1 //
2 // Copyright (C) 2020 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 
16 #pragma once
17 
18 #include <memory>
19 #include <string>
20 #include <vector>
21 
22 #include <json/json.h>
23 
24 #include "host/frontend/gcastv2/https/include/https/WebSocketHandler.h"
25 #include "host/frontend/gcastv2/signaling_server/device_registry.h"
26 #include "host/frontend/gcastv2/signaling_server/server_config.h"
27 #include "host/frontend/gcastv2/signaling_server/signal_handler.h"
28 
29 namespace cuttlefish {
30 
31 class ClientHandler;
32 
33 class DeviceHandler
34     : public SignalHandler,
35       public std::enable_shared_from_this<DeviceHandler> {
36  public:
37   DeviceHandler(DeviceRegistry* registry, const ServerConfig& server_config);
38   ~DeviceHandler() override;
39 
device_info()40   Json::Value device_info() const { return device_info_; }
41 
42   size_t RegisterClient(std::shared_ptr<ClientHandler> client_handler);
43   void SendClientMessage(size_t client_id, const Json::Value& message);
44  protected:
45   int handleMessage(const std::string& type,
46                     const Json::Value& message) override;
47 
48  private:
49   int HandleRegistrationRequest(const Json::Value& message);
50   int HandleForward(const Json::Value& message);
51 
52   std::string device_id_;
53   Json::Value device_info_;
54   std::vector<std::weak_ptr<ClientHandler>> clients_;
55 };
56 }  // namespace cuttlefish
57