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#include <torch/csrc/monitor/events.h>
#include <algorithm>
#include <mutex>
#include <vector>
namespace torch::monitor {
namespace {
class EventHandlers {
public:
void registerEventHandler(std::shared_ptr<EventHandler> handler) noexcept {
std::unique_lock<std::mutex> lock(mu_);
handlers_.emplace_back(std::move(handler));
}
void unregisterEventHandler(
const std::shared_ptr<EventHandler>& handler) noexcept {
std::unique_lock<std::mutex> lock(mu_);
auto it = std::find(handlers_.begin(), handlers_.end(), handler);
handlers_.erase(it);
}
void logEvent(const Event& e) {
std::unique_lock<std::mutex> lock(mu_);
for (auto& handler : handlers_) {
handler->handle(e);
}
}
static EventHandlers& get() noexcept {
static EventHandlers ehs;
return ehs;
}
private:
std::mutex mu_{};
std::vector<std::shared_ptr<EventHandler>> handlers_{};
};
} // namespace
void logEvent(const Event& e) {
EventHandlers::get().logEvent(e);
}
void registerEventHandler(std::shared_ptr<EventHandler> p) {
EventHandlers::get().registerEventHandler(std::move(p));
}
void unregisterEventHandler(const std::shared_ptr<EventHandler>& p) {
EventHandlers::get().unregisterEventHandler(p);
}
} // namespace torch::monitor
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