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Copy pathipc_channel_mojo_unittest.cc
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ipc_channel_mojo_unittest.cc
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// Copyright 2014 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 "ipc/ipc_channel_mojo.h"
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <utility>
#include "base/base_paths.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/files/file.h"
#include "base/files/scoped_temp_dir.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "base/pickle.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/stringprintf.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/test_io_thread.h"
#include "base/test/test_timeouts.h"
#include "base/threading/thread.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "ipc/ipc_message.h"
#include "ipc/ipc_mojo_handle_attachment.h"
#include "ipc/ipc_mojo_message_helper.h"
#include "ipc/ipc_mojo_param_traits.h"
#include "ipc/ipc_sync_channel.h"
#include "ipc/ipc_sync_message.h"
#include "ipc/ipc_test.mojom.h"
#include "ipc/ipc_test_base.h"
#include "ipc/ipc_test_channel_listener.h"
#include "testing/gtest/include/gtest/gtest.h"
#if defined(OS_POSIX)
#include "base/file_descriptor_posix.h"
#include "ipc/ipc_platform_file_attachment_posix.h"
#endif
namespace {
void SendString(IPC::Sender* sender, const std::string& str) {
IPC::Message* message = new IPC::Message(0, 2, IPC::Message::PRIORITY_NORMAL);
message->WriteString(str);
ASSERT_TRUE(sender->Send(message));
}
void SendValue(IPC::Sender* sender, int32_t value) {
IPC::Message* message = new IPC::Message(0, 2, IPC::Message::PRIORITY_NORMAL);
message->WriteInt(value);
ASSERT_TRUE(sender->Send(message));
}
class ListenerThatExpectsOK : public IPC::Listener {
public:
ListenerThatExpectsOK() : received_ok_(false) {}
~ListenerThatExpectsOK() override {}
bool OnMessageReceived(const IPC::Message& message) override {
base::PickleIterator iter(message);
std::string should_be_ok;
EXPECT_TRUE(iter.ReadString(&should_be_ok));
EXPECT_EQ(should_be_ok, "OK");
received_ok_ = true;
base::MessageLoop::current()->QuitWhenIdle();
return true;
}
void OnChannelError() override {
// The connection should be healthy while the listener is waiting
// message. An error can occur after that because the peer
// process dies.
DCHECK(received_ok_);
}
static void SendOK(IPC::Sender* sender) { SendString(sender, "OK"); }
private:
bool received_ok_;
};
using IPCChannelMojoTest = IPCChannelMojoTestBase;
class TestChannelListenerWithExtraExpectations
: public IPC::TestChannelListener {
public:
TestChannelListenerWithExtraExpectations() : is_connected_called_(false) {}
void OnChannelConnected(int32_t peer_pid) override {
IPC::TestChannelListener::OnChannelConnected(peer_pid);
EXPECT_TRUE(base::kNullProcessId != peer_pid);
is_connected_called_ = true;
}
bool is_connected_called() const { return is_connected_called_; }
private:
bool is_connected_called_;
};
TEST_F(IPCChannelMojoTest, ConnectedFromClient) {
Init("IPCChannelMojoTestClient");
// Set up IPC channel and start client.
TestChannelListenerWithExtraExpectations listener;
CreateChannel(&listener);
listener.Init(sender());
ASSERT_TRUE(ConnectChannel());
IPC::TestChannelListener::SendOneMessage(sender(), "hello from parent");
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
EXPECT_TRUE(listener.is_connected_called());
EXPECT_TRUE(listener.HasSentAll());
DestroyChannel();
}
// A long running process that connects to us
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT(IPCChannelMojoTestClient) {
TestChannelListenerWithExtraExpectations listener;
Connect(&listener);
listener.Init(channel());
IPC::TestChannelListener::SendOneMessage(channel(), "hello from child");
base::RunLoop().Run();
EXPECT_TRUE(listener.is_connected_called());
EXPECT_TRUE(listener.HasSentAll());
Close();
}
class ListenerExpectingErrors : public IPC::Listener {
public:
ListenerExpectingErrors() : has_error_(false) {}
bool OnMessageReceived(const IPC::Message& message) override { return true; }
void OnChannelError() override {
has_error_ = true;
base::MessageLoop::current()->QuitWhenIdle();
}
bool has_error() const { return has_error_; }
private:
bool has_error_;
};
class ListenerThatQuits : public IPC::Listener {
public:
ListenerThatQuits() {}
bool OnMessageReceived(const IPC::Message& message) override { return true; }
void OnChannelConnected(int32_t peer_pid) override {
base::MessageLoop::current()->QuitWhenIdle();
}
};
// A long running process that connects to us.
