cef/tests/cefclient/renderer/ipc_performance_test.cc

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// Copyright (c) 2022 The Chromium Embedded Framework 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 "tests/cefclient/renderer/ipc_performance_test.h"
#include "include/cef_shared_process_message_builder.h"
#include "include/wrapper/cef_helpers.h"
#include "tests/shared/common/binary_value_utils.h"
namespace {
// JS object member names.
constexpr char kMessageSize[] = "size";
constexpr char kTestId[] = "testId";
constexpr CefV8Value::PropertyAttribute kAttributes =
static_cast<CefV8Value::PropertyAttribute>(
V8_PROPERTY_ATTRIBUTE_READONLY | V8_PROPERTY_ATTRIBUTE_DONTENUM |
V8_PROPERTY_ATTRIBUTE_DONTDELETE);
struct TestInfo {
size_t message_size = 0;
int id = 0;
bool is_valid = false;
};
TestInfo GetTest(const CefV8ValueList& arguments, CefString& exception) {
TestInfo info{};
if (arguments.size() != 1 || !arguments[0]->IsObject()) {
exception = "Invalid arguments; expecting a single object";
return info;
}
CefRefPtr<CefV8Value> arg = arguments[0];
CefRefPtr<CefV8Value> message_size = arg->GetValue(kMessageSize);
if (!message_size.get() || !message_size->IsInt()) {
exception =
"Invalid arguments; object member 'size' is required and must have "
"integer type";
return info;
}
if (message_size->GetIntValue() < 1) {
exception =
"Invalid arguments; object member 'size' must be "
"positive";
return info;
}
CefRefPtr<CefV8Value> test_id = arg->GetValue(kTestId);
if (!message_size.get() || !message_size->IsInt()) {
exception =
"Invalid arguments; object member 'testId' is required and must "
"have integer type";
return info;
}
info.message_size = static_cast<size_t>(message_size->GetIntValue());
info.id = test_id->GetIntValue();
info.is_valid = true;
return info;
}
// Handle bindings in the render process.
class IpcDelegate final : public client::ClientAppRenderer::Delegate {
public:
class V8HandlerImpl final : public CefV8Handler {
public:
explicit V8HandlerImpl(const CefRefPtr<IpcDelegate>& delegate)
: delegate_(delegate) {}
V8HandlerImpl(const V8HandlerImpl&) = delete;
V8HandlerImpl& operator=(const V8HandlerImpl&) = delete;
bool Execute(const CefString& name,
CefRefPtr<CefV8Value> object,
const CefV8ValueList& arguments,
CefRefPtr<CefV8Value>& retval,
CefString& exception) override {
if (name == bv_utils::kTestSendProcessMessage) {
const auto test = GetTest(arguments, exception);
if (test.is_valid) {
SendTestProcessMessage(test.message_size, test.id);
}
return true;
}
if (name == bv_utils::kTestSendSMRProcessMessage) {
const auto test = GetTest(arguments, exception);
if (test.is_valid) {
SendTestSMRProcessMessage(test.message_size, test.id);
}
return true;
}
return false;
}
private:
void SendTestProcessMessage(size_t message_size, int test_id) {
auto context = CefV8Context::GetCurrentContext();
delegate_->SendTestProcessMessage(context->GetFrame(), message_size,
test_id);
}
void SendTestSMRProcessMessage(size_t message_size, int test_id) {
auto context = CefV8Context::GetCurrentContext();
delegate_->SendTestSMRProcessMessage(context->GetFrame(), message_size,
test_id);
}
CefRefPtr<IpcDelegate> delegate_;
IMPLEMENT_REFCOUNTING(V8HandlerImpl);
};
IpcDelegate() = default;
IpcDelegate(const IpcDelegate&) = delete;
IpcDelegate& operator=(const IpcDelegate&) = delete;
void OnContextCreated(CefRefPtr<client::ClientAppRenderer> app,
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) override {
CEF_REQUIRE_RENDERER_THREAD();
CefRefPtr<CefV8Handler> handler = new V8HandlerImpl(this);
// Register function handlers with the 'window' object.
