forked from TrueCloudLab/frostfs-node
68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package getsvc
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import (
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"context"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"go.uber.org/zap"
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)
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// Get serves a request to get an object by address, and returns Streamer instance.
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func (s *Service) Get(ctx context.Context, prm Prm) error {
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return s.get(ctx, RangePrm{
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commonPrm: prm.commonPrm,
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}).err
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}
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// GetRange serves a request to get an object by address, and returns Streamer instance.
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func (s *Service) GetRange(ctx context.Context, prm RangePrm) error {
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return s.get(ctx, prm).err
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}
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func (s *Service) get(ctx context.Context, prm RangePrm) statusError {
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exec := &execCtx{
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svc: s,
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ctx: ctx,
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prm: prm,
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infoSplit: objectSDK.NewSplitInfo(),
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}
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exec.setLogger(s.log)
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exec.execute()
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return exec.statusError
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}
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func (exec *execCtx) execute() {
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exec.log.Debug("serving request...")
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// perform local operation
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exec.executeLocal()
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exec.analyzeStatus(true)
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}
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func (exec *execCtx) analyzeStatus(execCnr bool) {
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// analyze local result
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switch exec.status {
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case statusOK:
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exec.log.Debug("operation finished successfully")
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case statusINHUMED:
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exec.log.Debug("requested object was marked as removed")
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case statusVIRTUAL:
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exec.log.Debug("requested object is virtual")
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exec.assemble()
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case statusOutOfRange:
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exec.log.Debug("requested range is out of object bounds")
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default:
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exec.log.Debug("operation finished with error",
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zap.String("error", exec.err.Error()),
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)
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if execCnr {
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exec.executeOnContainer()
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exec.analyzeStatus(false)
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}
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}
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}
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