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT(IPCChannelMojoErraticTestClient) {
ListenerThatQuits listener;
Connect(&listener);
base::RunLoop().Run();
Close();
}
TEST_F(IPCChannelMojoTest, SendFailWithPendingMessages) {
Init("IPCChannelMojoErraticTestClient");
// Set up IPC channel and start client.
ListenerExpectingErrors listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
// This matches a value in mojo/edk/system/constants.h
const int kMaxMessageNumBytes = 4 * 1024 * 1024;
std::string overly_large_data(kMaxMessageNumBytes, '*');
// This messages are queued as pending.
for (size_t i = 0; i < 10; ++i) {
IPC::TestChannelListener::SendOneMessage(sender(),
overly_large_data.c_str());
}
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
EXPECT_TRUE(listener.has_error());
DestroyChannel();
}
struct TestingMessagePipe {
TestingMessagePipe() {
EXPECT_EQ(MOJO_RESULT_OK, mojo::CreateMessagePipe(nullptr, &self, &peer));
}
mojo::ScopedMessagePipeHandle self;
mojo::ScopedMessagePipeHandle peer;
};
class HandleSendingHelper {
public:
static std::string GetSendingFileContent() { return "Hello"; }
static void WritePipe(IPC::Message* message, TestingMessagePipe* pipe) {
std::string content = HandleSendingHelper::GetSendingFileContent();
EXPECT_EQ(MOJO_RESULT_OK,
mojo::WriteMessageRaw(pipe->self.get(), &content[0],
static_cast<uint32_t>(content.size()),
nullptr, 0, 0));
EXPECT_TRUE(IPC::MojoMessageHelper::WriteMessagePipeTo(
message, std::move(pipe->peer)));
}
static void WritePipeThenSend(IPC::Sender* sender, TestingMessagePipe* pipe) {
IPC::Message* message =
new IPC::Message(0, 2, IPC::Message::PRIORITY_NORMAL);
WritePipe(message, pipe);
ASSERT_TRUE(sender->Send(message));
}
static void ReadReceivedPipe(const IPC::Message& message,
base::PickleIterator* iter) {
mojo::ScopedMessagePipeHandle pipe;
EXPECT_TRUE(
IPC::MojoMessageHelper::ReadMessagePipeFrom(&message, iter, &pipe));
std::string content(GetSendingFileContent().size(), ' ');
uint32_t num_bytes = static_cast<uint32_t>(content.size());
ASSERT_EQ(MOJO_RESULT_OK,
mojo::Wait(pipe.get(), MOJO_HANDLE_SIGNAL_READABLE,
MOJO_DEADLINE_INDEFINITE, nullptr));
EXPECT_EQ(MOJO_RESULT_OK,
mojo::ReadMessageRaw(pipe.get(), &content[0], &num_bytes, nullptr,
nullptr, 0));
EXPECT_EQ(content, GetSendingFileContent());
}
#if defined(OS_POSIX)
static base::FilePath GetSendingFilePath(const base::FilePath& dir_path) {
return dir_path.Append("ListenerThatExpectsFile.txt");
}
static void WriteFile(IPC::Message* message, base::File& file) {
std::string content = GetSendingFileContent();
file.WriteAtCurrentPos(content.data(), content.size());
file.Flush();
message->WriteAttachment(new IPC::internal::PlatformFileAttachment(
base::ScopedFD(file.TakePlatformFile())));
}
static void WriteFileThenSend(IPC::Sender* sender, base::File& file) {
IPC::Message* message =
new IPC::Message(0, 2, IPC::Message::PRIORITY_NORMAL);
WriteFile(message, file);
ASSERT_TRUE(sender->Send(message));
}
static void WriteFileAndPipeThenSend(IPC::Sender* sender,
base::File& file,
TestingMessagePipe* pipe) {
IPC::Message* message =
new IPC::Message(0, 2, IPC::Message::PRIORITY_NORMAL);
WriteFile(message, file);
WritePipe(message, pipe);
ASSERT_TRUE(sender->Send(message));
}
static void ReadReceivedFile(const IPC::Message& message,
base::PickleIterator* iter) {
base::ScopedFD fd;
scoped_refptr<base::Pickle::Attachment> attachment;
EXPECT_TRUE(message.ReadAttachment(iter, &attachment));
EXPECT_EQ(
IPC::MessageAttachment::Type::PLATFORM_FILE,
static_cast<IPC::MessageAttachment*>(attachment.get())->GetType());
base::File file(
static_cast<IPC::internal::PlatformFileAttachment*>(attachment.get())
