bundles/org.apache.tomcat/src/org/apache/tomcat/jni/Library.java - rap/org.apache.tomcat - Git at Google

 /*
  *  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;

 /** Library
  *
  * @author Mladen Turk
  * @version $Id: Library.java,v 1.1 2011/06/28 21:08:26 rherrmann Exp $
  */

 public final class Library {

     /* Default library names */
     private static String [] NAMES = {"tcnative-1", "libtcnative-1"};
     /*
      * A handle to the unique Library singleton instance.
      */
     private static Library _instance = null;

     private Library()
         throws Exception
     {
         boolean loaded = false;
         StringBuilder err = new StringBuilder();
         for (int i = 0; i < NAMES.length; i++) {
             try {
                 System.loadLibrary(NAMES[i]);
                 loaded = true;
             }
             catch (Throwable t) {
                 if (t instanceof ThreadDeath) {
                     throw (ThreadDeath) t;
                 }
                 if (t instanceof VirtualMachineError) {
                     throw (VirtualMachineError) t;
                 }
                 String name = System.mapLibraryName(NAMES[i]);
                 String path = System.getProperty("java.library.path");
                 String sep = System.getProperty("path.separator");
                 String [] paths = path.split(sep);
                 for (int j=0; j<paths.length; j++) {
                     java.io.File fd = new java.io.File(paths[j] , name);
                     if (fd.exists()) {
                         t.printStackTrace();
                     }
                 }
                 if ( i > 0)
                     err.append(", ");
                 err.append(t.getMessage());
             }
             if (loaded)
                 break;
         }
         if (!loaded) {
             err.append('(');
             err.append(System.getProperty("java.library.path"));
             err.append(')');
             throw new UnsatisfiedLinkError(err.toString());
         }
     }

     private Library(String libraryName)
     {
         System.loadLibrary(libraryName);
     }

     /* create global TCN's APR pool
      * This has to be the first call to TCN library.
      */
     private static native boolean initialize();
     /* destroy global TCN's APR pool
      * This has to be the last call to TCN library.
      */
     public static native void terminate();
     /* Internal function for loading APR Features */
     private static native boolean has(int what);
     /* Internal function for loading APR Features */
     private static native int version(int what);
     /* Internal function for loading APR sizes */
     private static native int size(int what);

     /* TCN_MAJOR_VERSION */
     public static int TCN_MAJOR_VERSION  = 0;
     /* TCN_MINOR_VERSION */
     public static int TCN_MINOR_VERSION  = 0;
     /* TCN_PATCH_VERSION */
     public static int TCN_PATCH_VERSION  = 0;
     /* TCN_IS_DEV_VERSION */
     public static int TCN_IS_DEV_VERSION = 0;
     /* APR_MAJOR_VERSION */
     public static int APR_MAJOR_VERSION  = 0;
     /* APR_MINOR_VERSION */
     public static int APR_MINOR_VERSION  = 0;
     /* APR_PATCH_VERSION */
     public static int APR_PATCH_VERSION  = 0;
     /* APR_IS_DEV_VERSION */
     public static int APR_IS_DEV_VERSION = 0;

     /* TCN_VERSION_STRING */
     public static native String versionString();
     /* APR_VERSION_STRING */
     public static native String aprVersionString();

