lokinet/llarp/constants/path.hpp
Jeff Becker acecb23eb3
make libuv event loop logic queue size configurable.
remove logic constructor that is no-op.
add constant for default logic queue size
add constant for transit hop queue size
2020-06-01 09:17:44 -04:00

45 lines
1.5 KiB
C++

#ifndef LLARP_CONSTANTS_PATH_HPP
#define LLARP_CONSTANTS_PATH_HPP
#include <chrono>
#include <cstddef>
#include <util/types.hpp>
#include <util/time.hpp>
namespace llarp
{
namespace path
{
/// maximum path length
constexpr std::size_t max_len = 8;
/// default path length
constexpr std::size_t default_len = 4;
/// pad messages to the nearest this many bytes
constexpr std::size_t pad_size = 128;
/// default path lifetime in ms
constexpr std::chrono::milliseconds default_lifetime = 20min;
/// minimum into lifetime we will advertise
constexpr std::chrono::milliseconds min_intro_lifetime = default_lifetime / 2;
/// spacing frequency at which we try to build paths for introductions
constexpr std::chrono::milliseconds intro_path_spread = default_lifetime / 5;
/// Minimum paths to keep around for intros; mainly used at startup (the
/// spread, above, should be able to maintain more than this number of paths
/// normally once things are going).
constexpr std::size_t min_intro_paths = 4;
/// after this many ms a path build times out
constexpr auto build_timeout = 30s;
/// measure latency every this interval ms
constexpr auto latency_interval = 20s;
/// if a path is inactive for this amount of time it's dead
constexpr auto alive_timeout = latency_interval * 1.5;
/// how big transit hop traffic queues are
constexpr std::size_t transit_hop_queue_size = 256;
} // namespace path
} // namespace llarp
#endif