forked from TrueCloudLab/frostfs-node
471 lines
12 KiB
Go
471 lines
12 KiB
Go
package object
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import (
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"bytes"
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"context"
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"github.com/multiformats/go-multiaddr"
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"github.com/nspcc-dev/neofs-api-go/container"
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"github.com/nspcc-dev/neofs-api-go/hash"
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"github.com/nspcc-dev/neofs-api-go/object"
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"github.com/nspcc-dev/neofs-api-go/service"
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"github.com/nspcc-dev/neofs-node/internal"
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"github.com/nspcc-dev/neofs-node/lib/core"
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"github.com/nspcc-dev/neofs-node/lib/implementations"
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"github.com/nspcc-dev/neofs-node/lib/localstore"
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"github.com/nspcc-dev/neofs-node/lib/placement"
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"github.com/nspcc-dev/neofs-node/lib/transport"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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)
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type (
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operationExecutor interface {
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executeOperation(context.Context, transport.MetaInfo, responseItemHandler) error
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}
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coreOperationExecutor struct {
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pre executionParamsComputer
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fin operationFinalizer
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loc operationExecutor
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}
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operationFinalizer interface {
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completeExecution(context.Context, operationParams) error
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}
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computableParams struct {
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addr Address
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stopCount int
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allowPartialResult bool
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tryPreviousNetMap bool
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selfForward bool
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maxRecycleCount int
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reqType object.RequestType
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}
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responseItemHandler interface {
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handleItem(interface{})
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}
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operationParams struct {
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computableParams
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metaInfo transport.MetaInfo
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itemHandler responseItemHandler
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}
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coreOperationFinalizer struct {
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curPlacementBuilder placementBuilder
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prevPlacementBuilder placementBuilder
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interceptorPreparer interceptorPreparer
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workerPool WorkerPool
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traverseExec implementations.ContainerTraverseExecutor
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resLogger resultLogger
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log *zap.Logger
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}
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localFullObjectReceiver interface {
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getObject(context.Context, Address) (*Object, error)
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}
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localHeadReceiver interface {
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headObject(context.Context, Address) (*Object, error)
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}
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localObjectStorer interface {
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putObject(context.Context, *Object) error
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}
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localQueryImposer interface {
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imposeQuery(context.Context, CID, []byte, int) ([]Address, error)
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}
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localRangeReader interface {
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getRange(context.Context, Address, Range) ([]byte, error)
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}
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localRangeHasher interface {
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getHashes(context.Context, Address, []Range, []byte) ([]Hash, error)
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}
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localStoreExecutor struct {
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salitor Salitor
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epochRecv EpochReceiver
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localStore localstore.Localstore
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}
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localOperationExecutor struct {
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objRecv localFullObjectReceiver
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headRecv localHeadReceiver
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objStore localObjectStorer
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queryImp localQueryImposer
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rngReader localRangeReader
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rngHasher localRangeHasher
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}
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coreHandler struct {
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traverser containerTraverser
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itemHandler responseItemHandler
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resLogger resultLogger
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reqType object.RequestType
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}
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executionParamsComputer interface {
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computeParams(*computableParams, transport.MetaInfo)
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}
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coreExecParamsComp struct{}
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resultTracker interface {
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trackResult(context.Context, resultItems)
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}
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interceptorPreparer interface {
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prepareInterceptor(interceptorItems) (func(context.Context, multiaddr.Multiaddr) bool, error)
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}
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interceptorItems struct {
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selfForward bool
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handler transport.ResultHandler
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metaInfo transport.MetaInfo
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itemHandler responseItemHandler
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}
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coreInterceptorPreparer struct {
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localExec operationExecutor
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addressStore implementations.AddressStore
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}
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resultItems struct {
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requestType object.RequestType
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node multiaddr.Multiaddr
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satisfactory bool
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}
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idleResultTracker struct {
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}
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resultLogger interface {
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logErr(object.RequestType, multiaddr.Multiaddr, error)
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}
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coreResultLogger struct {
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mLog map[object.RequestType]struct{}
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log *zap.Logger
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}
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)
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const (
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errIncompleteOperation = internal.Error("operation is not completed")
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emRangeReadFail = "could not read %d range data"
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)
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var (
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_ resultTracker = (*idleResultTracker)(nil)
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_ executionParamsComputer = (*coreExecParamsComp)(nil)
