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#ifndef SRC_INSPECTOR_WORKER_INSPECTOR_H_
#define SRC_INSPECTOR_WORKER_INSPECTOR_H_
#if !HAVE_INSPECTOR
#error("This header can only be used when inspector is enabled")
#endif
#include <memory>
#include <string>
#include <unordered_map>
#include <unordered_set>
namespace node {
namespace inspector {
class InspectorSession;
class InspectorSessionDelegate;
class MainThreadHandle;
class WorkerManager;
class WorkerDelegate {
public:
virtual void WorkerCreated(const std::string& title,
const std::string& url,
bool waiting,
std::shared_ptr<MainThreadHandle> worker) = 0;
virtual ~WorkerDelegate() = default;
};
class WorkerManagerEventHandle {
public:
explicit WorkerManagerEventHandle(std::shared_ptr<WorkerManager> manager,
int id)
: manager_(manager), id_(id) {}
void SetWaitOnStart(bool wait_on_start);
~WorkerManagerEventHandle();
private:
std::shared_ptr<WorkerManager> manager_;
int id_;
};
struct WorkerInfo {
WorkerInfo(const std::string& target_title,
const std::string& target_url,
std::shared_ptr<MainThreadHandle> worker_thread)
: title(target_title),
url(target_url),
worker_thread(worker_thread) {}
std::string title;
std::string url;
std::shared_ptr<MainThreadHandle> worker_thread;
};
class ParentInspectorHandle {
public:
ParentInspectorHandle(uint64_t id,
const std::string& url,
std::shared_ptr<MainThreadHandle> parent_thread,
bool wait_for_connect,
const std::string& name);
~ParentInspectorHandle();
std::unique_ptr<ParentInspectorHandle> NewParentInspectorHandle(
uint64_t thread_id, const std::string& url, const std::string& name) {
return std::make_unique<ParentInspectorHandle>(
thread_id, url, parent_thread_, wait_, name);
}
void WorkerStarted(std::shared_ptr<MainThreadHandle> worker_thread,
bool waiting);
bool WaitForConnect() {
return wait_;
}
const std::string& url() const { return url_; }
std::unique_ptr<inspector::InspectorSession> Connect(
std::unique_ptr<inspector::InspectorSessionDelegate> delegate,
bool prevent_shutdown);
private:
uint64_t id_;
std::string url_;
std::shared_ptr<MainThreadHandle> parent_thread_;
bool wait_;
std::string name_;
};
class WorkerManager : public std::enable_shared_from_this<WorkerManager> {
public:
explicit WorkerManager(std::shared_ptr<MainThreadHandle> thread)
: thread_(thread) {}
std::unique_ptr<ParentInspectorHandle> NewParentHandle(
uint64_t thread_id, const std::string& url, const std::string& name);
void WorkerStarted(uint64_t session_id, const WorkerInfo& info, bool waiting);
void WorkerFinished(uint64_t session_id);
std::unique_ptr<WorkerManagerEventHandle> SetAutoAttach(
std::unique_ptr<WorkerDelegate> attach_delegate);
void SetWaitOnStartForDelegate(int id, bool wait);
void RemoveAttachDelegate(int id);
std::shared_ptr<MainThreadHandle> MainThread() {
return thread_;
}
private:
std::shared_ptr<MainThreadHandle> thread_;
std::unordered_map<uint64_t, WorkerInfo> children_;
std::unordered_map<int, std::unique_ptr<WorkerDelegate>> delegates_;
// If any one needs it, workers stop for all
std::unordered_set<int> delegates_waiting_on_start_;
int next_delegate_id_ = 0;
};
} // namespace inspector
} // namespace node
#endif // SRC_INSPECTOR_WORKER_INSPECTOR_H_
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