session_timeout.h

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// BSD 3-Clause License
// Copyright (c) 2021-2025, 🍀☀🌕🌥 🌊
// See the LICENSE file in the project root for full license information.
 
#pragma once
#include <chrono>
#include <atomic>
 
namespace kcenon::network {
 
class session_timeout_manager {
public:
    explicit session_timeout_manager(std::chrono::seconds timeout = std::chrono::seconds(300))
        : timeout_(timeout) {}
 
    void update_activity() {
        last_activity_ = std::chrono::steady_clock::now();
    }
 
    bool is_timed_out() const {
        auto now = std::chrono::steady_clock::now();
        auto elapsed = std::chrono::duration_cast<std::chrono::seconds>(
            now - last_activity_.load());
        return elapsed > timeout_;
    }
 
    auto get_idle_time() const {
        auto now = std::chrono::steady_clock::now();
        return std::chrono::duration_cast<std::chrono::seconds>(
            now - last_activity_.load());
    }
 
private:
    std::chrono::seconds timeout_;
    std::atomic<std::chrono::steady_clock::time_point> last_activity_{
        std::chrono::steady_clock::now()};
};
 
} // namespace