17 Commits

Author SHA1 Message Date
Yannick Ulrich
008f6b35a9 2. Dropped channel in sensorFileReadHandle 2023-03-23 15:20:37 +00:00
Yannick Ulrich
98775600af [ci skip] 1. dropped channels in ITProperty 2023-03-23 15:20:37 +00:00
Yannick Ulrich
613d33ff4d Follow-up to 84c7a33: added unmount.go 2023-03-23 15:20:31 +00:00
Yannick Ulrich
1a1bc30df9 Renamed device folder 2023-03-12 12:55:44 +00:00
Yannick Ulrich
c5a6e0d298 Added oneshot property to ITProperty 2023-03-12 12:43:42 +00:00
Yannick Ulrich
84c7a33c40 Added unmount function
Designed by Arsen6331
2023-03-12 12:32:56 +00:00
Yannick Ulrich
dc53ead339 Fixed 'touch' behaviour 2023-03-11 14:08:49 +00:00
Yannick Ulrich
9bbdc3bd52 fixed typo 2023-03-11 14:05:13 +00:00
Yannick Ulrich
b28c386c4e Used new error conversion routine 2023-03-04 09:19:27 +00:00
Yannick Ulrich
4c59561a99 Added error to syscall function
Some of these aren't ideal..
2023-03-04 09:14:49 +00:00
Yannick Ulrich
955e1323ce Send better syscall status codes 2023-03-01 19:36:44 +00:00
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
Yannick Ulrich
cc6fc3e1dc removed godebug dep 2023-03-01 16:45:42 +00:00
7 changed files with 243 additions and 177 deletions

21
fuse.go
View File

@@ -9,10 +9,25 @@ import (
"go.arsenm.dev/infinitime" "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 // This is where we'll mount the FS
os.Mkdir(k.String("fuse.mountpoint"), 0755) err := os.MkdirAll(k.String("fuse.mountpoint"), 0755)
root := fusefs.BuildRootNode(dev) if err != nil && !os.IsExist(err) {
return err
}
// Ignore the error because nothing might be mounted on the mountpoint
_ = fusefs.Unmount(k.String("fuse.mountpoint"))
root, err := fusefs.BuildRootNode(dev)
if err != nil {
log.Error("Building root node failed").
Err(err).
Send()
return err
}
server, err := fs.Mount(k.String("fuse.mountpoint"), root, &fs.Options{ server, err := fs.Mount(k.String("fuse.mountpoint"), root, &fs.Options{
MountOptions: fuse.MountOptions{ MountOptions: fuse.MountOptions{
// Set to true to see how the file system works. // Set to true to see how the file system works.

1
go.sum
View File

@@ -341,7 +341,6 @@ github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfn
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
github.com/lucor/goinfo v0.0.0-20210802170112-c078a2b0f08b/go.mod h1:PRq09yoB+Q2OJReAmwzKivcYyremnibWGbK7WfftHzc= github.com/lucor/goinfo v0.0.0-20210802170112-c078a2b0f08b/go.mod h1:PRq09yoB+Q2OJReAmwzKivcYyremnibWGbK7WfftHzc=
github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60= github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=

View File

@@ -1,61 +0,0 @@
package fusefs
import (
"go.arsenm.dev/infinitime"
"context"
"strconv"
)
func converterU8(ctx context.Context, in <-chan uint8) <-chan []byte {
out := make(chan []byte, 2)
go func() {
for {
select {
case <- ctx.Done():
return
case event := <-in:
out <- []byte(strconv.Itoa(int(event)) + "\n")
}
}
}()
return out
}
func converterU32(ctx context.Context, in <-chan uint32) <-chan []byte {
out := make(chan []byte, 2)
go func() {
for {
select {
case <- ctx.Done():
return
case event := <-in:
out <- []byte(strconv.Itoa(int(event)) + "\n")
}
}
}()
return out
}
func converterMotionValues(ctx context.Context, in <-chan infinitime.MotionValues) <-chan []byte {
out := make(chan []byte, 2)
go func() {
for {
select {
case <- ctx.Done():
return
case event := <-in:
out <- []byte(strconv.Itoa(int(event.X)) + " " + strconv.Itoa(int(event.Y)) + " " + strconv.Itoa(int(event.Z)) + "\n")
}
}
}()
return out
}
func converter1String(ctx context.Context, in string) <-chan []byte {
out := make(chan []byte, 2)
out <- []byte(in + "\n")
close(out)
return out
}

