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55 lines
1.7 KiB
55 lines
1.7 KiB
// |
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// Copyright (C) 2016 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/dbus_connection.h" |
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#include <base/time/time.h> |
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namespace chromeos_update_engine { |
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namespace { |
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const int kDBusSystemMaxWaitSeconds = 2 * 60; |
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DBusConnection* dbus_connection_singleton = nullptr; |
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} // namespace |
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DBusConnection::DBusConnection() { |
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// We wait for the D-Bus connection for up two minutes to avoid re-spawning |
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// the daemon too fast causing thrashing if dbus-daemon is not running. |
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bus_ = dbus_connection_.ConnectWithTimeout( |
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base::TimeDelta::FromSeconds(kDBusSystemMaxWaitSeconds)); |
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if (!bus_) { |
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// TODO(deymo): Make it possible to run update_engine even if dbus-daemon |
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// is not running or constantly crashing. |
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LOG(FATAL) << "Failed to initialize DBus, aborting."; |
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} |
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CHECK(bus_->SetUpAsyncOperations()); |
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} |
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const scoped_refptr<dbus::Bus>& DBusConnection::GetDBus() { |
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CHECK(bus_); |
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return bus_; |
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} |
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DBusConnection* DBusConnection::Get() { |
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if (!dbus_connection_singleton) |
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dbus_connection_singleton = new DBusConnection(); |
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return dbus_connection_singleton; |
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} |
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} // namespace chromeos_update_engine
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