Add some debugging for vlan case
[ovsdb.git] / openstack / net-virt-providers / src / main / java / org / opendaylight / ovsdb / openstack / netvirt / providers / openflow13 / OF13Provider.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 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13;
9
10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
11 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
12 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
15 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
16 import org.opendaylight.neutron.spi.NeutronNetwork;
17 import org.opendaylight.ovsdb.openstack.netvirt.MdsalHelper;
18 import org.opendaylight.ovsdb.openstack.netvirt.NetworkHandler;
19 import org.opendaylight.ovsdb.openstack.netvirt.api.BridgeConfigurationManager;
20 import org.opendaylight.ovsdb.openstack.netvirt.api.ClassifierProvider;
21 import org.opendaylight.ovsdb.openstack.netvirt.api.ConfigurationService;
22 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
23 import org.opendaylight.ovsdb.openstack.netvirt.api.EgressAclProvider;
24 import org.opendaylight.ovsdb.openstack.netvirt.api.IngressAclProvider;
25 import org.opendaylight.ovsdb.openstack.netvirt.api.L2ForwardingProvider;
26 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProvider;
27 import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheManager;
28 import org.opendaylight.ovsdb.openstack.netvirt.api.SecurityServicesManager;
29 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
30 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
31 import org.opendaylight.ovsdb.openstack.netvirt.api.TenantNetworkManager;
32 import org.opendaylight.ovsdb.openstack.netvirt.MdsalUtils;
33 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.GroupActionCase;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.GroupActionCaseBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.group.action._case.GroupActionBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.output.action._case.OutputActionBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCase;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.BucketId;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.Buckets;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.BucketsBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketKey;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
75 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
78 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
79 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
80 import org.slf4j.Logger;
81 import org.slf4j.LoggerFactory;
82
83 import com.google.common.base.Optional;
84 import com.google.common.base.Preconditions;
85 import com.google.common.collect.Lists;
86 import com.google.common.collect.Maps;
87 import com.google.common.util.concurrent.CheckedFuture;
88
89 import java.net.InetAddress;
90 import java.util.List;
91 import java.util.Map;
92 import java.util.concurrent.ExecutionException;
93
94
95 /**
96  * Open vSwitch OpenFlow 1.3 Networking Provider for OpenStack Neutron
97  *
98  * @author Madhu Venugopal
99  * @author Brent Salisbury
100  * @author Dave Tucker
101  * @author Sam Hague
102  */
103 public class OF13Provider implements NetworkingProvider {
104     private static final Logger logger = LoggerFactory.getLogger(OF13Provider.class);
105     private DataBroker dataBroker;
106     private static final short TABLE_0_DEFAULT_INGRESS = 0;
107     private static final short TABLE_1_ISOLATE_TENANT = 10;
108     private static final short TABLE_2_LOCAL_FORWARD = 20;
109     private static Long groupId = 1L;
110
111     private volatile ConfigurationService configurationService;
112     private volatile BridgeConfigurationManager bridgeConfigurationManager;
113     private volatile TenantNetworkManager tenantNetworkManager;
114     private volatile SecurityServicesManager securityServicesManager;
115     //private volatile OvsdbConnectionService connectionService;
116     private volatile MdsalConsumer mdsalConsumer;
117     private volatile ClassifierProvider classifierProvider;
118     private volatile IngressAclProvider ingressAclProvider;
119     private volatile EgressAclProvider egressAclProvider;
120     private volatile NodeCacheManager nodeCacheManager;
121     private volatile L2ForwardingProvider l2ForwardingProvider;
122
123     public static final String NAME = "OF13Provider";
124
125     public void init() {
126         logger.info(">>>>>> init OF13Provider {}", this.getClass());
127     }
128
129     @Override
130     public String getName() {
131         return NAME;
132     }
133
134     @Override
135     public boolean supportsServices() {
136         return true;
137     }
138
139     @Override
140     public boolean hasPerTenantTunneling() {
141         return false;
142     }
143
144     private Status getTunnelReadinessStatus (Node node, String tunnelKey) {
145         InetAddress srcTunnelEndPoint = configurationService.getTunnelEndPoint(node);
146         if (srcTunnelEndPoint == null) {
147             logger.error("Tunnel Endpoint not configured for Node {}", node);
148             return new Status(StatusCode.NOTFOUND, "Tunnel Endpoint not configured for "+ node);
149         }
150
151         if (!bridgeConfigurationManager.isNodeNeutronReady(node)) {
152             logger.error(node+" is not Overlay ready");
153             return new Status(StatusCode.NOTACCEPTABLE, node+" is not Overlay ready");
154         }
155
156         if (!tenantNetworkManager.isTenantNetworkPresentInNode(node, tunnelKey)) {
157             logger.debug(node + " has no VM corresponding to segment " + tunnelKey);
158             return new Status(StatusCode.NOTACCEPTABLE, node+" has no VM corresponding to segment "+ tunnelKey);
159         }
160         return new Status(StatusCode.SUCCESS);
161     }
162
163     private String getTunnelName(String tunnelType, InetAddress dst) {
164         return tunnelType+"-"+dst.getHostAddress();
165     }
166
167     private boolean addTunnelPort (Node node, String tunnelType, InetAddress src, InetAddress dst) {
168         String tunnelBridgeName = configurationService.getIntegrationBridgeName();
169         String portName = getTunnelName(tunnelType, dst);
170         logger.info("addTunnelPort enter: portName: {}", portName);
171         if (MdsalUtils.extractTerminationPointAugmentation(node, portName) != null
172                 || MdsalUtils.isTunnelTerminationPointExist(node,tunnelBridgeName,portName)) {
173             logger.info("Tunnel {} is present in {} of {}", portName, tunnelBridgeName, node);
174             return true;
175         }
176
177         Map<String, String> options = Maps.newHashMap();
178         options.put("key", "flow");
179         options.put("local_ip", src.getHostAddress());
180         options.put("remote_ip", dst.getHostAddress());
181
182         if (!MdsalUtils.addTunnelTerminationPoint(node, tunnelBridgeName, portName, tunnelType, options)) {
183             logger.error("Failed to insert Tunnel port {} in {}", portName, tunnelBridgeName);
184             return false;
185         }
186
187         logger.info("addTunnelPort exit: portName: {}", portName);
188         return true;
189     }
190
191     /* delete port from ovsdb port table */
192     private boolean deletePort(Node node, String bridgeName, String portName) {
193         // TODO SB_MIGRATION
194         // might need to convert from ovsdb node to bridge node
195         return MdsalUtils.deleteTerminationPoint(node, portName);
196     }
197
198     private boolean deleteTunnelPort(Node node, String tunnelType, InetAddress src, InetAddress dst) {
199         String tunnelBridgeName = configurationService.getIntegrationBridgeName();
200         String portName = getTunnelName(tunnelType, dst);
201         return deletePort(node, tunnelBridgeName, portName);
202     }
203
204     private boolean deletePhysicalPort(Node node, String phyIntfName) {
205         String intBridgeName = configurationService.getIntegrationBridgeName();
206         return deletePort(node, intBridgeName, phyIntfName);
207     }
208
209     private void programLocalBridgeRules(Node node, Long dpid, String segmentationId,
210                                          String attachedMac, long localPort) {
211         /*
212          * Table(0) Rule #3
213          * ----------------
214          * Match: VM sMac and Local Ingress Port
215          * Action:Action: Set Tunnel ID and GOTO Local Table (5)
216          */
217
218         handleLocalInPort(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_1_ISOLATE_TENANT,
219                 segmentationId, localPort, attachedMac, true);
220
221         /*
222          * Table(0) Rule #4
223          * ----------------
224          * Match: Drop any remaining Ingress Local VM Packets
225          * Action: Drop w/ a low priority
226          */
227
228         handleDropSrcIface(dpid, localPort, true);
229
230         /*
231          * Table(2) Rule #1
232          * ----------------
233          * Match: Match TunID and Destination DL/dMAC Addr
234          * Action: Output Port
235          * table=2,tun_id=0x5,dl_dst=00:00:00:00:00:01 actions=output:2
236          */
237
238         handleLocalUcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, attachedMac, true);
239
240         /*
241          * Table(2) Rule #2
242          * ----------------
243          * Match: Tunnel ID and dMAC (::::FF:FF)
244          * table=2,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
245          * actions=output:2,3,4,5
246          */
247
248         handleLocalBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, true);
249         handleTunnelFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, true);
250
251         /*
252          * TODO : Optimize the following 2 writes to be restricted only for the very first port known in a segment.
