68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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   Copyright The containerd Authors.
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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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       http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package docker
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import (
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	"sync"
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	"github.com/containerd/containerd/content"
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	"github.com/containerd/containerd/errdefs"
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	"github.com/pkg/errors"
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)
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// Status of a content operation
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type Status struct {
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	content.Status
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	// UploadUUID is used by the Docker registry to reference blob uploads
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	UploadUUID string
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}
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// StatusTracker to track status of operations
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type StatusTracker interface {
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	GetStatus(string) (Status, error)
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	SetStatus(string, Status)
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}
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type memoryStatusTracker struct {
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	statuses map[string]Status
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	m        sync.Mutex
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}
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// NewInMemoryTracker returns a StatusTracker that tracks content status in-memory
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func NewInMemoryTracker() StatusTracker {
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	return &memoryStatusTracker{
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		statuses: map[string]Status{},
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	}
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}
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func (t *memoryStatusTracker) GetStatus(ref string) (Status, error) {
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	t.m.Lock()
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	defer t.m.Unlock()
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	status, ok := t.statuses[ref]
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	if !ok {
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		return Status{}, errors.Wrapf(errdefs.ErrNotFound, "status for ref %v", ref)
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	}
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	return status, nil
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}
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func (t *memoryStatusTracker) SetStatus(ref string, status Status) {
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	t.m.Lock()
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	t.statuses[ref] = status
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	t.m.Unlock()
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}
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