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refactor torrent
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This commit is contained in:
royalcat 2024-05-20 00:24:09 +03:00
parent 99cdd5471e
commit 991c15fdef
33 changed files with 223 additions and 275 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
.gqlgen.yml
View file

@ -33,7 +33,7 @@ models:
resolver: true
extraFields:
T:
type: "*git.kmsign.ru/royalcat/tstor/src/host/controller.Torrent"
type: "*git.kmsign.ru/royalcat/tstor/src/host/torrent.Controller"
TorrentFile:
extraFields:
F:
@ -57,7 +57,7 @@ models:
resolver: true
extraFields:
FS:
type: "*git.kmsign.ru/royalcat/tstor/src/host/vfs.TorrentFS"
type: "*git.kmsign.ru/royalcat/tstor/src/host/torrent.TorrentFS"
ResolverFS:
fields:
entries:

8
cmd/tstor/main.go
View file

@ -19,7 +19,7 @@ import (
"git.kmsign.ru/royalcat/tstor/src/config"
"git.kmsign.ru/royalcat/tstor/src/delivery"
"git.kmsign.ru/royalcat/tstor/src/host"
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"git.kmsign.ru/royalcat/tstor/src/telemetry"
"github.com/go-git/go-billy/v5/osfs"
@ -90,12 +90,12 @@ func run(configPath string) error {
}
sourceFs := osfs.New(conf.SourceDir, osfs.WithBoundOS())
srv, err := service.New(sourceFs, conf.TorrentClient)
srv, err := torrent.NewService(sourceFs, conf.TorrentClient)
if err != nil {
return fmt.Errorf("error creating service: %w", err)
}
sfs := host.NewTorrentStorage(
sfs := host.NewHostedFS(
vfs.NewCtxBillyFs("/", ctxbilly.WrapFileSystem(sourceFs)),
srv,
)
@ -174,7 +174,7 @@ func run(configPath string) error {
go func() {
logFilename := filepath.Join(conf.Log.Path, "logs")
err := delivery.New(nil, service.NewStats(), srv, sfs, logFilename, conf)
err := delivery.New(nil, srv, sfs, logFilename, conf)
if err != nil {
log.Error(ctx, "error initializing HTTP server", rlog.Error(err))
}

4
src/delivery/api.go
View file

@ -7,12 +7,12 @@ import (
"net/http"
"os"
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"github.com/anacrolix/missinggo/v2/filecache"
"github.com/gin-gonic/gin"
)
var apiStatusHandler = func(fc *filecache.Cache, ss *service.Stats) gin.HandlerFunc {
var apiStatusHandler = func(fc *filecache.Cache, ss *torrent.Stats) gin.HandlerFunc {
return func(ctx *gin.Context) {
stat := gin.H{
"torrentStats": ss.GlobalStats(),

5
src/delivery/graphql/model/entry.go
View file

@ -3,6 +3,7 @@ package model
import (
"context"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
)
@ -26,8 +27,8 @@ func FillFsEntry(ctx context.Context, e FsElem, fs vfs.Filesystem, path string)
Name: e.Name(),
FS: e,
}, nil
case *vfs.TorrentFS:
e := e.(*vfs.TorrentFS)
case *torrent.TorrentFS:
e := e.(*torrent.TorrentFS)
torrent, err := MapTorrent(ctx, e.Torrent)
if err != nil {
return nil, err

24
src/delivery/graphql/model/mappers.go
View file

@ -3,39 +3,39 @@ package model
import (
"context"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"github.com/anacrolix/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
atorrent "github.com/anacrolix/torrent"
)
func MapPeerSource(source torrent.PeerSource) string {
func MapPeerSource(source atorrent.PeerSource) string {
switch source {
case torrent.PeerSourceDirect:
case atorrent.PeerSourceDirect:
return "Direct"
case torrent.PeerSourceUtHolepunch:
case atorrent.PeerSourceUtHolepunch:
return "Ut Holepunch"
case torrent.PeerSourceDhtAnnouncePeer:
case atorrent.PeerSourceDhtAnnouncePeer:
return "DHT Announce"
case torrent.PeerSourceDhtGetPeers:
case atorrent.PeerSourceDhtGetPeers:
return "DHT"
case torrent.PeerSourceIncoming:
case atorrent.PeerSourceIncoming:
return "Incoming"
case torrent.PeerSourceTracker:
case atorrent.PeerSourceTracker:
return "Tracker"
case torrent.PeerSourcePex:
case atorrent.PeerSourcePex:
return "PEX"
default:
return "Unknown"
}
}
func MapTorrent(ctx context.Context, t *controller.Torrent) (*Torrent, error) {
func MapTorrent(ctx context.Context, t *torrent.Controller) (*Torrent, error) {
downloading := false
files, err := t.Files(ctx)
if err != nil {
return nil, err
}
for _, file := range files {
if file.Priority() > torrent.PiecePriorityNone && file.BytesCompleted() < file.Length() {
if file.Priority() > atorrent.PiecePriorityNone && file.BytesCompleted() < file.Length() {
downloading = true
break
}

34
src/delivery/graphql/model/models_gen.go
View file

@ -5,9 +5,9 @@ package model
import (
"time"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/anacrolix/torrent"
torrent1 "github.com/anacrolix/torrent"
)
type Dir interface {
@ -180,14 +180,14 @@ type Torrent struct {
ExcludedFiles []*TorrentFile `json:"excludedFiles"`
Peers []*TorrentPeer `json:"peers"`
Downloading bool `json:"downloading"`
T *controller.Torrent `json:"-"`
T *torrent.Controller `json:"-"`
}
type TorrentFs struct {
Name string `json:"name"`
Torrent *Torrent `json:"torrent"`
Entries []FsEntry `json:"entries"`
FS *vfs.TorrentFS `json:"-"`
Name string `json:"name"`
Torrent *Torrent `json:"torrent"`
Entries []FsEntry `json:"entries"`
FS *torrent.TorrentFS `json:"-"`
}
func (TorrentFs) IsDir() {}
@ -206,10 +206,10 @@ func (this TorrentFs) GetEntries() []FsEntry {
func (TorrentFs) IsFsEntry() {}
type TorrentFile struct {
Filename string `json:"filename"`
Size int64 `json:"size"`
BytesCompleted int64 `json:"bytesCompleted"`
F *torrent.File `json:"-"`
Filename string `json:"filename"`
Size int64 `json:"size"`
BytesCompleted int64 `json:"bytesCompleted"`
F *torrent1.File `json:"-"`
}
type TorrentFileEntry struct {
@ -230,12 +230,12 @@ type TorrentFilter struct {
}
type TorrentPeer struct {
IP string `json:"ip"`
DownloadRate float64 `json:"downloadRate"`
Discovery string `json:"discovery"`
Port int64 `json:"port"`
ClientName string `json:"clientName"`
F *torrent.PeerConn `json:"-"`
IP string `json:"ip"`
DownloadRate float64 `json:"downloadRate"`
Discovery string `json:"discovery"`
Port int64 `json:"port"`
ClientName string `json:"clientName"`
F *torrent1.PeerConn `json:"-"`
}
type TorrentProgress struct {

