110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
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package searchsvc
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import (
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"crypto/ecdsa"
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"sync"
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"github.com/nspcc-dev/neofs-api-go/pkg/client"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
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"github.com/nspcc-dev/neofs-node/pkg/network/cache"
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"github.com/nspcc-dev/neofs-node/pkg/services/object/util"
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"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
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)
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type uniqueIDWriter struct {
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mtx sync.Mutex
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written map[string]struct{}
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writer IDListWriter
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}
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type clientCacheWrapper struct {
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cache *cache.ClientCache
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opts []client.Option
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}
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type clientWrapper struct {
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client *client.Client
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}
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type storageEngineWrapper engine.StorageEngine
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type traverseGeneratorWrapper util.TraverserGenerator
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func newUniqueAddressWriter(w IDListWriter) IDListWriter {
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return &uniqueIDWriter{
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written: make(map[string]struct{}),
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writer: w,
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}
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}
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func (w *uniqueIDWriter) WriteIDs(list []*objectSDK.ID) error {
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w.mtx.Lock()
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for i := 0; i < len(list); i++ { // don't use range, slice mutates in body
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s := list[i].String()
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// standard stringer is quite costly, it is better
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// to facilitate the calculation of the key
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if _, ok := w.written[s]; !ok {
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// mark address as processed
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w.written[s] = struct{}{}
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continue
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}
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// exclude processed address
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list = append(list[:i], list[i+1:]...)
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i--
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}
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w.mtx.Unlock()
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return w.writer.WriteIDs(list)
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}
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func (c *clientCacheWrapper) get(key *ecdsa.PrivateKey, addr string) (searchClient, error) {
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clt, err := c.cache.Get(key, addr, c.opts...)
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return &clientWrapper{
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client: clt,
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}, err
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}
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func (c *clientWrapper) searchObjects(exec *execCtx) ([]*objectSDK.ID, error) {
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return c.client.SearchObject(exec.context(),
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exec.remotePrm(),
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exec.callOptions()...)
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}
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func (e *storageEngineWrapper) search(exec *execCtx) ([]*objectSDK.ID, error) {
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r, err := (*engine.StorageEngine)(e).Select(new(engine.SelectPrm).
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WithFilters(exec.searchFilters()),
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)
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if err != nil {
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return nil, err
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}
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return idsFromAddresses(r.AddressList()), nil
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}
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func idsFromAddresses(addrs []*objectSDK.Address) []*objectSDK.ID {
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ids := make([]*objectSDK.ID, len(addrs))
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for i := range addrs {
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ids[i] = addrs[i].ObjectID()
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}
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return ids
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}
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func (e *traverseGeneratorWrapper) generateTraverser(cid *container.ID) (*placement.Traverser, error) {
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a := objectSDK.NewAddress()
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a.SetContainerID(cid)
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return (*util.TraverserGenerator)(e).GenerateTraverser(a)
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}
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