VolumeManager.h revision a19b250bd273455933ca3502cf2c2e0a803aff77 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _VOLUMEMANAGER_H
18#define _VOLUMEMANAGER_H
19
20#include <pthread.h>
21
22#include <utils/List.h>
23#include <sysutils/SocketListener.h>
24
25#include "BlockDevice.h"
26#include "Volume.h"
27
28class VolumeManager {
29private:
30    static VolumeManager *sInstance;
31
32private:
33    SocketListener        *mBroadcaster;
34    BlockDeviceCollection *mBlockDevices;
35
36    VolumeCollection      *mVolumes;
37    bool                   mUsbMassStorageConnected;
38
39public:
40    virtual ~VolumeManager();
41
42    int start();
43    int stop();
44
45    void handleBlockEvent(NetlinkEvent *evt);
46    void handleSwitchEvent(NetlinkEvent *evt);
47
48    int addVolume(Volume *v);
49
50    int listVolumes(SocketClient *cli);
51    int mountVolume(const char *label);
52    int unmountVolume(const char *label);
53    int shareVolume(const char *label, const char *method);
54    int unshareVolume(const char *label, const char *method);
55    int shareAvailable(const char *method, bool *avail);
56    int simulate(const char *cmd, const char *arg);
57    int formatVolume(const char *label);
58    int createAsec(const char *id, int sizeMb, const char *fstype,
59                   const char *key, int ownerUid);
60    int finalizeAsec(const char *id);
61    int destroyAsec(const char *id);
62    int mountAsec(const char *id, const char *key, int ownerUid);
63    int getAsecMountPath(const char *id, char *buffer, int maxlen);
64
65    // XXX: This should be moved private once switch uevents are working
66    void notifyUmsConnected(bool connected);
67
68    void setBroadcaster(SocketListener *sl) { mBroadcaster = sl; }
69    SocketListener *getBroadcaster() { return mBroadcaster; }
70
71    static VolumeManager *Instance();
72
73private:
74    VolumeManager();
75    Volume *lookupVolume(const char *label);
76    bool isMountpointMounted(const char *mp);
77};
78#endif
79