88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
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package notify
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import (
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"context"
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"errors"
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"io"
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)
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type TransferReaderAt interface {
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io.ReaderAt
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Size() int64
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}
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type TransferWriterAt interface {
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io.WriterAt
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}
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type TransferCommitter interface {
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Commit(context.Context) error
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}
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type TransferSyncer interface {
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Sync(context.Context) error
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}
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type TransferCloser interface {
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Close() error
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}
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type TransferDescriptor struct {
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ID string
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Channel TransferChannel
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Size int64
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Checksum string
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Metadata map[string]string
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}
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type TransferSendOptions struct {
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Descriptor TransferDescriptor
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Source TransferReaderAt
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ChunkSize int
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Parallelism int
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MaxInflightBytes int64
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VerifyChecksum bool
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}
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type TransferReceiveOptions struct {
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Descriptor TransferDescriptor
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Sink TransferWriterAt
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SyncOnCheckpoint bool
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VerifyChecksum bool
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}
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type TransferAcceptInfo struct {
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Descriptor TransferDescriptor
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LogicalConn *LogicalConn
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TransportConn *TransportConn
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TransportGeneration uint64
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}
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type TransferHandle interface {
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ID() string
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LogicalConn() *LogicalConn
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TransportConn() *TransportConn
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Snapshot() (TransferSnapshot, bool)
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Wait(context.Context) error
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Abort(context.Context, error) error
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}
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var (
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errTransferIDEmpty = errors.New("transfer id is empty")
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errTransferSourceNil = errors.New("transfer source is nil")
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errTransferSinkNil = errors.New("transfer sink is nil")
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errTransferHandlerNotConfigured = errors.New("transfer handler is not configured")
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errTransferSizeInvalid = errors.New("transfer size must be non-negative")
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errTransferSessionNotFound = errors.New("transfer session not found")
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errTransferSessionExists = errors.New("transfer session already exists")
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errTransferStreamAlreadyActive = errors.New("transfer stream already active")
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errTransferSegmentOffset = errors.New("transfer segment offset mismatch")
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errTransferSizeMismatch = errors.New("transfer size mismatch")
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errTransferChecksumMismatch = errors.New("transfer checksum mismatch")
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errTransferChecksumUnsupported = errors.New("transfer checksum verification requires io.ReaderAt")
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errTransferSequenceEncodeNil = errors.New("transfer sequence encoder is nil")
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errTransferSequenceDecodeNil = errors.New("transfer sequence decoder is nil")
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errTransferAlreadyCompleted = errors.New("transfer already completed")
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errTransferAlreadyAborted = errors.New("transfer already aborted")
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)
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