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37 lines
1020 B
37 lines
1020 B
// 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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