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package jogamp.common.os;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;
import java.security.AccessController;
import java.security.PrivilegedAction;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.os.AndroidVersion;
import com.jogamp.common.os.Platform;
import com.jogamp.common.os.Platform.ABIType;
import com.jogamp.common.os.Platform.CPUFamily;
import com.jogamp.common.os.Platform.CPUType;
import com.jogamp.common.os.Platform.OSType;
import com.jogamp.common.util.VersionNumber;
/**
* Abstract parent class of {@link Platform} initializing and holding
* platform information, which are initialized independent
* of other classes.
* <p>
* This class is not intended to be exposed in the public namespace
* and solely exist to solve initialization interdependencies.<br>
* Please use {@link Platform} to access the public fields!
* </p>
*/
public abstract class PlatformPropsImpl {
//
// static initialization order:
//
/** Version 1.6. As a JVM version, it enables certain JVM 1. features. */
public static final VersionNumber Version16;
public static final String OS;
public static final String OS_lower;
public static final String OS_VERSION;
public static final VersionNumber OS_VERSION_NUMBER;
public static final String ARCH;
public static final String ARCH_lower;
public static final String JAVA_VENDOR;
public static final String JAVA_VENDOR_URL;
public static final String JAVA_VERSION;
public static final VersionNumber JAVA_VERSION_NUMBER;
public static final String JAVA_VM_NAME;
public static final String JAVA_RUNTIME_NAME;
/** True if having {@link java.nio.LongBuffer} and {@link java.nio.DoubleBuffer} available. */
public static final boolean JAVA_SE;
/** True if being compatible w/ language level 6, e.g. JRE 1.6. Implies {@link #JAVA_SE}. <i>Note</i>: We claim Android is compatible. */
public static final boolean JAVA_6;
public static final String NEWLINE;
public static final boolean LITTLE_ENDIAN;
public static final CPUType CPU_ARCH;
public static final ABIType ABI_TYPE;
public static final OSType OS_TYPE;
public static final String os_and_arch;
static {
Version16 = new VersionNumber(1, 6, 0);
// We don't seem to need an AccessController.doPrivileged() block
// here as these system properties are visible even to unsigned Applets.
OS = System.getProperty("os.name");
OS_lower = OS.toLowerCase();
OS_VERSION = System.getProperty("os.version");
OS_VERSION_NUMBER = new VersionNumber(OS_VERSION, ".");
ARCH = System.getProperty("os.arch");
ARCH_lower = ARCH.toLowerCase();
JAVA_VENDOR = System.getProperty("java.vendor");
JAVA_VENDOR_URL = System.getProperty("java.vendor.url");
JAVA_VERSION = System.getProperty("java.version");
JAVA_VERSION_NUMBER = new VersionNumber(JAVA_VERSION, ".");
JAVA_VM_NAME = System.getProperty("java.vm.name");
JAVA_RUNTIME_NAME = getJavaRuntimeNameImpl();
JAVA_SE = initIsJavaSE();
JAVA_6 = JAVA_SE && ( AndroidVersion.isAvailable || JAVA_VERSION_NUMBER.compareTo(Version16) >= 0 ) ;
NEWLINE = System.getProperty("line.separator");
LITTLE_ENDIAN = queryIsLittleEndianImpl();
CPU_ARCH = getCPUTypeImpl(ARCH_lower);
ABI_TYPE = guessABITypeImpl(CPU_ARCH);
OS_TYPE = getOSTypeImpl();
os_and_arch = getOSAndArch(OS_TYPE, CPU_ARCH, ABI_TYPE);
}
protected PlatformPropsImpl() {}
private static final String getJavaRuntimeNameImpl() {
// the fast path, check property Java SE instead of traversing through the ClassLoader
return AccessController.doPrivileged(new PrivilegedAction<String>() {
public String run() {
return System.getProperty("java.runtime.name");
}
});
}
private static final boolean initIsJavaSE() {
if( null != JAVA_RUNTIME_NAME && JAVA_RUNTIME_NAME.indexOf("Java SE") != -1) {
return true;
}
// probe for classes we need on a SE environment
try {
Class.forName("java.nio.LongBuffer");
Class.forName("java.nio.DoubleBuffer");
return true;
} catch(ClassNotFoundException ex) {
// continue with Java SE check
}
return false;
}
private static final boolean queryIsLittleEndianImpl() {
ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order
IntBuffer tst_i = tst_b.asIntBuffer();
ShortBuffer tst_s = tst_b.asShortBuffer();
tst_i.put(0, 0x0A0B0C0D);
return 0x0C0D == tst_s.get(0);
}
private static final CPUType getCPUTypeImpl(String archLower) {
if( archLower.equals("x86") ||
archLower.equals("i386") ||
archLower.equals("i486") ||
archLower.equals("i586") ||
archLower.equals("i686") ) {
return CPUType.X86_32;
} else if( archLower.equals("x86_64") ||
archLower.equals("amd64") ) {
return CPUType.X86_64;
