private void CleanupCandidatePeers()
{
if (_peerPool.CandidatePeerCount <= _networkConfig.CandidatePeerCountCleanupThreshold)
{
return;
}
// may further optimize allocations here
List <Peer> candidates = _peerPool.NonStaticCandidatePeers;
int countToRemove = candidates.Count - _networkConfig.MaxCandidatePeerCount;
Peer[] failedValidationCandidates = candidates.Where(x => _stats.HasFailedValidation(x.Node))
.OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
Peer[] otherCandidates = candidates.Except(failedValidationCandidates).Except(_activePeers.Values).OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
Peer[] nodesToRemove = failedValidationCandidates.Length <= countToRemove
? failedValidationCandidates
: failedValidationCandidates.Take(countToRemove).ToArray();
int failedValidationRemovedCount = nodesToRemove.Length;
int remainingCount = countToRemove - failedValidationRemovedCount;
if (remainingCount > 0)
{
Peer[] otherToRemove = otherCandidates.Take(remainingCount).ToArray();
nodesToRemove = nodesToRemove.Length == 0
? otherToRemove :
nodesToRemove.Concat(otherToRemove).ToArray();
}
if (nodesToRemove.Length > 0)
{
_logger.Info($"Removing {nodesToRemove.Length} out of {candidates.Count} peer candidates (candidates cleanup).");
foreach (Peer peer in nodesToRemove)
{
_peerPool.TryRemove(peer.Node.Id, out _);
}
if (_logger.IsDebug)
{
_logger.Debug($"Removing candidate peers: {nodesToRemove.Length}, failedValidationRemovedCount: {failedValidationRemovedCount}, otherRemovedCount: {remainingCount}, prevCount: {candidates.Count}, newCount: {_peerPool.CandidatePeerCount}, CandidatePeerCountCleanupThreshold: {_networkConfig.CandidatePeerCountCleanupThreshold}, MaxCandidatePeerCount: {_networkConfig.MaxCandidatePeerCount}");
}
}
}
private void CleanupCandidatePeers()
{
if (_candidatePeers.Count <= _networkConfig.CandidatePeerCountCleanupThreshold)
{
return;
}
// may further optimize allocations here
var candidates = _candidatePeers.Values.Where(p => !p.Node.IsStatic).ToArray();
var countToRemove = candidates.Length - _networkConfig.MaxCandidatePeerCount;
var failedValidationCandidates = candidates.Where(x => _stats.HasFailedValidation(x.Node))
.OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
var otherCandidates = candidates.Except(failedValidationCandidates).OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
var nodesToRemove = failedValidationCandidates.Take(countToRemove).ToArray();
var failedValidationRemovedCount = nodesToRemove.Length;
var remainingCount = countToRemove - failedValidationRemovedCount;
if (remainingCount > 0)
{
nodesToRemove = nodesToRemove.Concat(otherCandidates.Take(remainingCount).ToArray()).ToArray();
}
if (nodesToRemove.Length > 0)
{
foreach (var peer in nodesToRemove)
{
_candidatePeers.TryRemove(peer.Node.Id, out _);
}
if (_logger.IsDebug)
{
_logger.Debug($"Removing candidate peers: {nodesToRemove.Length}, failedValidationRemovedCount: {failedValidationRemovedCount}, otherRemovedCount: {remainingCount}, prevCount: {candidates.Length}, newCount: {_candidatePeers.Count}, CandidatePeerCountCleanupThreshold: {_networkConfig.CandidatePeerCountCleanupThreshold}, MaxCandidatePeerCount: {_networkConfig.MaxCandidatePeerCount}");
}
}
//_logger.Info($"candidates: \n{string.Join("\n", candidates.Select(x => $"{x.Node.Id}: {x.NodeStats.CurrentNodeReputation}"))}");
//_logger.Info($"nodesToRemove: \n{string.Join("\n", nodesToRemove.Select(x => $"{x.Node.Id}: {x.NodeStats.CurrentNodeReputation}"))}");
}
private void CleanupCandidatePeers()
{
if (_candidatePeers.Count <= _networkConfig.CandidatePeerCountCleanupThreshold)
{
return;
}
// may further optimize allocations here
Peer[] candidates = _candidatePeers.Values.Where(p => !p.Node.IsStatic).ToArray();
int countToRemove = candidates.Length - _networkConfig.MaxCandidatePeerCount;
Peer[] failedValidationCandidates = candidates.Where(x => _stats.HasFailedValidation(x.Node))
.OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
Peer[] otherCandidates = candidates.Except(failedValidationCandidates).OrderBy(x => _stats.GetCurrentReputation(x.Node)).ToArray();
Peer[] nodesToRemove = failedValidationCandidates.Take(countToRemove).ToArray();
int failedValidationRemovedCount = nodesToRemove.Length;
int remainingCount = countToRemove - failedValidationRemovedCount;
if (remainingCount > 0)
{
nodesToRemove = nodesToRemove.Concat(otherCandidates.Take(remainingCount).ToArray()).ToArray();
}
if (nodesToRemove.Length > 0)
{
foreach (Peer peer in nodesToRemove)
{
_candidatePeers.TryRemove(peer.Node.Id, out _);
}
if (_logger.IsDebug)
{
_logger.Debug($"Removing candidate peers: {nodesToRemove.Length}, failedValidationRemovedCount: {failedValidationRemovedCount}, otherRemovedCount: {remainingCount}, prevCount: {candidates.Length}, newCount: {_candidatePeers.Count}, CandidatePeerCountCleanupThreshold: {_networkConfig.CandidatePeerCountCleanupThreshold}, MaxCandidatePeerCount: {_networkConfig.MaxCandidatePeerCount}");
}
}
}
