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target_agent.cc
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136 lines (118 loc) · 4.28 KB
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#include "target_agent.h"
#include <string_view>
#include "crdtp/dispatch.h"
#include "inspector/worker_inspector.h"
#include "main_thread_interface.h"
namespace node {
namespace inspector {
namespace protocol {
std::unordered_map<int, std::shared_ptr<MainThreadHandle>>
TargetAgent::target_session_id_worker_map_ =
std::unordered_map<int, std::shared_ptr<MainThreadHandle>>();
int TargetAgent::next_session_id_ = 1;
class WorkerTargetDelegate : public WorkerDelegate {
public:
explicit WorkerTargetDelegate(std::shared_ptr<TargetAgent> target_agent)
: target_agent_(target_agent) {}
void WorkerCreated(const std::string& title,
const std::string& url,
bool waiting,
std::shared_ptr<MainThreadHandle> worker) override {
target_agent_->createAndAttachIfNecessary(worker, title, url);
}
private:
const std::shared_ptr<TargetAgent> target_agent_;
};
std::unique_ptr<Target::TargetInfo> createTargetInfo(
const std::string_view target_id,
const std::string_view type,
const std::string_view title,
const std::string_view url) {
return Target::TargetInfo::create()
.setTargetId(std::string(target_id))
.setType(std::string(type))
.setTitle(std::string(title))
.setUrl(std::string(url))
.setAttached(false)
.setCanAccessOpener(true)
.build();
}
void TargetAgent::Wire(UberDispatcher* dispatcher) {
frontend_ = std::make_unique<Target::Frontend>(dispatcher->channel());
Target::Dispatcher::wire(dispatcher, this);
}
void TargetAgent::createAndAttachIfNecessary(
std::shared_ptr<MainThreadHandle> worker,
const std::string& title,
const std::string& url) {
std::string target_id = std::to_string(getNextTargetId());
std::string type = "node_worker";
targetCreated(target_id, type, title, url);
bool attached = false;
if (auto_attach_) {
attached = true;
attachedToTarget(worker, target_id, type, title, url);
}
targets_.push_back({target_id, type, title, url, worker, attached});
}
void TargetAgent::listenWorker(std::weak_ptr<WorkerManager> worker_manager) {
auto manager = worker_manager.lock();
if (!manager) {
return;
}
std::unique_ptr<WorkerDelegate> delegate(
new WorkerTargetDelegate(shared_from_this()));
worker_event_handle_ = manager->SetAutoAttach(std::move(delegate));
}
void TargetAgent::reset() {
if (worker_event_handle_) {
worker_event_handle_.reset();
}
}
void TargetAgent::targetCreated(const std::string_view target_id,
const std::string_view type,
const std::string_view title,
const std::string_view url) {
frontend_->targetCreated(createTargetInfo(target_id, type, title, url));
}
int TargetAgent::getNextSessionId() {
return next_session_id_++;
}
int TargetAgent::getNextTargetId() {
return next_target_id_++;
}
void TargetAgent::attachedToTarget(std::shared_ptr<MainThreadHandle> worker,
const std::string& target_id,
const std::string& type,
const std::string& title,
const std::string& url) {
int session_id = getNextSessionId();
target_session_id_worker_map_[session_id] = worker;
worker->SetTargetSessionId(session_id);
frontend_->attachedToTarget(std::to_string(session_id),
createTargetInfo(target_id, type, title, url),
true);
}
// TODO(islandryu): Currently, setAutoAttach applies the main thread's value to
// all threads. Modify it to be managed per worker thread.
crdtp::DispatchResponse TargetAgent::setAutoAttach(
bool auto_attach, bool wait_for_debugger_on_start) {
auto_attach_ = auto_attach;
wait_for_debugger_on_start_ = wait_for_debugger_on_start;
if (auto_attach) {
for (auto& target : targets_) {
if (!target.attached) {
target.attached = true;
attachedToTarget(target.worker,
target.target_id,
target.type,
target.title,
target.url);
}
}
}
return DispatchResponse::Success();
}
} // namespace protocol
} // namespace inspector
} // namespace node