/** {@inheritDoc} */
@Override
public long[][] getProcessorCpuLoadTicks() {
long[][] ticks = new long[logicalProcessorCount][4];
int machPort = SystemB.INSTANCE.mach_host_self();
IntByReference procCount = new IntByReference();
PointerByReference procCpuLoadInfo = new PointerByReference();
IntByReference procInfoCount = new IntByReference();
if (0
!= SystemB.INSTANCE.host_processor_info(
machPort, SystemB.PROCESSOR_CPU_LOAD_INFO, procCount, procCpuLoadInfo, procInfoCount)) {
LOG.error("Failed to update CPU Load. Error code: " + Native.getLastError());
return ticks;
}
int[] cpuTicks = procCpuLoadInfo.getValue().getIntArray(0, procInfoCount.getValue());
for (int cpu = 0; cpu < procCount.getValue(); cpu++) {
for (int j = 0; j < 4; j++) {
int offset = cpu * SystemB.CPU_STATE_MAX;
ticks[cpu][0] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_USER]);
ticks[cpu][1] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_NICE]);
ticks[cpu][2] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_SYSTEM]);
ticks[cpu][3] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_IDLE]);
}
}
return ticks;
}
private FileSystemWatcher() {
cf = (CoreFoundation) Native.loadLibrary("CoreFoundation", CoreFoundation.class); // NOI18N
cs = (CoreServices) Native.loadLibrary("CoreServices", CoreServices.class); // NOI18N
callback = new EventCallbackImpl();
events = new LinkedBlockingQueue<Event>();
listensOn = new ConcurrentHashMap<String, Key>();
}
/**
* Uses JNA to retrieve the module file name of a program and parses it as a string which is then
* passed to the InterruptionLogic class.
*/
private void getProgramIdentifier() {
PSAPI psapi = (PSAPI) Native.loadLibrary("psapi", PSAPI.class);
HWND focusedWindow = User32.INSTANCE.GetForegroundWindow();
byte[] name = new byte[1024];
IntByReference pid = new IntByReference();
User32.INSTANCE.GetWindowThreadProcessId(focusedWindow, pid);
System.out.println("pid = " + pid.getValue());
HANDLE process = Kernel32.INSTANCE.OpenProcess(0x0400 | 0x0010, false, pid.getValue());
// Initally I was using the 'GetWindowModuleFileName' which provided
// erronous behaviour. 'technomage' on Stackoverflow pointed out that
// the method that should be used is 'GetModuleFileNameEx' -
// http://stackoverflow.com/questions/15693210/getmodulefilename-for-window-in-focus-jna-windows-os
psapi.GetModuleFileNameExA(process, null, name, 1024);
String nameString = Native.toString(name);
System.out.println(nameString);
interruptDec.interruptNow(nameString);
}
public interface User32 extends W32APIOptions {
public static final String SHELL_TRAY_WND = "Shell_TrayWnd";
public static final int WM_COMMAND = 0x111;
public static final int MIN_ALL = 0x1a3;
public static final int MIN_ALL_UNDO = 0x1a0;
User32 INSTANCE = (User32) Native.loadLibrary("user32", User32.class);
HWND GetForegroundWindow(); // add this
int GetWindowTextA(PointerType hWnd, byte[] lpString, int nMaxCount);
User32 instance = (User32) Native.loadLibrary("user32", User32.class, DEFAULT_OPTIONS);
HWND FindWindow(String winClass, String title);
long SendMessageA(HWND hWnd, int msg, int num1, int num2);
boolean IsWindowVisible(int hWnd);
int GetWindowRect(int hWnd, RECT r);
void GetWindowTextA(int hWnd, byte[] buffer, int buflen);
int GetTopWindow(int hWnd);
int GetWindow(int hWnd, int flag);
final int GW_HWNDNEXT = 2;
}
static {
if (SystemUtils.IS_OS_LINUX) {
try {
libappindicator = (AppIndicator) Native.loadLibrary("appindicator", AppIndicator.class);
libgtk = (Gtk) Native.loadLibrary("gtk-x11-2.0", Gtk.class);
libgobject = (Gobject) Native.loadLibrary("gobject-2.0", Gobject.class);
libglib = (Glib) Native.loadLibrary("glib-2.0", Glib.class);
// libunique = (Unique) Native.loadLibrary("unique-3.0", Unique.class);
} catch (final Throwable ex) {
LOG.warn("no supported version of appindicator libs found", ex);
}
}
}
/**
* Retrieve the PassThru device firmware version, DLL version, and the J2534 implementation
* version.