->TakePlatformFile());
std::string content(GetSendingFileContent().size(), ' ');
file.Read(0, &content[0], content.size());
EXPECT_EQ(content, GetSendingFileContent());
}
#endif
};
class ListenerThatExpectsMessagePipe : public IPC::Listener {
public:
ListenerThatExpectsMessagePipe() : sender_(NULL) {}
~ListenerThatExpectsMessagePipe() override {}
bool OnMessageReceived(const IPC::Message& message) override {
base::PickleIterator iter(message);
HandleSendingHelper::ReadReceivedPipe(message, &iter);
ListenerThatExpectsOK::SendOK(sender_);
return true;
}
void OnChannelError() override {
base::MessageLoop::current()->QuitWhenIdle();
}
void set_sender(IPC::Sender* sender) { sender_ = sender; }
private:
IPC::Sender* sender_;
};
TEST_F(IPCChannelMojoTest, SendMessagePipe) {
Init("IPCChannelMojoTestSendMessagePipeClient");
ListenerThatExpectsOK listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
TestingMessagePipe pipe;
HandleSendingHelper::WritePipeThenSend(channel(), &pipe);
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
DestroyChannel();
}
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT(IPCChannelMojoTestSendMessagePipeClient) {
ListenerThatExpectsMessagePipe listener;
Connect(&listener);
listener.set_sender(channel());
base::RunLoop().Run();
Close();
}
void ReadOK(mojo::MessagePipeHandle pipe) {
std::string should_be_ok("xx");
uint32_t num_bytes = static_cast<uint32_t>(should_be_ok.size());
CHECK_EQ(MOJO_RESULT_OK, mojo::Wait(pipe, MOJO_HANDLE_SIGNAL_READABLE,
MOJO_DEADLINE_INDEFINITE, nullptr));
CHECK_EQ(MOJO_RESULT_OK,
mojo::ReadMessageRaw(pipe, &should_be_ok[0], &num_bytes, nullptr,
nullptr, 0));
EXPECT_EQ(should_be_ok, std::string("OK"));
}
void WriteOK(mojo::MessagePipeHandle pipe) {
std::string ok("OK");
CHECK_EQ(MOJO_RESULT_OK,
mojo::WriteMessageRaw(pipe, &ok[0], static_cast<uint32_t>(ok.size()),
nullptr, 0, 0));
}
class ListenerThatExpectsMessagePipeUsingParamTrait : public IPC::Listener {
public:
explicit ListenerThatExpectsMessagePipeUsingParamTrait(bool receiving_valid)
: sender_(NULL), receiving_valid_(receiving_valid) {}
~ListenerThatExpectsMessagePipeUsingParamTrait() override {}
bool OnMessageReceived(const IPC::Message& message) override {
base::PickleIterator iter(message);
mojo::MessagePipeHandle handle;
EXPECT_TRUE(IPC::ParamTraits<mojo::MessagePipeHandle>::Read(&message, &iter,
&handle));
EXPECT_EQ(handle.is_valid(), receiving_valid_);
if (receiving_valid_) {
ReadOK(handle);
MojoClose(handle.value());
}
ListenerThatExpectsOK::SendOK(sender_);
return true;
}
void OnChannelError() override {
base::MessageLoop::current()->QuitWhenIdle();
}
void set_sender(IPC::Sender* sender) { sender_ = sender; }
private:
IPC::Sender* sender_;
bool receiving_valid_;
};
class ParamTraitMessagePipeClient : public IpcChannelMojoTestClient {
public:
void RunTest(bool receiving_valid_handle) {
ListenerThatExpectsMessagePipeUsingParamTrait listener(
receiving_valid_handle);
Connect(&listener);
listener.set_sender(channel());
base::RunLoop().Run();
Close();
}
};
TEST_F(IPCChannelMojoTest, ParamTraitValidMessagePipe) {
Init("ParamTraitValidMessagePipeClient");
ListenerThatExpectsOK listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
TestingMessagePipe pipe;
std::unique_ptr<IPC::Message> message(new IPC::Message());
IPC::ParamTraits<mojo::MessagePipeHandle>::Write(message.get(),
pipe.peer.release());
WriteOK(pipe.self.get());
channel()->Send(message.release());
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
DestroyChannel();
}
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT_WITH_CUSTOM_FIXTURE(
ParamTraitValidMessagePipeClient,
ParamTraitMessagePipeClient) {
RunTest(true);
}
