2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl.writer;
11 import java.util.HashSet;
13 import com.google.common.base.Preconditions;
14 import com.google.common.util.concurrent.CheckedFuture;
15 import com.google.common.util.concurrent.Futures;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
18 import org.opendaylight.yang.gen.v1.urn.ios.rev160308._native.ClassMap;
19 import org.opendaylight.yang.gen.v1.urn.ios.rev160308._native.ServiceChain;
20 import org.opendaylight.yang.gen.v1.urn.ios.rev160308._native.policy.map.Class;
21 import org.opendaylight.yang.gen.v1.urn.ios.rev160308._native.service.chain.service.function.forwarder.ServiceFfName;
22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class PolicyWriter {
28 private static final Logger LOG = LoggerFactory.getLogger(PolicyWriter.class);
30 private final DataBroker mountpoint;
32 private final Set<ClassMap> classMapEntries;
33 private final Set<Class> policyMapEntries;
34 private final Set<ServiceFfName> remoteForwarders;
35 private final Set<ServiceChain> serviceChains;
36 private final NodeId nodeId;
37 private final String interfaceName;
38 private final String policyMapName;
39 private final String managementIpAddress;
41 public PolicyWriter(final DataBroker dataBroker, final String interfaceName, final String ipAddress,
42 final String policyMapName, final NodeId nodeId) {
43 classMapEntries = new HashSet<>();
44 policyMapEntries = new HashSet<>();
45 remoteForwarders = new HashSet<>();
46 serviceChains = new HashSet<>();
48 this.nodeId = Preconditions.checkNotNull(nodeId);
49 mountpoint = Preconditions.checkNotNull(dataBroker);
50 managementIpAddress = Preconditions.checkNotNull(ipAddress);
51 this.interfaceName = Preconditions.checkNotNull(interfaceName);
52 this.policyMapName = Preconditions.checkNotNull(policyMapName);
55 public CheckedFuture<Boolean, TransactionCommitFailedException> commitToDatastore() {
56 LOG.debug("Configuring policy on node {}, interface {} ... ", nodeId.getValue(), interfaceName);
57 if (policyMapEntries.isEmpty()) {
58 LOG.debug("Policy map {} is empty, skipping", policyMapName);
59 return Futures.immediateCheckedFuture(true);
62 boolean remoteResult = PolicyWriterUtil.writeRemote(remoteForwarders, nodeId, mountpoint);
63 boolean servicePathsResult = PolicyWriterUtil.writeServicePaths(serviceChains, nodeId, mountpoint);
64 // GBP - maintain order!
65 boolean classMapResult = PolicyWriterUtil.writeClassMaps(classMapEntries, nodeId, mountpoint);
66 boolean policyMapResult = PolicyWriterUtil.writePolicyMap(policyMapName, policyMapEntries, nodeId, mountpoint);
67 boolean interfaceResult = PolicyWriterUtil.writeInterface(policyMapName, interfaceName, nodeId, mountpoint);
69 LOG.info("Policy-map created on node {}, interface {}", nodeId.getValue(), interfaceName);
70 return Futures.immediateCheckedFuture(classMapResult && policyMapResult && interfaceResult && remoteResult
71 && servicePathsResult);
74 public CheckedFuture<Boolean, TransactionCommitFailedException> removeFromDatastore() {
75 LOG.debug("Removing policy from node {}, interface {} ... ", nodeId.getValue(), interfaceName);
76 if (policyMapEntries.isEmpty()) {
77 LOG.debug("Policy map {} is empty, nothing to remove", policyMapName);
78 return Futures.immediateCheckedFuture(true);
80 // GBP - maintain order!
81 boolean policyMapEntriesResult = PolicyWriterUtil.removePolicyMapEntries(policyMapName, policyMapEntries,
83 boolean classMapResult = PolicyWriterUtil.removeClassMaps(classMapEntries, nodeId, mountpoint);
85 boolean remoteSffResult = PolicyWriterUtil.removeRemote(remoteForwarders, nodeId, mountpoint);
86 boolean servicePathsResult = PolicyWriterUtil.removeServicePaths(serviceChains, nodeId, mountpoint);
88 LOG.info("Policy-map removed from node {}, interface {}", nodeId.getValue(), interfaceName);
89 return Futures.immediateCheckedFuture(classMapResult && policyMapEntriesResult && servicePathsResult
93 public void cache(ClassMap classMap) {
94 classMapEntries.add(classMap);
97 public void cache(Class policyMapEntry) {
98 this.policyMapEntries.add(policyMapEntry);
101 public void cache(ServiceFfName remoteForwarder) {
102 remoteForwarders.add(remoteForwarder);
105 public void cache(ServiceChain serviceChain) {
106 serviceChains.add(serviceChain);
109 public String getManagementIpAddress() {
110 return managementIpAddress;
113 public DataBroker getMountpoint() {
117 public NodeId getNodeId() {