68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|    Copyright The containerd 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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| */
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| 
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| package docker
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| 
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| import (
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| 	"sync"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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