253          */
254         /*
255          * Table(1) Rule #3
256          * ----------------
257          * Match:  Any remaining Ingress Local VM Packets
258          * Action: Drop w/ a low priority
259          * -------------------------------------------
260          * table=1,priority=8192,tun_id=0x5 actions=goto_table:2
261          */
262
263         handleTunnelMiss(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, true);
264
265         /*
266          * Table(2) Rule #3
267          * ----------------
268          * Match: Any Remaining Flows w/a TunID
269          * Action: Drop w/ a low priority
270          * table=2,priority=8192,tun_id=0x5 actions=drop
271          */
272
273         handleLocalTableMiss(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, true);
274     }
275
276     private void removeLocalBridgeRules(Node node, Long dpid, String segmentationId, String attachedMac, long localPort) {
277         /*
278          * Table(0) Rule #3
279          * ----------------
280          * Match: VM sMac and Local Ingress Port
281          * Action:Action: Set Tunnel ID and GOTO Local Table (5)
282          */
283
284         handleLocalInPort(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_1_ISOLATE_TENANT, segmentationId, localPort, attachedMac, false);
285
286         /*
287          * Table(0) Rule #4
288          * ----------------
289          * Match: Drop any remaining Ingress Local VM Packets
290          * Action: Drop w/ a low priority
291          */
292
293         handleDropSrcIface(dpid, localPort, false);
294
295         /*
296          * Table(2) Rule #1
297          * ----------------
298          * Match: Match TunID and Destination DL/dMAC Addr
299          * Action: Output Port
300          * table=2,tun_id=0x5,dl_dst=00:00:00:00:00:01 actions=output:2
301          */
302
303         handleLocalUcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, attachedMac, false);
304
305         /*
306          * Table(2) Rule #2
307          * ----------------
308          * Match: Tunnel ID and dMAC (::::FF:FF)
309          * table=2,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
310          * actions=output:2,3,4,5
311          */
312
313         handleLocalBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, false);
314         handleTunnelFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, false);
315     }
316
317     private void programLocalIngressTunnelBridgeRules(Node node, Long dpid, String segmentationId, String attachedMac, long tunnelOFPort, long localPort) {
318         /*
319          * Table(0) Rule #2
320          * ----------------
321          * Match: Ingress Port, Tunnel ID
322          * Action: GOTO Local Table (20)
323          */
324
325         handleTunnelIn(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, true);
326
327         /*
328          * Table(1) Rule #2
329          * ----------------
330          * Match: Match Tunnel ID and L2 ::::FF:FF Flooding
331          * Action: Flood to selected destination TEPs
332          * -------------------------------------------
333          * table=1,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
334          * actions=output:10,output:11,goto_table:2
335          */
336
337         handleTunnelFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, true);
338
339     }
340
341     private void programRemoteEgressTunnelBridgeRules(Node node, Long dpid, String segmentationId, String attachedMac, long tunnelOFPort, long localPort) {
342         /*
343          * Table(1) Rule #1
344          * ----------------
345          * Match: Drop any remaining Ingress Local VM Packets
346          * Action: Drop w/ a low priority
347          * -------------------------------------------
348          * table=1,tun_id=0x5,dl_dst=00:00:00:00:00:08 \
349          * actions=output:11,goto_table:2
350          */
351
352         handleTunnelOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, attachedMac, true);
353     }
354
355     private void removeRemoteEgressTunnelBridgeRules(Node node, Long dpid, String segmentationId, String attachedMac, long tunnelOFPort, long localPort) {
356         /*
357          * Table(1) Rule #1
358          * ----------------
359          * Match: Drop any remaining Ingress Local VM Packets
360          * Action: Drop w/ a low priority
361          * -------------------------------------------
362          * table=1,tun_id=0x5,dl_dst=00:00:00:00:00:08 \
363          * actions=output:11,goto_table:2
364          */
365
366         handleTunnelOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, attachedMac, false);
367     }
368
369     /* Remove tunnel rules if last node in this tenant network */
370     private void removePerTunnelRules(Node node, Long dpid, String segmentationId, long tunnelOFPort) {
371         /*
372          * TODO : Optimize the following 2 writes to be restricted only for the very first port known in a segment.
373          */
374         /*
375          * Table(1) Rule #3
376          * ----------------
377          * Match:  Any remaining Ingress Local VM Packets
378          * Action: Drop w/ a low priority
379          * -------------------------------------------
380          * table=1,priority=8192,tun_id=0x5 actions=goto_table:2
381          */
382
383         handleTunnelMiss(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, false);
384
385         /*
386          * Table(2) Rule #3
387          * ----------------
388          * Match: Any Remaining Flows w/a TunID
389          * Action: Drop w/ a low priority
390          * table=2,priority=8192,tun_id=0x5 actions=drop
391          */
392
393         handleLocalTableMiss(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, false);
394
395         /*
396          * Table(0) Rule #2
397          * ----------------
398          * Match: Ingress Port, Tunnel ID
399          * Action: GOTO Local Table (10)
400          */
401
402         handleTunnelIn(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, false);
403
404         /*
405          * Table(1) Rule #2
406          * ----------------
407          * Match: Match Tunnel ID and L2 ::::FF:FF Flooding
408          * Action: Flood to selected destination TEPs
409          * -------------------------------------------
410          * table=1,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
411          * actions=output:10,output:11,goto_table:2
412          */
413
414         handleTunnelFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, tunnelOFPort, false);
415     }
416
417     private void programLocalVlanRules(Node node, Long dpid, String segmentationId, String attachedMac, long localPort) {
418         /*
419          * Table(0) Rule #1
420          * ----------------
421          * Tag traffic coming from the local port and vm srcmac
422          * Match: VM sMac and Local Ingress Port
423          * Action: Set VLAN ID and GOTO Local Table 1
424          */
425
426         handleLocalInPortSetVlan(dpid, TABLE_0_DEFAULT_INGRESS,
427                 TABLE_1_ISOLATE_TENANT, segmentationId, localPort,
428                 attachedMac, true);
429
430         /*
431          * Table(0) Rule #3
432          * ----------------
433          * Drop all other traffic coming from the local port
434          * Match: Drop any remaining Ingress Local VM Packets
435          * Action: Drop w/ a low priority
436          */
437
438         handleDropSrcIface(dpid, localPort, true);
439
440         /*
441          * Table(2) Rule #1
442          * ----------------
443          * Forward unicast traffic destined to the local port after stripping tag
444          * Match: Match VLAN ID and Destination DL/dMAC Addr
445          * Action: strip vlan, output to local port
446          * Example: table=2,vlan_id=0x5,dl_dst=00:00:00:00:00:01 actions= strip vlan, output:2
447          */
448
449         handleLocalVlanUcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId,
450                 localPort, attachedMac, true);
451
452         /*
453          * Table(2) Rule #2
454          * ----------------
455          * Match: VLAN ID and dMAC (::::FF:FF)
456          * Action: strip vlan, output to all local ports in this vlan
457          * Example: table=2,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
458          * actions= strip_vlan, output:2,3,4,5
459          */
460
461         //handleLocalVlanBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId,
462         //        localPort, ethPort, true);
463         //handleVlanFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
464         //        segmentationId, localPort, ethport, true);
465
466         /*
467          * Table(2) Rule #3
468          * ----------------
469          * Match: Any Remaining Flows w/a VLAN ID
470          * Action: Drop w/ a low priority
471          * Example: table=2,priority=8192,vlan_id=0x5 actions=drop
472          */
473
474         //handleLocalVlanTableMiss(dpid, TABLE_2_LOCAL_FORWARD, segmentationId,
475         //        true);
476     }
477
478     private void removeLocalVlanRules(Node node, Long dpid,
479                                       String segmentationId, String attachedMac, long localPort) {
480         /*
481          * Table(0) Rule #1
482          * ----------------
483          * Match: VM sMac and Local Ingress Port
484          * Action: Set VLAN ID and GOTO Local Table 1
485          */
486
487         handleLocalInPortSetVlan(dpid, TABLE_0_DEFAULT_INGRESS,
488                 TABLE_1_ISOLATE_TENANT, segmentationId, localPort,
489                 attachedMac, false);
490
491         /*
492          * Table(0) Rule #3
493          * ----------------
494          * Match: Drop any remaining Ingress Local VM Packets
495          * Action: Drop w/ a low priority
496          */
497
498         handleDropSrcIface(dpid, localPort, false);
499
500         /*
501          * Table(2) Rule #1
502          * ----------------
503          * Match: Match VLAN ID and Destination DL/dMAC Addr
504          * Action: strip vlan, output to local port
505          * Example: table=2,vlan_id=0x5,dl_dst=00:00:00:00:00:01 actions= strip vlan, output:2
506          */
507
508         handleLocalVlanUcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId,
509                 localPort, attachedMac, false);
510
511         /*
512          * Table(2) Rule #2
513          * ----------------
514          * Match: VLAN ID and dMAC (::::FF:FF)
515          * Action: strip vlan, output to all local ports in this vlan
516          * Example: table=2,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
517          * actions= strip_vlan, output:2,3,4,5
518          */
519
520         //handleLocalVlanBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId,
521         //        localPort, ethPort, false);
522         //handleVlanFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
523         //        segmentationId, localPort, false);
524
525     }
526
527     private void programLocalIngressVlanRules(Node node, Long dpid, String segmentationId, String attachedMac,
528                                               long localPort, long ethPort) {
529         /*
530          * Table(0) Rule #2
531          * ----------------
532          * Match: Ingress port = physical interface, Vlan ID
533          * Action: GOTO Local Table 2
534          */
535
536         handleVlanIn(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_2_LOCAL_FORWARD,
537                 segmentationId, ethPort, true);
538
539         /*
540          * Table(1) Rule #2
541          * ----------------
542          * Match: Match VLAN ID and L2 ::::FF:FF Flooding
543          * Action: Flood to local and remote VLAN members
544          * -------------------------------------------
545          * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
546          * actions=output:10 (eth port),goto_table:2
547          * table=110, priority=16384,dl_vlan=2001,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:2,pop_vlan,output:1,output:3,output:4
548          */
549
550         handleLocalVlanBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, ethPort, true);