     /*  APR Feature Macros */
     public static boolean APR_HAVE_IPV6           = false;
     public static boolean APR_HAS_SHARED_MEMORY   = false;
     public static boolean APR_HAS_THREADS         = false;
     public static boolean APR_HAS_SENDFILE        = false;
     public static boolean APR_HAS_MMAP            = false;
     public static boolean APR_HAS_FORK            = false;
     public static boolean APR_HAS_RANDOM          = false;
     public static boolean APR_HAS_OTHER_CHILD     = false;
     public static boolean APR_HAS_DSO             = false;
     public static boolean APR_HAS_SO_ACCEPTFILTER = false;
     public static boolean APR_HAS_UNICODE_FS      = false;
     public static boolean APR_HAS_PROC_INVOKED    = false;
     public static boolean APR_HAS_USER            = false;
     public static boolean APR_HAS_LARGE_FILES     = false;
     public static boolean APR_HAS_XTHREAD_FILES   = false;
     public static boolean APR_HAS_OS_UUID         = false;
     /* Are we big endian? */
     public static boolean APR_IS_BIGENDIAN        = false;
     /* APR sets APR_FILES_AS_SOCKETS to 1 on systems where it is possible
      * to poll on files/pipes.
      */
     public static boolean APR_FILES_AS_SOCKETS    = false;
     /* This macro indicates whether or not EBCDIC is the native character set.
      */
     public static boolean APR_CHARSET_EBCDIC      = false;
     /* Is the TCP_NODELAY socket option inherited from listening sockets?
      */
     public static boolean APR_TCP_NODELAY_INHERITED = false;
     /* Is the O_NONBLOCK flag inherited from listening sockets?
      */
     public static boolean APR_O_NONBLOCK_INHERITED  = false;


     public static int APR_SIZEOF_VOIDP;
     public static int APR_PATH_MAX;
     public static int APRMAXHOSTLEN;
     public static int APR_MAX_IOVEC_SIZE;
     public static int APR_MAX_SECS_TO_LINGER;
     public static int APR_MMAP_THRESHOLD;
     public static int APR_MMAP_LIMIT;

     /* return global TCN's APR pool */
     public static native long globalPool();

     /**
      * Setup any APR internal data structures.  This MUST be the first function
      * called for any APR library.
      * @param libraryName the name of the library to load
      */
     public static boolean initialize(String libraryName)
         throws Exception
     {
         if (_instance == null) {
             if (libraryName == null)
                 _instance = new Library();
             else
                 _instance = new Library(libraryName);
             TCN_MAJOR_VERSION  = version(0x01);
             TCN_MINOR_VERSION  = version(0x02);
             TCN_PATCH_VERSION  = version(0x03);
             TCN_IS_DEV_VERSION = version(0x04);
             APR_MAJOR_VERSION  = version(0x11);
             APR_MINOR_VERSION  = version(0x12);
             APR_PATCH_VERSION  = version(0x13);
             APR_IS_DEV_VERSION = version(0x14);

             APR_SIZEOF_VOIDP        = size(1);
             APR_PATH_MAX            = size(2);
             APRMAXHOSTLEN           = size(3);
             APR_MAX_IOVEC_SIZE      = size(4);
             APR_MAX_SECS_TO_LINGER  = size(5);
             APR_MMAP_THRESHOLD      = size(6);
             APR_MMAP_LIMIT          = size(7);

             APR_HAVE_IPV6           = has(0);
             APR_HAS_SHARED_MEMORY   = has(1);
             APR_HAS_THREADS         = has(2);
             APR_HAS_SENDFILE        = has(3);
             APR_HAS_MMAP            = has(4);
             APR_HAS_FORK            = has(5);
             APR_HAS_RANDOM          = has(6);
             APR_HAS_OTHER_CHILD     = has(7);
             APR_HAS_DSO             = has(8);
             APR_HAS_SO_ACCEPTFILTER = has(9);
             APR_HAS_UNICODE_FS      = has(10);
             APR_HAS_PROC_INVOKED    = has(11);
             APR_HAS_USER            = has(12);
             APR_HAS_LARGE_FILES     = has(13);
             APR_HAS_XTHREAD_FILES   = has(14);
             APR_HAS_OS_UUID         = has(15);
             APR_IS_BIGENDIAN        = has(16);
             APR_FILES_AS_SOCKETS    = has(17);
             APR_CHARSET_EBCDIC      = has(18);
             APR_TCP_NODELAY_INHERITED = has(19);
             APR_O_NONBLOCK_INHERITED  = has(20);
             if (APR_MAJOR_VERSION < 1) {
                 throw new UnsatisfiedLinkError("Unsupported APR Version (" +
                                                aprVersionString() + ")");
             }
             if (!APR_HAS_THREADS) {
                 throw new UnsatisfiedLinkError("Missing APR_HAS_THREADS");
             }
         }
         return initialize();
     }
 }
	/*
	* 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;

