1 /*
2 * Copyright (c) 2022-2023 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 "dcamera_hdf_operate.h"
17
18 #include <hdf_base.h>
19 #include <hdf_device_class.h>
20
21 #include "anonymous_string.h"
22 #include "distributed_camera_errno.h"
23 #include "distributed_hardware_log.h"
24
25 namespace OHOS {
26 namespace DistributedHardware {
27 IMPLEMENT_SINGLE_INSTANCE(DCameraHdfOperate);
28
OnReceive(const ServiceStatus & status)29 void DCameraHdfServStatListener::OnReceive(const ServiceStatus& status)
30 {
31 DHLOGI("service status on receive");
32 if (status.serviceName == CAMERA_SERVICE_NAME || status.serviceName == PROVIDER_SERVICE_NAME) {
33 callback_(status);
34 }
35 }
36
LoadDcameraHDFImpl()37 int32_t DCameraHdfOperate::LoadDcameraHDFImpl()
38 {
39 if (cameraServStatus_.load() == OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START &&
40 providerServStatus_.load() == OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START) {
41 DHLOGI("service has already start");
42 return DCAMERA_OK;
43 }
44 OHOS::sptr<IServiceManager> servMgr = IServiceManager::Get();
45 OHOS::sptr<IDeviceManager> devmgr = IDeviceManager::Get();
46 if (servMgr == nullptr || devmgr == nullptr) {
47 DHLOGE("get hdi service manager or device manager failed!");
48 return DCAMERA_BAD_VALUE;
49 }
50
51 ::OHOS::sptr<IServStatListener> listener(
52 new DCameraHdfServStatListener(DCameraHdfServStatListener::StatusCallback([&](const ServiceStatus& status) {
53 DHLOGI("LoadCameraService service status callback, serviceName: %{public}s, status: %{public}d",
54 status.serviceName.c_str(), status.status);
55 std::unique_lock<std::mutex> lock(hdfOperateMutex_);
56 if (status.serviceName == CAMERA_SERVICE_NAME) {
57 cameraServStatus_.store(status.status);
58 hdfOperateCon_.notify_one();
59 } else if (status.serviceName == PROVIDER_SERVICE_NAME) {
60 providerServStatus_.store(status.status);
61 hdfOperateCon_.notify_one();
62 }
63 })));
64 if (servMgr->RegisterServiceStatusListener(listener, DEVICE_CLASS_CAMERA) != 0) {
65 DHLOGE("RegisterServiceStatusListener failed!");
66 return DCAMERA_BAD_VALUE;
67 }
68
69 DHLOGI("Load camera service.");
70 int32_t ret = devmgr->LoadDevice(CAMERA_SERVICE_NAME);
71 if (ret != HDF_SUCCESS && ret != HDF_ERR_DEVICE_BUSY) {
72 return DCAMERA_BAD_OPERATE;
73 }
74 if (WaitLoadCameraService() != DCAMERA_OK) {
75 return DCAMERA_BAD_OPERATE;
76 }
77
78 ret = devmgr->LoadDevice(PROVIDER_SERVICE_NAME);
79 if (ret != HDF_SUCCESS && ret != HDF_ERR_DEVICE_BUSY) {
80 DHLOGE("Load provider service failed!");
81 return DCAMERA_BAD_OPERATE;
82 }
83 if (WaitLoadProviderService() != DCAMERA_OK) {
84 return DCAMERA_BAD_OPERATE;
85 }
86
87 if (servMgr->UnregisterServiceStatusListener(listener) != 0) {
88 DHLOGE("UnregisterServiceStatusListener failed!");
89 }
90 return DCAMERA_OK;
91 }
92
WaitLoadCameraService()93 int32_t DCameraHdfOperate::WaitLoadCameraService()
94 {
95 DHLOGI("wait Load camera service.");
96 std::unique_lock<std::mutex> lock(hdfOperateMutex_);
97 hdfOperateCon_.wait_for(lock, std::chrono::milliseconds(WAIT_TIME), [this] {
98 return (this->cameraServStatus_.load() == OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START);
99 });
100
101 if (cameraServStatus_.load() != OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START) {
102 DHLOGE("wait load cameraService failed, status %{public}d", cameraServStatus_.load());
103 return DCAMERA_BAD_OPERATE;
104 }
105
106 return DCAMERA_OK;
107 }
108
WaitLoadProviderService()109 int32_t DCameraHdfOperate::WaitLoadProviderService()
110 {
111 DHLOGI("wait Load provider service.");
112 std::unique_lock<std::mutex> lock(hdfOperateMutex_);
113 hdfOperateCon_.wait_for(lock, std::chrono::milliseconds(WAIT_TIME), [this] {
114 return (this->providerServStatus_.load() == OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START);
115 });
116
117 if (providerServStatus_.load() != OHOS::HDI::ServiceManager::V1_0::SERVIE_STATUS_START) {
118 DHLOGE("wait load providerService failed, status %{public}d", providerServStatus_.load());
119 return DCAMERA_BAD_OPERATE;
120 }
121
122 return DCAMERA_OK;
123 }
124
UnLoadDcameraHDFImpl()125 int32_t DCameraHdfOperate::UnLoadDcameraHDFImpl()
126 {
127 DHLOGI("UnLoadCameraHDFImpl begin!");
128 OHOS::sptr<IDeviceManager> devmgr = IDeviceManager::Get();
129 if (devmgr == nullptr) {
130 DHLOGE("get hdi device manager failed!");
131 return DCAMERA_BAD_VALUE;
132 }
133
134 int32_t ret = devmgr->UnloadDevice(CAMERA_SERVICE_NAME);
135 if (ret != 0) {
136 DHLOGE("Unload camera service failed, ret: %{public}d", ret);
137 }
138 ret = devmgr->UnloadDevice(PROVIDER_SERVICE_NAME);
139 if (ret != 0) {
140 DHLOGE("Unload provider service failed, ret: %d", ret);
141 }
142 cameraServStatus_.store(INVALID_VALUE);
143 providerServStatus_.store(INVALID_VALUE);
144 DHLOGI("UnLoadCameraHDFImpl end!");
145 return DCAMERA_OK;
146 }
147 } // namespace DistributedHardware
148 } // namespace OHOS
149