1/*
2 * Copyright (c) 2024 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 * Description: connection class
15 * Author: sunhong
16 * Create: 2022-01-19
17 */
18
19#ifndef CONNECTION_H
20#define CONNECTION_H
21
22#include "channel_request.h"
23#include "connection_listener.h"
24
25namespace OHOS {
26namespace CastEngine {
27namespace CastEngineService {
28class Connection {
29public:
30    virtual ~Connection() {};
31
32    virtual void SetConnectionListener(std::shared_ptr<ConnectionListener> listener)
33    {
34        listener_ = listener;
35    }
36
37    // init request when openConnection or startListen
38    virtual void StashRequest(const ChannelRequest &request)
39    {
40        channelRequest_ = request;
41    }
42
43    // Open the connection asynchronously.
44    virtual int StartConnection(const ChannelRequest &request, std::shared_ptr<IChannelListener> channelListener)
45    {
46        return -1;
47    }
48
49    /*
50     * Start listening for device channel connections.
51     * When the channel type is VTP or TCP, the return value represents the port number, and a negative value
52     * represents failure.
53     * When the channel type is softbus, the return value of 0 indicates successful registration and listening,
54     * and a negative value represents failure.
55     *
56     * @param request channel unique ID
57     * @return Results of starting listening
58     */
59    virtual int StartListen(const ChannelRequest &request, std::shared_ptr<IChannelListener> channelListener)
60    {
61        return -1;
62    }
63
64    // Close connection and all channels
65    virtual void CloseConnection() {};
66
67protected:
68    ChannelRequest channelRequest_;
69    std::shared_ptr<ConnectionListener> listener_;
70};
71} // namespace CastEngineService
72} // namespace CastEngine
73} // namespace OHOS
74
75
76#endif // CONNECTION_H
77