/*
 *     Copyright 2020 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.
 */
//go:generate mockgen -destination ./mock/mock_task_mgr.go -package mock d7y.io/dragonfly/v2/cdn/supervisor SeedTaskMgr

package supervisor

import (
	"context"

	"d7y.io/dragonfly/v2/cdn/types"
)

// SeedTaskMgr as an interface defines all operations against SeedTask.
// A SeedTask will store some meta info about the taskFile, pieces and something else.
// A seedTask corresponds to three files on the disk, which are identified by taskId, the data file meta file piece file
type SeedTaskMgr interface {

	// Register register seed task
	Register(context.Context, *types.SeedTask) (pieceCh <-chan *types.SeedPiece, err error)

	// Get get task Info with specified taskId.
	Get(string) (*types.SeedTask, error)

	// Exist check task existence with specified taskId.
	Exist(string) (*types.SeedTask, bool)

	// Delete delete a task.
	Delete(string) error

	// GetPieces
	GetPieces(context.Context, string) (pieces []*types.SeedPiece, err error)
}