package handler import ( "errors" "time" "github.com/TrueCloudLab/frostfs-s3-gw/api" "github.com/TrueCloudLab/frostfs-s3-gw/api/layer" "github.com/TrueCloudLab/frostfs-sdk-go/netmap" "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, now time.Time) error } // Config contains data which handler needs to keep. Config struct { Policy PlacementPolicy DefaultMaxAge int NotificatorEnabled bool CopiesNumber uint32 } PlacementPolicy interface { Default() netmap.PlacementPolicy Get(string) (netmap.PlacementPolicy, bool) } ) const ( // DefaultPolicy is a default policy of placing containers in NeoFS if it's not set at the request. DefaultPolicy = "REP 3" // DefaultCopiesNumber is a default number of object copies that is enough to consider put successful if it's not set in config. DefaultCopiesNumber uint32 = 0 ) 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) { switch { case obj == nil: return nil, errors.New("empty NeoFS Object Layer") case log == nil: 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") } return &handler{ log: log, obj: obj, cfg: cfg, notificator: notificator, }, nil }