1 /*
2 * Copyright (c) 2021 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 "device_manager_notify.h"
19 #include "dm_constants.h"
20 #include "dm_log.h"
21 #include "ipc_cmd_register.h"
22 #include "ipc_def.h"
23
24 namespace OHOS {
25 namespace DistributedHardware {
26 IMPLEMENT_SINGLE_INSTANCE(IpcClientStub);
27
ClientIpcInterfaceMsgHandle(const IpcContext * ctx,void * ipcMsg,IpcIo * io,void * arg)28 static int32_t ClientIpcInterfaceMsgHandle(const IpcContext *ctx, void *ipcMsg, IpcIo *io, void *arg)
29 {
30 (void)arg;
31 if (ipcMsg == nullptr || io == nullptr) {
32 LOGE("invalid param");
33 return DM_INPUT_PARA_EMPTY;
34 }
35
36 uint32_t code = 0;
37 GetCode(ipcMsg, &code);
38 int32_t errCode = DM_OK;
39
40 errCode = IpcCmdRegister::GetInstance().OnIpcCmd(code, *io);
41 LOGI("receive ipc transact code:%u, retCode=%d", code, errCode);
42 FreeBuffer(ctx, ipcMsg);
43 return errCode;
44 }
45
Init()46 int32_t IpcClientStub::Init()
47 {
48 std::lock_guard<std::mutex> autoLock(lock_);
49 if (bInit) {
50 return DM_OK;
51 }
52 if (RegisterIpcCallback(ClientIpcInterfaceMsgHandle, 0, IPC_WAIT_FOREVER, &clientIdentity_, nullptr) != 0) {
53 LOGE("register ipc cb failed");
54 return DM_FAILED;
55 }
56 bInit = true;
57 return DM_OK;
58 }
59 } // namespace DistributedHardware
60 } // namespace OHOS
61