Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 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 | #include "buffet/brillo_network_client.h" |
| 18 | |
| 19 | #include <base/message_loop/message_loop.h> |
| 20 | |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 21 | using weave::provider::Network; |
| 22 | |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 23 | namespace buffet { |
| 24 | |
| 25 | namespace { |
Alex Vakulenko | 059c30d | 2015-09-22 14:09:16 -0700 | [diff] [blame] | 26 | const char kErrorDomain[] = "brillo_network"; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 27 | const int kConnectionTimeoutSeconds = 30; |
| 28 | const int kConnectionActivePollSeconds = 3; |
| 29 | const int kConnectionInactivePollSeconds = 10; |
| 30 | } // namespace |
| 31 | |
| 32 | BrilloNetworkClient::BrilloNetworkClient( |
| 33 | const std::set<std::string>& device_whitelist) |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 34 | : NetworkClient{device_whitelist} { |
Alex Vakulenko | f624d7d | 2015-09-16 12:28:41 -0700 | [diff] [blame] | 35 | UpdateConnectionState(); |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | BrilloNetworkClient::~BrilloNetworkClient() { |
| 39 | } |
| 40 | |
Alex Vakulenko | 0fef815 | 2015-09-25 08:45:22 -0700 | [diff] [blame] | 41 | void BrilloNetworkClient::AddConnectionChangedCallback( |
| 42 | const ConnectionChangedCallback& listener) { |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 43 | connection_listeners_.push_back(listener); |
| 44 | } |
| 45 | |
Alex Vakulenko | 0fef815 | 2015-09-25 08:45:22 -0700 | [diff] [blame] | 46 | void BrilloNetworkClient::Connect(const std::string& ssid, |
| 47 | const std::string& passphrase, |
| 48 | const weave::SuccessCallback& on_success, |
| 49 | const weave::ErrorCallback& on_error) { |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 50 | if (!connectivity_client_.ConnectToAccessPoint(ssid, passphrase)) { |
Alex Vakulenko | 059c30d | 2015-09-22 14:09:16 -0700 | [diff] [blame] | 51 | weave::ErrorPtr error; |
| 52 | weave::Error::AddTo(&error, FROM_HERE, kErrorDomain, "network_failure", |
| 53 | "Failed to connect to service"); |
| 54 | base::MessageLoop::current()->PostDelayedTask( |
| 55 | FROM_HERE, base::Bind(on_error, base::Owned(error.release())), {}); |
| 56 | return; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | connection_success_closure_ = on_success; |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 60 | connectivity_state_ = State::kConnecting; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 61 | |
| 62 | connection_timeout_closure_.Reset( |
| 63 | base::Bind(&BrilloNetworkClient::OnConnectionTimeout, |
| 64 | base::Unretained(this))); |
| 65 | base::MessageLoop::current()->PostDelayedTask( |
| 66 | FROM_HERE, |
| 67 | connection_timeout_closure_.callback(), |
| 68 | base::TimeDelta::FromSeconds(kConnectionTimeoutSeconds)); |
| 69 | |
| 70 | ScheduleNextStatePoll(); |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 73 | Network::State BrilloNetworkClient::GetConnectionState() const { |
| 74 | return connectivity_state_; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Alex Vakulenko | 0fef815 | 2015-09-25 08:45:22 -0700 | [diff] [blame] | 77 | void BrilloNetworkClient::StartAccessPoint(const std::string& ssid) { |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 78 | connectivity_client_.EnableAccessPoint(ssid); |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 79 | connectivity_state_ = State::kOffline; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 80 | } |
| 81 | |
Alex Vakulenko | 0fef815 | 2015-09-25 08:45:22 -0700 | [diff] [blame] | 82 | void BrilloNetworkClient::StopAccessPoint() { |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 83 | connectivity_client_.DisableAccessPoint(); |
| 84 | } |
| 85 | |
| 86 | void BrilloNetworkClient::OnConnectionTimeout() { |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 87 | connectivity_state_ = State::kFailure; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | void BrilloNetworkClient::ScheduleNextStatePoll() { |
| 91 | periodic_connection_state_closure_.Reset( |
| 92 | base::Bind(&BrilloNetworkClient::UpdateConnectionState, |
| 93 | base::Unretained(this))); |
| 94 | int poll_period_seconds; |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 95 | if (connectivity_state_ == State::kConnecting) { |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 96 | poll_period_seconds = kConnectionActivePollSeconds; |
| 97 | } else { |
| 98 | poll_period_seconds = kConnectionInactivePollSeconds; |
| 99 | } |
| 100 | base::MessageLoop::current()->PostDelayedTask( |
| 101 | FROM_HERE, |
| 102 | periodic_connection_state_closure_.callback(), |
| 103 | base::TimeDelta::FromSeconds(poll_period_seconds)); |
| 104 | } |
| 105 | |
| 106 | void BrilloNetworkClient::UpdateConnectionState() { |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 107 | bool was_connected = connectivity_state_ == State::kConnected; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 108 | bool is_connected = connectivity_client_.IsConnected(); |
| 109 | |
| 110 | if (is_connected) { |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 111 | if (connectivity_state_ == State::kConnecting) |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 112 | connection_success_closure_.Run(); |
Alex Vakulenko | e32375b | 2015-09-28 08:55:40 -0700 | [diff] [blame^] | 113 | connectivity_state_ = State::kConnected; |
| 114 | } else if (connectivity_state_ == State::kConnected) { |
| 115 | connectivity_state_ = State::kOffline; |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 116 | } |
| 117 | if (is_connected != was_connected) { |
| 118 | for (const auto& listener : connection_listeners_) { |
Alex Vakulenko | 059c30d | 2015-09-22 14:09:16 -0700 | [diff] [blame] | 119 | listener.Run(); |
Alex Vakulenko | f0f5534 | 2015-08-18 15:51:40 -0700 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | ScheduleNextStatePoll(); |
| 123 | } |
| 124 | |
| 125 | std::unique_ptr<NetworkClient> NetworkClient::CreateInstance( |
| 126 | const std::set<std::string>& device_whitelist) { |
| 127 | return std::unique_ptr<NetworkClient>{ |
| 128 | new BrilloNetworkClient{device_whitelist}}; |
| 129 | } |
| 130 | |
| 131 | } // namespace buffet |