--- /dev/null
+/*\r
+ * Copyright IBM Corporation, 2013. All rights reserved.\r
+ *\r
+ * This program and the accompanying materials are made available under the\r
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
+ * and is available at http://www.eclipse.org/legal/epl-v10.html\r
+ */\r
+\r
+package org.opendaylight.controller.networkconfig.neutron.implementation;\r
+\r
+import java.lang.reflect.Method;\r
+import java.util.ArrayList;\r
+import java.util.Dictionary;\r
+import java.util.EnumSet;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Set;\r
+import java.util.Map.Entry;\r
+import java.util.concurrent.ConcurrentMap;\r
+\r
+import org.apache.felix.dm.Component;\r
+import org.opendaylight.controller.clustering.services.CacheConfigException;\r
+import org.opendaylight.controller.clustering.services.CacheExistException;\r
+import org.opendaylight.controller.clustering.services.IClusterContainerServices;\r
+import org.opendaylight.controller.clustering.services.IClusterServices;\r
+import org.opendaylight.controller.networkconfig.neutron.INeutronFloatingIPCRUD;\r
+import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;\r
+import org.opendaylight.controller.networkconfig.neutron.INeutronPortCRUD;\r
+import org.opendaylight.controller.networkconfig.neutron.INeutronSubnetCRUD;\r
+import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;\r
+import org.opendaylight.controller.networkconfig.neutron.NeutronFloatingIP;\r
+import org.opendaylight.controller.networkconfig.neutron.NeutronPort;\r
+import org.opendaylight.controller.networkconfig.neutron.NeutronSubnet;\r
+import org.slf4j.Logger;\r
+import org.slf4j.LoggerFactory;\r
+\r
+public class NeutronFloatingIPInterface implements INeutronFloatingIPCRUD {\r
+ private static final Logger logger = LoggerFactory.getLogger(NeutronFloatingIPInterface.class);\r
+ private String containerName = null;\r
+\r
+ private IClusterContainerServices clusterContainerService = null;\r
+ private ConcurrentMap<String, NeutronFloatingIP> floatingIPDB;\r
+\r
+ // methods needed for creating caches\r
+\r
+ void setClusterContainerService(IClusterContainerServices s) {\r
+ logger.debug("Cluster Service set");\r
+ this.clusterContainerService = s;\r
+ }\r
+\r
+ void unsetClusterContainerService(IClusterContainerServices s) {\r
+ if (this.clusterContainerService == s) {\r
+ logger.debug("Cluster Service removed!");\r
+ this.clusterContainerService = null;\r
+ }\r
+ }\r
+\r
+ @SuppressWarnings("deprecation")\r
+ private void allocateCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterContainerService, can't create cache");\r
+ return;\r
+ }\r
+ logger.debug("Creating Cache for Neutron FloatingIPs");\r
+ try {\r
+ // neutron caches\r
+ this.clusterContainerService.createCache("neutronFloatingIPs",\r
+ EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));\r
+ } catch (CacheConfigException cce) {\r
+ logger.error("Cache couldn't be created for Neutron - check cache mode");\r
+ } catch (CacheExistException cce) {\r
+ logger.error("Cache for Neutron already exists, destroy and recreate");\r
+ }\r
+ logger.debug("Cache successfully created for NeutronFloatingIps");\r
+ }\r
+\r
+ @SuppressWarnings({ "unchecked", "deprecation" })\r
+ private void retrieveCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterContainerService, can't retrieve cache");\r
+ return;\r
+ }\r
+\r
+ logger.debug("Retrieving cache for Neutron FloatingIPs");\r
+ floatingIPDB = (ConcurrentMap<String, NeutronFloatingIP>) this.clusterContainerService\r
+ .getCache("neutronFloatingIPs");\r
+ if (floatingIPDB == null) {\r
+ logger.error("Cache couldn't be retrieved for Neutron FloatingIPs");\r
+ }\r
+ logger.debug("Cache was successfully retrieved for Neutron FloatingIPs");\r
+ }\r
+\r
+ @SuppressWarnings("deprecation")\r
+ private void destroyCache() {\r
+ if (this.clusterContainerService == null) {\r
+ logger.error("un-initialized clusterMger, can't destroy cache");\r
+ return;\r
+ }\r
+ logger.debug("Destroying Cache for HostTracker");\r
+ this.clusterContainerService.destroyCache("neutronFloatingIPs");\r
+ }\r
+\r
+ private void startUp() {\r
+ allocateCache();\r
+ retrieveCache();\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager when all the required\r
+ * dependencies are satisfied\r
+ *\r
+ */\r
+ void init(Component c) {\r
+ Dictionary<?, ?> props = c.getServiceProperties();\r
+ if (props != null) {\r
+ this.containerName = (String) props.get("containerName");\r
+ logger.debug("Running containerName: {}", this.containerName);\r
+ } else {\r
+ // In the Global instance case the containerName is empty\r
+ this.containerName = "";\r
+ }\r
+ startUp();\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager when at least one dependency\r
