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 CHECK_SIZE_RETURN(packageInitSet_, ERR_DM_FAILED);
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 std::lock_guard<std::mutex> autoLock(packageInitSetLock_);
57 packageInitSet_.emplace(pkgName);
58 return DM_OK;
59 }
60
UnInit(const std::string & pkgName)61 int32_t IpcClientManager::UnInit(const std::string &pkgName)
62 {
63 LOGI("UnInitDeviceManager in, pkgName %{public}s", pkgName.c_str());
64 if (!IsInit(pkgName)) {
65 return ERR_DM_FAILED;
66 }
67 std::shared_ptr<IpcReq> req = std::make_shared<IpcReq>();
68 std::shared_ptr<IpcRsp> rsp = std::make_shared<IpcRsp>();
69 req->SetPkgName(pkgName);
70 int32_t ret = serverProxy_.SendCmd(UNREGISTER_DEVICE_MANAGER_LISTENER, req, rsp);
71 if (ret != DM_OK) {
72 LOGE("UnRegisterDeviceManagerListener Failed with ret %{public}d", ret);
73 return ret;
74 }
75 ret = rsp->GetErrCode();
76 if (ret != DM_OK) {
77 LOGE("DeviceManager::UnInitDeviceManager completed, pkgName: %{public}s, ret = %{public}d", pkgName.c_str(),
78 ret);
79 return ret;
80 }
81 std::lock_guard<std::mutex> autoLock(packageInitSetLock_);
82 packageInitSet_.erase(pkgName);
83 LOGI("UnInitDeviceManager SUCCESS");
84 return DM_OK;
85 }
86
SendRequest(int32_t cmdCode,std::shared_ptr<IpcReq> req,std::shared_ptr<IpcRsp> rsp)87 int32_t IpcClientManager::SendRequest(int32_t cmdCode, std::shared_ptr<IpcReq> req, std::shared_ptr<IpcRsp> rsp)
88 {
89 CHECK_NULL_RETURN(req, ERR_DM_POINT_NULL);
90 CHECK_NULL_RETURN(rsp, ERR_DM_POINT_NULL);
91 std::string pkgName = req->GetPkgName();
92 if (!IsInit(pkgName)) {
93 LOGE("PkgName: %s is not init.", pkgName.c_str());
94 return ERR_DM_INIT_FAILED;
95 }
96 return serverProxy_.SendCmd(cmdCode, req, rsp);
97 }
98
IsInit(const std::string & pkgName)99 bool IpcClientManager::IsInit(const std::string &pkgName)
100 {
101 std::lock_guard<std::mutex> autoLock(packageInitSetLock_);
102 for (auto &iter : packageInitSet_) {
103 size_t len = iter.size();
104 if (len > pkgName.size()) {
105 continue;
106 }
107 std::string tmp = pkgName.substr(0, len);
108 if (tmp == iter) {
109 return true;
110 }
111 }
112 return false;
113 }
114
OnDmServiceDied()115 int32_t IpcClientManager::OnDmServiceDied()
116 {
117 return DM_OK;
118 }
119 } // namespace DistributedHardware
120 } // namespace OHOS
121