BUG-139: Implement PCEP state synchronization avoidance
[bgpcep.git] / pcep / ietf-stateful07 / src / main / java / org / opendaylight / controller / config / yang / pcep / stateful07 / cfg / Stateful07PCEPSessionProposalFactoryModule.java
1 /*
2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
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.controller.config.yang.pcep.stateful07.cfg;
9
10 import com.google.common.base.Preconditions;
11 import java.net.InetSocketAddress;
12 import org.opendaylight.controller.config.api.JmxAttributeValidationException;
13 import org.opendaylight.protocol.pcep.PCEPSessionProposalFactory;
14 import org.opendaylight.protocol.pcep.ietf.initiated00.Stateful07SessionProposalFactory;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
16 import org.slf4j.Logger;
17 import org.slf4j.LoggerFactory;
18
19 /**
20  *
21  */
22 public final class Stateful07PCEPSessionProposalFactoryModule extends
23         org.opendaylight.controller.config.yang.pcep.stateful07.cfg.AbstractStateful07PCEPSessionProposalFactoryModule {
24     private static final Logger LOG = LoggerFactory.getLogger(Stateful07PCEPSessionProposalFactoryModule.class);
25
26     private static final String VALUE_IS_NOT_SET = "value is not set.";
27
28     private static final int DT_KA_RATIO = 4;
29
30     public Stateful07PCEPSessionProposalFactoryModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
31             final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
32         super(identifier, dependencyResolver);
33     }
34
35     public Stateful07PCEPSessionProposalFactoryModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
36             final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver,
37             final Stateful07PCEPSessionProposalFactoryModule oldModule, final java.lang.AutoCloseable oldInstance) {
38
39         super(identifier, dependencyResolver, oldModule, oldInstance);
40     }
41
42     @Override
43     protected void customValidation() {
44         JmxAttributeValidationException.checkNotNull(getActive(), VALUE_IS_NOT_SET, activeJmxAttribute);
45         JmxAttributeValidationException.checkNotNull(getInitiated(), VALUE_IS_NOT_SET, initiatedJmxAttribute);
46         JmxAttributeValidationException.checkNotNull(getDeadTimerValue(), VALUE_IS_NOT_SET, deadTimerValueJmxAttribute);
47         JmxAttributeValidationException.checkNotNull(getKeepAliveTimerValue(), VALUE_IS_NOT_SET, keepAliveTimerValueJmxAttribute);
48         JmxAttributeValidationException.checkNotNull(getTriggeredInitialSync(), VALUE_IS_NOT_SET, triggeredInitialSyncJmxAttribute);
49         JmxAttributeValidationException.checkNotNull(getTriggeredResync(), VALUE_IS_NOT_SET, triggeredResyncJmxAttribute);
50         JmxAttributeValidationException.checkNotNull(getDeltaLspSyncCapability(), VALUE_IS_NOT_SET, deltaLspSyncCapabilityJmxAttribute);
51         JmxAttributeValidationException.checkNotNull(getIncludeDbVersion(), VALUE_IS_NOT_SET, includeDbVersionJmxAttribute);
52         if (getKeepAliveTimerValue() != 0) {
53             JmxAttributeValidationException.checkCondition(getKeepAliveTimerValue() >= 1, "minimum value is 1.",
54                     keepAliveTimerValueJmxAttribute);
55             if (getDeadTimerValue() != 0 && (getDeadTimerValue() / getKeepAliveTimerValue() != DT_KA_RATIO)) {
56                 LOG.warn("DeadTimerValue should be 4 times greater than KeepAliveTimerValue");
57             }
58         }
59         if ((getActive() || getTriggeredInitialSync() || getTriggeredResync() || getDeltaLspSyncCapability() || getIncludeDbVersion()) && !getStateful()) {
60             setStateful(true);
61         }
62         if ((getTriggeredInitialSync() || getDeltaLspSyncCapability()) && !getIncludeDbVersion()) {
63             setIncludeDbVersion(true);
64         }
65         JmxAttributeValidationException.checkNotNull(getStateful(), VALUE_IS_NOT_SET, statefulJmxAttribute);
66     }
67
68     @Override
69     public java.lang.AutoCloseable createInstance() {
70         final Stateful07SessionProposalFactory inner = new Stateful07SessionProposalFactory(getDeadTimerValue(), getKeepAliveTimerValue(), getStateful(), getActive(), getInitiated(),
71             getTriggeredInitialSync(), getTriggeredResync(), getDeltaLspSyncCapability(), getIncludeDbVersion());
72         return new PCEPSessionProposalFactoryCloseable(inner);
73     }
74
75     private static final class PCEPSessionProposalFactoryCloseable implements PCEPSessionProposalFactory, AutoCloseable {
76         private final Stateful07SessionProposalFactory inner;
77
78         public PCEPSessionProposalFactoryCloseable(final Stateful07SessionProposalFactory inner) {
79             this.inner = Preconditions.checkNotNull(inner);
80         }
81
82         @Override
83         public void close() {
84         }
85
86         @Override
87         public Open getSessionProposal(final InetSocketAddress inetSocketAddress, final int sessionId) {
88             return this.inner.getSessionProposal(inetSocketAddress, sessionId);
89         }
90     }
91 }