sing-tun/internal/gtcpip/errors.go

46 lines
1.3 KiB
Go

// Copyright 2021 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.
package tcpip
import (
"fmt"
)
// Error represents an error in the netstack error space.
//
// The error interface is intentionally omitted to avoid loss of type
// information that would occur if these errors were passed as error.
type Error interface {
isError()
// IgnoreStats indicates whether this error should be included in failure
// counts in tcpip.Stats structs.
IgnoreStats() bool
fmt.Stringer
}
// ErrBadAddress indicates a bad address was provided.
//
// +stateify savable
type ErrBadAddress struct{}
func (*ErrBadAddress) isError() {}
// IgnoreStats implements Error.
func (*ErrBadAddress) IgnoreStats() bool {
return false
}
func (*ErrBadAddress) String() string { return "bad address" }