TEST_F(IPCChannelMojoTest, ParamTraitInvalidMessagePipe) {
Init("ParamTraitInvalidMessagePipeClient");
ListenerThatExpectsOK listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
mojo::MessagePipeHandle invalid_handle;
std::unique_ptr<IPC::Message> message(new IPC::Message());
IPC::ParamTraits<mojo::MessagePipeHandle>::Write(message.get(),
invalid_handle);
channel()->Send(message.release());
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
DestroyChannel();
}
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT_WITH_CUSTOM_FIXTURE(
ParamTraitInvalidMessagePipeClient,
ParamTraitMessagePipeClient) {
RunTest(false);
}
TEST_F(IPCChannelMojoTest, SendFailAfterClose) {
Init("IPCChannelMojoTestSendOkClient");
ListenerThatExpectsOK listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
base::RunLoop().Run();
channel()->Close();
ASSERT_FALSE(channel()->Send(new IPC::Message()));
EXPECT_TRUE(WaitForClientShutdown());
DestroyChannel();
}
class ListenerSendingOneOk : public IPC::Listener {
public:
ListenerSendingOneOk() {}
bool OnMessageReceived(const IPC::Message& message) override { return true; }
void OnChannelConnected(int32_t peer_pid) override {
ListenerThatExpectsOK::SendOK(sender_);
base::MessageLoop::current()->QuitWhenIdle();
}
void set_sender(IPC::Sender* sender) { sender_ = sender; }
private:
IPC::Sender* sender_;
};
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT(IPCChannelMojoTestSendOkClient) {
ListenerSendingOneOk listener;
Connect(&listener);
listener.set_sender(channel());
base::RunLoop().Run();
Close();
}
class ListenerWithSimpleAssociatedInterface
: public IPC::Listener,
public IPC::mojom::SimpleTestDriver {
public:
static const int kNumMessages;
ListenerWithSimpleAssociatedInterface() : binding_(this) {}
~ListenerWithSimpleAssociatedInterface() override {}
bool OnMessageReceived(const IPC::Message& message) override {
base::PickleIterator iter(message);
int32_t should_be_expected;
EXPECT_TRUE(iter.ReadInt(&should_be_expected));
EXPECT_EQ(should_be_expected, next_expected_value_);
num_messages_received_++;
return true;
}
void OnChannelError() override {
DCHECK(received_quit_);
}
void RegisterInterfaceFactory(IPC::Channel* channel) {
channel->GetAssociatedInterfaceSupport()->AddAssociatedInterface(
base::Bind(&ListenerWithSimpleAssociatedInterface::BindRequest,
base::Unretained(this)));
}
private:
// IPC::mojom::SimpleTestDriver:
void ExpectValue(int32_t value) override {
next_expected_value_ = value;
}
void GetExpectedValue(const GetExpectedValueCallback& callback) override {
NOTREACHED();
}
void RequestValue(const RequestValueCallback& callback) override {
NOTREACHED();
}
void RequestQuit(const RequestQuitCallback& callback) override {
EXPECT_EQ(kNumMessages, num_messages_received_);
received_quit_ = true;
callback.Run();
base::MessageLoop::current()->QuitWhenIdle();
}
void BindRequest(IPC::mojom::SimpleTestDriverAssociatedRequest request) {
DCHECK(!binding_.is_bound());
binding_.Bind(std::move(request));
}
int32_t next_expected_value_ = 0;
int num_messages_received_ = 0;
bool received_quit_ = false;
mojo::AssociatedBinding<IPC::mojom::SimpleTestDriver> binding_;
};
const int ListenerWithSimpleAssociatedInterface::kNumMessages = 1000;
class ListenerSendingAssociatedMessages : public IPC::Listener {
public:
ListenerSendingAssociatedMessages() {}
bool OnMessageReceived(const IPC::Message& message) override { return true; }
void OnChannelConnected(int32_t peer_pid) override {
DCHECK(channel_);
channel_->GetAssociatedInterfaceSupport()->GetRemoteAssociatedInterface(
&driver_);
// Send a bunch of interleaved messages, alternating between the associated
// interface and a legacy IPC::Message.
