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

Example 11 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class ActivityManagerService method attachApplicationLocked.

private final boolean attachApplicationLocked(IApplicationThread thread, int pid) {
    // Find the application record that is being attached...  either via
    // the pid if we are running in multiple processes, or just pull the
    // next app record if we are emulating process with anonymous threads.
    ProcessRecord app;
    if (pid != MY_PID && pid >= 0) {
        synchronized (mPidsSelfLocked) {
            app = mPidsSelfLocked.get(pid);
        }
    } else {
        app = null;
    }
    if (app == null) {
        Slog.w(TAG, "No pending application record for pid " + pid + " (IApplicationThread " + thread + "); dropping process");
        EventLog.writeEvent(EventLogTags.AM_DROP_PROCESS, pid);
        if (pid > 0 && pid != MY_PID) {
            Process.killProcessQuiet(pid);
        //TODO: killProcessGroup(app.info.uid, pid);
        } else {
            try {
                thread.scheduleExit();
            } catch (Exception e) {
            // Ignore exceptions.
            }
        }
        return false;
    }
    // process, clean it up now.
    if (app.thread != null) {
        handleAppDiedLocked(app, true, true);
    }
    if (DEBUG_ALL)
        Slog.v(TAG, "Binding process pid " + pid + " to record " + app);
    final String processName = app.processName;
    try {
        AppDeathRecipient adr = new AppDeathRecipient(app, pid, thread);
        thread.asBinder().linkToDeath(adr, 0);
        app.deathRecipient = adr;
    } catch (RemoteException e) {
        app.resetPackageList(mProcessStats);
        startProcessLocked(app, "link fail", processName);
        return false;
    }
    EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName);
    app.makeActive(thread, mProcessStats);
    app.curAdj = app.setAdj = app.verifiedAdj = ProcessList.INVALID_ADJ;
    app.curSchedGroup = app.setSchedGroup = ProcessList.SCHED_GROUP_DEFAULT;
    app.forcingToForeground = null;
    updateProcessForegroundLocked(app, false, false);
    app.hasShownUi = false;
    app.debugging = false;
    app.cached = false;
    app.killedByAm = false;
    app.killed = false;
    // We carefully use the same state that PackageManager uses for
    // filtering, since we use this flag to decide if we need to install
    // providers when user is unlocked later
    app.unlocked = StorageManager.isUserKeyUnlocked(app.userId);
    mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app);
    boolean normalMode = mProcessesReady || isAllowedWhileBooting(app.info);
    List<ProviderInfo> providers = normalMode ? generateApplicationProvidersLocked(app) : null;
    if (providers != null && checkAppInLaunchingProvidersLocked(app)) {
        Message msg = mHandler.obtainMessage(CONTENT_PROVIDER_PUBLISH_TIMEOUT_MSG);
        msg.obj = app;
        mHandler.sendMessageDelayed(msg, CONTENT_PROVIDER_PUBLISH_TIMEOUT);
    }
    if (!normalMode) {
        Slog.i(TAG, "Launching preboot mode app: " + app);
    }
    if (DEBUG_ALL)
        Slog.v(TAG, "New app record " + app + " thread=" + thread.asBinder() + " pid=" + pid);
    try {
        int testMode = IApplicationThread.DEBUG_OFF;
        if (mDebugApp != null && mDebugApp.equals(processName)) {
            testMode = mWaitForDebugger ? IApplicationThread.DEBUG_WAIT : IApplicationThread.DEBUG_ON;
            app.debugging = true;
            if (mDebugTransient) {
                mDebugApp = mOrigDebugApp;
                mWaitForDebugger = mOrigWaitForDebugger;
            }
        }
        String profileFile = app.instrumentationProfileFile;
        ParcelFileDescriptor profileFd = null;
        int samplingInterval = 0;
        boolean profileAutoStop = false;
        boolean profileStreamingOutput = false;
        if (mProfileApp != null && mProfileApp.equals(processName)) {
            mProfileProc = app;
            profileFile = mProfileFile;
            profileFd = mProfileFd;
            samplingInterval = mSamplingInterval;
            profileAutoStop = mAutoStopProfiler;
            profileStreamingOutput = mStreamingOutput;
        }
        boolean enableTrackAllocation = false;
        if (mTrackAllocationApp != null && mTrackAllocationApp.equals(processName)) {
            enableTrackAllocation = true;
            mTrackAllocationApp = null;
        }
        // If the app is being launched for restore or full backup, set it up specially
