1 /*
2 * Copyright (c) 2022 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 "ipc_client_stub.h"
17
18 #include "dm_constants.h"
19 #include "dm_log.h"
20 #include "ipc_cmd_register.h"
21 #include "ipc_object_stub.h" // for IPCObjectStub
22 #include "message_option.h" // for MessageOption
23 #include "message_parcel.h" // for MessageParcel
24 namespace OHOS::DistributedHardware { class IpcReq; }
25 namespace OHOS::DistributedHardware { class IpcRsp; }
26
27 namespace OHOS {
28 namespace DistributedHardware {
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)29 int32_t IpcClientStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
30 {
31 auto remoteDescriptor = data.ReadInterfaceToken();
32 if (GetDescriptor() != remoteDescriptor) {
33 LOGI("ReadInterfaceToken fail!");
34 return ERR_DM_IPC_READ_FAILED;
35 }
36 if (IpcCmdRegister::GetInstance().OnIpcCmd((int32_t)code, data, reply) == DM_OK) {
37 return DM_OK;
38 }
39 LOGW("unsupported code: %u", code);
40 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
41 }
42
SendCmd(int32_t cmdCode,std::shared_ptr<IpcReq> req,std::shared_ptr<IpcRsp> rsp)43 int32_t IpcClientStub::SendCmd(int32_t cmdCode, std::shared_ptr<IpcReq> req, std::shared_ptr<IpcRsp> rsp)
44 {
45 if (cmdCode < 0 || cmdCode >= IPC_MSG_BUTT) {
46 LOGE("IpcClientStub::SetRequest cmdCode param invalid!");
47 return ERR_DM_INPUT_PARA_INVALID;
48 }
49 LOGI("SendCmd cmdCode: %d", cmdCode);
50 MessageParcel data;
51 MessageParcel reply;
52 MessageOption option;
53 if (IpcCmdRegister::GetInstance().SetRequest(cmdCode, req, data) != DM_OK) {
54 LOGE("set request cmd failed");
55 return ERR_DM_IPC_SEND_REQUEST_FAILED;
56 }
57
58 LOGI("cmdCode = %d, flags = %d.", cmdCode, option.GetFlags());
59 if (IpcCmdRegister::GetInstance().OnIpcCmd(cmdCode, data, reply) == DM_OK) {
60 LOGE("on ipc cmd success");
61 return DM_OK;
62 }
63 return IpcCmdRegister::GetInstance().ReadResponse(cmdCode, reply, rsp);
64 }
65 } // namespace DistributedHardware
66 } // namespace OHOS
67