swarm/api: FUSE read-write support (#13872)
- Moved fuse related code in a new package, swarm/fuse - Added write support - Create new files - Delete existing files - Append to files (with limitations) - More test coverage
This commit is contained in:
Zahoor Mohamed
Felix Lange
parent
dd37064a15
commit
1d1d988aa7
191
swarm/api/api.go
191
swarm/api/api.go
@ -25,9 +25,13 @@ import (
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"strings"
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"sync"
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"bytes"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"mime"
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"path/filepath"
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"time"
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)
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var (
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@ -59,6 +63,13 @@ func NewApi(dpa *storage.DPA, dns Resolver) (self *Api) {
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return
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}
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// to be used only in TEST
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func (self *Api) Upload(uploadDir, index string) (hash string, err error) {
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fs := NewFileSystem(self)
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hash, err = fs.Upload(uploadDir, index)
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return hash, err
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}
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// DPA reader API
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func (self *Api) Retrieve(key storage.Key) storage.LazySectionReader {
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return self.dpa.Retrieve(key)
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@ -111,7 +122,7 @@ func (self *Api) Put(content, contentType string) (storage.Key, error) {
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}
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// Get uses iterative manifest retrieval and prefix matching
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// to resolve path to content using dpa retrieve
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// to resolve basePath to content using dpa retrieve
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// it returns a section reader, mimeType, status and an error
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func (self *Api) Get(key storage.Key, path string) (reader storage.LazySectionReader, mimeType string, status int, err error) {
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trie, err := loadManifest(self.dpa, key, nil)
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@ -160,3 +171,181 @@ func (self *Api) Modify(key storage.Key, path, contentHash, contentType string)
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}
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return trie.hash, nil
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}
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func (self *Api) AddFile(mhash, path, fname string, content []byte, nameresolver bool) (storage.Key, string, error) {
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uri, err := Parse("bzz:/" + mhash)
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if err != nil {
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return nil, "", err
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}
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mkey, err := self.Resolve(uri)
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if err != nil {
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return nil, "", err
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}
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// trim the root dir we added
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if path[:1] == "/" {
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path = path[1:]
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}
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entry := &ManifestEntry{
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Path: filepath.Join(path, fname),
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ContentType: mime.TypeByExtension(filepath.Ext(fname)),
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Mode: 0700,
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Size: int64(len(content)),
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ModTime: time.Now(),
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}
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mw, err := self.NewManifestWriter(mkey, nil)
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if err != nil {
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return nil, "", err
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}
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fkey, err := mw.AddEntry(bytes.NewReader(content), entry)
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if err != nil {
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return nil, "", err
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}
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newMkey, err := mw.Store()
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if err != nil {
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return nil, "", err
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}
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return fkey, newMkey.String(), nil
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}
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func (self *Api) RemoveFile(mhash, path, fname string, nameresolver bool) (string, error) {
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uri, err := Parse("bzz:/" + mhash)
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if err != nil {
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return "", err
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}
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mkey, err := self.Resolve(uri)
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if err != nil {
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return "", err
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}
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// trim the root dir we added
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if path[:1] == "/" {
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path = path[1:]
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}
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mw, err := self.NewManifestWriter(mkey, nil)
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if err != nil {
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return "", err
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}
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err = mw.RemoveEntry(filepath.Join(path, fname))
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if err != nil {
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return "", err
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}
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newMkey, err := mw.Store()
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if err != nil {
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return "", err
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}
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return newMkey.String(), nil
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}
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func (self *Api) AppendFile(mhash, path, fname string, existingSize int64, content []byte, oldKey storage.Key, offset int64, addSize int64, nameresolver bool) (storage.Key, string, error) {
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buffSize := offset + addSize
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if buffSize < existingSize {
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buffSize = existingSize
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}
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buf := make([]byte, buffSize)
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oldReader := self.Retrieve(oldKey)
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io.ReadAtLeast(oldReader, buf, int(offset))
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newReader := bytes.NewReader(content)
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io.ReadAtLeast(newReader, buf[offset:], int(addSize))
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if buffSize < existingSize {
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io.ReadAtLeast(oldReader, buf[addSize:], int(buffSize))
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}
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combinedReader := bytes.NewReader(buf)
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totalSize := int64(len(buf))
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// TODO(jmozah): to append using pyramid chunker when it is ready
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//oldReader := self.Retrieve(oldKey)
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//newReader := bytes.NewReader(content)
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//combinedReader := io.MultiReader(oldReader, newReader)
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uri, err := Parse("bzz:/" + mhash)
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if err != nil {
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return nil, "", err
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}
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mkey, err := self.Resolve(uri)
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if err != nil {
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return nil, "", err
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}
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// trim the root dir we added
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if path[:1] == "/" {
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path = path[1:]
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}
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mw, err := self.NewManifestWriter(mkey, nil)
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if err != nil {
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return nil, "", err
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}
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err = mw.RemoveEntry(filepath.Join(path, fname))
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if err != nil {
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return nil, "", err
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}
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entry := &ManifestEntry{
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Path: filepath.Join(path, fname),
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ContentType: mime.TypeByExtension(filepath.Ext(fname)),
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Mode: 0700,
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Size: totalSize,
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ModTime: time.Now(),
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}
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fkey, err := mw.AddEntry(io.Reader(combinedReader), entry)
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if err != nil {
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return nil, "", err
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}
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newMkey, err := mw.Store()
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if err != nil {
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return nil, "", err
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}
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return fkey, newMkey.String(), nil
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}
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func (self *Api) BuildDirectoryTree(mhash string, nameresolver bool) (key storage.Key, manifestEntryMap map[string]*manifestTrieEntry, err error) {
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uri, err := Parse("bzz:/" + mhash)
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if err != nil {
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return nil, nil, err
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}
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key, err = self.Resolve(uri)
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if err != nil {
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return nil, nil, err
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}
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quitC := make(chan bool)
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rootTrie, err := loadManifest(self.dpa, key, quitC)
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if err != nil {
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return nil, nil, fmt.Errorf("can't load manifest %v: %v", key.String(), err)
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}
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manifestEntryMap = map[string]*manifestTrieEntry{}
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err = rootTrie.listWithPrefix(uri.Path, quitC, func(entry *manifestTrieEntry, suffix string) {
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manifestEntryMap[suffix] = entry
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})
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return key, manifestEntryMap, nil
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}
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@ -68,7 +68,6 @@ func (self *FileSystem) Upload(lpath, index string) (string, error) {
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log.Debug(fmt.Sprintf("uploading '%s'", localpath))
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err = filepath.Walk(localpath, func(path string, info os.FileInfo, err error) error {
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if (err == nil) && !info.IsDir() {
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//fmt.Printf("lp %s path %s\n", localpath, path)
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if len(path) <= start {
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return fmt.Errorf("Path is too short")
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}
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@ -170,7 +169,7 @@ func (self *FileSystem) Upload(lpath, index string) (string, error) {
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return hs, err2
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}
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// Download replicates the manifest path structure on the local filesystem
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// Download replicates the manifest basePath structure on the local filesystem
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// under localpath
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//
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// DEPRECATED: Use the HTTP API instead
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@ -269,7 +268,7 @@ func (self *FileSystem) Download(bzzpath, localpath string) error {
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}
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func retrieveToFile(quitC chan bool, dpa *storage.DPA, key storage.Key, path string) error {
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f, err := os.Create(path) // TODO: path separators
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f, err := os.Create(path) // TODO: basePath separators
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if err != nil {
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return err
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}
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@ -1,133 +0,0 @@
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// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// +build linux darwin freebsd
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// Data structures used for Fuse filesystem, serving directories and serving files to Fuse driver.
