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 "driver_ext_mgr_stub.h"
17 #include <cinttypes>
18
19 #include "hilog_wrapper.h"
20 #include "securec.h"
21
22 namespace OHOS {
23 namespace ExternalDeviceManager {
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)24 int DriverExtMgrStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
25 {
26 EDM_LOGD(MODULE_FRAMEWORK, "cmd:%u, flags:%d", code, option.GetFlags());
27 if (data.ReadInterfaceToken() != GetDescriptor()) {
28 EDM_LOGE(MODULE_FRAMEWORK, "remote descriptor is not matched");
29 return UsbErrCode::EDM_ERR_INVALID_PARAM;
30 }
31
32 switch (code) {
33 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::QUERY_DEVICE):
34 return OnQueryDevice(data, reply, option);
35 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::BIND_DEVICE):
36 return OnBindDevice(data, reply, option);
37 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::UNBIND_DEVICE):
38 return OnUnBindDevice(data, reply, option);
39 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::INPUT_CREATE_DEVICE):
40 return OnCreateDevice(data, reply, option);
41 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::INPUT_EMIT_EVENT):
42 return OnEmitEvent(data, reply, option);
43 case static_cast<uint32_t>(DriverExtMgrInterfaceCode::INPUT_DESTROY_DEVICE):
44 return OnDestroyDevice(data, reply, option);
45 default:
46 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
47 }
48 }
49
OnQueryDevice(MessageParcel & data,MessageParcel & reply,MessageOption & option)50 int32_t DriverExtMgrStub::OnQueryDevice(MessageParcel &data, MessageParcel &reply, MessageOption &option)
51 {
52 uint32_t busType = 0;
53 if (!data.ReadUint32(busType)) {
54 EDM_LOGE(MODULE_FRAMEWORK, "failed to read busType");
55 return UsbErrCode::EDM_ERR_INVALID_PARAM;
56 }
57
58 std::vector<std::shared_ptr<DeviceData>> devices;
59 UsbErrCode ret = QueryDevice(busType, devices);
60 if (ret != UsbErrCode::EDM_OK) {
61 EDM_LOGE(MODULE_FRAMEWORK, "failed to call QueryDevice function:%{public}d", static_cast<int32_t>(ret));
62 return ret;
63 }
64
65 if (!reply.WriteUint64(static_cast<uint64_t>(devices.size()))) {
66 EDM_LOGE(MODULE_FRAMEWORK, "failed to write size of devices");
67 return UsbErrCode::EDM_ERR_INVALID_PARAM;
68 }
69
70 for (uint64_t i = 0; i < devices.size(); i++) {
71 if (devices[i] == nullptr) {
72 EDM_LOGE(MODULE_FRAMEWORK, "invalid %{public}016" PRIX64 " device", i);
73 return UsbErrCode::EDM_ERR_INVALID_PARAM;
74 }
75
76 if (!devices[i]->Marshalling(reply)) {
77 EDM_LOGE(MODULE_FRAMEWORK, "failed to write %{public}016" PRIX64 " device", i);
78 return UsbErrCode::EDM_ERR_INVALID_PARAM;
79 }
80 }
81
82 return UsbErrCode::EDM_OK;
83 }
84
OnBindDevice(MessageParcel & data,MessageParcel & reply,MessageOption & option)85 int32_t DriverExtMgrStub::OnBindDevice(MessageParcel &data, MessageParcel &reply, MessageOption &option)
86 {
87 uint64_t deviceId = 0;
88 if (!data.ReadUint64(deviceId)) {
89 EDM_LOGE(MODULE_FRAMEWORK, "failed to read deviceId");
90 return UsbErrCode::EDM_ERR_INVALID_PARAM;
91 }
92
93 sptr<IRemoteObject> remote = data.ReadRemoteObject();
94 if (remote == nullptr) {
95 EDM_LOGE(MODULE_FRAMEWORK, "failed to read remote object of connectCallback");
96 return UsbErrCode::EDM_ERR_INVALID_PARAM;
97 }
98
99 sptr<IDriverExtMgrCallback> connectCallback = iface_cast<IDriverExtMgrCallback>(remote);
100 if (connectCallback == nullptr) {
101 EDM_LOGE(MODULE_FRAMEWORK, "failed to create connectCallback object");
102 return UsbErrCode::EDM_ERR_INVALID_PARAM;
