v8/test/inspector/frontend-channel.h
Dave Tapuska 2f0384871f [execution] Pass microtask queue from Context to MicrotasksScope
With a unique microtask queue possibly per context we need to pass
the microtask queue for the MicrotasksScope otherwise the default one
for the isolate will be used.

BUG=chromium:961186

Change-Id: Ib085f08e20185c69760aeea335d673d9c4c72999
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3950216
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83803}
2022-10-19 14:56:37 +00:00

83 lines
2.8 KiB
C++

// Copyright 2020 the V8 project 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 V8_TEST_INSPECTOR_FRONTEND_CHANNEL_H_
#define V8_TEST_INSPECTOR_FRONTEND_CHANNEL_H_
#include <vector>
#include "include/v8-context.h"
#include "include/v8-function.h"
#include "include/v8-inspector.h"
#include "include/v8-microtask-queue.h"
#include "include/v8-persistent-handle.h"
#include "test/inspector/task-runner.h"
#include "test/inspector/utils.h"
namespace v8 {
namespace internal {
class FrontendChannelImpl : public v8_inspector::V8Inspector::Channel {
public:
FrontendChannelImpl(TaskRunner* task_runner, int context_group_id,
v8::Isolate* isolate, v8::Local<v8::Function> function)
: task_runner_(task_runner),
context_group_id_(context_group_id),
function_(isolate, function) {}
~FrontendChannelImpl() override = default;
FrontendChannelImpl(const FrontendChannelImpl&) = delete;
FrontendChannelImpl& operator=(const FrontendChannelImpl&) = delete;
void set_session_id(int session_id) { session_id_ = session_id; }
private:
void sendResponse(
int callId,
std::unique_ptr<v8_inspector::StringBuffer> message) override {
task_runner_->Append(
std::make_unique<SendMessageTask>(this, ToVector(message->string())));
}
void sendNotification(
std::unique_ptr<v8_inspector::StringBuffer> message) override {
task_runner_->Append(
std::make_unique<SendMessageTask>(this, ToVector(message->string())));
}
void flushProtocolNotifications() override {}
class SendMessageTask : public TaskRunner::Task {
public:
SendMessageTask(FrontendChannelImpl* channel,
const std::vector<uint16_t>& message)
: channel_(channel), message_(message) {}
~SendMessageTask() override = default;
bool is_priority_task() final { return false; }
private:
void Run(InspectorIsolateData* data) override {
v8::HandleScope handle_scope(data->isolate());
v8::Local<v8::Context> context =
data->GetDefaultContext(channel_->context_group_id_);
v8::MicrotasksScope microtasks_scope(context,
v8::MicrotasksScope::kRunMicrotasks);
v8::Context::Scope context_scope(context);
v8::Local<v8::Value> message = ToV8String(data->isolate(), message_);
v8::MaybeLocal<v8::Value> result;
result = channel_->function_.Get(data->isolate())
->Call(context, context->Global(), 1, &message);
}
FrontendChannelImpl* channel_;
std::vector<uint16_t> message_;
};
TaskRunner* task_runner_;
int context_group_id_;
v8::Global<v8::Function> function_;
int session_id_;
};
} // namespace internal
} // namespace v8
#endif // V8_TEST_INSPECTOR_FRONTEND_CHANNEL_H_