551
552         /*
553          * Table(1) Rule #2
554          * ----------------
555          * Match: Match VLAN ID and L2 ::::FF:FF Flooding
556          * Action: Flood to local and remote VLAN members
557          * -------------------------------------------
558          * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
559          * actions=output:10 (eth port),goto_table:2
560          */
561
562         //handleVlanFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
563         //        segmentationId, ethPort, true);
564     }
565
566     private void programRemoteEgressVlanRules(Node node, Long dpid, String segmentationId,
567                                               String attachedMac, long ethPort) {
568         /*
569          * Table(1) Rule #1
570          * ----------------
571          * Match: Destination MAC is local VM MAC and vlan id
572          * Action: go to table 2
573          * -------------------------------------------
574          * Example: table=1,vlan_id=0x5,dl_dst=00:00:00:00:00:08 \
575          * actions=goto_table:2
576          */
577
578         //handleVlanOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
579         //        segmentationId, ethPort, attachedMac, true);
580
581         /*
582          * Table(1) Rule #3
583          * ----------------
584          * Match:  VLAN ID
585          * Action: Go to table 2
586          * -------------------------------------------
587          * Example: table=1,priority=8192,vlan_id=0x5 actions=output:1,goto_table:2
588          * table=110,priority=8192,dl_vlan=2001 actions=output:2
589          */
590
591         handleVlanMiss(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, ethPort, true);
592     }
593
594     private void removeRemoteEgressVlanRules(Node node, Long dpid, String segmentationId,
595                                              String attachedMac, long localPort, long ethPort) {
596         /*
597          * Table(1) Rule #1
598          * ----------------
599          * Match: Destination MAC is local VM MAC and vlan id
600          * Action: go to table 2
601          * -------------------------------------------
602          * Example: table=1,vlan_id=0x5,dl_dst=00:00:00:00:00:08 \
603          * actions=goto_table:2
604          */
605
606         //handleVlanOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
607         //        segmentationId, ethPort, attachedMac, false);
608
609         /*
610          * Table(1) Rule #2
611          * ----------------
612          * Match: Match VLAN ID and L2 ::::FF:FF Flooding
613          * Action: Flood to local and remote VLAN members
614          * -------------------------------------------
615          * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
616          * actions=output:10 (eth port),goto_table:2
617          * table=110, priority=16384,dl_vlan=2001,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:2,pop_vlan,output:1,output:3,output:4
618          */
619
620         handleLocalVlanBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, ethPort, false);
621     }
622
623     private void removePerVlanRules(Node node, Long dpid, String segmentationId, long localPort, long ethPort) {
624         /*
625          * Table(2) Rule #3
626          * ----------------
627          * Match: Any Remaining Flows w/a VLAN ID
628          * Action: Drop w/ a low priority
629          * Example: table=2,priority=8192,vlan_id=0x5 actions=drop
630          */
631
632         //handleLocalVlanTableMiss(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, false);
633
634         /*
635          * Table(0) Rule #2
636          * ----------------
637          * Match: Ingress port = physical interface, Vlan ID
638          * Action: GOTO Local Table 2
639          */
640
641         handleVlanIn(dpid, TABLE_0_DEFAULT_INGRESS, TABLE_2_LOCAL_FORWARD, segmentationId, ethPort, false);
642
643         /*
644          * Table(1) Rule #2
645          * ----------------
646          * Match: Match VLAN ID and L2 ::::FF:FF Flooding
647          * Action: Flood to local and remote VLAN members
648          * -------------------------------------------
649          * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
650          * actions=output:10 (eth port),goto_table:2
651          * table=110, priority=16384,dl_vlan=2001,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:2,pop_vlan,output:1,output:3,output:4
652          */
653
654         //handleLocalVlanBcastOut(dpid, TABLE_2_LOCAL_FORWARD, segmentationId, localPort, ethPort, false);
655
656         /*
657          * Table(1) Rule #2
658          * ----------------
659          * Match: Match VLAN ID and L2 ::::FF:FF Flooding
660          * Action: Flood to local and remote VLAN members
661          * -------------------------------------------
662          * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
663          * actions=output:10 (eth port),goto_table:2
664          */
665
666         //handleVlanFloodOut(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD,
667         //        segmentationId, ethPort, false);
668
669         /*
670          * Table(1) Rule #3
671          * ----------------
672          * Match:  VLAN ID
673          * Action: Go to table 2
674          * -------------------------------------------
675          * Example: table=1,priority=8192,vlan_id=0x5 actions=output:1,goto_table:2
676          * table=110,priority=8192,dl_vlan=2001 actions=output:2
677          */
678
679         handleVlanMiss(dpid, TABLE_1_ISOLATE_TENANT, TABLE_2_LOCAL_FORWARD, segmentationId, ethPort, false);
680     }
681
682     private Long getDpid(Node node) {
683         Long dpid = 0L;
684         dpid = MdsalUtils.getDataPathId(node);
685         if (dpid == 0) {
686             logger.warn("getDpid: dpid not found: {}", node);
687         }
688         return dpid;
689     }
690
691     private Long getIntegrationBridgeOFDPID(Node node) {
692         Long dpid = 0L;
693         if (MdsalUtils.getBridgeName(node).equals(configurationService.getIntegrationBridgeName())) {
694             dpid = getDpid(node);
695         }
696         return dpid;
697     }
698
699     private Long getExternalBridgeDpid(Node node) {
700         Long dpid = 0L;
701         if (MdsalUtils.getBridgeName(node).equals(configurationService.getExternalBridgeName())) {
702             dpid = getDpid(node);
703         }
704         return dpid;
705     }
706
707     private void programLocalRules (String networkType, String segmentationId, Node node,
708                                     OvsdbTerminationPointAugmentation intf) {
709         logger.debug("programLocalRules: node: {}, intf: {}, networkType: {}, segmentationId: {}",
710                 node.getNodeId(), intf.getName(), networkType, segmentationId);
711         try {
712             Long dpid = getIntegrationBridgeOFDPID(node);
713             if (dpid == 0L) {
714                 logger.debug("programLocalRules: Openflow Datapath-ID not set for the integration bridge in {}",
715                         node);
716                 return;
717             }
718
719             long localPort = MdsalUtils.getOFPort(intf);
720             if (localPort == 0) {
721                 logger.info("programLocalRules: could not find ofPort");
722                 return;
723             }
724
725             String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
726             if (attachedMac == null) {
727                 logger.warn("No AttachedMac seen in {}", intf);
728                 return;
729             }
730
731             /* Program local rules based on network type */
732             if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) {
733                 logger.debug("Program local vlan rules for interface {}", intf.getName());
734                 programLocalVlanRules(node, dpid, segmentationId, attachedMac, localPort);
735             }
736             /* If the network type is tunnel based (VXLAN/GRRE/etc) with Neutron Port Security ACLs */
737             /* TODO SB_MIGRATION */
738             /*if ((networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) || networkType.equalsIgnoreCase
739                     (NetworkHandler.NETWORK_TYPE_VXLAN)) && securityServicesManager.isPortSecurityReady(intf)) {
740                 logger.debug("Neutron port has a Port Security Group");
741                 // Retrieve the security group UUID from the Neutron Port
742                 NeutronSecurityGroup securityGroupInPort = securityServicesManager.getSecurityGroupInPort(intf);
743                 logger.debug("Program Local rules for networkType: {} does contain a Port Security Group: {} " +
744                         "to be installed on DPID: {}", networkType, securityGroupInPort, dpid);
745                 ingressAclProvider.programPortSecurityACL(dpid, segmentationId, attachedMac, localPort,
746                         securityGroupInPort);
747                 egressAclProvider.programPortSecurityACL(dpid, segmentationId, attachedMac, localPort,
748                         securityGroupInPort);
749             }*/
750             if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
751                     networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN)) {
752                 logger.debug("Program local bridge rules for interface {}, "
753                         + "dpid: {}, segmentationId: {}, attachedMac: {}, localPort: {}",
754                         intf.getName(), dpid, segmentationId, attachedMac, localPort);
755                 programLocalBridgeRules(node, dpid, segmentationId, attachedMac, localPort);
756             }
757         } catch (Exception e) {
758             logger.error("Exception in programming Local Rules for "+intf+" on "+node, e);
759         }
760     }
761
762     private void removeLocalRules (String networkType, String segmentationId, Node node,
763                                    OvsdbTerminationPointAugmentation intf) {
764         logger.debug("removeLocalRules: node: {}, intf: {}, networkType: {}, segmentationId: {}",
765                 node.getNodeId(), intf.getName(), networkType, segmentationId);
766         try {
767             Long dpid = getIntegrationBridgeOFDPID(node);
768             if (dpid == 0L) {
769                 logger.debug("removeLocalRules: Openflow Datapath-ID not set for the integration bridge in {}", node);
770                 return;
771             }
772
773             long localPort = MdsalUtils.getOFPort(intf);
774             if (localPort == 0) {
775                 logger.info("removeLocalRules: could not find ofPort");
776                 return;
777             }
778
779             String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
780             if (attachedMac == null) {
781                 logger.warn("No AttachedMac seen in {}", intf);
782                 return;
783             }
784
785             /* Program local rules based on network type */
786             if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) {
787                 logger.debug("Remove local vlan rules for interface {}", intf.getName());
788                 removeLocalVlanRules(node, dpid, segmentationId, attachedMac, localPort);
789             } else if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
790                     networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN)) {
791                 logger.debug("Remove local bridge rules for interface {}", intf.getName());
792                 removeLocalBridgeRules(node, dpid, segmentationId, attachedMac, localPort);
793             }
794         } catch (Exception e) {
795             logger.error("Exception in removing Local Rules for "+intf+" on "+node, e);
796         }
797     }
798
799     // TODO SB_MIGRATION
800     // Need to handle case where a node comes online after a network and tunnels have
801     // already been created. The interface update is what triggers creating the l2 forwarding flows
802     // so we don't see those updates in this case - we only see the new nodes interface updates.
