frostfs-node/pkg/innerring/processors/container/processor.go

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package container
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"
containerEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
"github.com/panjf2000/ants/v2"
"github.com/pkg/errors"
"go.uber.org/zap"
)
type (
// ActiveState is a callback interface for inner ring global state.
ActiveState interface {
IsActive() bool
}
// Processor of events produced by container contract in morph chain.
Processor struct {
log *zap.Logger
pool *ants.Pool
containerContract util.Uint160
morphClient *client.Client
activeState ActiveState
}
// Params of the processor constructor.
Params struct {
Log *zap.Logger
PoolSize int
ContainerContract util.Uint160
MorphClient *client.Client
ActiveState ActiveState
}
)
const (
putNotification = "containerPut"
deleteNotification = "containerDelete"
)
// New creates container contract processor instance.
func New(p *Params) (*Processor, error) {
switch {
case p.Log == nil:
return nil, errors.New("ir/container: logger is not set")
case p.MorphClient == nil:
return nil, errors.New("ir/container: neo:morph client is not set")
case p.ActiveState == nil:
return nil, errors.New("ir/container: global state is not set")
}
p.Log.Debug("container worker pool", zap.Int("size", p.PoolSize))
pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
if err != nil {
return nil, errors.Wrap(err, "ir/container: can't create worker pool")
}
return &Processor{
log: p.Log,
pool: pool,
containerContract: p.ContainerContract,
morphClient: p.MorphClient,
activeState: p.ActiveState,
}, nil
}
// ListenerParsers for the 'event.Listener' event producer.
func (cp *Processor) ListenerParsers() []event.ParserInfo {
var parsers []event.ParserInfo
// container put event
put := event.ParserInfo{}
put.SetType(putNotification)
put.SetScriptHash(cp.containerContract)
put.SetParser(containerEvent.ParsePut)
parsers = append(parsers, put)
// container del event
del := event.ParserInfo{}
del.SetType(deleteNotification)
del.SetScriptHash(cp.containerContract)
del.SetParser(containerEvent.ParseDelete)
parsers = append(parsers, del)
return parsers
}
// ListenerHandlers for the 'event.Listener' event producer.
func (cp *Processor) ListenerHandlers() []event.HandlerInfo {
var handlers []event.HandlerInfo
// container put handler
put := event.HandlerInfo{}
put.SetType(putNotification)
put.SetScriptHash(cp.containerContract)
put.SetHandler(cp.handlePut)
handlers = append(handlers, put)
del := event.HandlerInfo{}
del.SetType(deleteNotification)
del.SetScriptHash(cp.containerContract)
del.SetHandler(cp.handleDelete)
handlers = append(handlers, del)
return handlers
}
// TimersHandlers for the 'Timers' event producer.
func (cp *Processor) TimersHandlers() []event.HandlerInfo {
return nil
}