Examples with FastPrintWriter com.android.internal.util.FastPrintWriter used on opensource projects

Example 36 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by DirtyUnicorns.

the class PackageManagerService method logCriticalInfo.

static void logCriticalInfo(int priority, String msg) {
    Slog.println(priority, TAG, msg);
    EventLogTags.writePmCriticalInfo(msg);
    try {
        File fname = getSettingsProblemFile();
        FileOutputStream out = new FileOutputStream(fname, true);
        PrintWriter pw = new FastPrintWriter(out);
        SimpleDateFormat formatter = new SimpleDateFormat();
        String dateString = formatter.format(new Date(System.currentTimeMillis()));
        pw.println(dateString + ": " + msg);
        pw.close();
        FileUtils.setPermissions(fname.toString(), FileUtils.S_IRWXU | FileUtils.S_IRWXG | FileUtils.S_IROTH, -1, -1);
    } catch (java.io.IOException e) {
    }
}

Example 37 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by DirtyUnicorns.

the class ActiveServices method serviceTimeout.

void serviceTimeout(ProcessRecord proc) {
    String anrMessage = null;
    synchronized (mAm) {
        if (proc.executingServices.size() == 0 || proc.thread == null) {
            return;
        }
        final long now = SystemClock.uptimeMillis();
        final long maxTime = now - (proc.execServicesFg ? SERVICE_TIMEOUT : SERVICE_BACKGROUND_TIMEOUT);
        ServiceRecord timeout = null;
        long nextTime = 0;
        for (int i = proc.executingServices.size() - 1; i >= 0; i--) {
            ServiceRecord sr = proc.executingServices.valueAt(i);
            if (sr.executingStart < maxTime) {
                timeout = sr;
                break;
            }
            if (sr.executingStart > nextTime) {
                nextTime = sr.executingStart;
            }
        }
        if (timeout != null && mAm.mLruProcesses.contains(proc)) {
            Slog.w(TAG, "Timeout executing service: " + timeout);
            StringWriter sw = new StringWriter();
            PrintWriter pw = new FastPrintWriter(sw, false, 1024);
            pw.println(timeout);
            timeout.dump(pw, "    ");
            pw.close();
            mLastAnrDump = sw.toString();
            mAm.mHandler.removeCallbacks(mLastAnrDumpClearer);
            mAm.mHandler.postDelayed(mLastAnrDumpClearer, LAST_ANR_LIFETIME_DURATION_MSECS);
            anrMessage = "executing service " + timeout.shortName;
        } else {
            Message msg = mAm.mHandler.obtainMessage(ActivityManagerService.SERVICE_TIMEOUT_MSG);
            msg.obj = proc;
            mAm.mHandler.sendMessageAtTime(msg, proc.execServicesFg ? (nextTime + SERVICE_TIMEOUT) : (nextTime + SERVICE_BACKGROUND_TIMEOUT));
        }
    }
    if (anrMessage != null) {
        mAm.mAppErrors.appNotResponding(proc, null, null, false, anrMessage);
    }
}

Example 38 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by DirtyUnicorns.

the class ActivityManagerService method stopBinderTrackingAndDump.

public boolean stopBinderTrackingAndDump(ParcelFileDescriptor fd) throws RemoteException {
    try {
        synchronized (this) {
            mBinderTransactionTrackingEnabled = false;
            // permission (same as profileControl).
            if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER) != PackageManager.PERMISSION_GRANTED) {
                throw new SecurityException("Requires permission " + android.Manifest.permission.SET_ACTIVITY_WATCHER);
            }
            if (fd == null) {
                throw new IllegalArgumentException("null fd");
            }
            PrintWriter pw = new FastPrintWriter(new FileOutputStream(fd.getFileDescriptor()));
            pw.println("Binder transaction traces for all processes.\n");
            for (ProcessRecord process : mLruProcesses) {
                if (!processSanityChecksLocked(process)) {
                    continue;
                }
                pw.println("Traces for process: " + process.processName);
                pw.flush();
                try {
                    TransferPipe tp = new TransferPipe();
                    try {
                        process.thread.stopBinderTrackingAndDump(tp.getWriteFd().getFileDescriptor());
                        tp.go(fd.getFileDescriptor());
                    } finally {
                        tp.kill();
                    }
                } catch (IOException e) {
                    pw.println("Failure while dumping IPC traces from " + process + ".  Exception: " + e);
                    pw.flush();
                } catch (RemoteException e) {
                    pw.println("Got a RemoteException while dumping IPC traces from " + process + ".  Exception: " + e);
                    pw.flush();
                }
            }
            fd = null;
            return true;
        }
    } finally {
        if (fd != null) {
            try {
                fd.close();
            } catch (IOException e) {
            }
        }
    }
}

Example 39 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by AOSPA.

the class TransactionTracker method writeTracesToFile.

public void writeTracesToFile(ParcelFileDescriptor fd) {
    if (mTraces.isEmpty()) {
        return;
    }
    PrintWriter pw = new FastPrintWriter(new FileOutputStream(fd.getFileDescriptor()));
    synchronized (this) {
        for (String trace : mTraces.keySet()) {
            pw.println("Count: " + mTraces.get(trace));
            pw.println("Trace: " + trace);
            pw.println();
        }
    }
    pw.flush();
}

Example 40 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by AOSPA.

the class StrictMode method readAndHandleBinderCallViolations.

/**
     * Called from Parcel.readException() when the exception is EX_STRICT_MODE_VIOLATIONS,
     * we here read back all the encoded violations.
     */
/* package */
static void readAndHandleBinderCallViolations(Parcel p) {
    // Our own stack trace to append
    StringWriter sw = new StringWriter();
    sw.append("# via Binder call with stack:\n");
    PrintWriter pw = new FastPrintWriter(sw, false, 256);
    new LogStackTrace().printStackTrace(pw);
    pw.flush();
    String ourStack = sw.toString();
    final int policyMask = getThreadPolicyMask();
    final boolean currentlyGathering = (policyMask & PENALTY_GATHER) != 0;
    final int size = p.readInt();
    for (int i = 0; i < size; i++) {
        final ViolationInfo info = new ViolationInfo(p, !currentlyGathering);
        info.crashInfo.appendStackTrace(ourStack);
        BlockGuard.Policy policy = BlockGuard.getThreadPolicy();
        if (policy instanceof AndroidBlockGuardPolicy) {
            ((AndroidBlockGuardPolicy) policy).handleViolationWithTimingAttempt(info);
        }
    }
}