opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronPortInterface.java

   1 /*\r
   2  * Copyright IBM Corporation, 2013.  All rights reserved.\r
   3  *\r
   4  * This program and the accompanying materials are made available under the\r
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html\r
   7  */\r
   8 \r
   9 package org.opendaylight.controller.networkconfig.neutron.implementation;\r
  10 \r
  11 import java.lang.reflect.Method;\r
  12 import java.util.ArrayList;\r
  13 import java.util.Dictionary;\r
  14 import java.util.EnumSet;\r
  15 import java.util.HashSet;\r
  16 import java.util.Iterator;\r
  17 import java.util.List;\r
  18 import java.util.Set;\r
  19 import java.util.Map.Entry;\r
  20 import java.util.concurrent.ConcurrentMap;\r
  21 \r
  22 import org.apache.felix.dm.Component;\r
  23 import org.opendaylight.controller.clustering.services.CacheConfigException;\r
  24 import org.opendaylight.controller.clustering.services.CacheExistException;\r
  25 import org.opendaylight.controller.clustering.services.IClusterContainerServices;\r
  26 import org.opendaylight.controller.clustering.services.IClusterServices;\r
  27 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;\r
  28 import org.opendaylight.controller.networkconfig.neutron.INeutronPortCRUD;\r
  29 import org.opendaylight.controller.networkconfig.neutron.INeutronSubnetCRUD;\r
  30 import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;\r
  31 import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;\r
  32 import org.opendaylight.controller.networkconfig.neutron.NeutronPort;\r
  33 import org.opendaylight.controller.networkconfig.neutron.NeutronSubnet;\r
  34 import org.opendaylight.controller.networkconfig.neutron.Neutron_IPs;\r
  35 import org.slf4j.Logger;\r
  36 import org.slf4j.LoggerFactory;\r
  37 \r
  38 public class NeutronPortInterface implements INeutronPortCRUD {\r
  39     private static final Logger logger = LoggerFactory.getLogger(NeutronPortInterface.class);\r
  40     private String containerName = null;\r
  41 \r
  42     private IClusterContainerServices clusterContainerService = null;\r
  43     private ConcurrentMap<String, NeutronPort> portDB;\r
  44 \r
  45     // methods needed for creating caches\r
  46 \r
  47     void setClusterContainerService(IClusterContainerServices s) {\r
  48         logger.debug("Cluster Service set");\r
  49         this.clusterContainerService = s;\r
  50     }\r
  51 \r
  52     void unsetClusterContainerService(IClusterContainerServices s) {\r
  53         if (this.clusterContainerService == s) {\r
  54             logger.debug("Cluster Service removed!");\r
  55             this.clusterContainerService = null;\r
  56         }\r
  57     }\r
  58 \r
  59     @SuppressWarnings("deprecation")\r
  60     private void allocateCache() {\r
  61         if (this.clusterContainerService == null) {\r
  62             logger.error("un-initialized clusterContainerService, can't create cache");\r
  63             return;\r
  64         }\r
  65         logger.debug("Creating Cache for OpenDOVE");\r
  66         try {\r
  67             // neutron caches\r
  68             this.clusterContainerService.createCache("neutronPorts",\r
  69                     EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));\r
  70         } catch (CacheConfigException cce) {\r
  71             logger.error("Cache couldn't be created for OpenDOVE -  check cache mode");\r
  72         } catch (CacheExistException cce) {\r
  73             logger.error("Cache for OpenDOVE already exists, destroy and recreate");\r
  74         }\r
  75         logger.debug("Cache successfully created for OpenDOVE");\r
  76     }\r
  77 \r
  78     @SuppressWarnings({ "unchecked", "deprecation" })\r
  79     private void retrieveCache() {\r
  80         if (this.clusterContainerService == null) {\r
  81             logger.error("un-initialized clusterContainerService, can't retrieve cache");\r
  82             return;\r
  83         }\r
  84 \r
  85         logger.debug("Retrieving cache for Neutron Ports");\r
  86         portDB = (ConcurrentMap<String, NeutronPort>) this.clusterContainerService\r
  87         .getCache("neutronPorts");\r
  88         if (portDB == null) {\r
  89             logger.error("Cache couldn't be retrieved for Neutron Ports");\r
  90         }\r
  91         logger.debug("Cache was successfully retrieved for Neutron Ports");\r
  92     }\r
  93 \r
  94     @SuppressWarnings("deprecation")\r
  95     private void destroyCache() {\r
  96         if (this.clusterContainerService == null) {\r
  97             logger.error("un-initialized clusterMger, can't destroy cache");\r
  98             return;\r
  99         }\r
