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Jamie LiuandgVisor bot
84bc4e3f8f
... and use it everywhere in preference to its string. This is to be able to reliably inspect pgalloc.MemoryFile.ResourceID().Path in cl/879147587. PiperOrigin-RevId: 883274090
43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
// Copyright 2026 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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// Package checkpoint defines types that are used by multiple forms of gVisor
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// checkpoints.
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package checkpoint
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import (
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"fmt"
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)
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// ResourceID is a unique ID that is used to identify resources between save/restore sessions.
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// Examples of resources are host files, gofer connection for mount points, etc.
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//
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// +stateify savable
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type ResourceID struct {
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// ContainerName is the name of the container that the resource belongs to.
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ContainerName string `json:"container_name"`
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// Path is the path of the resource. Path is never empty for a valid
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// ResourceID.
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Path string `json:"path"`
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}
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// Ok returns true if the ResourceID is valid and not the zero value.
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func (id ResourceID) Ok() bool {
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return id.Path != ""
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}
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func (id ResourceID) String() string {
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return fmt.Sprintf("%s:%s", id.ContainerName, id.Path)
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}
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