1 /*
2  * Copyright (c) 2023 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 SOCKET_CLIENT_H
17 #define SOCKET_CLIENT_H
18 
19 #include <map>
20 #include <mutex>
21 
22 #include "i_tunnel_client.h"
23 #include "net_packet.h"
24 #include "proto.h"
25 #include "socket_connection.h"
26 #include "stream_client.h"
27 
28 namespace OHOS {
29 namespace Msdp {
30 namespace DeviceStatus {
31 typedef std::function<void()> ConnectCallback;
32 class SocketClient final : public StreamClient {
33 public:
34     SocketClient(std::shared_ptr<ITunnelClient> tunnel);
35     DISALLOW_COPY_AND_MOVE(SocketClient);
36     ~SocketClient() = default;
37 
38     bool RegisterEvent(MessageId id, std::function<int32_t(const StreamClient&, NetPacket&)> callback);
39     void Start();
40     void Stop() override;
41     void RegisterConnectedFunction(ConnectCallback funConnected);
42     void RegisterDisconnectedFunction(ConnectCallback funDisconnected);
43 
44 private:
45     bool Connect();
46     int32_t Socket() override;
47     void OnPacket(NetPacket &pkt);
48     void OnDisconnected() override;
49     void Reconnect();
50     void OnMsgHandler(const StreamClient &client, NetPacket &pkt);
51 
52     std::weak_ptr<ITunnelClient> tunnel_;
53     mutable std::mutex lock_;
54     std::map<MessageId, std::function<int32_t(const StreamClient&, NetPacket&)>> callbacks_;
55     std::shared_ptr<SocketConnection> socket_ { nullptr };
56     std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ { nullptr };
57     ConnectCallback funConnected_ { nullptr };
58     ConnectCallback funDisconnected_ { nullptr };
59 };
60 } // namespace DeviceStatus
61 } // namespace Msdp
62 } // namespace OHOS
63 #endif // SOCKET_CLIENT_H