package audit import ( "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/event" "github.com/panjf2000/ants/v2" "github.com/pkg/errors" "go.uber.org/zap" ) type ( // Indexer is a callback interface for inner ring global state. Indexer interface { Index() int32 InnerRingSize() int32 } // Processor of events related with data audit. Processor struct { log *zap.Logger pool *ants.Pool containerContract util.Uint160 auditContract util.Uint160 morphClient *client.Client irList Indexer } // Params of the processor constructor. Params struct { Log *zap.Logger ContainerContract util.Uint160 AuditContract util.Uint160 MorphClient *client.Client IRList Indexer } ) // AuditProcessor manages audit tasks and fills queue for next epoch. This // process must not be interrupted by new audit epoch, so we limit pool size // for processor to one. const ProcessorPoolSize = 1 // New creates audit processor instance. func New(p *Params) (*Processor, error) { switch { case p.Log == nil: return nil, errors.New("ir/audit: logger is not set") case p.MorphClient == nil: return nil, errors.New("ir/audit: neo:morph client is not set") case p.IRList == nil: return nil, errors.New("ir/audit: global state is not set") } pool, err := ants.NewPool(ProcessorPoolSize, ants.WithNonblocking(true)) if err != nil { return nil, errors.Wrap(err, "ir/audit: can't create worker pool") } return &Processor{ log: p.Log, pool: pool, containerContract: p.ContainerContract, auditContract: p.AuditContract, morphClient: p.MorphClient, irList: p.IRList, }, nil } // ListenerParsers for the 'event.Listener' event producer. func (ap *Processor) ListenerParsers() []event.ParserInfo { return nil } // ListenerHandlers for the 'event.Listener' event producer. func (ap *Processor) ListenerHandlers() []event.HandlerInfo { return nil } // TimersHandlers for the 'Timers' event producer. func (ap *Processor) TimersHandlers() []event.HandlerInfo { return nil } // StartAuditHandler for the internal event producer. func (ap *Processor) StartAuditHandler() event.Handler { return ap.handleNewAuditRound }