803     private void programTunnelRules (String tunnelType, String segmentationId, InetAddress dst, Node node,
804                                      OvsdbTerminationPointAugmentation intf, boolean local) {
805         logger.debug("programTunnelRules: node: {}, intf: {}, local: {}, tunnelType: {}, "
806                 + "segmentationId: {}, dstAddr: {}",
807                 node.getNodeId(), intf.getName(), local, tunnelType, segmentationId, dst);
808         try {
809             Long dpid = getIntegrationBridgeOFDPID(node);
810             if (dpid == 0L) {
811                 logger.debug("programTunnelRules: Openflow Datapath-ID not set for the integration bridge in {}", node);
812                 return;
813             }
814
815             long localPort = MdsalUtils.getOFPort(intf);
816             if (localPort == 0) {
817                 logger.info("programTunnelRules: could not find ofPort");
818                 return;
819             }
820
821             String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
822             if (attachedMac == null) {
823                 logger.warn("programTunnelRules: No AttachedMac seen in {}", intf);
824                 return;
825             }
826
827             List<OvsdbTerminationPointAugmentation> intfs = MdsalUtils.getTerminationPointsOfBridge(node);
828             for (OvsdbTerminationPointAugmentation tunIntf : intfs) {
829                 if (tunIntf.getName().equals(getTunnelName(tunnelType, dst))) {
830                     long tunnelOFPort = MdsalUtils.getOFPort(tunIntf);
831                     if (tunnelOFPort == 0) {
832                         logger.error("programTunnelRules: Could not Identify Tunnel port {} -> OF ({}) on {}",
833                                 tunIntf.getName(), tunnelOFPort, node);
834                         return;
835                     }
836                     logger.debug("programTunnelRules: Identified Tunnel port {} -> OF ({}) on {}",
837                             tunIntf.getName(), tunnelOFPort, node);
838
839                     if (!local) {
840                         logger.trace("programTunnelRules: program remote egress tunnel rules: node {}, intf {}",
841                             node.getNodeId().getValue(), intf.getName());
842                         programRemoteEgressTunnelBridgeRules(node, dpid, segmentationId, attachedMac,
843                                 tunnelOFPort, localPort);
844                     }
845
846                     if (local) {
847                         logger.trace("programTunnelRules: program local ingress tunnel rules: node {}, intf {}",
848                                 node.getNodeId().getValue(), intf.getName());
849                         programLocalIngressTunnelBridgeRules(node, dpid, segmentationId, attachedMac,
850                                 tunnelOFPort, localPort);
851                     }
852                     return;
853                 }
854             }
855         } catch (Exception e) {
856             logger.error("", e);
857         }
858     }
859
860     private void removeTunnelRules (String tunnelType, String segmentationId, InetAddress dst, Node node,
861                                     OvsdbTerminationPointAugmentation intf,
862                                     boolean local, boolean isLastInstanceOnNode) {
863         logger.debug("removeTunnelRules: node: {}, intf: {}, local: {}, tunnelType: {}, "
864                         + "segmentationId: {}, dstAddr: {}, isLastinstanceOnNode: {}",
865                 node.getNodeId(), intf.getName(), local, tunnelType, segmentationId, dst, isLastInstanceOnNode);
866         try {
867             Long dpid = getIntegrationBridgeOFDPID(node);
868             if (dpid == 0L) {
869                 logger.debug("removeTunnelRules: Openflow Datapath-ID not set for the integration bridge in {}", node);
870                 return;
871             }
872
873             long localPort = MdsalUtils.getOFPort(intf);
874             if (localPort == 0) {
875                 logger.info("removeTunnelRules: could not find ofPort");
876                 return;
877             }
878
879             String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
880             if (attachedMac == null) {
881                 logger.error("removeTunnelRules: No AttachedMac seen in {}", intf);
882                 return;
883             }
884
885             List<OvsdbTerminationPointAugmentation> intfs = MdsalUtils.getTerminationPointsOfBridge(node);
886             for (OvsdbTerminationPointAugmentation tunIntf : intfs) {
887                 if (tunIntf.getName().equals(getTunnelName(tunnelType, dst))) {
888                     long tunnelOFPort = MdsalUtils.getOFPort(tunIntf);
889                     if (tunnelOFPort == -1) {
890                         logger.error("Could not Identify Tunnel port {} -> OF ({}) on {}",
891                                 tunIntf.getName(), tunnelOFPort, node);
892                         return;
893                     }
894                     logger.debug("Identified Tunnel port {} -> OF ({}) on {}",
895                             tunIntf.getName(), tunnelOFPort, node);
896
897                     if (!local) {
898                         removeRemoteEgressTunnelBridgeRules(node, dpid, segmentationId, attachedMac,
899                                 tunnelOFPort, localPort);
900                     }
901                     if (local && isLastInstanceOnNode) {
902                         removePerTunnelRules(node, dpid, segmentationId, tunnelOFPort);
903                     }
904                     return;
905                 }
906             }
907         } catch (Exception e) {
908             logger.error("", e);
909         }
910     }
911
912     private void programVlanRules (NeutronNetwork network, Node node, OvsdbTerminationPointAugmentation intf) {
913         logger.debug("programVlanRules: node: {}, network: {}, intf: {}",
914                 node.getNodeId(), network.getNetworkUUID(), intf.getName());
915         Long dpid = getIntegrationBridgeOFDPID(node);
916         if (dpid == 0L) {
917             logger.debug("programVlanRules: Openflow Datapath-ID not set for the integration bridge in {}", node);
918             return;
919         }
920
921         long localPort = MdsalUtils.getOFPort(intf);
922         if (localPort == 0) {
923             logger.info("programVlanRules: could not find ofPort");
924             return;
925         }
926
927         String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
928         if (attachedMac == null) {
929             logger.error("programVlanRules: No AttachedMac seen in {}", intf);
930             return;
931         }
932
933         String phyIfName =
934                 bridgeConfigurationManager.getPhysicalInterfaceName(node, network.getProviderPhysicalNetwork());
935         List<OvsdbTerminationPointAugmentation> intfs = MdsalUtils.getTerminationPointsOfBridge(node);
936         for (OvsdbTerminationPointAugmentation ethIntf : intfs) {
937             if (ethIntf.getName().equals(phyIfName)) {
938                 long ethOFPort = MdsalUtils.getOFPort(ethIntf);
939                 if (ethOFPort == 0) {
940                     logger.warn("programVlanRules: could not find ofPort for physical port");
941                     return;
942                 }
943                 logger.debug("Identified eth port {} -> OF ({}) on {}",
944                         ethIntf.getName(), ethOFPort, node);
945                 // TODO: add logic to only add rule on remote nodes
946                 programRemoteEgressVlanRules(node, dpid, network.getProviderSegmentationID(),
947                         attachedMac, ethOFPort);
948                 programLocalIngressVlanRules(node, dpid, network.getProviderSegmentationID(),
949                         attachedMac, localPort, ethOFPort);
950                 return;
951             } else {
952                 logger.debug("programVlanRules: intf {} does not match phyIfName: {}",
953                         ethIntf.getName(), phyIfName);
954             }
955         }
956     }
957
958     private void removeVlanRules (NeutronNetwork network, Node node, OvsdbTerminationPointAugmentation intf,
959                                   boolean isLastInstanceOnNode) {
960         logger.debug("removeVlanRules: node: {}, network: {}, intf: {}, isLastInstanceOnNode",
961                 node.getNodeId(), network.getNetworkUUID(), intf.getName(), isLastInstanceOnNode);
962         Long dpid = getIntegrationBridgeOFDPID(node);
963         if (dpid == 0L) {
964             logger.debug("removeVlanRules: Openflow Datapath-ID not set for the integration bridge in {}", node);
965             return;
966         }
967
968         long localPort = MdsalUtils.getOFPort(intf);
969         if (localPort == 0) {
970             logger.info("removeVlanRules: programVlanRules: could not find ofPort");
971             return;
972         }
973
974         String attachedMac = MdsalUtils.getInterfaceExternalIdsValue(intf, Constants.EXTERNAL_ID_VM_MAC);
975         if (attachedMac == null) {
976             logger.error("removeVlanRules: No AttachedMac seen in {}", intf);
977             return;
978         }
979
980         List<OvsdbTerminationPointAugmentation> intfs = MdsalUtils.getTerminationPointsOfBridge(node);
981         for (OvsdbTerminationPointAugmentation ethIntf : intfs) {
982             if (ethIntf.getName().equalsIgnoreCase(bridgeConfigurationManager.getPhysicalInterfaceName(
983                     node, network.getProviderPhysicalNetwork()))) {
984                 long ethOFPort = MdsalUtils.getOFPort(ethIntf);
985                 if (ethOFPort == 0) {
986                     logger.info("removeVlanRules: programVlanRules: could not find ofPort");
987                     return;
988                 }
989                 logger.debug("removeVlanRules: Identified eth port {} -> OF ({}) on {}",
990                         ethIntf.getName(), ethOFPort, node);
991                 removeRemoteEgressVlanRules(node, dpid, network.getProviderSegmentationID(),
992                         attachedMac, localPort, ethOFPort);
993                 if (isLastInstanceOnNode) {
994                     removePerVlanRules(node, dpid, network.getProviderSegmentationID(), localPort, ethOFPort);
995                 }
996                 return;
997             }
998         }
999     }
1000 /*
1001     private removeNode(List<Node> nodes, Node node) {
1002         OvsdbBridgeAugmentation bridgeAugmentation = extractBridgeAugmentation(bridgeNode);
1003         if(bridgeAugmentation != null){
1004             InstanceIdentifier<Node> ovsdbNodeIid = (InstanceIdentifier<Node>) bridgeAugmentation.getManagedBy().getValue();
1005     }
1006 */
1007     @Override
1008     public boolean handleInterfaceUpdate(NeutronNetwork network, Node srcNode,
1009                                          OvsdbTerminationPointAugmentation intf) {
1010         Preconditions.checkNotNull(nodeCacheManager);
1011         Map<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId,Node> nodes =
1012                 nodeCacheManager.getOvsdbNodes();
1013         nodes.remove(MdsalUtils.extractBridgeOvsdbNodeId(srcNode));
1014         String networkType = network.getProviderNetworkType();
1015         String segmentationId = network.getProviderSegmentationID();
1016         Node srcBridgeNode = MdsalUtils.getBridgeNode(srcNode,configurationService.getIntegrationBridgeName());
1017         programLocalRules(networkType, network.getProviderSegmentationID(), srcBridgeNode, intf);
1018
1019         if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) {
1020             programVlanRules(network, srcNode, intf);
1021         } else if (networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE)
1022                 || networkType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN)){
1023             for (Node dstNode : nodes.values()) {
1024                 InetAddress src = configurationService.getTunnelEndPoint(srcNode);
1025                 InetAddress dst = configurationService.getTunnelEndPoint(dstNode);
1026                 if ((src != null) && (dst != null)) {
1027                     Node dstBridgeNode = MdsalUtils.getBridgeNode(dstNode,
