Examples with StatFs android.os.StatFs used on opensource projects

Example 51 with StatFs

use of android.os.StatFs in project QuickAndroid by ImKarl.

the class QAFileManager method getSDCardInternalAvailableSize.

/** 
     * 获取内置SDCard可用大小
     * @return 
     */
@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public static long getSDCardInternalAvailableSize() {
    if (!existSDCardInternal()) {
        return -1;
    }
    File path = new File(getSDCardInternalRoot());
    StatFs stat = new StatFs(path.getPath());
    if (QASdkVersion.isSupport(QASdkVersion.JELLY_BEAN_MR2)) {
        return stat.getAvailableBytes();
    } else {
        long availableBlocks = stat.getAvailableBlocks();
        long blockSize = stat.getBlockSize();
        return availableBlocks * blockSize;
    }
}

Example 52 with StatFs

use of android.os.StatFs in project android_frameworks_base by DirtyUnicorns.

the class LowStorageTest method updateInfo.

public void updateInfo(Context context) {
    fillupdisk(this);
    synchronized (fillUpDone) {
        try {
            fillUpDone.wait(WAIT_FOR_FINISH);
        } catch (Exception e) {
            Log.v(TAG, "wait was interrupted.");
        }
    }
    try {
        // The stat didn't relect the correct data right away
        // put some extra time to make sure if get the right size.
        Thread.sleep(WAIT_FOR_SYSTEM_UPDATE);
        File path = Environment.getDataDirectory();
        StatFs stat = new StatFs(path.getPath());
        long availableBlocks = stat.getAvailableBlocks();
        TextView freeSizeTextView = (TextView) findViewById(R.id.freesize);
        freeSizeTextView.setText(Long.toString((availableBlocks * mBlockSize) / BYTE_SIZE));
        TextView statusTextView = (TextView) findViewById(R.id.status);
        statusTextView.setText("Finished. You can start the test now.");
    } catch (Exception e) {
        Log.v(TAG, e.toString());
    }
}

Example 53 with StatFs

use of android.os.StatFs in project android_frameworks_base by DirtyUnicorns.

the class LowStorageTest method fillupdisk.

// Fill up 100% of the data partition
public void fillupdisk(Context context) {
    final Context contextfill = context;
    new Thread() {

        @Override
        public void run() {
            try {
                // Fill up all the memory
                File path = Environment.getDataDirectory();
                StatFs stat = new StatFs(path.getPath());
                int totalBlocks = stat.getBlockCount();
                int noOfBlockToFill = stat.getAvailableBlocks();
                FileOutputStream fs = contextfill.openFileOutput("testdata", Context.MODE_APPEND);
                for (int i = 0; i < (noOfBlockToFill / NO_OF_BLOCKS_TO_FILL); i++) {
                    byte[] buf = new byte[mBlockSize * NO_OF_BLOCKS_TO_FILL];
                    fs.write(buf);
                    fs.flush();
                }
                // Fill up the last few block
                byte[] buf = new byte[(noOfBlockToFill % NO_OF_BLOCKS_TO_FILL) * mBlockSize];
                fs.write(buf);
                fs.flush();
                fs.close();
                // Finished, update the info
                synchronized (fillUpDone) {
                    fillUpDone.notify();
                }
            } catch (Exception e) {
                Log.v(TAG, e.toString());
            }
        }
    }.start();
}

Example 54 with StatFs

use of android.os.StatFs in project android_frameworks_base by DirtyUnicorns.

the class DropBoxTest method testAgeLimits.

public void testAgeLimits() throws Exception {
    File dir = getEmptyDir("testAgeLimits");
    int blockSize = new StatFs(dir.getPath()).getBlockSize();
    // Limit storage to 10 blocks with an expiration of 1 second
    int kb = blockSize * 10 / 1024;
    ContentResolver cr = getContext().getContentResolver();
    Settings.Global.putString(cr, Settings.Global.DROPBOX_AGE_SECONDS, "1");
    Settings.Global.putString(cr, Settings.Global.DROPBOX_QUOTA_KB, Integer.toString(kb));
    // Write one normal entry and another so big that it is instantly tombstoned
    long before = System.currentTimeMillis();
    DropBoxManagerService service = new DropBoxManagerService(getContext(), dir);
    DropBoxManager dropbox = new DropBoxManager(getContext(), service.getServiceStub());
    dropbox.addText("DropBoxTest", "TEST");
    addRandomEntry(dropbox, "DropBoxTest", blockSize * 20);
    // Verify that things are as expected
    DropBoxManager.Entry e0 = dropbox.getNextEntry(null, before);
    DropBoxManager.Entry e1 = dropbox.getNextEntry(null, e0.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry(null, e1.getTimeMillis()));
    assertEquals("TEST", e0.getText(80));
    assertEquals(null, e1.getText(80));
    assertEquals(-1, getEntrySize(e1));
    e0.close();
    e1.close();
    // Wait a second and write another entry -- old ones should be expunged
    Thread.sleep(2000);
    dropbox.addText("DropBoxTest", "TEST1");
    e0 = dropbox.getNextEntry(null, before);
    assertTrue(null == dropbox.getNextEntry(null, e0.getTimeMillis()));
    assertEquals("TEST1", e0.getText(80));
    e0.close();
}