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_ operationFinalizer = (*coreOperationFinalizer)(nil)
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_ operationExecutor = (*localOperationExecutor)(nil)
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_ operationExecutor = (*coreOperationExecutor)(nil)
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_ transport.ResultHandler = (*coreHandler)(nil)
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_ localFullObjectReceiver = (*localStoreExecutor)(nil)
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_ localHeadReceiver = (*localStoreExecutor)(nil)
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_ localObjectStorer = (*localStoreExecutor)(nil)
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_ localRangeReader = (*localStoreExecutor)(nil)
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_ localRangeHasher = (*localStoreExecutor)(nil)
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_ resultLogger = (*coreResultLogger)(nil)
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)
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func (s *coreExecParamsComp) computeParams(p *computableParams, req transport.MetaInfo) {
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switch p.reqType = req.Type(); p.reqType {
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case object.RequestPut:
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if req.GetTTL() < service.NonForwardingTTL {
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p.stopCount = 1
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} else {
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p.stopCount = int(req.(transport.PutInfo).CopiesNumber())
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}
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p.allowPartialResult = false
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p.tryPreviousNetMap = false
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p.selfForward = false
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p.addr = *req.(transport.PutInfo).GetHead().Address()
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p.maxRecycleCount = 0
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case object.RequestGet:
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p.stopCount = 1
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p.allowPartialResult = false
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p.tryPreviousNetMap = true
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p.selfForward = false
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p.addr = req.(transport.AddressInfo).GetAddress()
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p.maxRecycleCount = 0
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case object.RequestHead:
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p.stopCount = 1
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p.allowPartialResult = false
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p.tryPreviousNetMap = true
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p.selfForward = false
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p.addr = req.(transport.AddressInfo).GetAddress()
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p.maxRecycleCount = 0
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case object.RequestSearch:
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p.stopCount = -1 // to traverse all possible nodes in current and prev container
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p.allowPartialResult = true
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p.tryPreviousNetMap = true
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p.selfForward = false
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p.addr = Address{CID: req.(transport.SearchInfo).GetCID()}
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p.maxRecycleCount = 0
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case object.RequestRange:
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p.stopCount = 1
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p.allowPartialResult = false
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p.tryPreviousNetMap = false
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p.selfForward = false
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p.addr = req.(transport.AddressInfo).GetAddress()
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p.maxRecycleCount = 0
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case object.RequestRangeHash:
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p.stopCount = 1
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p.allowPartialResult = false
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p.tryPreviousNetMap = false
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p.selfForward = false
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p.addr = req.(transport.AddressInfo).GetAddress()
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p.maxRecycleCount = 0
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}
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}
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func (s idleResultTracker) trackResult(context.Context, resultItems) {}
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func (s *coreOperationExecutor) executeOperation(ctx context.Context, req transport.MetaInfo, h responseItemHandler) error {
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// if TTL is zero then execute local operation
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if req.GetTTL() < service.NonForwardingTTL {
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return s.loc.executeOperation(ctx, req, h)
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}
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p := new(computableParams)
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s.pre.computeParams(p, req)
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return s.fin.completeExecution(ctx, operationParams{
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computableParams: *p,
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metaInfo: req,
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itemHandler: h,
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})
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}
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func (s *coreOperationFinalizer) completeExecution(ctx context.Context, p operationParams) error {
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traverser := newContainerTraverser(&traverseParams{
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tryPrevNM: p.tryPreviousNetMap,
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addr: p.addr,
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curPlacementBuilder: s.curPlacementBuilder,
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prevPlacementBuilder: s.prevPlacementBuilder,
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maxRecycleCount: p.maxRecycleCount,
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stopCount: p.stopCount,
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})
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handler := &coreHandler{
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traverser: traverser,
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itemHandler: p.itemHandler,
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resLogger: s.resLogger,
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reqType: p.reqType,
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}
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interceptor, err := s.interceptorPreparer.prepareInterceptor(interceptorItems{
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selfForward: p.selfForward,
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handler: handler,
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metaInfo: p.metaInfo,
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itemHandler: p.itemHandler,
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})
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if err != nil {
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return err
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}
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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s.traverseExec.Execute(ctx, implementations.TraverseParams{
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TransportInfo: p.metaInfo,
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Handler: handler,
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Traverser: traverser,
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WorkerPool: s.workerPool,
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ExecutionInterceptor: interceptor,
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})
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switch err := errors.Cause(traverser.Err()); err {
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case container.ErrNotFound:
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return &detailedError{
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error: errContainerNotFound,
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d: containerDetails(p.addr.CID, descContainerNotFound),
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}
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case placement.ErrEmptyNodes:
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if !p.allowPartialResult {
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return errIncompleteOperation
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}
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return nil
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default:
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if err != nil {
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s.log.Error("traverse failure",
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zap.String("error", err.Error()),
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)
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err = errPlacementProblem
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} else if !p.allowPartialResult && !traverser.finished() {
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err = errIncompleteOperation
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}
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return err