1028                             configurationService.getIntegrationBridgeName());
1029                     if (addTunnelPort(srcBridgeNode, networkType, src, dst)) {
1030                         programTunnelRules(networkType, segmentationId, dst, srcBridgeNode, intf, true);
1031                     }
1032                     if (addTunnelPort(dstBridgeNode, networkType, dst, src)) {
1033                         programTunnelRules(networkType, segmentationId, src, dstBridgeNode, intf, false);
1034                     }
1035                 } else {
1036                     logger.warn("Tunnel end-point configuration missing. Please configure it in OpenVSwitch Table. "
1037                                     + "Check source {} or destination {}",
1038                             src != null ? src.getHostAddress() : "null",
1039                             dst != null ? dst.getHostAddress() : "null");
1040                 }
1041             }
1042         }
1043
1044         return true;
1045     }
1046
1047     private void triggerInterfaceUpdates(Node node) {
1048         logger.warn("enter triggerInterfaceUpdates for {}", node.getNodeId());
1049         List<OvsdbTerminationPointAugmentation> ports = MdsalUtils.extractTerminationPointAugmentations(node);
1050         if (ports != null && !ports.isEmpty()) {
1051             for (OvsdbTerminationPointAugmentation port : ports) {
1052                 NeutronNetwork neutronNetwork = tenantNetworkManager.getTenantNetwork(port);
1053                 if (neutronNetwork != null) {
1054                     logger.warn("Trigger Interface update for {}", port);
1055                     handleInterfaceUpdate(neutronNetwork, node, port);
1056                 }
1057             }
1058         /*
1059         List<TerminationPoint> tps = MdsalUtils.extractTerminationPoints(node);
1060         if (tps != null) {
1061             for (TerminationPoint tp : tps) {
1062                 OvsdbTerminationPointAugmentation port = tp.getAugmentation(OvsdbTerminationPointAugmentation.class);
1063                 if (port != null) {
1064                     NeutronNetwork neutronNetwork = tenantNetworkManager.getTenantNetwork(port);
1065                     if (neutronNetwork != null) {
1066                         logger.warn("Trigger Interface update for {}", port);
1067                         handleInterfaceUpdate(neutronNetwork, node, port);
1068                     }
1069                 }
1070             }
1071             */
1072         } else {
1073             logger.warn("triggerInterfaceUpdates: tps are null");
1074         }
1075         logger.warn("exit triggerInterfaceUpdates for {}", node.getNodeId());
1076     }
1077
1078     @Override
1079     public boolean handleInterfaceDelete(String tunnelType, NeutronNetwork network, Node srcNode,
1080                                          OvsdbTerminationPointAugmentation intf, boolean isLastInstanceOnNode) {
1081         Map<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId,Node> nodes =
1082                 nodeCacheManager.getOvsdbNodes();
1083         nodes.remove(MdsalUtils.extractBridgeOvsdbNodeId(srcNode));
1084
1085         logger.info("Delete intf " + intf.getName() + " isLastInstanceOnNode " + isLastInstanceOnNode);
1086         List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(srcNode);
1087         if (MdsalUtils.isTunnel(intf)) {
1088             // Delete tunnel port
1089             try {
1090                 InetAddress src = InetAddress.getByName(
1091                         MdsalUtils.getOptionsValue(intf.getOptions(), "local_ip"));
1092                 InetAddress dst = InetAddress.getByName(
1093                         MdsalUtils.getOptionsValue(intf.getOptions(), "remote_ip"));
1094                 deleteTunnelPort(srcNode,
1095                         MdsalHelper.createOvsdbInterfaceType(intf.getInterfaceType()),
1096                         src, dst);
1097             } catch (Exception e) {
1098                 logger.error(e.getMessage(), e);
1099             }
1100         } else if (phyIfName.contains(intf.getName())) {
1101             deletePhysicalPort(srcNode, intf.getName());
1102         } else {
1103             // delete all other interfaces
1104             removeLocalRules(network.getProviderNetworkType(), network.getProviderSegmentationID(),
1105                     srcNode, intf);
1106
1107             if (network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) {
1108                 removeVlanRules(network, srcNode, intf, isLastInstanceOnNode);
1109             } else if (network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE)
1110                     || network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN)) {
1111
1112                 for (Node dstNode : nodes.values()) {
1113                     InetAddress src = configurationService.getTunnelEndPoint(srcNode);
1114                     InetAddress dst = configurationService.getTunnelEndPoint(dstNode);
1115                     if ((src != null) && (dst != null)) {
1116                         logger.info("Remove tunnel rules for interface "
1117                                 + intf.getName() + " on srcNode " + srcNode.getNodeId().getValue());
1118                         removeTunnelRules(tunnelType, network.getProviderSegmentationID(),
1119                                 dst, srcNode, intf, true, isLastInstanceOnNode);
1120                         logger.info("Remove tunnel rules for interface "
1121                                 + intf.getName() + " on dstNode " + dstNode.getNodeId().getValue());
1122                         removeTunnelRules(tunnelType, network.getProviderSegmentationID(),
1123                                 src, dstNode, intf, false, isLastInstanceOnNode);
1124                     } else {
1125                         logger.warn("Tunnel end-point configuration missing. Please configure it in "
1126                                 + "OpenVSwitch Table. "
1127                                 + "Check source {} or destination {}",
1128                                 src != null ? src.getHostAddress() : "null",
1129                                 dst != null ? dst.getHostAddress() : "null");
1130                     }
1131                 }
1132             }
1133         }
1134         return true;
1135     }
1136
1137     @Override
1138     public void initializeFlowRules(Node node) {
1139         initializeFlowRules(node, configurationService.getIntegrationBridgeName());
1140         initializeFlowRules(node, configurationService.getExternalBridgeName());
1141         triggerInterfaceUpdates(node);
1142     }
1143
1144     private void initializeFlowRules(Node node, String bridgeName) {
1145         Long dpid = MdsalUtils.getDataPathId(node);
1146         String datapathId = MdsalUtils.getDatapathId(node);
1147         logger.info("initializeFlowRules: bridgeName: {}, dpid: {} - {}",
1148                 bridgeName, dpid, datapathId);
1149
1150         if (dpid == 0L) {
1151             logger.debug("Openflow Datapath-ID not set for the integration bridge in {}", node);
1152             return;
1153         }
1154
1155         /*
1156          * Table(0) Rule #1
1157          * ----------------
1158          * Match: LLDP (0x88CCL)
1159          * Action: Packet_In to Controller Reserved Port
1160          */
1161
1162         writeLLDPRule(dpid);
1163
1164         if (bridgeName.equals(configurationService.getExternalBridgeName())) {
1165             writeNormalRule(dpid);
1166         }
1167     }
1168
1169     /*
1170      * Create an LLDP Flow Rule to encapsulate into
1171      * a packet_in that is sent to the controller
1172      * for topology handling.
1173      * Match: Ethertype 0x88CCL
1174      * Action: Punt to Controller in a Packet_In msg
1175      */
1176
1177     private void writeLLDPRule(Long dpidLong) {
1178         classifierProvider.programLLDPPuntRule(dpidLong);
1179     }
1180
1181     /*
1182      * Create a NORMAL Table Miss Flow Rule
1183      * Match: any
1184      * Action: forward to NORMAL pipeline
1185      */
1186
1187     private void writeNormalRule(Long dpidLong) {
1188
1189         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
1190
1191         MatchBuilder matchBuilder = new MatchBuilder();
1192         NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
1193         FlowBuilder flowBuilder = new FlowBuilder();
1194
1195         // Create the OF Actions and Instructions
1196         InstructionBuilder ib = new InstructionBuilder();
1197         InstructionsBuilder isb = new InstructionsBuilder();
1198
1199         // Instructions List Stores Individual Instructions
1200         List<Instruction> instructions = Lists.newArrayList();
1201
1202         // Call the InstructionBuilder Methods Containing Actions
1203         InstructionUtils.createNormalInstructions(nodeName, ib);
1204         ib.setOrder(0);
1205         ib.setKey(new InstructionKey(0));
1206         instructions.add(ib.build());
1207
1208         // Add InstructionBuilder to the Instruction(s)Builder List
1209         isb.setInstruction(instructions);
1210
1211         // Add InstructionsBuilder to FlowBuilder
1212         flowBuilder.setInstructions(isb.build());
1213
1214         String flowId = "NORMAL";
1215         flowBuilder.setId(new FlowId(flowId));
1216         FlowKey key = new FlowKey(new FlowId(flowId));
1217         flowBuilder.setMatch(matchBuilder.build());
1218         flowBuilder.setPriority(0);
1219         flowBuilder.setBarrier(true);
1220         flowBuilder.setTableId((short) 0);
1221         flowBuilder.setKey(key);
1222         flowBuilder.setFlowName(flowId);
1223         flowBuilder.setHardTimeout(0);
1224         flowBuilder.setIdleTimeout(0);
1225         writeFlow(flowBuilder, nodeBuilder);
1226     }
1227
1228     /*
1229      * (Table:0) Ingress Tunnel Traffic
1230      * Match: OpenFlow InPort and Tunnel ID
1231      * Action: GOTO Local Table (10)
1232      * table=0,tun_id=0x5,in_port=10, actions=goto_table:2
1233      */
1234
1235     private void handleTunnelIn(Long dpidLong, Short writeTable,
1236             Short goToTableId, String segmentationId,
1237             Long ofPort, boolean write) {
1238         classifierProvider.programTunnelIn(dpidLong, segmentationId, ofPort, write);
1239     }
1240
1241     /*
1242      * (Table:0) Ingress VLAN Traffic
1243      * Match: OpenFlow InPort and vlan ID
1244      * Action: GOTO Local Table (20)
1245      * table=0,vlan_id=0x5,in_port=10, actions=goto_table:2
1246      */
1247
1248     private void handleVlanIn(Long dpidLong, Short writeTable, Short goToTableId,
1249             String segmentationId,  Long ethPort, boolean write) {
1250         classifierProvider.programVlanIn(dpidLong, segmentationId, ethPort, write);
1251     }
1252
1253     /*
1254      * (Table:0) Egress VM Traffic Towards TEP
1255      * Match: Destination Ethernet Addr and OpenFlow InPort
1256      * Instruction: Set TunnelID and GOTO Table Tunnel Table (n)
1257      * table=0,in_port=2,dl_src=00:00:00:00:00:01 \
1258      * actions=set_field:5->tun_id,goto_table=1"
1259      */
1260
1261     private void handleLocalInPort(Long dpidLong, Short writeTable, Short goToTableId,
1262             String segmentationId, Long inPort, String attachedMac,
1263             boolean write) {
1264         classifierProvider.programLocalInPort(dpidLong, segmentationId, inPort, attachedMac, write);
1265     }
1266
1267     /*
1268      * (Table:0) Egress VM Traffic Towards TEP
1269      * Match: Source Ethernet Addr and OpenFlow InPort
1270      * Instruction: Set VLANID and GOTO Table Egress (n)
1271      * table=0,in_port=2,dl_src=00:00:00:00:00:01 \
1272      * actions=push_vlan, set_field:5->vlan_id,goto_table=1"
1273      */
1274
1275     private void handleLocalInPortSetVlan(Long dpidLong, Short writeTable,
1276             Short goToTableId, String segmentationId,
1277             Long inPort, String attachedMac,
1278             boolean write) {
1279         classifierProvider.programLocalInPortSetVlan(dpidLong, segmentationId, inPort, attachedMac, write);
1280     }
1281
1282     /*
1283      * (Table:0) Drop frames source from a VM that do not
1284      * match the associated MAC address of the local VM.