4
src/delivery/graphql/resolver/mutation.resolvers.go
View file

@ -14,7 +14,7 @@ import (
"git.kmsign.ru/royalcat/tstor/pkg/uuid"
graph "git.kmsign.ru/royalcat/tstor/src/delivery/graphql"
"git.kmsign.ru/royalcat/tstor/src/delivery/graphql/model"
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"github.com/99designs/gqlgen/graphql"
aih "github.com/anacrolix/torrent/types/infohash"
)
@ -79,7 +79,7 @@ func (r *mutationResolver) DownloadTorrent(ctx context.Context, infohash string,
f = *file
}
err := r.Service.Download(ctx, &service.TorrentDownloadTask{
err := r.Service.Download(ctx, &torrent.DownloadTask{
ID: uuid.New(),
InfoHash: aih.FromHexString(infohash),
File: f,

4
src/delivery/graphql/resolver/query.resolvers.go
View file

@ -11,7 +11,7 @@ import (
graph "git.kmsign.ru/royalcat/tstor/src/delivery/graphql"
"git.kmsign.ru/royalcat/tstor/src/delivery/graphql/model"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
)
// Torrents is the resolver for the torrents field.
@ -80,7 +80,7 @@ func (r *queryResolver) Torrents(ctx context.Context, filter *model.TorrentsFilt
tr = append(tr, d)
}
slices.SortStableFunc(torrents, func(t1, t2 *controller.Torrent) int {
slices.SortStableFunc(torrents, func(t1, t2 *torrent.Controller) int {
return strings.Compare(t1.Name(), t2.Name())
})

4
src/delivery/graphql/resolver/resolver.go
View file

@ -1,7 +1,7 @@
package resolver
import (
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/go-git/go-billy/v5"
)
@ -11,7 +11,7 @@ import (
// It serves as dependency injection for your app, add any dependencies you require here.
type Resolver struct {
Service *service.Service
Service *torrent.Service
VFS vfs.Filesystem
SourceFS billy.Filesystem
}

4
src/delivery/http.go
View file

@ -7,7 +7,7 @@ import (
"git.kmsign.ru/royalcat/tstor/pkg/rlog"
"git.kmsign.ru/royalcat/tstor/src/config"
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/anacrolix/missinggo/v2/filecache"
echopprof "github.com/labstack/echo-contrib/pprof"
@ -15,7 +15,7 @@ import (
"github.com/labstack/echo/v4/middleware"
)
func New(fc *filecache.Cache, ss *service.Stats, s *service.Service, vfs vfs.Filesystem, logPath string, cfg *config.Settings) error {
func New(fc *filecache.Cache, s *torrent.Service, vfs vfs.Filesystem, logPath string, cfg *config.Settings) error {
log := slog.With()
r := echo.New()

4
src/delivery/router.go
View file

@ -8,7 +8,7 @@ import (
"git.kmsign.ru/royalcat/tstor/pkg/rlog"
graph "git.kmsign.ru/royalcat/tstor/src/delivery/graphql"
"git.kmsign.ru/royalcat/tstor/src/delivery/graphql/resolver"
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/99designs/gqlgen/graphql"
"github.com/99designs/gqlgen/graphql/handler"
@ -18,7 +18,7 @@ import (
"github.com/ravilushqa/otelgqlgen"
)
func GraphQLHandler(service *service.Service, vfs vfs.Filesystem) http.Handler {
func GraphQLHandler(service *torrent.Service, vfs vfs.Filesystem) http.Handler {
graphqlHandler := handler.NewDefaultServer(
graph.NewExecutableSchema(
graph.Config{

4
src/export/webdav/fs.go
View file

@ -97,7 +97,7 @@ func newFile(ctx context.Context, name string, f vfs.File, df func() ([]os.FileI
return &webDAVFile{
ctx: ctx,
f: f,
fi: newFileInfo(name, f.Size(), f.IsDir()),
fi: NewFileInfo(name, f.Size(), f.IsDir()),
dirFunc: df,
}
}
@ -185,7 +185,7 @@ type webDAVFileInfo struct {
isDir bool
}
func newFileInfo(name string, size int64, isDir bool) *webDAVFileInfo {
func NewFileInfo(name string, size int64, isDir bool) *webDAVFileInfo {
return &webDAVFileInfo{
name: name,
size: size,

4
src/host/storage.go
View file

@ -1,11 +1,11 @@
package host
import (
"git.kmsign.ru/royalcat/tstor/src/host/service"
"git.kmsign.ru/royalcat/tstor/src/host/torrent"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
)
func NewTorrentStorage(sourceFS vfs.Filesystem, tsrv *service.Service) vfs.Filesystem {
func NewHostedFS(sourceFS vfs.Filesystem, tsrv *torrent.Service) vfs.Filesystem {
factories := map[string]vfs.FsFactory{
".torrent": tsrv.NewTorrentFs,
}

33
src/host/controller/torrent.go → src/host/torrent/controller.go
View file

@ -1,33 +1,32 @@
package controller
package torrent
import (
"context"
"slices"
"strings"
"git.kmsign.ru/royalcat/tstor/src/host/store"
"github.com/anacrolix/torrent"
)
type Torrent struct {
type Controller struct {
torrentFilePath string
t *torrent.Torrent
rep *store.FilesMappings
rep *filesMappingsStore
}
func NewTorrent(t *torrent.Torrent, rep *store.FilesMappings) *Torrent {
return &Torrent{t: t, rep: rep}
func newController(t *torrent.Torrent, rep *filesMappingsStore) *Controller {
return &Controller{t: t, rep: rep}
}
func (s *Torrent) TorrentFilePath() string {
func (s *Controller) TorrentFilePath() string {
return s.torrentFilePath
}
func (s *Torrent) Torrent() *torrent.Torrent {
func (s *Controller) Torrent() *torrent.Torrent {
return s.t
}
func (c *Torrent) Name() string {
func (c *Controller) Name() string {
<-c.t.GotInfo()
if name := c.t.Name(); name != "" {
return name
@ -36,27 +35,27 @@ func (c *Torrent) Name() string {
return c.InfoHash()
}
func (s *Torrent) InfoHash() string {
func (s *Controller) InfoHash() string {
<-s.t.GotInfo()
return s.t.InfoHash().HexString()
}
func (s *Torrent) BytesCompleted() int64 {
func (s *Controller) BytesCompleted() int64 {
<-s.t.GotInfo()
return s.t.BytesCompleted()
}
func (s *Torrent) BytesMissing() int64 {
func (s *Controller) BytesMissing() int64 {
<-s.t.GotInfo()
return s.t.BytesMissing()
}
func (s *Torrent) Length() int64 {
func (s *Controller) Length() int64 {
<-s.t.GotInfo()
return s.t.Length()
}
func (s *Torrent) Files(ctx context.Context) ([]*torrent.File, error) {
func (s *Controller) Files(ctx context.Context) ([]*torrent.File, error) {
fileMappings, err := s.rep.FileMappings(ctx, s.t.InfoHash())
if err != nil {
return nil, err
@ -95,11 +94,11 @@ func Map[T, U any](ts []T, f func(T) U) []U {
return us
}
func (s *Torrent) ExcludeFile(ctx context.Context, f *torrent.File) error {
func (s *Controller) ExcludeFile(ctx context.Context, f *torrent.File) error {
return s.rep.ExcludeFile(ctx, f)
}
func (s *Torrent) isFileComplete(startIndex int, endIndex int) bool {
func (s *Controller) isFileComplete(startIndex int, endIndex int) bool {
for i := startIndex; i < endIndex; i++ {
if !s.t.Piece(i).State().Complete {
return false
@ -108,7 +107,7 @@ func (s *Torrent) isFileComplete(startIndex int, endIndex int) bool {
return true
}
func (s *Torrent) ValidateTorrent() error {
func (s *Controller) ValidateTorrent() error {
<-s.t.GotInfo()
s.t.VerifyData()
return nil

