Dmitry Sergeev
52 lines
920 B
Go
52 lines
920 B
Go
package source
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import (
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"errors"
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"fmt"
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)
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type ErrorKind uint8
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const (
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ErrorKindUnknown ErrorKind = iota
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ErrorKindTemporary // timeout or temporarily early/late data i.e. wait or resync
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ErrorKindUnavailable // producer/flow disappeared
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ErrorKindInvalidConfig // wrong media type, invalid rate, etc.
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)
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type SourceError struct {
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Op string
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Kind ErrorKind
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Err error
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}
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func (e *SourceError) Error() string {
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if e.Op == "" {
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return e.Err.Error()
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}
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return fmt.Sprintf("%s: %v", e.Op, e.Err)
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}
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func (e *SourceError) Unwrap() error {
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return e.Err
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}
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func errorKind(err error) ErrorKind {
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var sourceErr *SourceError
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if errors.As(err, &sourceErr) {
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return sourceErr.Kind
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}
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return ErrorKindUnknown
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}
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func wrapError(op string, kind ErrorKind, err error) error {
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if err == nil {
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return nil
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}
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return &SourceError{
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Op: op,
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Kind: kind,
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Err: err,
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}
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}
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