1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <fstream>
17 #include <unistd.h>
18 
19 #ifdef EXTERNAL_STORAGE_MANAGER
20 #include "disk/disk_config.h"
21 #include "disk/disk_info.h"
22 #include "disk/disk_manager.h"
23 #include "netlink/netlink_manager.h"
24 #endif
25 #include "ipc/storage_daemon.h"
26 #include "ipc_skeleton.h"
27 #include "iservice_registry.h"
28 #include "storage_service_log.h"
29 #include "system_ability_definition.h"
30 #include "user/user_manager.h"
31 #include "utils/string_utils.h"
32 #ifdef DFS_SERVICE
33 #include "cloud_daemon_manager.h"
34 #endif
35 #ifdef SUPPORT_OPEN_SOURCE_MTP_DEVICE
36 #include "mtp/mtp_device_monitor.h"
37 #endif
38 using namespace OHOS;
39 #ifdef DFS_SERVICE
40 using namespace OHOS::FileManagement::CloudFile;
41 #endif
42 using CloudListener = StorageDaemon::StorageDaemon::SystemAbilityStatusChangeListener;
43 
44 #ifdef EXTERNAL_STORAGE_MANAGER
45 const int CONFIG_PARAM_NUM = 6;
46 static const std::string CONFIG_PTAH = "/system/etc/storage_daemon/disk_config";
47 
ParasConfig(StorageDaemon::DiskManager *dm)48 static bool ParasConfig(StorageDaemon::DiskManager *dm)
49 {
50     if (dm == nullptr) {
51         LOGE("Unable to get DiskManger");
52         return false;
53     }
54     std::ifstream infile;
55     infile.open(CONFIG_PTAH);
56     if (!infile) {
57         LOGE("Cannot open config");
58         return false;
59     }
60 
61     while (infile) {
62         std::string line;
63         std::getline(infile, line);
64         if (line.empty()) {
65             LOGI("Param config complete");
66             break;
67         }
68 
69         std::string token = " ";
70         auto split = StorageDaemon::SplitLine(line, token);
71         if (split.size() != CONFIG_PARAM_NUM) {
72             LOGE("Invalids config line: number of parameters is incorrect");
73             continue;
74         }
75 
76         auto it = split.begin();
77         if (*it != "sysPattern") {
78             LOGE("Invalids config line: no sysPattern");
79             continue;
80         }
81 
82         auto sysPattern = *(++it);
83         if (*(++it) != "label") {
84             LOGE("Invalids config line: no label");
85             continue;
86         }
87 
88         auto label = *(++it);
89         if (*(++it) != "flag") {
90             LOGE("Invalids config line: no flag");
91             continue;
92         }
93 
94         it++;
95         int flag = std::atoi((*it).c_str());
96         auto diskConfig =  std::make_shared<StorageDaemon::DiskConfig>(sysPattern, label, flag);
97         dm->AddDiskConfig(diskConfig);
98     }
99 
100     infile.close();
101     return true;
102 }
103 #endif
104 
105 static const int32_t SLEEP_TIME_INTERVAL_3MS = 3 * 1000;
106 
main()107 int main()
108 {
109     LOGI("storage_daemon start");
110 #ifdef EXTERNAL_STORAGE_MANAGER
111     StorageDaemon::NetlinkManager *nm = StorageDaemon::NetlinkManager::Instance();
112     if (!nm) {
113         LOGE("Unable to create NetlinkManager");
114         return -1;
115     };
116 
117     if (nm->Start()) {
118         LOGE("Unable to start NetlinkManager");
119         return -1;
120     }
121 
122     StorageDaemon::DiskManager *dm = StorageDaemon::DiskManager::Instance();
123     if (!dm) {
124         LOGE("Unable to create DiskManger");
125         return -1;
126     }
127 
128     if (!ParasConfig(dm)) {
129         LOGE("Paras config failed");
130         return -1;
131     }
132 #endif
133 
134 #ifdef SUPPORT_OPEN_SOURCE_MTP_DEVICE
135     DelayedSingleton<OHOS::StorageDaemon::MtpDeviceMonitor>::GetInstance()->StartMonitor();
136 #endif
137 
138     do {
139         auto samgr = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
140         if (samgr != nullptr) {
141             LOGE("samgr is not null");
142             sptr<StorageDaemon::StorageDaemon> sd(new StorageDaemon::StorageDaemon());
143             int ret = samgr->AddSystemAbility(STORAGE_MANAGER_DAEMON_ID, sd);
144             LOGI("AddSystemAbility: ret: %{public}d, errno: %{public}d", ret, errno);
145             sptr<CloudListener> listenter(new CloudListener());
146             ret = samgr->SubscribeSystemAbility(FILEMANAGEMENT_CLOUD_DAEMON_SERVICE_SA_ID, listenter);
147             LOGI("SubscribeSystemAbility for CLOUD_DAEMON_SERVICE: ret: %{public}d, errno: %{public}d", ret, errno);
148             ret = samgr->SubscribeSystemAbility(ACCESS_TOKEN_MANAGER_SERVICE_ID, listenter);
149             LOGI("SubscribeSystemAbility for MANAGER_SERVICE: ret: %{public}d, errno: %{public}d", ret, errno);
150             break;
151         }
152         usleep(SLEEP_TIME_INTERVAL_3MS);
153     } while (true);
154     LOGE("samgr GetSystemAbilityManager finish");
155     IPCSkeleton::JoinWorkThread();
156 
157     return 0;
158 }
159