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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build linux
package rawfile
import (
"syscall"
"gvisor.googlesource.com/gvisor/pkg/tcpip"
)
var translations = map[syscall.Errno]*tcpip.Error{
syscall.EEXIST: tcpip.ErrDuplicateAddress,
syscall.ENETUNREACH: tcpip.ErrNoRoute,
syscall.EINVAL: tcpip.ErrInvalidEndpointState,
syscall.EALREADY: tcpip.ErrAlreadyConnecting,
syscall.EISCONN: tcpip.ErrAlreadyConnected,
syscall.EADDRINUSE: tcpip.ErrPortInUse,
syscall.EADDRNOTAVAIL: tcpip.ErrBadLocalAddress,
syscall.EPIPE: tcpip.ErrClosedForSend,
syscall.EWOULDBLOCK: tcpip.ErrWouldBlock,
syscall.ECONNREFUSED: tcpip.ErrConnectionRefused,
syscall.ETIMEDOUT: tcpip.ErrTimeout,
syscall.EINPROGRESS: tcpip.ErrConnectStarted,
syscall.EDESTADDRREQ: tcpip.ErrDestinationRequired,
syscall.ENOTSUP: tcpip.ErrNotSupported,
syscall.ENOTTY: tcpip.ErrQueueSizeNotSupported,
syscall.ENOTCONN: tcpip.ErrNotConnected,
syscall.ECONNRESET: tcpip.ErrConnectionReset,
syscall.ECONNABORTED: tcpip.ErrConnectionAborted,
syscall.EMSGSIZE: tcpip.ErrMessageTooLong,
syscall.ENOBUFS: tcpip.ErrNoBufferSpace,
}
// TranslateErrno translate an errno from the syscall package into a
// *tcpip.Error.
//
// Not all errnos are supported and this function will panic on unreconized
// errnos.
func TranslateErrno(e syscall.Errno) *tcpip.Error {
if err, ok := translations[e]; ok {
return err
}
return tcpip.ErrInvalidEndpointState
}
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