go.ligato.io/vpp-agent/v3@v3.5.0/plugins/orchestrator/contextdecorator/context.go (about)

     1  // Copyright (c) 2020 Pantheon.tech
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at:
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package contextdecorator handles insertions and extractions of orchestrator related data from context.
    16  package contextdecorator
    17  
    18  import "context"
    19  
    20  type dataSrcKeyT string
    21  
    22  var dataSrcKey = dataSrcKeyT("dataSrc")
    23  
    24  func DataSrcContext(ctx context.Context, dataSrc string) context.Context {
    25  	return context.WithValue(ctx, dataSrcKey, dataSrc)
    26  }
    27  
    28  func DataSrcFromContext(ctx context.Context) (dataSrc string, ok bool) {
    29  	dataSrc, ok = ctx.Value(dataSrcKey).(string)
    30  	return
    31  }