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// Copyright (c) 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 "base/run_loop.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/test_simple_task_runner.h"
#include "content/common/gpu/gpu_channel.h"
#include "content/common/gpu/gpu_channel_manager.h"
#include "content/common/gpu/gpu_messages.h"
#include "content/common/message_router.h"
#include "gpu/command_buffer/common/value_state.h"
#include "gpu/command_buffer/service/gl_utils.h"
#include "gpu/command_buffer/service/valuebuffer_manager.h"
#include "ipc/ipc_sync_channel.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::WaitableEvent;
using gpu::gles2::ValuebufferManager;
using gpu::ValueState;
namespace IPC {
class SimpleWorker : public Listener, public Sender {
public:
SimpleWorker(Channel::Mode mode, const std::string& thread_name)
: mode_(mode),
ipc_thread_((thread_name + "_ipc").c_str()),
shutdown_event_(true, false) {
}
~SimpleWorker() override {
}
void AddRef() { }
void Release() { }
bool Send(Message* msg) override { return channel_->Send(msg); }
virtual void Start() {
StartThread(&ipc_thread_, base::MessageLoop::TYPE_IO);
channel_.reset(CreateChannel());
}
virtual void Shutdown() {
WaitableEvent ipc_done(false, false);
ipc_thread_.message_loop()->PostTask(
FROM_HERE, base::Bind(&SimpleWorker::OnShutdown, this, &ipc_done));
channel_.reset();
ipc_done.Wait();
ipc_thread_.Stop();
}
protected:
SyncChannel* CreateChannel() {
scoped_ptr<SyncChannel> channel = SyncChannel::Create(
channel_name_, mode_, this, ipc_thread_.message_loop_proxy().get(),
true, &shutdown_event_);
return channel.release();
}
void OnShutdown(WaitableEvent* ipc_event) {
base::RunLoop().RunUntilIdle();
ipc_event->Signal();
}
const base::Thread& ipc_thread() const { return ipc_thread_; }
WaitableEvent* shutdown_event() { return &shutdown_event_; }
SyncChannel* channel() { return channel_.get(); }
private:
bool OnMessageReceived(const Message& message) override { return false; }
void StartThread(base::Thread* thread, base::MessageLoop::Type type) {
base::Thread::Options options;
options.message_loop_type = type;
thread->StartWithOptions(options);
}
std::string channel_name_;
Channel::Mode mode_;
scoped_ptr<SyncChannel> channel_;
base::Thread ipc_thread_;
base::WaitableEvent shutdown_event_;
DISALLOW_COPY_AND_ASSIGN(SimpleWorker);
};
class SimpleServer : public SimpleWorker {
public:
explicit SimpleServer()
: SimpleWorker(Channel::MODE_SERVER, "simpler_server") { }
};
} // namespace IPC
namespace content {
class SimpleGpuClient : public IPC::SimpleWorker {
public:
SimpleGpuClient()
: IPC::SimpleWorker(IPC::Channel::MODE_CLIENT, "simple_client"),
router_(this) {
}
void Start() override {
IPC::SimpleWorker::Start();
gpu_channel_manager_.reset(
new GpuChannelManager(&router_,
NULL,
ipc_thread().message_loop_proxy().get(),
shutdown_event(),
channel()));
}
void Shutdown() override {
gpu_channel_manager_.reset();
IPC::SimpleWorker::Shutdown();
}
GpuChannelManager* gpu_channel_manager() {
return gpu_channel_manager_.get();
}
private:
class SimpleMessageRouter : public MessageRouter {
public:
explicit SimpleMessageRouter(IPC::Sender* sender)
: sender_(sender) {
}
bool Send(IPC::Message* msg) override { return sender_->Send(msg); }
private:
IPC::Sender* const sender_;
};
SimpleMessageRouter router_;
scoped_ptr<GpuChannelManager> gpu_channel_manager_;
};
class GpuChannelManagerTest : public testing::Test {
public:
GpuChannelManagerTest() {}
void SetUp() override {
simple_client_.reset(new SimpleGpuClient());
simple_server_.reset(new IPC::SimpleServer());
simple_server_->Start();
simple_client_->Start();
}
void TearDown() override {
simple_client_->Shutdown();
simple_server_->Shutdown();
}
protected:
scoped_ptr<SimpleGpuClient> simple_client_;
scoped_ptr<IPC::SimpleServer> simple_server_;
private:
base::MessageLoop message_loop_;
};
TEST_F(GpuChannelManagerTest, SecureValueStateForwarding) {
const int kClientId1 = 111;
const int kClientId2 = 222;
ValueState kValueState1;
kValueState1.int_value[0] = 1111;
ValueState kValueState2;
kValueState2.int_value[0] = 3333;
ASSERT_TRUE(simple_client_->gpu_channel_manager() != NULL);
// Initialize gpu channels
simple_client_->gpu_channel_manager()->OnMessageReceived(
GpuMsg_EstablishChannel(kClientId1, false, false));
GpuChannel *channel1 =
simple_client_->gpu_channel_manager()->LookupChannel(kClientId1);
simple_client_->gpu_channel_manager()->OnMessageReceived(
GpuMsg_EstablishChannel(kClientId2, false, false));
GpuChannel *channel2 =
simple_client_->gpu_channel_manager()->LookupChannel(kClientId2);
ASSERT_TRUE(channel1 != NULL);
ASSERT_TRUE(channel2 != NULL);
ASSERT_NE(channel1, channel2);
// Make sure value states are only accessible by proper channels
simple_client_->gpu_channel_manager()->OnMessageReceived(
GpuMsg_UpdateValueState(
kClientId1, GL_MOUSE_POSITION_CHROMIUM, kValueState1));
simple_client_->gpu_channel_manager()->OnMessageReceived(
GpuMsg_UpdateValueState(
kClientId2, GL_MOUSE_POSITION_CHROMIUM, kValueState2));
const gpu::ValueStateMap* pending_value_buffer_state1 =
channel1->pending_valuebuffer_state();
const gpu::ValueStateMap* pending_value_buffer_state2 =
channel2->pending_valuebuffer_state();
ASSERT_NE(pending_value_buffer_state1, pending_value_buffer_state2);
const ValueState* state1 =
pending_value_buffer_state1->GetState(GL_MOUSE_POSITION_CHROMIUM);
const ValueState* state2 =
pending_value_buffer_state2->GetState(GL_MOUSE_POSITION_CHROMIUM);
ASSERT_NE(state1, state2);
ASSERT_EQ(state1->int_value[0], kValueState1.int_value[0]);
ASSERT_EQ(state2->int_value[0], kValueState2.int_value[0]);
ASSERT_NE(state1->int_value[0], state2->int_value[0]);
}
} // namespace content
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