19
src/host/store/file-mappings.go → src/host/torrent/file_mappings.go
View file

@ -1,8 +1,7 @@
package store
package torrent
import (
"context"
"errors"
"path/filepath"
"github.com/anacrolix/torrent"
@ -10,13 +9,13 @@ import (
"github.com/royalcat/kv"
)
func NewFileMappings(metaDir string, storage TorrentFileDeleter) (*FilesMappings, error) {
func newFileMappingsStore(metaDir string, storage TorrentFileDeleter) (*filesMappingsStore, error) {
str, err := kv.NewBadgerKVBytes[string, string](filepath.Join(metaDir, "file-mappings"))
if err != nil {
return nil, err
}
r := &FilesMappings{
r := &filesMappingsStore{
mappings: str,
storage: storage,
}
@ -24,13 +23,11 @@ func NewFileMappings(metaDir string, storage TorrentFileDeleter) (*FilesMappings
return r, nil
}
type FilesMappings struct {
type filesMappingsStore struct {
mappings kv.Store[string, string]
storage TorrentFileDeleter
}
var ErrNotFound = errors.New("not found")
type TorrentFileDeleter interface {
DeleteFile(file *torrent.File) error
}
@ -39,15 +36,15 @@ func fileKey(file *torrent.File) string {
return file.Torrent().InfoHash().HexString() + "/" + file.Path()
}
func (r *FilesMappings) MapFile(ctx context.Context, file *torrent.File, target string) error {
func (r *filesMappingsStore) MapFile(ctx context.Context, file *torrent.File, target string) error {
return r.mappings.Set(ctx, fileKey(file), target)
}
func (r *FilesMappings) ExcludeFile(ctx context.Context, file *torrent.File) error {
func (r *filesMappingsStore) ExcludeFile(ctx context.Context, file *torrent.File) error {
return r.mappings.Set(ctx, fileKey(file), "")
}
func (r *FilesMappings) FileMappings(ctx context.Context, ih infohash.T) (map[string]string, error) {
func (r *filesMappingsStore) FileMappings(ctx context.Context, ih infohash.T) (map[string]string, error) {
out := map[string]string{}
err := r.mappings.RangeWithPrefix(ctx, ih.HexString(), func(k, v string) bool {
out[k] = v
@ -56,6 +53,6 @@ func (r *FilesMappings) FileMappings(ctx context.Context, ih infohash.T) (map[st
return out, err
}
func (r *FilesMappings) Close(ctx context.Context) error {
func (r *filesMappingsStore) Close(ctx context.Context) error {
return r.mappings.Close(ctx)
}

