Merge pull request #16228 from karalabe/faucet-background-skip

cmd/faucet: update state in background, skip when busy
This commit is contained in:
Péter Szilágyi 2018-03-02 12:13:19 +02:00 committed by GitHub
commit 49bcb5fbd5
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@ -533,9 +533,11 @@ func (f *faucet) loop() {
}
defer sub.Unsubscribe()
for {
select {
case head := <-heads:
// Start a goroutine to update the state from head notifications in the background
update := make(chan *types.Header)
go func() {
for head := range update {
// New chain head arrived, query the current stats and stream to clients
var (
balance *big.Int
@ -588,6 +590,17 @@ func (f *faucet) loop() {
}
}
f.lock.RUnlock()
}
}()
// Wait for various events and assing to the appropriate background threads
for {
select {
case head := <-heads:
// New head arrived, send if for state update if there's none running
select {
case update <- head:
default:
}
case <-f.update:
// Pending requests updated, stream to clients