transcriber/src/main/java/org/opendaylight/neutron/transcriber/NeutronFloatingIPInterface.java

   1 /*
   2  * Copyright IBM Corporation, 2013.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.neutron.transcriber;
  10
  11 import java.lang.reflect.Method;
  12 import java.util.ArrayList;
  13 import java.util.HashSet;
  14 import java.util.List;
  15 import java.util.Map.Entry;
  16 import java.util.Set;
  17 import java.util.concurrent.ConcurrentHashMap;
  18 import java.util.concurrent.ConcurrentMap;
  19
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  21 import org.opendaylight.neutron.spi.INeutronFloatingIPCRUD;
  22 import org.opendaylight.neutron.spi.INeutronNetworkCRUD;
  23 import org.opendaylight.neutron.spi.INeutronPortCRUD;
  24 import org.opendaylight.neutron.spi.INeutronSubnetCRUD;
  25 import org.opendaylight.neutron.spi.NeutronCRUDInterfaces;
  26 import org.opendaylight.neutron.spi.NeutronFloatingIP;
  27 import org.opendaylight.neutron.spi.NeutronPort;
  28 import org.opendaylight.neutron.spi.NeutronSubnet;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class NeutronFloatingIPInterface extends AbstractNeutronInterface implements INeutronFloatingIPCRUD {
  35     private static final Logger logger = LoggerFactory.getLogger(NeutronFloatingIPInterface.class);
  36
  37     private ConcurrentMap<String, NeutronFloatingIP> floatingIPDB  = new ConcurrentHashMap<String, NeutronFloatingIP>();
  38
  39
  40     NeutronFloatingIPInterface(ProviderContext providerContext) {
  41         super(providerContext);
  42     }
  43
  44     // this method uses reflection to update an object from it's delta.
  45
  46     @SuppressWarnings("unused")
  47     private boolean overwrite(Object target, Object delta) {
  48         Method[] methods = target.getClass().getMethods();
  49
  50         for(Method toMethod: methods){
  51             if(toMethod.getDeclaringClass().equals(target.getClass())
  52                     && toMethod.getName().startsWith("set")){
  53
  54                 String toName = toMethod.getName();
  55                 String fromName = toName.replace("set", "get");
  56
  57                 try {
  58                     Method fromMethod = delta.getClass().getMethod(fromName);
  59                     Object value = fromMethod.invoke(delta, (Object[])null);
  60                     if(value != null){
  61                         toMethod.invoke(target, value);
  62                     }
  63                 } catch (Exception e) {
  64                     e.printStackTrace();
  65                     return false;
  66                 }
  67             }
  68         }
  69         return true;
  70     }
  71
  72     // IfNBFloatingIPCRUD interface methods
  73
  74     @Override
  75     public boolean floatingIPExists(String uuid) {
  76         return floatingIPDB.containsKey(uuid);
  77     }
  78
  79     @Override
  80     public NeutronFloatingIP getFloatingIP(String uuid) {
  81         if (!floatingIPExists(uuid)) {
  82             return null;
  83         }
  84         return floatingIPDB.get(uuid);
  85     }
  86
  87     @Override
  88     public List<NeutronFloatingIP> getAllFloatingIPs() {
  89         Set<NeutronFloatingIP> allIPs = new HashSet<NeutronFloatingIP>();
  90         for (Entry<String, NeutronFloatingIP> entry : floatingIPDB.entrySet()) {
  91             NeutronFloatingIP floatingip = entry.getValue();
  92             allIPs.add(floatingip);
  93         }
  94         logger.debug("Exiting getAllFloatingIPs, Found {} FloatingIPs", allIPs.size());
  95         List<NeutronFloatingIP> ans = new ArrayList<NeutronFloatingIP>();
  96         ans.addAll(allIPs);
  97         return ans;
  98     }
  99
 100     @Override
 101     public boolean addFloatingIP(NeutronFloatingIP input) {
 102         INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);
 103         INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);
 104         INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);
 105
 106         if (floatingIPExists(input.getID())) {
 107             return false;
 108         }
 109         //if floating_ip_address isn't there, allocate from the subnet pool
 110         NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(input.getFloatingNetworkUUID()).getSubnets().get(0));
 111         if (input.getFloatingIPAddress() == null) {
 112             input.setFloatingIPAddress(subnet.getLowAddr());
 113         }
 114         subnet.allocateIP(input.getFloatingIPAddress());
 115
 116         //if port_id is there, bind port to this floating ip
 117         if (input.getPortUUID() != null) {
 118             NeutronPort port = portCRUD.getPort(input.getPortUUID());
 119             port.addFloatingIP(input.getFixedIPAddress(), input);
 120         }
 121
 122         floatingIPDB.putIfAbsent(input.getID(), input);
 123         return true;
 124     }
 125
 126     @Override
 127     public boolean removeFloatingIP(String uuid) {
 128         INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);
 129         INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this);
 130         INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);
 131
 132         if (!floatingIPExists(uuid)) {
 133             return false;
 134         }
 135         NeutronFloatingIP floatIP = getFloatingIP(uuid);
 136         //if floating_ip_address isn't there, allocate from the subnet pool
 137         NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(floatIP.getFloatingNetworkUUID()).getSubnets().get(0));
 138         subnet.releaseIP(floatIP.getFloatingIPAddress());
 139         if (floatIP.getPortUUID() != null) {
 140             NeutronPort port = portCRUD.getPort(floatIP.getPortUUID());
 141             port.removeFloatingIP(floatIP.getFixedIPAddress());
 142         }
 143         floatingIPDB.remove(uuid);
 144         return true;
 145     }
 146
 147     @Override
 148     public boolean updateFloatingIP(String uuid, NeutronFloatingIP delta) {
 149         INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this);
 150
 151         if (!floatingIPExists(uuid)) {
 152             return false;
 153         }
 154         NeutronFloatingIP target = floatingIPDB.get(uuid);
 155         if (target.getPortUUID() != null) {
 156             NeutronPort port = portCRUD.getPort(target.getPortUUID());
 157             port.removeFloatingIP(target.getFixedIPAddress());
 158         }
 159
 160         //if port_id is there, bind port to this floating ip
 161         if (delta.getPortUUID() != null) {
 162             NeutronPort port = portCRUD.getPort(delta.getPortUUID());
 163             port.addFloatingIP(delta.getFixedIPAddress(), delta);
 164         }
 165
 166         target.setPortUUID(delta.getPortUUID());
 167         target.setFixedIPAddress(delta.getFixedIPAddress());
 168         return true;
 169     }
 170
 171     @Override
 172     protected InstanceIdentifier createInstanceIdentifier(DataObject item) {
 173         // TODO Auto-generated method stub
 174         return null;
 175     }
 176
 177     @Override
 178     protected DataObject toMd(Object neutronObject) {
 179         // TODO Auto-generated method stub
 180         return null;
 181     }
 182
 183     @Override
 184     protected DataObject toMd(String uuid) {
 185         // TODO Auto-generated method stub
 186         return null;
 187     }
 188 }