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// Copyright 2018 Google Inc.
//
// 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.
package syserr
import (
"gvisor.googlesource.com/gvisor/pkg/abi/linux"
"gvisor.googlesource.com/gvisor/pkg/tcpip"
)
// Mapping for tcpip.Error types.
var (
ErrUnknownProtocol = New(tcpip.ErrUnknownProtocol.String(), linux.EINVAL)
ErrUnknownNICID = New(tcpip.ErrUnknownNICID.String(), linux.EINVAL)
ErrUnknownProtocolOption = New(tcpip.ErrUnknownProtocolOption.String(), linux.ENOPROTOOPT)
ErrDuplicateNICID = New(tcpip.ErrDuplicateNICID.String(), linux.EEXIST)
ErrDuplicateAddress = New(tcpip.ErrDuplicateAddress.String(), linux.EEXIST)
ErrBadLinkEndpoint = New(tcpip.ErrBadLinkEndpoint.String(), linux.EINVAL)
ErrAlreadyBound = New(tcpip.ErrAlreadyBound.String(), linux.EINVAL)
ErrInvalidEndpointState = New(tcpip.ErrInvalidEndpointState.String(), linux.EINVAL)
ErrAlreadyConnecting = New(tcpip.ErrAlreadyConnecting.String(), linux.EALREADY)
ErrNoPortAvailable = New(tcpip.ErrNoPortAvailable.String(), linux.EAGAIN)
ErrPortInUse = New(tcpip.ErrPortInUse.String(), linux.EADDRINUSE)
ErrBadLocalAddress = New(tcpip.ErrBadLocalAddress.String(), linux.EADDRNOTAVAIL)
ErrClosedForSend = New(tcpip.ErrClosedForSend.String(), linux.EPIPE)
ErrClosedForReceive = New(tcpip.ErrClosedForReceive.String(), nil)
ErrTimeout = New(tcpip.ErrTimeout.String(), linux.ETIMEDOUT)
ErrAborted = New(tcpip.ErrAborted.String(), linux.EPIPE)
ErrConnectStarted = New(tcpip.ErrConnectStarted.String(), linux.EINPROGRESS)
ErrDestinationRequired = New(tcpip.ErrDestinationRequired.String(), linux.EDESTADDRREQ)
ErrNotSupported = New(tcpip.ErrNotSupported.String(), linux.EOPNOTSUPP)
ErrQueueSizeNotSupported = New(tcpip.ErrQueueSizeNotSupported.String(), linux.ENOTTY)
ErrNoSuchFile = New(tcpip.ErrNoSuchFile.String(), linux.ENOENT)
ErrInvalidOptionValue = New(tcpip.ErrInvalidOptionValue.String(), linux.EINVAL)
)
var netstackErrorTranslations = map[*tcpip.Error]*Error{
tcpip.ErrUnknownProtocol: ErrUnknownProtocol,
tcpip.ErrUnknownNICID: ErrUnknownNICID,
tcpip.ErrUnknownProtocolOption: ErrUnknownProtocolOption,
tcpip.ErrDuplicateNICID: ErrDuplicateNICID,
tcpip.ErrDuplicateAddress: ErrDuplicateAddress,
tcpip.ErrNoRoute: ErrNoRoute,
tcpip.ErrBadLinkEndpoint: ErrBadLinkEndpoint,
tcpip.ErrAlreadyBound: ErrAlreadyBound,
tcpip.ErrInvalidEndpointState: ErrInvalidEndpointState,
tcpip.ErrAlreadyConnecting: ErrAlreadyConnecting,
tcpip.ErrAlreadyConnected: ErrAlreadyConnected,
tcpip.ErrNoPortAvailable: ErrNoPortAvailable,
tcpip.ErrPortInUse: ErrPortInUse,
tcpip.ErrBadLocalAddress: ErrBadLocalAddress,
tcpip.ErrClosedForSend: ErrClosedForSend,
tcpip.ErrClosedForReceive: ErrClosedForReceive,
tcpip.ErrWouldBlock: ErrWouldBlock,
tcpip.ErrConnectionRefused: ErrConnectionRefused,
tcpip.ErrTimeout: ErrTimeout,
tcpip.ErrAborted: ErrAborted,
tcpip.ErrConnectStarted: ErrConnectStarted,
tcpip.ErrDestinationRequired: ErrDestinationRequired,
tcpip.ErrNotSupported: ErrNotSupported,
tcpip.ErrQueueSizeNotSupported: ErrQueueSizeNotSupported,
tcpip.ErrNotConnected: ErrNotConnected,
tcpip.ErrConnectionReset: ErrConnectionReset,
tcpip.ErrConnectionAborted: ErrConnectionAborted,
tcpip.ErrNoSuchFile: ErrNoSuchFile,
tcpip.ErrInvalidOptionValue: ErrInvalidOptionValue,
tcpip.ErrNoLinkAddress: ErrHostDown,
tcpip.ErrBadAddress: ErrBadAddress,
tcpip.ErrNetworkUnreachable: ErrNetworkUnreachable,
}
// TranslateNetstackError converts an error from the tcpip package to a sentry
// internal error.
func TranslateNetstackError(err *tcpip.Error) *Error {
if err == nil {
return nil
}
se, ok := netstackErrorTranslations[err]
if !ok {
panic("Unknown error: " + err.String())
}
return se
}
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