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p2p/discover: use maxFindnodeFailures constant in ensureBond

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This commit is contained in:
Felix Lange 2019-05-14 08:09:16 -04:00
parent aa470f8905
commit 4bdf1a4b99
2 changed files with 8 additions and 9 deletions
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13
p2p/discover/table.go
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@ -53,13 +53,12 @@ const (
bucketIPLimit, bucketSubnet = 2, 24 // at most 2 addresses from the same /24 bucketIPLimit, bucketSubnet = 2, 24 // at most 2 addresses from the same /24
tableIPLimit, tableSubnet = 10, 24 tableIPLimit, tableSubnet = 10, 24
maxFindnodeFailures = 5 // Nodes exceeding this limit are dropped refreshInterval = 30 * time.Minute
refreshInterval = 30 * time.Minute revalidateInterval = 10 * time.Second
revalidateInterval = 10 * time.Second copyNodesInterval = 30 * time.Second
copyNodesInterval = 30 * time.Second seedMinTableTime = 5 * time.Minute
seedMinTableTime = 5 * time.Minute seedCount = 30
seedCount = 30 seedMaxAge = 5 * 24 * time.Hour
seedMaxAge = 5 * 24 * time.Hour
) )
// Table is the 'node table', a Kademlia-like index of neighbor nodes. The table keeps // Table is the 'node table', a Kademlia-like index of neighbor nodes. The table keeps

4
p2p/discover/v4_udp.go
View file

@ -48,12 +48,12 @@ var (
errClosed = errors.New("socket closed") errClosed = errors.New("socket closed")
) )
// Timeouts
const ( const (
respTimeout = 500 * time.Millisecond respTimeout = 500 * time.Millisecond
expiration = 20 * time.Second expiration = 20 * time.Second
bondExpiration = 24 * time.Hour bondExpiration = 24 * time.Hour
maxFindnodeFailures = 5 // nodes exceeding this limit are dropped
ntpFailureThreshold = 32 // Continuous timeouts after which to check NTP ntpFailureThreshold = 32 // Continuous timeouts after which to check NTP
ntpWarningCooldown = 10 * time.Minute // Minimum amount of time to pass before repeating NTP warning ntpWarningCooldown = 10 * time.Minute // Minimum amount of time to pass before repeating NTP warning
driftThreshold = 10 * time.Second // Allowed clock drift before warning user driftThreshold = 10 * time.Second // Allowed clock drift before warning user
@ -840,7 +840,7 @@ func (t *UDPv4) checkBond(id enode.ID, ip net.IP) bool {
// This ensures there is a valid endpoint proof on the remote end. // This ensures there is a valid endpoint proof on the remote end.
func (t *UDPv4) ensureBond(toid enode.ID, toaddr *net.UDPAddr) { func (t *UDPv4) ensureBond(toid enode.ID, toaddr *net.UDPAddr) {
tooOld := time.Since(t.db.LastPingReceived(toid, toaddr.IP)) > bondExpiration tooOld := time.Since(t.db.LastPingReceived(toid, toaddr.IP)) > bondExpiration
if tooOld || t.db.FindFails(toid, toaddr.IP) > 5 { if tooOld || t.db.FindFails(toid, toaddr.IP) > maxFindnodeFailures {
rm := t.sendPing(toid, toaddr, nil) rm := t.sendPing(toid, toaddr, nil)
<-rm.errc <-rm.errc
// Wait for them to ping back and process our pong. // Wait for them to ping back and process our pong.