/*
* PS3 Media Server, for streaming any medias to your PS3.
* Copyright (C) 2008 A.Brochard
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.pms.io;
import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.WString;
import com.sun.jna.ptr.LongByReference;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.CharBuffer;
import java.util.prefs.Preferences;
import net.pms.PMS;
import net.pms.configuration.PmsConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Contains the Windows specific native functionality. Do not try to instantiate on Linux/MacOS X !
*
* @author zsombor
*/
public class WinUtils extends BasicSystemUtils implements SystemUtils {
private static final Logger LOGGER = LoggerFactory.getLogger(WinUtils.class);
private static final PmsConfiguration configuration = PMS.getConfiguration();
public interface Kernel32 extends Library {
Kernel32 INSTANCE = (Kernel32) Native.loadLibrary("kernel32", Kernel32.class);
Kernel32 SYNC_INSTANCE = (Kernel32) Native.synchronizedLibrary(INSTANCE);
int GetShortPathNameW(WString lpszLongPath, char[] lpdzShortPath, int cchBuffer);
int GetWindowsDirectoryW(char[] lpdzShortPath, int uSize);
boolean GetVolumeInformationW(
char[] lpRootPathName,
CharBuffer lpVolumeNameBuffer,
int nVolumeNameSize,
LongByReference lpVolumeSerialNumber,
LongByReference lpMaximumComponentLength,
LongByReference lpFileSystemFlags,
CharBuffer lpFileSystemNameBuffer,
int nFileSystemNameSize
);
int SetThreadExecutionState(int EXECUTION_STATE);
int ES_DISPLAY_REQUIRED = 0x00000002;
int ES_SYSTEM_REQUIRED = 0x00000001;
int ES_CONTINUOUS = 0x80000000;
}
private static final int KEY_READ = 0x20019;
private boolean kerio;
private String avsPluginsDir;
private String kLiteFiltersDir;
public long lastDontSleepCall = 0;
public long lastGoToSleepCall = 0;
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#disableGoToSleep()
*/
@Override
public void disableGoToSleep() {
// Disable go to sleep (every 40s)
if (configuration.isPreventsSleep() && System.currentTimeMillis() - lastDontSleepCall > 40000) {
LOGGER.trace("Calling SetThreadExecutionState ES_SYSTEM_REQUIRED");
Kernel32.INSTANCE.SetThreadExecutionState(Kernel32.ES_SYSTEM_REQUIRED | Kernel32.ES_CONTINUOUS);
lastDontSleepCall = System.currentTimeMillis();
}
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#reenableGoToSleep()
*/
@Override
public void reenableGoToSleep() {
// Reenable go to sleep
if (configuration.isPreventsSleep() && System.currentTimeMillis() - lastGoToSleepCall > 40000) {
LOGGER.trace("Calling SetThreadExecutionState ES_CONTINUOUS");
Kernel32.INSTANCE.SetThreadExecutionState(Kernel32.ES_CONTINUOUS);
lastGoToSleepCall = System.currentTimeMillis();
}
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#getAvsPluginsDir()
*/
@Override
public File getAvsPluginsDir() {
if (avsPluginsDir == null) {
return null;
}
File pluginsDir = new File(avsPluginsDir);
if (!pluginsDir.exists()) {
pluginsDir = null;
}
return pluginsDir;
}
/**
* The Filters directory for K-Lite Codec Pack, which contains vsfilter.dll
*/
@Override
public File getKLiteFiltersDir() {
if (kLiteFiltersDir == null) {
return null;
}
File filtersDir = new File(kLiteFiltersDir + "\\Filters");
if (!filtersDir.exists()) {
filtersDir = null;
}
return filtersDir;
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#getShortPathNameW(java.lang.String)
*/
@Override
public String getShortPathNameW(String longPathName) {
boolean unicodeChars;
try {
byte b1[] = longPathName.getBytes("UTF-8");
byte b2[] = longPathName.getBytes("cp1252");
unicodeChars = b1.length != b2.length;
} catch (Exception e) {
return longPathName;
}
if (unicodeChars) {
try {
WString pathname = new WString(longPathName);
char test[] = new char[2 + pathname.length() * 2];
int r = Kernel32.INSTANCE.GetShortPathNameW(pathname, test, test.length);
if (r > 0) {
LOGGER.debug("Forcing short path name on " + pathname);
return Native.toString(test);
} else {
LOGGER.info("File does not exist? " + pathname);
return null;
}
} catch (Exception e) {
return longPathName;
}
}
return longPathName;
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#getWindowsDirectory()
*/
@Override
public String getWindowsDirectory() {
char test[] = new char[2 + 256 * 2];
int r = Kernel32.INSTANCE.GetWindowsDirectoryW(test, 256);
if (r > 0) {
return Native.toString(test);
}
return null;
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#getDiskLabel(java.io.File)
*/
@Override
public String getDiskLabel(File f) {
String driveName;
try {
driveName = f.getCanonicalPath().substring(0, 2) + "\\";
char[] lpRootPathName_chars = new char[4];
for (int i = 0; i < 3; i++) {
lpRootPathName_chars[i] = driveName.charAt(i);
}
lpRootPathName_chars[3] = '\0';
int nVolumeNameSize = 256;
CharBuffer lpVolumeNameBuffer_char = CharBuffer.allocate(nVolumeNameSize);
