mirror of https://github.com/prometheus/prometheus
38 lines
1020 B
Go
38 lines
1020 B
Go
// Copyright 2024 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package prometheusremotewrite
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import "context"
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// everyNTimes supports checking for context error every n times.
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type everyNTimes struct {
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n int
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i int
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err error
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}
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// checkContext calls ctx.Err() every e.n times and returns an eventual error.
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func (e *everyNTimes) checkContext(ctx context.Context) error {
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if e.err != nil {
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return e.err
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}
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e.i++
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if e.i >= e.n {
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e.i = 0
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e.err = ctx.Err()
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}
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return e.err
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}
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