 100         logger.debug("Destroying Cache for HostTracker");\r
 101         this.clusterContainerService.destroyCache("neutronPorts");\r
 102     }\r
 103 \r
 104     private void startUp() {\r
 105         allocateCache();\r
 106         retrieveCache();\r
 107     }\r
 108 \r
 109     /**\r
 110      * Function called by the dependency manager when all the required\r
 111      * dependencies are satisfied\r
 112      *\r
 113      */\r
 114     void init(Component c) {\r
 115         Dictionary<?, ?> props = c.getServiceProperties();\r
 116         if (props != null) {\r
 117             this.containerName = (String) props.get("containerName");\r
 118             logger.debug("Running containerName: {}", this.containerName);\r
 119         } else {\r
 120             // In the Global instance case the containerName is empty\r
 121             this.containerName = "";\r
 122         }\r
 123         startUp();\r
 124     }\r
 125 \r
 126     /**\r
 127      * Function called by the dependency manager when at least one dependency\r
 128      * become unsatisfied or when the component is shutting down because for\r
 129      * example bundle is being stopped.\r
 130      *\r
 131      */\r
 132     void destroy() {\r
 133         destroyCache();\r
 134     }\r
 135 \r
 136     /**\r
 137      * Function called by dependency manager after "init ()" is called and after\r
 138      * the services provided by the class are registered in the service registry\r
 139      *\r
 140      */\r
 141     void start() {\r
 142     }\r
 143 \r
 144     /**\r
 145      * Function called by the dependency manager before the services exported by\r
 146      * the component are unregistered, this will be followed by a "destroy ()"\r
 147      * calls\r
 148      *\r
 149      */\r
 150     void stop() {\r
 151     }\r
 152 \r
 153     // this method uses reflection to update an object from it's delta.\r
 154 \r
 155     private boolean overwrite(Object target, Object delta) {\r
 156         Method[] methods = target.getClass().getMethods();\r
 157 \r
 158         for(Method toMethod: methods){\r
 159             if(toMethod.getDeclaringClass().equals(target.getClass())\r
 160                     && toMethod.getName().startsWith("set")){\r
 161 \r
 162                 String toName = toMethod.getName();\r
 163                 String fromName = toName.replace("set", "get");\r
 164 \r
 165                 try {\r
 166                     Method fromMethod = delta.getClass().getMethod(fromName);\r
 167                     Object value = fromMethod.invoke(delta, (Object[])null);\r
 168                     if(value != null){\r
 169                         toMethod.invoke(target, value);\r
 170                     }\r
 171                 } catch (Exception e) {\r
 172                     e.printStackTrace();\r
 173                     return false;\r
 174                 }\r
 175             }\r
 176         }\r
 177         return true;\r
 178     }\r
 179 \r
 180     // IfNBPortCRUD methods\r
 181 \r
 182     public boolean portExists(String uuid) {\r
 183         return portDB.containsKey(uuid);\r
 184     }\r
 185 \r
 186     public NeutronPort getPort(String uuid) {\r
 187         if (!portExists(uuid))\r
 188             return null;\r
 189         return portDB.get(uuid);\r
 190     }\r
 191 \r
 192     public List<NeutronPort> getAllPorts() {\r
 193         Set<NeutronPort> allPorts = new HashSet<NeutronPort>();\r
 194         for (Entry<String, NeutronPort> entry : portDB.entrySet()) {\r
 195             NeutronPort port = entry.getValue();\r
 196             allPorts.add(port);\r
 197         }\r
 198         logger.debug("Exiting getAllPorts, Found {} OpenStackPorts", allPorts.size());\r
 199         List<NeutronPort> ans = new ArrayList<NeutronPort>();\r
 200         ans.addAll(allPorts);\r
 201         return ans;\r
 202     }\r
 203 \r
 204     public boolean addPort(NeutronPort input) {\r
 205         if (portExists(input.getID()))\r
 206             return false;\r
 207         portDB.putIfAbsent(input.getID(), input);\r
 208         // if there are no fixed IPs, allocate one for each subnet in the network\r
 209         INeutronSubnetCRUD systemCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
 210         if (input.getFixedIPs().size() == 0) {\r
 211             List<Neutron_IPs> list = input.getFixedIPs();\r
 212             Iterator<NeutronSubnet> subnetIterator = systemCRUD.getAllSubnets().iterator();\r
 213             while (subnetIterator.hasNext()) {\r
 214                 NeutronSubnet subnet = subnetIterator.next();\r
 215                 if (subnet.getNetworkUUID().equals(input.getNetworkUUID()))\r
 216                     list.add(new Neutron_IPs(subnet.getID()));\r
