mirror of https://github.com/ceph/go-ceph
68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package cephfs
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/*
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#include <errno.h>
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*/
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import "C"
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import (
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"errors"
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"github.com/ceph/go-ceph/internal/errutil"
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)
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// cephFSError represents an error condition returned from the CephFS APIs.
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type cephFSError int
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// Error returns the error string for the cephFSError type.
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func (e cephFSError) Error() string {
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return errutil.FormatErrorCode("cephfs", int(e))
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}
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func (e cephFSError) ErrorCode() int {
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return int(e)
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}
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func getError(e C.int) error {
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if e == 0 {
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return nil
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}
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return cephFSError(e)
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}
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// getErrorIfNegative converts a ceph return code to error if negative.
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// This is useful for functions that return a usable positive value on
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// success but a negative error number on error.
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func getErrorIfNegative(ret C.int) error {
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if ret >= 0 {
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return nil
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}
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return getError(ret)
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}
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// Public go errors:
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var (
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// ErrEmptyArgument may be returned if a function argument is passed
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// a zero-length slice or map.
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ErrEmptyArgument = errors.New("Argument must contain at least one item")
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)
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// Public CephFSErrors:
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const (
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// ErrNotConnected may be returned when client is not connected
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// to a cluster.
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ErrNotConnected = cephFSError(-C.ENOTCONN)
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// ErrNotExist indicates a non-specific missing resource.
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ErrNotExist = cephFSError(-C.ENOENT)
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)
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// Private errors:
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const (
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errInvalid = cephFSError(-C.EINVAL)
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errNameTooLong = cephFSError(-C.ENAMETOOLONG)
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errRange = cephFSError(-C.ERANGE)
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)
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