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package api
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import (
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"io"
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"os"
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"bazil.org/fuse"
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"bazil.org/fuse/fs"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/swarm/storage"
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"golang.org/x/net/context"
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)
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type FS struct {
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root *Dir
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}
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type Dir struct {
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inode uint64
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name string
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path string
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directories []*Dir
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files []*File
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}
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type File struct {
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inode uint64
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name string
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path string
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key storage.Key
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swarmApi *Api
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fileSize uint64
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reader storage.LazySectionReader
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}
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// Functions which satisfy the Fuse File System requests
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func (filesystem *FS) Root() (fs.Node, error) {
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return filesystem.root, nil
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}
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func (directory *Dir) Attr(ctx context.Context, a *fuse.Attr) error {
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a.Inode = directory.inode
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//TODO: need to get permission as argument
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a.Mode = os.ModeDir | 0500
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a.Uid = uint32(os.Getuid())
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a.Gid = uint32(os.Getegid())
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return nil
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}
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func (directory *Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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if directory.files != nil {
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for _, n := range directory.files {
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if n.name == name {
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return n, nil
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}
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}
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}
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if directory.directories != nil {
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for _, n := range directory.directories {
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if n.name == name {
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return n, nil
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}
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}
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}
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return nil, fuse.ENOENT
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}
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func (d *Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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var children []fuse.Dirent
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if d.files != nil {
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for _, file := range d.files {
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children = append(children, fuse.Dirent{Inode: file.inode, Type: fuse.DT_File, Name: file.name})
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}
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}
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if d.directories != nil {
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for _, dir := range d.directories {
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children = append(children, fuse.Dirent{Inode: dir.inode, Type: fuse.DT_Dir, Name: dir.name})
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}
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}
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return children, nil
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}
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func (file *File) Attr(ctx context.Context, a *fuse.Attr) error {
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a.Inode = file.inode
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//TODO: need to get permission as argument
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a.Mode = 0500
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a.Uid = uint32(os.Getuid())
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a.Gid = uint32(os.Getegid())
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reader := file.swarmApi.Retrieve(file.key)
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quitC := make(chan bool)
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size, err := reader.Size(quitC)
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if err != nil {
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log.Warn("Couldnt file size of file %s : %v", file.path, err)
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a.Size = uint64(0)
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}
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a.Size = uint64(size)
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file.fileSize = a.Size
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return nil
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}
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var _ = fs.HandleReader(&File{})
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func (file *File) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
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buf := make([]byte, req.Size)
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reader := file.swarmApi.Retrieve(file.key)
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n, err := reader.ReadAt(buf, req.Offset)
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if err == io.ErrUnexpectedEOF || err == io.EOF {
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err = nil
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}
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resp.Data = buf[:n]
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return err
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}
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@ -162,7 +162,7 @@ func (m *ManifestWalker) walk(trie *manifestTrie, prefix string, walkFn WalkFn)
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type manifestTrie struct {
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dpa *storage.DPA
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entries [257]*manifestTrieEntry // indexed by first character of path, entries[256] is the empty path entry
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entries [257]*manifestTrieEntry // indexed by first character of basePath, entries[256] is the empty basePath entry
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hash storage.Key // if hash != nil, it is stored
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}
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@ -340,6 +340,7 @@ func (self *manifestTrie) recalcAndStore() error {
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}
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list.Entries = append(list.Entries, entry.ManifestEntry)
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}
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}
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manifest, err := json.Marshal(list)
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@ -83,7 +83,7 @@ func (self *Storage) Get(bzzpath string) (*Response, error) {
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return &Response{mimeType, status, expsize, string(body[:size])}, err
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}
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// Modify(rootHash, path, contentHash, contentType) takes th e manifest trie rooted in rootHash,
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// Modify(rootHash, basePath, contentHash, contentType) takes th e manifest trie rooted in rootHash,
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// and merge on to it. creating an entry w conentType (mime)
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//
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// DEPRECATED: Use the HTTP API instead
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@ -1,115 +0,0 @@
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// Copyright 2016 The go-ethereum Authors
|
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// This file is part of the go-ethereum library.
|
||||
//
|
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// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
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|
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package api
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|
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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var testUploadDir, _ = ioutil.TempDir(os.TempDir(), "fuse-source")
