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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.jni;
import java.util.concurrent.locks.ReentrantReadWriteLock;
/**
* Holds APR status without the need to load other classes.
*/
public class AprStatus {
private static volatile boolean aprInitialized = false;
private static volatile boolean aprAvailable = false;
private static volatile boolean useOpenSSL = true;
private static volatile boolean instanceCreated = false;
private static volatile int openSSLVersion = 0;
private static ReentrantReadWriteLock statusLock = new ReentrantReadWriteLock();
public static boolean isAprInitialized() {
return aprInitialized;
}
public static boolean isAprAvailable() {
return aprAvailable;
}
public static boolean getUseOpenSSL() {
return useOpenSSL;
}
public static boolean isInstanceCreated() {
return instanceCreated;
}
public static void setAprInitialized(boolean aprInitialized) {
AprStatus.aprInitialized = aprInitialized;
}
public static void setAprAvailable(boolean aprAvailable) {
AprStatus.aprAvailable = aprAvailable;
}
public static void setUseOpenSSL(boolean useOpenSSL) {
AprStatus.useOpenSSL = useOpenSSL;
}
public static void setInstanceCreated(boolean instanceCreated) {
AprStatus.instanceCreated = instanceCreated;
}
/**
* @return the openSSLVersion
*/
public static int getOpenSSLVersion() {
return openSSLVersion;
}
/**
* @param openSSLVersion the openSSLVersion to set
*/
public static void setOpenSSLVersion(int openSSLVersion) {
AprStatus.openSSLVersion = openSSLVersion;
}
/**
* Code that changes the status of the APR library MUST hold the write lock while making any changes.
* <p>
* Code that needs the status to be consistent for an operation must hold the read lock for the duration of that
* operation.
*
* @return The read/write lock for APR library status
*/
public static ReentrantReadWriteLock getStatusLock() {
return statusLock;
}
}
|
