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 "module_ipc/svc_backup_connection.h"
17
18 #include "ability_manager_client.h"
19 #include "filemgmt_libhilog.h"
20 #include "module_ipc/svc_extension_proxy.h"
21 #include "module_ipc/svc_session_manager.h"
22
23 namespace OHOS::FileManagement::Backup {
24 constexpr int WAIT_TIME = 3;
25 using namespace std;
26
OnAbilityConnectDone(const AppExecFwk::ElementName & element,const sptr<IRemoteObject> & remoteObject,int resultCode)27 void SvcBackupConnection::OnAbilityConnectDone(const AppExecFwk::ElementName &element,
28 const sptr<IRemoteObject> &remoteObject,
29 int resultCode)
30 {
31 HILOGI("called begin");
32 if (remoteObject == nullptr) {
33 HILOGE("Failed to ability connect done, remote is nullptr");
34 return;
35 }
36 backupProxy_ = iface_cast<SvcExtensionProxy>(remoteObject);
37 if (backupProxy_ == nullptr) {
38 HILOGE("Failed to ability connect done, backupProxy_ is nullptr");
39 return;
40 }
41 isConnected_.store(true);
42 string bundleName = element.GetBundleName();
43 callConnDone_(move(bundleName));
44 HILOGI("called end");
45 }
46
OnAbilityDisconnectDone(const AppExecFwk::ElementName & element,int resultCode)47 void SvcBackupConnection::OnAbilityDisconnectDone(const AppExecFwk::ElementName &element, int resultCode)
48 {
49 HILOGI("called begin");
50 if (isConnectedDone_ == false) {
51 string bundleName = element.GetBundleName();
52 HILOGE("It's error that the backup extension dies before the backup sa. name : %{public}s", bundleName.data());
53 callDied_(move(bundleName));
54 }
55 backupProxy_ = nullptr;
56 isConnected_.store(false);
57 condition_.notify_all();
58 HILOGI("called end");
59 }
60
ConnectBackupExtAbility(AAFwk::Want & want,int32_t userId)61 ErrCode SvcBackupConnection::ConnectBackupExtAbility(AAFwk::Want &want, int32_t userId)
62 {
63 HILOGI("called begin");
64 std::unique_lock<std::mutex> lock(mutex_);
65 ErrCode ret =
66 AAFwk::AbilityManagerClient::GetInstance()->ConnectAbility(want, this, userId);
67 HILOGI("called end, ret=%{public}d", ret);
68 return ret;
69 }
70
DisconnectBackupExtAbility()71 ErrCode SvcBackupConnection::DisconnectBackupExtAbility()
72 {
73 HILOGI("called begin");
74 isConnectedDone_.store(true);
75 std::unique_lock<std::mutex> lock(mutex_);
76 ErrCode ret = AppExecFwk::AbilityManagerClient::GetInstance()->DisconnectAbility(this);
77 auto callback = [extConn {wptr(this)}] {
78 auto extPtr = extConn.promote();
79 if (!extPtr) {
80 HILOGE("Dis connect failed");
81 return false;
82 }
83 return extPtr->GetBackupExtProxy() == nullptr;
84 };
85 if (condition_.wait_for(lock, std::chrono::seconds(WAIT_TIME), callback)) {
86 HILOGI("Wait until the connection ends");
87 }
88 HILOGI("called end, ret=%{public}d", ret);
89 return ret;
90 }
91
IsExtAbilityConnected()92 bool SvcBackupConnection::IsExtAbilityConnected()
93 {
94 return isConnected_.load();
95 }
96
GetBackupExtProxy()97 sptr<IExtension> SvcBackupConnection::GetBackupExtProxy()
98 {
99 return backupProxy_;
100 }
101 } // namespace OHOS::FileManagement::Backup