View File

@@ -10,12 +10,13 @@ import (
"github.com/hanwen/go-fuse/v2/fuse" "github.com/hanwen/go-fuse/v2/fuse"
"io" "io"
"bytes" "bytes"
"strconv"
) )
type ITProperty struct { type ITProperty struct {
name string name string
Ino uint64 Ino uint64
gen func(context.Context) (<-chan []byte, error) gen func() ([]byte, error)
} }
@@ -36,55 +37,59 @@ type ITNode struct {
path string path string
} }
func BuildRootNode(dev *infinitime.Device) *ITNode { var myfs *blefs.FS = nil
inodemap = make(map[string]uint64) var inodemap map[string]uint64 = nil
myfs, _ = dev.FS()
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) var properties = make([]ITProperty, 6)
func BuildProperties(dev *infinitime.Device) { func BuildProperties(dev *infinitime.Device) {
properties[0] = ITProperty{"heartrate", 2, properties[0] = ITProperty{"heartrate", 2,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans, err := dev.WatchHeartRate(ctx) ans, err := dev.HeartRate()
return converterU8(ctx, ans), err return []byte(strconv.Itoa(int(ans)) + "\n"), err
}} }}
properties[1] = ITProperty{"battery", 3, properties[1] = ITProperty{"battery", 3,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans, err := dev.WatchBatteryLevel(ctx) ans, err := dev.BatteryLevel()
return converterU8(ctx, ans), err return []byte(strconv.Itoa(int(ans)) + "\n"), err
}} }}
properties[2] = ITProperty{"motion", 4, properties[2] = ITProperty{"motion", 4,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans, err := dev.WatchMotion(ctx) ans, err := dev.Motion()
return converterMotionValues(ctx, ans), err return []byte(strconv.Itoa(int(ans.X)) + " " + strconv.Itoa(int(ans.Y)) + " " + strconv.Itoa(int(ans.Z)) + "\n"), err
}} }}
properties[3] = ITProperty{"stepcount", 5, properties[3] = ITProperty{"stepcount", 6,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans, err := dev.WatchStepCount(ctx) ans, err := dev.StepCount()
return converterU32(ctx, ans), err return []byte(strconv.Itoa(int(ans)) + "\n"), err
}} }}
properties[4] = ITProperty{"version", 6, properties[4] = ITProperty{"version", 7,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans, err := dev.Version() ans, err := dev.Version()
return converter1String(ctx, ans), err return []byte(ans + "\n"), err
}} }}
properties[5] = ITProperty{"address", 7, properties[5] = ITProperty{"address", 8,
func(ctx context.Context) (<-chan []byte, error) { func() ([]byte, error) {
ans := dev.Address() ans := dev.Address()
return converter1String(ctx, ans), nil return []byte(ans + "\n"), nil
}} }}
} }
var _ fs.NodeReaddirer = (*ITNode)(nil)
var myfs *blefs.FS = nil;
var inodemap map[string]uint64 = nil;
var _ = (fs.NodeReaddirer)((*ITNode)(nil))
// Readdir is part of the NodeReaddirer interface // Readdir is part of the NodeReaddirer interface
func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) { func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
@@ -93,7 +98,7 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
// root folder // root folder
r := make([]fuse.DirEntry, 2) r := make([]fuse.DirEntry, 2)
r[0] = fuse.DirEntry{ r[0] = fuse.DirEntry{
Name: "device", Name: "info",
Ino: 0, Ino: 0,
Mode: fuse.S_IFDIR, Mode: fuse.S_IFDIR,
} }
@@ -105,7 +110,7 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
return fs.NewListDirStream(r), 0 return fs.NewListDirStream(r), 0
case 1: case 1:
// device folder // info folder
r := make([]fuse.DirEntry, 6) r := make([]fuse.DirEntry, 6)
for ind, value := range properties { for ind, value := range properties {
r[ind] = fuse.DirEntry{ r[ind] = fuse.DirEntry{
@@ -118,13 +123,22 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
return fs.NewListDirStream(r), 0 return fs.NewListDirStream(r), 0
case 2: case 2:
// on device // on info
files, _ := myfs.ReadDir(n.path) files, err := myfs.ReadDir(n.path)
log.Info("readdir").Str("path", n.path).Int("objects", len(files)).Send() if err != nil {