*
* @param deviceId - of PassThru device
* @return an instance of <b>Version</b>
* @see Version
*/
public Version readVersion(int deviceId) {
ByteBuffer pFirmwareVersion = ByteBuffer.allocate(80);
ByteBuffer pDllVersion = ByteBuffer.allocate(80);
ByteBuffer pApiVersion = ByteBuffer.allocate(80);
NativeLong ret =
lib.PassThruReadVersion(
new NativeLong(deviceId), pFirmwareVersion, pDllVersion, pApiVersion);
if (ret.intValue() != Status.NOERROR.getValue())
handleError("PassThruReadVersion", ret.intValue());
return new Version(
Native.toString(pFirmwareVersion.array()),
Native.toString(pDllVersion.array()),
Native.toString(pApiVersion.array()));
}
public WindowInfo(HWND hWnd, boolean isChild) {
byte[] buffer = new byte[1024];
User32.instance.GetWindowTextA(hWnd, buffer, buffer.length);
title = Native.toString(buffer);
char[] buffer2 = new char[1026];
User32.instance.GetClassName(hWnd, buffer2, 1026);
className = Native.toString(buffer2);
rect = new RECT();
User32.instance.GetWindowRect(hWnd, rect);
this.isChild = isChild;
}
// deve saber se win ou linux
public static IComunicacaoSensores getConector() {
IComunicacaoSensores conector = null;
if (Platform.isWindows()) {
conector =
(IComunicacaoSensores)
Native.loadLibrary("comunicacaosensores.dll", IComunicacaoSensores.class);
} else if (Platform.isLinux()) {
conector =
(IComunicacaoSensores)
Native.loadLibrary("comunicacaosensores.so", IComunicacaoSensores.class);
}
return conector;
}
// 定义接口CLibrary，继承自com.sun.jna.Library
public interface CLibrary extends Library {
// 定义并初始化接口的静态变量 这一个语句是来加载 dll 的， 注意 dll 文件的路径
// 可以是绝对路径也可以是相对路径，只需要填写 dll 的文件名，不能加后缀
CLibrary Instance =
(CLibrary)
Native.loadLibrary(System.getProperty("user.dir") + "\\source\\NLPIR", CLibrary.class);
// 初始化函数声明
public int NLPIR_Init(String sDataPath, int encoding, String sLicenceCode);
// 执行分词函数声明
public String NLPIR_ParagraphProcess(String sSrc, int bPOSTagged);
// 提取关键词函数声明
public String NLPIR_GetKeyWords(String sLine, int nMaxKeyLimit, boolean bWeightOut);
public String NLPIR_GetFileKeyWords(String sLine, int nMaxKeyLimit, boolean bWeightOut);
// 添加用户词典声明
public int NLPIR_AddUserWord(String sWord); // add by qp 2008.11.10
// 删除用户词典声明
public int NLPIR_DelUsrWord(String sWord); // add by qp 2008.11.10
public String NLPIR_GetLastErrorMsg();
// 退出函数声明
public void NLPIR_Exit();
// 文件分词声明
public void NLPIR_FileProcess(String utf8File, String utf8FileResult, int i);
}
public interface User32 extends W32APIOptions {
User32 instance = (User32) Native.loadLibrary("user32", User32.class, DEFAULT_OPTIONS);
boolean ShowWindow(HWND hWnd, int nCmdShow);
boolean SetForegroundWindow(HWND hWnd);
HWND FindWindow(String winClass, String title);
LRESULT SendMessage(HWND hWnd, int Msg, WPARAM wParam, LPARAM lParam);
boolean EnumWindows(WNDENUMPROC wndenumproc, int lParam);
boolean EnumChildWindows(HWND hWnd, WNDENUMPROC lpEnumFunc, Pointer data);
HWND GetParent(HWND hWnd);
boolean IsWindowVisible(HWND hWnd);
int GetWindowRect(HWND hWnd, RECT r);
void GetWindowTextA(HWND hWnd, byte[] buffer, int buflen);
int GetTopWindow(HWND hWnd);
int GetWindow(HWND hWnd, int flag);
final int GW_HWNDNEXT = 2;
int GetClassName(HWND hWnd, char[] buffer2, int i);
}
public static void sched_setaffinity(final BitSet affinity) {
final CLibrary lib = CLibrary.INSTANCE;
final cpu_set_t cpuset = new cpu_set_t();
final int size =
version.isSameOrNewer(VERSION_2_6) ? cpu_set_t.SIZE_OF_CPU_SET_T : NativeLong.SIZE;
final long[] bits = affinity.toLongArray();
for (int i = 0; i < bits.length; i++) {
if (Platform.is64Bit()) {
cpuset.__bits[i].setValue(bits[i]);
} else {
cpuset.__bits[i * 2].setValue(bits[i] & 0xFFFFFFFFL);
cpuset.__bits[i * 2 + 1].setValue((bits[i] >>> 32) & 0xFFFFFFFFL);
}
}
try {
if (lib.sched_setaffinity(0, size, cpuset) != 0) {
throw new IllegalStateException(
"sched_setaffinity(0, "
+ size
+ ", 0x"
+ Utilities.toHexString(affinity)
+ ") failed; errno="
+ Native.getLastError());
}
} catch (LastErrorException e) {
throw new IllegalStateException(
"sched_setaffinity(0, "
+ size
+ ", 0x"
+ Utilities.toHexString(affinity)
+ ") failed; errno="
+ e.getErrorCode(),
e);
}
}
/**
* Provides access to ioctl calls for register access.
