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reduce expiration time for low bandwidth and far routers

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orignal 2023-10-30 20:02:48 -04:00
parent 69b0bef206
commit 575268d360
2 changed files with 10 additions and 2 deletions
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11
libi2pd/NetDb.cpp
View File

@ -654,13 +654,20 @@ namespace data
// find & mark expired routers
if (!it.second->GetCompatibleTransports (true)) // non reachable by any transport
it.second->SetUnreachable (true);
else if (checkForExpiration && ts > it.second->GetTimestamp () + expirationTimeout)
it.second->SetUnreachable (true);
else if (ts + NETDB_EXPIRATION_TIMEOUT_THRESHOLD*1000LL < it.second->GetTimestamp ())
{
LogPrint (eLogWarning, "NetDb: RouterInfo is from future for ", (it.second->GetTimestamp () - ts)/1000LL, " seconds");
it.second->SetUnreachable (true);
}
else if (checkForExpiration)
{
uint64_t t = expirationTimeout;
if (total > NETDB_NUM_ROUTERS_THRESHOLD && !it.second->IsHighBandwidth () && // low bandwidth router
((it.second->GetIdentHash()[0] & 0xFE) != (i2p::context.GetIdentHash ()[0] & 0xFE))) // different first 7 bits
t >>= 1; // reduce expiration time by 2 times
if (ts > it.second->GetTimestamp () + t)
it.second->SetUnreachable (true);
}
if (it.second->IsUnreachable () && i2p::transport::transports.IsConnected (it.second->GetIdentHash ()))
it.second->SetUnreachable (false); // don't expire connected router
}

1
libi2pd/NetDb.hpp
View File

@ -39,6 +39,7 @@ 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_ROUTERS_THRESHOLD = 4*NETDB_NUM_FLOODFILLS_THRESHOLD;
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