Function ToLoadReport

orca/internal/internal.go:58–71

ToLoadReport unmarshals a binary encoded [ORCA LoadReport] protobuf message from md and returns the corresponding struct. The load report is expected to be stored as the value for key "endpoint-load-metrics-bin". If no load report was found in the provided metadata, if multiple load reports are fou

(md metadata.MD)

//
// [ORCA LoadReport]: (https://github.com/cncf/xds/blob/main/xds/data/orca/v3/orca_load_report.proto#L15)
func ToLoadReport(md metadata.MD) (*v3orcapb.OrcaLoadReport, error) {
	vs := md.Get(TrailerMetadataKey)
	if len(vs) == 0 {
		return nil, nil
	}
	if len(vs) != 1 {
		return nil, errors.New("multiple orca load reports found in provided metadata")
	}
	ret := new(v3orcapb.OrcaLoadReport)
	if err := proto.Unmarshal([]byte(vs[0]), ret); err != nil {
		return nil, fmt.Errorf("failed to unmarshal load report found in metadata: %v", err)
	}
	return ret, nil
}