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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef DBUS_TEST_SERVICE_H_
#define DBUS_TEST_SERVICE_H_
#pragma once
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/threading/thread.h"
#include "base/synchronization/waitable_event.h"
#include "dbus/exported_object.h"
namespace base {
class MessageLoopProxy;
}
namespace dbus {
class Bus;
class MethodCall;
class Response;
// The test service is used for end-to-end tests. The service runs in a
// separate thread, so it does not interfere the test code that runs in
// the main thread.
//
// The test service exports an object with methods such as Echo() and
// SlowEcho(). The object has ability to send "Test" signal.
class TestService : public base::Thread {
public:
// Options for the test service.
struct Options {
Options();
~Options();
// NULL by default (i.e. don't use the D-Bus thread).
scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy;
};
// The number of methods we'll export.
static const int kNumMethodsToExport;
TestService(const Options& options);
virtual ~TestService();
// Starts the service in a separate thread.
// Returns true if the thread is started successfully.
bool StartService();
// Waits until the service is started (i.e. all methods are exported).
// Returns true on success.
bool WaitUntilServiceIsStarted() WARN_UNUSED_RESULT;
// Shuts down the service and blocks until it's done.
void ShutdownAndBlock();
// Returns true if the bus has the D-Bus thread.
bool HasDBusThread();
// Sends "Test" signal with the given message from the exported object.
void SendTestSignal(const std::string& message);
// Sends "Test" signal with the given message from the root object ("/").
// This function emulates dbus-send's behavior.
void SendTestSignalFromRoot(const std::string& message);
private:
// Helper function for SendTestSignal().
void SendTestSignalInternal(const std::string& message);
// Helper function for SendTestSignalFromRoot.
void SendTestSignalFromRootInternal(const std::string& message);
// Helper function for ShutdownAndBlock().
void ShutdownAndBlockInternal();
// Called when a method is exported.
void OnExported(const std::string& interface_name,
const std::string& method_name,
bool success);
// base::Thread override.
virtual void Run(MessageLoop* message_loop) OVERRIDE;
//
// Exported methods.
//
// Echos the text message received from the method call.
void Echo(MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// Echos the text message received from the method call, but sleeps for
// TestTimeouts::tiny_timeout_ms() before returning the response.
void SlowEcho(MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// Echos the text message received from the method call, but sends its
// response asynchronously after this callback has returned.
void AsyncEcho(MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// Returns NULL, instead of a valid Response.
void BrokenMethod(MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy_;
base::WaitableEvent on_all_methods_exported_;
// The number of methods actually exported.
int num_exported_methods_;
scoped_refptr<Bus> bus_;
ExportedObject* exported_object_;
};
} // namespace dbus
#endif // DBUS_TEST_SERVICE_H_
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