LongByReference lpVolumeSerialNumber = new LongByReference();
LongByReference lpMaximumComponentLength = new LongByReference();
LongByReference lpFileSystemFlags = new LongByReference();
int nFileSystemNameSize = 256;
CharBuffer lpFileSystemNameBuffer_char = CharBuffer.allocate(nFileSystemNameSize);
boolean result2 = Kernel32.INSTANCE.GetVolumeInformationW(
lpRootPathName_chars,
lpVolumeNameBuffer_char,
nVolumeNameSize,
lpVolumeSerialNumber,
lpMaximumComponentLength,
lpFileSystemFlags,
lpFileSystemNameBuffer_char,
nFileSystemNameSize);
if (!result2) {
return null;
}
String diskLabel = charString2String(lpVolumeNameBuffer_char);
return diskLabel;
} catch (Exception e) {
return null;
}
}
private String charString2String(CharBuffer buf) {
char[] chars = buf.array();
int i;
for (i = 0; i < chars.length; i++) {
if (chars[i] == '\0') {
break;
}
}
return new String(chars, 0, i);
}
public WinUtils() {
start();
}
private void start() {
final Preferences userRoot = Preferences.userRoot();
final Preferences systemRoot = Preferences.systemRoot();
final Class<? extends Preferences> clz = userRoot.getClass();
try {
if (clz.getName().endsWith("WindowsPreferences")) {
final Method openKey = clz.getDeclaredMethod("WindowsRegOpenKey", int.class, byte[].class, int.class);
openKey.setAccessible(true);
final Method closeKey = clz.getDeclaredMethod("WindowsRegCloseKey", int.class);
closeKey.setAccessible(true);
final Method winRegQueryValue = clz.getDeclaredMethod("WindowsRegQueryValueEx", int.class, byte[].class);
winRegQueryValue.setAccessible(true);
byte[] valb;
String key;
// Check if VLC is installed
key = "SOFTWARE\\VideoLAN\\VLC";
int handles[] = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
if (!(handles.length == 2 && handles[0] != 0 && handles[1] == 0)) {
key = "SOFTWARE\\Wow6432Node\\VideoLAN\\VLC";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
}
if (handles.length == 2 && handles[0] != 0 && handles[1] == 0) {
valb = (byte[]) winRegQueryValue.invoke(systemRoot, handles[0], toCstr(""));
vlcp = (valb != null ? new String(valb).trim() : null);
valb = (byte[]) winRegQueryValue.invoke(systemRoot, handles[0], toCstr("Version"));
vlcv = (valb != null ? new String(valb).trim() : null);
closeKey.invoke(systemRoot, handles[0]);
}
// Check if AviSynth is installed
key = "SOFTWARE\\AviSynth";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
if (!(handles.length == 2 && handles[0] != 0 && handles[1] == 0)) {
key = "SOFTWARE\\Wow6432Node\\AviSynth";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
}
if (handles.length == 2 && handles[0] != 0 && handles[1] == 0) {
avis = true;
valb = (byte[]) winRegQueryValue.invoke(systemRoot, handles[0], toCstr("plugindir2_5"));
avsPluginsDir = (valb != null ? new String(valb).trim() : null);
closeKey.invoke(systemRoot, handles[0]);
}
// Check if K-Lite Codec Pack is installed
key = "SOFTWARE\\Wow6432Node\\KLCodecPack";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
if (!(handles.length == 2 && handles[0] != 0 && handles[1] == 0)) {
key = "SOFTWARE\\KLCodecPack";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
}
if (handles.length == 2 && handles[0] != 0 && handles[1] == 0) {
valb = (byte[]) winRegQueryValue.invoke(systemRoot, handles[0], toCstr("installdir"));
kLiteFiltersDir = (valb != null ? new String(valb).trim() : null);
closeKey.invoke(systemRoot, handles[0]);
}
// Check if Kerio is installed
key = "SOFTWARE\\Kerio";
handles = (int[]) openKey.invoke(systemRoot, -2147483646, toCstr(key), KEY_READ);
if (handles.length == 2 && handles[0] != 0 && handles[1] == 0) {
kerio = true;
}
}
} catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
LOGGER.debug("Caught exception", e);
}
}
/* (non-Javadoc)
* @see net.pms.io.SystemUtils#isKerioFirewall()
*/
@Override
public boolean isKerioFirewall() {
return kerio;
}
private static byte[] toCstr(String str) {
byte[] result = new byte[str.length() + 1];
for (int i = 0; i < str.length(); i++) {
result[i] = (byte) str.charAt(i);
}
result[str.length()] = 0;
return result;
}
@Override
public String[] getPingCommand(String hostAddress, int count, int packetSize) {
String cmd = PMS.getConfiguration().pingPath();
if (cmd == null) {
return new String[]{"ping", /* count */ "-n", Integer.toString(count), /* size */ "-l", Integer.toString(packetSize), hostAddress};
} else {
return new String[]{cmd, /*warmup */ "-w", "0", "-i", "0", /* count */ "-n", Integer.toString(count), /* size */ "-l", Integer.toString(packetSize), hostAddress};
}
}
@Override
public String parsePingLine(String line) {
if (PMS.getConfiguration().pingPath() == null) {
return super.parsePingLine(line);
}
int msPos = line.indexOf("ms");
if (msPos == -1) {
return null;
}
return line.substring(line.lastIndexOf(':', msPos) + 1, msPos).trim();
}
}