115
src/host/vfs/torrent.go → src/host/torrent/fs.go
View file

@ -1,4 +1,4 @@
package vfs
package torrent
import (
"context"
@ -12,7 +12,7 @@ import (
"sync/atomic"
"time"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/anacrolix/torrent"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
@ -23,23 +23,35 @@ type TorrentFS struct {
name string
mu sync.Mutex
Torrent *controller.Torrent
Torrent *Controller
filesCache map[string]File
filesCache map[string]vfs.File
lastAccessTimeout atomic.Pointer[time.Time]
resolver *resolver
resolver *vfs.Resolver
}
var _ Filesystem = (*TorrentFS)(nil)
var _ vfs.Filesystem = (*TorrentFS)(nil)
func NewTorrentFs(name string, c *controller.Torrent) *TorrentFS {
return &TorrentFS{
name: name,
Torrent: c,
resolver: newResolver(ArchiveFactories),
func (s *Service) NewTorrentFs(ctx context.Context, f vfs.File) (vfs.Filesystem, error) {
defer f.Close(ctx)
info, err := f.Info()
if err != nil {
return nil, err
}
c, err := s.LoadTorrent(ctx, f)
if err != nil {
return nil, err
}
return &TorrentFS{
name: info.Name(),
Torrent: c,
resolver: vfs.NewResolver(vfs.ArchiveFactories),
}, nil
}
var _ fs.DirEntry = (*TorrentFS)(nil)
@ -89,7 +101,7 @@ func (tfs *TorrentFS) FsName() string {
return "torrentfs"
}
func (fs *TorrentFS) files(ctx context.Context) (map[string]File, error) {
func (fs *TorrentFS) files(ctx context.Context) (map[string]vfs.File, error) {
fs.mu.Lock()
defer fs.mu.Unlock()
@ -105,10 +117,10 @@ func (fs *TorrentFS) files(ctx context.Context) (map[string]File, error) {
return nil, err
}
fs.filesCache = make(map[string]File)
fs.filesCache = make(map[string]vfs.File)
for _, file := range files {
file.SetPriority(torrent.PiecePriorityNormal)
p := AbsPath(file.Path())
p := vfs.AbsPath(file.Path())
tf, err := openTorrentFile(ctx, path.Base(p), file)
if err != nil {
return nil, err
@ -117,17 +129,17 @@ func (fs *TorrentFS) files(ctx context.Context) (map[string]File, error) {
}
// TODO optional
if len(fs.filesCache) == 1 && fs.resolver.isNestedFs(fs.Torrent.Name()) {
if len(fs.filesCache) == 1 && fs.resolver.IsNestedFs(fs.Torrent.Name()) {
filepath := "/" + fs.Torrent.Name()
if file, ok := fs.filesCache[filepath]; ok {
nestedFs, err := fs.resolver.nestedFs(ctx, filepath, file)
nestedFs, err := fs.resolver.NestedFs(ctx, filepath, file)
if err != nil {
return nil, err
}
if nestedFs == nil {
goto DEFAULT_DIR // FIXME
}
fs.filesCache, err = fs.listFilesRecursive(ctx, nestedFs, "/")
fs.filesCache, err = listFilesRecursive(ctx, nestedFs, "/")
if err != nil {
return nil, err
}
@ -149,7 +161,7 @@ DEFAULT_DIR:
for k, f := range fs.filesCache {
delete(fs.filesCache, k)
k, _ = strings.CutPrefix(k, rootDir)
k = AbsPath(k)
k = vfs.AbsPath(k)
fs.filesCache[k] = f
}
}
@ -157,45 +169,22 @@ DEFAULT_DIR:
return fs.filesCache, nil
}
// func anyPeerHasFiles(file *torrent.File) bool {
// for _, conn := range file.Torrent().PeerConns() {
// if bitmapHaveFile(conn.PeerPieces(), file) {
// return true
// }
// }
// return false
// }
// func bitmapHaveFile(bitmap *roaring.Bitmap, file *torrent.File) bool {
// for i := file.BeginPieceIndex(); i < file.EndPieceIndex(); i++ {
// if !bitmap.ContainsInt(i) {
// return false
// }
// }
// return true
// }
func (fs *TorrentFS) listFilesRecursive(ctx context.Context, vfs Filesystem, start string) (map[string]File, error) {
ctx, span := tracer.Start(ctx, "listFilesRecursive",
fs.traceAttrs(attribute.String("start", start)),
)
defer span.End()
out := make(map[string]File, 0)
entries, err := vfs.ReadDir(ctx, start)
func listFilesRecursive(ctx context.Context, fs vfs.Filesystem, start string) (map[string]vfs.File, error) {
out := make(map[string]vfs.File, 0)
entries, err := fs.ReadDir(ctx, start)
if err != nil {
return nil, err
}
for _, entry := range entries {
filename := path.Join(start, entry.Name())
if entry.IsDir() {
rec, err := fs.listFilesRecursive(ctx, vfs, filename)
rec, err := listFilesRecursive(ctx, fs, filename)
if err != nil {
return nil, err
}
maps.Copy(out, rec)
} else {
file, err := vfs.Open(ctx, filename)
file, err := fs.Open(ctx, filename)
if err != nil {
return nil, err
}
@ -206,7 +195,7 @@ func (fs *TorrentFS) listFilesRecursive(ctx context.Context, vfs Filesystem, sta
return out, nil
}
func (fs *TorrentFS) rawOpen(ctx context.Context, filename string) (file File, err error) {
func (fs *TorrentFS) rawOpen(ctx context.Context, filename string) (file vfs.File, err error) {
ctx, span := tracer.Start(ctx, "rawOpen",
fs.traceAttrs(attribute.String("filename", filename)),
)
@ -221,7 +210,7 @@ func (fs *TorrentFS) rawOpen(ctx context.Context, filename string) (file File, e
if err != nil {
return nil, err
}
file, err = getFile(files, filename)
file, err = vfs.GetFile(files, filename)
return file, err
}
@ -236,7 +225,7 @@ func (fs *TorrentFS) rawStat(ctx context.Context, filename string) (fs.FileInfo,
return nil, err
}
file, err := getFile(files, filename)
file, err := vfs.GetFile(files, filename)
if err != nil {
return nil, err
}
@ -258,11 +247,11 @@ func (tfs *TorrentFS) Stat(ctx context.Context, filename string) (fs.FileInfo, e
)
defer span.End()
if isRoot(filename) {
if vfs.IsRoot(filename) {
return tfs, nil
}
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.resolvePath(ctx, filename, tfs.rawOpen)
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.ResolvePath(ctx, filename, tfs.rawOpen)
if err != nil {
return nil, err
}
@ -287,17 +276,17 @@ func (tfs *TorrentFS) Stat(ctx context.Context, filename string) (fs.FileInfo, e
return tfs.rawStat(ctx, fsPath)
}
func (tfs *TorrentFS) Open(ctx context.Context, filename string) (file File, err error) {
func (tfs *TorrentFS) Open(ctx context.Context, filename string) (file vfs.File, err error) {
ctx, span := tracer.Start(ctx, "Open",
tfs.traceAttrs(attribute.String("filename", filename)),
)
defer span.End()
if isRoot(filename) {
return newDirFile(tfs.name), nil
if vfs.IsRoot(filename) {
return vfs.NewDirFile(tfs.name), nil
}
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.resolvePath(ctx, filename, tfs.rawOpen)
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.ResolvePath(ctx, filename, tfs.rawOpen)
if err != nil {
return nil, err
}
@ -328,7 +317,7 @@ func (tfs *TorrentFS) ReadDir(ctx context.Context, name string) ([]fs.DirEntry,
)
defer span.End()
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.resolvePath(ctx, name, tfs.rawOpen)
fsPath, nestedFs, nestedFsPath, err := tfs.resolver.ResolvePath(ctx, name, tfs.rawOpen)
if err != nil {
return nil, err
}
@ -354,7 +343,7 @@ func (tfs *TorrentFS) ReadDir(ctx context.Context, name string) ([]fs.DirEntry,
return nil, err
}
return listDirFromFiles(files, fsPath)
return vfs.ListDirFromFiles(files, fsPath)
}
func (fs *TorrentFS) Unlink(ctx context.Context, name string) error {
@ -363,7 +352,7 @@ func (fs *TorrentFS) Unlink(ctx context.Context, name string) error {
)
defer span.End()
name = AbsPath(name)
name = vfs.AbsPath(name)
fs.mu.Lock()
defer fs.mu.Unlock()
@ -374,7 +363,7 @@ func (fs *TorrentFS) Unlink(ctx context.Context, name string) error {
}
if !slices.Contains(maps.Keys(files), name) {
return ErrNotExist
return vfs.ErrNotExist
}
file := files[name]
@ -382,13 +371,13 @@ func (fs *TorrentFS) Unlink(ctx context.Context, name string) error {
tfile, ok := file.(*torrentFile)
if !ok {
return ErrNotImplemented
return vfs.ErrNotImplemented
}
return fs.Torrent.ExcludeFile(ctx, tfile.file)
}
var _ File = (*torrentFile)(nil)
var _ vfs.File = (*torrentFile)(nil)
type torrentFile struct {
name string
@ -437,11 +426,11 @@ func (tf *torrentFile) Name() string {
// Type implements File.
func (tf *torrentFile) Type() fs.FileMode {
return roMode | fs.ModeDir
return vfs.ROMode | fs.ModeDir
}
func (tf *torrentFile) Info() (fs.FileInfo, error) {
return newFileInfo(tf.name, tf.file.Length()), nil
return vfs.NewFileInfo(tf.name, tf.file.Length()), nil
}
func (tf *torrentFile) Size() int64 {

2
src/host/vfs/torrent_test.go → src/host/torrent/fs_test.go
View file

@ -1,4 +1,4 @@
package vfs
package torrent
import (
"os"

