lokinet/llarp/service/session.hpp

#pragma once

#include "info.hpp"
#include "intro.hpp"

#include <llarp/crypto/types.hpp>
#include <llarp/path/path.hpp>
#include <llarp/util/status.hpp>
#include <llarp/util/types.hpp>

namespace llarp::service
{
  static constexpr auto SessionLifetime = path::DEFAULT_LIFETIME * 2;

  struct Session
  {
    /// the intro we have
    Introduction replyIntro;
    SharedSecret sharedKey;
    ServiceInfo remote;
    /// the intro they have
    Introduction intro;

    /// the sequence number we are to use for the next message
    uint64_t seqno = 0;

    /// number of remote messages we sent to them
    uint64_t messagesSend = 0;
    /// number of remote messages we got from them
    uint64_t messagesRecv = 0;

    bool inbound = false;
    bool forever = false;

    Duration_t lastSend{};
    Duration_t lastRecv{};

    util::StatusObject
    ExtractStatus() const;

    /// called to indicate we recieved on this session
    void
    RX();

    /// called to indicate we transimitted on this session
    void
    TX();

    bool
    IsExpired(llarp_time_t now, llarp_time_t lifetime = SessionLifetime) const;

    Address
    Addr() const;
  };

}  // namespace llarp::service