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44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#pragma once
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#include <chrono>
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#include <cstddef>
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#include <llarp/util/types.hpp>
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#include <llarp/util/time.hpp>
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namespace llarp
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{
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namespace path
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{
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/// maximum path length
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constexpr std::size_t max_len = 8;
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/// default path length
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constexpr std::size_t default_len = 4;
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/// pad messages to the nearest this many bytes
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constexpr std::size_t pad_size = 128;
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/// default path lifetime in ms
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constexpr std::chrono::milliseconds default_lifetime = 20min;
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/// minimum into lifetime we will advertise
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constexpr std::chrono::milliseconds min_intro_lifetime = default_lifetime / 2;
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/// number of slices of path lifetime to spread intros out via
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constexpr auto intro_spread_slices = 4;
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/// spacing frequency at which we try to build paths for introductions
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constexpr std::chrono::milliseconds intro_path_spread = default_lifetime / intro_spread_slices;
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/// Minimum paths to keep around for intros; mainly used at startup (the
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/// spread, above, should be able to maintain more than this number of paths
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/// normally once things are going).
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constexpr std::size_t min_intro_paths = 4;
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/// after this many ms a path build times out
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constexpr auto build_timeout = 10s;
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/// measure latency every this interval ms
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constexpr auto latency_interval = 20s;
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/// if a path is inactive for this amount of time it's dead
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constexpr auto alive_timeout = latency_interval * 1.5;
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/// how big transit hop traffic queues are
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constexpr std::size_t transit_hop_queue_size = 256;
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} // namespace path
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} // namespace llarp
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