log.Error("FUSE ReadDir failed").Str("path", n.path).Err(err).Send()
return nil, syscallErr(err)
}
log.Debug("FUSE ReadDir succeeded").Str("path", n.path).Int("objects", len(files)).Send()
r := make([]fuse.DirEntry, len(files)) r := make([]fuse.DirEntry, len(files))
n.lst = make([]DirEntry, len(files)) n.lst = make([]DirEntry, len(files))
for ind, entry := range 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, syscallErr(err)
}
name := info.Name() name := info.Name()
file := DirEntry{ file := DirEntry{
@@ -161,12 +175,12 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
return fs.NewListDirStream(r), 0 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) { func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
switch n.kind { switch n.kind {
case 0: case 0:
// root folder // root folder
if name == "device" { if name == "info" {
stable := fs.StableAttr{ stable := fs.StableAttr{
Mode: fuse.S_IFDIR, Mode: fuse.S_IFDIR,
Ino: uint64(0), Ino: uint64(0),
@@ -184,7 +198,7 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
return child, 0 return child, 0
} }
case 1: case 1:
// device folder // info folder
for _, value := range properties { for _, value := range properties {
if value.name == name { if value.name == name {
stable := fs.StableAttr{ stable := fs.StableAttr{
@@ -196,7 +210,6 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
return child, 0 return child, 0
} }
} }
return nil, syscall.ENOENT
case 2: case 2:
// FS object // FS object
@@ -206,9 +219,9 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
for _, file := range n.lst { for _, file := range n.lst {
if file.path != n.path + "/" + name { 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 { if file.isDir {
stable := fs.StableAttr{ 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) child := n.NewInode(ctx, operations, stable)
return child, 0 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 return nil, syscall.ENOENT
} }
@@ -240,10 +253,10 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
type bytesFileReadHandle struct { type bytesFileReadHandle struct {
content []byte 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) { 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)) end := off + int64(len(dest))
if end > int64(len(fh.content)) { if end > int64(len(fh.content)) {
end = int64(len(fh.content)) end = int64(len(fh.content))
@@ -252,18 +265,20 @@ func (fh *bytesFileReadHandle) Read(ctx context.Context, dest []byte, off int64)
} }
type sensorFileReadHandle struct { type sensorFileReadHandle struct {
ch <-chan []byte content []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) { func (fh *sensorFileReadHandle) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResult, syscall.Errno) {
content := <-fh.ch log.Info("Executing Read").Int("size", len(fh.content)).Send()
return fuse.ReadResultData(content), 0 end := off + int64(len(dest))
if end > int64(len(fh.content)) {
end = int64(len(fh.content))
}
return fuse.ReadResultData(fh.content[off:end]), 0
} }
var _ = (fs.FileFlusher)((*sensorFileReadHandle)(nil)) var _ fs.FileFlusher = (*sensorFileReadHandle)(nil)
func (fh *sensorFileReadHandle) Flush(ctx context.Context) (errno syscall.Errno) { func (fh *sensorFileReadHandle) Flush(ctx context.Context) (errno syscall.Errno) {
fh.cancel()
return 0 return 0
} }
@@ -273,64 +288,73 @@ type bytesFileWriteHandle struct {
path string 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) { 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() 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)) { if off != int64(len(fh.content)) {
log.Error("FUSE Write file size changed unexpectedly").Int("expect", int(off)).Int("received", len(fh.content)).Send()
return 0, syscall.ENXIO
} }
fh.content = append(fh.content[:], data[:]...) fh.content = append(fh.content[:], data[:]...)
