added onos-start-network and fake distributed stores and fixed mastership bugs/omissions
Change-Id: I6cf9f1a13bf9e8f715bf5d72249431d94878b204
diff --git a/core/store/src/main/java/org/onlab/onos/store/host/impl/DistributedHostStore.java b/core/store/src/main/java/org/onlab/onos/store/host/impl/DistributedHostStore.java
new file mode 100644
index 0000000..09820f4
--- /dev/null
+++ b/core/store/src/main/java/org/onlab/onos/store/host/impl/DistributedHostStore.java
@@ -0,0 +1,278 @@
+package org.onlab.onos.store.host.impl;
+
+import static org.onlab.onos.net.host.HostEvent.Type.HOST_ADDED;
+import static org.onlab.onos.net.host.HostEvent.Type.HOST_MOVED;
+import static org.onlab.onos.net.host.HostEvent.Type.HOST_REMOVED;
+import static org.onlab.onos.net.host.HostEvent.Type.HOST_UPDATED;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+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.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DefaultHost;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.HostId;
+import org.onlab.onos.net.host.HostDescription;
+import org.onlab.onos.net.host.HostEvent;
+import org.onlab.onos.net.host.HostStore;
+import org.onlab.onos.net.host.HostStoreDelegate;
+import org.onlab.onos.net.host.PortAddresses;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.store.AbstractStore;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.slf4j.Logger;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Sets;
+
+/**
+ * Manages inventory of end-station hosts using trivial in-memory
+ * implementation.
+ */
+//FIXME: I LIE I AM NOT DISTRIBUTED
+@Component(immediate = true)
+@Service
+public class DistributedHostStore
+extends AbstractStore<HostEvent, HostStoreDelegate>
+implements HostStore {
+
+ private final Logger log = getLogger(getClass());
+
+ // Host inventory
+ private final Map<HostId, Host> hosts = new ConcurrentHashMap<>();
+
+ // Hosts tracked by their location
+ private final Multimap<ConnectPoint, Host> locations = HashMultimap.create();
+
+ private final Map<ConnectPoint, PortAddresses> portAddresses =
+ new ConcurrentHashMap<>();
+
+ @Activate
+ public void activate() {
+ log.info("Started");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ log.info("Stopped");
+ }
+
+ @Override
+ public HostEvent createOrUpdateHost(ProviderId providerId, HostId hostId,
+ HostDescription hostDescription) {
+ Host host = hosts.get(hostId);
+ if (host == null) {
+ return createHost(providerId, hostId, hostDescription);
+ }
+ return updateHost(providerId, host, hostDescription);
+ }
+
+ // creates a new host and sends HOST_ADDED
+ private HostEvent createHost(ProviderId providerId, HostId hostId,
+ HostDescription descr) {
+ DefaultHost newhost = new DefaultHost(providerId, hostId,
+ descr.hwAddress(),
+ descr.vlan(),
+ descr.location(),
+ descr.ipAddresses());
+ synchronized (this) {
+ hosts.put(hostId, newhost);
+ locations.put(descr.location(), newhost);
+ }
+ return new HostEvent(HOST_ADDED, newhost);
+ }
+
+ // checks for type of update to host, sends appropriate event
+ private HostEvent updateHost(ProviderId providerId, Host host,
+ HostDescription descr) {
+ DefaultHost updated;
+ HostEvent event;
+ if (!host.location().equals(descr.location())) {
+ updated = new DefaultHost(providerId, host.id(),
+ host.mac(),
+ host.vlan(),
+ descr.location(),
+ host.ipAddresses());
+ event = new HostEvent(HOST_MOVED, updated);
+
+ } else if (!(host.ipAddresses().equals(descr.ipAddresses()))) {
+ updated = new DefaultHost(providerId, host.id(),
+ host.mac(),
+ host.vlan(),
+ descr.location(),
+ descr.ipAddresses());
+ event = new HostEvent(HOST_UPDATED, updated);
+ } else {
+ return null;
+ }
+ synchronized (this) {
