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yannickulrich:fuse
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yannickulrich:v0.0.8
yannickulrich:v0.0.7
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Elara6331:v0.0.1
Elara6331:v0.0.5
Elara6331:v0.0.6
Elara6331:v1.0.0

5 Commits
cc6fc3e1dc ... 3b9690103b

Author SHA1 Message Date
Yannick Ulrich
3b9690103b Moved starting of fuse 2023-03-01 19:07:14 +00:00
Yannick Ulrich
b5328ece92 Made logging more consistent 2023-03-01 19:06:32 +00:00
Yannick Ulrich
2396623c73 Formatted interface checks 2023-03-01 18:57:02 +00:00
Yannick Ulrich
a54ca7afdf Handle more errors 2023-03-01 18:08:58 +00:00
Yannick Ulrich
673383f795 Stylistic changes 2023-03-01 18:08:18 +00:00
3 changed files with 87 additions and 65 deletions
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12
fuse.go
View File

@ -9,10 +9,18 @@ import (
"go.arsenm.dev/infinitime"
)
func startFuse(ctx context.Context, dev *infinitime.Device) error {
func startFUSE(ctx context.Context, dev *infinitime.Device) error {
// This is where we'll mount the FS
os.Mkdir(k.String("fuse.mountpoint"), 0755)
root := fusefs.BuildRootNode(dev)
root, err := fusefs.BuildRootNode(dev)
if err != nil {
log.Error("Building root node failed").
Err(err).
Send()
return err
return err
}
server, err := fs.Mount(k.String("fuse.mountpoint"), root, &fs.Options{
MountOptions: fuse.MountOptions{
// Set to true to see how the file system works.

