[#7] Add container processor for inner ring

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-08-11 15:10:01 +03:00
parent 055f7be6d1
commit c4cdfe3ec2
3 changed files with 154 additions and 0 deletions

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package container
import (
"crypto/sha256"
"github.com/mr-tron/base58"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
containerEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
"go.uber.org/zap"
)
func (cp *Processor) handlePut(ev event.Event) {
put := ev.(containerEvent.Put) // todo: check panic in production
id := sha256.Sum256(put.Container())
cp.log.Info("notification",
zap.String("type", "container put"),
zap.String("id", base58.Encode(id[:])))
// send event to the worker pool
err := cp.pool.Submit(func() { cp.processContainerPut(&put) })
if err != nil {
// todo: move into controlled degradation stage
cp.log.Warn("container processor worker pool drained",
zap.Int("capacity", cp.pool.Cap()))
}
}

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package container
import (
"github.com/nspcc-dev/neofs-node/pkg/innerring/invoke"
containerEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
"go.uber.org/zap"
)
// Process new container from the user by checking container sanity
// and sending approve tx back to morph.
func (cp *Processor) processContainerPut(put *containerEvent.Put) {
if !cp.activeState.IsActive() {
cp.log.Info("passive mode, ignore container put")
return
}
err := invoke.RegisterContainer(cp.morphClient, cp.containerContract,
&invoke.ContainerParams{
Key: put.PublicKey(),
Container: put.Container(),
Signature: put.Signature(),
})
if err != nil {
cp.log.Error("can't invoke new container", zap.Error(err))
}
}

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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"
)
// 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
deposit := event.ParserInfo{}
deposit.SetType(putNotification)
deposit.SetScriptHash(cp.containerContract)
deposit.SetParser(containerEvent.ParsePut)
parsers = append(parsers, deposit)
return parsers
}
// ListenerHandlers for the 'event.Listener' event producer.
func (cp *Processor) ListenerHandlers() []event.HandlerInfo {
var handlers []event.HandlerInfo
// container put handler
deposit := event.HandlerInfo{}
deposit.SetType(putNotification)
deposit.SetScriptHash(cp.containerContract)
deposit.SetHandler(cp.handlePut)
handlers = append(handlers, deposit)
return handlers
}
// TimersHandlers for the 'Timers' event producer.
func (cp *Processor) TimersHandlers() []event.HandlerInfo {
return nil
}