openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/FWaasHandler.java

   1 /*
   2  * Copyright (C) 2013 Red Hat, Inc.
   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
  10 package org.opendaylight.ovsdb.openstack.netvirt;
  11
  12 import java.net.HttpURLConnection;
  13
  14 import org.opendaylight.neutron.spi.INeutronFirewallAware;
  15 import org.opendaylight.neutron.spi.INeutronFirewallPolicyAware;
  16 import org.opendaylight.neutron.spi.INeutronFirewallRuleAware;
  17 import org.opendaylight.neutron.spi.NeutronFirewall;
  18 import org.opendaylight.neutron.spi.NeutronFirewallPolicy;
  19 import org.opendaylight.neutron.spi.NeutronFirewallRule;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher;
  21 import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
  22 import org.osgi.framework.BundleContext;
  23 import org.osgi.framework.ServiceReference;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * Handle requests for OpenStack Neutron v2.0 Port Firewall API calls.
  29  */
  30 public class FWaasHandler extends AbstractHandler
  31         implements INeutronFirewallAware, INeutronFirewallRuleAware,
  32         INeutronFirewallPolicyAware, ConfigInterface {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(FWaasHandler.class);
  35
  36     /**
  37      * Invoked when a Firewall Rules creation is requested
  38      * to indicate if the specified Rule can be created.
  39      *
  40      * @param neutronFirewall  An instance of proposed new Neutron Firewall object.
  41      * @return HttpURLConnection A HTTP status code to the creation request.
  42      */
  43     @Override
  44     public int canCreateNeutronFirewall(NeutronFirewall neutronFirewall) {
  45         return HttpURLConnection.HTTP_CREATED;
  46     }
  47
  48     @Override
  49     public void neutronFirewallCreated(NeutronFirewall neutronFirewall) {
  50         LOG.debug("Neutron Firewall created by Neutron: {}", neutronFirewall);
  51         int result = HttpURLConnection.HTTP_BAD_REQUEST;
  52
  53         result = canCreateNeutronFirewall(neutronFirewall);
  54         if (result != HttpURLConnection.HTTP_CREATED) {
  55             LOG.error("Neutron Firewall creation failed: {} ", result);
  56             return;
  57         }
  58     }
  59
  60     @Override
  61     public int canUpdateNeutronFirewall(NeutronFirewall delta, NeutronFirewall original) {
  62         return HttpURLConnection.HTTP_OK;
  63     }
  64
  65     @Override
  66     public void neutronFirewallUpdated(NeutronFirewall neutronFirewall) {
  67         LOG.debug("NeutronFirewall updated from Neutron: {}", neutronFirewall);
  68         return;
  69     }
  70
  71     @Override
  72     public int canDeleteNeutronFirewall(NeutronFirewall neutronFirewall) {
  73         return HttpURLConnection.HTTP_OK;
  74     }
  75
  76     @Override
  77     public void neutronFirewallDeleted(NeutronFirewall neutronFirewall) {
  78         //TODO: Trigger flowmod removals
  79         int result = canDeleteNeutronFirewall(neutronFirewall);
  80         if  (result != HttpURLConnection.HTTP_OK) {
  81             LOG.error(" delete Neutron Firewall validation failed for result - {} ", result);
  82             return;
  83         }
  84     }
  85
  86     /**
  87      * Invoked when a Firewall Rule creation is requested
  88      * to indicate if the specified Rule can be created.
  89      *
  90      * @param neutronFirewallRule  An instance of proposed new Neutron Firewall Rule object.
  91      * @return HttpURLConnection A HTTP status code to the creation request.