1285      * Match: Low priority anything not matching the VM SMAC
1286      * Instruction: Drop
1287      * table=0,priority=16384,in_port=1 actions=drop"
1288      */
1289
1290     private void handleDropSrcIface(Long dpidLong, Long inPort, boolean write) {
1291         classifierProvider.programDropSrcIface(dpidLong, inPort, write);
1292     }
1293
1294     /*
1295      * (Table:1) Egress Tunnel Traffic
1296      * Match: Destination Ethernet Addr and Local InPort
1297      * Instruction: Set TunnelID and GOTO Table Tunnel Table (n)
1298      * table=1,tun_id=0x5,dl_dst=00:00:00:00:00:08 \
1299      * actions=output:10,goto_table:2"
1300      */
1301     private void handleTunnelOut(Long dpidLong, Short writeTable,
1302             Short goToTableId, String segmentationId,
1303             Long OFPortOut, String attachedMac,
1304             boolean write) {
1305         l2ForwardingProvider.programTunnelOut(dpidLong, segmentationId, OFPortOut, attachedMac, write);
1306     }
1307
1308     /*
1309      * (Table:1) Egress VLAN Traffic
1310      * Match: Destination Ethernet Addr and VLAN id
1311      * Instruction: GOTO Table Table 2
1312      * table=1,vlan_id=0x5,dl_dst=00:00:00:00:00:08 \
1313      * actions= goto_table:2"
1314      */
1315
1316     private void handleVlanOut(Long dpidLong, Short writeTable,
1317             Short goToTableId, String segmentationId,
1318             Long ethPort, String attachedMac, boolean write) {
1319         l2ForwardingProvider.programVlanOut(dpidLong, segmentationId, ethPort, attachedMac, write);
1320     }
1321
1322     /*
1323      * (Table:1) Egress Tunnel Traffic
1324      * Match: Destination Ethernet Addr and Local InPort
1325      * Instruction: Set TunnelID and GOTO Table Tunnel Table (n)
1326      * table=1,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
1327      * actions=output:10,output:11,goto_table:2
1328      */
1329
1330     private void handleTunnelFloodOut(Long dpidLong, Short writeTable,
1331             Short localTable, String segmentationId,
1332             Long OFPortOut, boolean write) {
1333         l2ForwardingProvider.programTunnelFloodOut(dpidLong, segmentationId, OFPortOut, write);
1334     }
1335
1336     /*
1337      * (Table:1) Egress VLAN Traffic
1338      * Match: Destination Ethernet Addr and VLAN id
1339      * Instruction: GOTO table 2 and Output port eth interface
1340      * Example: table=1,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
1341      * actions=output:eth1,goto_table:2
1342      */
1343
1344     private void handleVlanFloodOut(Long dpidLong, Short writeTable,
1345             Short localTable, String segmentationId,
1346             Long localPort, Long ethPort, boolean write) {
1347         //l2ForwardingProvider.programVlanFloodOut(dpidLong, segmentationId, localPort, ethPort, write);
1348     }
1349
1350     /*
1351      * (Table:1) Table Drain w/ Catch All
1352      * Match: Tunnel ID
1353      * Action: GOTO Local Table (10)
1354      * table=2,priority=8192,tun_id=0x5 actions=drop
1355      */
1356
1357     private void handleTunnelMiss(Long dpidLong, Short writeTable,
1358             Short goToTableId, String segmentationId,
1359             boolean write) {
1360         l2ForwardingProvider.programTunnelMiss(dpidLong, segmentationId, write);
1361     }
1362
1363
1364     /*
1365      * (Table:1) Table Drain w/ Catch All
1366      * Match: Vlan ID
1367      * Action: Output port eth interface
1368      * table=1,priority=8192,vlan_id=0x5 actions= output port:eth1
1369      * table=110,priority=8192,dl_vlan=2001 actions=output:2
1370      */
1371
1372     private void handleVlanMiss(Long dpidLong, Short writeTable,
1373             Short goToTableId, String segmentationId,
1374             Long ethPort, boolean write) {
1375         l2ForwardingProvider.programVlanMiss(dpidLong, segmentationId, ethPort, write);
1376     }
1377
1378     /*
1379      * (Table:1) Local Broadcast Flood
1380      * Match: Tunnel ID and dMAC
1381      * Action: Output Port
1382      * table=2,tun_id=0x5,dl_dst=00:00:00:00:00:01 actions=output:2
1383      */
1384
1385     private void handleLocalUcastOut(Long dpidLong, Short writeTable,
1386             String segmentationId, Long localPort,
1387             String attachedMac, boolean write) {
1388         l2ForwardingProvider.programLocalUcastOut(dpidLong, segmentationId, localPort, attachedMac, write);
1389     }
1390
1391     /*
1392      * (Table:2) Local VLAN unicast
1393      * Match: VLAN ID and dMAC
1394      * Action: Output Port
1395      * table=2,vlan_id=0x5,dl_dst=00:00:00:00:00:01 actions=output:2
1396      */
1397
1398     private void handleLocalVlanUcastOut(Long dpidLong, Short writeTable,
1399             String segmentationId, Long localPort,
1400             String attachedMac, boolean write) {
1401         l2ForwardingProvider.programLocalVlanUcastOut(dpidLong, segmentationId, localPort, attachedMac, write);
1402     }
1403
1404     /*
1405      * (Table:2) Local Broadcast Flood
1406      * Match: Tunnel ID and dMAC (::::FF:FF)
1407      * table=2,priority=16384,tun_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
1408      * actions=output:2,3,4,5
1409      */
1410
1411     private void handleLocalBcastOut(Long dpidLong, Short writeTable,
1412             String segmentationId, Long localPort,
1413             boolean write) {
1414         l2ForwardingProvider.programLocalBcastOut(dpidLong, segmentationId, localPort, write);
1415     }
1416
1417     /*
1418      * (Table:2) Local VLAN Broadcast Flood
1419      * Match: vlan ID and dMAC (::::FF:FF)
1420      * table=2,priority=16384,vlan_id=0x5,dl_dst=ff:ff:ff:ff:ff:ff \
1421      * actions=strip_vlan, output:2,3,4,5
1422      * table=110,dl_vlan=2001,dl_dst=01:00:00:00:00:00/01:00:00:00:00:00 actions=output:2,pop_vlan,output:1,output:3,output:4
1423      */
1424
1425     private void handleLocalVlanBcastOut(Long dpidLong, Short writeTable, String segmentationId,
1426                                          Long localPort, Long ethPort, boolean write) {
1427         l2ForwardingProvider.programLocalVlanBcastOut(dpidLong, segmentationId, localPort, ethPort, write);
1428     }
1429
1430     /*
1431      * (Table:1) Local Table Miss
1432      * Match: Any Remaining Flows w/a TunID
1433      * Action: Drop w/ a low priority
1434      * table=2,priority=8192,tun_id=0x5 actions=drop
1435      */
1436
1437     private void handleLocalTableMiss(Long dpidLong, Short writeTable,
1438             String segmentationId, boolean write) {
1439         l2ForwardingProvider.programLocalTableMiss(dpidLong, segmentationId, write);
1440     }
1441
1442     /*
1443      * (Table:1) Local Table Miss
1444      * Match: Any Remaining Flows w/a VLAN ID
1445      * Action: Drop w/ a low priority
1446      * table=2,priority=8192,vlan_id=0x5 actions=drop
1447      */
1448
1449     private void handleLocalVlanTableMiss(Long dpidLong, Short writeTable,
1450             String segmentationId, boolean write) {
1451         l2ForwardingProvider.programLocalVlanTableMiss(dpidLong, segmentationId, write);
1452     }
1453
1454     private Group getGroup(GroupBuilder groupBuilder, NodeBuilder nodeBuilder) {
1455         Preconditions.checkNotNull(mdsalConsumer);
1456         if (mdsalConsumer == null) {
1457             logger.error("ERROR finding MDSAL Service. Its possible that writeFlow is called too soon ?");
1458             return null;
1459         }
1460
1461         dataBroker = mdsalConsumer.getDataBroker();
1462         if (dataBroker == null) {
1463             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1464             return null;
1465         }
1466
1467         InstanceIdentifier<Group> path1 = InstanceIdentifier.builder(Nodes.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1468                 .rev130819.nodes.Node.class, nodeBuilder.getKey()).augmentation(FlowCapableNode.class).child(Group.class,
1469                         new GroupKey(groupBuilder.getGroupId())).build();
1470         ReadOnlyTransaction readTx = dataBroker.newReadOnlyTransaction();
1471         try {
1472             Optional<Group> data = readTx.read(LogicalDatastoreType.CONFIGURATION, path1).get();
1473             if (data.isPresent()) {
1474                 return data.get();
1475             }
1476         } catch (InterruptedException|ExecutionException e) {
1477             logger.error(e.getMessage(), e);
1478         }
1479
1480         logger.debug("Cannot find data for Group " + groupBuilder.getGroupName());
1481         return null;
1482     }
1483
1484     private void writeGroup(GroupBuilder groupBuilder, NodeBuilder nodeBuilder) {
1485         Preconditions.checkNotNull(mdsalConsumer);
1486         if (mdsalConsumer == null) {
1487             logger.error("ERROR finding MDSAL Service. Its possible that writeFlow is called too soon ?");
1488             return;
1489         }
1490
1491         dataBroker = mdsalConsumer.getDataBroker();
1492         if (dataBroker == null) {
1493             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1494             return;
1495         }
1496
1497         ReadWriteTransaction modification = dataBroker.newReadWriteTransaction();
1498         InstanceIdentifier<Group> path1 = InstanceIdentifier.builder(Nodes.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1499                 .rev130819.nodes.Node.class, nodeBuilder.getKey()).augmentation(FlowCapableNode.class).child(Group.class,
1500                         new GroupKey(groupBuilder.getGroupId())).build();
1501         modification.put(LogicalDatastoreType.CONFIGURATION, path1, groupBuilder.build(), true /*createMissingParents*/);
1502
1503         CheckedFuture<Void, TransactionCommitFailedException> commitFuture = modification.submit();
1504         try {
1505             commitFuture.get();  // TODO: Make it async (See bug 1362)
1506             logger.debug("Transaction success for write of Group "+groupBuilder.getGroupName());
1507         } catch (InterruptedException|ExecutionException e) {
1508             logger.error(e.getMessage(), e);
1509         }
1510     }
1511
1512     private void removeGroup(GroupBuilder groupBuilder, NodeBuilder nodeBuilder) {
1513         Preconditions.checkNotNull(mdsalConsumer);
1514         if (mdsalConsumer == null) {
1515             logger.error("ERROR finding MDSAL Service. Its possible that writeFlow is called too soon ?");
1516             return;
1517         }
1518
1519         dataBroker = mdsalConsumer.getDataBroker();
1520         if (dataBroker == null) {
1521             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1522             return;
1523         }
1524
1525         WriteTransaction modification = dataBroker.newWriteOnlyTransaction();
1526         InstanceIdentifier<Group> path1 = InstanceIdentifier.builder(Nodes.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1527                 .rev130819.nodes.Node.class, nodeBuilder.getKey()).augmentation(FlowCapableNode.class).child(Group.class,
