ONOS-5182 Refactored SONA to cache network states
Change-Id: Ib316fa5fa5d36e9da370a1578ac55de4a8dd9b04
diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/HostBasedInstancePortManager.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/HostBasedInstancePortManager.java
new file mode 100644
index 0000000..85fd5bf
--- /dev/null
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/HostBasedInstancePortManager.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2017-present 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.openstacknetworking.impl;
+
+import com.google.common.collect.ImmutableSet;
+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.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.util.Tools;
+import org.onosproject.event.ListenerRegistry;
+import org.onosproject.net.Host;
+import org.onosproject.net.HostId;
+import org.onosproject.net.host.HostEvent;
+import org.onosproject.net.host.HostListener;
+import org.onosproject.net.host.HostService;
+import org.onosproject.openstacknetworking.api.InstancePort;
+import org.onosproject.openstacknetworking.api.InstancePortEvent;
+import org.onosproject.openstacknetworking.api.InstancePortListener;
+import org.onosproject.openstacknetworking.api.InstancePortService;
+import org.slf4j.Logger;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_PORT_DETECTED;
+import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_PORT_UPDATED;
+import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_PORT_VANISHED;
+import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_NETWORK_ID;
+import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_PORT_ID;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Provides implementation of administering and interfacing host based instance ports.
+ * It also provides instance port events for the hosts mapped to OpenStack VM interface.
+ */
+@Service
+@Component(immediate = true)
+public class HostBasedInstancePortManager
+ extends ListenerRegistry<InstancePortEvent, InstancePortListener>
+ implements InstancePortService {
+
+ protected final Logger log = getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostService hostService;
+
+ private final HostListener hostListener = new InternalHostListener();
+
+ @Activate
+ protected void activate() {
+ hostService.addListener(hostListener);
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ hostService.removeListener(hostListener);
+ log.info("Stopped");
+ }
+
+ @Override
+ public InstancePort instancePort(MacAddress macAddress) {
+ Host host = hostService.getHost(HostId.hostId(macAddress));
+ if (host == null || !isValidHost(host)) {
+ return null;
+ }
+ return HostBasedInstancePort.of(host);
+ }
+
+ @Override
+ public InstancePort instancePort(IpAddress ipAddress, String osNetId) {
+ return Tools.stream(hostService.getHosts()).filter(this::isValidHost)
+ .map(HostBasedInstancePort::of)
+ .filter(instPort -> instPort.networkId().equals(osNetId))
+ .filter(instPort -> instPort.ipAddress().equals(ipAddress))
+ .findAny().orElse(null);
+ }
+
+ @Override
+ public InstancePort instancePort(String osPortId) {
+ return Tools.stream(hostService.getHosts()).filter(this::isValidHost)
+ .map(HostBasedInstancePort::of)
+ .filter(instPort -> instPort.portId().equals(osPortId))
+ .findAny().orElse(null);
+ }
+
+ @Override
+ public Set<InstancePort> instancePorts() {
+ Set<InstancePort> instPors = Tools.stream(hostService.getHosts())
+ .filter(this::isValidHost)
+ .map(HostBasedInstancePort::of)
+ .collect(Collectors.toSet());
+ return ImmutableSet.copyOf(instPors);
+ }
+
+ @Override
+ public Set<InstancePort> instancePorts(String osNetId) {
+ Set<InstancePort> instPors = Tools.stream(hostService.getHosts())
+ .filter(this::isValidHost)
+ .map(HostBasedInstancePort::of)
+ .filter(instPort -> instPort.networkId().equals(osNetId))
+ .collect(Collectors.toSet());
+ return ImmutableSet.copyOf(instPors);
+ }
+
+ private boolean isValidHost(Host host) {
+ return !host.ipAddresses().isEmpty() &&
+ host.annotations().value(ANNOTATION_NETWORK_ID) != null &&
+ host.annotations().value(ANNOTATION_PORT_ID) != null;
+ }
+
+ private class InternalHostListener implements HostListener {
+
+ @Override
+ public boolean isRelevant(HostEvent event) {
+ Host host = event.subject();
+ if (!isValidHost(host)) {
+ log.debug("Invalid host detected, ignore it {}", host);
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public void event(HostEvent event) {
+ InstancePort instPort = HostBasedInstancePort.of(event.subject());
+ InstancePortEvent instPortEvent;
+ switch (event.type()) {
+ case HOST_UPDATED:
+ instPortEvent = new InstancePortEvent(
+ OPENSTACK_INSTANCE_PORT_UPDATED,
+ instPort);
+ log.debug("Instance port is updated: {}", instPort);
+ process(instPortEvent);
+ break;
+ case HOST_ADDED:
+ instPortEvent = new InstancePortEvent(
+ OPENSTACK_INSTANCE_PORT_DETECTED,
+ instPort);
+ log.debug("Instance port is detected: {}", instPort);
+ process(instPortEvent);
+ break;
+ case HOST_REMOVED:
+ instPortEvent = new InstancePortEvent(
+ OPENSTACK_INSTANCE_PORT_VANISHED,
+ instPort);
+ log.debug("Instance port is disabled: {}", instPort);
+ process(instPortEvent);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}