go19.go 933 B

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  1. // +build go1.9,!appengine
  2. /*
  3. *
  4. * Copyright 2018 gRPC authors.
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the "License");
  7. * you may not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an "AS IS" BASIS,
  14. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. *
  18. */
  19. package credentials
  20. import (
  21. "errors"
  22. "syscall"
  23. )
  24. // implements the syscall.Conn interface
  25. func (c tlsConn) SyscallConn() (syscall.RawConn, error) {
  26. conn, ok := c.rawConn.(syscall.Conn)
  27. if !ok {
  28. return nil, errors.New("RawConn does not implement syscall.Conn")
  29. }
  30. return conn.SyscallConn()
  31. }