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build client tunnels through confimed routers only if low rate

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orignal 2024-04-22 13:03:59 -04:00
parent c5a1e8cac8
commit 6ce2c30522
2 changed files with 10 additions and 5 deletions
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9
libi2pd/NetDb.cpp
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@ -622,8 +622,8 @@ namespace data
i2p::config::GetOption("limits.zombies", minTunnelCreationSuccessRate);
bool isLowRate = i2p::tunnel::tunnels.GetPreciseTunnelCreationSuccessRate () < minTunnelCreationSuccessRate;
// routers don't expire if less than 90 or uptime is less than 1 hour
bool checkForExpiration = total > NETDB_MIN_ROUTERS && uptime > 600; // 10 minutes
if (checkForExpiration && uptime > 3600) // 1 hour
bool checkForExpiration = total > NETDB_MIN_ROUTERS && uptime > NETDB_CHECK_FOR_EXPIRATION_UPTIME; // 10 minutes
if (checkForExpiration && uptime > i2p::transport::SSU2_TO_INTRODUCER_SESSION_DURATION) // 1 hour
expirationTimeout = i2p::context.IsFloodfill () ? NETDB_FLOODFILL_EXPIRATION_TIMEOUT*1000LL :
NETDB_MIN_EXPIRATION_TIMEOUT*1000LL + (NETDB_MAX_EXPIRATION_TIMEOUT - NETDB_MIN_EXPIRATION_TIMEOUT)*1000LL*NETDB_MIN_ROUTERS/total;
@ -1268,8 +1268,10 @@ namespace data
std::shared_ptr<const RouterInfo> NetDb::GetHighBandwidthRandomRouter (std::shared_ptr<const RouterInfo> compatibleWith,
bool reverse, bool endpoint) const
{
bool checkIsReal = i2p::tunnel::tunnels.GetPreciseTunnelCreationSuccessRate () < NETDB_TUNNEL_CREATION_RATE_THRESHOLD && // too low rate
context.GetUptime () > NETDB_CHECK_FOR_EXPIRATION_UPTIME; // after 10 minutes uptime
return GetRandomRouter (
[compatibleWith, reverse, endpoint](std::shared_ptr<const RouterInfo> router)->bool
[compatibleWith, reverse, endpoint, checkIsReal](std::shared_ptr<const RouterInfo> router)->bool
{
return !router->IsHidden () && router != compatibleWith &&
(reverse ? (compatibleWith->IsReachableFrom (*router) && router->GetCompatibleTransports (true)) :
@ -1277,6 +1279,7 @@ namespace data
(router->GetCaps () & RouterInfo::eHighBandwidth) &&
router->GetVersion () >= NETDB_MIN_HIGHBANDWIDTH_VERSION &&
router->IsECIES () && !router->IsHighCongestion (true) &&
(!checkIsReal || router->GetProfile ()->IsReal ()) &&
(!endpoint || (router->IsV4 () && (!reverse || router->IsPublished (true)))); // endpoint must be ipv4 and published if inbound(reverse)
});

6
libi2pd/NetDb.hpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2023, The PurpleI2P Project
* Copyright (c) 2013-2024, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -38,8 +38,10 @@ namespace data
{
const int NETDB_MIN_ROUTERS = 90;
const int NETDB_MIN_FLOODFILLS = 5;
const int NETDB_NUM_FLOODFILLS_THRESHOLD = 1500;
const int NETDB_NUM_FLOODFILLS_THRESHOLD = 1000;
const int NETDB_NUM_ROUTERS_THRESHOLD = 4*NETDB_NUM_FLOODFILLS_THRESHOLD;
const int NETDB_TUNNEL_CREATION_RATE_THRESHOLD = 10; // in %
const int NETDB_CHECK_FOR_EXPIRATION_UPTIME = 600; // 10 minutes, in seconds
const int NETDB_FLOODFILL_EXPIRATION_TIMEOUT = 60 * 60; // 1 hour, in seconds
const int NETDB_MIN_EXPIRATION_TIMEOUT = 90 * 60; // 1.5 hours
const int NETDB_MAX_EXPIRATION_TIMEOUT = 27 * 60 * 60; // 27 hours