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}
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}
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func (s *coreInterceptorPreparer) prepareInterceptor(p interceptorItems) (func(context.Context, multiaddr.Multiaddr) bool, error) {
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selfAddr, err := s.addressStore.SelfAddr()
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if err != nil {
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return nil, err
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}
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return func(ctx context.Context, node multiaddr.Multiaddr) (res bool) {
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if node.Equal(selfAddr) {
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p.handler.HandleResult(ctx, selfAddr, nil,
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s.localExec.executeOperation(ctx, p.metaInfo, p.itemHandler))
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return !p.selfForward
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}
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return false
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}, nil
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}
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func (s *coreHandler) HandleResult(ctx context.Context, n multiaddr.Multiaddr, r interface{}, e error) {
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ok := e == nil
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s.traverser.add(n, ok)
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if ok && r != nil {
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s.itemHandler.handleItem(r)
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}
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s.resLogger.logErr(s.reqType, n, e)
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}
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func (s *coreResultLogger) logErr(t object.RequestType, n multiaddr.Multiaddr, e error) {
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if e == nil {
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return
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} else if _, ok := s.mLog[t]; !ok {
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return
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}
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s.log.Error("object request failure",
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zap.Stringer("type", t),
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zap.Stringer("node", n),
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zap.String("error", e.Error()),
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)
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}
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func (s *localOperationExecutor) executeOperation(ctx context.Context, req transport.MetaInfo, h responseItemHandler) error {
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switch req.Type() {
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case object.RequestPut:
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obj := req.(transport.PutInfo).GetHead()
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if err := s.objStore.putObject(ctx, obj); err != nil {
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return err
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}
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h.handleItem(obj.Address())
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case object.RequestGet:
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obj, err := s.objRecv.getObject(ctx, req.(transport.AddressInfo).GetAddress())
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if err != nil {
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return err
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}
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h.handleItem(obj)
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case object.RequestHead:
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head, err := s.headRecv.headObject(ctx, req.(transport.AddressInfo).GetAddress())
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if err != nil {
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return err
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}
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h.handleItem(head)
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case object.RequestSearch:
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r := req.(transport.SearchInfo)
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addrList, err := s.queryImp.imposeQuery(ctx, r.GetCID(), r.GetQuery(), 1) // TODO: add query version to SearchInfo
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if err != nil {
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return err
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}
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h.handleItem(addrList)
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case object.RequestRange:
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r := req.(transport.RangeInfo)
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rangesData, err := s.rngReader.getRange(ctx, r.GetAddress(), r.GetRange())
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if err != nil {
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return err
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}
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h.handleItem(bytes.NewReader(rangesData))
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case object.RequestRangeHash:
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r := req.(transport.RangeHashInfo)
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rangesHashes, err := s.rngHasher.getHashes(ctx, r.GetAddress(), r.GetRanges(), r.GetSalt())
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if err != nil {
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return err
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}
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h.handleItem(rangesHashes)
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default:
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return errors.Errorf(pmWrongRequestType, req)
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}
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return nil
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}
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func (s *localStoreExecutor) getHashes(ctx context.Context, addr Address, ranges []Range, salt []byte) ([]Hash, error) {
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res := make([]Hash, 0, len(ranges))
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for i := range ranges {
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chunk, err := s.localStore.PRead(ctx, addr, ranges[i])
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if err != nil {
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return nil, errors.Wrapf(err, emRangeReadFail, i+1)
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}
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res = append(res, hash.Sum(s.salitor(chunk, salt)))
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}
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return res, nil
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}
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func (s *localStoreExecutor) getRange(ctx context.Context, addr Address, r Range) ([]byte, error) {
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return s.localStore.PRead(ctx, addr, r)
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}
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func (s *localStoreExecutor) putObject(ctx context.Context, obj *Object) error {
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ctx = context.WithValue(ctx, localstore.StoreEpochValue, s.epochRecv.Epoch())
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switch err := s.localStore.Put(ctx, obj); err {
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// TODO: add all error cases
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case nil:
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return nil
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default:
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return errPutLocal
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}
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}
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func (s *localStoreExecutor) headObject(_ context.Context, addr Address) (*Object, error) {
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m, err := s.localStore.Meta(addr)
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if err != nil {
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switch errors.Cause(err) {
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case core.ErrNotFound:
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return nil, errIncompleteOperation
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default:
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return nil, err
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}
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}
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return m.Object, nil
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}
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func (s *localStoreExecutor) getObject(_ context.Context, addr Address) (*Object, error) {
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obj, err := s.localStore.Get(addr)
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if err != nil {
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switch errors.Cause(err) {
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case core.ErrNotFound:
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return nil, errIncompleteOperation
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default:
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return nil, err
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}
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}
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return obj, nil
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}
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