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 SOFTBUS_DIRECT_CHANNEL_INTERFACE_H
17 #define SOFTBUS_DIRECT_CHANNEL_INTERFACE_H
18 
19 #include <stdbool.h>
20 
21 #include "softbus_app_info.h"
22 #include "softbus_base_listener.h"
23 #include "softbus_conn_interface.h"
24 #include "trans_channel_callback.h"
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif /* __cplusplus */
29 
30 #define DC_MSG_PACKET_HEAD_SIZE 24
31 #define SESSION_KEY_INDEX_SIZE 4
32 #define MESSAGE_INDEX_SIZE 4
33 
34 #define MAGIC_NUMBER 0xBABEFACE
35 #define MODULE_SESSION 6
36 #define FLAG_REQUEST 0
37 #define FLAG_REPLY 1
38 #define FLAG_WIFI 0
39 #define FLAG_BR 2
40 #define FLAG_BLE 4
41 #define FLAG_P2P 8
42 #define FLAG_AUTH_META 16
43 #define FLAG_ENHANCE_P2P 32
44 #define AUTH_CONN_SERVER_SIDE 0x01
45 
46 typedef struct {
47     uint32_t magicNumber;
48     uint32_t module;
49     uint64_t seq;
50     uint32_t flags;
51     uint32_t dataLen;
52 } TdcPacketHead;
53 
54 int32_t TransTcpDirectInit(const IServerChannelCallBack *cb);
55 
56 void TransTcpDirectDeinit(void);
57 
58 void TransTdcDeathCallback(const char *pkgName, int32_t pid);
59 
60 int32_t TransOpenDirectChannel(AppInfo *appInfo, const ConnectOption *connInfo, int32_t *channelId);
61 
62 void TransTdcStopSessionProc(ListenerModule listenMod);
63 
64 #ifdef __cplusplus
65 }
66 #endif /* __cplusplus */
67 
68 #endif