diff options
Diffstat (limited to 'framework/src/onos/providers/ovsdb/host/src/main/java/org/onosproject/ovsdb/provider/host/OvsdbHostProvider.java')
| -rw-r--r-- | framework/src/onos/providers/ovsdb/host/src/main/java/org/onosproject/ovsdb/provider/host/OvsdbHostProvider.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/framework/src/onos/providers/ovsdb/host/src/main/java/org/onosproject/ovsdb/provider/host/OvsdbHostProvider.java b/framework/src/onos/providers/ovsdb/host/src/main/java/org/onosproject/ovsdb/provider/host/OvsdbHostProvider.java new file mode 100644 index 00000000..8d2fd142 --- /dev/null +++ b/framework/src/onos/providers/ovsdb/host/src/main/java/org/onosproject/ovsdb/provider/host/OvsdbHostProvider.java @@ -0,0 +1,148 @@ +/*
+ * Copyright 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.ovsdb.provider.host;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.toHex;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+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.VlanId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Host;
+import org.onosproject.net.HostId;
+import org.onosproject.net.HostLocation;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.host.DefaultHostDescription;
+import org.onosproject.net.host.HostDescription;
+import org.onosproject.net.host.HostProvider;
+import org.onosproject.net.host.HostProviderRegistry;
+import org.onosproject.net.host.HostProviderService;
+import org.onosproject.net.host.HostService;
+import org.onosproject.net.provider.AbstractProvider;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.ovsdb.controller.EventSubject;
+import org.onosproject.ovsdb.controller.OvsdbController;
+import org.onosproject.ovsdb.controller.OvsdbEvent;
+import org.onosproject.ovsdb.controller.OvsdbEventListener;
+import org.onosproject.ovsdb.controller.OvsdbEventSubject;
+import org.slf4j.Logger;
+
+/**
+ * Provider which uses an ovsdb controller to detect host.
+ */
+@Component(immediate = true)
+@Service
+public class OvsdbHostProvider extends AbstractProvider implements HostProvider {
+ private final Logger log = getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostProviderRegistry providerRegistry;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostService hostService;
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected OvsdbController controller;
+
+ private HostProviderService providerService;
+ private OvsdbEventListener innerEventListener = new InnerOvsdbEventListener();
+
+ @Activate
+ public void activate() {
+ providerService = providerRegistry.register(this);
+ controller.addOvsdbEventListener(innerEventListener);
+ log.info("Started");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ providerRegistry.unregister(this);
+ providerService = null;
+ log.info("Stopped");
+ }
+
+ public OvsdbHostProvider() {
+ super(new ProviderId("ovsdb", "org.onosproject.ovsdb.provider.host"));
+ }
+
+ @Override
+ public void triggerProbe(Host host) {
+ log.info("Triggering probe on host {}", host);
+ }
+
+ private class InnerOvsdbEventListener implements OvsdbEventListener {
+
+ @Override
+ public void handle(OvsdbEvent<EventSubject> event) {
+ OvsdbEventSubject subject = null;
+ if (event.subject() instanceof OvsdbEventSubject) {
+ subject = (OvsdbEventSubject) event.subject();
+ }
+ checkNotNull(subject, "EventSubject is not null");
+ // If ifaceid is null,it indicates this is not a vm port.
+ if (subject.ifaceid() == null) {
+ return;
+ }
+ switch (event.type()) {
+ case PORT_ADDED:
+ HostId hostId = HostId.hostId(subject.hwAddress(), null);
+ DeviceId deviceId = DeviceId.deviceId(uri(subject.dpid().value()));
+ PortNumber portNumber = PortNumber.portNumber(subject
+ .portNumber().value(), subject.portName().value());
+ HostLocation loaction = new HostLocation(deviceId, portNumber,
+ 0L);
+ SparseAnnotations annotations = DefaultAnnotations.builder()
+ .set("ifaceid", subject.ifaceid().value()).build();
+ HostDescription hostDescription = new DefaultHostDescription(
+ subject.hwAddress(),
+ VlanId.vlanId(),
+ loaction,
+ annotations);
+ providerService.hostDetected(hostId, hostDescription);
+ break;
+ case PORT_REMOVED:
+ HostId host = HostId.hostId(subject.hwAddress(), null);
+ providerService.hostVanished(host);
+ break;
+ default:
+ break;
+ }
+
+ }
+
+ }
+
+ public URI uri(String value) {
+ try {
+ return new URI("of", toHex(Long.valueOf(value)), null);
+ } catch (URISyntaxException e) {
+ return null;
+ }
+ }
+}
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