        boolean isRestrictedBackupMode = false;
        if (mBackupTarget != null && mBackupAppName.equals(processName)) {
            isRestrictedBackupMode = mBackupTarget.appInfo.uid >= Process.FIRST_APPLICATION_UID && ((mBackupTarget.backupMode == BackupRecord.RESTORE) || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL) || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL));
        }
        if (app.instrumentationClass != null) {
            notifyPackageUse(app.instrumentationClass.getPackageName(), PackageManager.NOTIFY_PACKAGE_USE_INSTRUMENTATION);
        }
        if (DEBUG_CONFIGURATION)
            Slog.v(TAG_CONFIGURATION, "Binding proc " + processName + " with config " + mConfiguration);
        ApplicationInfo appInfo = app.instrumentationInfo != null ? app.instrumentationInfo : app.info;
        app.compat = compatibilityInfoForPackageLocked(appInfo);
        if (profileFd != null) {
            profileFd = profileFd.dup();
        }
        ProfilerInfo profilerInfo = profileFile == null ? null : new ProfilerInfo(profileFile, profileFd, samplingInterval, profileAutoStop, profileStreamingOutput);
        thread.bindApplication(processName, appInfo, providers, app.instrumentationClass, profilerInfo, app.instrumentationArguments, app.instrumentationWatcher, app.instrumentationUiAutomationConnection, testMode, mBinderTransactionTrackingEnabled, enableTrackAllocation, isRestrictedBackupMode || !normalMode, app.persistent, new Configuration(mConfiguration), app.compat, getCommonServicesLocked(app.isolated), mCoreSettingsObserver.getCoreSettingsLocked());
        updateLruProcessLocked(app, false, null);
        app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis();
    } catch (Exception e) {
        // todo: Yikes!  What should we do?  For now we will try to
        // start another process, but that could easily get us in
        // an infinite loop of restarting processes...
        Slog.wtf(TAG, "Exception thrown during bind of " + app, e);
        app.resetPackageList(mProcessStats);
        app.unlinkDeathRecipient();
        startProcessLocked(app, "bind fail", processName);
        return false;
    }
    // Remove this record from the list of starting applications.
    mPersistentStartingProcesses.remove(app);
    if (DEBUG_PROCESSES && mProcessesOnHold.contains(app))
        Slog.v(TAG_PROCESSES, "Attach application locked removing on hold: " + app);
    mProcessesOnHold.remove(app);
    boolean badApp = false;
    boolean didSomething = false;
    // See if the top visible activity is waiting to run in this process...
    if (normalMode) {
        try {
            if (mStackSupervisor.attachApplicationLocked(app)) {
                didSomething = true;
            }
        } catch (Exception e) {
            Slog.wtf(TAG, "Exception thrown launching activities in " + app, e);
            badApp = true;
        }
    }
    // Find any services that should be running in this process...
    if (!badApp) {
        try {
            didSomething |= mServices.attachApplicationLocked(app, processName);
        } catch (Exception e) {
            Slog.wtf(TAG, "Exception thrown starting services in " + app, e);
            badApp = true;
        }
    }
    // Check if a next-broadcast receiver is in this process...
    if (!badApp && isPendingBroadcastProcessLocked(pid)) {
        try {
            didSomething |= sendPendingBroadcastsLocked(app);
        } catch (Exception e) {
            // If the app died trying to launch the receiver we declare it 'bad'
            Slog.wtf(TAG, "Exception thrown dispatching broadcasts in " + app, e);
            badApp = true;
        }
    }
    // Check whether the next backup agent is in this process...
    if (!badApp && mBackupTarget != null && mBackupTarget.appInfo.uid == app.uid) {
        if (DEBUG_BACKUP)
            Slog.v(TAG_BACKUP, "New app is backup target, launching agent for " + app);
        notifyPackageUse(mBackupTarget.appInfo.packageName, PackageManager.NOTIFY_PACKAGE_USE_BACKUP);
        try {
            thread.scheduleCreateBackupAgent(mBackupTarget.appInfo, compatibilityInfoForPackageLocked(mBackupTarget.appInfo), mBackupTarget.backupMode);
        } catch (Exception e) {
            Slog.wtf(TAG, "Exception thrown creating backup agent in " + app, e);
            badApp = true;
        }
    }
    if (badApp) {
        app.kill("error during init", true);
        handleAppDiedLocked(app, false, true);
        return false;
    }
    if (!didSomething) {
        updateOomAdjLocked();
    }
    return true;
}

