rclone/vendor/github.com/Azure/azure-storage-blob-go/azblob/zc_pipeline.go
2018-10-25 17:06:33 +01:00

42 lines
1.5 KiB
Go

package azblob
import (
"github.com/Azure/azure-pipeline-go/pipeline"
)
// PipelineOptions is used to configure a request policy pipeline's retry policy and logging.
type PipelineOptions struct {
// Log configures the pipeline's logging infrastructure indicating what information is logged and where.
Log pipeline.LogOptions
// Retry configures the built-in retry policy behavior.
Retry RetryOptions
// RequestLog configures the built-in request logging policy.
RequestLog RequestLogOptions
// Telemetry configures the built-in telemetry policy behavior.
Telemetry TelemetryOptions
}
// NewPipeline creates a Pipeline using the specified credentials and options.
func NewPipeline(c Credential, o PipelineOptions) pipeline.Pipeline {
// Closest to API goes first; closest to the wire goes last
f := []pipeline.Factory{
NewTelemetryPolicyFactory(o.Telemetry),
NewUniqueRequestIDPolicyFactory(),
NewRetryPolicyFactory(o.Retry),
}
if _, ok := c.(*anonymousCredentialPolicyFactory); !ok {
// For AnonymousCredential, we optimize out the policy factory since it doesn't do anything
// NOTE: The credential's policy factory must appear close to the wire so it can sign any
// changes made by other factories (like UniqueRequestIDPolicyFactory)
f = append(f, c)
}
f = append(f,
pipeline.MethodFactoryMarker(), // indicates at what stage in the pipeline the method factory is invoked
NewRequestLogPolicyFactory(o.RequestLog))
return pipeline.NewPipeline(f, pipeline.Options{HTTPSender: nil, Log: o.Log})
}