1 /*
2 * Copyright (c) 2021-2025 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 #include <sys/syscall.h>
19 #include <sys/resource.h>
20
21 #ifdef EXTERNAL_STORAGE_MANAGER
22 #include "disk/disk_config.h"
23 #include "disk/disk_info.h"
24 #include "disk/disk_manager.h"
25 #include "netlink/netlink_manager.h"
26 #endif
27 #include "ipc/storage_daemon_provider.h"
28 #include "ipc/storage_daemon.h"
29 #include "ipc_skeleton.h"
30 #include "iservice_registry.h"
31 #include "storage_service_constant.h"
32 #include "storage_service_errno.h"
33 #include "storage_service_log.h"
34 #include "system_ability_definition.h"
35 #include "user/user_manager.h"
36 #include "utils/string_utils.h"
37 #ifdef DFS_SERVICE
38 #include "cloud_daemon_manager.h"
39 #endif
40 #ifdef SUPPORT_OPEN_SOURCE_MTP_DEVICE
41 #include "mtp/mtp_device_monitor.h"
42 #endif
43 using namespace OHOS;
44 #ifdef DFS_SERVICE
45 using namespace OHOS::FileManagement::CloudFile;
46 #endif
47 using CloudListener = StorageDaemon::StorageDaemonProvider::SystemAbilityStatusChangeListener;
48
49 #ifdef EXTERNAL_STORAGE_MANAGER
50 const int CONFIG_PARAM_NUM = 6;
51 static const std::string CONFIG_PTAH = "/system/etc/storage_daemon/disk_config";
52
ParasConfig(StorageDaemon::DiskManager & dm)53 static bool ParasConfig(StorageDaemon::DiskManager &dm)
54 {
55 std::ifstream infile;
56 infile.open(CONFIG_PTAH);
57 if (!infile) {
58 LOGE("Cannot open config");
59 return false;
60 }
61
62 while (infile) {
63 std::string line;
64 std::getline(infile, line);
65 if (line.empty()) {
66 LOGI("Param config complete");
67 break;
68 }
69
70 std::string token = " ";
71 auto split = StorageDaemon::SplitLine(line, token);
72 if (split.size() != CONFIG_PARAM_NUM) {
73 LOGE("Invalids config line: number of parameters is incorrect");
74 continue;
75 }
76
77 auto it = split.begin();
78 if (*it != "sysPattern") {
79 LOGE("Invalids config line: no sysPattern");
80 continue;
81 }
82
83 auto sysPattern = *(++it);
84 if (*(++it) != "label") {
85 LOGE("Invalids config line: no label");
86 continue;
87 }
88
89 auto label = *(++it);
90 if (*(++it) != "flag") {
91 LOGE("Invalids config line: no flag");
92 continue;
93 }
94
95 it++;
96 int flag = std::atoi((*it).c_str());
97 auto diskConfig = std::make_shared<StorageDaemon::DiskConfig>(sysPattern, label, flag);
98 dm.AddDiskConfig(diskConfig);
99 }
100
101 infile.close();
102 return true;
103 }
104 #endif
105
SetPriority()106 static void SetPriority()
107 {
108 int tid = syscall(SYS_gettid);
109 if (setpriority(PRIO_PROCESS, tid, OHOS::StorageService::PRIORITY_LEVEL) != 0) {
110 LOGE("failed to set priority");
111 }
112 LOGW("set main priority: %{public}d", tid);
113 }
114
115 static const int32_t SLEEP_TIME_INTERVAL_3MS = 3 * 1000;
116
main()117 int main()
118 {
119 LOGW("storage_daemon start");
120 do {
121 auto samgr = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
122 if (samgr != nullptr) {
123 LOGE("samgr is not null");
124 sptr<StorageDaemon::StorageDaemonProvider> sd(new StorageDaemon::StorageDaemonProvider());
125 int ret = samgr->AddSystemAbility(STORAGE_MANAGER_DAEMON_ID, sd);
126 LOGE("AddSystemAbility: ret: %{public}d, errno: %{public}d", ret, errno);
127 sptr<CloudListener> listenter(new CloudListener());
128 ret = samgr->SubscribeSystemAbility(FILEMANAGEMENT_CLOUD_DAEMON_SERVICE_SA_ID, listenter);
129 LOGE("SubscribeSystemAbility for CLOUD_DAEMON_SERVICE: ret: %{public}d, errno: %{public}d", ret, errno);
130 ret = samgr->SubscribeSystemAbility(ACCESS_TOKEN_MANAGER_SERVICE_ID, listenter);
131 LOGE("SubscribeSystemAbility for MANAGER_SERVICE: ret: %{public}d, errno: %{public}d", ret, errno);
132 break;
133 }
134 usleep(SLEEP_TIME_INTERVAL_3MS);
135 } while (true);
136 LOGW("samgr GetSystemAbilityManager finish");
137
138 (void)SetPriority();
139 #ifdef EXTERNAL_STORAGE_MANAGER
140 if (StorageDaemon::NetlinkManager::Instance().Start() != E_OK) {
141 LOGE("Unable to create or start NetlinkManager");
142 };
143 StorageDaemon::DiskManager &dm = StorageDaemon::DiskManager::Instance();
144 if (!ParasConfig(dm)) {
145 LOGE("Unable to create DiskManger or parse config failed.");
146 };
147 #endif
148
149 #ifdef SUPPORT_OPEN_SOURCE_MTP_DEVICE
150 OHOS::StorageDaemon::MtpDeviceMonitor::GetInstance().StartMonitor();
151 #endif
152 LOGW("storage_daemon main function execute finish.");
153 IPCSkeleton::JoinWorkThread();
154 return 0;
155 }
156