+ * become unsatisfied or when the component is shutting down because for\r
+ * example bundle is being stopped.\r
+ *\r
+ */\r
+ void destroy() {\r
+ destroyCache();\r
+ }\r
+\r
+ /**\r
+ * Function called by dependency manager after "init ()" is called and after\r
+ * the services provided by the class are registered in the service registry\r
+ *\r
+ */\r
+ void start() {\r
+ }\r
+\r
+ /**\r
+ * Function called by the dependency manager before the services exported by\r
+ * the component are unregistered, this will be followed by a "destroy ()"\r
+ * calls\r
+ *\r
+ */\r
+ void stop() {\r
+ }\r
+\r
+ // this method uses reflection to update an object from it's delta.\r
+\r
+ private boolean overwrite(Object target, Object delta) {\r
+ Method[] methods = target.getClass().getMethods();\r
+\r
+ for(Method toMethod: methods){\r
+ if(toMethod.getDeclaringClass().equals(target.getClass())\r
+ && toMethod.getName().startsWith("set")){\r
+\r
+ String toName = toMethod.getName();\r
+ String fromName = toName.replace("set", "get");\r
+\r
+ try {\r
+ Method fromMethod = delta.getClass().getMethod(fromName);\r
+ Object value = fromMethod.invoke(delta, (Object[])null);\r
+ if(value != null){\r
+ toMethod.invoke(target, value);\r
+ }\r
+ } catch (Exception e) {\r
+ e.printStackTrace();\r
+ return false;\r
+ }\r
+ }\r
+ }\r
+ return true;\r
+ }\r
+\r
+ // IfNBFloatingIPCRUD interface methods\r
+\r
+ public boolean floatingIPExists(String uuid) {\r
+ return floatingIPDB.containsKey(uuid);\r
+ }\r
+\r
+ public NeutronFloatingIP getFloatingIP(String uuid) {\r
+ if (!floatingIPExists(uuid))\r
+ return null;\r
+ return floatingIPDB.get(uuid);\r
+ }\r
+\r
+ public List<NeutronFloatingIP> getAllFloatingIPs() {\r
+ Set<NeutronFloatingIP> allIPs = new HashSet<NeutronFloatingIP>();\r
+ for (Entry<String, NeutronFloatingIP> entry : floatingIPDB.entrySet()) {\r
+ NeutronFloatingIP floatingip = entry.getValue();\r
+ allIPs.add(floatingip);\r
+ }\r
+ logger.debug("Exiting getAllFloatingIPs, Found {} FloatingIPs", allIPs.size());\r
+ List<NeutronFloatingIP> ans = new ArrayList<NeutronFloatingIP>();\r
+ ans.addAll(allIPs);\r
+ return ans;\r
+ }\r
+\r
+ public boolean addFloatingIP(NeutronFloatingIP input) {\r
+ INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);\r
+ INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
+ INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);\r
+\r
+ if (floatingIPExists(input.getID()))\r
+ return false;\r
+ //if floating_ip_address isn't there, allocate from the subnet pool\r
+ NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(input.getFloatingNetworkUUID()).getSubnets().get(0));\r
+ if (input.getFloatingIPAddress() == null)\r
+ input.setFloatingIPAddress(subnet.getLowAddr());\r
+ subnet.allocateIP(input.getFloatingIPAddress());\r
+\r
+ //if port_id is there, bind port to this floating ip\r
+ if (input.getPortUUID() != null) {\r
+ NeutronPort port = portCRUD.getPort(input.getPortUUID());\r
+ port.addFloatingIP(input.getFixedIPAddress(), input);\r
+ }\r
+\r
+ floatingIPDB.putIfAbsent(input.getID(), input);\r
+ return true;\r
+ }\r
+\r
+ public boolean removeFloatingIP(String uuid) {\r
+ INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);\r
+ INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
+ INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);\r
+\r
+ if (!floatingIPExists(uuid))\r
+ return false;\r
+ NeutronFloatingIP floatIP = getFloatingIP(uuid);\r
+ //if floating_ip_address isn't there, allocate from the subnet pool\r
+ NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(floatIP.getFloatingNetworkUUID()).getSubnets().get(0));\r
+ subnet.releaseIP(floatIP.getFloatingIPAddress());\r
+ if (floatIP.getPortUUID() != null) {\r
+ NeutronPort port = portCRUD.getPort(floatIP.getPortUUID());\r
+ port.removeFloatingIP(floatIP.getFixedIPAddress());\r
+ }\r
+ floatingIPDB.remove(uuid);\r
+ return true;\r
+ }\r
+\r
+ public boolean updateFloatingIP(String uuid, NeutronFloatingIP delta) {\r
+ INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);\r
+\r
+ if (!floatingIPExists(uuid))\r
+ return false;\r
+ NeutronFloatingIP target = floatingIPDB.get(uuid);\r
+ if (target.getPortUUID() != null) {\r
+ NeutronPort port = portCRUD.getPort(target.getPortUUID());\r
+ port.removeFloatingIP(target.getFixedIPAddress());\r
+ }\r
+\r
+ //if port_id is there, bind port to this floating ip\r
+ if (delta.getPortUUID() != null) {\r
+ NeutronPort port = portCRUD.getPort(delta.getPortUUID());\r
+ port.addFloatingIP(delta.getFixedIPAddress(), delta);\r
+ }\r
+\r
+ target.setPortUUID(delta.getPortUUID());\r
+ target.setFixedIPAddress(delta.getFixedIPAddress());\r
+ return true;\r
+ }\r
+}\r