VolumeManager.cpp revision f1b736bc5605e92e917ab27f5abf3ba839be2270 
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#include <stdio.h>
18#include <errno.h>
19
20#define LOG_TAG "Vold"
21
22#include <cutils/log.h>
23
24#include "VolumeManager.h"
25#include "DeviceVolume.h"
26#include "ErrorCode.h"
27
28VolumeManager *VolumeManager::sInstance = NULL;
29
30VolumeManager *VolumeManager::Instance() {
31    if (!sInstance)
32        sInstance = new VolumeManager();
33    return sInstance;
34}
35
36VolumeManager::VolumeManager() {
37    mBlockDevices = new BlockDeviceCollection();
38    mVolumes = new VolumeCollection();
39    mBroadcaster = NULL;
40}
41
42VolumeManager::~VolumeManager() {
43    delete mBlockDevices;
44}
45
46int VolumeManager::start() {
47    return 0;
48}
49
50int VolumeManager::stop() {
51    return 0;
52}
53
54int VolumeManager::addVolume(Volume *v) {
55    mVolumes->push_back(v);
56    return 0;
57}
58
59void VolumeManager::handleDiskInserted(const char *devpath, int maj, int min,
60                                       int nr_parts) {
61
62    /* Lookup possible candidate DeviceVolumes */
63    VolumeCollection::iterator it;
64    bool hit = false;
65    for (it = mVolumes->begin(); it != mVolumes->end(); ++it) {
66        if (!(*it)->handleDiskInsertion(devpath, maj, min, nr_parts)) {
67            hit = true;
68            LOGD("Volume '%s' has handled disk insertion for '%s'",
69                 (*it)->getLabel(), devpath);
70            break;
71        }
72    }
73
74    if (!hit) {
75        LOGW("No volumes handled insertion of disk '%s'", devpath);
76    }
77}
78
79void VolumeManager::handleDiskRemoved(int maj, int min) {
80}
81
82void VolumeManager::handlePartCreated(const char *devpath, int maj, int min,
83                                      int part_no) {
84}
85
86void VolumeManager::handlePartRemoved(int maj, int min) {
87}
88
89
90int VolumeManager::listVolumes(SocketClient *cli) {
91    VolumeCollection::iterator i;
92
93    for (i = mVolumes->begin(); i != mVolumes->end(); ++i) {
94        char *buffer;
95        asprintf(&buffer, "%s %s %d",
96                 (*i)->getLabel(), (*i)->getMountpoint(),
97                 (*i)->getState());
98        cli->sendMsg(ErrorCode::VolumeListResult, buffer, false);
99        free(buffer);
100    }
101    cli->sendMsg(ErrorCode::CommandOkay, "Volumes Listed", false);
102    return 0;
103}
104