dragonfly/scheduler/resource/piece.go

51 lines
1.3 KiB
Go

/*
* Copyright 2022 The Dragonfly 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 resource
import (
"time"
commonv2 "d7y.io/api/pkg/apis/common/v2"
"d7y.io/dragonfly/v2/pkg/digest"
)
// IsPieceBackToSource returns whether the piece is downloaded back-to-source.
func IsPieceBackToSource(parentID string) bool {
return parentID == ""
}
// Piece represents information of piece.
type Piece struct {
// Piece number.
Number int32
// Parent peer id.
ParentID string
// Piece offset.
Offset uint64
// Piece length.
Length uint64
// Digest of the piece data.
Digest *digest.Digest
// Traffic type.
TrafficType commonv2.TrafficType
// Downloading piece costs time.
Cost time.Duration
// Piece create time.
CreatedAt time.Time
}