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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/update_client/action.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/bind_helpers.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/location.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "base/single_thread_task_runner.h" | |
| 16 #include "base/threading/thread_task_runner_handle.h" | |
| 17 #include "components/update_client/action_update.h" | |
| 18 #include "components/update_client/action_wait.h" | |
| 19 #include "components/update_client/configurator.h" | |
| 20 #include "components/update_client/update_client_errors.h" | |
| 21 #include "components/update_client/update_engine.h" | |
| 22 #include "components/update_client/utils.h" | |
| 23 | |
| 24 namespace update_client { | |
| 25 | |
| 26 using Events = UpdateClient::Observer::Events; | |
| 27 | |
| 28 namespace { | |
| 29 | |
| 30 // Returns true if a differential update is available, it has not failed yet, | |
| 31 // and the configuration allows this update. | |
| 32 bool CanTryDiffUpdate(const CrxUpdateItem* update_item, | |
| 33 const scoped_refptr<Configurator>& config) { | |
| 34 return HasDiffUpdate(update_item) && !update_item->diff_update_failed && | |
| 35 config->EnabledDeltas(); | |
| 36 } | |
| 37 | |
| 38 } // namespace | |
| 39 | |
| 40 ActionImpl::ActionImpl() : update_context_(nullptr) { | |
| 41 } | |
| 42 | |
| 43 ActionImpl::~ActionImpl() { | |
| 44 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 45 } | |
| 46 | |
| 47 void ActionImpl::Run(UpdateContext* update_context, Callback callback) { | |
| 48 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 49 | |
| 50 update_context_ = update_context; | |
| 51 callback_ = callback; | |
| 52 } | |
| 53 | |
| 54 CrxUpdateItem* ActionImpl::FindUpdateItemById(const std::string& id) const { | |
| 55 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 56 | |
| 57 const auto it = update_context_->update_items.find(id); | |
| 58 | |
| 59 return it != update_context_->update_items.end() ? it->second.get() : nullptr; | |
| 60 } | |
| 61 | |
| 62 void ActionImpl::ChangeItemState(CrxUpdateItem* item, CrxUpdateItem::State to) { | |
| 63 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 64 | |
| 65 item->state = to; | |
| 66 | |
| 67 using Events = UpdateClient::Observer::Events; | |
| 68 | |
| 69 const std::string& id(item->id); | |
| 70 switch (to) { | |
| 71 case CrxUpdateItem::State::kChecking: | |
| 72 NotifyObservers(Events::COMPONENT_CHECKING_FOR_UPDATES, id); | |
| 73 break; | |
| 74 case CrxUpdateItem::State::kCanUpdate: | |
| 75 NotifyObservers(Events::COMPONENT_UPDATE_FOUND, id); | |
| 76 break; | |
| 77 case CrxUpdateItem::State::kUpdatingDiff: | |
| 78 case CrxUpdateItem::State::kUpdating: | |
| 79 NotifyObservers(Events::COMPONENT_UPDATE_READY, id); | |
| 80 break; | |
| 81 case CrxUpdateItem::State::kUpdated: | |
| 82 NotifyObservers(Events::COMPONENT_UPDATED, id); | |
| 83 break; | |
| 84 case CrxUpdateItem::State::kUpToDate: | |
| 85 case CrxUpdateItem::State::kNoUpdate: | |
| 86 NotifyObservers(Events::COMPONENT_NOT_UPDATED, id); | |
| 87 break; | |
| 88 case CrxUpdateItem::State::kNew: | |
| 89 case CrxUpdateItem::State::kDownloading: | |
| 90 case CrxUpdateItem::State::kDownloadingDiff: | |
| 91 case CrxUpdateItem::State::kDownloaded: | |
| 92 case CrxUpdateItem::State::kUninstalled: | |
| 93 case CrxUpdateItem::State::kLastStatus: | |
| 94 // No notification for these states. | |
| 95 break; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 size_t ActionImpl::ChangeAllItemsState(CrxUpdateItem::State from, | |
| 100 CrxUpdateItem::State to) { | |
| 101 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 102 size_t count = 0; | |
