Make startup *way* faster, especially when using DoH

This commit is contained in:
Frank Denis 2019-03-14 01:59:57 +01:00
parent b624f8ef58
commit 26cc68b748
1 changed files with 11 additions and 2 deletions

View File

@ -84,8 +84,7 @@ func (serversInfo *ServersInfo) registerServer(proxy *Proxy, name string, stamp
}
func (serversInfo *ServersInfo) refreshServer(proxy *Proxy, name string, stamp stamps.ServerStamp) error {
serversInfo.Lock()
defer serversInfo.Unlock()
serversInfo.RLock()
previousIndex := -1
for i, oldServer := range serversInfo.inner {
if oldServer.Name == name {
@ -93,6 +92,7 @@ func (serversInfo *ServersInfo) refreshServer(proxy *Proxy, name string, stamp s
break
}
}
serversInfo.RUnlock()
newServer, err := serversInfo.fetchServerInfo(proxy, name, stamp, previousIndex < 0)
if err != nil {
return err
@ -101,6 +101,15 @@ func (serversInfo *ServersInfo) refreshServer(proxy *Proxy, name string, stamp s
dlog.Fatalf("[%s] != [%s]", name, newServer.Name)
}
newServer.rtt = ewma.NewMovingAverage(RTTEwmaDecay)
serversInfo.Lock()
defer serversInfo.Unlock()
previousIndex = -1
for i, oldServer := range serversInfo.inner {
if oldServer.Name == name {
previousIndex = i
break
}
}
if previousIndex >= 0 {
serversInfo.inner[previousIndex] = &newServer
return nil