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var testMountDir, _ = ioutil.TempDir(os.TempDir(), "fuse-dest")
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func testFuseFileSystem(t *testing.T, f func(*FileSystem)) {
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testApi(t, func(api *Api) {
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f(NewFileSystem(api))
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})
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}
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func createTestFiles(t *testing.T, files []string) {
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os.RemoveAll(testUploadDir)
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os.RemoveAll(testMountDir)
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defer os.MkdirAll(testMountDir, 0777)
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for f := range files {
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actualPath := filepath.Join(testUploadDir, files[f])
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filePath := filepath.Dir(actualPath)
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err := os.MkdirAll(filePath, 0777)
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if err != nil {
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t.Fatalf("Error creating directory '%v' : %v", filePath, err)
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}
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_, err1 := os.OpenFile(actualPath, os.O_RDONLY|os.O_CREATE, 0666)
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if err1 != nil {
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t.Fatalf("Error creating file %v: %v", actualPath, err1)
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}
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}
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|
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}
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|
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func compareFiles(t *testing.T, files []string) {
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for f := range files {
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sourceFile := filepath.Join(testUploadDir, files[f])
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destinationFile := filepath.Join(testMountDir, files[f])
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|
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sfinfo, err := os.Stat(sourceFile)
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if err != nil {
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t.Fatalf("Source file %v missing in mount: %v", files[f], err)
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}
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dfinfo, err := os.Stat(destinationFile)
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if err != nil {
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t.Fatalf("Destination file %v missing in mount: %v", files[f], err)
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}
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if sfinfo.Size() != dfinfo.Size() {
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t.Fatalf("Size mismatch source (%v) vs destination(%v)", sfinfo.Size(), dfinfo.Size())
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}
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if dfinfo.Mode().Perm().String() != "-r-x------" {
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t.Fatalf("Permission is not 0500for file: %v", err)
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}
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}
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}
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||||
|
||||
func doHashTest(fs *FileSystem, t *testing.T, ensName string, files ...string) {
|
||||
createTestFiles(t, files)
|
||||
bzzhash, err := fs.Upload(testUploadDir, "")
|
||||
if err != nil {
|
||||
t.Fatalf("Error uploading directory %v: %v", testUploadDir, err)
|
||||
}
|
||||
|
||||
swarmfs := NewSwarmFS(fs.api)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
_, err = swarmfs.Mount(bzzhash, testMountDir)
|
||||
if isFUSEUnsupportedError(err) {
|
||||
t.Skip("FUSE not supported:", err)
|
||||
} else if err != nil {
|
||||
t.Fatalf("Error mounting hash %v: %v", bzzhash, err)
|
||||
}
|
||||
|
||||
compareFiles(t, files)
|
||||
|
||||
if _, err := swarmfs.Unmount(testMountDir); err != nil {
|
||||
t.Fatalf("Error unmounting path %v: %v", testMountDir, err)
|
||||
}
|
||||
}
|
||||
|
||||
// mounting with manifest Hash
|
||||
func TestFuseMountingScenarios(t *testing.T) {
|
||||
testFuseFileSystem(t, func(fs *FileSystem) {
|
||||
//doHashTest(fs,t, "test","1.txt")
|
||||
doHashTest(fs, t, "", "1.txt")
|
||||
doHashTest(fs, t, "", "1.txt", "11.txt", "111.txt", "two/2.txt", "two/two/2.txt", "three/3.txt")
|
||||
doHashTest(fs, t, "", "1/2/3/4/5/6/7/8/9/10/11/12/1.txt")
|
||||
doHashTest(fs, t, "", "one/one.txt", "one.txt", "once/one.txt", "one/one/one.txt")
|
||||
})
|
||||
}
|
||||
155
swarm/fuse/fuse_dir.go
Normal file
155
swarm/fuse/fuse_dir.go
Normal file
@ -0,0 +1,155 @@
|
||||
// Copyright 2017 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"bazil.org/fuse"
|
||||
"bazil.org/fuse/fs"
|
||||
"golang.org/x/net/context"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"sync"
|
||||
)
|
||||
|
||||
var (
|
||||
_ fs.Node = (*SwarmDir)(nil)
|
||||
_ fs.NodeRequestLookuper = (*SwarmDir)(nil)
|
||||
_ fs.HandleReadDirAller = (*SwarmDir)(nil)
|
||||
_ fs.NodeCreater = (*SwarmDir)(nil)
|
||||
_ fs.NodeRemover = (*SwarmDir)(nil)
|
||||
_ fs.NodeMkdirer = (*SwarmDir)(nil)
|
||||
)
|
||||
|
||||
type SwarmDir struct {
|
||||
inode uint64
|
||||
name string
|
||||
path string
|
||||
directories []*SwarmDir
|
||||
files []*SwarmFile
|
||||
|
||||
mountInfo *MountInfo
|
||||
lock *sync.RWMutex
|
||||
}
|
||||
|
||||
func NewSwarmDir(fullpath string, minfo *MountInfo) *SwarmDir {
|
||||
newdir := &SwarmDir{
|
||||
inode: NewInode(),
|
||||
name: filepath.Base(fullpath),
|
||||
path: fullpath,
|
||||
directories: []*SwarmDir{},
|
||||
files: []*SwarmFile{},
|
||||
mountInfo: minfo,
|
||||
lock: &sync.RWMutex{},
|
||||
}
|
||||
return newdir
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) Attr(ctx context.Context, a *fuse.Attr) error {
|
||||
a.Inode = sd.inode
|
||||
a.Mode = os.ModeDir | 0700
|
||||
a.Uid = uint32(os.Getuid())
|
||||
a.Gid = uint32(os.Getegid())
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (fs.Node, error) {
|
||||
|
||||
for _, n := range sd.files {
|
||||
if n.name == req.Name {
|
||||
return n, nil
|
||||
}
|
||||
}
|
||||
for _, n := range sd.directories {
|
||||
if n.name == req.Name {
|
||||
return n, nil
|
||||
}
|
||||
}
|
||||
return nil, fuse.ENOENT
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
|
||||
var children []fuse.Dirent
|
||||
for _, file := range sd.files {
|
||||
children = append(children, fuse.Dirent{Inode: file.inode, Type: fuse.DT_File, Name: file.name})
|
||||
}
|
||||
for _, dir := range sd.directories {
|
||||
children = append(children, fuse.Dirent{Inode: dir.inode, Type: fuse.DT_Dir, Name: dir.name})
|
||||
}
|
||||
return children, nil
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
|
||||
|
||||
newFile := NewSwarmFile(sd.path, req.Name, sd.mountInfo)
|
||||
newFile.fileSize = 0 // 0 means, file is not in swarm yet and it is just created
|
||||
|
||||
sd.lock.Lock()
|
||||
defer sd.lock.Unlock()
|
||||
sd.files = append(sd.files, newFile)
|
||||
|
||||
return newFile, newFile, nil
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
|
||||
|
||||
if req.Dir && sd.directories != nil {
|
||||
newDirs := []*SwarmDir{}
|
||||
for _, dir := range sd.directories {
|
||||
if dir.name == req.Name {
|
||||
removeDirectoryFromSwarm(dir)
|
||||
} else {
|
||||
newDirs = append(newDirs, dir)
|
||||
}
|
||||
}
|
||||
if len(sd.directories) > len(newDirs) {
|
||||
sd.lock.Lock()
|
||||
defer sd.lock.Unlock()
|
||||
sd.directories = newDirs
|
||||
}
|
||||
return nil
|
||||
} else if !req.Dir && sd.files != nil {
|
||||
newFiles := []*SwarmFile{}
|
||||
for _, f := range sd.files {
|
||||
if f.name == req.Name {
|
||||
removeFileFromSwarm(f)
|
||||
} else {
|
||||
newFiles = append(newFiles, f)
|
||||
}
|
||||
}
|
||||
if len(sd.files) > len(newFiles) {
|
||||
sd.lock.Lock()
|
||||
defer sd.lock.Unlock()
|
||||
sd.files = newFiles
|
||||
}
|
||||
return nil
|
||||
}
|
||||
return fuse.ENOENT
|
||||
}
|
||||
|
||||
func (sd *SwarmDir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) {
|
||||
|
||||
newDir := NewSwarmDir(req.Name, sd.mountInfo)
|
||||
|
||||
sd.lock.Lock()
|
||||
defer sd.lock.Unlock()
|
||||
sd.directories = append(sd.directories, newDir)
|
||||
|
||||
return newDir, nil
|
||||
|
||||
}
|
||||
144
swarm/fuse/fuse_file.go
Normal file
144
swarm/fuse/fuse_file.go
Normal file
@ -0,0 +1,144 @@
|
||||
// Copyright 2017 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"bazil.org/fuse"
|
||||
"bazil.org/fuse/fs"
|
||||
"errors"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
"golang.org/x/net/context"
|
||||
"io"
|
||||
"os"
|
||||
"sync"
|
||||
)
|
||||
|
||||
const (
|
||||
MaxAppendFileSize = 10485760 // 10Mb
|
||||
)
|
||||
|
||||
var (
|
||||
errInvalidOffset = errors.New("Invalid offset during write")
|
||||
errFileSizeMaxLimixReached = errors.New("File size exceeded max limit")
|
||||
)
|
||||
|
||||
var (
|
||||
_ fs.Node = (*SwarmFile)(nil)
|
||||
_ fs.HandleReader = (*SwarmFile)(nil)
|
||||
_ fs.HandleWriter = (*SwarmFile)(nil)
|
||||
)
|
||||
|
||||
type SwarmFile struct {
|
||||
inode uint64
|
||||
name string
|
||||
path string
|
||||
key storage.Key
|
||||
fileSize int64
|
||||
reader storage.LazySectionReader
|
||||
|
||||
mountInfo *MountInfo
|
||||
lock *sync.RWMutex
|
||||
}
|
||||
|
||||
func NewSwarmFile(path, fname string, minfo *MountInfo) *SwarmFile {
|
||||
newFile := &SwarmFile{
|
||||
inode: NewInode(),
|
||||
name: fname,
|
||||
path: path,
|
||||
key: nil,
|
||||
fileSize: -1, // -1 means , file already exists in swarm and you need to just get the size from swarm
|
||||
reader: nil,
|
||||
|
||||
mountInfo: minfo,
|
||||
lock: &sync.RWMutex{},
|
||||
}
|
||||
