frostfs-node/pkg/innerring/processors/settlement/processor.go
Leonard Lyubich 4204a9f920 [#326] ir: Implement settlement processor
Define a processor of events related to monetary transactions. Define
audit-related event. Provide an interface for processing the audit payout
event.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-01-29 11:04:30 +03:00

58 lines
1.2 KiB
Go

package settlement
import (
"fmt"
nodeutil "github.com/nspcc-dev/neofs-node/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/util/logger"
"github.com/panjf2000/ants/v2"
"github.com/pkg/errors"
"go.uber.org/zap"
)
// Processor is an event handler for payments in the system.
type Processor struct {
log *logger.Logger
pool nodeutil.WorkerPool
auditProc AuditProcessor
}
// Prm groups the required parameters of Processor's constructor.
type Prm struct {
AuditProcessor AuditProcessor
}
func panicOnPrmValue(n string, v interface{}) {
panic(fmt.Sprintf("invalid parameter %s (%T):%v", n, v, v))
}
// New creates and returns a new Processor instance.
func New(prm Prm, opts ...Option) *Processor {
switch {
case prm.AuditProcessor == nil:
panicOnPrmValue("AuditProcessor", prm.AuditProcessor)
}
o := defaultOptions()
for i := range opts {
opts[i](o)
}
pool, err := ants.NewPool(o.poolSize, ants.WithNonblocking(true))
if err != nil {
panic(errors.Wrap(err, "could not create worker pool"))
}
o.log.Debug("worker pool for settlement processor successfully initialized",
zap.Int("capacity", o.poolSize),
)
return &Processor{
log: o.log,
pool: pool,
auditProc: prm.AuditProcessor,
}
}