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