Example 55 with StatFs

use of android.os.StatFs in project android_frameworks_base by DirtyUnicorns.

the class DropBoxTest method testSizeLimits.

public void testSizeLimits() throws Exception {
    File dir = getEmptyDir("testSizeLimits");
    int blockSize = new StatFs(dir.getPath()).getBlockSize();
    // Limit storage to 10 blocks
    int kb = blockSize * 10 / 1024;
    ContentResolver cr = getContext().getContentResolver();
    Settings.Global.putString(cr, Settings.Global.DROPBOX_QUOTA_KB, Integer.toString(kb));
    // Three tags using a total of 12 blocks:
    // DropBoxTest0 [ ][ ]
    // DropBoxTest1 [x][ ][    ][ ][xxx(20 blocks)xxx]
    // DropBoxTest2 [xxxxxxxxxx][ ][ ]
    //
    // The blocks marked "x" will be removed due to storage restrictions.
    // Use random fill (so it doesn't compress), subtract a little for gzip overhead
    final int overhead = 64;
    long before = System.currentTimeMillis();
    DropBoxManagerService service = new DropBoxManagerService(getContext(), dir);
    DropBoxManager dropbox = new DropBoxManager(getContext(), service.getServiceStub());
    addRandomEntry(dropbox, "DropBoxTest0", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest0", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest1", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest1", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest1", blockSize * 2 - overhead);
    addRandomEntry(dropbox, "DropBoxTest1", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest1", blockSize * 20 - overhead);
    addRandomEntry(dropbox, "DropBoxTest2", blockSize * 4 - overhead);
    addRandomEntry(dropbox, "DropBoxTest2", blockSize - overhead);
    addRandomEntry(dropbox, "DropBoxTest2", blockSize - overhead);
    DropBoxManager.Entry e0 = dropbox.getNextEntry(null, before);
    DropBoxManager.Entry e1 = dropbox.getNextEntry(null, e0.getTimeMillis());
    DropBoxManager.Entry e2 = dropbox.getNextEntry(null, e1.getTimeMillis());
    DropBoxManager.Entry e3 = dropbox.getNextEntry(null, e2.getTimeMillis());
    DropBoxManager.Entry e4 = dropbox.getNextEntry(null, e3.getTimeMillis());
    DropBoxManager.Entry e5 = dropbox.getNextEntry(null, e4.getTimeMillis());
    DropBoxManager.Entry e6 = dropbox.getNextEntry(null, e5.getTimeMillis());
    DropBoxManager.Entry e7 = dropbox.getNextEntry(null, e6.getTimeMillis());
    DropBoxManager.Entry e8 = dropbox.getNextEntry(null, e7.getTimeMillis());
    DropBoxManager.Entry e9 = dropbox.getNextEntry(null, e8.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry(null, e9.getTimeMillis()));
    assertEquals("DropBoxTest0", e0.getTag());
    assertEquals("DropBoxTest0", e1.getTag());
    assertEquals(blockSize - overhead, getEntrySize(e0));
    assertEquals(blockSize - overhead, getEntrySize(e1));
    assertEquals("DropBoxTest1", e2.getTag());
    assertEquals("DropBoxTest1", e3.getTag());
    assertEquals("DropBoxTest1", e4.getTag());
    assertEquals("DropBoxTest1", e5.getTag());
    assertEquals("DropBoxTest1", e6.getTag());
    // Tombstone
    assertEquals(-1, getEntrySize(e2));
    assertEquals(blockSize - overhead, getEntrySize(e3));
    assertEquals(blockSize * 2 - overhead, getEntrySize(e4));
    assertEquals(blockSize - overhead, getEntrySize(e5));
    assertEquals(-1, getEntrySize(e6));
    assertEquals("DropBoxTest2", e7.getTag());
    assertEquals("DropBoxTest2", e8.getTag());
    assertEquals("DropBoxTest2", e9.getTag());
    // Tombstone
    assertEquals(-1, getEntrySize(e7));
    assertEquals(blockSize - overhead, getEntrySize(e8));
    assertEquals(blockSize - overhead, getEntrySize(e9));
    e0.close();
    e1.close();
    e2.close();
    e3.close();
    e4.close();
    e5.close();
    e6.close();
    e7.close();
    e8.close();
    e9.close();
    // Specifying a tag name skips tombstone records.
    DropBoxManager.Entry t0 = dropbox.getNextEntry("DropBoxTest1", before);
    DropBoxManager.Entry t1 = dropbox.getNextEntry("DropBoxTest1", t0.getTimeMillis());
    DropBoxManager.Entry t2 = dropbox.getNextEntry("DropBoxTest1", t1.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry("DropBoxTest1", t2.getTimeMillis()));
    assertEquals("DropBoxTest1", t0.getTag());
    assertEquals("DropBoxTest1", t1.getTag());
    assertEquals("DropBoxTest1", t2.getTag());
    assertEquals(blockSize - overhead, getEntrySize(t0));
    assertEquals(blockSize * 2 - overhead, getEntrySize(t1));
    assertEquals(blockSize - overhead, getEntrySize(t2));
    t0.close();
    t1.close();
    t2.close();
}