| 103 for (const auto& item : update_context_->update_items) { | |
| 104 if (item.second->state == from) { | |
| 105 ChangeItemState(item.second.get(), to); | |
| 106 ++count; | |
| 107 } | |
| 108 } | |
| 109 return count; | |
| 110 } | |
| 111 | |
| 112 void ActionImpl::NotifyObservers(UpdateClient::Observer::Events event, | |
| 113 const std::string& id) { | |
| 114 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 115 update_context_->notify_observers_callback.Run(event, id); | |
| 116 } | |
| 117 | |
| 118 void ActionImpl::UpdateCrx() { | |
| 119 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 120 DCHECK(!update_context_->queue.empty()); | |
| 121 | |
| 122 const std::string& id = update_context_->queue.front(); | |
| 123 CrxUpdateItem* item = FindUpdateItemById(id); | |
| 124 DCHECK(item); | |
| 125 | |
| 126 item->update_begin = base::TimeTicks::Now(); | |
| 127 | |
| 128 if (item->component.supports_group_policy_enable_component_updates && | |
| 129 !update_context_->enabled_component_updates) { | |
| 130 item->error_category = static_cast<int>(ErrorCategory::kServiceError); | |
| 131 item->error_code = static_cast<int>(ServiceError::UPDATE_DISABLED); | |
| 132 item->extra_code1 = 0; | |
| 133 ChangeItemState(item, CrxUpdateItem::State::kNoUpdate); | |
| 134 | |
| 135 UpdateCrxComplete(item); | |
| 136 return; | |
| 137 } | |
| 138 | |
| 139 std::unique_ptr<Action> update_action( | |
| 140 CanTryDiffUpdate(item, update_context_->config) | |
| 141 ? ActionUpdateDiff::Create() | |
| 142 : ActionUpdateFull::Create()); | |
| 143 | |
| 144 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 145 FROM_HERE, base::Bind(&Action::Run, base::Unretained(update_action.get()), | |
| 146 update_context_, callback_)); | |
| 147 | |
| 148 update_context_->current_action = std::move(update_action); | |
| 149 } | |
| 150 | |
| 151 void ActionImpl::UpdateCrxComplete(CrxUpdateItem* item) { | |
| 152 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 153 DCHECK(item); | |
| 154 | |
| 155 update_context_->ping_manager->SendPing(item); | |
| 156 | |
| 157 update_context_->queue.pop(); | |
| 158 | |
| 159 if (update_context_->queue.empty()) { | |
| 160 UpdateComplete(Error::NONE); | |
| 161 } else { | |
| 162 DCHECK(!item->update_begin.is_null()); | |
| 163 | |
| 164 // Assume that the cost of applying the update is proportional with how | |
| 165 // long it took to apply it. Then delay the next update by the same time | |
| 166 // interval or the value provided by the configurator, whichever is less. | |
| 167 const base::TimeDelta max_update_delay = | |
| 168 base::TimeDelta::FromSeconds(update_context_->config->UpdateDelay()); | |
| 169 const base::TimeDelta update_cost(base::TimeTicks::Now() - | |
| 170 item->update_begin); | |
| 171 DCHECK(update_cost >= base::TimeDelta()); | |
| 172 | |
| 173 std::unique_ptr<ActionWait> action_wait( | |
| 174 new ActionWait(std::min(update_cost, max_update_delay))); | |
| 175 | |
| 176 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 177 FROM_HERE, base::Bind(&Action::Run, base::Unretained(action_wait.get()), | |
| 178 update_context_, callback_)); | |
| 179 | |
| 180 update_context_->current_action = std::move(action_wait); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 void ActionImpl::UpdateComplete(Error error) { | |
| 185 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 186 | |
| 187 base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, | |
| 188 base::Bind(callback_, error)); | |
| 189 } | |
| 190 | |
| 191 } // namespace update_client | |
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Chromium Code Reviews
Issue 2835803002:
Refactor the UpdateEngine and its actions in the component updater. (Closed)
