frostfs-sdk-go/client/errors.go

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package client
import (
"errors"
"fmt"
apistatus "github.com/TrueCloudLab/frostfs-sdk-go/client/status"
)
// unwraps err using errors.Unwrap and returns the result.
func unwrapErr(err error) error {
for e := errors.Unwrap(err); e != nil; e = errors.Unwrap(err) {
err = e
}
return err
}
// IsErrContainerNotFound checks if err corresponds to FrostFS status
// return corresponding to missing container. Supports wrapped errors.
func IsErrContainerNotFound(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.ContainerNotFound,
*apistatus.ContainerNotFound:
return true
}
}
// IsErrEACLNotFound checks if err corresponds to FrostFS status
// return corresponding to missing eACL table. Supports wrapped errors.
func IsErrEACLNotFound(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.EACLNotFound,
*apistatus.EACLNotFound:
return true
}
}
// IsErrObjectNotFound checks if err corresponds to FrostFS status
// return corresponding to missing object. Supports wrapped errors.
func IsErrObjectNotFound(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.ObjectNotFound,
*apistatus.ObjectNotFound:
return true
}
}
// IsErrObjectAlreadyRemoved checks if err corresponds to FrostFS status
// return corresponding to already removed object. Supports wrapped errors.
func IsErrObjectAlreadyRemoved(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.ObjectAlreadyRemoved,
*apistatus.ObjectAlreadyRemoved:
return true
}
}
// IsErrSessionExpired checks if err corresponds to FrostFS status return
// corresponding to expired session. Supports wrapped errors.
func IsErrSessionExpired(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.SessionTokenExpired,
*apistatus.SessionTokenExpired:
return true
}
}
// IsErrSessionNotFound checks if err corresponds to FrostFS status return
// corresponding to missing session. Supports wrapped errors.
func IsErrSessionNotFound(err error) bool {
switch unwrapErr(err).(type) {
default:
return false
case
apistatus.SessionTokenNotFound,
*apistatus.SessionTokenNotFound:
return true
}
}
// 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)
}