return newFile
|
||||
}
|
||||
|
||||
func (file *SwarmFile) Attr(ctx context.Context, a *fuse.Attr) error {
|
||||
|
||||
a.Inode = file.inode
|
||||
//TODO: need to get permission as argument
|
||||
a.Mode = 0700
|
||||
a.Uid = uint32(os.Getuid())
|
||||
a.Gid = uint32(os.Getegid())
|
||||
|
||||
if file.fileSize == -1 {
|
||||
reader := file.mountInfo.swarmApi.Retrieve(file.key)
|
||||
quitC := make(chan bool)
|
||||
size, err := reader.Size(quitC)
|
||||
if err != nil {
|
||||
log.Warn("Couldnt get size of file %s : %v", file.path, err)
|
||||
}
|
||||
file.fileSize = int64(size)
|
||||
}
|
||||
a.Size = uint64(file.fileSize)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (sf *SwarmFile) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
|
||||
|
||||
sf.lock.RLock()
|
||||
defer sf.lock.RUnlock()
|
||||
if sf.reader == nil {
|
||||
sf.reader = sf.mountInfo.swarmApi.Retrieve(sf.key)
|
||||
}
|
||||
buf := make([]byte, req.Size)
|
||||
n, err := sf.reader.ReadAt(buf, req.Offset)
|
||||
if err == io.ErrUnexpectedEOF || err == io.EOF {
|
||||
err = nil
|
||||
}
|
||||
resp.Data = buf[:n]
|
||||
sf.reader = nil
|
||||
return err
|
||||
|
||||
}
|
||||
|
||||
func (sf *SwarmFile) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
|
||||
|
||||
if sf.fileSize == 0 && req.Offset == 0 {
|
||||
|
||||
// A new file is created
|
||||
err := addFileToSwarm(sf, req.Data, len(req.Data))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
resp.Size = len(req.Data)
|
||||
|
||||
} else if req.Offset <= sf.fileSize {
|
||||
|
||||
totalSize := sf.fileSize + int64(len(req.Data))
|
||||
if totalSize > MaxAppendFileSize {
|
||||
log.Warn("Append file size reached (%v) : (%v)", sf.fileSize, len(req.Data))
|
||||
return errFileSizeMaxLimixReached
|
||||
}
|
||||
|
||||
err := appendToExistingFileInSwarm(sf, req.Data, req.Offset, int64(len(req.Data)))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
resp.Size = int(sf.fileSize)
|
||||
} else {
|
||||
log.Warn("Invalid write request size(%v) : off(%v)", sf.fileSize, req.Offset)
|
||||
return errInvalidOffset
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
@ -14,30 +14,22 @@
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package api
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"sync"
|
||||
"time"
|
||||
"bazil.org/fuse/fs"
|
||||
)
|
||||
|
||||
const (
|
||||
Swarmfs_Version = "0.1"
|
||||
mountTimeout = time.Second * 5
|
||||
maxFuseMounts = 5
|
||||
var (
|
||||
_ fs.Node = (*SwarmDir)(nil)
|
||||
)
|
||||
|
||||
type SwarmFS struct {
|
||||
swarmApi *Api
|
||||
activeMounts map[string]*MountInfo
|
||||
activeLock *sync.RWMutex
|
||||
type SwarmRoot struct {
|
||||
root *SwarmDir
|
||||
}
|
||||
|
||||
func NewSwarmFS(api *Api) *SwarmFS {
|
||||
swarmfs := &SwarmFS{
|
||||
swarmApi: api,
|
||||
activeLock: &sync.RWMutex{},
|
||||
activeMounts: map[string]*MountInfo{},
|
||||
}
|
||||
return swarmfs
|
||||
func (filesystem *SwarmRoot) Root() (fs.Node, error) {
|
||||
return filesystem.root, nil
|
||||
}
|
||||
64
swarm/fuse/swarmfs.go
Normal file
64
swarm/fuse/swarmfs.go
Normal file
@ -0,0 +1,64 @@
|
||||
// Copyright 2017 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"github.com/ethereum/go-ethereum/swarm/api"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
const (
|
||||
Swarmfs_Version = "0.1"
|
||||
mountTimeout = time.Second * 5
|
||||
unmountTimeout = time.Second * 10
|
||||
maxFuseMounts = 5
|
||||
)
|
||||
|
||||
var (
|
||||
swarmfs *SwarmFS // Swarm file system singleton
|
||||
swarmfsLock sync.Once
|
||||
|
||||
inode uint64 = 1 // global inode
|
||||
inodeLock sync.RWMutex
|
||||
)
|
||||
|
||||
type SwarmFS struct {
|
||||
swarmApi *api.Api
|
||||
activeMounts map[string]*MountInfo
|
||||
swarmFsLock *sync.RWMutex
|
||||
}
|
||||
|
||||
func NewSwarmFS(api *api.Api) *SwarmFS {
|
||||
swarmfsLock.Do(func() {
|
||||
swarmfs = &SwarmFS{
|
||||
swarmApi: api,
|
||||
swarmFsLock: &sync.RWMutex{},
|
||||
activeMounts: map[string]*MountInfo{},
|
||||
}
|
||||
})
|
||||
return swarmfs
|
||||
|
||||
}
|
||||
|
||||
// Inode numbers need to be unique, they are used for caching inside fuse
|
||||
func NewInode() uint64 {
|
||||
inodeLock.Lock()
|
||||
defer inodeLock.Unlock()
|
||||
inode += 1
|
||||
return inode
|
||||
}
|
||||
@ -16,7 +16,7 @@
|
||||
|
||||
// +build !linux,!darwin,!freebsd
|
||||
|
||||
package api
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"errors"
|
||||
@ -30,7 +30,8 @@ func isFUSEUnsupportedError(err error) bool {
|
||||
|
||||
type MountInfo struct {
|
||||
MountPoint string
|
||||
ManifestHash string
|
||||
StartManifest string
|
||||
LatestManifest string
|
||||
}
|
||||
|
||||
func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
897
swarm/fuse/swarmfs_test.go
Normal file
897
swarm/fuse/swarmfs_test.go
Normal file
@ -0,0 +1,897 @@
|
||||
// Copyright 2017 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/rand"
|
||||
"github.com/ethereum/go-ethereum/swarm/api"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"testing"
|
||||
)
|
||||
|
||||
type fileInfo struct {
|
||||
perm uint64
|
||||
uid int
|
||||
gid int
|
||||
contents []byte
|
||||
}
|
||||
|
||||
func testFuseFileSystem(t *testing.T, f func(*api.Api)) {
|
||||
|
||||
datadir, err := ioutil.TempDir("", "fuse")
|
||||
if err != nil {
|
||||
t.Fatalf("unable to create temp dir: %v", err)
|
||||
}
|
||||
os.RemoveAll(datadir)
|
||||
|
||||
dpa, err := storage.NewLocalDPA(datadir)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
api := api.NewApi(dpa, nil)
|
||||
dpa.Start()
|
||||
f(api)
|
||||
dpa.Stop()
|
||||
}
|
||||
|
||||
func createTestFilesAndUploadToSwarm(t *testing.T, api *api.Api, files map[string]fileInfo, uploadDir string) string {
|
||||
|
||||
os.RemoveAll(uploadDir)
|
||||
|
||||
for fname, finfo := range files {
|
||||
actualPath := filepath.Join(uploadDir, fname)
|
||||
filePath := filepath.Dir(actualPath)
|
||||
|
||||
err := os.MkdirAll(filePath, 0777)
|
||||
if err != nil {
|
||||
t.Fatalf("Error creating directory '%v' : %v", filePath, err)
|
||||
}
|
||||
|
||||
fd, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(finfo.perm))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Error creating file %v: %v", actualPath, err1)
|
||||
}
|
||||
|
||||
fd.Write(finfo.contents)
|
||||
fd.Chown(finfo.uid, finfo.gid)
|
||||
fd.Chmod(os.FileMode(finfo.perm))
|
||||
fd.Sync()
|
||||
fd.Close()
|
||||
}
|
||||
|
||||
bzzhash, err := api.Upload(uploadDir, "")
|
||||
if err != nil {
|
||||
t.Fatalf("Error uploading directory %v: %v", uploadDir, err)
|
||||
}
|
||||
|
||||
return bzzhash
|
||||
}
|
||||
|
||||
func mountDir(t *testing.T, api *api.Api, files map[string]fileInfo, bzzHash string, mountDir string) *SwarmFS {
|
||||
|
||||
// Test Mount
|
||||
os.RemoveAll(mountDir)
|
||||
os.MkdirAll(mountDir, 0777)
|
||||
swarmfs := NewSwarmFS(api)
|
||||
_, err := swarmfs.Mount(bzzHash, mountDir)
|
||||
if isFUSEUnsupportedError(err) {
|
||||
t.Skip("FUSE not supported:", err)
|
||||
} else if err != nil {
|
||||
t.Fatalf("Error mounting hash %v: %v", bzzHash, err)
|
||||
}
|
||||
|
||||
found := false
|
||||
mi := swarmfs.Listmounts()
|
||||
for _, minfo := range mi {
|
||||
if minfo.MountPoint == mountDir {
|
||||
if minfo.StartManifest != bzzHash ||
|
||||
minfo.LatestManifest != bzzHash ||
|
||||
minfo.fuseConnection == nil {
|
||||
t.Fatalf("Error mounting: exp(%s): act(%s)", bzzHash, minfo.StartManifest)
|
||||
}
|
||||
found = true
|
||||
}
|
||||
}
|
||||
|
||||
// Test listMounts
|
||||
if found == false {
|
||||
t.Fatalf("Error getting mounts information for %v: %v", mountDir, err)
|
||||
}
|
||||
|
||||
// Check if file and their attributes are as expected
|
||||
compareGeneratedFileWithFileInMount(t, files, mountDir)
|
||||
|
||||
return swarmfs
|
||||
|
||||
}
|
||||
|
||||
func compareGeneratedFileWithFileInMount(t *testing.T, files map[string]fileInfo, mountDir string) {
|
||||
|
||||
err := filepath.Walk(mountDir, func(path string, f os.FileInfo, err error) error {
|
||||
if f.IsDir() {
|
||||
return nil
|
||||
}
|
||||
fname := path[len(mountDir)+1:]
|
||||
if _, ok := files[fname]; !ok {
|
||||
t.Fatalf(" file %v present in mount dir and is not expected", fname)
|
||||
}
|
||||
return nil
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatalf("Error walking dir %v", mountDir)
|
||||
}
|
||||
|
||||
for fname, finfo := range files {
|
||||
|
||||
destinationFile := filepath.Join(mountDir, fname)
|
||||
|
||||
dfinfo, err := os.Stat(destinationFile)
|
||||
if err != nil {
|
||||
t.Fatalf("Destination file %v missing in mount: %v", fname, err)
|
||||
}
|
||||
|
||||
if int64(len(finfo.contents)) != dfinfo.Size() {
|
||||
t.Fatalf("file %v Size mismatch source (%v) vs destination(%v)", fname, int64(len(finfo.contents)), dfinfo.Size())
|
||||
}
|
||||
|
||||
if dfinfo.Mode().Perm().String() != "-rwx------" {
|
||||
t.Fatalf("file %v Permission mismatch source (-rwx------) vs destination(%v)", fname, dfinfo.Mode().Perm())
|
||||
}
|
||||
|
||||
fileContents, err := ioutil.ReadFile(filepath.Join(mountDir, fname))
|
||||
if err != nil {
|
||||
t.Fatalf("Could not readfile %v : %v", fname, err)
|
||||
}
|
||||
|
||||
if bytes.Compare(fileContents, finfo.contents) != 0 {
|
||||
t.Fatalf("File %v contents mismatch: %v , %v", fname, fileContents, finfo.contents)
|
||||
|
||||
}
|
||||
|
||||
// TODO: check uid and gid
|
||||
}
|
||||
}
|
||||
|
||||
func checkFile(t *testing.T, testMountDir, fname string, contents []byte) {
|
||||
|
||||
destinationFile := filepath.Join(testMountDir, fname)
|
||||
dfinfo, err1 := os.Stat(destinationFile)
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not stat file %v", destinationFile)
|
||||
}
|
||||
if dfinfo.Size() != int64(len(contents)) {
|
||||
t.Fatalf("Mismatch in size actual(%v) vs expected(%v)", dfinfo.Size(), int64(len(contents)))
|
||||
}
|
||||
|
||||
fd, err2 := os.OpenFile(destinationFile, os.O_RDONLY, os.FileMode(0665))
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not open file %v", destinationFile)
|
||||
}
|
||||
newcontent := make([]byte, len(contents))
|
||||
fd.Read(newcontent)
|
||||
fd.Close()
|
||||
|
||||
if !bytes.Equal(contents, newcontent) {
|
||||
t.Fatalf("File content mismatch expected (%v): received (%v) ", contents, newcontent)
|
||||
}
|
||||
}
|
||||
|
||||
func getRandomBtes(size int) []byte {
