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_cmd_register.h"
17
18 #include <utility> // for pair
19
20 #include "dm_constants.h"
21 #include "dm_log.h"
22 #include "ipc_def.h"
23 namespace OHOS { class MessageParcel; }
24
25 namespace OHOS {
26 namespace DistributedHardware {
27 IMPLEMENT_SINGLE_INSTANCE(IpcCmdRegister);
28
SetRequest(int32_t cmdCode,std::shared_ptr<IpcReq> pBaseReq,MessageParcel & data)29 int32_t IpcCmdRegister::SetRequest(int32_t cmdCode, std::shared_ptr<IpcReq> pBaseReq, MessageParcel &data)
30 {
31 int32_t ret = DM_OK;
32 if (cmdCode < 0 || cmdCode >= IPC_MSG_BUTT || pBaseReq == nullptr) {
33 LOGE("IpcCmdRegister::SetRequest cmdCode param invalid!");
34 return ERR_DM_INPUT_PARA_INVALID;
35 }
36
37 if (setIpcRequestFuncMap_.count(cmdCode) == 0) {
38 LOGE("cmdCode:%d not register SetRequestFunc", cmdCode);
39 return ERR_DM_UNSUPPORTED_IPC_COMMAND;
40 }
41
42 auto setRequestMapIter = setIpcRequestFuncMap_.find(cmdCode);
43 if (setRequestMapIter != setIpcRequestFuncMap_.end()) {
44 SetIpcRequestFunc ptr = setRequestMapIter->second;
45 if (ptr == nullptr) {
46 LOGE("IpcCmdRegister::SetRequest setRequestMapIter->second is null");
47 return ERR_DM_POINT_NULL;
48 }
49 ret = (setRequestMapIter->second)(pBaseReq, data);
50 }
51 return ret;
52 }
53
ReadResponse(int32_t cmdCode,MessageParcel & reply,std::shared_ptr<IpcRsp> pBaseRsp)54 int32_t IpcCmdRegister::ReadResponse(int32_t cmdCode, MessageParcel &reply, std::shared_ptr<IpcRsp> pBaseRsp)
55 {
56 if (cmdCode < 0 || cmdCode >= IPC_MSG_BUTT) {
57 LOGE("IpcCmdRegister::ReadResponse cmdCode param invalid!");
58 return ERR_DM_INPUT_PARA_INVALID;
59 }
60 auto readResponseMapIter = readResponseFuncMap_.find(cmdCode);
61 if (readResponseMapIter == readResponseFuncMap_.end()) {
62 LOGE("cmdCode:%d not register ReadResponseFunc", cmdCode);
63 return ERR_DM_UNSUPPORTED_IPC_COMMAND;
64 }
65 if (readResponseMapIter->second == nullptr) {
66 return ERR_DM_POINT_NULL;
67 }
68 return (readResponseMapIter->second)(reply, pBaseRsp);
69 }
70
OnIpcCmd(int32_t cmdCode,MessageParcel & data,MessageParcel & reply)71 int32_t IpcCmdRegister::OnIpcCmd(int32_t cmdCode, MessageParcel &data, MessageParcel &reply)
72 {
73 if (cmdCode < 0 || cmdCode >= IPC_MSG_BUTT) {
74 LOGE("IpcCmdRegister::OnIpcCmd cmdCode param invalid!");
75 return ERR_DM_INPUT_PARA_INVALID;
76 }
77 auto onIpcCmdMapIter = onIpcCmdFuncMap_.find(cmdCode);
78 if (onIpcCmdMapIter == onIpcCmdFuncMap_.end()) {
79 LOGE("cmdCode:%d not register OnIpcCmdFunc", cmdCode);
80 return ERR_DM_UNSUPPORTED_IPC_COMMAND;
81 }
82 if (onIpcCmdMapIter->second == nullptr) {
83 return ERR_DM_POINT_NULL;
84 }
85 return (onIpcCmdMapIter->second)(data, reply);
86 }
87 } // namespace DistributedHardware
88 } // namespace OHOS
89