*
* @author jnaous
*/
public interface NFRegAccess extends Library {
/* create an instance of this interface to load the library */
NFRegAccess INSTANCE = (NFRegAccess) Native.loadLibrary("nf10", NFRegAccess.class);
public static class NF2 extends Structure {
public String device_name;
public int fd;
public int net_iface;
@Override
protected List getFieldOrder() {
return Arrays.asList("device_name", "fd", "net_iface");
};
}
public int readReg(int fd, int reg, IntByReference val);
public int writeReg(int fd, int reg, int val);
public int check_iface(NF2 nf2);
public int openDescriptor(NF2 nf2);
public int closeDescriptor(NF2 nf2);
public void read_info(NF2 nf2);
public void printHello(NF2 nf2, IntByReference val);
}
public static void tryMlockall() {
int errno = Integer.MIN_VALUE;
try {
int result = CLibrary.mlockall(CLibrary.MCL_CURRENT);
if (result != 0) {
errno = Native.getLastError();
} else {
LOCAL_MLOCKALL = true;
}
} catch (UnsatisfiedLinkError e) {
// this will have already been logged by CLibrary, no need to repeat it
return;
}
if (errno != Integer.MIN_VALUE) {
if (errno == CLibrary.ENOMEM
&& System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("linux")) {
logger.warn(
"Unable to lock JVM memory (ENOMEM)."
+ " This can result in part of the JVM being swapped out."
+ " Increase RLIMIT_MEMLOCK (ulimit).");
} else if (!System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("mac")) {
// OS X allows mlockall to be called, but always returns an error
logger.warn("Unknown mlockall error " + errno);
}
}
}
/** Updates logical and physical processor counts from sysctl calls */
private void calculateProcessorCounts() {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
// Get number of logical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.logicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of logical CPUs. Error code: " + Native.getLastError());
this.logicalProcessorCount = 1;
} else this.logicalProcessorCount = p.getInt(0);
// Get number of physical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.physicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of physical CPUs. Error code: " + Native.getLastError());
this.physicalProcessorCount = 1;
} else this.physicalProcessorCount = p.getInt(0);
}
public static final Object getLibrary(String name, String path, final Class<?> libraryClass) {
Object original =
com.sun.jna.Native.loadLibrary(path, libraryClass, MangledFunctionMapper.DEFAULT_OPTIONS);
return shouldTraceCalls(name)
? LibraryExtractor.getTracingLibrary(original, libraryClass)
: original;
}
public static void main(String[] args) {
// get the taskbar's window handle
HWND shellTrayHwnd = User32.instance.FindWindow(User32.SHELL_TRAY_WND, null);
// use it to minimize all windows
User32.instance.SendMessageA(shellTrayHwnd, User32.WM_COMMAND, User32.MIN_ALL, 0);
// Test
// System.out.println(shellTrayHwnd);
// System.out.println(User32.WM_COMMAND);
// sleep for 3 seconds
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
}
// then restore previously minimized windows
User32.instance.SendMessageA(shellTrayHwnd, User32.WM_COMMAND, User32.MIN_ALL_UNDO, 0);
byte[] windowText = new byte[512];
PointerType hwnd = User32.INSTANCE.GetForegroundWindow();
// then you can call it!