|
||||
contents := make([]byte, size)
|
||||
rand.Read(contents)
|
||||
return contents
|
||||
|
||||
}
|
||||
|
||||
func IsDirEmpty(name string) bool {
|
||||
f, err := os.Open(name)
|
||||
if err != nil {
|
||||
return false
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
_, err = f.Readdirnames(1)
|
||||
if err == io.EOF {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func testMountListAndUnmount(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "fuse-source")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "fuse-dest")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["2.txt"] = fileInfo{0711, 333, 444, getRandomBtes(10)}
|
||||
files["3.txt"] = fileInfo{0622, 333, 444, getRandomBtes(100)}
|
||||
files["4.txt"] = fileInfo{0533, 333, 444, getRandomBtes(1024)}
|
||||
files["5.txt"] = fileInfo{0544, 333, 444, getRandomBtes(10)}
|
||||
files["6.txt"] = fileInfo{0555, 333, 444, getRandomBtes(10)}
|
||||
files["7.txt"] = fileInfo{0666, 333, 444, getRandomBtes(10)}
|
||||
files["8.txt"] = fileInfo{0777, 333, 333, getRandomBtes(10)}
|
||||
files["11.txt"] = fileInfo{0777, 333, 444, getRandomBtes(10)}
|
||||
files["111.txt"] = fileInfo{0777, 333, 444, getRandomBtes(10)}
|
||||
files["two/2.txt"] = fileInfo{0777, 333, 444, getRandomBtes(10)}
|
||||
files["two/2/2.txt"] = fileInfo{0777, 333, 444, getRandomBtes(10)}
|
||||
files["two/2./2.txt"] = fileInfo{0777, 444, 444, getRandomBtes(10)}
|
||||
files["twice/2.txt"] = fileInfo{0777, 444, 333, getRandomBtes(200)}
|
||||
files["one/two/three/four/five/six/seven/eight/nine/10.txt"] = fileInfo{0777, 333, 444, getRandomBtes(10240)}
|
||||
files["one/two/three/four/five/six/six"] = fileInfo{0777, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
// Check unmount
|
||||
_, err := swarmfs.Unmount(testMountDir)
|
||||
if err != nil {
|
||||
t.Fatalf("could not unmount %v", bzzHash)
|
||||
}
|
||||
if !IsDirEmpty(testMountDir) {
|
||||
t.Fatalf("unmount didnt work for %v", testMountDir)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testMaxMounts(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir1, _ := ioutil.TempDir(os.TempDir(), "max-upload1")
|
||||
bzzHash1 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir1)
|
||||
mount1, _ := ioutil.TempDir(os.TempDir(), "max-mount1")
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash1, mount1)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
files["2.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir2, _ := ioutil.TempDir(os.TempDir(), "max-upload2")
|
||||
bzzHash2 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir2)
|
||||
mount2, _ := ioutil.TempDir(os.TempDir(), "max-mount2")
|
||||
swarmfs2 := mountDir(t, api, files, bzzHash2, mount2)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
files["3.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir3, _ := ioutil.TempDir(os.TempDir(), "max-upload3")
|
||||
bzzHash3 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir3)
|
||||
mount3, _ := ioutil.TempDir(os.TempDir(), "max-mount3")
|
||||
swarmfs3 := mountDir(t, api, files, bzzHash3, mount3)
|
||||
defer swarmfs3.Stop()
|
||||
|
||||
files["4.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir4, _ := ioutil.TempDir(os.TempDir(), "max-upload4")
|
||||
bzzHash4 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir4)
|
||||
mount4, _ := ioutil.TempDir(os.TempDir(), "max-mount4")
|
||||
swarmfs4 := mountDir(t, api, files, bzzHash4, mount4)
|
||||
defer swarmfs4.Stop()
|
||||
|
||||
files["5.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir5, _ := ioutil.TempDir(os.TempDir(), "max-upload5")
|
||||
bzzHash5 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir5)
|
||||
mount5, _ := ioutil.TempDir(os.TempDir(), "max-mount5")
|
||||
swarmfs5 := mountDir(t, api, files, bzzHash5, mount5)
|
||||
defer swarmfs5.Stop()
|
||||
|
||||
files["6.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir6, _ := ioutil.TempDir(os.TempDir(), "max-upload6")
|
||||
bzzHash6 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir6)
|
||||
mount6, _ := ioutil.TempDir(os.TempDir(), "max-mount6")
|
||||
|
||||
os.RemoveAll(mount6)
|
||||
os.MkdirAll(mount6, 0777)
|
||||
_, err := swarmfs.Mount(bzzHash6, mount6)
|
||||
if err == nil {
|
||||
t.Fatalf("Error: Going beyond max mounts %v", bzzHash6)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testReMounts(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
uploadDir1, _ := ioutil.TempDir(os.TempDir(), "re-upload1")
|
||||
bzzHash1 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir1)
|
||||
testMountDir1, _ := ioutil.TempDir(os.TempDir(), "re-mount1")
|
||||
swarmfs := mountDir(t, api, files, bzzHash1, testMountDir1)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
uploadDir2, _ := ioutil.TempDir(os.TempDir(), "re-upload2")
|
||||
bzzHash2 := createTestFilesAndUploadToSwarm(t, api, files, uploadDir2)
|
||||
testMountDir2, _ := ioutil.TempDir(os.TempDir(), "re-mount2")
|
||||
|
||||
// try mounting the same hash second time
|
||||
os.RemoveAll(testMountDir2)
|
||||
os.MkdirAll(testMountDir2, 0777)
|
||||
_, err := swarmfs.Mount(bzzHash1, testMountDir2)
|
||||
if err != nil {
|
||||
t.Fatalf("Error mounting hash %v", bzzHash1)
|
||||
}
|
||||
|
||||
// mount a different hash in already mounted point
|
||||
_, err = swarmfs.Mount(bzzHash2, testMountDir1)
|
||||
if err == nil {
|
||||
t.Fatalf("Error mounting hash %v", bzzHash2)
|
||||
}
|
||||
|
||||
// mount nonexistent hash
|
||||
_, err = swarmfs.Mount("0xfea11223344", testMountDir1)
|
||||
if err == nil {
|
||||
t.Fatalf("Error mounting hash %v", bzzHash2)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testUnmount(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
uploadDir, _ := ioutil.TempDir(os.TempDir(), "ex-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "ex-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, uploadDir)
|
||||
|
||||
swarmfs := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
swarmfs.Unmount(testMountDir)
|
||||
|
||||
mi := swarmfs.Listmounts()
|
||||
for _, minfo := range mi {
|
||||
if minfo.MountPoint == testMountDir {
|
||||
t.Fatalf("mount state not cleaned up in unmount case %v", testMountDir)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testUnmountWhenResourceBusy(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "ex-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "ex-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
actualPath := filepath.Join(testMountDir, "2.txt")
|
||||
d, err := os.OpenFile(actualPath, os.O_RDWR, os.FileMode(0700))
|
||||
d.Write(getRandomBtes(10))
|
||||
|
||||
_, err = swarmfs.Unmount(testMountDir)
|
||||
if err != nil {
|
||||
t.Fatalf("could not unmount %v", bzzHash)
|
||||
}
|
||||
d.Close()
|
||||
|
||||
mi := swarmfs.Listmounts()
|
||||
for _, minfo := range mi {
|
||||
if minfo.MountPoint == testMountDir {
|
||||
t.Fatalf("mount state not cleaned up in unmount case %v", testMountDir)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
func testSeekInMultiChunkFile(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "seek-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "seek-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10240)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs.Stop()
|
||||
|
||||
// Create a new file seek the second chunk
|
||||
actualPath := filepath.Join(testMountDir, "1.txt")
|
||||
d, _ := os.OpenFile(actualPath, os.O_RDONLY, os.FileMode(0700))
|
||||
|
||||
d.Seek(5000, 0)
|
||||
|
||||
contents := make([]byte, 1024)
|
||||
d.Read(contents)
|
||||
finfo := files["1.txt"]
|
||||
|
||||
if bytes.Compare(finfo.contents[:6024][5000:], contents) != 0 {
|
||||
t.Fatalf("File seek contents mismatch")
|
||||
}
|
||||
d.Close()
|
||||
|
||||
}
|
||||
|
||||
func testCreateNewFile(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "create-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "create-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Create a new file in the root dir and check
|
||||
actualPath := filepath.Join(testMountDir, "2.txt")
|
||||
d, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(0665))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err1)
|
||||
}
|
||||
contents := make([]byte, 11)
|
||||
rand.Read(contents)
|
||||
d.Write(contents)
|
||||
d.Close()
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
files["2.txt"] = fileInfo{0700, 333, 444, contents}
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "2.txt", contents)
|
||||
|
||||
}
|
||||
|
||||
func testCreateNewFileInsideDirectory(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "createinsidedir-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "createinsidedir-mount")
|
||||
|
||||
files["one/1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Create a new file inside a existing dir and check
|
||||
dirToCreate := filepath.Join(testMountDir, "one")
|
||||
actualPath := filepath.Join(dirToCreate, "2.txt")
|
||||
d, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(0665))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err1)
|
||||
}
|
||||
contents := make([]byte, 11)
|
||||
rand.Read(contents)
|
||||
d.Write(contents)
|
||||
d.Close()
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
files["one/2.txt"] = fileInfo{0700, 333, 444, contents}
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "one/2.txt", contents)
|
||||
|
||||
}
|
||||
|
||||
func testCreateNewFileInsideNewDirectory(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "createinsidenewdir-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "createinsidenewdir-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Create a new file inside a existing dir and check
|
||||
dirToCreate := filepath.Join(testMountDir, "one")
|
||||
os.MkdirAll(dirToCreate, 0777)
|
||||
actualPath := filepath.Join(dirToCreate, "2.txt")
|
||||
d, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(0665))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err1)
|
||||
}
|
||||
contents := make([]byte, 11)
|
||||
rand.Read(contents)
|
||||
d.Write(contents)
|
||||
d.Close()
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
files["one/2.txt"] = fileInfo{0700, 333, 444, contents}
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "one/2.txt", contents)
|
||||
|
||||
}
|
||||
|
||||
