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httpclient: do not close the out channel

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This commit is contained in:
Anton Kaliaev
2019-02-11 16:04:20 +04:00
parent 1a6eb2ef00
commit 647f68ee6e
1 changed files with 2 additions and 8 deletions
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10
rpc/client/httpclient.go
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@ -325,9 +325,8 @@ func (w *WSEvents) Unsubscribe(ctx context.Context, subscriber, query string) er
}
w.mtx.Lock()
out, ok := w.subscriptions[query]
_, ok := w.subscriptions[query]
if ok {
close(out)
delete(w.subscriptions, query)
}
w.mtx.Unlock()
@ -343,9 +342,6 @@ func (w *WSEvents) UnsubscribeAll(ctx context.Context, subscriber string) error
}
w.mtx.Lock()
for _, out := range w.subscriptions {
close(out)
}
w.subscriptions = make(map[string]chan ctypes.ResultEvent)
w.mtx.Unlock()
@ -389,8 +385,6 @@ func (w *WSEvents) eventListener() {
continue
}
// NOTE: writing also happens inside mutex so we can't close a channel in
// Unsubscribe/UnsubscribeAll.
w.mtx.RLock()
if out, ok := w.subscriptions[result.Query]; ok {
if cap(out) == 0 {
@ -399,7 +393,7 @@ func (w *WSEvents) eventListener() {
select {
case out <- *result:
default:
w.Logger.Error("wanted to publish ResultEvent, but out channel is full", "ResultEvent", result, "query", result.Query)
w.Logger.Error("wanted to publish ResultEvent, but out channel is full", "result", result, "query", result.Query)
}
}
}