	/** Library
	*
	* @author Mladen Turk
	* @version $Id: Library.java,v 1.1 2011/06/28 21:08:26 rherrmann Exp $
	*/

	public final class Library {

	/* Default library names */
	private static String [] NAMES = {"tcnative-1", "libtcnative-1"};
	/*
	* A handle to the unique Library singleton instance.
	*/
	private static Library _instance = null;

	private Library()
	throws Exception
	{
	boolean loaded = false;
	StringBuilder err = new StringBuilder();
	for (int i = 0; i < NAMES.length; i++) {
	try {
	System.loadLibrary(NAMES[i]);
	loaded = true;
	}
	catch (Throwable t) {
	if (t instanceof ThreadDeath) {
	throw (ThreadDeath) t;
	}
	if (t instanceof VirtualMachineError) {
	throw (VirtualMachineError) t;
	}
	String name = System.mapLibraryName(NAMES[i]);
	String path = System.getProperty("java.library.path");
	String sep = System.getProperty("path.separator");
	String [] paths = path.split(sep);
	for (int j=0; j<paths.length; j++) {
	java.io.File fd = new java.io.File(paths[j] , name);
	if (fd.exists()) {
	t.printStackTrace();
	}
	}
	if ( i > 0)
	err.append(", ");
	err.append(t.getMessage());
	}
	if (loaded)
	break;
	}
	if (!loaded) {
	err.append('(');
	err.append(System.getProperty("java.library.path"));
	err.append(')');
	throw new UnsatisfiedLinkError(err.toString());
	}
	}

	private Library(String libraryName)
	{
	System.loadLibrary(libraryName);
	}

	/* create global TCN's APR pool
	* This has to be the first call to TCN library.
	*/
	private static native boolean initialize();
	/* destroy global TCN's APR pool
	* This has to be the last call to TCN library.
	*/
	public static native void terminate();
	/* Internal function for loading APR Features */
	private static native boolean has(int what);
	/* Internal function for loading APR Features */
	private static native int version(int what);
	/* Internal function for loading APR sizes */
	private static native int size(int what);

	/* TCN_MAJOR_VERSION */
	public static int TCN_MAJOR_VERSION = 0;
	/* TCN_MINOR_VERSION */
	public static int TCN_MINOR_VERSION = 0;
	/* TCN_PATCH_VERSION */
	public static int TCN_PATCH_VERSION = 0;
	/* TCN_IS_DEV_VERSION */
	public static int TCN_IS_DEV_VERSION = 0;
	/* APR_MAJOR_VERSION */
	public static int APR_MAJOR_VERSION = 0;
	/* APR_MINOR_VERSION */
	public static int APR_MINOR_VERSION = 0;
	/* APR_PATCH_VERSION */
	public static int APR_PATCH_VERSION = 0;
	/* APR_IS_DEV_VERSION */
	public static int APR_IS_DEV_VERSION = 0;

	/* TCN_VERSION_STRING */
	public static native String versionString();
	/* APR_VERSION_STRING */
	public static native String aprVersionString();