Example 12 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class ActivityStackSupervisor method realStartActivityLocked.

final boolean realStartActivityLocked(ActivityRecord r, ProcessRecord app, boolean andResume, boolean checkConfig) throws RemoteException {
    if (!allPausedActivitiesComplete()) {
        // the paused state because they will first be resumed then paused on the client side.
        if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES)
            Slog.v(TAG_PAUSE, "realStartActivityLocked: Skipping start of r=" + r + " some activities pausing...");
        return false;
    }
    if (andResume) {
        r.startFreezingScreenLocked(app, 0);
        mWindowManager.setAppVisibility(r.appToken, true);
        // schedule launch ticks to collect information about slow apps.
        r.startLaunchTickingLocked();
    }
    // just restarting it anyway.
    if (checkConfig) {
        Configuration config = mWindowManager.updateOrientationFromAppTokens(mService.mConfiguration, r.mayFreezeScreenLocked(app) ? r.appToken : null);
        // Deferring resume here because we're going to launch new activity shortly.
        // We don't want to perform a redundant launch of the same record while ensuring
        // configurations and trying to resume top activity of focused stack.
        mService.updateConfigurationLocked(config, r, false, true);
    }
    r.app = app;
    app.waitingToKill = null;
    r.launchCount++;
    r.lastLaunchTime = SystemClock.uptimeMillis();
    if (DEBUG_ALL)
        Slog.v(TAG, "Launching: " + r);
    int idx = app.activities.indexOf(r);
    if (idx < 0) {
        app.activities.add(r);
    }
    mService.updateLruProcessLocked(app, true, null);
    mService.updateOomAdjLocked();
    final TaskRecord task = r.task;
    if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE || task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE_PRIV) {
        setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "mLockTaskAuth==LAUNCHABLE", false);
    }
    final ActivityStack stack = task.stack;
    try {
        if (app.thread == null) {
            throw new RemoteException();
        }
        List<ResultInfo> results = null;
        List<ReferrerIntent> newIntents = null;
        if (andResume) {
            results = r.results;
            newIntents = r.newIntents;
        }
        if (DEBUG_SWITCH)
            Slog.v(TAG_SWITCH, "Launching: " + r + " icicle=" + r.icicle + " with results=" + results + " newIntents=" + newIntents + " andResume=" + andResume);
        if (andResume) {
            EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, r.userId, System.identityHashCode(r), task.taskId, r.shortComponentName);
        }
        if (r.isHomeActivity()) {
            // Home process is the root process of the task.
            mService.mHomeProcess = task.mActivities.get(0).app;
        }
        mService.notifyPackageUse(r.intent.getComponent().getPackageName(), PackageManager.NOTIFY_PACKAGE_USE_ACTIVITY);
        r.sleeping = false;
        r.forceNewConfig = false;
        mService.showUnsupportedZoomDialogIfNeededLocked(r);
        mService.showAskCompatModeDialogLocked(r);
        r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo);
        ProfilerInfo profilerInfo = null;
        if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) {
            if (mService.mProfileProc == null || mService.mProfileProc == app) {
                mService.mProfileProc = app;
                final String profileFile = mService.mProfileFile;
