error.go 1.2 KB

123456789101112131415161718192021222324252627282930313233
  1. // Copyright 2016 The go-ethereum Authors
  2. // This file is part of the go-ethereum library.
  3. //
  4. // The go-ethereum library is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU Lesser General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // The go-ethereum library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU Lesser General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU Lesser General Public License
  15. // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
  16. package netutil
  17. // IsTemporaryError checks whether the given error should be considered temporary.
  18. func IsTemporaryError(err error) bool {
  19. tempErr, ok := err.(interface {
  20. Temporary() bool
  21. })
  22. return ok && tempErr.Temporary() || isPacketTooBig(err)
  23. }
  24. // IsTimeout checks whether the given error is a timeout.
  25. func IsTimeout(err error) bool {
  26. timeoutErr, ok := err.(interface {
  27. Timeout() bool
  28. })
  29. return ok && timeoutErr.Timeout()
  30. }