	/* APR Feature Macros */
	public static boolean APR_HAVE_IPV6 = false;
	public static boolean APR_HAS_SHARED_MEMORY = false;
	public static boolean APR_HAS_THREADS = false;
	public static boolean APR_HAS_SENDFILE = false;
	public static boolean APR_HAS_MMAP = false;
	public static boolean APR_HAS_FORK = false;
	public static boolean APR_HAS_RANDOM = false;
	public static boolean APR_HAS_OTHER_CHILD = false;
	public static boolean APR_HAS_DSO = false;
	public static boolean APR_HAS_SO_ACCEPTFILTER = false;
	public static boolean APR_HAS_UNICODE_FS = false;
	public static boolean APR_HAS_PROC_INVOKED = false;
	public static boolean APR_HAS_USER = false;
	public static boolean APR_HAS_LARGE_FILES = false;
	public static boolean APR_HAS_XTHREAD_FILES = false;
	public static boolean APR_HAS_OS_UUID = false;
	/* Are we big endian? */
	public static boolean APR_IS_BIGENDIAN = false;
	/* APR sets APR_FILES_AS_SOCKETS to 1 on systems where it is possible
	* to poll on files/pipes.
	*/
	public static boolean APR_FILES_AS_SOCKETS = false;
	/* This macro indicates whether or not EBCDIC is the native character set.
	*/
	public static boolean APR_CHARSET_EBCDIC = false;
	/* Is the TCP_NODELAY socket option inherited from listening sockets?
	*/
	public static boolean APR_TCP_NODELAY_INHERITED = false;
	/* Is the O_NONBLOCK flag inherited from listening sockets?
	*/
	public static boolean APR_O_NONBLOCK_INHERITED = false;


	public static int APR_SIZEOF_VOIDP;
	public static int APR_PATH_MAX;
	public static int APRMAXHOSTLEN;
	public static int APR_MAX_IOVEC_SIZE;
	public static int APR_MAX_SECS_TO_LINGER;
	public static int APR_MMAP_THRESHOLD;
	public static int APR_MMAP_LIMIT;

	/* return global TCN's APR pool */
	public static native long globalPool();

	/**
	* Setup any APR internal data structures. This MUST be the first function
	* called for any APR library.
	* @param libraryName the name of the library to load
	*/
	public static boolean initialize(String libraryName)
	throws Exception
	{
	if (_instance == null) {
	if (libraryName == null)
	_instance = new Library();
	else
	_instance = new Library(libraryName);
	TCN_MAJOR_VERSION = version(0x01);
	TCN_MINOR_VERSION = version(0x02);
	TCN_PATCH_VERSION = version(0x03);
	TCN_IS_DEV_VERSION = version(0x04);
	APR_MAJOR_VERSION = version(0x11);
	APR_MINOR_VERSION = version(0x12);
	APR_PATCH_VERSION = version(0x13);
	APR_IS_DEV_VERSION = version(0x14);

	APR_SIZEOF_VOIDP = size(1);
	APR_PATH_MAX = size(2);
	APRMAXHOSTLEN = size(3);
	APR_MAX_IOVEC_SIZE = size(4);
	APR_MAX_SECS_TO_LINGER = size(5);
	APR_MMAP_THRESHOLD = size(6);
	APR_MMAP_LIMIT = size(7);

	APR_HAVE_IPV6 = has(0);
	APR_HAS_SHARED_MEMORY = has(1);
	APR_HAS_THREADS = has(2);
	APR_HAS_SENDFILE = has(3);
	APR_HAS_MMAP = has(4);
	APR_HAS_FORK = has(5);
	APR_HAS_RANDOM = has(6);
	APR_HAS_OTHER_CHILD = has(7);
	APR_HAS_DSO = has(8);
	APR_HAS_SO_ACCEPTFILTER = has(9);
	APR_HAS_UNICODE_FS = has(10);
	APR_HAS_PROC_INVOKED = has(11);
	APR_HAS_USER = has(12);
	APR_HAS_LARGE_FILES = has(13);
	APR_HAS_XTHREAD_FILES = has(14);
	APR_HAS_OS_UUID = has(15);
	APR_IS_BIGENDIAN = has(16);
	APR_FILES_AS_SOCKETS = has(17);
	APR_CHARSET_EBCDIC = has(18);
	APR_TCP_NODELAY_INHERITED = has(19);
	APR_O_NONBLOCK_INHERITED = has(20);
	if (APR_MAJOR_VERSION < 1) {
	throw new UnsatisfiedLinkError("Unsupported APR Version (" +
	aprVersionString() + ")");
	}
	if (!APR_HAS_THREADS) {
	throw new UnsatisfiedLinkError("Missing APR_HAS_THREADS");
	}
	}
	return initialize();
	}
	}