User32.INSTANCE.GetWindowTextA(hwnd, windowText, 512);
System.out.println(Native.toString(windowText));
// System.out.println(User32.INSTANCE.GetForegroundWindow());
}
/** Simple example of native library declaration and usage. */
public interface User32 extends Library {
User32 INSTANCE = (User32) Native.loadLibrary(null, User32.class);
void system(String command);
void printf(String text, Object... obj);
void WriteConsoleOutputCharacterA(int hwnd, String content, int size, int coord, Object bytes);
int GetStdHandle(int ok);
int CreateConsoleScreenBuffer(int access, int shareMode, Object security, int flags, Object data);
int SetConsoleActiveScreenBuffer(int hwnd);
int SetConsoleCursorInfo(int hwnd); // int cursorInfo);
int GetConsoleCursorInfo(int hwnd);
int SetConsoleScreenBufferSize(int hwnd, int size);
int WriteConsoleA(int hwnd, String text, int size, int lpNumberOfCharsWritten, Object flags);
int ReadConsoleA(int hwnd, String text, int size, String out, Object smg);
int FlushConsoleInputBuffer(int hwnd);
int ReadConsoleOutputCharacterA(int hwnd, String text, int size, int coord, Object smg);
int SetConsoleTitleA(String title);
}
public int GetClassLong(Pointer hWnd, GCFlags nIndex) throws Exception {
int ret = u32.GetClassLongA(hWnd, nIndex.getValue());
if (ret == 0) {
int err = Native.getLastError();
throw new Exception("GetClassLong failed. Error: " + err);
}
return ret;
}
/*package*/ static Kernel32 load() {
try {
return (Kernel32) Native.loadLibrary("kernel32", Kernel32.class);
} catch (Throwable e) {
LOGGER.log(Level.SEVERE, "Failed to load Kernel32", e);
return InitializationErrorInvocationHandler.create(Kernel32.class, e);
}
}
public void testSHGetFolderPath() {
char[] pszPath = new char[WinDef.MAX_PATH];
assertEquals(
W32Errors.S_OK,
Shell32.INSTANCE.SHGetFolderPath(
null, ShlObj.CSIDL_PROGRAM_FILES, null, ShlObj.SHGFP_TYPE_CURRENT, pszPath));
assertTrue(Native.toString(pszPath).length() > 0);
}
/** {@inheritDoc} */
@Override
public String getName() {
if (this.cpuName == null) {
IntByReference size = new IntByReference();
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.brand_string", null, size, null, 0)) {
LOG.error("Failed to get Name. Error code: " + Native.getLastError());
return "";
}
Pointer p = new Memory(size.getValue() + 1);
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.brand_string", p, size, null, 0)) {
LOG.error("Failed to get Name. Error code: " + Native.getLastError());
return "";
}
this.cpuName = p.getString(0);
}
return this.cpuName;
}
private Memory toPointer(String input) {
byte[] data = Native.toByteArray(input);
Memory pointer = new Memory(data.length + 1);
pointer.write(0, data, 0, data.length);
pointer.setByte(data.length, (byte) 0);
return pointer;
}
static void windowsImpl() {
if (!Constants.WINDOWS) {
throw new IllegalStateException(
"bug: should not be trying to initialize ActiveProcessLimit for an unsupported OS");
}
JNAKernel32Library lib = JNAKernel32Library.getInstance();
// create a new Job
Pointer job = lib.CreateJobObjectW(null, null);
if (job == null) {
throw new UnsupportedOperationException("CreateJobObject: " + Native.getLastError());
}
try {
// retrieve the current basic limits of the job
int clazz = JNAKernel32Library.JOBOBJECT_BASIC_LIMIT_INFORMATION_CLASS;
JNAKernel32Library.JOBOBJECT_BASIC_LIMIT_INFORMATION limits =
new JNAKernel32Library.JOBOBJECT_BASIC_LIMIT_INFORMATION();
limits.write();
if (!lib.QueryInformationJobObject(job, clazz, limits.getPointer(), limits.size(), null)) {
throw new UnsupportedOperationException(
"QueryInformationJobObject: " + Native.getLastError());
}
limits.read();
// modify the number of active processes to be 1 (exactly the one process we will add to the
// job).
