mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Etienne Perot
d59375d82e
`//pkg/tcpip/link/rawfile` is a package to deal with raw socket and file FDs. It is not only used for Netstack, but rather just generally useful raw file manipulation stuff. This change removes the Unix-error-to-`//pkg/tcpip`-error translation step from its functions; this is now the responsibility of its callers. Callers within Netstack now do the translation by themselves; the translation function is moved to `//pkg/tcpip`. This allows the `//pkg/tcpip/link/rawfile` package to not depend on `//pkg/tcpip`, which in turn means the `//pkg/eventfd` package (which depends on `rawfile`) no longer transitively depends on `//pkg/tcpip`, which in turns means the `//pkg/unet` package (which depends on `//pkg/eventfd`) no longer transitively depends on `//pkg/tcpip`, which in turns means that the `//pkg/eventchannel` package (which depends on `//pkg/unet`) no longer transitively depends on `//pkg/tcpip`, which in turns means that the `//pkg/metric` package (which depends on `//pkg/eventchannel`) no longer transitively depends on `//pkg/tcpip`, which finally means that the `//pkg/metric` package can be used within `//pkg/tcpip`. \o/ This changes does not make it use it, it just moves `rawfile`. PiperOrigin-RevId: 647943618
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2024 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build linux
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// +build linux
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package tcpip
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import (
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"testing"
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"github.com/google/go-cmp/cmp"
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"golang.org/x/sys/unix"
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)
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func TestTranslateErrno(t *testing.T) {
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for _, test := range []struct {
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errno unix.Errno
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translated Error
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}{
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{
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errno: unix.Errno(0),
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translated: &ErrInvalidEndpointState{},
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},
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{
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errno: unix.Errno(maxErrno),
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translated: &ErrInvalidEndpointState{},
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},
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{
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errno: unix.Errno(514),
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translated: &ErrInvalidEndpointState{},
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},
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{
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errno: unix.EEXIST,
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translated: &ErrDuplicateAddress{},
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},
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} {
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got := TranslateErrno(test.errno)
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if diff := cmp.Diff(test.translated, got); diff != "" {
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t.Errorf("unexpected result from TranslateErrno(%q), (-want, +got):\n%s", test.errno, diff)
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}
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}
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}
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