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

Example 21 with DropBoxManager

use of android.os.DropBoxManager 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 22 with DropBoxManager

use of android.os.DropBoxManager 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();
}

Example 23 with DropBoxManager

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

the class DropBoxTest method testAddFile.

public void testAddFile() throws Exception {
    File dir = getEmptyDir("testAddFile");
    long before = System.currentTimeMillis();
    File f0 = new File(dir, "f0.txt");
    File f1 = new File(dir, "f1.txt.gz");
    File f2 = new File(dir, "f2.dat");
    File f3 = new File(dir, "f2.dat.gz");
    FileWriter w0 = new FileWriter(f0);
    GZIPOutputStream gz1 = new GZIPOutputStream(new FileOutputStream(f1));
    FileOutputStream os2 = new FileOutputStream(f2);
    GZIPOutputStream gz3 = new GZIPOutputStream(new FileOutputStream(f3));
    w0.write("FILE0");
    gz1.write("FILE1".getBytes());
    os2.write("DATA2".getBytes());
    gz3.write("DATA3".getBytes());
    w0.close();
    gz1.close();
    os2.close();
    gz3.close();
    DropBoxManagerService service = new DropBoxManagerService(getContext(), dir);
    DropBoxManager dropbox = new DropBoxManager(getContext(), service.getServiceStub());
    dropbox.addFile("DropBoxTest", f0, DropBoxManager.IS_TEXT);
    dropbox.addFile("DropBoxTest", f1, DropBoxManager.IS_TEXT | DropBoxManager.IS_GZIPPED);
    dropbox.addFile("DropBoxTest", f2, 0);
    dropbox.addFile("DropBoxTest", f3, DropBoxManager.IS_GZIPPED);
    DropBoxManager.Entry e0 = dropbox.getNextEntry("DropBoxTest", before);
    DropBoxManager.Entry e1 = dropbox.getNextEntry("DropBoxTest", e0.getTimeMillis());
    DropBoxManager.Entry e2 = dropbox.getNextEntry("DropBoxTest", e1.getTimeMillis());
    DropBoxManager.Entry e3 = dropbox.getNextEntry("DropBoxTest", e2.getTimeMillis());
    assertTrue(null == dropbox.getNextEntry("DropBoxTest", e3.getTimeMillis()));
    assertTrue(e0.getTimeMillis() > before);
    assertTrue(e1.getTimeMillis() > e0.getTimeMillis());
    assertTrue(e2.getTimeMillis() > e1.getTimeMillis());
    assertTrue(e3.getTimeMillis() > e2.getTimeMillis());
    assertEquals(DropBoxManager.IS_TEXT, e0.getFlags());
    assertEquals(DropBoxManager.IS_TEXT, e1.getFlags());
    assertEquals(0, e2.getFlags());
    assertEquals(0, e3.getFlags());
    assertEquals("FILE0", e0.getText(80));
    byte[] buf1 = new byte[80];
    assertEquals("FILE1", new String(buf1, 0, e1.getInputStream().read(buf1)));
    assertTrue(null == e2.getText(80));
    byte[] buf2 = new byte[80];
    assertEquals("DATA2", new String(buf2, 0, e2.getInputStream().read(buf2)));
    assertTrue(null == e3.getText(80));
    byte[] buf3 = new byte[80];
    assertEquals("DATA3", new String(buf3, 0, e3.getInputStream().read(buf3)));
    e0.close();
    e1.close();
    e2.close();
    e3.close();
}

Example 24 with DropBoxManager

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

the class SamplingProfilerService method startWorking.

private void startWorking(Context context) {
    if (LOCAL_LOGV)
        Slog.v(TAG, "starting SamplingProfilerService!");
    final DropBoxManager dropbox = (DropBoxManager) context.getSystemService(Context.DROPBOX_SERVICE);
    // before FileObserver is ready, there could have already been some snapshots
    // in the directory, we don't want to miss them
    File[] snapshotFiles = new File(SNAPSHOT_DIR).listFiles();
    for (int i = 0; snapshotFiles != null && i < snapshotFiles.length; i++) {
        handleSnapshotFile(snapshotFiles[i], dropbox);
    }
    // detect new snapshot and put it in dropbox
    // delete it afterwards no matter what happened before
    // Note: needs listening at event ATTRIB rather than CLOSE_WRITE, because we set the
    // readability of snapshot files after writing them!
    snapshotObserver = new FileObserver(SNAPSHOT_DIR, FileObserver.ATTRIB) {

        @Override
        public void onEvent(int event, String path) {
            handleSnapshotFile(new File(SNAPSHOT_DIR, path), dropbox);
        }
    };
    snapshotObserver.startWatching();
    if (LOCAL_LOGV)
        Slog.v(TAG, "SamplingProfilerService activated");
}

Example 25 with DropBoxManager

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

the class ActivityManagerService method logStrictModeViolationToDropBox.