+ hosts.put(host.id(), updated);
+ locations.remove(host.location(), host);
+ locations.put(updated.location(), updated);
+ }
+ return event;
+ }
+
+ @Override
+ public HostEvent removeHost(HostId hostId) {
+ synchronized (this) {
+ Host host = hosts.remove(hostId);
+ if (host != null) {
+ locations.remove((host.location()), host);
+ return new HostEvent(HOST_REMOVED, host);
+ }
+ return null;
+ }
+ }
+
+ @Override
+ public int getHostCount() {
+ return hosts.size();
+ }
+
+ @Override
+ public Iterable<Host> getHosts() {
+ return Collections.unmodifiableSet(new HashSet<>(hosts.values()));
+ }
+
+ @Override
+ public Host getHost(HostId hostId) {
+ return hosts.get(hostId);
+ }
+
+ @Override
+ public Set<Host> getHosts(VlanId vlanId) {
+ Set<Host> vlanset = new HashSet<>();
+ for (Host h : hosts.values()) {
+ if (h.vlan().equals(vlanId)) {
+ vlanset.add(h);
+ }
+ }
+ return vlanset;
+ }
+
+ @Override
+ public Set<Host> getHosts(MacAddress mac) {
+ Set<Host> macset = new HashSet<>();
+ for (Host h : hosts.values()) {
+ if (h.mac().equals(mac)) {
+ macset.add(h);
+ }
+ }
+ return macset;
+ }
+
+ @Override
+ public Set<Host> getHosts(IpPrefix ip) {
+ Set<Host> ipset = new HashSet<>();
+ for (Host h : hosts.values()) {
+ if (h.ipAddresses().contains(ip)) {
+ ipset.add(h);
+ }
+ }
+ return ipset;
+ }
+
+ @Override
+ public Set<Host> getConnectedHosts(ConnectPoint connectPoint) {
+ return ImmutableSet.copyOf(locations.get(connectPoint));
+ }
+
+ @Override
+ public Set<Host> getConnectedHosts(DeviceId deviceId) {
+ Set<Host> hostset = new HashSet<>();
+ for (ConnectPoint p : locations.keySet()) {
+ if (p.deviceId().equals(deviceId)) {
+ hostset.addAll(locations.get(p));
+ }
+ }
+ return hostset;
+ }
+
+ @Override
+ public void updateAddressBindings(PortAddresses addresses) {
+ synchronized (portAddresses) {
+ PortAddresses existing = portAddresses.get(addresses.connectPoint());
+ if (existing == null) {
+ portAddresses.put(addresses.connectPoint(), addresses);
+ } else {
+ Set<IpPrefix> union = Sets.union(existing.ips(), addresses.ips())
+ .immutableCopy();
+
+ MacAddress newMac = (addresses.mac() == null) ? existing.mac()
+ : addresses.mac();
+
+ PortAddresses newAddresses =
+ new PortAddresses(addresses.connectPoint(), union, newMac);
+
+ portAddresses.put(newAddresses.connectPoint(), newAddresses);
+ }
+ }
+ }
+
+ @Override
+ public void removeAddressBindings(PortAddresses addresses) {
+ synchronized (portAddresses) {
+ PortAddresses existing = portAddresses.get(addresses.connectPoint());
+ if (existing != null) {
+ Set<IpPrefix> difference =
+ Sets.difference(existing.ips(), addresses.ips()).immutableCopy();
+
+ // If they removed the existing mac, set the new mac to null.
+ // Otherwise, keep the existing mac.
+ MacAddress newMac = existing.mac();
+ if (addresses.mac() != null && addresses.mac().equals(existing.mac())) {
+ newMac = null;
+ }
+
+ PortAddresses newAddresses =
+ new PortAddresses(addresses.connectPoint(), difference, newMac);
+
+ portAddresses.put(newAddresses.connectPoint(), newAddresses);
+ }
+ }
+ }
+
+ @Override
+ public void clearAddressBindings(ConnectPoint connectPoint) {
+ synchronized (portAddresses) {
+ portAddresses.remove(connectPoint);
+ }
+ }
+
+ @Override
+ public Set<PortAddresses> getAddressBindings() {
+ synchronized (portAddresses) {
+ return new HashSet<>(portAddresses.values());
+ }
+ }
+
+ @Override
+ public PortAddresses getAddressBindingsForPort(ConnectPoint connectPoint) {
+ PortAddresses addresses;
+
+ synchronized (portAddresses) {
+ addresses = portAddresses.get(connectPoint);
+ }
+
+ if (addresses == null) {
+ addresses = new PortAddresses(connectPoint, null, null);
+ }
+
+ return addresses;
+ }
+
+}