func testRemoveExistingFile(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "remove-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "remove-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Remove a file in the root dir and check
|
||||
actualPath := filepath.Join(testMountDir, "five.txt")
|
||||
os.Remove(actualPath)
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
delete(files, "five.txt")
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
}
|
||||
|
||||
func testRemoveExistingFileInsideADir(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "remove-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "remove-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["one/five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["one/six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Remove a file in the root dir and check
|
||||
actualPath := filepath.Join(testMountDir, "one/five.txt")
|
||||
os.Remove(actualPath)
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
delete(files, "one/five.txt")
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
}
|
||||
|
||||
func testRemoveNewlyAddedFile(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "removenew-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "removenew-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Adda a new file and remove it
|
||||
dirToCreate := filepath.Join(testMountDir, "one")
|
||||
os.MkdirAll(dirToCreate, os.FileMode(0665))
|
||||
actualPath := filepath.Join(dirToCreate, "2.txt")
|
||||
d, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(0665))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err1)
|
||||
}
|
||||
contents := make([]byte, 11)
|
||||
rand.Read(contents)
|
||||
d.Write(contents)
|
||||
d.Close()
|
||||
|
||||
checkFile(t, testMountDir, "one/2.txt", contents)
|
||||
|
||||
os.Remove(actualPath)
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
if bzzHash != mi.LatestManifest {
|
||||
t.Fatalf("same contents different hash orig(%v): new(%v)", bzzHash, mi.LatestManifest)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testAddNewFileAndModifyContents(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "modifyfile-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "modifyfile-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
// Create a new file in the root dir and check
|
||||
actualPath := filepath.Join(testMountDir, "2.txt")
|
||||
d, err1 := os.OpenFile(actualPath, os.O_RDWR|os.O_CREATE, os.FileMode(0665))
|
||||
if err1 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err1)
|
||||
}
|
||||
line1 := []byte("Line 1")
|
||||
rand.Read(line1)
|
||||
d.Write(line1)
|
||||
d.Close()
|
||||
|
||||
mi1, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
files["2.txt"] = fileInfo{0700, 333, 444, line1}
|
||||
swarmfs2 := mountDir(t, api, files, mi1.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "2.txt", line1)
|
||||
|
||||
mi2, err3 := swarmfs2.Unmount(testMountDir)
|
||||
if err3 != nil {
|
||||
t.Fatalf("Could not unmount %v", err3)
|
||||
}
|
||||
|
||||
// mount again and modify
|
||||
swarmfs3 := mountDir(t, api, files, mi2.LatestManifest, testMountDir)
|
||||
defer swarmfs3.Stop()
|
||||
|
||||
fd, err4 := os.OpenFile(actualPath, os.O_RDWR|os.O_APPEND, os.FileMode(0665))
|
||||
if err4 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err4)
|
||||
}
|
||||
line2 := []byte("Line 2")
|
||||
rand.Read(line2)
|
||||
fd.Seek(int64(len(line1)), 0)
|
||||
fd.Write(line2)
|
||||
fd.Close()
|
||||
|
||||
mi3, err5 := swarmfs3.Unmount(testMountDir)
|
||||
if err5 != nil {
|
||||
t.Fatalf("Could not unmount %v", err5)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
b := [][]byte{line1, line2}
|
||||
line1and2 := bytes.Join(b, []byte(""))
|
||||
files["2.txt"] = fileInfo{0700, 333, 444, line1and2}
|
||||
swarmfs4 := mountDir(t, api, files, mi3.LatestManifest, testMountDir)
|
||||
defer swarmfs4.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "2.txt", line1and2)
|
||||
|
||||
}
|
||||
|
||||
func testRemoveEmptyDir(api *api.Api, t *testing.T) {
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "rmdir-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "rmdir-mount")
|
||||
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
os.MkdirAll(filepath.Join(testMountDir, "newdir"), 0777)
|
||||
|
||||
mi, err3 := swarmfs1.Unmount(testMountDir)
|
||||
if err3 != nil {
|
||||
t.Fatalf("Could not unmount %v", err3)
|
||||
}
|
||||
|
||||
if bzzHash != mi.LatestManifest {
|
||||
t.Fatalf("same contents different hash orig(%v): new(%v)", bzzHash, mi.LatestManifest)
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func testRemoveDirWhichHasFiles(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "rmdir-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "rmdir-mount")
|
||||
|
||||
files["one/1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/five.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/six.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
dirPath := filepath.Join(testMountDir, "two")
|
||||
os.RemoveAll(dirPath)
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v ", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
delete(files, "two/five.txt")
|
||||
delete(files, "two/six.txt")
|
||||
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
}
|
||||
|
||||
func testRemoveDirWhichHasSubDirs(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "rmsubdir-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "rmsubdir-mount")
|
||||
|
||||
files["one/1.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/three/2.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/three/3.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/four/5.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/four/6.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
files["two/four/six/7.txt"] = fileInfo{0700, 333, 444, getRandomBtes(10)}
|
||||
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
dirPath := filepath.Join(testMountDir, "two")
|
||||
os.RemoveAll(dirPath)
|
||||
|
||||
mi, err2 := swarmfs1.Unmount(testMountDir)
|
||||
if err2 != nil {
|
||||
t.Fatalf("Could not unmount %v ", err2)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
delete(files, "two/three/2.txt")
|
||||
delete(files, "two/three/3.txt")
|
||||
delete(files, "two/four/5.txt")
|
||||
delete(files, "two/four/6.txt")
|
||||
delete(files, "two/four/six/7.txt")
|
||||
|
||||
swarmfs2 := mountDir(t, api, files, mi.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
}
|
||||
|
||||
func testAppendFileContentsToEnd(api *api.Api, t *testing.T) {
|
||||
|
||||
files := make(map[string]fileInfo)
|
||||
testUploadDir, _ := ioutil.TempDir(os.TempDir(), "appendlargefile-upload")
|
||||
testMountDir, _ := ioutil.TempDir(os.TempDir(), "appendlargefile-mount")
|
||||
|
||||
line1 := make([]byte, 10)
|
||||
rand.Read(line1)
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, line1}
|
||||
bzzHash := createTestFilesAndUploadToSwarm(t, api, files, testUploadDir)
|
||||
|
||||
swarmfs1 := mountDir(t, api, files, bzzHash, testMountDir)
|
||||
defer swarmfs1.Stop()
|
||||
|
||||
actualPath := filepath.Join(testMountDir, "1.txt")
|
||||
fd, err4 := os.OpenFile(actualPath, os.O_RDWR|os.O_APPEND, os.FileMode(0665))
|
||||
if err4 != nil {
|
||||
t.Fatalf("Could not create file %s : %v", actualPath, err4)
|
||||
}
|
||||
line2 := make([]byte, 5)
|
||||
rand.Read(line2)
|
||||
fd.Seek(int64(len(line1)), 0)
|
||||
fd.Write(line2)
|
||||
fd.Close()
|
||||
|
||||
mi1, err5 := swarmfs1.Unmount(testMountDir)
|
||||
if err5 != nil {
|
||||
t.Fatalf("Could not unmount %v ", err5)
|
||||
}
|
||||
|
||||
// mount again and see if things are okay
|
||||
b := [][]byte{line1, line2}
|
||||
line1and2 := bytes.Join(b, []byte(""))
|
||||
files["1.txt"] = fileInfo{0700, 333, 444, line1and2}
|
||||
swarmfs2 := mountDir(t, api, files, mi1.LatestManifest, testMountDir)
|
||||
defer swarmfs2.Stop()
|
||||
|
||||
checkFile(t, testMountDir, "1.txt", line1and2)
|
||||
|
||||
}
|
||||
|
||||
func TestSwarmFileSystem(t *testing.T) {
|
||||
testFuseFileSystem(t, func(api *api.Api) {
|
||||
|
||||
testMountListAndUnmount(api, t)
|
||||
|
||||
testMaxMounts(api, t)
|
||||
|
||||
testReMounts(api, t)
|
||||
|
||||
testUnmount(api, t)
|
||||
|
||||
testUnmountWhenResourceBusy(api, t)
|
||||
|
||||
testSeekInMultiChunkFile(api, t)
|
||||
|
||||
testCreateNewFile(api, t)
|
||||
|
||||
testCreateNewFileInsideDirectory(api, t)
|
||||
|
||||
testCreateNewFileInsideNewDirectory(api, t)
|
||||
|
||||
testRemoveExistingFile(api, t)
|
||||
|
||||
testRemoveExistingFileInsideADir(api, t)
|
||||
|
||||
testRemoveNewlyAddedFile(api, t)
|
||||
|
||||
testAddNewFileAndModifyContents(api, t)
|
||||
|
||||
testRemoveEmptyDir(api, t)
|
||||
|
||||
testRemoveDirWhichHasFiles(api, t)
|
||||
|
||||
testRemoveDirWhichHasSubDirs(api, t)
|
||||
|
||||
testAppendFileContentsToEnd(api, t)
|
||||
|
||||
})
|
||||
}
|
||||
@ -16,33 +16,28 @@
|
||||
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package api
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"bazil.org/fuse"
|
||||
"bazil.org/fuse/fs"
|
||||
"errors"
|
||||
"fmt"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/api"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"bazil.org/fuse"
|
||||
"bazil.org/fuse/fs"
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
)
|
||||
|
||||
var (
|
||||
inode uint64 = 1
|
||||
inodeLock sync.RWMutex
|
||||
)
|
||||
|
||||
var (
|
||||
errEmptyMountPoint = errors.New("need non-empty mount point")
|
||||
errMaxMountCount = errors.New("max FUSE mount count reached")
|
||||
errMountTimeout = errors.New("mount timeout")
|
||||
errAlreadyMounted = errors.New("mount point is already serving")
|
||||
)
|
||||
|
||||
func isFUSEUnsupportedError(err error) bool {
|
||||
@ -52,16 +47,17 @@ func isFUSEUnsupportedError(err error) bool {
|
||||
return err == fuse.ErrOSXFUSENotFound
|
||||
}
|
||||
|
||||
// MountInfo contains information about every active mount
|
||||
// information about every active mount
|
||||
type MountInfo struct {
|
||||
MountPoint string
|
||||
ManifestHash string
|
||||
resolvedKey storage.Key
|
||||
rootDir *Dir
|
||||
StartManifest string
|
||||
LatestManifest string
|
||||
rootDir *SwarmDir
|
||||
fuseConnection *fuse.Conn
|
||||
swarmApi *api.Api
|
||||
lock *sync.RWMutex
|
||||
}
|
||||
|
||||
// newInode creates a new inode number.
