syncthing/lib/protocol/errors.go
2015-09-22 20:34:24 +02:00

52 lines
852 B
Go
Executable File

// Copyright (C) 2014 The Protocol Authors.
package protocol
import (
"errors"
)
const (
ecNoError int32 = iota
ecGeneric
ecNoSuchFile
ecInvalid
)
var (
ErrNoError error
ErrGeneric = errors.New("generic error")
ErrNoSuchFile = errors.New("no such file")
ErrInvalid = errors.New("file is invalid")
)
var lookupError = map[int32]error{
ecNoError: ErrNoError,
ecGeneric: ErrGeneric,
ecNoSuchFile: ErrNoSuchFile,
ecInvalid: ErrInvalid,
}
var lookupCode = map[error]int32{
ErrNoError: ecNoError,
ErrGeneric: ecGeneric,
ErrNoSuchFile: ecNoSuchFile,
ErrInvalid: ecInvalid,
}
func codeToError(errcode int32) error {
err, ok := lookupError[errcode]
if !ok {
return ErrGeneric
}
return err
}
func errorToCode(err error) int32 {
code, ok := lookupCode[err]
if !ok {
return ecGeneric
}
return code
}