133 lines
4.5 KiB
Java
133 lines
4.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.jni;
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/** OS
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*
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* @author Mladen Turk
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*/
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public class OS {
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/* OS Enums */
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private static final int UNIX = 1;
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private static final int NETWARE = 2;
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private static final int WIN32 = 3;
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private static final int WIN64 = 4;
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private static final int LINUX = 5;
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private static final int SOLARIS = 6;
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private static final int BSD = 7;
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private static final int MACOSX = 8;
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public static final int LOG_EMERG = 1;
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public static final int LOG_ERROR = 2;
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public static final int LOG_NOTICE = 3;
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public static final int LOG_WARN = 4;
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public static final int LOG_INFO = 5;
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public static final int LOG_DEBUG = 6;
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/**
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* Check for OS type.
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* @param type OS type to test.
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*/
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private static native boolean is(int type);
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public static final boolean IS_UNIX = is(UNIX);
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public static final boolean IS_NETWARE = is(NETWARE);
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public static final boolean IS_WIN32 = is(WIN32);
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public static final boolean IS_WIN64 = is(WIN64);
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public static final boolean IS_LINUX = is(LINUX);
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public static final boolean IS_SOLARIS = is(SOLARIS);
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public static final boolean IS_BSD = is(BSD);
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public static final boolean IS_MACOSX = is(MACOSX);
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/**
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* Get the name of the system default character set.
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* @param pool the pool to allocate the name from, if needed
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* @return the encoding
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*/
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public static native String defaultEncoding(long pool);
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/**
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* Get the name of the current locale character set.
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* Defers to apr_os_default_encoding if the current locale's
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* data can't be retrieved on this system.
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* @param pool the pool to allocate the name from, if needed
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* @return the encoding
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*/
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public static native String localeEncoding(long pool);
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/**
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* Generate random bytes.
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* @param buf Buffer to fill with random bytes
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* @param len Length of buffer in bytes
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* @return the operation status
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*/
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public static native int random(byte [] buf, int len);
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/**
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* Gather system info.
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* <PRE>
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* On exit the inf array will be filled with:
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* inf[0] - Total usable main memory size
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* inf[1] - Available memory size
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* inf[2] - Total page file/swap space size
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* inf[3] - Page file/swap space still available
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* inf[4] - Amount of shared memory
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* inf[5] - Memory used by buffers
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* inf[6] - Memory Load
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*
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* inf[7] - Idle Time in microseconds
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* inf[8] - Kernel Time in microseconds
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* inf[9] - User Time in microseconds
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*
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* inf[10] - Process creation time (apr_time_t)
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* inf[11] - Process Kernel Time in microseconds
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* inf[12] - Process User Time in microseconds
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*
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* inf[13] - Current working set size.
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* inf[14] - Peak working set size.
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* inf[15] - Number of page faults.
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* </PRE>
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* @param inf array that will be filled with system information.
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* Array length must be at least 16.
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* @return the operation status
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*/
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public static native int info(long [] inf);
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/**
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* Expand environment variables.
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* @param str String to expand
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* @return Expanded string with replaced environment variables.
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*/
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public static native String expand(String str);
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/**
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* Initialize system logging.
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* @param domain String that will be prepended to every message
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*/
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public static native void sysloginit(String domain);
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/**
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* Log message.
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* @param level Log message severity. See LOG_XXX enums.
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* @param message Message to log
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*/
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public static native void syslog(int level, String message);
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}
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