25
src/host/store/info.go → src/host/torrent/infobytes.go
View file

@ -1,7 +1,8 @@
package store
package torrent
import (
"bytes"
"errors"
"fmt"
"log/slog"
"path/filepath"
@ -12,11 +13,13 @@ import (
"github.com/dgraph-io/badger/v4"
)
type InfoBytes struct {
var errNotFound = errors.New("not found")
type infoBytesStore struct {
db *badger.DB
}
func NewInfoBytes(metaDir string) (*InfoBytes, error) {
func newInfoBytesStore(metaDir string) (*infoBytesStore, error) {
l := slog.With("component", "badger", "db", "info-bytes")
opts := badger.
@ -26,16 +29,16 @@ func NewInfoBytes(metaDir string) (*InfoBytes, error) {
if err != nil {
return nil, err
}
return &InfoBytes{db}, nil
return &infoBytesStore{db}, nil
}
func (k *InfoBytes) GetBytes(ih infohash.T) ([]byte, error) {
func (k *infoBytesStore) GetBytes(ih infohash.T) ([]byte, error) {
var data []byte
err := k.db.View(func(tx *badger.Txn) error {
item, err := tx.Get(ih.Bytes())
if err != nil {
if err == badger.ErrKeyNotFound {
return ErrNotFound
return errNotFound
}
return fmt.Errorf("error getting value: %w", err)
@ -47,7 +50,7 @@ func (k *InfoBytes) GetBytes(ih infohash.T) ([]byte, error) {
return data, err
}
func (k *InfoBytes) Get(ih infohash.T) (*metainfo.MetaInfo, error) {
func (k *infoBytesStore) Get(ih infohash.T) (*metainfo.MetaInfo, error) {
data, err := k.GetBytes(ih)
if err != nil {
return nil, err
@ -56,7 +59,7 @@ func (k *InfoBytes) Get(ih infohash.T) (*metainfo.MetaInfo, error) {
return metainfo.Load(bytes.NewReader(data))
}
func (me *InfoBytes) SetBytes(ih infohash.T, data []byte) error {
func (me *infoBytesStore) SetBytes(ih infohash.T, data []byte) error {
return me.db.Update(func(txn *badger.Txn) error {
item, err := txn.Get(ih.Bytes())
if err != nil {
@ -75,16 +78,16 @@ func (me *InfoBytes) SetBytes(ih infohash.T, data []byte) error {
})
}
func (me *InfoBytes) Set(ih infohash.T, info metainfo.MetaInfo) error {
func (me *infoBytesStore) Set(ih infohash.T, info metainfo.MetaInfo) error {
return me.SetBytes(ih, info.InfoBytes)
}
func (k *InfoBytes) Delete(ih infohash.T) error {
func (k *infoBytesStore) Delete(ih infohash.T) error {
return k.db.Update(func(txn *badger.Txn) error {
return txn.Delete(ih.Bytes())
})
}
func (me *InfoBytes) Close() error {
func (me *infoBytesStore) Close() error {
return me.db.Close()
}

11
src/host/datastorage/piece_storage.go → src/host/torrent/piece_storage.go
View file

@ -1,4 +1,4 @@
package datastorage
package torrent
import (
"context"
@ -7,8 +7,7 @@ import (
"os"
"path"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"github.com/anacrolix/torrent"
atorrent "github.com/anacrolix/torrent"
"github.com/anacrolix/torrent/metainfo"
"github.com/anacrolix/torrent/storage"
"github.com/anacrolix/torrent/types/infohash"
@ -81,17 +80,17 @@ func (p *PieceStorage) Close() error {
}
// DeleteFile implements FileStorageDeleter.
func (p *PieceStorage) DeleteFile(file *torrent.File) error {
func (p *PieceStorage) DeleteFile(file *atorrent.File) error {
return fmt.Errorf("not implemented")
}
// CleanupDirs implements DataStorage.
func (p *PieceStorage) CleanupDirs(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error) {
func (p *PieceStorage) CleanupDirs(ctx context.Context, expected []*Controller, dryRun bool) (int, error) {
return 0, nil // TODO
}
// CleanupFiles implements DataStorage.
func (p *PieceStorage) CleanupFiles(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error) {
func (p *PieceStorage) CleanupFiles(ctx context.Context, expected []*Controller, dryRun bool) (int, error) {
return 0, nil // TODO
}

11
src/host/service/queue.go → src/host/torrent/queue.go
View file

@ -1,22 +1,21 @@
package service
package torrent
import (
"context"
"fmt"
"git.kmsign.ru/royalcat/tstor/pkg/uuid"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"github.com/anacrolix/torrent"
"github.com/anacrolix/torrent/types/infohash"
)
type TorrentDownloadTask struct {
type DownloadTask struct {
ID uuid.UUID
InfoHash infohash.T
File string
}
func (s *Service) Download(ctx context.Context, task *TorrentDownloadTask) error {
func (s *Service) Download(ctx context.Context, task *DownloadTask) error {
t, ok := s.client.Torrent(task.InfoHash)
if !ok {
return fmt.Errorf("torrent with IH %s not found", task.InfoHash.HexString())
@ -97,7 +96,7 @@ func (s *Service) Download(ctx context.Context, task *TorrentDownloadTask) error
// }
type TorrentProgress struct {
Torrent *controller.Torrent
Torrent *Controller
Current int64
Total int64
}
@ -113,7 +112,7 @@ func (s *Service) DownloadProgress(ctx context.Context) (<-chan TorrentProgress,
defer close(out)
for _, t := range torrents {
sub := t.Torrent().SubscribePieceStateChanges()
go func(t *controller.Torrent) {
go func(t *Controller) {
for stateChange := range sub.Values {
if !stateChange.Complete && !stateChange.Partial {
continue

