blob: 96f4b5b32776fb05e4c64ffc51b374b1bef71c5b [file] [log] [blame]
// Copyright 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <base/memory/weak_ptr.h>
#include <base/threading/platform_thread.h>
#include <brillo/dbus/dbus_method_invoker.h>
#include <dbus/bus.h>
#include <dbus/object_proxy.h>
#include "trunks/command_transceiver.h"
#include "trunks/trunks_export.h"
namespace trunks {
// TrunksDBusProxy is a CommandTransceiver implementation that forwards all
// commands to the trunksd D-Bus daemon. See TrunksDBusService for details on
// how the commands are handled once they reach trunksd. A TrunksDBusProxy
// instance must be used in only one thread.
class TRUNKS_EXPORT TrunksDBusProxy : public CommandTransceiver {
TrunksDBusProxy() = default;
~TrunksDBusProxy() override;
// Initializes the D-Bus client. Returns true on success.
bool Init() override;
// CommandTransceiver methods.
void SendCommand(const std::string& command,
const ResponseCallback& callback) override;
std::string SendCommandAndWait(const std::string& command) override;
// Returns the service readiness flag. Forces re-check for readiness if
// the flag is not set or |force_check| is passed.
bool IsServiceReady(bool force_check);
void set_init_timeout(base::TimeDelta init_timeout) {
init_timeout_ = init_timeout;
void set_init_attempt_delay(base::TimeDelta init_attempt_delay) {
init_attempt_delay_ = init_attempt_delay;
base::PlatformThreadId origin_thread_id_for_testing() {
return origin_thread_id_;
void set_origin_thread_id_for_testing(
base::PlatformThreadId testing_thread_id) {
origin_thread_id_ = testing_thread_id;
friend class TrunksDBusProxyTest;
// Constructor for mock bus injection in unit tests.
explicit TrunksDBusProxy(dbus::Bus* bus) : bus_(bus) {}
TrunksDBusProxy(const TrunksDBusProxy&) = delete;
TrunksDBusProxy& operator=(const TrunksDBusProxy&) = delete;
// Checks service readiness, i.e. that trunksd is registered on dbus.
bool CheckIfServiceReady();
// Handles errors received from dbus.
void OnError(const ResponseCallback& callback, brillo::Error* error);
base::WeakPtr<TrunksDBusProxy> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
bool service_ready_ = false;
// Timeout waiting for trunksd service readiness on dbus when initializing.
base::TimeDelta init_timeout_ = base::TimeDelta::FromSeconds(30);
// Delay between subsequent checks if trunksd is ready on dbus.
base::TimeDelta init_attempt_delay_ = base::TimeDelta::FromMilliseconds(300);
base::PlatformThreadId origin_thread_id_;
scoped_refptr<dbus::Bus> bus_;
dbus::ObjectProxy* object_proxy_ = nullptr;
// Declared last so weak pointers are invalidated first on destruction.
base::WeakPtrFactory<TrunksDBusProxy> weak_factory_{this};
} // namespace trunks