  92      */
  93     @Override
  94     public int canCreateNeutronFirewallRule(NeutronFirewallRule neutronFirewallRule) {
  95         return HttpURLConnection.HTTP_CREATED;
  96     }
  97
  98     @Override
  99     public void neutronFirewallRuleCreated(NeutronFirewallRule neutronFirewallRule) {
 100         LOG.debug("NeutronFirewallRule created by Neutron: {}", neutronFirewallRule);
 101
 102         int result = HttpURLConnection.HTTP_BAD_REQUEST;
 103
 104         result = canCreateNeutronFirewallRule(neutronFirewallRule);
 105         if (result != HttpURLConnection.HTTP_CREATED) {
 106             LOG.error("Neutron Firewall Rule creation failed {} ", result);
 107             return;
 108         }
 109     }
 110
 111     @Override
 112     public int canUpdateNeutronFirewallRule(NeutronFirewallRule delta, NeutronFirewallRule original) {
 113         return HttpURLConnection.HTTP_OK;
 114     }
 115
 116     @Override
 117     public void neutronFirewallRuleUpdated(NeutronFirewallRule neutronFirewallRule) {
 118         LOG.debug("Neutron Firewall Rule updated from Neutron: {}", neutronFirewallRule);
 119         return;
 120     }
 121
 122     @Override
 123     public int canDeleteNeutronFirewallRule(NeutronFirewallRule neutronFirewallRule) {
 124         return HttpURLConnection.HTTP_OK;
 125     }
 126
 127     @Override
 128     public void neutronFirewallRuleDeleted(NeutronFirewallRule neutronFirewallRule) {
 129         int result = canDeleteNeutronFirewallRule(neutronFirewallRule);
 130         if  (result != HttpURLConnection.HTTP_OK) {
 131             LOG.error(" delete Neutron Firewall Rule validation failed for result - {} ", result);
 132             return;
 133         }
 134     }
 135
 136     /**
 137      * Invoked when a Firewall Policy creation is requested
 138      * to indicate if the specified Rule can be created.
 139      *
 140      * @param neutronFirewallPolicy  An instance of proposed new Neutron Firewall Policy object.
 141      * @return HttpURLConnection A HTTP status code to the creation request.
 142      */
 143     @Override
 144     public int canCreateNeutronFirewallPolicy(NeutronFirewallPolicy neutronFirewallPolicy) {
 145         return HttpURLConnection.HTTP_CREATED;
 146     }
 147
 148     @Override
 149     public void neutronFirewallPolicyCreated(NeutronFirewallPolicy neutronFirewallPolicy) {
 150         LOG.debug("Neutron Firewall Policy created by Neutron: {}", neutronFirewallPolicy);
 151
 152         int result = HttpURLConnection.HTTP_BAD_REQUEST;
 153
 154         result = canCreateNeutronFirewallPolicy(neutronFirewallPolicy);
 155         if (result != HttpURLConnection.HTTP_CREATED) {
 156             LOG.debug("Neutron Firewall Policy creation failed: {} ", result);
 157             return;
 158         }
 159     }
 160
 161     @Override
 162     public int canUpdateNeutronFirewallPolicy(NeutronFirewallPolicy delta, NeutronFirewallPolicy original) {
 163         return HttpURLConnection.HTTP_OK;
 164     }
 165
 166     @Override
 167     public void neutronFirewallPolicyUpdated(NeutronFirewallPolicy neutronFirewallPolicy) {
 168         LOG.debug("Neutron Firewall Policy updated from Neutron: {}", neutronFirewallPolicy);
 169         return;
 170     }
 171
 172     @Override
 173     public int canDeleteNeutronFirewallPolicy(NeutronFirewallPolicy neutronFirewallPolicy) {
 174         return HttpURLConnection.HTTP_OK;
 175     }
 176
 177     @Override
 178     public void neutronFirewallPolicyDeleted(NeutronFirewallPolicy neutronFirewallPolicy) {
 179         int result = canDeleteNeutronFirewallPolicy(neutronFirewallPolicy);
 180         if  (result != HttpURLConnection.HTTP_OK) {
 181             LOG.error(" delete Neutron Firewall Policy validation failed for result - {} ", result);
 182             return;
 183         }
 184     }
 185
 186     /**
 187      * Process the event.
 188      *
 189      * @param abstractEvent@see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
 190      */
 191     @Override
 192     public void processEvent(AbstractEvent abstractEvent) {
 193         if (!(abstractEvent instanceof NorthboundEvent)) {
 194             LOG.error("Unable to process abstract event {}", abstractEvent);
 195             return;
 196         }
 197         NorthboundEvent ev = (NorthboundEvent) abstractEvent;
 198         switch (ev.getAction()) {
 199             // TODO: add handling of events here, once callbacks do something
 200             //       other than logging.
 201             default:
 202                 LOG.warn("Unable to process event action {}", ev.getAction());
 203                 break;
 204         }
 205     }
 206
 207     @Override
 208     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 209         eventDispatcher =
 210                 (EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
 211         eventDispatcher.eventHandlerAdded(
 212                 bundleContext.getServiceReference(INeutronFirewallAware.class.getName()), this);
 213     }
 214
 215     @Override
 216     public void setDependencies(Object impl) {}
 217 }