1 /*
2 * Copyright (c) 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 "dm_client.h"
17
18 #include "app_manager.h"
19 #include "device_manager.h"
20 #include "dm_error_type.h"
21 #include "dm_log.h"
22 #include "oh_device_manager_err_code.h"
23
24 namespace OHOS {
25 namespace DistributedHardware {
GetInstance()26 DmClient &DmClient::GetInstance()
27 {
28 static DmClient instance;
29 return instance;
30 }
31
Init()32 int32_t DmClient::Init()
33 {
34 std::lock_guard<std::mutex> lck(initMtx_);
35 if (pkgName_.empty()) {
36 std::string bundleName = "";
37 int32_t ret = AppManager::GetInstance().GetBundleNameForSelf(bundleName);
38 if (ret != DM_OK || bundleName.empty()) {
39 LOGE("Get bundle name failed, ret=%{public}d", ret);
40 return DM_ERR_OBTAIN_BUNDLE_NAME;
41 }
42 pkgName_ = bundleName;
43 }
44 if (dmInitCallback_ == nullptr) {
45 dmInitCallback_ = std::make_shared<DmClient::InitCallback>();
46 }
47 int32_t ret = DeviceManager::GetInstance().InitDeviceManager(pkgName_, dmInitCallback_);
48 if (ret != DM_OK) {
49 LOGE("Init DeviceManager failed, ret=%{public}d", ret);
50 return DM_ERR_OBTAIN_SERVICE;
51 }
52 return ERR_OK;
53 }
54
UnInit()55 int32_t DmClient::UnInit()
56 {
57 std::lock_guard<std::mutex> lck(initMtx_);
58 if (dmInitCallback_ != nullptr) {
59 DeviceManager::GetInstance().UnInitDeviceManager(pkgName_);
60 }
61 pkgName_ = "";
62 return ERR_OK;
63 }
64
ReInit()65 int32_t DmClient::ReInit()
66 {
67 UnInit();
68 return Init();
69 }
70
GetLocalDeviceName(std::string & deviceName)71 int32_t DmClient::GetLocalDeviceName(std::string &deviceName)
72 {
73 int32_t ret = Init();
74 if (ret != ERR_OK) {
75 LOGE("Init dm client failed, ret=%{public}d", ret);
76 return ret;
77 }
78 ret = DeviceManager::GetInstance().GetLocalDeviceName(deviceName);
79 if (ret != DM_OK) {
80 LOGE("Get local device name failed, ret=%{public}d", ret);
81 return DM_ERR_FAILED;
82 }
83 return ERR_OK;
84 }
85
OnRemoteDied()86 void DmClient::InitCallback::OnRemoteDied()
87 {
88 DmClient::GetInstance().ReInit();
89 }
90 } // namespace DistributedHardware
91 } // namespace OHOS
92