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org.sqlite.util.OSInfo Maven / Gradle / Ivy
/*--------------------------------------------------------------------------
* Copyright 2008 Taro L. Saito
*
* Licensed 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.
*--------------------------------------------------------------------------*/
// --------------------------------------
// sqlite-jdbc Project
//
// OSInfo.java
// Since: May 20, 2008
//
// $URL$
// $Author$
// --------------------------------------
package org.sqlite.util;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Locale;
import java.util.stream.Stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Provides OS name and architecture name.
*
* @author leo
*/
public class OSInfo {
protected static ProcessRunner processRunner = new ProcessRunner();
private static final HashMap archMapping = new HashMap<>();
public static final String X86 = "x86";
public static final String X86_64 = "x86_64";
public static final String IA64_32 = "ia64_32";
public static final String IA64 = "ia64";
public static final String PPC = "ppc";
public static final String PPC64 = "ppc64";
static {
// x86 mappings
archMapping.put(X86, X86);
archMapping.put("i386", X86);
archMapping.put("i486", X86);
archMapping.put("i586", X86);
archMapping.put("i686", X86);
archMapping.put("pentium", X86);
// x86_64 mappings
archMapping.put(X86_64, X86_64);
archMapping.put("amd64", X86_64);
archMapping.put("em64t", X86_64);
archMapping.put("universal", X86_64); // Needed for openjdk7 in Mac
// Itanium 64-bit mappings
archMapping.put(IA64, IA64);
archMapping.put("ia64w", IA64);
// Itanium 32-bit mappings, usually an HP-UX construct
archMapping.put(IA64_32, IA64_32);
archMapping.put("ia64n", IA64_32);
// PowerPC mappings
archMapping.put(PPC, PPC);
archMapping.put("power", PPC);
archMapping.put("powerpc", PPC);
archMapping.put("power_pc", PPC);
archMapping.put("power_rs", PPC);
// TODO: PowerPC 64bit mappings
archMapping.put(PPC64, PPC64);
archMapping.put("power64", PPC64);
archMapping.put("powerpc64", PPC64);
archMapping.put("power_pc64", PPC64);
archMapping.put("power_rs64", PPC64);
archMapping.put("ppc64el", PPC64);
archMapping.put("ppc64le", PPC64);
}
public static void main(String[] args) {
if (args.length >= 1) {
if ("--os".equals(args[0])) {
System.out.print(getOSName());
return;
} else if ("--arch".equals(args[0])) {
System.out.print(getArchName());
return;
}
}
System.out.print(getNativeLibFolderPathForCurrentOS());
}
public static String getNativeLibFolderPathForCurrentOS() {
return getOSName() + "/" + getArchName();
}
public static String getOSName() {
return translateOSNameToFolderName(System.getProperty("os.name"));
}
public static boolean isAndroid() {
return isAndroidRuntime() || isAndroidTermux();
}
public static boolean isAndroidRuntime() {
return System.getProperty("java.runtime.name", "").toLowerCase().contains("android");
}
public static boolean isAndroidTermux() {
try {
return processRunner.runAndWaitFor("uname -o").toLowerCase().contains("android");
} catch (Exception ignored) {
return false;
}
}
public static boolean isMusl() {
Path mapFilesDir = Paths.get("/proc/self/map_files");
try (Stream dirStream = Files.list(mapFilesDir)) {
return dirStream
.map(
path -> {
try {
return path.toRealPath().toString();
} catch (IOException e) {
return "";
}
})
.anyMatch(s -> s.toLowerCase().contains("musl"));
} catch (Exception ignored) {
// fall back to checking for alpine linux in the event we're using an older kernel which
// may not fail the above check
return isAlpineLinux();
}
}
private static boolean isAlpineLinux() {
try (Stream osLines = Files.lines(Paths.get("/etc/os-release"))) {
return osLines.anyMatch(l -> l.startsWith("ID") && l.contains("alpine"));
} catch (Exception ignored2) {
}
return false;
}
static String getHardwareName() {
try {
return processRunner.runAndWaitFor("uname -m");
} catch (Throwable e) {
LogHolder.logger.error("Error while running uname -m", e);
return "unknown";
}
}
static String resolveArmArchType() {
if (System.getProperty("os.name").contains("Linux")) {
String armType = getHardwareName();
// armType (uname -m) can be armv5t, armv5te, armv5tej, armv5tejl, armv6, armv7, armv7l,
// aarch64, i686
// for Android, we fold everything that is not aarch64 into arm
if (isAndroid()) {
if (armType.startsWith("aarch64")) {
// Use arm64
return "aarch64";
} else {
return "arm";
}
}
if (armType.startsWith("armv6")) {
// Raspberry PI
return "armv6";
} else if (armType.startsWith("armv7")) {
// Generic
return "armv7";
} else if (armType.startsWith("armv5")) {
// Use armv5, soft-float ABI
return "arm";
} else if (armType.startsWith("aarch64")) {
// Use arm64
return "aarch64";
}
// Java 1.8 introduces a system property to determine armel or armhf
// http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8005545
String abi = System.getProperty("sun.arch.abi");
if (abi != null && abi.startsWith("gnueabihf")) {
return "armv7";
}
// For java7, we still need to run some shell commands to determine ABI of JVM
String javaHome = System.getProperty("java.home");
try {
// determine if first JVM found uses ARM hard-float ABI
int exitCode = Runtime.getRuntime().exec("which readelf").waitFor();
if (exitCode == 0) {
String[] cmdarray = {
"/bin/sh",
"-c",
"find '"
+ javaHome
+ "' -name 'libjvm.so' | head -1 | xargs readelf -A | "
+ "grep 'Tag_ABI_VFP_args: VFP registers'"
};
exitCode = Runtime.getRuntime().exec(cmdarray).waitFor();
if (exitCode == 0) {
return "armv7";
}
} else {
LogHolder.logger.warn(
"readelf not found. Cannot check if running on an armhf system, armel architecture will be presumed");
}
} catch (IOException | InterruptedException e) {
// ignored: fall back to "arm" arch (soft-float ABI)
}
}
// Use armv5, soft-float ABI
return "arm";
}
public static String getArchName() {
String override = System.getProperty("org.sqlite.osinfo.architecture");
if (override != null) {
return override;
}
String osArch = System.getProperty("os.arch");
if (osArch.startsWith("arm")) {
osArch = resolveArmArchType();
} else {
String lc = osArch.toLowerCase(Locale.US);
if (archMapping.containsKey(lc)) return archMapping.get(lc);
}
return translateArchNameToFolderName(osArch);
}
static String translateOSNameToFolderName(String osName) {
if (osName.contains("Windows")) {
return "Windows";
} else if (osName.contains("Mac") || osName.contains("Darwin")) {
return "Mac";
} else if (osName.contains("AIX")) {
return "AIX";
} else if (isMusl()) {
return "Linux-Musl";
} else if (isAndroid()) {
return "Linux-Android";
} else if (osName.contains("Linux")) {
return "Linux";
} else {
return osName.replaceAll("\\W", "");
}
}
static String translateArchNameToFolderName(String archName) {
return archName.replaceAll("\\W", "");
}
/**
* Class-wrapper around the logger object to avoid build-time initialization of the logging
* framework in native-image
*/
private static class LogHolder {
private static final Logger logger = LoggerFactory.getLogger(OSInfo.class);
}
}