for (int i = 0; i < ListenerWithSimpleAssociatedInterface::kNumMessages;
++i) {
driver_->ExpectValue(i);
SendValue(channel_, i);
}
driver_->RequestQuit(base::Bind(&OnQuitAck));
}
void set_channel(IPC::Channel* channel) { channel_ = channel; }
private:
static void OnQuitAck() { base::MessageLoop::current()->QuitWhenIdle(); }
IPC::Channel* channel_ = nullptr;
IPC::mojom::SimpleTestDriverAssociatedPtr driver_;
};
TEST_F(IPCChannelMojoTest, SimpleAssociatedInterface) {
Init("SimpleAssociatedInterfaceClient");
ListenerWithSimpleAssociatedInterface listener;
CreateChannel(&listener);
ASSERT_TRUE(ConnectChannel());
listener.RegisterInterfaceFactory(channel());
base::RunLoop().Run();
channel()->Close();
EXPECT_TRUE(WaitForClientShutdown());
DestroyChannel();
}
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT(SimpleAssociatedInterfaceClient) {
ListenerSendingAssociatedMessages listener;
Connect(&listener);
listener.set_channel(channel());
base::RunLoop().Run();
Close();
}
class ChannelProxyRunner {
public:
ChannelProxyRunner(mojo::ScopedMessagePipeHandle handle,
bool for_server)
: for_server_(for_server),
handle_(std::move(handle)),
io_thread_("ChannelProxyRunner IO thread"),
never_signaled_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED) {
}
void CreateProxy(IPC::Listener* listener) {
io_thread_.StartWithOptions(
base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
proxy_ = IPC::SyncChannel::Create(
listener, io_thread_.task_runner(), &never_signaled_);
}
void RunProxy() {
std::unique_ptr<IPC::ChannelFactory> factory;
if (for_server_) {
factory = IPC::ChannelMojo::CreateServerFactory(
std::move(handle_), io_thread_.task_runner());
} else {
factory = IPC::ChannelMojo::CreateClientFactory(
std::move(handle_), io_thread_.task_runner());
}
proxy_->Init(std::move(factory), true);
}
IPC::ChannelProxy* proxy() { return proxy_.get(); }
private:
const bool for_server_;
mojo::ScopedMessagePipeHandle handle_;
base::Thread io_thread_;
std::unique_ptr<IPC::ChannelProxy> proxy_;
base::WaitableEvent never_signaled_;
DISALLOW_COPY_AND_ASSIGN(ChannelProxyRunner);
};
class IPCChannelProxyMojoTest : public IPCChannelMojoTestBase {
public:
void Init(const std::string& client_name) {
IPCChannelMojoTestBase::Init(client_name);
runner_.reset(new ChannelProxyRunner(TakeHandle(), true));
}
void CreateProxy(IPC::Listener* listener) { runner_->CreateProxy(listener); }
void RunProxy() {
runner_->RunProxy();
}
void DestroyProxy() {
runner_.reset();
base::RunLoop().RunUntilIdle();
}
IPC::ChannelProxy* proxy() { return runner_->proxy(); }
private:
std::unique_ptr<ChannelProxyRunner> runner_;
};
class ListenerWithSimpleProxyAssociatedInterface
: public IPC::Listener,
public IPC::mojom::SimpleTestDriver {
public:
static const int kNumMessages;
ListenerWithSimpleProxyAssociatedInterface() : binding_(this) {}
~ListenerWithSimpleProxyAssociatedInterface() override {}
bool OnMessageReceived(const IPC::Message& message) override {
base::PickleIterator iter(message);
int32_t should_be_expected;
EXPECT_TRUE(iter.ReadInt(&should_be_expected));
EXPECT_EQ(should_be_expected, next_expected_value_);
num_messages_received_++;
return true;
}
void OnChannelError() override {
DCHECK(received_quit_);
}
void OnAssociatedInterfaceRequest(
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle handle) override {
DCHECK_EQ(interface_name, IPC::mojom::SimpleTestDriver::Name_);
IPC::mojom::SimpleTestDriverAssociatedRequest request;
request.Bind(std::move(handle));
binding_.Bind(std::move(request));
}
bool received_all_messages() const {
return num_messages_received_ == kNumMessages && received_quit_;
}
private:
// IPC::mojom::SimpleTestDriver:
void ExpectValue(int32_t value) override {
next_expected_value_ = value;
}
void GetExpectedValue(const GetExpectedValueCallback& callback) override {
callback.Run(next_expected_value_);
}
void RequestValue(const RequestValueCallback& callback) override {
