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fix: concurrent map access

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This commit is contained in:
tiancheng91 2023-01-17 20:01:34 +08:00
parent a9e7fee369
commit 164601cfd2
1 changed files with 5 additions and 3 deletions
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8
selector.go
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@ -242,11 +242,12 @@ func (f *FastestFilter) Filter(nodes []Node) []Node {
now := time.Now().Unix()
var getNodeLatency = func(node Node) int {
if f.pingResultTTL[node.ID] < now {
f.mu.Lock()
f.pingResultTTL[node.ID] = now + 5 // tmp
defer f.mu.Unlock()
if f.pingResultTTL[node.ID] < now {
f.pingResultTTL[node.ID] = now + 5 // tmp
// get latency
go func(node Node) {
latency := f.doTcpPing(node.Addr)
@ -254,9 +255,10 @@ func (f *FastestFilter) Filter(nodes []Node) []Node {
ttl := 300 - int64(120*r.Float64())
f.mu.Lock()
defer f.mu.Unlock()
f.pingResult[node.ID] = latency
f.pingResultTTL[node.ID] = now + ttl
defer f.mu.Unlock()
}(node)
}
return f.pingResult[node.ID]