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
  52         int result = canCreateNeutronFirewall(neutronFirewall);
  53         if (result != HttpURLConnection.HTTP_CREATED) {
  54             LOG.error("Neutron Firewall creation failed: {} ", result);
  55         }
  56     }
  57
  58     @Override
  59     public int canUpdateNeutronFirewall(NeutronFirewall delta, NeutronFirewall original) {
  60         return HttpURLConnection.HTTP_OK;
  61     }
  62
  63     @Override
  64     public void neutronFirewallUpdated(NeutronFirewall neutronFirewall) {
  65         LOG.debug("NeutronFirewall updated from Neutron: {}", neutronFirewall);
  66     }
  67
  68     @Override
  69     public int canDeleteNeutronFirewall(NeutronFirewall neutronFirewall) {
  70         return HttpURLConnection.HTTP_OK;
  71     }
  72
  73     @Override
  74     public void neutronFirewallDeleted(NeutronFirewall neutronFirewall) {
  75         //TODO: Trigger flowmod removals
  76         int result = canDeleteNeutronFirewall(neutronFirewall);
  77         if  (result != HttpURLConnection.HTTP_OK) {
  78             LOG.error(" delete Neutron Firewall validation failed for result - {} ", result);
  79         }
  80     }
  81
  82     /**
  83      * Invoked when a Firewall Rule creation is requested
  84      * to indicate if the specified Rule can be created.
  85      *
  86      * @param neutronFirewallRule  An instance of proposed new Neutron Firewall Rule object.
  87      * @return HttpURLConnection A HTTP status code to the creation request.
  88      */
  89     @Override
  90     public int canCreateNeutronFirewallRule(NeutronFirewallRule neutronFirewallRule) {
  91         return HttpURLConnection.HTTP_CREATED;
  92     }
  93
  94     @Override
  95     public void neutronFirewallRuleCreated(NeutronFirewallRule neutronFirewallRule) {
  96         LOG.debug("NeutronFirewallRule created by Neutron: {}", neutronFirewallRule);
  97
  98         int result = canCreateNeutronFirewallRule(neutronFirewallRule);
  99         if (result != HttpURLConnection.HTTP_CREATED) {
 100             LOG.error("Neutron Firewall Rule creation failed {} ", result);
 101         }
 102     }
 103
 104     @Override
 105     public int canUpdateNeutronFirewallRule(NeutronFirewallRule delta, NeutronFirewallRule original) {
 106         return HttpURLConnection.HTTP_OK;
 107     }
 108
 109     @Override
 110     public void neutronFirewallRuleUpdated(NeutronFirewallRule neutronFirewallRule) {
 111         LOG.debug("Neutron Firewall Rule updated from Neutron: {}", neutronFirewallRule);
 112     }
 113
 114     @Override
 115     public int canDeleteNeutronFirewallRule(NeutronFirewallRule neutronFirewallRule) {
 116         return HttpURLConnection.HTTP_OK;
 117     }
 118
 119     @Override
 120     public void neutronFirewallRuleDeleted(NeutronFirewallRule neutronFirewallRule) {
 121         int result = canDeleteNeutronFirewallRule(neutronFirewallRule);
 122         if  (result != HttpURLConnection.HTTP_OK) {
 123             LOG.error(" delete Neutron Firewall Rule validation failed for result - {} ", result);
 124         }
 125     }
 126
 127     /**
 128      * Invoked when a Firewall Policy creation is requested
 129      * to indicate if the specified Rule can be created.
 130      *
 131      * @param neutronFirewallPolicy  An instance of proposed new Neutron Firewall Policy object.
 132      * @return HttpURLConnection A HTTP status code to the creation request.
 133      */
 134     @Override
 135     public int canCreateNeutronFirewallPolicy(NeutronFirewallPolicy neutronFirewallPolicy) {
 136         return HttpURLConnection.HTTP_CREATED;
 137     }
 138
 139     @Override
 140     public void neutronFirewallPolicyCreated(NeutronFirewallPolicy neutronFirewallPolicy) {
 141         LOG.debug("Neutron Firewall Policy created by Neutron: {}", neutronFirewallPolicy);
 142
 143         int result = canCreateNeutronFirewallPolicy(neutronFirewallPolicy);
 144         if (result != HttpURLConnection.HTTP_CREATED) {
 145             LOG.debug("Neutron Firewall Policy creation failed: {} ", result);
 146         }
 147     }
 148
 149     @Override
 150     public int canUpdateNeutronFirewallPolicy(NeutronFirewallPolicy delta, NeutronFirewallPolicy original) {
 151         return HttpURLConnection.HTTP_OK;
 152     }
 153
 154     @Override
 155     public void neutronFirewallPolicyUpdated(NeutronFirewallPolicy neutronFirewallPolicy) {
 156         LOG.debug("Neutron Firewall Policy updated from Neutron: {}", neutronFirewallPolicy);
 157     }
 158
 159     @Override
 160     public int canDeleteNeutronFirewallPolicy(NeutronFirewallPolicy neutronFirewallPolicy) {
 161         return HttpURLConnection.HTTP_OK;
 162     }
 163
 164     @Override
 165     public void neutronFirewallPolicyDeleted(NeutronFirewallPolicy neutronFirewallPolicy) {
 166         int result = canDeleteNeutronFirewallPolicy(neutronFirewallPolicy);
 167         if  (result != HttpURLConnection.HTTP_OK) {
 168             LOG.error(" delete Neutron Firewall Policy validation failed for result - {} ", result);
 169         }
 170     }
 171
 172     /**
 173      * Process the event.
 174      *
 175      * @param abstractEvent@see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
 176      */
 177     @Override
 178     public void processEvent(AbstractEvent abstractEvent) {
 179         if (!(abstractEvent instanceof NorthboundEvent)) {
 180             LOG.error("Unable to process abstract event {}", abstractEvent);
 181             return;
 182         }
 183         NorthboundEvent ev = (NorthboundEvent) abstractEvent;
 184         switch (ev.getAction()) {
 185             // TODO: add handling of events here, once callbacks do something
 186             //       other than logging.
 187             default:
 188                 LOG.warn("Unable to process event action {}", ev.getAction());
 189                 break;
 190         }
 191     }
 192
 193     @Override
 194     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 195         eventDispatcher =
 196                 (EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
 197         eventDispatcher.eventHandlerAdded(
 198                 bundleContext.getServiceReference(INeutronFirewallAware.class.getName()), this);
 199     }
 200
 201     @Override
 202     public void setDependencies(Object impl) {}
 203 }