Method getNativeLibsDir

core/src/main/java/io/questdb/std/Os.java:276–308

(String libName)

    }

    @Nullable
    public static String getNativeLibsDir(String libName) {
        // the property name must be synced with questdb.sh and docker-entrypoint.sh
        String libsDir = System.getProperty("questdb.libs.dir");
        if (libsDir != null) {
            // hooray, we are running from a distribution and the lib dir was set explicitly!
            return libsDir;
        }

        // let's try to detect the lib location
        if (!isJlinkRuntime()) {
            // we are not in a jlink-ed runtime image -> we have to extract the native libs from the jar
            return null;
        }

        // In jlink-ed runtime images, java.home points to the runtime image root,
        // modules and native libs are in $JAVA_HOME/lib/
        String javaHome = System.getProperty("java.home");
        if (javaHome == null) {
            return null;
        }

        java.nio.file.Path libDir = Paths.get(javaHome, "lib");
        if (!libDir.toFile().isDirectory()) {
            return null;
        }

        java.nio.file.Path libPath = libDir.resolve(libName);
        if (!libPath.toFile().exists()) {
            return null;
        }
        return libDir.toString();
    }

    private static boolean tryLoadFromDistribution(String cxxLibName, String rustLibName) {
        String libsDir = getNativeLibsDir(cxxLibName);