125
internal/fusefs/fuse.go
View File

@ -36,11 +36,19 @@ type ITNode struct {
path string
}
func BuildRootNode(dev *infinitime.Device) *ITNode {
inodemap = make(map[string]uint64)
myfs, _ = dev.FS()
var myfs *blefs.FS = nil
var inodemap map[string]uint64 = nil
return &ITNode{kind: 0}
func BuildRootNode(dev *infinitime.Device) (*ITNode, error) {
var err error
inodemap = make(map[string]uint64)
myfs, err = dev.FS()
if err != nil {
log.Error("FUSE Failed to get filesystem").Err(err).Send()
return nil, err
}
return &ITNode{kind: 0}, nil
}
var properties = make([]ITProperty, 6)
@ -80,11 +88,7 @@ func BuildProperties(dev *infinitime.Device) {
}
var myfs *blefs.FS = nil;
var inodemap map[string]uint64 = nil;
var _ = (fs.NodeReaddirer)((*ITNode)(nil))
var _ fs.NodeReaddirer = (*ITNode)(nil)
// Readdir is part of the NodeReaddirer interface
func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
@ -119,12 +123,21 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
case 2:
// on device
files, _ := myfs.ReadDir(n.path)
log.Info("readdir").Str("path", n.path).Int("objects", len(files)).Send()
files, err := myfs.ReadDir(n.path)
if err != nil {
log.Error("FUSE ReadDir failed").Str("path", n.path).Err(err).Send()
return nil, syscall.ENOENT
}
log.Debug("FUSE ReadDir succeeded").Str("path", n.path).Int("objects", len(files)).Send()
r := make([]fuse.DirEntry, len(files))
n.lst = make([]DirEntry, len(files))
for ind, entry := range files {
info, _ := entry.Info()
info, err := entry.Info()
if err != nil {
log.Error("FUSE Info failed").Str("path", n.path).Err(err).Send()
return nil, syscall.ENOENT
}
name := info.Name()
file := DirEntry{
@ -161,7 +174,7 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
return fs.NewListDirStream(r), 0
}
var _ = (fs.NodeLookuper)((*ITNode)(nil))
var _ fs.NodeLookuper = (*ITNode)(nil)
func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
switch n.kind {
case 0:
@ -206,9 +219,9 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
for _, file := range n.lst {
if file.path != n.path + "/" + name {
continue;
continue
}
log.Info("LookUp successful").Str("path", file.path).Send()
log.Debug("FUSE Lookup successful").Str("path", file.path).Send()
if file.isDir {
stable := fs.StableAttr{
@ -230,9 +243,9 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
child := n.NewInode(ctx, operations, stable)
return child, 0
}
break;
break
}
log.Warn("LookUp failed").Str("path", n.path + "/" + name).Send()
log.Warn("FUSE Lookup failed").Str("path", n.path + "/" + name).Send()
}
return nil, syscall.ENOENT
}
@ -240,10 +253,10 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
type bytesFileReadHandle struct {
content []byte
}
var _ = (fs.FileReader)((*bytesFileReadHandle)(nil))
var _ fs.FileReader = (*bytesFileReadHandle)(nil)
func (fh *bytesFileReadHandle) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResult, syscall.Errno) {
log.Info("Executing Read").Int("size", len(fh.content)).Send()
log.Debug("FUSE Executing Read").Int("size", len(fh.content)).Send()
end := off + int64(len(dest))
if end > int64(len(fh.content)) {
end = int64(len(fh.content))
@ -255,13 +268,13 @@ type sensorFileReadHandle struct {
ch <-chan []byte
cancel context.CancelFunc
}
var _ = (fs.FileReader)((*sensorFileReadHandle)(nil))
var _ fs.FileReader = (*sensorFileReadHandle)(nil)
func (fh *sensorFileReadHandle) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResult, syscall.Errno) {
content := <-fh.ch
return fuse.ReadResultData(content), 0
}
var _ = (fs.FileFlusher)((*sensorFileReadHandle)(nil))
var _ fs.FileFlusher = (*sensorFileReadHandle)(nil)
func (fh *sensorFileReadHandle) Flush(ctx context.Context) (errno syscall.Errno) {
fh.cancel()
return 0
@ -273,7 +286,7 @@ type bytesFileWriteHandle struct {
path string
}
var _ = (fs.FileWriter)((*bytesFileWriteHandle)(nil))
var _ fs.FileWriter = (*bytesFileWriteHandle)(nil)
func (fh *bytesFileWriteHandle) Write(ctx context.Context, data []byte, off int64) (written uint32, errno syscall.Errno) {
