OLD | NEW |
| (Empty) |
1 /* | |
2 * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 * contributor license agreements. See the NOTICE file distributed with | |
4 * this work for additional information regarding copyright ownership. | |
5 * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 * (the "License"); you may not use this file except in compliance with | |
7 * the License. You may obtain a copy of the License at | |
8 * | |
9 * http://www.apache.org/licenses/LICENSE-2.0 | |
10 * | |
11 * Unless required by applicable law or agreed to in writing, software | |
12 * distributed under the License is distributed on an "AS IS" BASIS, | |
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 * See the License for the specific language governing permissions and | |
15 * limitations under the License. | |
16 */ | |
17 | |
18 package org.apache.tomcat.jni; | |
19 | |
20 /** OS | |
21 * | |
22 * @author Mladen Turk | |
23 */ | |
24 public class OS { | |
25 | |
26 /* OS Enums */ | |
27 private static final int UNIX = 1; | |
28 private static final int NETWARE = 2; | |
29 private static final int WIN32 = 3; | |
30 private static final int WIN64 = 4; | |
31 private static final int LINUX = 5; | |
32 private static final int SOLARIS = 6; | |
33 private static final int BSD = 7; | |
34 private static final int MACOSX = 8; | |
35 | |
36 public static final int LOG_EMERG = 1; | |
37 public static final int LOG_ERROR = 2; | |
38 public static final int LOG_NOTICE = 3; | |
39 public static final int LOG_WARN = 4; | |
40 public static final int LOG_INFO = 5; | |
41 public static final int LOG_DEBUG = 6; | |
42 | |
43 /** | |
44 * Check for OS type. | |
45 * @param type OS type to test. | |
46 */ | |
47 private static native boolean is(int type); | |
48 | |
49 public static final boolean IS_UNIX = is(UNIX); | |
50 public static final boolean IS_NETWARE = is(NETWARE); | |
51 public static final boolean IS_WIN32 = is(WIN32); | |
52 public static final boolean IS_WIN64 = is(WIN64); | |
53 public static final boolean IS_LINUX = is(LINUX); | |
54 public static final boolean IS_SOLARIS = is(SOLARIS); | |
55 public static final boolean IS_BSD = is(BSD); | |
56 public static final boolean IS_MACOSX = is(MACOSX); | |
57 | |
58 /** | |
59 * Get the name of the system default character set. | |
60 * @param pool the pool to allocate the name from, if needed | |
61 */ | |
62 public static native String defaultEncoding(long pool); | |
63 | |
64 /** | |
65 * Get the name of the current locale character set. | |
66 * Defers to apr_os_default_encoding if the current locale's | |
67 * data can't be retrieved on this system. | |
68 * @param pool the pool to allocate the name from, if needed | |
69 */ | |
70 public static native String localeEncoding(long pool); | |
71 | |
72 /** | |
73 * Generate random bytes. | |
74 * @param buf Buffer to fill with random bytes | |
75 * @param len Length of buffer in bytes | |
76 */ | |
77 public static native int random(byte [] buf, int len); | |
78 | |
79 /** | |
80 * Gather system info. | |
81 * <PRE> | |
82 * On exit the inf array will be filled with: | |
83 * inf[0] - Total usable main memory size | |
84 * inf[1] - Available memory size | |
85 * inf[2] - Total page file/swap space size | |
86 * inf[3] - Page file/swap space still available | |
87 * inf[4] - Amount of shared memory | |
88 * inf[5] - Memory used by buffers | |
89 * inf[6] - Memory Load | |
90 * | |
91 * inf[7] - Idle Time in microseconds | |
92 * inf[8] - Kernel Time in microseconds | |
93 * inf[9] - User Time in microseconds | |
94 * | |
95 * inf[10] - Process creation time (apr_time_t) | |
96 * inf[11] - Process Kernel Time in microseconds | |
97 * inf[12] - Process User Time in microseconds | |
98 * | |
99 * inf[13] - Current working set size. | |
100 * inf[14] - Peak working set size. | |
101 * inf[15] - Number of page faults. | |
102 * </PRE> | |
103 * @param inf array that will be filled with system information. | |
104 * Array length must be at least 16. | |
105 */ | |
106 public static native int info(long [] inf); | |
107 | |
108 /** | |
109 * Expand environment variables. | |
110 * @param str String to expand | |
111 * @return Expanded string with replaced environment variables. | |
112 */ | |
113 public static native String expand(String str); | |
114 | |
115 /** | |
116 * Initialize system logging. | |
117 * @param domain String that will be prepended to every message | |
118 */ | |
119 public static native void sysloginit(String domain); | |
120 | |
121 /** | |
122 * Log message. | |
123 * @param level Log message severity. See LOG_XXX enums. | |
124 * @param message Message to log | |
125 */ | |
126 public static native void syslog(int level, String message); | |
127 | |
128 } | |
OLD | NEW |