1528                         new GroupKey(groupBuilder.getGroupId())).build();
1529         modification.delete(LogicalDatastoreType.CONFIGURATION, path1);
1530         CheckedFuture<Void, TransactionCommitFailedException> commitFuture = modification.submit();
1531
1532         try {
1533             commitFuture.get();  // TODO: Make it async (See bug 1362)
1534             logger.debug("Transaction success for deletion of Group "+groupBuilder.getGroupName());
1535         } catch (InterruptedException|ExecutionException e) {
1536             logger.error(e.getMessage(), e);
1537         }
1538     }
1539
1540     private Flow getFlow(FlowBuilder flowBuilder, NodeBuilder nodeBuilder) {
1541         Preconditions.checkNotNull(mdsalConsumer);
1542         if (mdsalConsumer == null) {
1543             logger.error("ERROR finding MDSAL Service. Its possible that writeFlow is called too soon ?");
1544             return null;
1545         }
1546
1547         dataBroker = mdsalConsumer.getDataBroker();
1548         if (dataBroker == null) {
1549             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1550             return null;
1551         }
1552
1553         InstanceIdentifier<Flow> path1 = InstanceIdentifier.builder(Nodes.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1554                 .rev130819.nodes.Node.class, nodeBuilder.getKey()).augmentation(FlowCapableNode.class).child(Table.class,
1555                         new TableKey(flowBuilder.getTableId())).child(Flow.class, flowBuilder.getKey()).build();
1556
1557         ReadOnlyTransaction readTx = dataBroker.newReadOnlyTransaction();
1558         try {
1559             Optional<Flow> data = readTx.read(LogicalDatastoreType.CONFIGURATION, path1).get();
1560             if (data.isPresent()) {
1561                 return data.get();
1562             }
1563         } catch (InterruptedException|ExecutionException e) {
1564             logger.error(e.getMessage(), e);
1565         }
1566
1567         logger.debug("Cannot find data for Flow " + flowBuilder.getFlowName());
1568         return null;
1569     }
1570
1571     private void writeFlow(FlowBuilder flowBuilder, NodeBuilder nodeBuilder) {
1572         Preconditions.checkNotNull(mdsalConsumer);
1573         logger.debug("writeFlow: flowBuilder: {}, nodeBuilder: {}",
1574                 flowBuilder.build(), nodeBuilder.build());
1575         if (mdsalConsumer == null) {
1576             logger.error("ERROR finding MDSAL Service. Its possible that writeFlow is called too soon ?");
1577             return;
1578         }
1579
1580         dataBroker = mdsalConsumer.getDataBroker();
1581         if (dataBroker == null) {
1582             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1583             return;
1584         }
1585
1586         ReadWriteTransaction modification = dataBroker.newReadWriteTransaction();
1587         InstanceIdentifier<Flow> path1 =
1588                 InstanceIdentifier.builder(Nodes.class).child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1589                                 .rev130819.nodes.Node.class,
1590                         nodeBuilder.getKey()).augmentation(FlowCapableNode.class).child(Table.class,
1591                         new TableKey(flowBuilder.getTableId())).child(Flow.class, flowBuilder.getKey()).build();
1592
1593         //modification.put(LogicalDatastoreType.OPERATIONAL, path1, flowBuilder.build());
1594         modification.put(LogicalDatastoreType.CONFIGURATION, path1, flowBuilder.build(),
1595                 true);//createMissingParents
1596
1597
1598         CheckedFuture<Void, TransactionCommitFailedException> commitFuture = modification.submit();
1599         try {
1600             commitFuture.get();  // TODO: Make it async (See bug 1362)
1601             logger.debug("Transaction success for write of Flow "+flowBuilder.getFlowName());
1602         } catch (InterruptedException|ExecutionException e) {
1603             logger.error(e.getMessage(), e);
1604         }
1605     }
1606
1607     private void removeFlow(FlowBuilder flowBuilder, NodeBuilder nodeBuilder) {
1608         Preconditions.checkNotNull(mdsalConsumer);
1609         if (mdsalConsumer == null) {
1610             logger.error("ERROR finding MDSAL Service.");
1611             return;
1612         }
1613
1614         dataBroker = mdsalConsumer.getDataBroker();
1615         if (dataBroker == null) {
1616             logger.error("ERROR finding reference for DataBroker. Please check MD-SAL support on the Controller.");
1617             return;
1618         }
1619
1620         WriteTransaction modification = dataBroker.newWriteOnlyTransaction();
1621         InstanceIdentifier<Flow> path1 = InstanceIdentifier.builder(Nodes.class)
1622                 .child(org.opendaylight.yang.gen.v1.urn.opendaylight.inventory
1623                         .rev130819.nodes.Node.class, nodeBuilder.getKey())
1624                         .augmentation(FlowCapableNode.class).child(Table.class,
1625                                 new TableKey(flowBuilder.getTableId())).child(Flow.class, flowBuilder.getKey()).build();
1626         //modification.delete(LogicalDatastoreType.OPERATIONAL, nodeBuilderToInstanceId(nodeBuilder));
1627         //modification.delete(LogicalDatastoreType.OPERATIONAL, path1);
1628         //modification.delete(LogicalDatastoreType.CONFIGURATION, nodeBuilderToInstanceId(nodeBuilder));
1629         modification.delete(LogicalDatastoreType.CONFIGURATION, path1);
1630
1631         CheckedFuture<Void, TransactionCommitFailedException> commitFuture = modification.submit();
1632         try {
1633             commitFuture.get();  // TODO: Make it async (See bug 1362)
1634             logger.debug("Transaction success for deletion of Flow "+flowBuilder.getFlowName());
1635         } catch (InterruptedException|ExecutionException e) {
1636             logger.error(e.getMessage(), e);
1637         }
1638     }
1639
1640     /**
1641      * Create Output Port Group Instruction
1642      *
1643      * @param ib       Map InstructionBuilder without any instructions
1644      * @param dpidLong Long the datapath ID of a switch/node
1645      * @param port     Long representing a port on a switch/node
1646      * @return ib InstructionBuilder Map with instructions
1647      */
1648     protected InstructionBuilder createOutputGroupInstructions(NodeBuilder nodeBuilder,
1649             InstructionBuilder ib,
1650             Long dpidLong, Long port ,
1651             List<Instruction> instructions) {
1652         NodeConnectorId ncid = new NodeConnectorId(Constants.OPENFLOW_NODE_PREFIX + dpidLong + ":" + port);
1653         logger.debug("createOutputGroupInstructions() Node Connector ID is - Type=openflow: DPID={} port={} existingInstructions={}", dpidLong, port, instructions);
1654
1655         List<Action> actionList = Lists.newArrayList();
1656         ActionBuilder ab = new ActionBuilder();
1657
1658         List<Action> existingActions;
1659         if (instructions != null) {
1660             for (Instruction in : instructions) {
1661                 if (in.getInstruction() instanceof ApplyActionsCase) {
1662                     existingActions = (((ApplyActionsCase) in.getInstruction()).getApplyActions().getAction());
1663                     actionList.addAll(existingActions);
1664                 }
1665             }
1666         }
1667
1668         GroupBuilder groupBuilder = new GroupBuilder();
1669         Group group = null;
1670
1671         /* Create output action for this port*/
1672         OutputActionBuilder oab = new OutputActionBuilder();
1673         oab.setOutputNodeConnector(ncid);
1674         ab.setAction(new OutputActionCaseBuilder().setOutputAction(oab.build()).build());
1675         logger.debug("createOutputGroupInstructions(): output action {}", ab.build());
1676         boolean addNew = true;
1677         boolean groupActionAdded = false;
1678
1679         /* Find the group action and get the group */
1680         for (Action action : actionList) {
1681             if (action.getAction() instanceof GroupActionCase) {
1682                 groupActionAdded = true;
1683                 GroupActionCase groupAction = (GroupActionCase) action.getAction();
1684                 Long id = groupAction.getGroupAction().getGroupId();
1685                 String groupName = groupAction.getGroupAction().getGroup();
1686                 GroupKey key = new GroupKey(new GroupId(id));
1687
1688                 groupBuilder.setGroupId(new GroupId(id));
1689                 groupBuilder.setGroupName(groupName);
1690                 groupBuilder.setGroupType(GroupTypes.GroupAll);
1691                 groupBuilder.setKey(key);
1692                 group = getGroup(groupBuilder, nodeBuilder);
1693                 logger.debug("createOutputGroupInstructions: group {}", group);
1694                 break;
1695             }
1696         }
1697
1698         logger.debug("createOutputGroupInstructions: groupActionAdded {}", groupActionAdded);
1699         if (groupActionAdded) {
1700             /* modify the action bucket in group */
1701             groupBuilder = new GroupBuilder(group);
1702             Buckets buckets = groupBuilder.getBuckets();
1703             for (Bucket bucket : buckets.getBucket()) {
1704                 List<Action> bucketActions = bucket.getAction();
1705                 logger.debug("createOutputGroupInstructions: bucketActions {}", bucketActions);
1706                 for (Action action : bucketActions) {
1707                     if (action.getAction() instanceof OutputActionCase) {
1708                         OutputActionCase opAction = (OutputActionCase)action.getAction();
1709                         /* If output port action already in the action list of one of the buckets, skip */
1710                         if (opAction.getOutputAction().getOutputNodeConnector().equals(new Uri(ncid))) {
1711                             addNew = false;
1712                             break;
1713                         }
1714                     }
1715                 }
1716             }
1717             logger.debug("createOutputGroupInstructions: addNew {}", addNew);
1718             if (addNew) {
1719                 /* the new output action is not in the bucket, add to bucket */
1720                 if (!buckets.getBucket().isEmpty()) {
1721                     Bucket bucket = buckets.getBucket().get(0);
1722                     List<Action> bucketActionList = Lists.newArrayList();
1723                     bucketActionList.addAll(bucket.getAction());
1724                     /* set order for new action and add to action list */
1725                     ab.setOrder(bucketActionList.size());
1726                     ab.setKey(new ActionKey(bucketActionList.size()));
1727                     bucketActionList.add(ab.build());
1728
1729                     /* set bucket and buckets list. Reset groupBuilder with new buckets.*/
