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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/src/inspector/worker_inspector.cc |
#include "worker_inspector.h"
#include "main_thread_interface.h"
#include "util-inl.h"
#include <memory>
namespace node {
namespace inspector {
namespace {
class WorkerStartedRequest : public Request {
public:
WorkerStartedRequest(
uint64_t id,
const std::string& url,
std::shared_ptr<node::inspector::MainThreadHandle> worker_thread,
bool waiting)
: id_(id),
info_(BuildWorkerTitle(id), url, worker_thread),
waiting_(waiting) {}
void Call(MainThreadInterface* thread) override {
auto manager = thread->inspector_agent()->GetWorkerManager();
manager->WorkerStarted(id_, info_, waiting_);
}
private:
static std::string BuildWorkerTitle(int id) {
return "Worker " + std::to_string(id);
}
uint64_t id_;
WorkerInfo info_;
bool waiting_;
};
void Report(const std::unique_ptr<WorkerDelegate>& delegate,
const WorkerInfo& info, bool waiting) {
if (info.worker_thread)
delegate->WorkerCreated(info.title, info.url, waiting, info.worker_thread);
}
class WorkerFinishedRequest : public Request {
public:
explicit WorkerFinishedRequest(uint64_t worker_id) : worker_id_(worker_id) {}
void Call(MainThreadInterface* thread) override {
thread->inspector_agent()->GetWorkerManager()->WorkerFinished(worker_id_);
}
private:
uint64_t worker_id_;
};
} // namespace
ParentInspectorHandle::ParentInspectorHandle(
uint64_t id,
const std::string& url,
std::shared_ptr<MainThreadHandle> parent_thread,
bool wait_for_connect)
: id_(id),
url_(url),
parent_thread_(parent_thread),
wait_(wait_for_connect) {}
ParentInspectorHandle::~ParentInspectorHandle() {
parent_thread_->Post(
std::unique_ptr<Request>(new WorkerFinishedRequest(id_)));
}
void ParentInspectorHandle::WorkerStarted(
std::shared_ptr<MainThreadHandle> worker_thread, bool waiting) {
std::unique_ptr<Request> request(
new WorkerStartedRequest(id_, url_, worker_thread, waiting));
parent_thread_->Post(std::move(request));
}
std::unique_ptr<inspector::InspectorSession> ParentInspectorHandle::Connect(
std::unique_ptr<inspector::InspectorSessionDelegate> delegate,
bool prevent_shutdown) {
return parent_thread_->Connect(std::move(delegate), prevent_shutdown);
}
void WorkerManager::WorkerFinished(uint64_t session_id) {
children_.erase(session_id);
}
void WorkerManager::WorkerStarted(uint64_t session_id,
const WorkerInfo& info,
bool waiting) {
if (info.worker_thread->Expired())
return;
children_.emplace(session_id, info);
for (const auto& delegate : delegates_) {
Report(delegate.second, info, waiting);
}
}
std::unique_ptr<ParentInspectorHandle> WorkerManager::NewParentHandle(
uint64_t thread_id, const std::string& url) {
bool wait = !delegates_waiting_on_start_.empty();
return std::make_unique<ParentInspectorHandle>(thread_id, url, thread_, wait);
}
void WorkerManager::RemoveAttachDelegate(int id) {
delegates_.erase(id);
delegates_waiting_on_start_.erase(id);
}
std::unique_ptr<WorkerManagerEventHandle> WorkerManager::SetAutoAttach(
std::unique_ptr<WorkerDelegate> attach_delegate) {
int id = ++next_delegate_id_;
delegates_[id] = std::move(attach_delegate);
const auto& delegate = delegates_[id];
for (const auto& worker : children_) {
// Waiting is only reported when a worker is started, same as browser
Report(delegate, worker.second, false);
}
return std::make_unique<WorkerManagerEventHandle>(shared_from_this(), id);
}
void WorkerManager::SetWaitOnStartForDelegate(int id, bool wait) {
if (wait)
delegates_waiting_on_start_.insert(id);
else
delegates_waiting_on_start_.erase(id);
}
void WorkerManagerEventHandle::SetWaitOnStart(bool wait_on_start) {
manager_->SetWaitOnStartForDelegate(id_, wait_on_start);
}
WorkerManagerEventHandle::~WorkerManagerEventHandle() {
manager_->RemoveAttachDelegate(id_);
}
} // namespace inspector
} // namespace node
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