miracle091/dnscrypt-proxy
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Code Issues Releases Wiki Activity

Remove the serverInfo rwlock; just use the global serversInfo rwlock

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This commit is contained in:
Frank Denis 2019-10-26 17:28:24 +02:00
parent d17b572b75
commit 4824e91d46
1 changed files with 8 additions and 9 deletions
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17
dnscrypt-proxy/serversInfo.go
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@ -32,7 +32,6 @@ type RegisteredServer struct {
}
type ServerInfo struct {
sync.RWMutex
Proto stamps.StampProtoType
MagicQuery [8]byte
ServerPk [32]byte
@ -158,6 +157,7 @@ func (serversInfo *ServersInfo) refresh(proxy *Proxy) (int, error) {
}
func (serversInfo *ServersInfo) estimatorUpdate() {
// serversInfo.RWMutex is assumed to be Locked
candidate := rand.Intn(len(serversInfo.inner))
if candidate == 0 {
return
@ -191,9 +191,9 @@ func (serversInfo *ServersInfo) estimatorUpdate() {
func (serversInfo *ServersInfo) getOne() *ServerInfo {
serversInfo.Lock()
defer serversInfo.Unlock()
serversCount := len(serversInfo.inner)
if serversCount <= 0 {
serversInfo.Unlock()
return nil
}
if serversInfo.lbEstimator {
@ -211,7 +211,6 @@ func (serversInfo *ServersInfo) getOne() *ServerInfo {
candidate = rand.Intn(Min(serversCount, 2))
}
serverInfo := serversInfo.inner[candidate]
serversInfo.Unlock()
dlog.Debugf("Using candidate [%s] RTT: %d", (*serverInfo).Name, int((*serverInfo).rtt.Value()))
return serverInfo
@ -415,24 +414,24 @@ func fetchDoHServerInfo(proxy *Proxy, name string, stamp stamps.ServerStamp, isN
}
func (serverInfo *ServerInfo) noticeFailure(proxy *Proxy) {
serverInfo.Lock()
proxy.serversInfo.Lock()
serverInfo.rtt.Add(float64(proxy.timeout.Nanoseconds() / 1000000))
serverInfo.Unlock()
proxy.serversInfo.Unlock()
}
func (serverInfo *ServerInfo) noticeBegin(proxy *Proxy) {
serverInfo.Lock()
proxy.serversInfo.Lock()
serverInfo.lastActionTS = time.Now()
serverInfo.Unlock()
proxy.serversInfo.Unlock()
}
func (serverInfo *ServerInfo) noticeSuccess(proxy *Proxy) {
now := time.Now()
serverInfo.Lock()
proxy.serversInfo.Lock()
elapsed := now.Sub(serverInfo.lastActionTS)
elapsedMs := elapsed.Nanoseconds() / 1000000
if elapsedMs > 0 && elapsed < proxy.timeout {
serverInfo.rtt.Add(float64(elapsedMs))
}
serverInfo.Unlock()
proxy.serversInfo.Unlock()
}