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117 lines
3.8 KiB
117 lines
3.8 KiB
// |
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// Copyright (C) 2015 The Android Open Source Project |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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#include "update_engine/daemon.h" |
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#include <sysexits.h> |
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#include <base/bind.h> |
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#include <base/location.h> |
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#if USE_BINDER |
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#include <binderwrapper/binder_wrapper.h> |
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#endif // USE_BINDER |
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#if USE_OMAHA |
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#include "update_engine/real_system_state.h" |
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#else // !USE_OMAHA |
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#include "update_engine/daemon_state_android.h" |
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#endif // USE_OMAHA |
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namespace chromeos_update_engine { |
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int UpdateEngineDaemon::OnInit() { |
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// Register the |subprocess_| singleton with this Daemon as the signal |
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// handler. |
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subprocess_.Init(this); |
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int exit_code = Daemon::OnInit(); |
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if (exit_code != EX_OK) |
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return exit_code; |
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#if USE_BINDER |
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android::BinderWrapper::Create(); |
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binder_watcher_.Init(); |
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#endif // USE_BINDER |
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#if USE_OMAHA |
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// Initialize update engine global state but continue if something fails. |
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// TODO(deymo): Move the daemon_state_ initialization to a factory method |
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// avoiding the explicit re-usage of the |bus| instance, shared between |
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// D-Bus service and D-Bus client calls. |
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RealSystemState* real_system_state = new RealSystemState(); |
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daemon_state_.reset(real_system_state); |
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LOG_IF(ERROR, !real_system_state->Initialize()) |
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<< "Failed to initialize system state."; |
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#else // !USE_OMAHA |
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DaemonStateAndroid* daemon_state_android = new DaemonStateAndroid(); |
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daemon_state_.reset(daemon_state_android); |
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LOG_IF(ERROR, !daemon_state_android->Initialize()) |
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<< "Failed to initialize system state."; |
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#endif // USE_OMAHA |
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#if USE_BINDER |
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// Create the Binder Service. |
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#if USE_OMAHA |
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binder_service_ = new BinderUpdateEngineBrilloService{real_system_state}; |
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#else // !USE_OMAHA |
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binder_service_ = new BinderUpdateEngineAndroidService{ |
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daemon_state_android->service_delegate()}; |
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#endif // USE_OMAHA |
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auto binder_wrapper = android::BinderWrapper::Get(); |
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if (!binder_wrapper->RegisterService(binder_service_->ServiceName(), |
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binder_service_)) { |
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LOG(ERROR) << "Failed to register binder service."; |
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} |
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daemon_state_->AddObserver(binder_service_.get()); |
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#endif // USE_BINDER |
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#if USE_DBUS |
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// Create the DBus service. |
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dbus_adaptor_.reset(new UpdateEngineAdaptor(real_system_state)); |
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daemon_state_->AddObserver(dbus_adaptor_.get()); |
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dbus_adaptor_->RegisterAsync(base::Bind(&UpdateEngineDaemon::OnDBusRegistered, |
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base::Unretained(this))); |
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LOG(INFO) << "Waiting for DBus object to be registered."; |
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#else // !USE_DBUS |
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daemon_state_->StartUpdater(); |
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#endif // USE_DBUS |
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return EX_OK; |
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} |
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#if USE_DBUS |
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void UpdateEngineDaemon::OnDBusRegistered(bool succeeded) { |
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if (!succeeded) { |
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LOG(ERROR) << "Registering the UpdateEngineAdaptor"; |
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QuitWithExitCode(1); |
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return; |
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} |
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// Take ownership of the service now that everything is initialized. We need |
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// to this now and not before to avoid exposing a well known DBus service |
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// path that doesn't have the service it is supposed to implement. |
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if (!dbus_adaptor_->RequestOwnership()) { |
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LOG(ERROR) << "Unable to take ownership of the DBus service, is there " |
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<< "other update_engine daemon running?"; |
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QuitWithExitCode(1); |
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return; |
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} |
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daemon_state_->StartUpdater(); |
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} |
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#endif // USE_DBUS |
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} // namespace chromeos_update_engine
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