|
||||
// Inode numbers need to be unique, they are used for caching inside fuse
|
||||
func newInode() uint64 {
|
||||
inodeLock.Lock()
|
||||
@ -70,7 +66,21 @@ func newInode() uint64 {
|
||||
return inode
|
||||
}
|
||||
|
||||
func NewMountInfo(mhash, mpoint string, sapi *api.Api) *MountInfo {
|
||||
newMountInfo := &MountInfo{
|
||||
MountPoint: mpoint,
|
||||
StartManifest: mhash,
|
||||
LatestManifest: mhash,
|
||||
rootDir: nil,
|
||||
fuseConnection: nil,
|
||||
swarmApi: sapi,
|
||||
lock: &sync.RWMutex{},
|
||||
}
|
||||
return newMountInfo
|
||||
}
|
||||
|
||||
func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
|
||||
if mountpoint == "" {
|
||||
return nil, errEmptyMountPoint
|
||||
}
|
||||
@ -79,8 +89,8 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
self.activeLock.Lock()
|
||||
defer self.activeLock.Unlock()
|
||||
self.swarmFsLock.Lock()
|
||||
defer self.swarmFsLock.Unlock()
|
||||
|
||||
noOfActiveMounts := len(self.activeMounts)
|
||||
if noOfActiveMounts >= maxFuseMounts {
|
||||
@ -88,44 +98,27 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
}
|
||||
|
||||
if _, ok := self.activeMounts[cleanedMountPoint]; ok {
|
||||
return nil, fmt.Errorf("%s is already mounted", cleanedMountPoint)
|
||||
return nil, errAlreadyMounted
|
||||
}
|
||||
|
||||
uri, err := Parse("bzz:/" + mhash)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
key, err := self.swarmApi.Resolve(uri)
|
||||
log.Info(fmt.Sprintf("Attempting to mount %s ", cleanedMountPoint))
|
||||
key, manifestEntryMap, err := self.swarmApi.BuildDirectoryTree(mhash, true)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
path := uri.Path
|
||||
if len(path) > 0 {
|
||||
path += "/"
|
||||
}
|
||||
mi := NewMountInfo(mhash, cleanedMountPoint, self.swarmApi)
|
||||
|
||||
quitC := make(chan bool)
|
||||
trie, err := loadManifest(self.swarmApi.dpa, key, quitC)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("can't load manifest %v: %v", key.String(), err)
|
||||
}
|
||||
dirTree := map[string]*SwarmDir{}
|
||||
rootDir := NewSwarmDir("/", mi)
|
||||
dirTree["/"] = rootDir
|
||||
mi.rootDir = rootDir
|
||||
|
||||
dirTree := map[string]*Dir{}
|
||||
for suffix, entry := range manifestEntryMap {
|
||||
|
||||
rootDir := &Dir{
|
||||
inode: newInode(),
|
||||
name: "root",
|
||||
directories: nil,
|
||||
files: nil,
|
||||
}
|
||||
dirTree["root"] = rootDir
|
||||
|
||||
err = trie.listWithPrefix(path, quitC, func(entry *manifestTrieEntry, suffix string) {
|
||||
key = common.Hex2Bytes(entry.Hash)
|
||||
fullpath := "/" + suffix
|
||||
basepath := filepath.Dir(fullpath)
|
||||
filename := filepath.Base(fullpath)
|
||||
|
||||
parentDir := rootDir
|
||||
dirUntilNow := ""
|
||||
@ -136,13 +129,7 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
dirUntilNow = dirUntilNow + "/" + thisDir
|
||||
|
||||
if _, ok := dirTree[dirUntilNow]; !ok {
|
||||
dirTree[dirUntilNow] = &Dir{
|
||||
inode: newInode(),
|
||||
name: thisDir,
|
||||
path: dirUntilNow,
|
||||
directories: nil,
|
||||
files: nil,
|
||||
}
|
||||
dirTree[dirUntilNow] = NewSwarmDir(dirUntilNow, mi)
|
||||
parentDir.directories = append(parentDir.directories, dirTree[dirUntilNow])
|
||||
parentDir = dirTree[dirUntilNow]
|
||||
|
||||
@ -152,29 +139,32 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
|
||||
}
|
||||
}
|
||||
thisFile := &File{
|
||||
inode: newInode(),
|
||||
name: filename,
|
||||
path: fullpath,
|
||||
key: key,
|
||||
swarmApi: self.swarmApi,
|
||||
}
|
||||
thisFile := NewSwarmFile(basepath, filepath.Base(fullpath), mi)
|
||||
thisFile.key = key
|
||||
|
||||
parentDir.files = append(parentDir.files, thisFile)
|
||||
})
|
||||
}
|
||||
|
||||
fconn, err := fuse.Mount(cleanedMountPoint, fuse.FSName("swarmfs"), fuse.VolumeName(mhash))
|
||||
if err != nil {
|
||||
if isFUSEUnsupportedError(err) {
|
||||
log.Warn("Fuse not installed", "mountpoint", cleanedMountPoint, "err", err)
|
||||
return nil, err
|
||||
} else if err != nil {
|
||||
fuse.Unmount(cleanedMountPoint)
|
||||
log.Warn("Error mounting swarm manifest", "mountpoint", cleanedMountPoint, "err", err)
|
||||
return nil, err
|
||||
}
|
||||
mi.fuseConnection = fconn
|
||||
|
||||
mounterr := make(chan error, 1)
|
||||
serverr := make(chan error, 1)
|
||||
go func() {
|
||||
filesys := &FS{root: rootDir}
|
||||
log.Info(fmt.Sprintf("Serving %s at %s", mhash, cleanedMountPoint))
|
||||
filesys := &SwarmRoot{root: rootDir}
|
||||
if err := fs.Serve(fconn, filesys); err != nil {
|
||||
mounterr <- err
|
||||
log.Warn(fmt.Sprintf("Could not Serve SwarmFileSystem error: %v", err))
|
||||
serverr <- err
|
||||
}
|
||||
|
||||
}()
|
||||
|
||||
// Check if the mount process has an error to report.