103 }
104
105 UsbErrCode ret = BindDevice(deviceId, connectCallback);
106 if (ret != UsbErrCode::EDM_OK) {
107 EDM_LOGE(MODULE_FRAMEWORK, "failed to call BindDevice function:%{public}d", static_cast<int32_t>(ret));
108 return ret;
109 }
110
111 return UsbErrCode::EDM_OK;
112 }
113
OnUnBindDevice(MessageParcel & data,MessageParcel & reply,MessageOption & option)114 int32_t DriverExtMgrStub::OnUnBindDevice(MessageParcel &data, MessageParcel &reply, MessageOption &option)
115 {
116 uint64_t deviceId = 0;
117 if (!data.ReadUint64(deviceId)) {
118 EDM_LOGE(MODULE_FRAMEWORK, "failed to read deviceId");
119 return UsbErrCode::EDM_ERR_INVALID_PARAM;
120 }
121
122 UsbErrCode ret = UnBindDevice(deviceId);
123 if (ret != UsbErrCode::EDM_OK) {
124 EDM_LOGE(MODULE_FRAMEWORK, "failed to call UnBindDevice function:%{public}d", static_cast<int32_t>(ret));
125 return ret;
126 }
127
128 return UsbErrCode::EDM_OK;
129 }
130
OnCreateDevice(MessageParcel & data,MessageParcel & reply,MessageOption & option)131 int32_t DriverExtMgrStub::OnCreateDevice(MessageParcel &data, MessageParcel &reply, MessageOption &option)
132 {
133 auto hidDevice = HidDeviceUnMarshalling(data);
134 if (!hidDevice.has_value()) {
135 EDM_LOGE(MODULE_FRAMEWORK, "failed to read hidDevice");
136 return HID_DDK_INVALID_PARAMETER;
137 }
138
139 auto hidEventProperties = HidEventPropertiesUnMarshalling(data);
140 if (!hidEventProperties.has_value()) {
141 EDM_LOGE(MODULE_FRAMEWORK, "failed to read hidEventProperties");
142 return HID_DDK_INVALID_PARAMETER;
143 }
144
145 auto device = &(hidDevice.value());
146 auto eventProperties = &(hidEventProperties.value());
147 int32_t ret = CreateDevice(device, eventProperties);
148 delete[] device->deviceName;
149 delete device->properties;
150 delete eventProperties->hidEventTypes.hidEventType;
151 delete eventProperties->hidKeys.hidKeyCode;
152 delete eventProperties->hidAbs.hidAbsAxes;
153 delete eventProperties->hidRelBits.hidRelAxes;
154 delete eventProperties->hidMiscellaneous.hidMscEvent;
155 if (ret < HID_DDK_SUCCESS) {
156 EDM_LOGE(MODULE_FRAMEWORK, "failed to call CreateDevice function:%{public}d", ret);
157 }
158 return ret;
159 }
160
OnEmitEvent(MessageParcel & data,MessageParcel & reply,MessageOption & option)161 int32_t DriverExtMgrStub::OnEmitEvent(MessageParcel &data, MessageParcel &reply, MessageOption &option)
162 {
163 int32_t deviceId = -1;
164 auto items = EmitItemUnMarshalling(data, deviceId);
165 if (!items.has_value()) {
166 EDM_LOGE(MODULE_FRAMEWORK, "failed to read emit items");
167 return HID_DDK_INVALID_PARAMETER;
168 }
169
170 int32_t ret = EmitEvent(deviceId, items.value());
171 if (ret != HID_DDK_SUCCESS) {
172 EDM_LOGE(MODULE_FRAMEWORK, "failed to call EmitEvent function:%{public}d", ret);
173 return ret;
174 }
175
176 return HID_DDK_SUCCESS;
177 }
178
OnDestroyDevice(MessageParcel & data,MessageParcel & reply,MessageOption & option)179 int32_t DriverExtMgrStub::OnDestroyDevice(MessageParcel &data, MessageParcel &reply, MessageOption &option)
180 {
181 uint32_t deviceId = 0;
182 if (!data.ReadUint32(deviceId)) {
183 EDM_LOGE(MODULE_FRAMEWORK, "failed to read deviceId");
184 return HID_DDK_INVALID_PARAMETER;
185 }
186
187 int32_t ret = DestroyDevice(static_cast<int32_t>(deviceId));
188 if (ret != HID_DDK_SUCCESS) {
189 EDM_LOGE(MODULE_FRAMEWORK, "failed to call DestroyDevice function:%{public}d", ret);
190 return ret;
191 }
192
193 return HID_DDK_SUCCESS;
194 }
195 } // namespace ExternalDeviceManager
196 } // namespace OHOS
197