62
src/host/service/service.go → src/host/torrent/service.go
View file

@ -1,4 +1,4 @@
package service
package torrent
import (
"bufio"
@ -16,8 +16,6 @@ import (
"git.kmsign.ru/royalcat/tstor/pkg/ctxio"
"git.kmsign.ru/royalcat/tstor/pkg/rlog"
"git.kmsign.ru/royalcat/tstor/src/config"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"git.kmsign.ru/royalcat/tstor/src/host/datastorage"
"git.kmsign.ru/royalcat/tstor/src/host/store"
"git.kmsign.ru/royalcat/tstor/src/host/tkv"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
@ -35,7 +33,7 @@ import (
"github.com/royalcat/kv"
)
var tracer = otel.Tracer("git.kmsign.ru/royalcat/tstor/src/service")
var tracer = otel.Tracer("git.kmsign.ru/royalcat/tstor/host/torrent")
type DirAquire struct {
Name string
@ -44,9 +42,9 @@ type DirAquire struct {
type Service struct {
client *torrent.Client
excludedFiles *store.FilesMappings
infoBytes *store.InfoBytes
Storage *datastorage.DataStorage
excludedFiles *filesMappingsStore
infoBytes *infoBytesStore
Storage *DataStorage
fis *store.FileItemStore
dirsAquire kv.Store[string, DirAquire]
@ -58,7 +56,7 @@ type Service struct {
log *rlog.Logger
}
func New(sourceFs billy.Filesystem, conf config.TorrentClient) (*Service, error) {
func NewService(sourceFs billy.Filesystem, conf config.TorrentClient) (*Service, error) {
s := &Service{
log: rlog.Component("torrent-service"),
sourceFs: sourceFs,
@ -76,17 +74,17 @@ func New(sourceFs billy.Filesystem, conf config.TorrentClient) (*Service, error)
return nil, fmt.Errorf("error starting item store: %w", err)
}
s.Storage, _, err = datastorage.Setup(conf)
s.Storage, _, err = setupStorage(conf)
if err != nil {
return nil, err
}
s.excludedFiles, err = store.NewFileMappings(conf.MetadataFolder, s.Storage)
s.excludedFiles, err = newFileMappingsStore(conf.MetadataFolder, s.Storage)
if err != nil {
return nil, err
}
s.infoBytes, err = store.NewInfoBytes(conf.MetadataFolder)
s.infoBytes, err = newInfoBytesStore(conf.MetadataFolder)
if err != nil {
return nil, err
}
@ -132,7 +130,7 @@ func (s *Service) Close(ctx context.Context) error {
)...)
}
func (s *Service) LoadTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent, error) {
func (s *Service) LoadTorrent(ctx context.Context, f vfs.File) (*Controller, error) {
ctx, span := tracer.Start(ctx, "LoadTorrent")
defer span.End()
log := s.log
@ -171,7 +169,7 @@ func (s *Service) LoadTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent
if len(infoBytes) == 0 {
log.Info(ctx, "no info loaded from file, try to load from cache")
infoBytes, err = s.infoBytes.GetBytes(spec.InfoHash)
if err != nil && err != store.ErrNotFound {
if err != nil && err != errNotFound {
return nil, fmt.Errorf("get info bytes from database: %w", err)
}
}
@ -218,7 +216,7 @@ func (s *Service) LoadTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent
}
}
return t, nil
return newController(t, s.excludedFiles), nil
}
func (s *Service) checkTorrentCompatable(ctx context.Context, ih infohash.T, info metainfo.Info) (compatable bool, tryLater bool, err error) {
@ -335,38 +333,12 @@ func (s *Service) checkTorrentFilesCompatable(ctx context.Context, aq DirAquire,
return true
}
// func (s *Service) getTorrentsByName(name string) []*torrent.Torrent {
// out := []*torrent.Torrent{}
// for _, t := range s.c.Torrents() {
// if t.Name() == name {
// out = append(out, t)
// }
// }
// return out
// }
func isValidInfoHashBytes(d []byte) bool {
var info metainfo.Info
err := bencode.Unmarshal(d, &info)
return err == nil
}
func (s *Service) NewTorrentFs(ctx context.Context, f vfs.File) (vfs.Filesystem, error) {
defer f.Close(ctx)
info, err := f.Info()
if err != nil {
return nil, err
}
t, err := s.LoadTorrent(ctx, f)
if err != nil {
return nil, err
}
return vfs.NewTorrentFs(info.Name(), controller.NewTorrent(t, s.excludedFiles)), nil
}
func (s *Service) Stats() (*Stats, error) {
return &Stats{}, nil
}
@ -435,17 +407,17 @@ func (s *Service) loadTorrentFiles(ctx context.Context) error {
})
}
func (s *Service) ListTorrents(ctx context.Context) ([]*controller.Torrent, error) {
func (s *Service) ListTorrents(ctx context.Context) ([]*Controller, error) {
<-s.torrentLoaded
out := []*controller.Torrent{}
out := []*Controller{}
for _, v := range s.client.Torrents() {
out = append(out, controller.NewTorrent(v, s.excludedFiles))
out = append(out, newController(v, s.excludedFiles))
}
return out, nil
}
func (s *Service) GetTorrent(infohashHex string) (*controller.Torrent, error) {
func (s *Service) GetTorrent(infohashHex string) (*Controller, error) {
<-s.torrentLoaded
t, ok := s.client.Torrent(infohash.FromHexString(infohashHex))
@ -453,7 +425,7 @@ func (s *Service) GetTorrent(infohashHex string) (*controller.Torrent, error) {
return nil, nil
}
return controller.NewTorrent(t, s.excludedFiles), nil
return newController(t, s.excludedFiles), nil
}
func slicesUnique[S ~[]E, E comparable](in S) S {

4
src/host/datastorage/setup.go → src/host/torrent/setup.go
View file

@ -1,4 +1,4 @@
package datastorage
package torrent
import (
"fmt"
@ -10,7 +10,7 @@ import (
"github.com/anacrolix/torrent/storage"
)
func Setup(cfg config.TorrentClient) (*DataStorage, storage.PieceCompletion, error) {
func setupStorage(cfg config.TorrentClient) (*DataStorage, storage.PieceCompletion, error) {
pcp := filepath.Join(cfg.MetadataFolder, "piece-completion")
if err := os.MkdirAll(pcp, 0744); err != nil {
return nil, nil, fmt.Errorf("error creating piece completion folder: %w", err)

2
src/host/service/stats.go → src/host/torrent/stats.go
View file

@ -1,4 +1,4 @@
package service
package torrent
import (
"errors"

17
src/host/datastorage/storage.go → src/host/torrent/storage.go
View file

@ -1,4 +1,4 @@
package datastorage
package torrent
import (
"context"
@ -12,27 +12,16 @@ import (
"path/filepath"
"slices"
"git.kmsign.ru/royalcat/tstor/src/host/controller"
"github.com/anacrolix/torrent"
"github.com/anacrolix/torrent/metainfo"
"github.com/anacrolix/torrent/storage"
"github.com/dustin/go-humanize"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"golang.org/x/exp/maps"
"golang.org/x/sys/unix"
)
// type DataStorage interface {
// storage.ClientImplCloser
// DeleteFile(file *torrent.File) error
// CleanupDirs(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error)
// CleanupFiles(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error)
// }
var tracer = otel.Tracer("git.kmsign.ru/royalcat/tstor/src/host/datastorage")
// NewFileStorage creates a new ClientImplCloser that stores files using the OS native filesystem.
func NewFileStorage(baseDir string, pc storage.PieceCompletion) *DataStorage {
return &DataStorage{
@ -100,7 +89,7 @@ func (fs *DataStorage) DeleteFile(file *torrent.File) error {
return os.Remove(filePath)
}
func (fs *DataStorage) CleanupDirs(ctx context.Context, expected []*controller.Torrent, dryRun bool) ([]string, error) {
func (fs *DataStorage) CleanupDirs(ctx context.Context, expected []*Controller, dryRun bool) ([]string, error) {
log := fs.log.With("function", "CleanupDirs", "expectedTorrents", len(expected), "dryRun", dryRun)
expectedEntries := []string{}
@ -139,7 +128,7 @@ func (fs *DataStorage) CleanupDirs(ctx context.Context, expected []*controller.T
return toDelete, nil
}
func (s *DataStorage) CleanupFiles(ctx context.Context, expected []*controller.Torrent, dryRun bool) ([]string, error) {
func (s *DataStorage) CleanupFiles(ctx context.Context, expected []*Controller, dryRun bool) ([]string, error) {
log := s.log.With("function", "CleanupFiles", "expectedTorrents", len(expected), "dryRun", dryRun)
expectedEntries := []string{}

