network_manager.h

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#pragma once
 
#include "ersa/common/types.h"
#include "ersa/events/event_bus.h"
#include "ersa/hal/wifi.h"
#include <stdint.h>
#include <stddef.h>
 
namespace ersa {
namespace services {
 
class NetworkManager;
 
class NetworkHandle {
public:
    NetworkHandle();
    explicit NetworkHandle(NetworkManager* mgr);
    ~NetworkHandle();
 
    NetworkHandle(const NetworkHandle&) = delete;
    NetworkHandle& operator=(const NetworkHandle&) = delete;
 
    NetworkHandle(NetworkHandle&& other) noexcept;
    NetworkHandle& operator=(NetworkHandle&& other) noexcept;
 
    bool isValid() const { return active_; }
    void release();
 
private:
    NetworkManager* mgr_{nullptr};
    bool active_{false};
};
 
class NetworkManager {
public:
    explicit NetworkManager(events::EventBus& bus = events::EventBus::instance(),
                            hal::IWifiRadio* wifi = nullptr);
 
    Result<void> init();
    void tick(uint32_t currentUptimeMs);
 
    NetworkHandle requestInternet();
    void acquire();
    void release();
 
    bool isConnected() const;
    bool isConnecting() const;
    size_t getActiveHandleCount() const;
 
    static NetworkManager& instance();
    static void setInstance(NetworkManager* instance);
 
private:
    events::EventBus& bus_;
    hal::IWifiRadio* wifi_;
    size_t activeHandles_{0};
    bool connected_{false};
    bool connecting_{false};
    uint32_t lastActivityMs_{0};
};
 
} // namespace services
} // namespace ersa