1 /*
2 * Copyright (c) 2022-2023 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 "ipc_client_manager.h"
17
18 #include "device_manager_ipc_interface_code.h"
19 #include "dm_constants.h"
20 #include "dm_log.h"
21 #include "ipc_client_stub.h"
22 #include "ipc_register_listener_req.h"
23
24 namespace OHOS {
25 namespace DistributedHardware {
Init(const std::string & pkgName)26 int32_t IpcClientManager::Init(const std::string &pkgName)
27 {
28 if (IsInit(pkgName)) {
29 LOGI("already init");
30 return DM_OK;
31 }
32 if (serverProxy_.Init() != DM_OK) {
33 LOGE("server proxy init failed.");
34 return ERR_DM_INIT_FAILED;
35 }
36 if (IpcClientStub::GetInstance().Init() != DM_OK) {
37 LOGE("ipcclientstub init failed.");
38 return ERR_DM_INIT_FAILED;
39 }
40
41 std::shared_ptr<IpcRegisterListenerReq> req = std::make_shared<IpcRegisterListenerReq>();
42 std::shared_ptr<IpcRsp> rsp = std::make_shared<IpcRsp>();
43 req->SetPkgName(pkgName);
44 req->SetSvcIdentity(IpcClientStub::GetInstance().GetSvcIdentity());
45 int32_t ret = serverProxy_.SendCmd(REGISTER_DEVICE_MANAGER_LISTENER, req, rsp);
46 if (ret != DM_OK) {
47 LOGE("InitDeviceManager: RegisterDeviceManagerListener Failed with ret %{public}d", ret);
48 return ret;
49 }
50 ret = rsp->GetErrCode();
51 if (ret != DM_OK) {
52 LOGE("DeviceManager::InitDeviceManager completed, pkgName: %{public}s, ret = %{public}d", pkgName.c_str(),
53 ret);
54 return ret;
55 }
56 packageInitSet_.emplace(pkgName);
57 return DM_OK;
58 }
59
UnInit(const std::string & pkgName)60 int32_t IpcClientManager::UnInit(const std::string &pkgName)
61 {
62 LOGI("UnInitDeviceManager in, pkgName %{public}s", pkgName.c_str());
63 if (!IsInit(pkgName)) {
64 return ERR_DM_FAILED;
65 }
66 std::shared_ptr<IpcReq> req = std::make_shared<IpcReq>();
67 std::shared_ptr<IpcRsp> rsp = std::make_shared<IpcRsp>();
68 req->SetPkgName(pkgName);
69 int32_t ret = serverProxy_.SendCmd(UNREGISTER_DEVICE_MANAGER_LISTENER, req, rsp);
70 if (ret != DM_OK) {
71 LOGE("UnRegisterDeviceManagerListener Failed with ret %{public}d", ret);
72 return ret;
73 }
74 ret = rsp->GetErrCode();
75 if (ret != DM_OK) {
76 LOGE("DeviceManager::UnInitDeviceManager completed, pkgName: %{public}s, ret = %{public}d", pkgName.c_str(),
77 ret);
78 return ret;
79 }
80 packageInitSet_.erase(pkgName);
81 LOGI("UnInitDeviceManager SUCCESS");
82 return DM_OK;
83 }
84
SendRequest(int32_t cmdCode,std::shared_ptr<IpcReq> req,std::shared_ptr<IpcRsp> rsp)85 int32_t IpcClientManager::SendRequest(int32_t cmdCode, std::shared_ptr<IpcReq> req, std::shared_ptr<IpcRsp> rsp)
86 {
87 CHECK_NULL_RETURN(req, ERR_DM_POINT_NULL);
88 CHECK_NULL_RETURN(rsp, ERR_DM_POINT_NULL);
89 std::string pkgName = req->GetPkgName();
90 if (!IsInit(pkgName)) {
91 LOGE("PkgName: %s is not init.", pkgName.c_str());
92 return ERR_DM_INIT_FAILED;
93 }
94 return serverProxy_.SendCmd(cmdCode, req, rsp);
95 }
96
IsInit(const std::string & pkgName)97 bool IpcClientManager::IsInit(const std::string &pkgName)
98 {
99 for (auto &iter : packageInitSet_) {
100 size_t len = iter.size();
101 if (len > pkgName.size()) {
102 continue;
103 }
104 std::string tmp = pkgName.substr(0, len);
105 if (tmp == iter) {
106 return true;
107 }
108 }
109 return false;
110 }
111
OnDmServiceDied()112 int32_t IpcClientManager::OnDmServiceDied()
113 {
114 return DM_OK;
115 }
116 } // namespace DistributedHardware
117 } // namespace OHOS
118