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delete expired node from full bucket before find_node

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orignal committed 2026-10-15 21:36:07 -04:00
1 parent 3988b898c4
commit d1341aa961
2 files changed
+14 -3
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libi2pd_client/TorrentsDHT.cpp
+13 -2
View File
@@ -250,12 +250,22 @@ namespace torrents
bucket->nodes.erase (id);
}
std::list<std::pair<NodeID, Bucket * > > RoutingTable::GetExploratoryTargets (std::mt19937& rng) const
std::list<std::pair<NodeID, Bucket * > > RoutingTable::GetExploratoryTargets (std::mt19937& rng, uint64_t ts)
{
std::list<std::pair<NodeID, Bucket * > > ret;
auto bucket = m_Buckets;
while (bucket)
{
if (bucket->IsFull ())
{
// delete one node about to expire
for (auto it = bucket->nodes.begin (); it != bucket->nodes.end (); it++)
if (ts > it->second->lastUpdateTime + DHT_NODE_SEND_PING_TIME)
{
bucket->nodes.erase (it);
break;
}
}
if (!bucket->IsFull () || bucket->IsInBucket (m_OurNode))
ret.emplace_back (std::make_pair (bucket->GetRandomID (rng), bucket));
bucket = bucket->next;
@@ -1017,7 +1027,8 @@ namespace torrents
{
if (m_RoutingTable && m_Tunnel.GetLocalDestination ())
{
auto targets = m_RoutingTable->GetExploratoryTargets (m_Tunnel.GetLocalDestination ()->GetRng ());
auto targets = m_RoutingTable->GetExploratoryTargets (m_Tunnel.GetLocalDestination ()->GetRng (),
i2p::util::GetMonotonicSeconds ());
for (auto [target, bucket]: targets)
{
auto request = std::make_shared<RequestInfo>(nullptr, DHT_MAX_NUM_FIND_NODE_ATTEMPTS);
libi2pd_client/TorrentsDHT.h
+1 -1
View File
@@ -137,7 +137,7 @@ namespace torrents
std::shared_ptr<Node> AddNode (std::shared_ptr<Node> node);
void RemoveNode (const NodeID& id);
std::list<std::pair<NodeID, Bucket * > > GetExploratoryTargets (std::mt19937& rng) const; // (target, node to send find_node to)
std::list<std::pair<NodeID, Bucket * > > GetExploratoryTargets (std::mt19937& rng, uint64_t ts); // (target, node to send find_node to)
size_t DeleteExpiredNodes (uint64_t ts);
std::list<std::shared_ptr<Node> > GetNodesToPing (uint64_t ts);