Remove code-duplication from NativeLibraryLoader
Motivation: NativeLibraryLoader has some code-duplication that can be removed. Modifications: Remove duplicated code and just use provided methods of PlatformDependent. Result: Less code duplication, fixes [#3756].
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@ -31,7 +31,6 @@ import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.util.Arrays;
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import java.util.EnumSet;
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import java.util.Locale;
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import java.util.Set;
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/**
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@ -43,13 +42,10 @@ public final class NativeLibraryLoader {
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private static final InternalLogger logger = InternalLoggerFactory.getInstance(NativeLibraryLoader.class);
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private static final String NATIVE_RESOURCE_HOME = "META-INF/native/";
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private static final String OSNAME;
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private static final File WORKDIR;
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private static final boolean DELETE_NATIVE_LIB_AFTER_LOADING;
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static {
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OSNAME = SystemPropertyUtil.get("os.name", "").toLowerCase(Locale.US).replaceAll("[^a-z0-9]+", "");
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String workdir = SystemPropertyUtil.get("io.netty.native.workdir");
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if (workdir != null) {
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File f = new File(workdir);
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@ -64,7 +60,7 @@ public final class NativeLibraryLoader {
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WORKDIR = f;
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logger.debug("-Dio.netty.native.workdir: " + WORKDIR);
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} else {
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WORKDIR = tmpdir();
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WORKDIR = PlatformDependent.tmpdir();
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logger.debug("-Dio.netty.native.workdir: " + WORKDIR + " (io.netty.tmpdir)");
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}
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@ -72,93 +68,6 @@ public final class NativeLibraryLoader {
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"io.netty.native.deleteLibAfterLoading", true);
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}
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private static File tmpdir() {
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File f;
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try {
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f = toDirectory(SystemPropertyUtil.get("io.netty.tmpdir"));
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f);
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return f;
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}
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f = toDirectory(SystemPropertyUtil.get("java.io.tmpdir"));
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f + " (java.io.tmpdir)");
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return f;
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}
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// This shouldn't happen, but just in case ..
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if (isWindows()) {
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f = toDirectory(System.getenv("TEMP"));
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f + " (%TEMP%)");
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return f;
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}
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String userprofile = System.getenv("USERPROFILE");
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if (userprofile != null) {
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f = toDirectory(userprofile + "\\AppData\\Local\\Temp");
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f + " (%USERPROFILE%\\AppData\\Local\\Temp)");
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return f;
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}
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f = toDirectory(userprofile + "\\Local Settings\\Temp");
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f + " (%USERPROFILE%\\Local Settings\\Temp)");
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return f;
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}
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}
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} else {
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f = toDirectory(System.getenv("TMPDIR"));
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if (f != null) {
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logger.debug("-Dio.netty.tmpdir: " + f + " ($TMPDIR)");
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return f;
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}
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}
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} catch (Exception ignored) {
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// Environment variable inaccessible
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}
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// Last resort.
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if (isWindows()) {
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f = new File("C:\\Windows\\Temp");
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} else {
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f = new File("/tmp");
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}
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logger.warn("Failed to get the temporary directory; falling back to: " + f);
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return f;
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}
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@SuppressWarnings("ResultOfMethodCallIgnored")
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private static File toDirectory(String path) {
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if (path == null) {
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return null;
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}
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File f = new File(path);
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f.mkdirs();
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if (!f.isDirectory()) {
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return null;
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}
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try {
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return f.getAbsoluteFile();
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} catch (Exception ignored) {
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return f;
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}
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}
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private static boolean isWindows() {
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return OSNAME.startsWith("windows");
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}
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private static boolean isOSX() {
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return OSNAME.startsWith("macosx") || OSNAME.startsWith("osx");
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}
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/**
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* Loads the first available library in the collection with the specified
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* {@link ClassLoader}.
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@ -208,7 +117,7 @@ public final class NativeLibraryLoader {
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String path = NATIVE_RESOURCE_HOME + libname;
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URL url = loader.getResource(path);
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if (url == null && isOSX()) {
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if (url == null && PlatformDependent.isOsx()) {
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if (path.endsWith(".jnilib")) {
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url = loader.getResource(NATIVE_RESOURCE_HOME + "lib" + name + ".dynlib");
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} else {
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@ -72,6 +72,8 @@ public final class PlatformDependent {
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"\\s*-XX:MaxDirectMemorySize\\s*=\\s*([0-9]+)\\s*([kKmMgG]?)\\s*$");
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private static final boolean IS_WINDOWS = isWindows0();
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private static final boolean IS_OSX = isOsx0();
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private static final boolean MAYBE_SUPER_USER;
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private static final boolean CAN_ENABLE_TCP_NODELAY_BY_DEFAULT = !isAndroid();
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@ -207,6 +209,13 @@ public final class PlatformDependent {
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return IS_WINDOWS;
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}
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/**
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* Return {@code true} if the JVM is running on OSX / MacOS
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*/
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public static boolean isOsx() {
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return IS_OSX;
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}
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/**
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* Return {@code true} if the current user may be a super-user. Be aware that this is just an hint and so it may
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* return false-positives.
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@ -923,6 +932,16 @@ public final class PlatformDependent {
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return windows;
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}
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private static boolean isOsx0() {
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String osname = SystemPropertyUtil.get("os.name", "").toLowerCase(Locale.US);
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boolean osx = osname.startsWith("macosx") || osname.startsWith("osx");
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if (osx) {
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logger.debug("Platform: MacOS");
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}
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return osx;
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}
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private static boolean maybeSuperUser0() {
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String username = SystemPropertyUtil.get("user.name");
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if (isWindows()) {
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