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

Example 31 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 32 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();
}

Example 33 with DropBoxManager

use of android.os.DropBoxManager in project cornerstone by Onskreen.

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");
        // 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();
}

Example 34 with DropBoxManager

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

the class BatteryService method logBatteryStatsLocked.

private void logBatteryStatsLocked() {
    IBinder batteryInfoService = ServiceManager.getService(BatteryStats.SERVICE_NAME);
    if (batteryInfoService == null)
        return;
    DropBoxManager db = (DropBoxManager) mContext.getSystemService(Context.DROPBOX_SERVICE);
    if (db == null || !db.isTagEnabled("BATTERY_DISCHARGE_INFO"))
        return;
    File dumpFile = null;
    FileOutputStream dumpStream = null;
    try {
        // dump the service to a file
        dumpFile = new File(DUMPSYS_DATA_PATH + BatteryStats.SERVICE_NAME + ".dump");
        dumpStream = new FileOutputStream(dumpFile);
        batteryInfoService.dump(dumpStream.getFD(), DUMPSYS_ARGS);
        FileUtils.sync(dumpStream);
        // add dump file to drop box
        db.addFile("BATTERY_DISCHARGE_INFO", dumpFile, DropBoxManager.IS_TEXT);
    } catch (RemoteException e) {
        Slog.e(TAG, "failed to dump battery service", e);
    } catch (IOException e) {
        Slog.e(TAG, "failed to write dumpsys file", e);
    } finally {
        // make sure we clean up
        if (dumpStream != null) {
            try {
                dumpStream.close();
            } catch (IOException e) {
                Slog.e(TAG, "failed to close dumpsys output stream");
            }
        }
        if (dumpFile != null && !dumpFile.delete()) {
            Slog.e(TAG, "failed to delete temporary dumpsys file: " + dumpFile.getAbsolutePath());
        }
    }
}

Example 35 with DropBoxManager

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

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();
}