Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 93 insertions, 0 deletions

diff --git a/pkg/syserr/netstack.go b/pkg/syserr/netstack.go
new file mode 100644
index 000000000..36726e967
--- /dev/null
+++ b/pkg/syserr/netstack.go
@@ -0,0 +1,93 @@
+// 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,
+}
+
+// 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
+}