8
src/host/vfs/archive.go
View file

@ -122,11 +122,11 @@ func (a *ArchiveFS) Unlink(ctx context.Context, filename string) error {
}
func (a *ArchiveFS) Open(ctx context.Context, filename string) (File, error) {
return getFile(a.files, filename)
return GetFile(a.files, filename)
}
func (a *ArchiveFS) ReadDir(ctx context.Context, path string) ([]fs.DirEntry, error) {
return listDirFromFiles(a.files, path)
return ListDirFromFiles(a.files, path)
}
// Stat implements Filesystem.
@ -198,11 +198,11 @@ func (d *archiveFile) Name() string {
// Type implements File.
func (d *archiveFile) Type() fs.FileMode {
return roMode
return ROMode
}
func (d *archiveFile) Info() (fs.FileInfo, error) {
return newFileInfo(d.name, d.size), nil
return NewFileInfo(d.name, d.size), nil
}
func (d *archiveFile) Size() int64 {

4
src/host/vfs/dir.go
View file

@ -8,7 +8,7 @@ import (
var _ File = &dirFile{}
func newDirFile(name string) File {
func NewDirFile(name string) File {
return &dirFile{
name: path.Base(name),
}
@ -55,5 +55,5 @@ func (d *dirFile) Size() int64 {
// Type implements File.
func (d *dirFile) Type() fs.FileMode {
return roMode | fs.ModeDir
return ROMode | fs.ModeDir
}

8
src/host/vfs/dummy.go
View file

@ -41,7 +41,7 @@ func (d *DummyFs) FsName() string {
// Stat implements Filesystem.
func (*DummyFs) Stat(ctx context.Context, filename string) (fs.FileInfo, error) {
return newFileInfo(path.Base(filename), 0), nil // TODO
return NewFileInfo(path.Base(filename), 0), nil // TODO
}
func (d *DummyFs) Open(ctx context.Context, filename string) (File, error) {
@ -55,8 +55,8 @@ func (d *DummyFs) Unlink(ctx context.Context, filename string) error {
func (d *DummyFs) ReadDir(ctx context.Context, path string) ([]fs.DirEntry, error) {
if path == "/dir/here" {
return []fs.DirEntry{
newFileInfo("file1.txt", 0),
newFileInfo("file2.txt", 0),
NewFileInfo("file1.txt", 0),
NewFileInfo("file2.txt", 0),
}, nil
}
@ -101,7 +101,7 @@ func (d *DummyFile) Type() fs.FileMode {
// Stat implements File.
func (d *DummyFile) Info() (fs.FileInfo, error) {
return newFileInfo(d.name, 0), nil
return NewFileInfo(d.name, 0), nil
}
func (d *DummyFile) Size() int64 {

8
src/host/vfs/fs.go
View file

@ -44,7 +44,7 @@ type Filesystem interface {
}
// readonly
const roMode = fs.FileMode(0555)
const ROMode = fs.FileMode(0555)
type fileInfo struct {
name string
@ -63,7 +63,7 @@ func newDirInfo(name string) *fileInfo {
}
}
func newFileInfo(name string, size int64) *fileInfo {
func NewFileInfo(name string, size int64) *fileInfo {
return &fileInfo{
name: path.Base(name),
size: size,
@ -93,10 +93,10 @@ func (fi *fileInfo) Size() int64 {
func (fi *fileInfo) Mode() fs.FileMode {
if fi.isDir {
return roMode | fs.ModeDir
return ROMode | fs.ModeDir
}
return roMode
return ROMode
}
func (fi *fileInfo) ModTime() time.Time {

4
src/host/vfs/fs_test.go
View file

@ -12,7 +12,7 @@ func TestFileinfo(t *testing.T) {
require := require.New(t)
fi := newFileInfo("abc/name", 42)
fi := NewFileInfo("abc/name", 42)
require.Equal("name", fi.Name())
require.False(fi.IsDir())
@ -37,7 +37,7 @@ func TestDirInfo(t *testing.T) {
require.NotNil(fi.ModTime())
require.NotZero(fi.Type() & fs.ModeDir)
require.NotZero(fi.Mode() & fs.ModeDir)
require.Equal(roMode|fs.ModeDir, fi.Mode())
require.Equal(ROMode|fs.ModeDir, fi.Mode())
require.Nil(fi.Sys())
}

10
src/host/vfs/memory.go
View file

@ -68,11 +68,11 @@ func NewMemoryFS(name string, files map[string]*MemoryFile) *MemoryFs {
}
func (m *MemoryFs) Open(ctx context.Context, filename string) (File, error) {
return getFile(m.files, filename)
return GetFile(m.files, filename)
}
func (fs *MemoryFs) ReadDir(ctx context.Context, path string) ([]fs.DirEntry, error) {
return listDirFromFiles(fs.files, path)
return ListDirFromFiles(fs.files, path)
}
// Stat implements Filesystem.
@ -81,7 +81,7 @@ func (mfs *MemoryFs) Stat(ctx context.Context, filename string) (fs.FileInfo, er
if !ok {
return nil, ErrNotExist
}
return newFileInfo(path.Base(filename), file.Size()), nil
return NewFileInfo(path.Base(filename), file.Size()), nil
}
// Unlink implements Filesystem.
@ -110,11 +110,11 @@ func (d *MemoryFile) Name() string {
// Type implements File.
func (d *MemoryFile) Type() fs.FileMode {
return roMode
return ROMode
}
func (d *MemoryFile) Info() (fs.FileInfo, error) {
return newFileInfo(d.name, int64(d.data.Len())), nil
return NewFileInfo(d.name, int64(d.data.Len())), nil
}
func (d *MemoryFile) Size() int64 {

4
src/host/vfs/os.go
View file

@ -34,8 +34,8 @@ func (fs *OsFS) Unlink(ctx context.Context, filename string) error {
// Open implements Filesystem.
func (fs *OsFS) Open(ctx context.Context, filename string) (File, error) {
if isRoot(filename) {
return newDirFile(fs.Name()), nil
if IsRoot(filename) {
return NewDirFile(fs.Name()), nil
}
return NewLazyOsFile(path.Join(fs.hostDir, filename))