                if (profileFile != null) {
                    ParcelFileDescriptor profileFd = mService.mProfileFd;
                    if (profileFd != null) {
                        try {
                            profileFd = profileFd.dup();
                        } catch (IOException e) {
                            if (profileFd != null) {
                                try {
                                    profileFd.close();
                                } catch (IOException o) {
                                }
                                profileFd = null;
                            }
                        }
                    }
                    profilerInfo = new ProfilerInfo(profileFile, profileFd, mService.mSamplingInterval, mService.mAutoStopProfiler, mService.mStreamingOutput);
                }
            }
        }
        if (andResume) {
            app.hasShownUi = true;
            app.pendingUiClean = true;
        }
        app.forceProcessStateUpTo(mService.mTopProcessState);
        app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, System.identityHashCode(r), r.info, new Configuration(mService.mConfiguration), new Configuration(task.mOverrideConfig), r.compat, r.launchedFromPackage, task.voiceInteractor, app.repProcState, r.icicle, r.persistentState, results, newIntents, !andResume, mService.isNextTransitionForward(), profilerInfo);
        if ((app.info.privateFlags & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
            // considered heavy-weight.
            if (app.processName.equals(app.info.packageName)) {
                if (mService.mHeavyWeightProcess != null && mService.mHeavyWeightProcess != app) {
                    Slog.w(TAG, "Starting new heavy weight process " + app + " when already running " + mService.mHeavyWeightProcess);
                }
                mService.mHeavyWeightProcess = app;
                Message msg = mService.mHandler.obtainMessage(ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG);
                msg.obj = r;
                mService.mHandler.sendMessage(msg);
            }
        }
    } catch (RemoteException e) {
        if (r.launchFailed) {
            // This is the second time we failed -- finish activity
            // and give up.
            Slog.e(TAG, "Second failure launching " + r.intent.getComponent().flattenToShortString() + ", giving up", e);
            mService.appDiedLocked(app);
            stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null, "2nd-crash", false);
            return false;
        }
        // This is the first time we failed -- restart process and
        // retry.
        app.activities.remove(r);
        throw e;
    }
    r.launchFailed = false;
    if (stack.updateLRUListLocked(r)) {
        Slog.w(TAG, "Activity " + r + " being launched, but already in LRU list");
    }
    if (andResume) {
        // As part of the process of launching, ActivityThread also performs
        // a resume.
        stack.minimalResumeActivityLocked(r);
    } else {
        // current icicle and other state.
        if (DEBUG_STATES)
            Slog.v(TAG_STATES, "Moving to PAUSED: " + r + " (starting in paused state)");
        r.state = PAUSED;
    }
    // switch back to it faster and look better.
    if (isFocusedStack(stack)) {
        mService.startSetupActivityLocked();
    }
    // their client may have activities.
    if (r.app != null) {
        mService.mServices.updateServiceConnectionActivitiesLocked(r.app);
    }
    return true;
}

