mirror of https://github.com/tikv/pd.git
52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
// Copyright 2022 TiKV Project Authors.
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//
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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 requestutil
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import (
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"context"
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)
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// The key type is unexported to prevent collisions
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type key int
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const (
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// requestInfoKey is the context key for the request info.
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requestInfoKey key = iota
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// endTimeKey is the context key for the end time.
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endTimeKey
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)
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// WithRequestInfo returns a copy of parent in which the request info value is set
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func WithRequestInfo(parent context.Context, requestInfo RequestInfo) context.Context {
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return context.WithValue(parent, requestInfoKey, requestInfo)
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}
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// RequestInfoFrom returns the value of the request info key on the ctx
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func RequestInfoFrom(ctx context.Context) (RequestInfo, bool) {
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requestInfo, ok := ctx.Value(requestInfoKey).(RequestInfo)
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return requestInfo, ok
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}
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// WithEndTime returns a copy of parent in which the end time value is set
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func WithEndTime(parent context.Context, endTime int64) context.Context {
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return context.WithValue(parent, endTimeKey, endTime)
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}
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// EndTimeFrom returns the value of the execution info key on the ctx
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func EndTimeFrom(ctx context.Context) (int64, bool) {
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info, ok := ctx.Value(endTimeKey).(int64)
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return info, ok
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}
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