42
src/host/vfs/resolver.go
View file

@ -21,7 +21,7 @@ import (
type ResolverFS struct {
rootFS Filesystem
resolver *resolver
resolver *Resolver
log *rlog.Logger
}
@ -29,7 +29,7 @@ type ResolverFS struct {
func NewResolveFS(rootFs Filesystem, factories map[string]FsFactory) *ResolverFS {
return &ResolverFS{
rootFS: rootFs,
resolver: newResolver(factories),
resolver: NewResolver(factories),
log: rlog.Component("fs.resolverfs"),
}
}
@ -77,10 +77,10 @@ func (r *ResolverFS) Open(ctx context.Context, filename string) (File, error) {
defer span.End()
if path.Clean(filename) == Separator {
return newDirFile(r.Name()), nil
return NewDirFile(r.Name()), nil
}
fsPath, nestedFs, nestedFsPath, err := r.resolver.resolvePath(ctx, filename, r.rootFS.Open)
fsPath, nestedFs, nestedFsPath, err := r.resolver.ResolvePath(ctx, filename, r.rootFS.Open)
if err != nil {
return nil, err
}
@ -98,7 +98,7 @@ func (r *ResolverFS) ReadDir(ctx context.Context, dir string) ([]fs.DirEntry, er
)
defer span.End()
fsPath, nestedFs, nestedFsPath, err := r.resolver.resolvePath(ctx, dir, r.rootFS.Open)
fsPath, nestedFs, nestedFsPath, err := r.resolver.ResolvePath(ctx, dir, r.rootFS.Open)
if err != nil {
return nil, err
}
@ -112,7 +112,7 @@ func (r *ResolverFS) ReadDir(ctx context.Context, dir string) ([]fs.DirEntry, er
}
out := make([]fs.DirEntry, 0, len(entries))
for _, e := range entries {
if r.resolver.isNestedFs(e.Name()) {
if r.resolver.IsNestedFs(e.Name()) {
filepath := path.Join("/", dir, e.Name())
file, err := r.Open(ctx, filepath)
if err != nil {
@ -123,7 +123,7 @@ func (r *ResolverFS) ReadDir(ctx context.Context, dir string) ([]fs.DirEntry, er
err = func() error {
factoryCtx, cancel := subTimeout(ctx)
defer cancel()
nestedfs, err := r.resolver.nestedFs(factoryCtx, filepath, file)
nestedfs, err := r.resolver.NestedFs(factoryCtx, filepath, file)
if err != nil {
if errors.Is(err, context.DeadlineExceeded) {
r.log.Error(ctx, "creating fs timed out",
@ -155,11 +155,11 @@ func (r *ResolverFS) Stat(ctx context.Context, filename string) (fs.FileInfo, er
)
defer span.End()
if isRoot(filename) {
if IsRoot(filename) {
return r, nil
}
fsPath, nestedFs, nestedFsPath, err := r.resolver.resolvePath(ctx, filename, r.rootFS.Open)
fsPath, nestedFs, nestedFsPath, err := r.resolver.ResolvePath(ctx, filename, r.rootFS.Open)
if err != nil {
return nil, err
}
@ -175,7 +175,7 @@ func (r *ResolverFS) Stat(ctx context.Context, filename string) (fs.FileInfo, er
// Unlink implements Filesystem.
func (r *ResolverFS) Unlink(ctx context.Context, filename string) error {
fsPath, nestedFs, nestedFsPath, err := r.resolver.resolvePath(ctx, filename, r.rootFS.Open)
fsPath, nestedFs, nestedFsPath, err := r.resolver.ResolvePath(ctx, filename, r.rootFS.Open)
if err != nil {
return err
}
@ -210,14 +210,14 @@ var _ Filesystem = &ResolverFS{}
type FsFactory func(ctx context.Context, f File) (Filesystem, error)
func newResolver(factories map[string]FsFactory) *resolver {
return &resolver{
func NewResolver(factories map[string]FsFactory) *Resolver {
return &Resolver{
factories: factories,
fsmap: map[string]Filesystem{},
}
}
type resolver struct {
type Resolver struct {
m sync.Mutex
factories map[string]FsFactory
fsmap map[string]Filesystem // filesystem cache
@ -226,7 +226,7 @@ type resolver struct {
type openFile func(ctx context.Context, path string) (File, error)
func (r *resolver) isNestedFs(f string) bool {
func (r *Resolver) IsNestedFs(f string) bool {
for ext := range r.factories {
if strings.HasSuffix(f, ext) {
return true
@ -235,7 +235,7 @@ func (r *resolver) isNestedFs(f string) bool {
return false
}
func (r *resolver) nestedFs(ctx context.Context, fsPath string, file File) (Filesystem, error) {
func (r *Resolver) NestedFs(ctx context.Context, fsPath string, file File) (Filesystem, error) {
for ext, nestFactory := range r.factories {
if !strings.HasSuffix(fsPath, ext) {
continue
@ -258,7 +258,7 @@ func (r *resolver) nestedFs(ctx context.Context, fsPath string, file File) (File
}
// open requeue raw open, without resolver call
func (r *resolver) resolvePath(ctx context.Context, name string, rawOpen openFile) (fsPath string, nestedFs Filesystem, nestedFsPath string, err error) {
func (r *Resolver) ResolvePath(ctx context.Context, name string, rawOpen openFile) (fsPath string, nestedFs Filesystem, nestedFsPath string, err error) {
ctx, span := tracer.Start(ctx, "resolvePath")
defer span.End()
@ -321,9 +321,9 @@ PARTS_LOOP:
var ErrNotExist = fs.ErrNotExist
func getFile[F File](m map[string]F, name string) (File, error) {
func GetFile[F File](m map[string]F, name string) (File, error) {
if name == Separator {
return newDirFile(name), nil
return NewDirFile(name), nil
}
f, ok := m[name]
@ -333,21 +333,21 @@ func getFile[F File](m map[string]F, name string) (File, error) {
for p := range m {
if strings.HasPrefix(p, name) {
return newDirFile(name), nil
return NewDirFile(name), nil
}
}
return nil, ErrNotExist
}
func listDirFromFiles[F File](m map[string]F, name string) ([]fs.DirEntry, error) {
func ListDirFromFiles[F File](m map[string]F, name string) ([]fs.DirEntry, error) {
out := make([]fs.DirEntry, 0, len(m))
name = AddTrailSlash(path.Clean(name))
for p, f := range m {
if strings.HasPrefix(p, name) {
parts := strings.Split(trimRelPath(p, name), Separator)
if len(parts) == 1 {
out = append(out, newFileInfo(parts[0], f.Size()))
out = append(out, NewFileInfo(parts[0], f.Size()))
} else {
out = append(out, newDirInfo(parts[0]))
}

2
src/host/vfs/utils.go
View file

@ -10,7 +10,7 @@ import (
const Separator = "/"
func isRoot(filename string) bool {
func IsRoot(filename string) bool {
return path.Clean(filename) == Separator
}