|
||||
@ -183,7 +173,8 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
fuse.Unmount(cleanedMountPoint)
|
||||
return nil, errMountTimeout
|
||||
|
||||
case err := <-mounterr:
|
||||
case err := <-serverr:
|
||||
fuse.Unmount(cleanedMountPoint)
|
||||
log.Warn("Error serving swarm FUSE FS", "mountpoint", cleanedMountPoint, "err", err)
|
||||
return nil, err
|
||||
|
||||
@ -191,46 +182,47 @@ func (self *SwarmFS) Mount(mhash, mountpoint string) (*MountInfo, error) {
|
||||
log.Info("Now serving swarm FUSE FS", "manifest", mhash, "mountpoint", cleanedMountPoint)
|
||||
}
|
||||
|
||||
// Assemble and Store the mount information for future use
|
||||
mi := &MountInfo{
|
||||
MountPoint: cleanedMountPoint,
|
||||
ManifestHash: mhash,
|
||||
resolvedKey: key,
|
||||
rootDir: rootDir,
|
||||
fuseConnection: fconn,
|
||||
}
|
||||
self.activeMounts[cleanedMountPoint] = mi
|
||||
return mi, nil
|
||||
}
|
||||
|
||||
func (self *SwarmFS) Unmount(mountpoint string) (bool, error) {
|
||||
self.activeLock.Lock()
|
||||
defer self.activeLock.Unlock()
|
||||
func (self *SwarmFS) Unmount(mountpoint string) (*MountInfo, error) {
|
||||
|
||||
self.swarmFsLock.Lock()
|
||||
defer self.swarmFsLock.Unlock()
|
||||
|
||||
cleanedMountPoint, err := filepath.Abs(filepath.Clean(mountpoint))
|
||||
if err != nil {
|
||||
return false, err
|
||||
return nil, err
|
||||
}
|
||||
|
||||
mountInfo := self.activeMounts[cleanedMountPoint]
|
||||
|
||||
if mountInfo == nil || mountInfo.MountPoint != cleanedMountPoint {
|
||||
return false, fmt.Errorf("%s is not mounted", cleanedMountPoint)
|
||||
return nil, fmt.Errorf("%s is not mounted", cleanedMountPoint)
|
||||
}
|
||||
err = fuse.Unmount(cleanedMountPoint)
|
||||
if err != nil {
|
||||
// TODO(jmozah): try forceful unmount if normal unmount fails
|
||||
return false, err
|
||||
err1 := externalUnMount(cleanedMountPoint)
|
||||
if err1 != nil {
|
||||
errStr := fmt.Sprintf("UnMount error: %v", err)
|
||||
log.Warn(errStr)
|
||||
return nil, err1
|
||||
}
|
||||
}
|
||||
|
||||
// remove the mount information from the active map
|
||||
mountInfo.fuseConnection.Close()
|
||||
delete(self.activeMounts, cleanedMountPoint)
|
||||
return true, nil
|
||||
|
||||
succString := fmt.Sprintf("UnMounting %v succeeded", cleanedMountPoint)
|
||||
log.Info(succString)
|
||||
|
||||
return mountInfo, nil
|
||||
}
|
||||
|
||||
func (self *SwarmFS) Listmounts() []*MountInfo {
|
||||
self.activeLock.RLock()
|
||||
defer self.activeLock.RUnlock()
|
||||
self.swarmFsLock.RLock()
|
||||
defer self.swarmFsLock.RUnlock()
|
||||
|
||||
rows := make([]*MountInfo, 0, len(self.activeMounts))
|
||||
for _, mi := range self.activeMounts {
|
||||
144
swarm/fuse/swarmfs_util.go
Normal file
144
swarm/fuse/swarmfs_util.go
Normal file
@ -0,0 +1,144 @@
|
||||
// Copyright 2017 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
// +build linux darwin freebsd
|
||||
|
||||
package fuse
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/ethereum/go-ethereum/log"
|
||||
"os/exec"
|
||||
"runtime"
|
||||
"time"
|
||||
)
|
||||
|
||||
func externalUnMount(mountPoint string) error {
|
||||
|
||||
var cmd *exec.Cmd
|
||||
|
||||
switch runtime.GOOS {
|
||||
|
||||
case "darwin":
|
||||
cmd = exec.Command("/usr/bin/diskutil", "umount", "force", mountPoint)
|
||||
|
||||
case "linux":
|
||||
cmd = exec.Command("fusermount", "-u", mountPoint)
|
||||
|
||||
default:
|
||||
return fmt.Errorf("unmount: unimplemented")
|
||||
}
|
||||
|
||||
errc := make(chan error, 1)
|
||||
go func() {
|
||||
defer close(errc)
|
||||
|
||||
if err := exec.Command("umount", mountPoint).Run(); err == nil {
|
||||
return
|
||||
}
|
||||
errc <- cmd.Run()
|
||||
}()
|
||||
|
||||
select {
|
||||
|
||||
case <-time.After(unmountTimeout):
|
||||
return fmt.Errorf("umount timeout")
|
||||
|
||||
case err := <-errc:
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
func addFileToSwarm(sf *SwarmFile, content []byte, size int) error {
|
||||
|
||||
fkey, mhash, err := sf.mountInfo.swarmApi.AddFile(sf.mountInfo.LatestManifest, sf.path, sf.name, content, true)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
sf.lock.Lock()
|
||||
defer sf.lock.Unlock()
|
||||
sf.key = fkey
|
||||
sf.fileSize = int64(size)
|
||||
|
||||
sf.mountInfo.lock.Lock()
|
||||
defer sf.mountInfo.lock.Unlock()
|
||||
sf.mountInfo.LatestManifest = mhash
|
||||
|
||||
log.Info("Added new file:", "fname", sf.name, "New Manifest hash", mhash)
|
||||
return nil
|
||||
|
||||
}
|
||||
|
||||
func removeFileFromSwarm(sf *SwarmFile) error {
|
||||
|
||||
mkey, err := sf.mountInfo.swarmApi.RemoveFile(sf.mountInfo.LatestManifest, sf.path, sf.name, true)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
sf.mountInfo.lock.Lock()
|
||||
defer sf.mountInfo.lock.Unlock()
|
||||
sf.mountInfo.LatestManifest = mkey
|
||||
|
||||
log.Info("Removed file:", "fname", sf.name, "New Manifest hash", mkey)
|
||||
return nil
|
||||
}
|
||||
|
||||
func removeDirectoryFromSwarm(sd *SwarmDir) error {
|
||||
|
||||
if len(sd.directories) == 0 && len(sd.files) == 0 {
|
||||
return nil
|
||||
}
|
||||
|
||||
for _, d := range sd.directories {
|
||||
err := removeDirectoryFromSwarm(d)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
for _, f := range sd.files {
|
||||
err := removeFileFromSwarm(f)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
|
||||
}
|
||||
|
||||
func appendToExistingFileInSwarm(sf *SwarmFile, content []byte, offset int64, length int64) error {
|
||||
|
||||
fkey, mhash, err := sf.mountInfo.swarmApi.AppendFile(sf.mountInfo.LatestManifest, sf.path, sf.name, sf.fileSize, content, sf.key, offset, length, true)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
sf.lock.Lock()
|
||||
defer sf.lock.Unlock()
|
||||
sf.key = fkey
|
||||
sf.fileSize = sf.fileSize + int64(len(content))
|
||||
|
||||
sf.mountInfo.lock.Lock()
|
||||
defer sf.mountInfo.lock.Unlock()
|
||||
sf.mountInfo.LatestManifest = mhash
|
||||
|
||||
log.Info("Appended file:", "fname", sf.name, "New Manifest hash", mhash)
|
||||
return nil
|
||||
|
||||
}
|
||||
@ -34,6 +34,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/rpc"
|
||||
"github.com/ethereum/go-ethereum/swarm/api"
|
||||
httpapi "github.com/ethereum/go-ethereum/swarm/api/http"
|
||||
"github.com/ethereum/go-ethereum/swarm/fuse"
|
||||
"github.com/ethereum/go-ethereum/swarm/network"
|
||||
"github.com/ethereum/go-ethereum/swarm/storage"
|
||||
)
|
||||
@ -54,7 +55,7 @@ type Swarm struct {
|
||||
corsString string
|
||||
swapEnabled bool
|
||||
lstore *storage.LocalStore // local store, needs to store for releasing resources after node stopped
|
||||
sfs *api.SwarmFS // need this to cleanup all the active mounts on node exit
|
||||
sfs *fuse.SwarmFS // need this to cleanup all the active mounts on node exit
|
||||
}
|
||||
|
||||
type SwarmAPI struct {
|
||||
@ -143,7 +144,7 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api.
|
||||
// Manifests for Smart Hosting
|
||||
log.Debug(fmt.Sprintf("-> Web3 virtual server API"))
|
||||
|
||||
self.sfs = api.NewSwarmFS(self.api)
|
||||
self.sfs = fuse.NewSwarmFS(self.api)
|
||||
log.Debug("-> Initializing Fuse file system")
|
||||
|
||||
return self, nil
|
||||
@ -262,7 +263,7 @@ func (self *Swarm) APIs() []rpc.API {
|
||||
},
|
||||
{
|
||||
Namespace: "swarmfs",
|
||||
Version: api.Swarmfs_Version,
|
||||
Version: fuse.Swarmfs_Version,
|
||||
Service: self.sfs,
|
||||
Public: false,
|
||||
},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user