NOTREACHED();
}
void RequestQuit(const RequestQuitCallback& callback) override {
received_quit_ = true;
callback.Run();
binding_.Close();
base::MessageLoop::current()->QuitWhenIdle();
}
void BindRequest(IPC::mojom::SimpleTestDriverAssociatedRequest request) {
DCHECK(!binding_.is_bound());
binding_.Bind(std::move(request));
}
int32_t next_expected_value_ = 0;
int num_messages_received_ = 0;
bool received_quit_ = false;
mojo::AssociatedBinding<IPC::mojom::SimpleTestDriver> binding_;
};
const int ListenerWithSimpleProxyAssociatedInterface::kNumMessages = 1000;
TEST_F(IPCChannelProxyMojoTest, ProxyThreadAssociatedInterface) {
Init("ProxyThreadAssociatedInterfaceClient");
ListenerWithSimpleProxyAssociatedInterface listener;
CreateProxy(&listener);
RunProxy();
base::RunLoop().Run();
EXPECT_TRUE(WaitForClientShutdown());
EXPECT_TRUE(listener.received_all_messages());
DestroyProxy();
}
class ChannelProxyClient {
public:
void Init(mojo::ScopedMessagePipeHandle handle) {
runner_.reset(new ChannelProxyRunner(std::move(handle), false));
}
void CreateProxy(IPC::Listener* listener) { runner_->CreateProxy(listener); }
void RunProxy() { runner_->RunProxy(); }
void DestroyProxy() {
runner_.reset();
base::RunLoop().RunUntilIdle();
}
void RequestQuitAndWaitForAck(IPC::mojom::SimpleTestDriver* driver) {
base::RunLoop loop;
driver->RequestQuit(loop.QuitClosure());
loop.Run();
}
IPC::ChannelProxy* proxy() { return runner_->proxy(); }
private:
base::MessageLoop message_loop_;
std::unique_ptr<ChannelProxyRunner> runner_;
};
class DummyListener : public IPC::Listener {
public:
// IPC::Listener
bool OnMessageReceived(const IPC::Message& message) override { return true; }
};
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT_WITH_CUSTOM_FIXTURE(
ProxyThreadAssociatedInterfaceClient,
ChannelProxyClient) {
DummyListener listener;
CreateProxy(&listener);
RunProxy();
// Send a bunch of interleaved messages, alternating between the associated
// interface and a legacy IPC::Message.
IPC::mojom::SimpleTestDriverAssociatedPtr driver;
proxy()->GetRemoteAssociatedInterface(&driver);
for (int i = 0; i < ListenerWithSimpleProxyAssociatedInterface::kNumMessages;
++i) {
driver->ExpectValue(i);
SendValue(proxy(), i);
}
driver->RequestQuit(base::MessageLoop::QuitWhenIdleClosure());
base::RunLoop().Run();
DestroyProxy();
}
class ListenerWithIndirectProxyAssociatedInterface
: public IPC::Listener,
public IPC::mojom::IndirectTestDriver,
public IPC::mojom::PingReceiver {
public:
ListenerWithIndirectProxyAssociatedInterface()
: driver_binding_(this), ping_receiver_binding_(this) {}
~ListenerWithIndirectProxyAssociatedInterface() override {}
// IPC::Listener:
bool OnMessageReceived(const IPC::Message& message) override { return true; }
void OnAssociatedInterfaceRequest(
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle handle) override {
DCHECK(!driver_binding_.is_bound());
DCHECK_EQ(interface_name, IPC::mojom::IndirectTestDriver::Name_);
IPC::mojom::IndirectTestDriverAssociatedRequest request;
request.Bind(std::move(handle));
driver_binding_.Bind(std::move(request));
}
void set_ping_handler(const base::Closure& handler) {
ping_handler_ = handler;
}
private:
// IPC::mojom::IndirectTestDriver:
void GetPingReceiver(
IPC::mojom::PingReceiverAssociatedRequest request) override {
ping_receiver_binding_.Bind(std::move(request));
}
// IPC::mojom::PingReceiver:
void Ping(const PingCallback& callback) override {
callback.Run();
ping_handler_.Run();
}
mojo::AssociatedBinding<IPC::mojom::IndirectTestDriver> driver_binding_;
mojo::AssociatedBinding<IPC::mojom::PingReceiver> ping_receiver_binding_;
base::Closure ping_handler_;
};
TEST_F(IPCChannelProxyMojoTest, ProxyThreadAssociatedInterfaceIndirect) {
// Tests that we can pipeline interface requests and subsequent messages
// targeting proxy thread bindings, and the channel will still dispatch
// messages appropriately.
