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// Copyright 2024 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.
//go:build linux
// +build linux
package tcpip
import (
"golang.org/x/sys/unix"
)
// TranslateErrno translate an errno from the syscall package into a
// tcpip Error.
//
// Valid, but unrecognized errnos will be translated to
// *ErrInvalidEndpointState (EINVAL). This includes the "zero" value.
func TranslateErrno(e unix.Errno) Error {
switch e {
case unix.EEXIST:
return &ErrDuplicateAddress{}
case unix.ENETUNREACH:
return &ErrHostUnreachable{}
case unix.EINVAL:
return &ErrInvalidEndpointState{}
case unix.EALREADY:
return &ErrAlreadyConnecting{}
case unix.EISCONN:
return &ErrAlreadyConnected{}
case unix.EADDRINUSE:
return &ErrPortInUse{}
case unix.EADDRNOTAVAIL:
return &ErrBadLocalAddress{}
case unix.EPIPE:
return &ErrClosedForSend{}
case unix.EWOULDBLOCK:
return &ErrWouldBlock{}
case unix.ECONNREFUSED:
return &ErrConnectionRefused{}
case unix.ETIMEDOUT:
return &ErrTimeout{}
case unix.EINPROGRESS:
return &ErrConnectStarted{}
case unix.EDESTADDRREQ:
return &ErrDestinationRequired{}
case unix.ENOTSUP:
return &ErrNotSupported{}
case unix.ENOTTY:
return &ErrQueueSizeNotSupported{}
case unix.ENOTCONN:
return &ErrNotConnected{}
case unix.ECONNRESET:
return &ErrConnectionReset{}
case unix.ECONNABORTED:
return &ErrConnectionAborted{}
case unix.EMSGSIZE:
return &ErrMessageTooLong{}
case unix.ENOBUFS:
return &ErrNoBufferSpace{}
default:
return &ErrInvalidEndpointState{}
}
}
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