downloader

Documentation

Index

• type Downloader
  • func NewDownloaderService(cfg *DownloaderConfig) (*Downloader, error)
  • func (downloader *Downloader) DownloadPieceInfo(objectID, objectSize, start, end uint64) (pieceInfo segments, err error)
  • func (downloader *Downloader) GetBucketReadQuota(ctx context.Context, req *types.GetBucketReadQuotaRequest) (*types.GetBucketReadQuotaResponse, error)
  • func (downloader *Downloader) GetObject(req *types.GetObjectRequest, stream types.DownloaderService_GetObjectServer) (err error)
  • func (downloader *Downloader) ListBucketReadRecord(ctx context.Context, req *types.ListBucketReadRecordRequest) (*types.ListBucketReadRecordResponse, error)
  • func (downloader *Downloader) Name() string
  • func (downloader *Downloader) Start(ctx context.Context) error
  • func (downloader *Downloader) Stop(ctx context.Context) error
• type DownloaderConfig

Types

type Downloader

type Downloader struct {
	// contains filtered or unexported fields
}

Downloader implements the gRPC of DownloaderService, responsible for downloading object payload data

func NewDownloaderService

func NewDownloaderService(cfg *DownloaderConfig) (*Downloader, error)

NewDownloaderService returns an instance of Downloader that implementation of the lifecycle.Service and DownloaderService interface

func (*Downloader) DownloadPieceInfo

func (downloader *Downloader) DownloadPieceInfo(objectID, objectSize, start, end uint64) (pieceInfo segments, err error)

DownloadPieceInfo compute the piece store info for download. download interval [start, end]

func (*Downloader) GetBucketReadQuota

func (downloader *Downloader) GetBucketReadQuota(ctx context.Context, req *types.GetBucketReadQuotaRequest) (*types.GetBucketReadQuotaResponse, error)

GetBucketReadQuota get the quota info of the specified month.

func (*Downloader) GetObject

func (downloader *Downloader) GetObject(req *types.GetObjectRequest,
	stream types.DownloaderService_GetObjectServer) (err error)

GetObject downloads the payload of the object.

func (*Downloader) ListBucketReadRecord

func (downloader *Downloader) ListBucketReadRecord(ctx context.Context, req *types.ListBucketReadRecordRequest) (*types.ListBucketReadRecordResponse, error)

ListBucketReadRecord get read record list of the specified time range.

func (*Downloader) Name

func (downloader *Downloader) Name() string

Name return the downloader service name, for the lifecycle management

func (*Downloader) Start

func (downloader *Downloader) Start(ctx context.Context) error

Start the downloader gRPC service

func (*Downloader) Stop

func (downloader *Downloader) Stop(ctx context.Context) error

Stop the downloader gRPC service and recycle the resources

type DownloaderConfig

type DownloaderConfig struct {
	GRPCAddress      string
	SpDBConfig       *config.SQLDBConfig
	PieceStoreConfig *storage.PieceStoreConfig
}

DownloaderConfig defines downloader service config