Restructured to separate stores and managers into different bundles. Reactive forwarding does not seem to work; will investigate.
diff --git a/core/net/src/main/java/org/onlab/onos/net/host/impl/SimpleHostManager.java b/core/net/src/main/java/org/onlab/onos/net/host/impl/SimpleHostManager.java
new file mode 100644
index 0000000..bc9312d
--- /dev/null
+++ b/core/net/src/main/java/org/onlab/onos/net/host/impl/SimpleHostManager.java
@@ -0,0 +1,190 @@
+package org.onlab.onos.net.host.impl;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.slf4j.LoggerFactory.getLogger;
+
+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.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.onos.event.AbstractListenerRegistry;
+import org.onlab.onos.event.EventDeliveryService;
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.HostId;
+import org.onlab.onos.net.host.HostAdminService;
+import org.onlab.onos.net.host.HostDescription;
+import org.onlab.onos.net.host.HostEvent;
+import org.onlab.onos.net.host.HostListener;
+import org.onlab.onos.net.host.HostProvider;
+import org.onlab.onos.net.host.HostProviderRegistry;
+import org.onlab.onos.net.host.HostProviderService;
+import org.onlab.onos.net.host.HostService;
+import org.onlab.onos.net.host.HostStore;
+import org.onlab.onos.net.provider.AbstractProviderRegistry;
+import org.onlab.onos.net.provider.AbstractProviderService;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.slf4j.Logger;
+
+/**
+ * Provides basic implementation of the host SB & NB APIs.
+ */
+@Component(immediate = true)
+@Service
+public class SimpleHostManager
+ extends AbstractProviderRegistry<HostProvider, HostProviderService>
+ implements HostService, HostAdminService, HostProviderRegistry {
+
+ public static final String HOST_ID_NULL = "Host ID cannot be null";
+ private final Logger log = getLogger(getClass());
+
+ private final AbstractListenerRegistry<HostEvent, HostListener>
+ listenerRegistry = new AbstractListenerRegistry<>();
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostStore store;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected EventDeliveryService eventDispatcher;
+
+
+ @Activate
+ public void activate() {
+ eventDispatcher.addSink(HostEvent.class, listenerRegistry);
+ log.info("Started");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ eventDispatcher.removeSink(HostEvent.class);
+ log.info("Stopped");
+ }
+
+ @Override
+ protected HostProviderService createProviderService(HostProvider provider) {
+ return new InternalHostProviderService(provider);
+ }
+
+ @Override
+ public int getHostCount() {
+ return store.getHostCount();
+ }
+
+ @Override
+ public Iterable<Host> getHosts() {
+ return store.getHosts();
+ }
+
+ @Override
+ public Host getHost(HostId hostId) {
+ checkNotNull(hostId, HOST_ID_NULL);
+ return store.getHost(hostId);
+ }
+
+ @Override
+ public Set<Host> getHostsByVlan(VlanId vlanId) {
+ return store.getHosts(vlanId);
+ }
+
+ @Override
+ public Set<Host> getHostsByMac(MacAddress mac) {
+ checkNotNull(mac, "MAC address cannot be null");
+ return store.getHosts(mac);
+ }
+
+ @Override
+ public Set<Host> getHostsByIp(IpPrefix ip) {
+ checkNotNull(ip, "IP address cannot be null");
+ return store.getHosts(ip);
+ }
+
+ @Override
+ public Set<Host> getConnectedHosts(ConnectPoint connectPoint) {
+ checkNotNull(connectPoint, "Connection point cannot be null");
+ return store.getConnectedHosts(connectPoint);
+ }
+
+ @Override
+ public Set<Host> getConnectedHosts(DeviceId deviceId) {
+ checkNotNull(deviceId, "Device ID cannot be null");
+ return store.getConnectedHosts(deviceId);
+ }
+
+ @Override
+ public void monitorIp(IpPrefix ip) {
+ // TODO pass through to SimpleHostMonitor
+ }
+
+ @Override
+ public void stopMonitoringIp(IpPrefix ip) {
+ // TODO pass through to SimpleHostMonitor
+ }
+
+ @Override
+ public void addListener(HostListener listener) {
+ listenerRegistry.addListener(listener);
+ }
+
+ @Override
+ public void removeListener(HostListener listener) {
+ listenerRegistry.removeListener(listener);
+ }
+
+ @Override
+ public void removeHost(HostId hostId) {
+ checkNotNull(hostId, HOST_ID_NULL);
+ HostEvent event = store.removeHost(hostId);
+ if (event != null) {
+ log.info("Host {} administratively removed", hostId);
+ post(event);
+ }
+ }
+
+ // Personalized host provider service issued to the supplied provider.
+ private class InternalHostProviderService
+ extends AbstractProviderService<HostProvider>
+ implements HostProviderService {
+
+ InternalHostProviderService(HostProvider provider) {
+ super(provider);
+ }
+
+ @Override
+ public void hostDetected(HostId hostId, HostDescription hostDescription) {
+ checkNotNull(hostId, HOST_ID_NULL);
+ checkValidity();
+ HostEvent event = store.createOrUpdateHost(provider().id(), hostId,
+ hostDescription);
+ if (event != null) {
+ log.debug("Host {} detected", hostId);
+ post(event);
+ }
+ }
+
+ @Override
+ public void hostVanished(HostId hostId) {
+ checkNotNull(hostId, HOST_ID_NULL);
+ checkValidity();
+ HostEvent event = store.removeHost(hostId);
+ if (event != null) {
+ log.debug("Host {} vanished", hostId);
+ post(event);
+ }
+ }
+ }
+
+ // Posts the specified event to the local event dispatcher.
+ private void post(HostEvent event) {
+ if (event != null) {
+ eventDispatcher.post(event);
+ }
+ }
+
+}