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

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package container
import (
"errors"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
neofsid "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofsid/wrapper"
"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"
"go.uber.org/zap"
)
type (
// AlphabetState is a callback interface for inner ring global state.
AlphabetState interface {
IsAlphabet() bool
}
// Processor of events produced by container contract in morph chain.
Processor struct {
log *zap.Logger
pool *ants.Pool
containerContract util.Uint160
alphabetState AlphabetState
cnrClient *wrapper.Wrapper // notary must be enabled
idClient *neofsid.ClientWrapper
netState NetworkState
}
// Params of the processor constructor.
Params struct {
Log *zap.Logger
PoolSize int
ContainerContract util.Uint160
AlphabetState AlphabetState
ContainerClient *wrapper.Wrapper
NeoFSIDClient *neofsid.ClientWrapper
NetworkState NetworkState
}
)
// NetworkState is an interface of a component
// that provides access to network state.
type NetworkState interface {
// Epoch must return number of the current epoch.
//
// Must return any error encountered
// which did not allow reading the value.
Epoch() (uint64, error)
}
const (
putNotification = "containerPut"
deleteNotification = "containerDelete"
setEACLNotification = "setEACL"
)
// 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.AlphabetState == nil:
return nil, errors.New("ir/container: global state is not set")
case p.ContainerClient == nil:
return nil, errors.New("ir/container: Container client is not set")
case p.NeoFSIDClient == nil:
return nil, errors.New("ir/container: NeoFS ID client is not set")
case p.NetworkState == nil:
return nil, errors.New("ir/container: network 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, fmt.Errorf("ir/container: can't create worker pool: %w", err)
}
return &Processor{
log: p.Log,
pool: pool,
containerContract: p.ContainerContract,
alphabetState: p.AlphabetState,
cnrClient: p.ContainerClient,
idClient: p.NeoFSIDClient,
netState: p.NetworkState,
}, nil
}
// ListenerNotificationParsers for the 'event.Listener' event producer.
func (cp *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
var (
parsers = make([]event.NotificationParserInfo, 0, 3)
p event.NotificationParserInfo
)
p.SetScriptHash(cp.containerContract)
// container put
p.SetType(event.TypeFromString(putNotification))
p.SetParser(containerEvent.ParsePut)
parsers = append(parsers, p)
// container delete
p.SetType(event.TypeFromString(deleteNotification))
p.SetParser(containerEvent.ParseDelete)
parsers = append(parsers, p)
// set eACL
p.SetType(event.TypeFromString(setEACLNotification))
p.SetParser(containerEvent.ParseSetEACL)
parsers = append(parsers, p)
return parsers
}
// ListenerNotificationHandlers for the 'event.Listener' event producer.
func (cp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
var (
handlers = make([]event.NotificationHandlerInfo, 0, 3)
h event.NotificationHandlerInfo
)
h.SetScriptHash(cp.containerContract)
// container put
h.SetType(event.TypeFromString(putNotification))
h.SetHandler(cp.handlePut)
handlers = append(handlers, h)
// container delete
h.SetType(event.TypeFromString(deleteNotification))
h.SetHandler(cp.handleDelete)
handlers = append(handlers, h)
// set eACL
h.SetType(event.TypeFromString(setEACLNotification))
h.SetHandler(cp.handleSetEACL)
handlers = append(handlers, h)
return handlers
}
// TimersHandlers for the 'Timers' event producer.
func (cp *Processor) TimersHandlers() []event.NotificationHandlerInfo {
return nil
}