log.Info("Executing Write").Str("path", fh.path).Int("prev_size", len(fh.content)).Int("next_size", len(data)).Send()
if off != int64(len(fh.content)) {
@ -282,55 +295,55 @@ func (fh *bytesFileWriteHandle) Write(ctx context.Context, data []byte, off int6
return uint32(len(data)), 0
}
var _ = (fs.FileFlusher)((*bytesFileWriteHandle)(nil))
var _ fs.FileFlusher = (*bytesFileWriteHandle)(nil)
func (fh *bytesFileWriteHandle) Flush(ctx context.Context) (errno syscall.Errno) {
if len(fh.content) == 0 {
return 0
}
log.Info("Attempting flush").Str("path", fh.path).Send()
log.Debug("FUSE Attempting flush").Str("path", fh.path).Send()
fp, err := myfs.Create(fh.path, uint32(len(fh.content)))
if err != nil {
log.Error("Flush failed: create").Str("path", fh.path).Err(err).Send()
log.Error("FUSE Flush failed: create").Str("path", fh.path).Err(err).Send()
return syscall.EROFS
}
go func() {
// For every progress event
for sent := range fp.Progress() {
log.Info("Progress").Int("bytes", int(sent)).Int("of", len(fh.content)).Send();
log.Debug("FUSE Flush progress").Int("bytes", int(sent)).Int("total", len(fh.content)).Send()
}
}()
r := bytes.NewReader(fh.content)
nread, err := io.Copy(fp, r)
if err != nil {
log.Error("Flush failed: write").Str("path", fh.path).Err(err).Send()
log.Error("FUSE Flush failed during write").Str("path", fh.path).Err(err).Send()
fp.Close()
return syscall.EROFS
}
if int(nread) != len(fh.content) {
log.Error("Flush failed: write").Str("path", fh.path).Int("expect", len(fh.content)).Int("got", int(nread)).Send()
log.Error("FUSE Flush failed during write").Str("path", fh.path).Int("expect", len(fh.content)).Int("got", int(nread)).Send()
fp.Close()
return syscall.EROFS
}
err = fp.Close()
if err != nil {
log.Error("Flush failed: close").Str("path", fh.path).Err(err).Send()
log.Error("FUSE Flush failed during close").Str("path", fh.path).Err(err).Send()
return syscall.EROFS
}
log.Info("Flush done").Str("path", fh.path).Int("size", len(fh.content)).Send()
log.Debug("FUSE Flush done").Str("path", fh.path).Int("size", len(fh.content)).Send()
return 0
}
var _ = (fs.FileFsyncer)((*bytesFileWriteHandle)(nil))
var _ fs.FileFsyncer = (*bytesFileWriteHandle)(nil)
func (fh *bytesFileWriteHandle) Fsync(ctx context.Context, flags uint32) (errno syscall.Errno) {
return fh.Flush(ctx)
}
var _ = (fs.NodeGetattrer)((*ITNode)(nil))
var _ fs.NodeGetattrer = (*ITNode)(nil)
func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
log.Info("getattr").Str("path", bn.path).Send();
log.Debug("FUSE getattr").Str("path", bn.path).Send()
out.Ino = bn.Ino
out.Mtime = bn.self.modtime
out.Ctime = bn.self.modtime
@ -339,36 +352,36 @@ func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOu
return 0
}
var _ = (fs.NodeSetattrer)((*ITNode)(nil))
var _ fs.NodeSetattrer = (*ITNode)(nil)
func (bn *ITNode) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetAttrIn, out *fuse.AttrOut) syscall.Errno {
log.Info("setattr").Str("path", bn.path).Send()
out.Size = 0;
out.Mtime = 0;
log.Debug("FUSE setattr").Str("path", bn.path).Send()
out.Size = 0
out.Mtime = 0
return 0
}
var _ = (fs.NodeOpener)((*ITNode)(nil))
var _ fs.NodeOpener = (*ITNode)(nil)
func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
switch f.kind {
case 2:
// FS file
if openFlags&syscall.O_RDWR != 0 {
log.Warn("open: failed RDWR").Str("path", f.path).Send()
log.Error("FUSE Open failed: RDWR").Str("path", f.path).Send()
return nil, 0, syscall.EROFS
}
if openFlags & syscall.O_WRONLY != 0 {
log.Info("Opening file: write").Str("path", f.path).Send()
log.Debug("FUSE Opening for write").Str("path", f.path).Send()
fh = &bytesFileWriteHandle{
path : f.path,
content : make([]byte, 0),
}
return fh, fuse.FOPEN_DIRECT_IO, 0
} else {
log.Info("Opening file: read").Str("path", f.path).Send();
log.Debug("FUSE Opening for read").Str("path", f.path).Send()
fp, err := myfs.Open(f.path)
if err != nil {
log.Error("Opening file failed").Str("path", f.path).Err(err).Send();
log.Error("FUSE: Opening failed").Str("path", f.path).Err(err).Send()
