lokinet/llarp/exit/context.hpp

#pragma once
#include "policy.hpp"

#include <llarp/handlers/exit.hpp>

#include <string>
#include <unordered_map>

namespace llarp::exit
{
  /// owner of all the exit endpoints
  struct Context
  {
    Context(Router* r);
    ~Context();

    void
    Tick(llarp_time_t now);

    void
    clear_all_endpoints();

    util::StatusObject
    ExtractStatus() const;

    /// send close to all exit sessions and remove all sessions
    void
    stop();

    void
    add_exit_endpoint(
        const std::string& name, const NetworkConfig& networkConfig, const DnsConfig& dnsConfig);

    bool
    obtain_new_exit(const PubKey& remote, const PathID_t& path, bool permitInternet);

    exit::Endpoint*
    find_endpoint_for_path(const PathID_t& path) const;

    /// calculate (pk, tx, rx) for all exit traffic
    using TrafficStats = std::unordered_map<PubKey, std::pair<uint64_t, uint64_t>>;

    void
    calculate_exit_traffic(TrafficStats& stats);

    std::shared_ptr<handlers::ExitEndpoint>
    get_exit_endpoint(std::string name) const;

   private:
    Router* router;
    std::unordered_map<std::string, std::shared_ptr<handlers::ExitEndpoint>> _exits;
    std::list<std::shared_ptr<handlers::ExitEndpoint>> _closed;
  };
}  // namespace llarp::exit