src

Go monorepo.
git clone git://code.dwrz.net/src
Log | Files | Refs

context.go (1646B)

      1 package context
      2 
      3 import (
      4 	"context"
      5 	"time"
      6 
      7 	"github.com/aws/smithy-go/middleware"
      8 )
      9 
     10 type s3BackendKey struct{}
     11 type checksumInputAlgorithmKey struct{}
     12 type clockSkew struct{}
     13 
     14 const (
     15 	// S3BackendS3Express identifies the S3Express backend
     16 	S3BackendS3Express = "S3Express"
     17 )
     18 
     19 // SetS3Backend stores the resolved endpoint backend within the request
     20 // context, which is required for a variety of custom S3 behaviors.
     21 func SetS3Backend(ctx context.Context, typ string) context.Context {
     22 	return middleware.WithStackValue(ctx, s3BackendKey{}, typ)
     23 }
     24 
     25 // GetS3Backend retrieves the stored endpoint backend within the context.
     26 func GetS3Backend(ctx context.Context) string {
     27 	v, _ := middleware.GetStackValue(ctx, s3BackendKey{}).(string)
     28 	return v
     29 }
     30 
     31 // SetChecksumInputAlgorithm sets the request checksum algorithm on the
     32 // context.
     33 func SetChecksumInputAlgorithm(ctx context.Context, value string) context.Context {
     34 	return middleware.WithStackValue(ctx, checksumInputAlgorithmKey{}, value)
     35 }
     36 
     37 // GetChecksumInputAlgorithm returns the checksum algorithm from the context.
     38 func GetChecksumInputAlgorithm(ctx context.Context) string {
     39 	v, _ := middleware.GetStackValue(ctx, checksumInputAlgorithmKey{}).(string)
     40 	return v
     41 }
     42 
     43 // SetAttemptSkewContext sets the clock skew value on the context
     44 func SetAttemptSkewContext(ctx context.Context, v time.Duration) context.Context {
     45 	return middleware.WithStackValue(ctx, clockSkew{}, v)
     46 }
     47 
     48 // GetAttemptSkewContext gets the clock skew value from the context
     49 func GetAttemptSkewContext(ctx context.Context) time.Duration {
     50 	x, _ := middleware.GetStackValue(ctx, clockSkew{}).(time.Duration)
     51 	return x
     52 }