} else if( archLower.equals("ia64") ) {
return CPUType.IA64;
} else if( archLower.equals("arm") ) {
return CPUType.ARM;
} else if( archLower.equals("armv5l") ) {
return CPUType.ARMv5;
} else if( archLower.equals("armv6l") ) {
return CPUType.ARMv6;
} else if( archLower.equals("armv7l") ) {
return CPUType.ARMv7;
} else if( archLower.equals("sparc") ) {
return CPUType.SPARC_32;
} else if( archLower.equals("sparcv9") ) {
return CPUType.SPARCV9_64;
} else if( archLower.equals("pa_risc2.0") ) {
return CPUType.PA_RISC2_0;
} else if( archLower.equals("ppc") ) {
return CPUType.PPC;
} else {
throw new RuntimeException("Please port CPU detection to your platform (" + OS_lower + "/" + archLower + ")");
}
}
private static final boolean contains(String data, String[] search) {
if(null != data && null != search) {
for(int i=0; i<search.length; i++) {
if(data.indexOf(search[i]) >= 0) {
return true;
}
}
}
return false;
}
private static final ABIType guessABITypeImpl(CPUType cpuType) {
if(CPUFamily.ARM != cpuType.family) {
return ABIType.GENERIC_ABI;
}
return AccessController.doPrivileged(new PrivilegedAction<ABIType>() {
private final String[] gnueabihf = new String[] { "gnueabihf", "armhf" };
public ABIType run() {
if ( contains(System.getProperty("sun.boot.library.path"), gnueabihf) ||
contains(System.getProperty("java.library.path"), gnueabihf) ||
contains(System.getProperty("java.home"), gnueabihf) ) {
return ABIType.EABI_GNU_ARMHF;
}
return ABIType.EABI_GNU_ARMEL;
} } );
}
private static final OSType getOSTypeImpl() throws RuntimeException {
if ( AndroidVersion.isAvailable ) {
return OSType.ANDROID;
}
if ( OS_lower.startsWith("linux") ) {
return OSType.LINUX;
}
if ( OS_lower.startsWith("freebsd") ) {
return OSType.FREEBSD;
}
if ( OS_lower.startsWith("android") ) {
return OSType.ANDROID;
}
if ( OS_lower.startsWith("mac os x") ||
OS_lower.startsWith("darwin") ) {
return OSType.MACOS;
}
if ( OS_lower.startsWith("sunos") ) {
return OSType.SUNOS;
}
if ( OS_lower.startsWith("hp-ux") ) {
return OSType.HPUX;
}
if ( OS_lower.startsWith("windows") ) {
return OSType.WINDOWS;
}
if ( OS_lower.startsWith("kd") ) {
return OSType.OPENKODE;
}
throw new RuntimeException("Please port OS detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
}
/**
* kick off static initialization of <i>platform property information</i>
*/
public static void initSingleton() { }
/**
* Returns the GlueGen common name for the given OSType and CPUType
* as implemented in the build system in 'gluegen-cpptasks-base.xml'.<br>
*
* A list of currently supported <code>os.and.arch</code> strings:
* <ul>
* <li>freebsd-i586</li>
* <li>freebsd-amd64</li>
* <li>hpux-hppa</li>
* <li>linux-amd64</li>
* <li>linux-ia64</li>
* <li>linux-i586</li>
* <li>linux-armv6</li>
* <li>android-armv6</li>
* <li>macosx-universal</li>
* <li>solaris-sparc</li>
* <li>solaris-sparcv9</li>
* <li>solaris-amd64</li>
* <li>solaris-i586</li>
* <li>windows-amd64</li>
* <li>windows-i586</li>
* </ul>
* @return
*/
public static final String getOSAndArch(OSType osType, CPUType cpuType, ABIType abiType) {
String _os_and_arch;
switch( cpuType ) {
case X86_32:
_os_and_arch = "i586";
break;
case ARM:
_os_and_arch = "armv6"; // TODO: sync with gluegen-cpptasks-base.xml
break;
case ARMv5:
_os_and_arch = "armv6";
break;
case ARMv6:
_os_and_arch = "armv6";
break;
case ARMv7:
_os_and_arch = "armv6";
break;
case SPARC_32:
_os_and_arch = "sparc";
break;
case PPC:
_os_and_arch = "ppc"; // TODO: sync with gluegen-cpptasks-base.xml
break;
case X86_64:
_os_and_arch = "amd64";
break;
case IA64:
_os_and_arch = "ia64";
break;
case SPARCV9_64:
_os_and_arch = "sparcv9";
break;
case PA_RISC2_0:
_os_and_arch = "risc2.0"; // TODO: sync with gluegen-cpptasks-base.xml
break;
default:
throw new InternalError("Complete case block");
}
if( ABIType.EABI_GNU_ARMHF == abiType ) {
_os_and_arch = _os_and_arch + "hf" ;
}
switch( osType ) {
case ANDROID:
_os_and_arch = "android-" + _os_and_arch;
break;
case MACOS:
_os_and_arch = "macosx-universal";
break;
case WINDOWS:
_os_and_arch = "windows-" + _os_and_arch;
break;
case OPENKODE:
_os_and_arch = "openkode-" + _os_and_arch; // TODO: think about that
break;
case LINUX:
_os_and_arch = "linux-" + _os_and_arch;
break;
case FREEBSD:
_os_and_arch = "freebsd-" + _os_and_arch;
break;
case SUNOS:
_os_and_arch = "solaris-" + _os_and_arch;
break;
case HPUX:
_os_and_arch = "hpux-hppa"; // TODO: really only hppa ?
break;
default:
throw new InternalError("Complete case block");
}
return _os_and_arch;
}
}
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