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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.
#include "dbus/test_service.h"
#include "base/bind.h"
#include "base/test/test_timeouts.h"
#include "base/threading/platform_thread.h"
#include "dbus/bus.h"
#include "dbus/exported_object.h"
#include "dbus/message.h"
namespace dbus {
// Echo, SlowEcho, AsyncEcho, BrokenMethod.
const int TestService::kNumMethodsToExport = 4;
TestService::Options::Options() {
}
TestService::Options::~Options() {
}
TestService::TestService(const Options& options)
: base::Thread("TestService"),
dbus_thread_message_loop_proxy_(options.dbus_thread_message_loop_proxy),
on_all_methods_exported_(false, false),
num_exported_methods_(0) {
}
TestService::~TestService() {
Stop();
}
bool TestService::StartService() {
base::Thread::Options thread_options;
thread_options.message_loop_type = MessageLoop::TYPE_IO;
return StartWithOptions(thread_options);
}
bool TestService::WaitUntilServiceIsStarted() {
const base::TimeDelta timeout(
base::TimeDelta::FromMilliseconds(
TestTimeouts::action_max_timeout_ms()));
// Wait until all methods are exported.
return on_all_methods_exported_.TimedWait(timeout);
}
void TestService::ShutdownAndBlock() {
message_loop()->PostTask(
FROM_HERE,
base::Bind(&TestService::ShutdownAndBlockInternal,
base::Unretained(this)));
}
bool TestService::HasDBusThread() {
return bus_->HasDBusThread();
}
void TestService::ShutdownAndBlockInternal() {
if (HasDBusThread())
bus_->ShutdownOnDBusThreadAndBlock();
else
bus_->ShutdownAndBlock();
}
void TestService::SendTestSignal(const std::string& message) {
message_loop()->PostTask(
FROM_HERE,
base::Bind(&TestService::SendTestSignalInternal,
base::Unretained(this),
message));
}
void TestService::SendTestSignalFromRoot(const std::string& message) {
message_loop()->PostTask(
FROM_HERE,
base::Bind(&TestService::SendTestSignalFromRootInternal,
base::Unretained(this),
message));
}
void TestService::SendTestSignalInternal(const std::string& message) {
dbus::Signal signal("org.chromium.TestInterface", "Test");
dbus::MessageWriter writer(&signal);
writer.AppendString(message);
exported_object_->SendSignal(&signal);
}
void TestService::SendTestSignalFromRootInternal(const std::string& message) {
dbus::Signal signal("org.chromium.TestInterface", "Test");
dbus::MessageWriter writer(&signal);
writer.AppendString(message);
// Use "/" just like dbus-send does.
ExportedObject* root_object =
bus_->GetExportedObject("org.chromium.TestService",
"/");
root_object->SendSignal(&signal);
}
void TestService::OnExported(const std::string& interface_name,
const std::string& method_name,
bool success) {
if (!success) {
LOG(ERROR) << "Failed to export: " << interface_name << "."
<< method_name;
// Returning here will make WaitUntilServiceIsStarted() to time out
// and return false.
return;
}
++num_exported_methods_;
if (num_exported_methods_ == kNumMethodsToExport)
on_all_methods_exported_.Signal();
}
void TestService::Run(MessageLoop* message_loop) {
Bus::Options bus_options;
bus_options.bus_type = Bus::SESSION;
bus_options.connection_type = Bus::PRIVATE;
bus_options.dbus_thread_message_loop_proxy = dbus_thread_message_loop_proxy_;
bus_ = new Bus(bus_options);
exported_object_ = bus_->GetExportedObject(
"org.chromium.TestService",
"/org/chromium/TestObject");
int num_methods = 0;
exported_object_->ExportMethod(
"org.chromium.TestInterface",
"Echo",
base::Bind(&TestService::Echo,
base::Unretained(this)),
base::Bind(&TestService::OnExported,
base::Unretained(this)));
++num_methods;
exported_object_->ExportMethod(
"org.chromium.TestInterface",
"SlowEcho",
base::Bind(&TestService::SlowEcho,
base::Unretained(this)),
base::Bind(&TestService::OnExported,
base::Unretained(this)));
++num_methods;
exported_object_->ExportMethod(
"org.chromium.TestInterface",
"AsyncEcho",
base::Bind(&TestService::AsyncEcho,
base::Unretained(this)),
base::Bind(&TestService::OnExported,
base::Unretained(this)));
++num_methods;
exported_object_->ExportMethod(
"org.chromium.TestInterface",
"BrokenMethod",
base::Bind(&TestService::BrokenMethod,
base::Unretained(this)),
base::Bind(&TestService::OnExported,
base::Unretained(this)));
++num_methods;
// Just print an error message as we don't want to crash tests.
// Tests will fail at a call to WaitUntilServiceIsStarted().
if (num_methods != kNumMethodsToExport) {
LOG(ERROR) << "The number of methods does not match";
}
message_loop->Run();
}
void TestService::Echo(MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
MessageReader reader(method_call);
std::string text_message;
if (!reader.PopString(&text_message)) {
response_sender.Run(NULL);
return;
}
Response* response = Response::FromMethodCall(method_call);
MessageWriter writer(response);
writer.AppendString(text_message);
response_sender.Run(response);
}
void TestService::SlowEcho(
MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
base::PlatformThread::Sleep(TestTimeouts::tiny_timeout_ms());
Echo(method_call, response_sender);
}
void TestService::AsyncEcho(
MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
// Schedule a call to Echo() to send an asynchronous response after we return.
message_loop()->PostDelayedTask(FROM_HERE,
base::Bind(&TestService::Echo,
base::Unretained(this),
method_call,
response_sender),
TestTimeouts::tiny_timeout_ms());
}
void TestService::BrokenMethod(
MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
response_sender.Run(NULL);
}
} // namespace dbus
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