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move Backend interface to backend package

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This commit is contained in:
Michael Eischer
2023-10-01 11:40:12 +02:00
parent ceb0774af1
commit 1b8a67fe76
105 changed files with 822 additions and 775 deletions
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28
internal/backend/b2/b2.go
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@@ -9,12 +9,12 @@ import (
"sync"
"time"
"github.com/restic/restic/internal/backend"
"github.com/restic/restic/internal/backend/layout"
"github.com/restic/restic/internal/backend/location"
"github.com/restic/restic/internal/backend/util"
"github.com/restic/restic/internal/debug"
"github.com/restic/restic/internal/errors"
"github.com/restic/restic/internal/restic"
"github.com/Backblaze/blazer/b2"
"github.com/Backblaze/blazer/base"
@@ -34,8 +34,8 @@ type b2Backend struct {
// Billing happens in 1000 item granlarity, but we are more interested in reducing the number of network round trips
const defaultListMaxItems = 10 * 1000
// ensure statically that *b2Backend implements restic.Backend.
var _ restic.Backend = &b2Backend{}
// ensure statically that *b2Backend implements backend.Backend.
var _ backend.Backend = &b2Backend{}
func NewFactory() location.Factory {
return location.NewHTTPBackendFactory("b2", ParseConfig, location.NoPassword, Create, Open)
@@ -85,7 +85,7 @@ func newClient(ctx context.Context, cfg Config, rt http.RoundTripper) (*b2.Clien
}
// Open opens a connection to the B2 service.
func Open(ctx context.Context, cfg Config, rt http.RoundTripper) (restic.Backend, error) {
func Open(ctx context.Context, cfg Config, rt http.RoundTripper) (backend.Backend, error) {
debug.Log("cfg %#v", cfg)
ctx, cancel := context.WithCancel(ctx)
@@ -118,7 +118,7 @@ func Open(ctx context.Context, cfg Config, rt http.RoundTripper) (restic.Backend
// Create opens a connection to the B2 service. If the bucket does not exist yet,
// it is created.
func Create(ctx context.Context, cfg Config, rt http.RoundTripper) (restic.Backend, error) {
func Create(ctx context.Context, cfg Config, rt http.RoundTripper) (backend.Backend, error) {
debug.Log("cfg %#v", cfg)
ctx, cancel := context.WithCancel(ctx)
@@ -188,14 +188,14 @@ func (be *b2Backend) IsNotExist(err error) bool {
// Load runs fn with a reader that yields the contents of the file at h at the
// given offset.
func (be *b2Backend) Load(ctx context.Context, h restic.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
func (be *b2Backend) Load(ctx context.Context, h backend.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
return util.DefaultLoad(ctx, h, length, offset, be.openReader, fn)
}
func (be *b2Backend) openReader(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {
func (be *b2Backend) openReader(ctx context.Context, h backend.Handle, length int, offset int64) (io.ReadCloser, error) {
name := be.Layout.Filename(h)
obj := be.bucket.Object(name)
@@ -213,7 +213,7 @@ func (be *b2Backend) openReader(ctx context.Context, h restic.Handle, length int
}
// Save stores data in the backend at the handle.
func (be *b2Backend) Save(ctx context.Context, h restic.Handle, rd restic.RewindReader) error {
func (be *b2Backend) Save(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
@@ -237,18 +237,18 @@ func (be *b2Backend) Save(ctx context.Context, h restic.Handle, rd restic.Rewind
}
// Stat returns information about a blob.
func (be *b2Backend) Stat(ctx context.Context, h restic.Handle) (bi restic.FileInfo, err error) {
func (be *b2Backend) Stat(ctx context.Context, h backend.Handle) (bi backend.FileInfo, err error) {
name := be.Filename(h)
obj := be.bucket.Object(name)
info, err := obj.Attrs(ctx)
if err != nil {
return restic.FileInfo{}, errors.Wrap(err, "Stat")
return backend.FileInfo{}, errors.Wrap(err, "Stat")
}
return restic.FileInfo{Size: info.Size, Name: h.Name}, nil
return backend.FileInfo{Size: info.Size, Name: h.Name}, nil
}
// Remove removes the blob with the given name and type.
func (be *b2Backend) Remove(ctx context.Context, h restic.Handle) error {
func (be *b2Backend) Remove(ctx context.Context, h backend.Handle) error {
// the retry backend will also repeat the remove method up to 10 times
for i := 0; i < 3; i++ {
obj := be.bucket.Object(be.Filename(h))
@@ -284,7 +284,7 @@ func (be *b2Backend) Remove(ctx context.Context, h restic.Handle) error {
}
// List returns a channel that yields all names of blobs of type t.
func (be *b2Backend) List(ctx context.Context, t restic.FileType, fn func(restic.FileInfo) error) error {
func (be *b2Backend) List(ctx context.Context, t backend.FileType, fn func(backend.FileInfo) error) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
@@ -299,7 +299,7 @@ func (be *b2Backend) List(ctx context.Context, t restic.FileType, fn func(restic
return err
}
fi := restic.FileInfo{
fi := backend.FileInfo{
Name: path.Base(obj.Name()),
Size: attrs.Size,
}