+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.switchmanager.internal;
+
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.EnumSet;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+import org.apache.felix.dm.Component;
+import org.opendaylight.controller.clustering.services.CacheConfigException;
+import org.opendaylight.controller.clustering.services.CacheExistException;
+import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
+import org.opendaylight.controller.clustering.services.IClusterServices;
+import org.opendaylight.controller.sal.core.MacAddress;
+import org.opendaylight.controller.sal.core.Property;
+import org.opendaylight.controller.sal.utils.HexEncode;
+import org.opendaylight.controller.sal.utils.Status;
+import org.opendaylight.controller.sal.utils.StatusCode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The class ControllerProperties
+ * provides implementation for the ControllerProperties API
+ */
+public class ControllerProperties implements IControllerProperties {
+
+ private IClusterGlobalServices clusterService = null;
+ private final Logger log = LoggerFactory
+ .getLogger(ControllerProperties.class);
+ private static final String controllerGlobalPropertiesCacheName = "switchmanager.controllerGlobalProperties";
+
+ private ConcurrentMap<String, Property> controllerGlobalProperties;
+
+ private void allocateCaches() {
+ if (this.clusterService == null) {
+ this.nonClusterObjectCreate();
+ log.warn("un-initialized clusterService, can't create cache");
+ return;
+ }
+ try {
+ this.clusterService.createCache(controllerGlobalPropertiesCacheName,
+ EnumSet.of(IClusterServices.cacheMode.TRANSACTIONAL));
+ } catch (CacheConfigException cce) {
+ log.error("\nCache configuration invalid - check cache mode");
+ } catch (CacheExistException ce) {
+ log.error("\nCache already exits - destroy and recreate if needed");
+ }
+ }
+
+ private void nonClusterObjectCreate() {
+ controllerGlobalProperties = new ConcurrentHashMap<String, Property>();
+ }
+
+ @SuppressWarnings({ "unchecked" })
+ private void retrieveCaches() {
+ if (this.clusterService == null) {
+ log.warn("un-initialized clusterService, can't create cache");
+ return;
+ }
+ controllerGlobalProperties = (ConcurrentMap<String, Property>) this.clusterService
+ .getCache(controllerGlobalPropertiesCacheName);
+ if (controllerGlobalProperties == null) {
+ log.error("\nFailed to get cache for controllerGlobalProperties");
+ }
+ }
+
+ /**
+ * Function called by the dependency manager when all the required
+ * dependencies are satisfied
+ *
+ * @param c Component
+ */
+ void init(Component c) {
+ // Instantiate cluster synced variables
+ allocateCaches();
+ retrieveCaches();
+ }
+
+ private void initializeProperties() {
+ byte controllerMac[] = getHardwareMAC();
+ if (controllerMac != null) {
+ Property existing = controllerGlobalProperties.putIfAbsent(MacAddress.name, new MacAddress(controllerMac));
+ if (existing == null && log.isTraceEnabled()) {
+ log.trace("Setting controller MAC address in the cluster: {}", HexEncode.bytesToHexStringFormat(controllerMac));
+ }
+ }
+ }
+
+ private byte[] getHardwareMAC() {
+ Enumeration<NetworkInterface> nis;
+ byte[] macAddress = null;
+
+ try {
+ nis = NetworkInterface.getNetworkInterfaces();
+ } catch (SocketException e) {
+ log.error("Failed to acquire controller MAC: ", e);
+ return macAddress;
+ }
+
+ while (nis.hasMoreElements()) {
+ NetworkInterface ni = nis.nextElement();
+ try {
+ macAddress = ni.getHardwareAddress();
+ } catch (SocketException e) {
+ log.error("Failed to acquire controller MAC: ", e);
+ }
+ if (macAddress != null && macAddress.length != 0) {
+ break;
+ }
+ }
+ if (macAddress == null) {
+ log.warn("Failed to acquire controller MAC: No physical interface found");
+ // This happens when running controller on windows VM, for example
+ // TODO: Try parsing the OS command output
+ // For now provide a quick fix for the release
+ macAddress = new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x0c, (byte) 0x60, (byte) 0x0D, (byte) 0x10 };
+ log.debug("Assigning custom MAC address to controller");
+ }
+ return macAddress;
+ }
+
+ /**
+ * Function called by dependency manager after "init ()" is called and after
+ * the services provided by the class are registered in the service registry
+ *
+ */
+ void start() {
+ // initialize required properties if first node in the cluster
+ if(this.clusterService.amICoordinator()) {
+ initializeProperties();
+ }
+ }
+
+ /**
+ * Function called after registered the service in OSGi service registry.
+ */
+ void started() {
+ // nothing to do
+ }
+
+ /**
+ * Function called before services of the component are removed
+ * from OSGi service registry.
+ */
+ void stopping() {
+ // nothing to do
+ }
+
+ /**
+ * Function called by the dependency manager before the services exported by
+ * the component are unregistered, this will be followed by a "destroy ()"
+ * calls
+ *
+ */
+ void stop() {
+ // nothing to do
+ }
+
+ /**
+ * Function called by the dependency manager when at least one dependency
+ * become unsatisfied or when the component is shutting down because for
+ * example bundle is being stopped.
+ *
+ */
+ void destroy() {
+ // nothing to do
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Map<String, Property> getControllerProperties() {
+ return new HashMap<String, Property>(this.controllerGlobalProperties);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Property getControllerProperty(String propertyName) {
+ if (propertyName != null) {
+ return this.controllerGlobalProperties.get(propertyName);
+ }
+ return null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Status setControllerProperty(Property property) {
+ if (property != null) {
+ this.controllerGlobalProperties.put(property.getName(), property);
+ return new Status(StatusCode.SUCCESS);
+ }
+ return new Status(StatusCode.BADREQUEST, "Invalid property provided when setting property");
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Status removeControllerProperty(String propertyName) {
+ if (propertyName != null) {
+ this.controllerGlobalProperties.remove(propertyName);
+ return new Status(StatusCode.SUCCESS);
+ }
+ return new Status(StatusCode.BADREQUEST, "Invalid property provided when removing property");
+ }
+
+ /**
+ * setClusterService
+ * @param s
+ */
+ public void setClusterService(IClusterGlobalServices s) {
+ this.clusterService = s;
+ }
+
+ /**
+ * unsetClusterServices
+ * @param s
+ */
+ public void unsetClusterServices(IClusterGlobalServices s) {
+ if (this.clusterService == s) {
+ this.clusterService = null;
+ }
+ }
+
+}
Code Review / controller.git / blobdiff