limits.ActiveProcessLimit = 1;
limits.LimitFlags = JNAKernel32Library.JOB_OBJECT_LIMIT_ACTIVE_PROCESS;
limits.write();
if (!lib.SetInformationJobObject(job, clazz, limits.getPointer(), limits.size())) {
throw new UnsupportedOperationException(
"SetInformationJobObject: " + Native.getLastError());
}
// assign ourselves to the job
if (!lib.AssignProcessToJobObject(job, lib.GetCurrentProcess())) {
throw new UnsupportedOperationException(
"AssignProcessToJobObject: " + Native.getLastError());
}
} finally {
lib.CloseHandle(job);
}
logger.debug("Windows ActiveProcessLimit initialization successful");
}
public interface Kernel32 extends W32APIOptions {
Kernel32 instance = (Kernel32) Native.loadLibrary("kernel32", Kernel32.class, DEFAULT_OPTIONS);
boolean GetDiskFreeSpaceEx(
String lpDirectoryName,
LARGE_INTEGER.ByReference lpFreeBytesAvailable,
LARGE_INTEGER.ByReference lpTotalNumberOfBytes,
LARGE_INTEGER.ByReference lpTotalNumberOfFreeBytes);
}
@Override
public <T> T loadLibrary(String libraryName, Class<T> libraryClass) {
try {
return libraryClass.cast(Native.loadLibrary(libraryName, libraryClass));
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
static {
try {
Native.register("c");
} catch (NoClassDefFoundError e) {
logger.warn("JNA not found. native methods (mlockall) will be disabled.");
} catch (UnsatisfiedLinkError e) {
logger.warn("unable to link C library. native methods (mlockall) will be disabled.");
}
}
/**
* Retrieve the text description for the most recent non-zero error and throw an exception.
*
* @param operation - string containing the name of the method for which the error occurred
* @param status - the method's numeric error value
* @exception J2534Exception on various non-zero return status
* @see J2534_v0404
*/
private static void handleError(String operation, int status) {
ByteBuffer error = ByteBuffer.allocate(255);
lib.PassThruGetLastError(error);
String errString =
String.format(
"%s error [%d:%s], %s",
operation, status, Status.get(status), Native.toString(error.array()));
throw new J2534Exception(errString);
}
public PPROCESS_MEMORY_COUNTERS GetProcessMemoryInfo(Pointer Process) throws Exception {
PPROCESS_MEMORY_COUNTERS ppsmemCounters = new PPROCESS_MEMORY_COUNTERS();
boolean success = psapi.GetProcessMemoryInfo(Process, ppsmemCounters, ppsmemCounters.size());
if (!success) {
int err = Native.getLastError();
throw new Exception("GetProcessMemoryInfo failed. Error: " + err);
}
return ppsmemCounters;
}
static {
if (Platform.isSolaris()) {
System.loadLibrary("nsl");
System.loadLibrary("socket");
}
if (!Platform.isWindows() && !Platform.isWindowsCE()) {
Native.register("c");
}
}
/* package */ HidDevice(String path, Frontend frontend) throws IOException {
m_Frontend = frontend;
udev udev = udev_new();
udev_device raw_dev = udev_device_new_from_syspath(udev, path);
String dev_path = udev_device_get_devnode(raw_dev);
udev_unref(udev);
m_HidDeviceInfo = new HidDeviceInfo(path);
// OPEN HERE //
m_DeviceHandle = open(dev_path, O_RDWR);
// If we have a good handle, return it.
if (m_DeviceHandle <= 0) throw new IOException("open() failed, errno " + Native.getLastError());
// Get the report descriptor
int[] desc_size = {0};
int res;
hidraw_report_descriptor rpt_desc = new hidraw_report_descriptor();
// Get Report Descriptor Size
res = ioctl(m_DeviceHandle, HIDIOCGRDESCSIZE, desc_size);
if (res < 0) // FIXME ERROR HANDLING
throw new IOException("ioctl(...HIDIOCGRDESCSIZE..) failed"); // perror("HIDIOCGRDESCSIZE");
// Get Report Descriptor
rpt_desc.size = desc_size[0];
res = ioctl(m_DeviceHandle, HIDIOCGRDESC, rpt_desc);
if (res < 0) throw new IOException("ioctl(...HIDIOCGRDESC..) failed");
// Determine if this device uses numbered reports.
m_UsesNumberedReports = uses_numbered_reports(rpt_desc.value, rpt_desc.size);
// ---------------
// Magic here, assume that no HID device ever uses reports longer than 4kB
m_InputReportBytes = new byte[4096 + 1];
m_OutputReportBytes = new byte[4096 + 1];
m_SyncStart = new SyncPoint(2);
m_SyncShutdown = new SyncPoint(2);
m_Thread =
new Thread(
new Runnable() {
@Override
public void run() {
try {
runReadOnBackground();
} catch (Exception e) {
e.printStackTrace();
}
}
},
m_HidDeviceInfo.getPath());
m_Thread.start();
m_SyncStart.waitAndSync();
}
