.groupId(), (gid, group) -> {
+ DefaultGroup grp = new DefaultGroup(gid, deviceId, go.groupType(), go.buckets());
+ grp.setState(Group.GroupState.ADDED);
+ return grp;
+ });
+ }
+
+ private void groupDelete(DeviceId deviceId, GroupOperation go) {
+ groupTables.get(deviceId).remove(go.groupId());
+ }
+
+ private void pushGroupMetrics() {
+ groupTables.forEach((deviceId, groups) -> {
+ providerService.pushGroupMetrics(deviceId, groups.values());
+ });
+ }
+
+ // Periodically reports flow rule statistics.
+ private class StatisticTask implements TimerTask {
+ @Override
+ public void run(Timeout to) {
+ pushGroupMetrics();
+ timeout = to.timer().newTimeout(to.task(), DEFAULT_POLL_DELAY, TimeUnit.SECONDS);
+ }
+ }
+}
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java b/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java
index 83471a5..7c45df3 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/NullProviders.java
@@ -39,6 +39,8 @@
import org.onosproject.net.device.DeviceProviderService;
import org.onosproject.net.flow.FlowRuleProviderRegistry;
import org.onosproject.net.flow.FlowRuleProviderService;
+import org.onosproject.net.group.GroupProviderRegistry;
+import org.onosproject.net.group.GroupProviderService;
import org.onosproject.net.host.HostProvider;
import org.onosproject.net.host.HostProviderRegistry;
import org.onosproject.net.host.HostProviderService;
@@ -116,12 +118,16 @@
protected FlowRuleProviderRegistry flowRuleProviderRegistry;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected GroupProviderRegistry groupProviderRegistry;
+
+ @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 NullGroupProvider groupProvider = new NullGroupProvider();
private final NullPacketProvider packetProvider = new NullPacketProvider();
private final TopologyMutationDriver topologyMutationDriver = new TopologyMutationDriver();
@@ -129,6 +135,7 @@
private HostProviderService hostProviderService;
private LinkProviderService linkProviderService;
private FlowRuleProviderService flowRuleProviderService;
+ private GroupProviderService groupProviderService;
private PacketProviderService packetProviderService;
private TopologySimulator simulator;
@@ -176,6 +183,7 @@
hostProviderService = hostProviderRegistry.register(hostProvider);
linkProviderService = linkProviderRegistry.register(linkProvider);
flowRuleProviderService = flowRuleProviderRegistry.register(flowRuleProvider);
+ groupProviderService = groupProviderRegistry.register(groupProvider);
packetProviderService = packetProviderRegistry.register(packetProvider);
log.info("Started");
}
@@ -189,12 +197,14 @@
hostProviderRegistry.unregister(hostProvider);
linkProviderRegistry.unregister(linkProvider);
flowRuleProviderRegistry.unregister(flowRuleProvider);
+ groupProviderRegistry.unregister(groupProvider);
packetProviderRegistry.unregister(packetProvider);
deviceProviderService = null;
hostProviderService = null;
linkProviderService = null;
flowRuleProviderService = null;
+ groupProviderService = null;
packetProviderService = null;
log.info("Stopped");
@@ -339,9 +349,11 @@
deviceProviderService, hostProviderService,
linkProviderService);
flowRuleProvider.start(flowRuleProviderService);
+ groupProvider.start(groupProviderService);
packetProvider.start(packetRate, hostService, deviceService,
packetProviderService);
simulator.setUpTopology();
+ groupProvider.initDevicesGroupTable(simulator.deviceIds);
topologyMutationDriver.start(mutationRate, linkService, deviceService,
linkProviderService, deviceProviderService,
simulator);
@@ -382,6 +394,7 @@
topologyMutationDriver.stop();
packetProvider.stop();
flowRuleProvider.stop();
+ groupProvider.stop();
delay(500);
simulator.tearDownTopology();
simulator = null;