 217             }\r
 218         }\r
 219         Iterator<Neutron_IPs> fixedIPIterator = input.getFixedIPs().iterator();\r
 220         while (fixedIPIterator.hasNext()) {\r
 221             Neutron_IPs ip = fixedIPIterator.next();\r
 222             NeutronSubnet subnet = systemCRUD.getSubnet(ip.getSubnetUUID());\r
 223             if (ip.getIpAddress() == null)\r
 224                 ip.setIpAddress(subnet.getLowAddr());\r
 225             if (!ip.getIpAddress().equals(subnet.getGatewayIP())) {\r
 226                 subnet.allocateIP(ip.getIpAddress());\r
 227             }\r
 228             else {\r
 229                 subnet.setGatewayIPAllocated();\r
 230             }\r
 231             subnet.addPort(input);\r
 232         }\r
 233         INeutronNetworkCRUD networkIf = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);\r
 234 \r
 235         NeutronNetwork network = networkIf.getNetwork(input.getNetworkUUID());\r
 236         network.addPort(input);\r
 237         return true;\r
 238     }\r
 239 \r
 240     public boolean removePort(String uuid) {\r
 241         if (!portExists(uuid))\r
 242             return false;\r
 243         NeutronPort port = getPort(uuid);\r
 244         portDB.remove(uuid);\r
 245         INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);\r
 246         INeutronSubnetCRUD systemCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
 247 \r
 248         NeutronNetwork network = networkCRUD.getNetwork(port.getNetworkUUID());\r
 249         network.removePort(port);\r
 250         Iterator<Neutron_IPs> fixedIPIterator = port.getFixedIPs().iterator();\r
 251         while (fixedIPIterator.hasNext()) {\r
 252             Neutron_IPs ip = fixedIPIterator.next();\r
 253             NeutronSubnet subnet = systemCRUD.getSubnet(ip.getSubnetUUID());\r
 254             if (!ip.getIpAddress().equals(subnet.getGatewayIP())) {\r
 255                 subnet.releaseIP(ip.getIpAddress());\r
 256             }\r
 257             else {\r
 258                 subnet.resetGatewayIPAllocated();\r
 259             }\r
 260             subnet.removePort(port);\r
 261         }\r
 262         return true;\r
 263     }\r
 264 \r
 265     public boolean updatePort(String uuid, NeutronPort delta) {\r
 266         if (!portExists(uuid))\r
 267             return false;\r
 268         NeutronPort target = portDB.get(uuid);\r
 269         // remove old Fixed_IPs\r
 270         NeutronPort port = getPort(uuid);\r
 271         INeutronSubnetCRUD systemCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
 272         Iterator<Neutron_IPs> fixedIPIterator = port.getFixedIPs().iterator();\r
 273         while (fixedIPIterator.hasNext()) {\r
 274             Neutron_IPs ip = fixedIPIterator.next();\r
 275             NeutronSubnet subnet = systemCRUD.getSubnet(ip.getSubnetUUID());\r
 276             subnet.releaseIP(ip.getIpAddress());\r
 277         }\r
 278 \r
 279         // allocate new Fixed_IPs\r
 280         fixedIPIterator = delta.getFixedIPs().iterator();\r
 281         while (fixedIPIterator.hasNext()) {\r
 282             Neutron_IPs ip = fixedIPIterator.next();\r
 283             NeutronSubnet subnet = systemCRUD.getSubnet(ip.getSubnetUUID());\r
 284             if (ip.getIpAddress() == null)\r
 285                 ip.setIpAddress(subnet.getLowAddr());\r
 286             subnet.allocateIP(ip.getIpAddress());\r
 287         }\r
 288         return overwrite(target, delta);\r
 289     }\r
 290 \r
 291     public boolean macInUse(String macAddress) {\r
 292         List<NeutronPort> ports = getAllPorts();\r
 293         Iterator<NeutronPort> portIterator = ports.iterator();\r
 294         while (portIterator.hasNext()) {\r
 295             NeutronPort port = portIterator.next();\r
 296             if (macAddress.equalsIgnoreCase(port.getMacAddress()))\r
 297                 return true;\r
 298         }\r
 299         return false;\r
 300     }\r
 301 \r
 302     public NeutronPort getGatewayPort(String subnetUUID) {\r
 303         INeutronSubnetCRUD systemCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);\r
 304         NeutronSubnet subnet = systemCRUD.getSubnet(subnetUUID);\r
 305         Iterator<NeutronPort> portIterator = getAllPorts().iterator();\r
 306         while (portIterator.hasNext()) {\r
 307             NeutronPort port = portIterator.next();\r
 308             List<Neutron_IPs> fixedIPs = port.getFixedIPs();\r
 309             if (fixedIPs.size() == 1) {\r
 310                 if (subnet.getGatewayIP().equals(fixedIPs.get(0).getIpAddress()))\r
 311                     return port;\r
 312             }\r
 313         }\r
 314         return null;\r
 315     }\r
 316 \r
 317 }\r