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 LOCAL_SOCAKT_PAIR_H
17 #define LOCAL_SOCAKT_PAIR_H
18 
19 #include <sys/types.h>
20 #include <refbase.h>
21 #include "message_parcel.h"
22 
23 namespace OHOS {
24 class LocalSocketPair : public RefBase {
25 public:
26     LocalSocketPair();
27     virtual ~LocalSocketPair();
28     LocalSocketPair(const LocalSocketPair &) = delete;
29     LocalSocketPair &operator=(const LocalSocketPair &) = delete;
30     int32_t CreateChannel(size_t sendSize, size_t receiveSize);
GetSendDataFd()31     int32_t GetSendDataFd() const
32     {
33         return sendFd_;
34     };
GetReceiveDataFd()35     int32_t GetReceiveDataFd() const
36     {
37         return receiveFd_;
38     };
39 
40     // send sendfd to binder
41     int32_t SendToBinder(MessageParcel &data);
42 
43     // send receivefd to binder
44     int32_t ReceiveToBinder(MessageParcel &data);
45 
46     int32_t SendData(const void *vaddr, size_t size);
47     int32_t ReceiveData(void *vaddr, size_t size);
48 private:
49     int32_t SendFdToBinder(MessageParcel &data, int32_t &fd);
50     void CloseFd(int32_t &fd);
51     int32_t SetSockopt(size_t sendSize, size_t receiveSize, int32_t* socketPair, int32_t socketPairSize);
52 
53 private:
54     int32_t sendFd_;
55     int32_t receiveFd_;
56 };
57 }
58 
59 #endif // BS_LOCAL_SOCAKTPAIR_H
60