BUG-6647 Increase code coverage and clean up II
[bgpcep.git] / pcep / impl / src / main / java / org / opendaylight / protocol / pcep / impl / BasePCEPSessionProposalFactory.java
1 /*
2  * Copyright (c) 2013 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.protocol.pcep.impl;
9
10 import com.google.common.base.Preconditions;
11 import java.net.InetSocketAddress;
12 import java.util.List;
13 import org.opendaylight.protocol.pcep.PCEPCapability;
14 import org.opendaylight.protocol.pcep.PCEPPeerProposal;
15 import org.opendaylight.protocol.pcep.PCEPSessionProposalFactory;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.OpenBuilder;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.open.TlvsBuilder;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
21
22 public final class BasePCEPSessionProposalFactory implements PCEPSessionProposalFactory {
23     private static final Logger LOG = LoggerFactory.getLogger(BasePCEPSessionProposalFactory.class);
24     private static final int KA_TO_DEADTIMER_RATIO = 4;
25
26     private final int keepAlive, deadTimer;
27     private final List<PCEPCapability> capabilities;
28
29     public BasePCEPSessionProposalFactory(final int deadTimer, final int keepAlive, final List<PCEPCapability> capabilities) {
30         if(keepAlive != 0) {
31             Preconditions.checkArgument(keepAlive >= 1, "Minimum value for keep-alive-timer-value is 1");
32             if(deadTimer != 0 && (deadTimer / keepAlive != KA_TO_DEADTIMER_RATIO)) {
33                 LOG.warn("dead-timer-value should be {} times greater than keep-alive-timer-value", KA_TO_DEADTIMER_RATIO);
34             }
35         }
36
37         this.deadTimer = deadTimer;
38         this.keepAlive = keepAlive;
39         this.capabilities = capabilities;
40     }
41
42     private void addTlvs(final InetSocketAddress address, final TlvsBuilder builder) {
43         for (final PCEPCapability capability : this.capabilities) {
44             capability.setCapabilityProposal(address, builder);
45         }
46     }
47
48     @Override
49     public Open getSessionProposal(final InetSocketAddress address, final int sessionId,
50             final PCEPPeerProposal peerProposal) {
51         final OpenBuilder oBuilder = new OpenBuilder();
52         oBuilder.setSessionId((short) sessionId);
53         oBuilder.setKeepalive((short) BasePCEPSessionProposalFactory.this.keepAlive);
54         if(BasePCEPSessionProposalFactory.this.keepAlive == 0) {
55             oBuilder.setDeadTimer((short) 0);
56         } else {
57             oBuilder.setDeadTimer((short) BasePCEPSessionProposalFactory.this.deadTimer);
58         }
59
60         final TlvsBuilder builder = new TlvsBuilder();
61         addTlvs(address, builder);
62
63         if (peerProposal != null) {
64             peerProposal.setPeerSpecificProposal(address, builder);
65         }
66         return oBuilder.setTlvs(builder.build()).build();
67     }
68
69     @Override
70     public List<PCEPCapability> getCapabilities() {
71         return this.capabilities;
72     }
73 }