package client import ( "fmt" apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status" ) // wrapsErrType returns true if any error in the error tree of err is of type E. func wrapsErrType[E error](err error) bool { switch e := err.(type) { case E: return true case interface{ Unwrap() error }: return wrapsErrType[E](e.Unwrap()) case interface{ Unwrap() []error }: for _, ei := range e.Unwrap() { if wrapsErrType[E](ei) { return true } } return false default: return false } } // IsErrContainerNotFound checks if err corresponds to FrostFS status // return corresponding to missing container. Supports wrapped errors. func IsErrContainerNotFound(err error) bool { return wrapsErrType[*apistatus.ContainerNotFound](err) } // IsErrEACLNotFound checks if err corresponds to FrostFS status // return corresponding to missing eACL table. Supports wrapped errors. func IsErrEACLNotFound(err error) bool { return wrapsErrType[*apistatus.EACLNotFound](err) } // IsErrObjectNotFound checks if err corresponds to FrostFS status // return corresponding to missing object. Supports wrapped errors. func IsErrObjectNotFound(err error) bool { return wrapsErrType[*apistatus.ObjectNotFound](err) } // IsErrObjectAlreadyRemoved checks if err corresponds to FrostFS status // return corresponding to already removed object. Supports wrapped errors. func IsErrObjectAlreadyRemoved(err error) bool { return wrapsErrType[*apistatus.ObjectAlreadyRemoved](err) } // IsErrSessionExpired checks if err corresponds to FrostFS status return // corresponding to expired session. Supports wrapped errors. func IsErrSessionExpired(err error) bool { return wrapsErrType[*apistatus.SessionTokenExpired](err) } // IsErrSessionNotFound checks if err corresponds to FrostFS status return // corresponding to missing session. Supports wrapped errors. func IsErrSessionNotFound(err error) bool { return wrapsErrType[*apistatus.SessionTokenNotFound](err) } // returns error describing missing field with the given name. func newErrMissingResponseField(name string) error { return fmt.Errorf("missing %s field in the response", name) } // returns error describing invalid field (according to the FrostFS protocol) // with the given name and format violation err. func newErrInvalidResponseField(name string, err error) error { return fmt.Errorf("invalid %s field in the response: %w", name, err) }