frostfs-node/pkg/services/object/get/prm.go

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package getsvc
import (
"crypto/ecdsa"
"hash"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
)
// Prm groups parameters of Get service call.
type Prm struct {
commonPrm
}
// RangePrm groups parameters of GetRange service call.
type RangePrm struct {
commonPrm
rng *objectSDK.Range
}
// RangeHashPrm groups parameters of GetRange service call.
type RangeHashPrm struct {
commonPrm
hashGen func() hash.Hash
rngs []*objectSDK.Range
}
type commonPrm struct {
objWriter ObjectWriter
// TODO: replace key and callOpts to CommonPrm
key *ecdsa.PrivateKey
callOpts []client.CallOption
common *util.CommonPrm
client.GetObjectParams
}
// ChunkWriter is an interface of target component
// to write payload chunk.
type ChunkWriter interface {
WriteChunk([]byte) error
}
// ObjectWriter is an interface of target component to write object.
type ObjectWriter interface {
WriteHeader(*object.Object) error
ChunkWriter
}
// SetObjectWriter sets target component to write the object.
func (p *Prm) SetObjectWriter(w ObjectWriter) {
p.objWriter = w
}
// SetPrivateKey sets private key to use during execution.
func (p *commonPrm) SetPrivateKey(key *ecdsa.PrivateKey) {
p.key = key
}
// SetRemoteCallOptions sets call options remote remote client calls.
func (p *commonPrm) SetRemoteCallOptions(opts ...client.CallOption) {
p.callOpts = opts
}
// SetObjectWriter sets target component to write the object payload range.
func (p *RangePrm) SetChunkWriter(w ChunkWriter) {
p.objWriter = &rangeWriter{
chunkWriter: w,
}
}
// SetRange sets range of the requested payload data.
func (p *RangePrm) SetRange(rng *objectSDK.Range) {
p.rng = rng
}
// SetRangeList sets list of object payload ranges.
func (p *RangeHashPrm) SetRangeList(rngs []*objectSDK.Range) {
p.rngs = rngs
}
// SetHashGenerator sets constructor of hashing algorithm.
func (p *RangeHashPrm) SetHashGenerator(v func() hash.Hash) {
p.hashGen = v
}