Examples with StorageVolume android.os.storage.StorageVolume used on opensource projects

Example 31 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ParanoidAndroid.

the class MountService method isUsbMassStorageEnabled.

public boolean isUsbMassStorageEnabled() {
    waitForReady();
    final StorageVolume primary = getPrimaryPhysicalVolume();
    if (primary != null) {
        return doGetVolumeShared(primary.getPath(), "ums");
    } else {
        return false;
    }
}

Example 32 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ParanoidAndroid.

the class MountService method dump.

@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
    if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) {
        pw.println("Permission Denial: can't dump ActivityManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " without permission " + android.Manifest.permission.DUMP);
        return;
    }
    synchronized (mObbMounts) {
        pw.println("  mObbMounts:");
        final Iterator<Entry<IBinder, List<ObbState>>> binders = mObbMounts.entrySet().iterator();
        while (binders.hasNext()) {
            Entry<IBinder, List<ObbState>> e = binders.next();
            pw.print("    Key=");
            pw.println(e.getKey().toString());
            final List<ObbState> obbStates = e.getValue();
            for (final ObbState obbState : obbStates) {
                pw.print("      ");
                pw.println(obbState.toString());
            }
        }
        pw.println("");
        pw.println("  mObbPathToStateMap:");
        final Iterator<Entry<String, ObbState>> maps = mObbPathToStateMap.entrySet().iterator();
        while (maps.hasNext()) {
            final Entry<String, ObbState> e = maps.next();
            pw.print("    ");
            pw.print(e.getKey());
            pw.print(" -> ");
            pw.println(e.getValue().toString());
        }
    }
    pw.println("");
    synchronized (mVolumesLock) {
        pw.println("  mVolumes:");
        final int N = mVolumes.size();
        for (int i = 0; i < N; i++) {
            final StorageVolume v = mVolumes.get(i);
            pw.print("    ");
            pw.println(v.toString());
        }
    }
    pw.println();
    pw.println("  mConnection:");
    mConnector.dump(fd, pw, args);
}

Example 33 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ParanoidAndroid.

the class MountService method onDaemonConnected.

/**
     * Callback from NativeDaemonConnector
     */
public void onDaemonConnected() {
    /*
         * Since we'll be calling back into the NativeDaemonConnector,
         * we need to do our work in a new thread.
         */
    new Thread("MountService#onDaemonConnected") {

        @Override
        public void run() {
            /**
                 * Determine media state and UMS detection status
                 */
            try {
                final String[] vols = NativeDaemonEvent.filterMessageList(mConnector.executeForList("volume", "list"), VoldResponseCode.VolumeListResult);
                for (String volstr : vols) {
                    String[] tok = volstr.split(" ");
                    // FMT: <label> <mountpoint> <state>
                    String path = tok[1];
                    String state = Environment.MEDIA_REMOVED;
                    final StorageVolume volume;
                    synchronized (mVolumesLock) {
                        volume = mVolumesByPath.get(path);
                    }
                    int st = Integer.parseInt(tok[2]);
                    if (st == VolumeState.NoMedia) {
                        state = Environment.MEDIA_REMOVED;
                    } else if (st == VolumeState.Idle) {
                        state = Environment.MEDIA_UNMOUNTED;
                    } else if (st == VolumeState.Mounted) {
                        state = Environment.MEDIA_MOUNTED;
                        Slog.i(TAG, "Media already mounted on daemon connection");
                    } else if (st == VolumeState.Shared) {
                        state = Environment.MEDIA_SHARED;
                        Slog.i(TAG, "Media shared on daemon connection");
                    } else {
                        throw new Exception(String.format("Unexpected state %d", st));
                    }
                    if (state != null) {
                        if (DEBUG_EVENTS)
                            Slog.i(TAG, "Updating valid state " + state);
                        updatePublicVolumeState(volume, state);
                    }
                }
            } catch (Exception e) {
                Slog.e(TAG, "Error processing initial volume state", e);
                final StorageVolume primary = getPrimaryPhysicalVolume();
                if (primary != null) {
                    updatePublicVolumeState(primary, Environment.MEDIA_REMOVED);
                }
            }
            /*
                 * Now that we've done our initialization, release
                 * the hounds!
                 */
            mConnectedSignal.countDown();
            // Let package manager load internal ASECs.
            mPms.scanAvailableAsecs();
            // Notify people waiting for ASECs to be scanned that it's done.
            mAsecsScanned.countDown();
        }
    }.start();
}

Example 34 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ParanoidAndroid.

the class MountService method getVolumeList.

@Override
public StorageVolume[] getVolumeList() {
    final int callingUserId = UserHandle.getCallingUserId();
    final boolean accessAll = (mContext.checkPermission(android.Manifest.permission.ACCESS_ALL_EXTERNAL_STORAGE, Binder.getCallingPid(), Binder.getCallingUid()) == PERMISSION_GRANTED);
    synchronized (mVolumesLock) {
        final ArrayList<StorageVolume> filtered = Lists.newArrayList();
        for (StorageVolume volume : mVolumes) {
            final UserHandle owner = volume.getOwner();
            final boolean ownerMatch = owner == null || owner.getIdentifier() == callingUserId;
            if (accessAll || ownerMatch) {
                filtered.add(volume);
            }
        }
        return filtered.toArray(new StorageVolume[filtered.size()]);
    }
}

Example 35 with StorageVolume

use of android.os.storage.StorageVolume in project android_frameworks_base by ParanoidAndroid.

the class MountService method handleSystemReady.

private void handleSystemReady() {
    // Snapshot current volume states since it's not safe to call into vold
    // while holding locks.
    final HashMap<String, String> snapshot;
    synchronized (mVolumesLock) {
        snapshot = new HashMap<String, String>(mVolumeStates);
    }
    for (Map.Entry<String, String> entry : snapshot.entrySet()) {
        final String path = entry.getKey();
        final String state = entry.getValue();
        if (state.equals(Environment.MEDIA_UNMOUNTED)) {
            int rc = doMountVolume(path);
            if (rc != StorageResultCode.OperationSucceeded) {
                Slog.e(TAG, String.format("Boot-time mount failed (%d)", rc));
            }
        } else if (state.equals(Environment.MEDIA_SHARED)) {
            /*
                 * Bootstrap UMS enabled state since vold indicates
                 * the volume is shared (runtime restart while ums enabled)
                 */
            notifyVolumeStateChange(null, path, VolumeState.NoMedia, VolumeState.Shared);
        }
    }
    // Push mounted state for all emulated storage
    synchronized (mVolumesLock) {
        for (StorageVolume volume : mVolumes) {
            if (volume.isEmulated()) {
                updatePublicVolumeState(volume, Environment.MEDIA_MOUNTED);
            }
        }
    }
    /*
         * If UMS was connected on boot, send the connected event
         * now that we're up.
         */
    if (mSendUmsConnectedOnBoot) {
        sendUmsIntent(true);
        mSendUmsConnectedOnBoot = false;
    }
}