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 "ability_connect_helper.h"
17
18 #include "ability_manager_interface.h"
19 #include "avsession_errors.h"
20 #include "avsession_log.h"
21 #include "iservice_registry.h"
22 #include "ipc_skeleton.h"
23 #include "message_parcel.h"
24 #include "system_ability_definition.h"
25
26 namespace OHOS::AVSession {
GetInstance()27 AbilityConnectHelper& AbilityConnectHelper::GetInstance()
28 {
29 static AbilityConnectHelper abilityConnectHelper;
30 return abilityConnectHelper;
31 }
32
StartAbilityByCall(const std::string & bundleName,const std::string & abilityName)33 int32_t AbilityConnectHelper::StartAbilityByCall(const std::string& bundleName, const std::string& abilityName)
34 {
35 SLOGI("bundleName=%{public}s abilityName=%{public}s", bundleName.c_str(), abilityName.c_str());
36 MessageParcel data;
37 MessageParcel reply;
38 MessageOption option;
39 if (!data.WriteInterfaceToken(ABILITY_MANAGER_INTERFACE_TOKEN)) {
40 SLOGE("write interface token failed");
41 return ERR_MARSHALLING;
42 }
43
44 AAFwk::Want want;
45 AppExecFwk::ElementName element("", bundleName, abilityName);
46 want.SetElement(element);
47 if (!data.WriteParcelable(&want)) {
48 SLOGE("want write failed");
49 return ERR_INVALID_PARAM;
50 }
51
52 sptr<AAFwk::IAbilityConnection> connect = new(std::nothrow) AbilityConnectCallback();
53 if (connect == nullptr) {
54 SLOGE("connect is nullptr");
55 return ERR_NO_MEMORY;
56 }
57 if (!data.WriteRemoteObject(connect->AsObject())) {
58 SLOGE("resolve write failed");
59 return ERR_MARSHALLING;
60 }
61 if (!data.WriteBool(false)) {
62 SLOGE("Failed to write flag");
63 return ERR_MARSHALLING;
64 }
65 if (!data.WriteInt32(-1)) { // -1 is default connect id of ability manager
66 SLOGE("Failed to write connect id");
67 return ERR_MARSHALLING;
68 }
69
70 sptr<IRemoteObject> remote = GetSystemAbility();
71 if (remote == nullptr) {
72 return ERR_SERVICE_NOT_EXIST;
73 }
74 if (remote->SendRequest(AAFwk::IAbilityManager::START_CALL_ABILITY, data, reply, option) != 0) {
75 SLOGE("Send request error");
76 return ERR_IPC_SEND_REQUEST;
77 }
78 return reply.ReadInt32() == ERR_OK ? AVSESSION_SUCCESS : ERR_ABILITY_NOT_AVAILABLE;
79 }
80
GetSystemAbility()81 sptr<IRemoteObject> AbilityConnectHelper::GetSystemAbility()
82 {
83 sptr<ISystemAbilityManager> systemManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
84 if (systemManager == nullptr) {
85 SLOGE("Fail to get registry");
86 return nullptr;
87 }
88 sptr<IRemoteObject> remote = systemManager->GetSystemAbility(ABILITY_MGR_SERVICE_ID);
89 if (remote == nullptr) {
90 SLOGE("Fail to connect ability manager service");
91 return nullptr;
92 }
93 SLOGI("Connect ability manager service success");
94 return remote;
95 }
96
AbilityConnectionStub()97 AbilityConnectionStub::AbilityConnectionStub()
98 {}
99
~AbilityConnectionStub()100 AbilityConnectionStub::~AbilityConnectionStub()
101 {}
102
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)103 int AbilityConnectionStub::OnRemoteRequest(
104 uint32_t code, MessageParcel& data, MessageParcel& reply, MessageOption& option)
105 {
106 auto descriptor = AbilityConnectionStub::GetDescriptor();
107 auto remoteDescriptor = data.ReadInterfaceToken();
108 if (descriptor != remoteDescriptor) {
109 SLOGE("Local descriptor is not equal to remote");
110 return AVSESSION_ERROR;
111 }
112
113 auto element = data.ReadParcelable<AppExecFwk::ElementName>();
114 if (element == nullptr) {
115 SLOGE("callback stub receive element is nullptr");
116 return AVSESSION_ERROR;
117 }
118 if (code == AAFwk::IAbilityConnection::ON_ABILITY_CONNECT_DONE) {
119 auto remoteObject = data.ReadRemoteObject();
120 if (remoteObject == nullptr) {
121 SLOGE("callback stub receive remoteObject is nullptr");
122 delete element;
123 return AVSESSION_ERROR;
124 }
125 auto resultCode = data.ReadInt32();
126 OnAbilityConnectDone(*element, remoteObject, resultCode);
127 delete element;
128 return ERR_NONE;
129 }
130 if (code == AAFwk::IAbilityConnection::ON_ABILITY_DISCONNECT_DONE) {
131 auto resultCode = data.ReadInt32();
132 OnAbilityDisconnectDone(*element, resultCode);
133 delete element;
134 return ERR_NONE;
135 }
136 delete element;
137 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
138 }
139
~AbilityConnectCallback()140 AbilityConnectCallback::~AbilityConnectCallback()
141 {}
142
OnAbilityConnectDone(const AppExecFwk::ElementName & element,const sptr<IRemoteObject> & remoteObject,int resultCode)143 void AbilityConnectCallback::OnAbilityConnectDone(const AppExecFwk::ElementName& element,
144 const sptr<IRemoteObject>& __attribute__((unused)) remoteObject, int resultCode)
145 {
146 SLOGI("OnAbilityConnectDone callback, retcode:%{public}d, bundlename:%{public}s, abilityname:%{public}s",
147 resultCode, element.GetBundleName().c_str(), element.GetAbilityName().c_str());
148 }
149
OnAbilityDisconnectDone(const AppExecFwk::ElementName & element,int resultCode)150 void AbilityConnectCallback::OnAbilityDisconnectDone(const AppExecFwk::ElementName& element, int resultCode)
151 {
152 SLOGI("OnAbilityDisConnectDone callback, retcode:%{public}d, bundlename:%{public}s, abilityname:%{public}s",
153 resultCode, element.GetBundleName().c_str(), element.GetAbilityName().c_str());
154 }
155 } // namespace OHOS::AVSession