GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: inspector/worker_inspector.cc Lines: 64 65 98.5 %
Date: 2022-06-12 04:16:28 Branches: 8 10 80.0 %

Line Branch Exec Source
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#include "worker_inspector.h"
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#include "main_thread_interface.h"
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#include "util-inl.h"
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#include <memory>
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namespace node {
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namespace inspector {
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namespace {
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class WorkerStartedRequest : public Request {
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 public:
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  WorkerStartedRequest(
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      uint64_t id,
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      const std::string& url,
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      std::shared_ptr<node::inspector::MainThreadHandle> worker_thread,
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      bool waiting)
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      : id_(id),
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        info_(BuildWorkerTitle(id), url, worker_thread),
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        waiting_(waiting) {}
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  void Call(MainThreadInterface* thread) override {
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    auto manager = thread->inspector_agent()->GetWorkerManager();
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    manager->WorkerStarted(id_, info_, waiting_);
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  }
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 private:
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  static std::string BuildWorkerTitle(int id) {
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    return "Worker " + std::to_string(id);
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  }
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  uint64_t id_;
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  WorkerInfo info_;
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  bool waiting_;
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};
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void Report(const std::unique_ptr<WorkerDelegate>& delegate,
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            const WorkerInfo& info, bool waiting) {
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  if (info.worker_thread)
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    delegate->WorkerCreated(info.title, info.url, waiting, info.worker_thread);
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}
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class WorkerFinishedRequest : public Request {
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 public:
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  explicit WorkerFinishedRequest(uint64_t worker_id) : worker_id_(worker_id) {}
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  void Call(MainThreadInterface* thread) override {
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    thread->inspector_agent()->GetWorkerManager()->WorkerFinished(worker_id_);
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  }
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 private:
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  uint64_t worker_id_;
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};
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}  // namespace
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ParentInspectorHandle::ParentInspectorHandle(
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    uint64_t id,
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    const std::string& url,
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    std::shared_ptr<MainThreadHandle> parent_thread,
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    bool wait_for_connect)
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    : id_(id),
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      url_(url),
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      parent_thread_(parent_thread),
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      wait_(wait_for_connect) {}
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ParentInspectorHandle::~ParentInspectorHandle() {
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  parent_thread_->Post(
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      std::unique_ptr<Request>(new WorkerFinishedRequest(id_)));
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}
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void ParentInspectorHandle::WorkerStarted(
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    std::shared_ptr<MainThreadHandle> worker_thread, bool waiting) {
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  std::unique_ptr<Request> request(
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      new WorkerStartedRequest(id_, url_, worker_thread, waiting));
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  parent_thread_->Post(std::move(request));
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}
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std::unique_ptr<inspector::InspectorSession> ParentInspectorHandle::Connect(
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    std::unique_ptr<inspector::InspectorSessionDelegate> delegate,
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    bool prevent_shutdown) {
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  return parent_thread_->Connect(std::move(delegate), prevent_shutdown);
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}
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void WorkerManager::WorkerFinished(uint64_t session_id) {
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  children_.erase(session_id);
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}
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void WorkerManager::WorkerStarted(uint64_t session_id,
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                                  const WorkerInfo& info,
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                                  bool waiting) {
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  if (info.worker_thread->Expired())
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    return;
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  children_.emplace(session_id, info);
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  for (const auto& delegate : delegates_) {
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    Report(delegate.second, info, waiting);
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  }
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}
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std::unique_ptr<ParentInspectorHandle> WorkerManager::NewParentHandle(
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    uint64_t thread_id, const std::string& url) {
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  bool wait = !delegates_waiting_on_start_.empty();
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  return std::make_unique<ParentInspectorHandle>(thread_id, url, thread_, wait);
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}
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void WorkerManager::RemoveAttachDelegate(int id) {
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  delegates_.erase(id);
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  delegates_waiting_on_start_.erase(id);
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}
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std::unique_ptr<WorkerManagerEventHandle> WorkerManager::SetAutoAttach(
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    std::unique_ptr<WorkerDelegate> attach_delegate) {
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  int id = ++next_delegate_id_;
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  delegates_[id] = std::move(attach_delegate);
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  const auto& delegate = delegates_[id];
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  for (const auto& worker : children_) {
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    // Waiting is only reported when a worker is started, same as browser
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    Report(delegate, worker.second, false);
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  }
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  return std::make_unique<WorkerManagerEventHandle>(shared_from_this(), id);
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}
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void WorkerManager::SetWaitOnStartForDelegate(int id, bool wait) {
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  if (wait)
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    delegates_waiting_on_start_.insert(id);
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  else
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    delegates_waiting_on_start_.erase(id);
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}
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void WorkerManagerEventHandle::SetWaitOnStart(bool wait_on_start) {
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    manager_->SetWaitOnStartForDelegate(id_, wait_on_start);
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}
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WorkerManagerEventHandle::~WorkerManagerEventHandle() {
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  manager_->RemoveAttachDelegate(id_);
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}
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}  // namespace inspector
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}  // namespace node