+++ /dev/null
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-package com.ceph.fs;
-
-class CephNativeLoader {
- private static final CephNativeLoader instance = new CephNativeLoader();
- private static boolean initialized = false;
-
- private static final String JNI_PATH_ENV_VAR = "CEPH_JNI_PATH";
- private static final String LIBRARY_NAME = "cephfs_jni";
- private static final String LIBRARY_FILE = "libcephfs_jni.so";
-
- private CephNativeLoader() {}
-
- public static CephNativeLoader getInstance() {
- return instance;
- }
-
- public synchronized void loadLibrary() {
- if (initialized)
- return;
-
- boolean success = false;
-
- /*
- * Allow a Ceph specific environment variable to force
- * the loading path.
- */
- String path = System.getenv(JNI_PATH_ENV_VAR);
- try {
- if (path != null) {
- System.out.println("Loading libcephfs-jni: " + path);
- System.load(path);
- success = true;
- } else {
- try {
- /*
- * Try default Java loading path(s)
- */
- System.out.println("Loading libcephfs-jni from default path: " +
- System.getProperty("java.library.path"));
- System.loadLibrary(LIBRARY_NAME);
- success = true;
- } catch (final UnsatisfiedLinkError ule1) {
- try {
- /*
- * Try RHEL/CentOS default path
- */
- path = "/usr/lib64/" + LIBRARY_FILE;
- System.out.println("Loading libcephfs-jni: " + path);
- System.load(path);
- success = true;
- } catch (final UnsatisfiedLinkError ule2) {
- /*
- * Try Ubuntu default path
- */
- path = "/usr/lib/jni/" + LIBRARY_FILE;
- System.out.println("Loading libcephfs-jni: " + path);
- System.load(path);
- success = true;
- }
- }
- }
- } finally {
- System.out.println("Loading libcephfs-jni: " +
- (success ? "Success!" : "Failure!"));
- }
-
- /*
- * Finish initialization
- */
- CephMount.native_initialize();
- initialized = true;
- }
-
-}