blob: 5b5a5fb2f0791eff98b680be31412f529beef2bf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.provider.pcep.tunnel.impl;
import static org.slf4j.LoggerFactory.getLogger;
import java.util.concurrent.atomic.AtomicInteger;
import org.slf4j.Logger;
/**
* Unique Srp Id generator for pcep messages.
*/
public final class SrpIdGenerators {
private static final Logger log = getLogger(SrpIdGenerators.class);
private static final AtomicInteger SRP_ID_GEN = new AtomicInteger();
private static final int MAX_SRP_ID = 0x7FFFFFFF;
private static int srpId;
/**
* Default constructor.
*/
private SrpIdGenerators() {
}
/**
* Get the next srp id.
*
* @return srp id
*/
public static int create() {
do {
if (srpId >= MAX_SRP_ID) {
if (SRP_ID_GEN.get() >= MAX_SRP_ID) {
SRP_ID_GEN.set(0);
}
}
srpId = SRP_ID_GEN.incrementAndGet();
} while (srpId > MAX_SRP_ID);
return srpId;
}
}
|
