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

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package settlement
import (
"fmt"
"sync"
"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/settlement/basic"
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"
)
type (
// ActiveState is a callback interface for inner ring global state
ActiveState interface {
IsActive() bool
}
// Processor is an event handler for payments in the system.
Processor struct {
log *logger.Logger
state ActiveState
pool nodeutil.WorkerPool
auditProc AuditProcessor
basicIncome BasicIncomeInitializer
contextMu sync.Mutex
incomeContexts map[uint64]*basic.IncomeSettlementContext
}
// Prm groups the required parameters of Processor's constructor.
Prm struct {
AuditProcessor AuditProcessor
BasicIncome BasicIncomeInitializer
State ActiveState
}
)
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,
state: prm.State,
pool: pool,
auditProc: prm.AuditProcessor,
basicIncome: prm.BasicIncome,
incomeContexts: make(map[uint64]*basic.IncomeSettlementContext),
}
}