Init("ProxyThreadAssociatedInterfaceIndirectClient");
ListenerWithIndirectProxyAssociatedInterface listener;
CreateProxy(&listener);
RunProxy();
base::RunLoop loop;
listener.set_ping_handler(loop.QuitClosure());
loop.Run();
EXPECT_TRUE(WaitForClientShutdown());
DestroyProxy();
}
DEFINE_IPC_CHANNEL_MOJO_TEST_CLIENT_WITH_CUSTOM_FIXTURE(
ProxyThreadAssociatedInterfaceIndirectClient,
ChannelProxyClient) {
DummyListener listener;
CreateProxy(&listener);
RunProxy();
// Use an interface requested via another interface. On the remote end both
// interfaces are bound on the proxy thread. This ensures that the Ping
// message we send will still be dispatched properly even though the remote
// endpoint may not have been bound yet by the time the message is initially
// processed on the IO thread.
IPC::mojom::IndirectTestDriverAssociatedPtr driver;
IPC::mojom::PingReceiverAssociatedPtr ping_receiver;
proxy()->GetRemoteAssociatedInterface(&driver);
driver->GetPingReceiver(mojo::MakeRequest(&ping_receiver));
base::RunLoop loop;
ping_receiver->Ping(loop.QuitClosure());
loop.Run();
DestroyProxy();
}
class ListenerWithSyncAssociatedInterface
: public IPC::Listener,
public IPC::mojom::SimpleTestDriver {
public:
ListenerWithSyncAssociatedInterface() : binding_(this) {}
~ListenerWithSyncAssociatedInterface() override {}
void set_sync_sender(IPC::Sender* sync_sender) { sync_sender_ = sync_sender; }
void RunUntilQuitRequested() {
base::RunLoop loop;
quit_closure_ = loop.QuitClosure();
loop.Run();
}
void CloseBinding() { binding_.Close(); }
void set_response_value(int32_t response) {
response_value_ = response;
}
private:
// IPC::mojom::SimpleTestDriver:
void ExpectValue(int32_t value) override {
next_expected_value_ = value;
}
void GetExpectedValue(const GetExpectedValueCallback& callback) override {
callback.Run(next_expected_value_);
}
void RequestValue(const RequestValueCallback& callback) override {
callback.Run(response_value_);
}
void RequestQuit(const RequestQuitCallback& callback) override {
quit_closure_.Run();
callback.Run();
}
// IPC::Listener:
bool OnMessageReceived(const IPC::Message& message) override {
EXPECT_EQ(0u, message.type());
EXPECT_TRUE(message.is_sync());
EXPECT_TRUE(message.should_unblock());
std::unique_ptr<IPC::Message> reply(
IPC::SyncMessage::GenerateReply(&message));
reply->WriteInt(response_value_);
DCHECK(sync_sender_);
EXPECT_TRUE(sync_sender_->Send(reply.release()));
return true;
}
void OnAssociatedInterfaceRequest(
const std::string& interface_name,
mojo::ScopedInterfaceEndpointHandle handle) override {
DCHECK(!binding_.is_bound());
DCHECK_EQ(interface_name, IPC::mojom::SimpleTestDriver::Name_);
IPC::mojom::SimpleTestDriverAssociatedRequest request;
request.Bind(std::move(handle));
binding_.Bind(std::move(request));
}
void BindRequest(IPC::mojom::SimpleTestDriverAssociatedRequest request) {
DCHECK(!binding_.is_bound());
binding_.Bind(std::move(request));
}