// Depending on the policy in effect, there could be a bunch of
// these in quick succession so we try to batch these together to
// minimize disk writes, number of dropbox entries, and maximize
// compression, by having more fewer, larger records.
private void logStrictModeViolationToDropBox(ProcessRecord process, StrictMode.ViolationInfo info) {
    if (info == null) {
        return;
    }
    final boolean isSystemApp = process == null || (process.info.flags & (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0;
    final String processName = process == null ? "unknown" : process.processName;
    final String dropboxTag = isSystemApp ? "system_app_strictmode" : "data_app_strictmode";
    final DropBoxManager dbox = (DropBoxManager) mContext.getSystemService(Context.DROPBOX_SERVICE);
    // Exit early if the dropbox isn't configured to accept this report type.
    if (dbox == null || !dbox.isTagEnabled(dropboxTag))
        return;
    boolean bufferWasEmpty;
    boolean needsFlush;
    final StringBuilder sb = isSystemApp ? mStrictModeBuffer : new StringBuilder(1024);
    synchronized (sb) {
        bufferWasEmpty = sb.length() == 0;
        appendDropBoxProcessHeaders(process, processName, sb);
        sb.append("Build: ").append(Build.FINGERPRINT).append("\n");
        sb.append("System-App: ").append(isSystemApp).append("\n");
        sb.append("Uptime-Millis: ").append(info.violationUptimeMillis).append("\n");
        if (info.violationNumThisLoop != 0) {
            sb.append("Loop-Violation-Number: ").append(info.violationNumThisLoop).append("\n");
        }
        if (info.numAnimationsRunning != 0) {
            sb.append("Animations-Running: ").append(info.numAnimationsRunning).append("\n");
        }
        if (info.broadcastIntentAction != null) {
            sb.append("Broadcast-Intent-Action: ").append(info.broadcastIntentAction).append("\n");
        }
        if (info.durationMillis != -1) {
            sb.append("Duration-Millis: ").append(info.durationMillis).append("\n");
        }
        if (info.numInstances != -1) {
            sb.append("Instance-Count: ").append(info.numInstances).append("\n");
        }
        if (info.tags != null) {
            for (String tag : info.tags) {
                sb.append("Span-Tag: ").append(tag).append("\n");
            }
        }
        sb.append("\n");
        if (info.crashInfo != null && info.crashInfo.stackTrace != null) {
            sb.append(info.crashInfo.stackTrace);
            sb.append("\n");
        }
        if (info.message != null) {
            sb.append(info.message);
            sb.append("\n");
        }
        // Only buffer up to ~64k.  Various logging bits truncate
        // things at 128k.
        needsFlush = (sb.length() > 64 * 1024);
    }
    // thousands of separate files could be created on boot.
    if (!isSystemApp || needsFlush) {
        new Thread("Error dump: " + dropboxTag) {

            @Override
            public void run() {
                String report;
                synchronized (sb) {
                    report = sb.toString();
                    sb.delete(0, sb.length());
                    sb.trimToSize();
                }
                if (report.length() != 0) {
                    dbox.addText(dropboxTag, report);
                }
            }
        }.start();
        return;
    }
    // System app batching:
    if (!bufferWasEmpty) {
        // catch the buffer appends we just did.
        return;
    }
    // Worker thread to both batch writes and to avoid blocking the caller on I/O.
    // (After this point, we shouldn't access AMS internal data structures.)
    new Thread("Error dump: " + dropboxTag) {

        @Override
        public void run() {
            // 5 second sleep to let stacks arrive and be batched together
            try {
                // 5 seconds
                Thread.sleep(5000);
            } catch (InterruptedException e) {
            }
            String errorReport;
            synchronized (mStrictModeBuffer) {
                errorReport = mStrictModeBuffer.toString();
                if (errorReport.length() == 0) {
                    return;
                }
                mStrictModeBuffer.delete(0, mStrictModeBuffer.length());
                mStrictModeBuffer.trimToSize();
            }
            dbox.addText(dropboxTag, errorReport);
        }
    }.start();
}