71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
// Copyright 2018 The gVisor Authors.
|
|
//
|
|
// 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 (
|
|
"fmt"
|
|
"syscall"
|
|
|
|
"gvisor.dev/gvisor/pkg/tcpip"
|
|
)
|
|
|
|
const maxErrno = 134
|
|
|
|
var translations [maxErrno]*tcpip.Error
|
|
|
|
// TranslateErrno translate an errno from the syscall package into a
|
|
// *tcpip.Error.
|
|
//
|
|
// Valid, but unrecognized errnos will be translated to
|
|
// tcpip.ErrInvalidEndpointState (EINVAL). Panics on invalid errnos.
|
|
func TranslateErrno(e syscall.Errno) *tcpip.Error {
|
|
if err := translations[e]; err != nil {
|
|
return err
|
|
}
|
|
return tcpip.ErrInvalidEndpointState
|
|
}
|
|
|
|
func addTranslation(host syscall.Errno, trans *tcpip.Error) {
|
|
if translations[host] != nil {
|
|
panic(fmt.Sprintf("duplicate translation for host errno %q (%d)", host.Error(), host))
|
|
}
|
|
translations[host] = trans
|
|
}
|
|
|
|
func init() {
|
|
addTranslation(syscall.EEXIST, tcpip.ErrDuplicateAddress)
|
|
addTranslation(syscall.ENETUNREACH, tcpip.ErrNoRoute)
|
|
addTranslation(syscall.EINVAL, tcpip.ErrInvalidEndpointState)
|
|
addTranslation(syscall.EALREADY, tcpip.ErrAlreadyConnecting)
|
|
addTranslation(syscall.EISCONN, tcpip.ErrAlreadyConnected)
|
|
addTranslation(syscall.EADDRINUSE, tcpip.ErrPortInUse)
|
|
addTranslation(syscall.EADDRNOTAVAIL, tcpip.ErrBadLocalAddress)
|
|
addTranslation(syscall.EPIPE, tcpip.ErrClosedForSend)
|
|
addTranslation(syscall.EWOULDBLOCK, tcpip.ErrWouldBlock)
|
|
addTranslation(syscall.ECONNREFUSED, tcpip.ErrConnectionRefused)
|
|
addTranslation(syscall.ETIMEDOUT, tcpip.ErrTimeout)
|
|
addTranslation(syscall.EINPROGRESS, tcpip.ErrConnectStarted)
|
|
addTranslation(syscall.EDESTADDRREQ, tcpip.ErrDestinationRequired)
|
|
addTranslation(syscall.ENOTSUP, tcpip.ErrNotSupported)
|
|
addTranslation(syscall.ENOTTY, tcpip.ErrQueueSizeNotSupported)
|
|
addTranslation(syscall.ENOTCONN, tcpip.ErrNotConnected)
|
|
addTranslation(syscall.ECONNRESET, tcpip.ErrConnectionReset)
|
|
addTranslation(syscall.ECONNABORTED, tcpip.ErrConnectionAborted)
|
|
addTranslation(syscall.EMSGSIZE, tcpip.ErrMessageTooLong)
|
|
addTranslation(syscall.ENOBUFS, tcpip.ErrNoBufferSpace)
|
|
}
|