frostfs-s3-gw/api/handler/api.go

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package handler
import (
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"errors"
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"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/layer"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
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"go.uber.org/zap"
)
type (
handler struct {
log *zap.Logger
obj layer.Client
notificator Notificator
cfg *Config
}
Notificator interface {
SendNotifications(topics map[string]string, p *SendNotificationParams) error
SendTestNotification(topic, bucketName, requestID, HostID string) error
}
// Config contains data which handler needs to keep.
Config struct {
DefaultPolicy netmap.PlacementPolicy
DefaultMaxAge int
NotificatorEnabled bool
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}
)
// DefaultPolicy is a default policy of placing containers in NeoFS if it's not set at the request.
const DefaultPolicy = "REP 3"
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var _ api.Handler = (*handler)(nil)
// New creates new api.Handler using given logger and client.
func New(log *zap.Logger, obj layer.Client, notificator Notificator, cfg *Config) (api.Handler, error) {
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switch {
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case obj == nil:
return nil, errors.New("empty NeoFS Object Layer")
case log == nil:
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return nil, errors.New("empty logger")
}
if !cfg.NotificatorEnabled {
log.Warn("notificator is disabled, s3 won't produce notification events")
} else if notificator == nil {
return nil, errors.New("empty notificator")
}
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return &handler{
log: log,
obj: obj,
cfg: cfg,
notificator: notificator,
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}, nil
}