1//
2// Copyright (C) 2015 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
17#ifndef UPDATE_ENGINE_WEAVE_SERVICE_H_
18#define UPDATE_ENGINE_WEAVE_SERVICE_H_
19
20#include <memory>
21#include <string>
22
23#include <base/memory/weak_ptr.h>
24#include <libweaved/command.h>
25#include <libweaved/service.h>
26
27#include "update_engine/weave_service_interface.h"
28
29namespace chromeos_update_engine {
30
31class WeaveService : public WeaveServiceInterface {
32 public:
33  WeaveService() = default;
34  ~WeaveService() override = default;
35
36  bool Init(DelegateInterface* delegate);
37
38  // ServiceObserverInterface overrides.
39  void SendStatusUpdate(int64_t last_checked_time,
40                        double progress,
41                        update_engine::UpdateStatus status,
42                        const std::string& new_version,
43                        int64_t new_size) override;
44  void SendChannelChangeUpdate(const std::string& tracking_channel) override;
45  void SendPayloadApplicationComplete(ErrorCode error_code) override {}
46
47 private:
48  // Force a weave update.
49  void UpdateWeaveState();
50
51  void OnWeaveServiceConnected(const std::weak_ptr<weaved::Service>& service);
52
53  // Weave command handlers. These are called from the message loop whenever a
54  // command is received and dispatch the synchronous call to the |delegate_|.
55  void OnCheckForUpdates(std::unique_ptr<weaved::Command> cmd);
56  void OnTrackChannel(std::unique_ptr<weaved::Command> cmd);
57
58  WeaveServiceInterface::DelegateInterface* delegate_{nullptr};
59
60  std::unique_ptr<weaved::Service::Subscription> weave_service_subscription_;
61  std::weak_ptr<weaved::Service> weave_service_;
62};
63
64}  // namespace chromeos_update_engine
65
66#endif  // UPDATE_ENGINE_WEAVE_SERVICE_H_
67