private ArrayList<Path> holeLaufwerkeUnix() {
ArrayList<Path> laufwerksRoot = new ArrayList<>();
for (FileStore store : FileSystems.getDefault().getFileStores()) {
if (store.name().contains("/dev/sd")) {
laufwerksRoot.add(
Paths.get(store.toString().substring(0, store.toString().indexOf(' '))));
}
}
return laufwerksRoot;
}
public NodePath(Path path, Environment environment) throws IOException {
this.path = path;
this.indicesPath = path.resolve(INDICES_FOLDER);
this.fileStore = environment.getFileStore(path);
if (fileStore.supportsFileAttributeView("lucene")) {
this.spins = (Boolean) fileStore.getAttribute("lucene:spins");
} else {
this.spins = null;
}
}
static void printFileStore(FileStore store) throws IOException {
String total = format(store.getTotalSpace());
String used = format(store.getTotalSpace() - store.getUnallocatedSpace());
String avail = format(store.getUsableSpace());
String s = store.toString();
if (s.length() > 20) {
System.out.println(s);
s = "";
}
System.out.format("%-20s %12s %12s %12s\n", s, total, used, avail);
}
public NodePath(Path path) throws IOException {
this.path = path;
this.indicesPath = path.resolve(INDICES_FOLDER);
this.fileStore = Environment.getFileStore(path);
if (fileStore.supportsFileAttributeView("lucene")) {
this.spins = (Boolean) fileStore.getAttribute("lucene:spins");
this.majorDeviceNumber = (int) fileStore.getAttribute("lucene:major_device_number");
this.minorDeviceNumber = (int) fileStore.getAttribute("lucene:minor_device_number");
} else {
this.spins = null;
this.majorDeviceNumber = -1;
this.minorDeviceNumber = -1;
}
}
private void footerDiskAction() {
long diskSpace;
long diskUsed;
try {
diskSpace = usedFileStore.getTotalSpace();
diskUsed = diskSpace - usedFileStore.getUnallocatedSpace();
} catch (IOException e) {
e.printStackTrace();
throw new Error(e);
}
double diskFrac = ((double) diskUsed) / ((double) diskSpace);
display.diskAvailLabel.setText(Utility.progressString(progressSize, diskFrac));
}
@Test
public void preallocateTooLarge() throws Exception {
assumeTrue(Platform.isLinux());
FileIO fio =
FileIO.open(file, EnumSet.of(OpenOption.CREATE, OpenOption.MAPPED, OpenOption.PREALLOCATE));
FileStore fs = Files.getFileStore(file.toPath());
assumeTrue("ext4".equals(fs.type()) && !fs.name().contains("docker"));
long len = file.getTotalSpace() * 100L;
// setLength traps the IOException and prevents resizing / remapping. Not remapping avoids
// the SIGBUS issue.
fio.setLength(len);
assertEquals(0, fio.length());
fio.close();
}
/** File store properties examined */
@Test
public void testRetrieveFileStoreInforamtion() throws IOException {
FileSystem fs = FileSystems.getDefault();
assertNotNull(fs);
List<FileStore> stores = iterableToList(fs.getFileStores());
// file store is device such a drive, partition or volume
// in my system I have 3 partitions
assertEquals(3, stores.size());
// for storing triples of basic file store identification
Set<String> storeNames = new HashSet<>();
for (FileStore store : stores) {
storeNames.add(store.name() + ";" + store.type() + ";" + store.isReadOnly());
long total = store.getTotalSpace();
long unallocated = store.getUnallocatedSpace();
long usable = store.getUsableSpace();
assertTrue(total > 0);
assertTrue(unallocated > 0 && total >= unallocated);
assertTrue(usable > 0 && total >= usable);
// Just for notice of NumberFormat class existence :)
// System.out.println(NumberFormat.getInstance().format(total));
}
// environment dependent
assertEquals(
cSET("Windows7_OS;NTFS;false", "Data;NTFS;false", "Documents;NTFS;false"), storeNames);
// can be used for determine if file store supports such attribute view
assertTrue(stores.get(0).supportsFileAttributeView(BasicFileAttributeView.class));
assertFalse(stores.get(0).supportsFileAttributeView(PosixFileAttributeView.class));
}
private void setupFooter() {
try {
usedFileStore = Files.getFileStore(ToolSettings.NBITES_DIR_PATH);
} catch (Exception e) {
e.printStackTrace();
;
throw new Error(e);
}
Debug.warn("Tool footer using fileStore: %s", usedFileStore.name());
display.diskAvailLabel.setText(Utility.progressString(progressSize, 0.5));
display.jvmAvailLabel.setText(Utility.progressString(progressSize, 0.5));
footerJvmTimer =
new Timer(
1000, // ms
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
footerJvmAction();
}
});
footerJvmTimer.start();
footerDiskTimer =
new Timer(
1000,
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
footerDiskAction();
}
});
footerDiskTimer.start();
}