1730                     BucketsBuilder bucketsBuilder = new BucketsBuilder();
1731                     List<Bucket> bucketList = Lists.newArrayList();
1732                     BucketBuilder bucketBuilder = new BucketBuilder();
1733                     bucketBuilder.setBucketId(new BucketId((long) 1));
1734                     bucketBuilder.setKey(new BucketKey(new BucketId((long) 1)));
1735                     bucketBuilder.setAction(bucketActionList);
1736                     bucketList.add(bucketBuilder.build());
1737                     bucketsBuilder.setBucket(bucketList);
1738                     groupBuilder.setBuckets(bucketsBuilder.build());
1739                     logger.debug("createOutputGroupInstructions: bucketList {}", bucketList);
1740                 }
1741             }
1742         } else {
1743             /* create group */
1744             groupBuilder = new GroupBuilder();
1745             groupBuilder.setGroupType(GroupTypes.GroupAll);
1746             groupBuilder.setGroupId(new GroupId(groupId));
1747             groupBuilder.setKey(new GroupKey(new GroupId(groupId)));
1748             groupBuilder.setGroupName("Output port group " + groupId);
1749             groupBuilder.setBarrier(false);
1750
1751             BucketsBuilder bucketBuilder = new BucketsBuilder();
1752             List<Bucket> bucketList = Lists.newArrayList();
1753             BucketBuilder bucket = new BucketBuilder();
1754             bucket.setBucketId(new BucketId((long) 1));
1755             bucket.setKey(new BucketKey(new BucketId((long) 1)));
1756
1757             /* put output action to the bucket */
1758             List<Action> bucketActionList = Lists.newArrayList();
1759             /* set order for new action and add to action list */
1760             ab.setOrder(bucketActionList.size());
1761             ab.setKey(new ActionKey(bucketActionList.size()));
1762             bucketActionList.add(ab.build());
1763
1764             bucket.setAction(bucketActionList);
1765             bucketList.add(bucket.build());
1766             bucketBuilder.setBucket(bucketList);
1767             groupBuilder.setBuckets(bucketBuilder.build());
1768
1769             /* Add new group action */
1770             GroupActionBuilder groupActionB = new GroupActionBuilder();
1771             groupActionB.setGroupId(groupId);
1772             groupActionB.setGroup("Output port group " + groupId);
1773             ab = new ActionBuilder();
1774             ab.setAction(new GroupActionCaseBuilder().setGroupAction(groupActionB.build()).build());
1775             ab.setOrder(actionList.size());
1776             ab.setKey(new ActionKey(actionList.size()));
1777             actionList.add(ab.build());
1778
1779             groupId++;
1780         }
1781         logger.debug("createOutputGroupInstructions: group {}", groupBuilder.build());
1782         logger.debug("createOutputGroupInstructions: actionList {}", actionList);
1783
1784         if (addNew) {
1785             /* rewrite the group to group table */
1786             writeGroup(groupBuilder, nodeBuilder);
1787         }
1788
1789         // Create an Apply Action
1790         ApplyActionsBuilder aab = new ApplyActionsBuilder();
1791         aab.setAction(actionList);
1792         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
1793
1794         return ib;
1795     }
1796
1797     /**
1798      * Remove Output Port from action list in group bucket
1799      *
1800      * @param ib       Map InstructionBuilder without any instructions
1801      * @param dpidLong Long the datapath ID of a switch/node
1802      * @param port     Long representing a port on a switch/node
1803      * @return ib InstructionBuilder Map with instructions
1804      */
1805     protected boolean removeOutputPortFromGroup(NodeBuilder nodeBuilder, InstructionBuilder ib,
1806             Long dpidLong, Long port , List<Instruction> instructions) {
1807
1808         NodeConnectorId ncid = new NodeConnectorId(Constants.OPENFLOW_NODE_PREFIX + dpidLong + ":" + port);
1809         logger.debug("removeOutputPortFromGroup() Node Connector ID is - Type=openflow: DPID={} port={} existingInstructions={}", dpidLong, port, instructions);
1810
1811         List<Action> actionList = Lists.newArrayList();
1812         ActionBuilder ab;
1813
1814         List<Action> existingActions;
1815         if (instructions != null) {
1816             for (Instruction in : instructions) {
1817                 if (in.getInstruction() instanceof ApplyActionsCase) {
1818                     existingActions = (((ApplyActionsCase) in.getInstruction()).getApplyActions().getAction());
1819                     actionList.addAll(existingActions);
1820                     break;
1821                 }
1822             }
1823         }
1824
1825         GroupBuilder groupBuilder = new GroupBuilder();
1826         Group group = null;
1827         boolean groupActionAdded = false;
1828         /* Find the group action and get the group */
1829         for (Action action : actionList) {
1830             if (action.getAction() instanceof GroupActionCase) {
1831                 groupActionAdded = true;
1832                 GroupActionCase groupAction = (GroupActionCase) action.getAction();
1833                 Long id = groupAction.getGroupAction().getGroupId();
1834                 String groupName = groupAction.getGroupAction().getGroup();
1835                 GroupKey key = new GroupKey(new GroupId(id));
1836
1837                 groupBuilder.setGroupId(new GroupId(id));
1838                 groupBuilder.setGroupName(groupName);
1839                 groupBuilder.setGroupType(GroupTypes.GroupAll);
1840                 groupBuilder.setKey(key);
1841                 group = getGroup(groupBuilder, nodeBuilder);
1842                 break;
1843             }
1844         }
1845
1846         if (groupActionAdded) {
1847             /* modify the action bucket in group */
1848             groupBuilder = new GroupBuilder(group);
1849             Buckets buckets = groupBuilder.getBuckets();
1850             List<Action> bucketActions = Lists.newArrayList();
1851             for (Bucket bucket : buckets.getBucket()) {
1852                 int index = 0;
1853                 boolean isPortDeleted = false;
1854                 bucketActions = bucket.getAction();
1855                 for (Action action : bucketActions) {
1856                     if (action.getAction() instanceof OutputActionCase) {
1857                         OutputActionCase opAction = (OutputActionCase)action.getAction();
1858                         if (opAction.getOutputAction().getOutputNodeConnector().equals(new Uri(ncid))) {
1859                             /* Find the output port in action list and remove */
1860                             index = bucketActions.indexOf(action);
1861                             bucketActions.remove(action);
1862                             isPortDeleted = true;
1863                             break;
1864                         }
1865                     }
1866                 }
1867                 if (isPortDeleted && !bucketActions.isEmpty()) {
1868                     for (int i = index; i< bucketActions.size(); i++) {
1869                         Action action = bucketActions.get(i);
1870                         if (action.getOrder() != i) {
1871                             /* Shift the action order */
1872                             ab = new ActionBuilder();
1873                             ab.setAction(action.getAction());
1874                             ab.setOrder(i);
1875                             ab.setKey(new ActionKey(i));
1876                             Action actionNewOrder = ab.build();
1877                             bucketActions.remove(action);
1878                             bucketActions.add(i, actionNewOrder);
1879                         }
1880                     }
1881
1882                 } else if (bucketActions.isEmpty()) {
1883                     /* remove bucket with empty action list */
1884                     buckets.getBucket().remove(bucket);
1885                     break;
1886                 }
1887             }
1888             if (!buckets.getBucket().isEmpty()) {
1889                 /* rewrite the group to group table */
1890                 /* set bucket and buckets list. Reset groupBuilder with new buckets.*/
1891                 BucketsBuilder bucketsBuilder = new BucketsBuilder();
1892                 List<Bucket> bucketList = Lists.newArrayList();
1893                 BucketBuilder bucketBuilder = new BucketBuilder();
1894                 bucketBuilder.setBucketId(new BucketId((long) 1));
1895                 bucketBuilder.setKey(new BucketKey(new BucketId((long) 1)));
1896                 bucketBuilder.setAction(bucketActions);
1897                 bucketList.add(bucketBuilder.build());
1898                 bucketsBuilder.setBucket(bucketList);
1899                 groupBuilder.setBuckets(bucketsBuilder.build());
1900                 logger.debug("removeOutputPortFromGroup: bucketList {}", bucketList);
1901
1902                 writeGroup(groupBuilder, nodeBuilder);
1903                 ApplyActionsBuilder aab = new ApplyActionsBuilder();
1904                 aab.setAction(actionList);
1905                 ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
1906                 return false;
1907             } else {
1908                 /* remove group with empty bucket. return true to delete flow */
1909                 removeGroup(groupBuilder, nodeBuilder);
1910                 return true;
1911             }
1912         } else {
1913             /* no group for port list. flow can be removed */
1914             return true;
1915         }
1916     }
1917
1918     @Override
1919     public void initializeOFFlowRules(Node openflowNode) {
1920         String bridgeName = MdsalUtils.getBridgeName(openflowNode);
1921         logger.info("initializeOFFlowRules: bridgeName: {}", bridgeName);
1922         if (bridgeName.equals(configurationService.getIntegrationBridgeName())) {
1923             initializeFlowRules(openflowNode, configurationService.getIntegrationBridgeName());
1924             triggerInterfaceUpdates(openflowNode);
1925         } else if (bridgeName.equals(configurationService.getExternalBridgeName())) {
1926             initializeFlowRules(openflowNode, configurationService.getExternalBridgeName());
1927             logger.info("initializeOFFlowRules after writeFlow: bridgeName: {}", bridgeName);
1928             triggerInterfaceUpdates(openflowNode);
1929             logger.info("initializeOFFlowRules after triggerUpdates: bridgeName: {}", bridgeName);
1930         }
1931     }
1932
1933     public static NodeBuilder createNodeBuilder(String nodeId) {
1934         NodeBuilder builder = new NodeBuilder();
1935         builder.setId(new NodeId(nodeId));
1936         builder.setKey(new NodeKey(builder.getId()));
1937         return builder;
1938     }
1939 }