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Adds new storagedriver.FileWriter interface

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Updates registry storage code to use this for better resumable writes.
Implements this interface for the following drivers:
 + Inmemory
 + Filesystem
 + S3
 + Azure

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2016-02-08 14:29:21 -08:00
parent 7adddecf0b
commit c69c8a3286
25 changed files with 1059 additions and 2488 deletions
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18
docs/client/blob_writer.go
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@ -6,7 +6,6 @@ import (
"io"
"io/ioutil"
"net/http"
"os"
"time"
"github.com/docker/distribution"
@ -104,21 +103,8 @@ func (hbu *httpBlobUpload) Write(p []byte) (n int, err error) {
}
func (hbu *httpBlobUpload) Seek(offset int64, whence int) (int64, error) {
newOffset := hbu.offset
switch whence {
case os.SEEK_CUR:
newOffset += int64(offset)
case os.SEEK_END:
newOffset += int64(offset)
case os.SEEK_SET:
newOffset = int64(offset)
}
hbu.offset = newOffset
return hbu.offset, nil
func (hbu *httpBlobUpload) Size() int64 {
return hbu.offset
}
func (hbu *httpBlobUpload) ID() string {