return nil, 0, syscall.EROFS
}
@ -379,13 +392,13 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
go func() {
// For every progress event
for sent := range fp.Progress() {
log.Info("Progress").Int("bytes", int(sent)).Int("of", int(f.self.size)).Send();
log.Debug("FUSE Read progress").Int("bytes", int(sent)).Int("total", int(f.self.size)).Send()
}
}()
_, err = io.Copy(b, fp)
if err != nil {
log.Error("Read failed").Str("path", f.path).Err(err).Send()
log.Error("FUSE Read failed").Str("path", f.path).Err(err).Send()
fp.Close()
return nil, 0, syscall.EROFS
}
@ -423,7 +436,7 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
return nil, 0, syscall.EROFS
}
var _ = (fs.NodeCreater)((*ITNode)(nil))
var _ fs.NodeCreater = (*ITNode)(nil)
func (f *ITNode) Create(ctx context.Context, name string, flags uint32, mode uint32, out *fuse.EntryOut) (node *fs.Inode, fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
if f.kind != 2 {
return nil, nil, 0, syscall.EROFS
@ -448,13 +461,13 @@ func (f *ITNode) Create(ctx context.Context, name string, flags uint32, mode uin
content : make([]byte, 0),
}
log.Info("Creating file").Str("path", path).Send()
log.Debug("FUSE Creating file").Str("path", path).Send()
errno = 0
return node, fh, fuseFlags, 0
}
var _ = (fs.NodeMkdirer)((*ITNode)(nil))
var _ fs.NodeMkdirer = (*ITNode)(nil)
func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
if f.kind != 2 {
return nil, syscall.EROFS
@ -463,7 +476,7 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
path := f.path + "/" + name
err := myfs.Mkdir(path)
if err != nil {
log.Info("Mkdir failed").
log.Error("FUSE Mkdir failed").
Str("path", path).
Err(err).
Send()
@ -483,21 +496,21 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
}
node := f.NewInode(ctx, operations, stable)
log.Info("Mkdir sucess").
log.Debug("FUSE Mkdir success").
Str("path", path).
Int("ino", int(ino)).
Send()
return node, 0
}
var _ = (fs.NodeRenamer)((*ITNode)(nil))
var _ fs.NodeRenamer = (*ITNode)(nil)
func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbedder, newName string, flags uint32) syscall.Errno {
p1 := f.path + "/" + name
p2 := newParent.EmbeddedInode().Path(nil)[2:] + "/" + newName
err := myfs.Rename(p1, p2)
if err != nil {
log.Error("Rename failed").
log.Error("FUSE Rename failed").
Str("src", p1).
Str("dest", p2).
Err(err).
@ -505,7 +518,7 @@ func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbe
return syscall.EROFS
}
log.Info("Rename sucess").
log.Debug("FUSE Rename sucess").
Str("src", p1).
Str("dest", p2).
Send()
@ -517,12 +530,12 @@ func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbe
return 0
}
var _ = (fs.NodeUnlinker)((*ITNode)(nil))
var _ fs.NodeUnlinker = (*ITNode)(nil)
func (f *ITNode) Unlink(ctx context.Context, name string) syscall.Errno {
delete(inodemap, f.path + "/" + name)
err := myfs.Remove(f.path + "/" + name)
if err != nil {
log.Error("Unlink failed").
log.Error("FUSE Unlink failed").
Str("file", f.path + "/" + name).
Err(err).
Send()
@ -530,13 +543,13 @@ func (f *ITNode) Unlink(ctx context.Context, name string) syscall.Errno {
return syscall.EROFS
}
log.Info("Unlink success").
log.Debug("FUSE Unlink success").
Str("file", f.path + "/" + name).
Send()
return 0
}
var _ = (fs.NodeRmdirer)((*ITNode)(nil))
var _ fs.NodeRmdirer = (*ITNode)(nil)
func (f *ITNode) Rmdir(ctx context.Context, name string) syscall.Errno {
return f.Unlink(ctx, name)
}

15
main.go
View File

@ -181,18 +181,19 @@ func main() {
log.Error("Error intializing puremaps integration").Err(err).Send()
}
// Start fuse socket
if k.Bool("fuse.enabled") {
err = startFUSE(ctx, dev)
if err != nil {
log.Error("Error starting fuse socket").Err(err).Send()
}
}
// Start control socket
err = startSocket(ctx, dev)
if err != nil {
log.Error("Error starting socket").Err(err).Send()
}
// Start fuse socket
if k.Bool("fuse.enabled") {
err = startFuse(ctx, dev)
if err != nil {
log.Error("Error starting fuse socket").Err(err).Send()
}
}
// Block forever
select {}
}