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 #ifndef OHOS_IPC_IREMOTE_INVOKER_H
17 #define OHOS_IPC_IREMOTE_INVOKER_H
18 
19 #include <unistd.h>
20 #include <sys/types.h>
21 #include "parcel.h"
22 #include "sys_binder.h"
23 #include "iremote_object.h"
24 #include "ipc_file_descriptor.h"
25 
26 namespace OHOS {
27 #ifdef CONFIG_IPC_SINGLE
28 namespace IPC_SINGLE {
29 #endif
30 class IRemoteInvoker {
31 public:
32     enum {
33         IDLE_INVOKER,
34         ACTIVE_INVOKER,
35     };
36     virtual ~IRemoteInvoker() = default;
37     virtual bool AcquireHandle(int32_t handle) = 0;
38 
39     virtual bool ReleaseHandle(int32_t handle) = 0;
40 
41     virtual bool PingService(int32_t handle) = 0;
42 
43     virtual int SendReply(MessageParcel &reply, uint32_t flags, int32_t result) = 0;
44 
45     virtual int SendRequest(int handle, uint32_t code, MessageParcel &data, MessageParcel &reply,
46         MessageOption &option) = 0;
47 
48     virtual bool AddDeathRecipient(int32_t handle, void *cookie) = 0;
49 
50     virtual bool RemoveDeathRecipient(int32_t handle, void *cookie) = 0;
51 
52     virtual bool SetMaxWorkThread(int maxThreadNum) = 0;
53 
54     virtual void JoinThread(bool initiative) = 0;
55 
56     virtual void JoinProcessThread(bool initiative) = 0;
57 
58     virtual void StopWorkThread() = 0;
59 
60     virtual void FreeBuffer(void *data) = 0;
61 
62     virtual bool SetRegistryObject(sptr<IRemoteObject> &object) = 0;
63 
64     virtual std::string GetCallerSid() const = 0;
65 
66     virtual pid_t GetCallerPid() const = 0;
67 
68     virtual pid_t GetCallerRealPid() const = 0;
69 
70     virtual uid_t GetCallerUid() const = 0;
71 
72     virtual uint64_t GetCallerTokenID() const = 0;
73 
74     virtual uint64_t GetFirstCallerTokenID() const = 0;
75 
76     virtual uint64_t GetSelfTokenID() const = 0;
77 
78     virtual uint64_t GetSelfFirstCallerTokenID() const = 0;
79 
80     virtual uint32_t GetStatus() = 0;
81 
82     virtual bool IsLocalCalling() = 0;
83 
84     virtual std::string GetLocalDeviceID() = 0;
85 
86     virtual std::string GetCallerDeviceID() const = 0;
87 
88     virtual bool FlattenObject(Parcel &parcel, const IRemoteObject *object) const = 0;
89 
90     virtual sptr<IRemoteObject> UnflattenObject(Parcel &parcel) = 0;
91 
92     virtual int ReadFileDescriptor(Parcel &parcel) = 0;
93 
94     virtual bool WriteFileDescriptor(Parcel &parcel, int fd, bool takeOwnership) = 0;
95 
96     virtual int FlushCommands(IRemoteObject *object) = 0;
97 
98     virtual std::string ResetCallingIdentity() = 0;
99 
100     virtual bool SetCallingIdentity(std::string &identity, bool flag) = 0;
101 
102 #ifndef CONFIG_IPC_SINGLE
103     virtual sptr<IRemoteObject> GetSAMgrObject() = 0;
104 
105     virtual int TranslateIRemoteObject(int32_t cmd, const sptr<IRemoteObject> &obj) = 0;
106 
107 #endif
108 };
109 #ifdef CONFIG_IPC_SINGLE
110 } // namespace IPC_SINGLE
111 #endif
112 } // namespace OHOS
113 #endif // OHOS_IPC_IREMOTE_INVOKER_H
114