Example 13 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class CopyJob method copyFileHelper.

/**
     * Handles copying a single file.
     *
     * @param src Info of the file to copy from.
     * @param dest Info of the *file* to copy to. Must be created beforehand.
     * @param destParent Info of the parent of the destination.
     * @param mimeType Mime type for the target. Can be different than source for virtual files.
     * @throws ResourceException
     */
private void copyFileHelper(DocumentInfo src, DocumentInfo dest, DocumentInfo destParent, String mimeType) throws ResourceException {
    CancellationSignal canceller = new CancellationSignal();
    AssetFileDescriptor srcFileAsAsset = null;
    ParcelFileDescriptor srcFile = null;
    ParcelFileDescriptor dstFile = null;
    InputStream in = null;
    ParcelFileDescriptor.AutoCloseOutputStream out = null;
    boolean success = false;
    try {
        // as such format.
        if (src.isVirtualDocument()) {
            try {
                srcFileAsAsset = getClient(src).openTypedAssetFileDescriptor(src.derivedUri, mimeType, null, canceller);
            } catch (FileNotFoundException | RemoteException | RuntimeException e) {
                throw new ResourceException("Failed to open a file as asset for %s due to an " + "exception.", src.derivedUri, e);
            }
            srcFile = srcFileAsAsset.getParcelFileDescriptor();
            try {
                in = new AssetFileDescriptor.AutoCloseInputStream(srcFileAsAsset);
            } catch (IOException e) {
                throw new ResourceException("Failed to open a file input stream for %s due " + "an exception.", src.derivedUri, e);
            }
        } else {
            try {
                srcFile = getClient(src).openFile(src.derivedUri, "r", canceller);
            } catch (FileNotFoundException | RemoteException | RuntimeException e) {
                throw new ResourceException("Failed to open a file for %s due to an exception.", src.derivedUri, e);
            }
            in = new ParcelFileDescriptor.AutoCloseInputStream(srcFile);
        }
        try {
            dstFile = getClient(dest).openFile(dest.derivedUri, "w", canceller);
        } catch (FileNotFoundException | RemoteException | RuntimeException e) {
            throw new ResourceException("Failed to open the destination file %s for writing " + "due to an exception.", dest.derivedUri, e);
        }
        out = new ParcelFileDescriptor.AutoCloseOutputStream(dstFile);
        byte[] buffer = new byte[32 * 1024];
        int len;
        try {
            while ((len = in.read(buffer)) != -1) {
                if (isCanceled()) {
                    if (DEBUG)
                        Log.d(TAG, "Canceled copy mid-copy of: " + src.derivedUri);
                    return;
                }
                out.write(buffer, 0, len);
                makeCopyProgress(len);
            }
            // Need to invoke IoUtils.close explicitly to avoid from ignoring errors at flush.
            IoUtils.close(dstFile.getFileDescriptor());
            srcFile.checkError();
        } catch (IOException e) {
            throw new ResourceException("Failed to copy bytes from %s to %s due to an IO exception.", src.derivedUri, dest.derivedUri, e);
        }
        if (src.isVirtualDocument()) {
            convertedFiles.add(src);
        }
        success = true;
    } finally {
        if (!success) {
            if (dstFile != null) {
                try {
                    dstFile.closeWithError("Error copying bytes.");
                } catch (IOException closeError) {
                    Log.w(TAG, "Error closing destination.", closeError);
                }
            }
            if (DEBUG)
                Log.d(TAG, "Cleaning up failed operation leftovers.");
            canceller.cancel();
            try {
                deleteDocument(dest, destParent);
            } catch (ResourceException e) {
                Log.w(TAG, "Failed to cleanup after copy error: " + src.derivedUri, e);
            }
        }
        // This also ensures the file descriptors are closed.
        IoUtils.closeQuietly(in);
        IoUtils.closeQuietly(out);
    }
}

Example 14 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class DocumentsProviderHelper method readDocument.

public byte[] readDocument(Uri documentUri) throws RemoteException, IOException {
    ParcelFileDescriptor file = mClient.openFile(documentUri, "r", null);
    byte[] buf = null;
    try (AutoCloseInputStream in = new AutoCloseInputStream(file)) {
        buf = Streams.readFully(in);
    }
    return buf;
}

Example 15 with ParcelFileDescriptor

use of android.os.ParcelFileDescriptor in project platform_frameworks_base by android.

the class SystemServicesProxy method getThumbnail.

/**
     * Returns a task thumbnail from the activity manager
     */
public void getThumbnail(int taskId, ThumbnailData thumbnailDataOut) {
    if (mAm == null) {
        return;
    }
    ActivityManager.TaskThumbnail taskThumbnail = mAm.getTaskThumbnail(taskId);
    if (taskThumbnail == null) {
        return;
    }
    Bitmap thumbnail = taskThumbnail.mainThumbnail;
    ParcelFileDescriptor descriptor = taskThumbnail.thumbnailFileDescriptor;
    if (thumbnail == null && descriptor != null) {
        thumbnail = BitmapFactory.decodeFileDescriptor(descriptor.getFileDescriptor(), null, sBitmapOptions);
    }
    if (descriptor != null) {
        try {
            descriptor.close();
        } catch (IOException e) {
        }
    }
    thumbnailDataOut.thumbnail = thumbnail;
    thumbnailDataOut.thumbnailInfo = taskThumbnail.thumbnailInfo;
}