mdns_discovery.h

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#pragma once
 
#include "util/rats_export.h"
#include "node/peer_network.h"
#include "mdns/mdns.h"
 
#include <atomic>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_set>
 
namespace librats {
 
class RATS_API MdnsDiscovery final : public Subsystem {
public:
    struct Config {
        std::string instance_name = "";  
    };
 
    MdnsDiscovery();
    explicit MdnsDiscovery(Config config);
    ~MdnsDiscovery() override;
 
    void attach(NodeContext& ctx) override;
    void start() override;
    void stop() override;
 
    bool is_running() const;
 
private:
    void on_service(const MdnsService& service, bool is_new);
 
    Config                     config_;
    std::string                instance_;
    PeerNetwork*               network_ = nullptr;
    std::unique_ptr<MdnsClient> mdns_;
    std::atomic<bool>          running_{false};
 
    std::mutex                      dialed_mutex_;
    std::unordered_set<Address> dialed_;  
};
 
} // namespace librats