auto window = context->GetGlobal();
window->SetValue(
bv_utils::kTestSendProcessMessage,
CefV8Value::CreateFunction(bv_utils::kTestSendProcessMessage, handler),
kAttributes);
window->SetValue(bv_utils::kTestSendSMRProcessMessage,
CefV8Value::CreateFunction(
bv_utils::kTestSendSMRProcessMessage, handler),
kAttributes);
}
bool OnProcessMessageReceived(CefRefPtr<client::ClientAppRenderer> app,
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) override {
CEF_REQUIRE_RENDERER_THREAD();
const auto finish_time = bv_utils::Now();
if (message->GetName() == bv_utils::kTestSendProcessMessage) {
auto args = message->GetArgumentList();
DCHECK_EQ(args->GetSize(), 1U);
const auto browser_msg =
bv_utils::GetBrowserMsgFromBinary(args->GetBinary(0));
PassTestResultToJs(frame, finish_time, browser_msg);
return true;
}
if (message->GetName() == bv_utils::kTestSendSMRProcessMessage) {
const auto region = message->GetSharedMemoryRegion();
DCHECK(region->IsValid());
DCHECK_GE(region->Size(), sizeof(bv_utils::BrowserMessage));
const auto browser_msg =
static_cast<const bv_utils::BrowserMessage*>(region->Memory());
PassTestResultToJs(frame, finish_time, *browser_msg);
return true;
}
return false;
}
private:
IMPLEMENT_REFCOUNTING(IpcDelegate);
void SendTestProcessMessage(CefRefPtr<CefFrame> frame,
size_t message_size,
int test_id) {
CEF_REQUIRE_RENDERER_THREAD();
auto process_message =
CefProcessMessage::Create(bv_utils::kTestSendProcessMessage);
auto args = process_message->GetArgumentList();
const auto buffer_size =
std::max(message_size, sizeof(bv_utils::RendererMessage));
std::vector<uint8_t> buffer(buffer_size);
const auto renderer_msg =
reinterpret_cast<bv_utils::RendererMessage*>(buffer.data());
renderer_msg->test_id = test_id;
renderer_msg->start_time = bv_utils::Now();
args->SetBinary(0, bv_utils::CreateCefBinaryValue(buffer));
frame->SendProcessMessage(PID_BROWSER, process_message);
}
void SendTestSMRProcessMessage(CefRefPtr<CefFrame> frame,
size_t message_size,
int test_id) {
CEF_REQUIRE_RENDERER_THREAD();
const auto buffer_size =
std::max(message_size, sizeof(bv_utils::RendererMessage));
std::vector<uint8_t> buffer(buffer_size);
const auto renderer_msg =
reinterpret_cast<bv_utils::RendererMessage*>(buffer.data());
renderer_msg->test_id = test_id;
renderer_msg->start_time = bv_utils::Now();
auto builder = CefSharedProcessMessageBuilder::Create(
bv_utils::kTestSendSMRProcessMessage, buffer_size);
bv_utils::CopyDataIntoMemory(buffer, builder->Memory());
frame->SendProcessMessage(PID_BROWSER, builder->Build());
}
// Execute the onSuccess JavaScript callback.
void PassTestResultToJs(CefRefPtr<CefFrame> frame,
const bv_utils::TimePoint& finish_time,
const bv_utils::BrowserMessage& msg) {
const auto rendered_to_browser = msg.duration;
const auto browser_to_rendered = finish_time - msg.start_time;
CefString code = "testSendProcessMessageResult(" +
std::to_string(msg.test_id) + ", " +
bv_utils::ToMicroSecString(rendered_to_browser) + ", " +
bv_utils::ToMicroSecString(browser_to_rendered) + ");";
frame->ExecuteJavaScript(code, frame->GetURL(), 0);
}
};
} // namespace
namespace client::ipc_performance_test {
void CreateDelegates(ClientAppRenderer::DelegateSet& delegates) {
delegates.insert(new IpcDelegate());
}
} // namespace client::ipc_performance_test