1 /*
2 * Copyright (c) 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 <hdf_base.h>
17 #include <hdf_device_desc.h>
18 #include <hdf_device_object.h>
19 #include <hdf_log.h>
20 #include <hdf_sbuf_ipc.h>
21 #include "v1_0/media_key_system_factory_stub.h"
22 #include "v1_0/imedia_key_system_factory.h"
23
24 #define HDF_LOG_TAG media_key_system_factory_driver
25
26 using namespace OHOS::HDI::Drm::V1_0;
27
28 struct HdfMediaKeySystemFactoryHost {
29 struct IDeviceIoService ioService;
30 OHOS::sptr<OHOS::IRemoteObject> stub;
31 };
32
MediaKeySystemFactoryDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)33 static int32_t MediaKeySystemFactoryDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
34 struct HdfSBuf *reply)
35 {
36 auto *hdfMediaKeySystemFactoryHost =
37 CONTAINER_OF(client->device->service, struct HdfMediaKeySystemFactoryHost, ioService);
38
39 OHOS::MessageParcel *dataParcel = nullptr;
40 OHOS::MessageParcel *replyParcel = nullptr;
41 OHOS::MessageOption option;
42
43 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
44 HDF_LOGE("%{public}s: invalid data sbuf object to dispatch", __func__);
45 return HDF_ERR_INVALID_PARAM;
46 }
47 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
48 HDF_LOGE("%{public}s: invalid reply sbuf object to dispatch", __func__);
49 return HDF_ERR_INVALID_PARAM;
50 }
51
52 return hdfMediaKeySystemFactoryHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
53 }
54
HdfMediaKeySystemFactoryDriverInit(struct HdfDeviceObject * deviceObject)55 static int HdfMediaKeySystemFactoryDriverInit(struct HdfDeviceObject *deviceObject)
56 {
57 HDF_LOGI("%{public}s: driver init start", __func__);
58 return HDF_SUCCESS;
59 }
60
HdfMediaKeySystemFactoryDriverBind(struct HdfDeviceObject * deviceObject)61 static int HdfMediaKeySystemFactoryDriverBind(struct HdfDeviceObject *deviceObject)
62 {
63 HDF_LOGI("%{public}s: driver bind start", __func__);
64 auto *hdfMediaKeySystemFactoryHost = new (std::nothrow) HdfMediaKeySystemFactoryHost;
65 if (hdfMediaKeySystemFactoryHost == nullptr) {
66 HDF_LOGE("%{public}s: failed to create create HdfMediaKeySystemFactoryHost object", __func__);
67 return HDF_FAILURE;
68 }
69 int ret = HdfDeviceObjectSetInterfaceDesc(deviceObject, "ohos.hdi.drm.v1_0.IMediaKeySystemFactory");
70 if (ret != HDF_SUCCESS) {
71 HDF_LOGE("%{public}s: failed to HdfDeviceObjectSetInterfaceDesc", __func__);
72 }
73
74 hdfMediaKeySystemFactoryHost->ioService.Dispatch = MediaKeySystemFactoryDriverDispatch;
75 hdfMediaKeySystemFactoryHost->ioService.Open = NULL;
76 hdfMediaKeySystemFactoryHost->ioService.Release = NULL;
77
78 auto serviceImpl = OHOS::HDI::Drm::V1_0::IMediaKeySystemFactory::Get("clearplay_service", true);
79 if (serviceImpl == nullptr) {
80 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
81 delete hdfMediaKeySystemFactoryHost;
82 return HDF_FAILURE;
83 }
84
85 hdfMediaKeySystemFactoryHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
86 OHOS::HDI::Drm::V1_0::IMediaKeySystemFactory::GetDescriptor());
87 if (hdfMediaKeySystemFactoryHost->stub == nullptr) {
88 HDF_LOGE("%{public}s: failed to get stub object", __func__);
89 delete hdfMediaKeySystemFactoryHost;
90 return HDF_FAILURE;
91 }
92
93 deviceObject->service = &hdfMediaKeySystemFactoryHost->ioService;
94 return HDF_SUCCESS;
95 }
96
HdfMediaKeySystemFactoryDriverRelease(struct HdfDeviceObject * deviceObject)97 static void HdfMediaKeySystemFactoryDriverRelease(struct HdfDeviceObject *deviceObject)
98 {
99 HDF_LOGI("%{public}s: driver release start", __func__);
100 if (deviceObject->service == nullptr) {
101 return;
102 }
103
104 auto *hdfMediaKeySystemFactoryHost =
105 CONTAINER_OF(deviceObject->service, struct HdfMediaKeySystemFactoryHost, ioService);
106 if (hdfMediaKeySystemFactoryHost != nullptr) {
107 delete hdfMediaKeySystemFactoryHost;
108 }
109 }
110
111 struct HdfDriverEntry g_mediakeysystemfactoryDriverEntry = {
112 .moduleVersion = 1,
113 .moduleName = "clearplay_service",
114 .Bind = HdfMediaKeySystemFactoryDriverBind,
115 .Init = HdfMediaKeySystemFactoryDriverInit,
116 .Release = HdfMediaKeySystemFactoryDriverRelease,
117 };
118
119 #ifdef __cplusplus
120 extern "C" {
121 #endif /* __cplusplus */
122 HDF_INIT(g_mediakeysystemfactoryDriverEntry);
123 #ifdef __cplusplus
124 }
125 #endif /* __cplusplus */
126