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ctx.go
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ctx.go
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/*
* Copyright 2021 CloudWeGo Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package rpcinfo
import (
"context"
"github.com/cloudwego/kitex/internal"
)
type ctxRPCInfoKeyType struct{}
var ctxRPCInfoKey ctxRPCInfoKeyType
// NewCtxWithRPCInfo creates a new context with the RPCInfo given.
func NewCtxWithRPCInfo(ctx context.Context, ri RPCInfo) context.Context {
if ri != nil {
return context.WithValue(ctx, ctxRPCInfoKey, ri)
}
return ctx
}
// GetRPCInfo gets RPCInfo from ctx.
// Returns nil if not found.
func GetRPCInfo(ctx context.Context) RPCInfo {
if ri, ok := ctx.Value(ctxRPCInfoKey).(RPCInfo); ok {
return ri
}
return nil
}
// PutRPCInfo recycles the RPCInfo. This function is for internal use only.
func PutRPCInfo(ri RPCInfo) {
if v, ok := ri.(internal.Reusable); ok {
v.Recycle()
}
}