return uint32(len(data)), 0 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) { 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))) fp, err := myfs.Create(fh.path, uint32(len(fh.content)))
if err != nil { 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 return syscallErr(err)
}
if len(fh.content) == 0 {
log.Debug("FUSE Flush no data to write").Str("path", fh.path).Send()
err = fp.Close()
if err != nil {
log.Error("FUSE Flush failed during close").Str("path", fh.path).Err(err).Send()
return syscallErr(err)
}
return 0
} }
go func() { go func() {
// For every progress event // For every progress event
for sent := range fp.Progress() { 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) r := bytes.NewReader(fh.content)
nread, err := io.Copy(fp, r) nread, err := io.Copy(fp, r)
if err != nil { 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() fp.Close()
return syscall.EROFS return syscallErr(err)
} }
if int(nread) != len(fh.content) { 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() fp.Close()
return syscall.EROFS return syscall.EIO
} }
err = fp.Close() err = fp.Close()
if err != nil { 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 return syscallErr(err)
} }
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 return 0
} }
var _ = (fs.FileFsyncer)((*bytesFileWriteHandle)(nil)) var _ fs.FileFsyncer = (*bytesFileWriteHandle)(nil)
func (fh *bytesFileWriteHandle) Fsync(ctx context.Context, flags uint32) (errno syscall.Errno) { func (fh *bytesFileWriteHandle) Fsync(ctx context.Context, flags uint32) (errno syscall.Errno) {
return fh.Flush(ctx) 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 { 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.Ino = bn.Ino
out.Mtime = bn.self.modtime out.Mtime = bn.self.modtime
out.Ctime = bn.self.modtime out.Ctime = bn.self.modtime
@@ -339,37 +363,37 @@ func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOu
return 0 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 { 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() log.Debug("FUSE setattr").Str("path", bn.path).Send()
out.Size = 0; out.Size = 0
out.Mtime = 0; out.Mtime = 0
return 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) { func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
switch f.kind { switch f.kind {
case 2: case 2:
// FS file // FS file
if openFlags&syscall.O_RDWR != 0 { 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 return nil, 0, syscall.EROFS
} }
if openFlags & syscall.O_WRONLY != 0 { 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{ fh = &bytesFileWriteHandle{
path : f.path, path : f.path,
content : make([]byte, 0), content : make([]byte, 0),
} }
return fh, fuse.FOPEN_DIRECT_IO, 0 return fh, fuse.FOPEN_DIRECT_IO, 0
} else { } 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) fp, err := myfs.Open(f.path)
if err != nil { 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 return nil, 0, syscallErr(err)
} }
defer fp.Close() defer fp.Close()
@@ -379,15 +403,15 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
go func() { go func() {
// For every progress event // For every progress event
for sent := range fp.Progress() { 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) _, err = io.Copy(b, fp)
if err != nil { 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() fp.Close()
return nil, 0, syscall.EROFS return nil, 0, syscallErr(err)
} }
fh = &bytesFileReadHandle{ fh = &bytesFileReadHandle{
@@ -406,24 +430,22 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
for _, value := range properties { for _, value := range properties {
if value.Ino == f.Ino { if value.Ino == f.Ino {
sub_ctx, cancel := context.WithCancel(ctx) ans, err := value.gen()
ans, err := value.gen(sub_ctx)
if err != nil { if err != nil {
return nil, 0, syscall.EROFS return nil, 0, syscallErr(err)
} }
fh = &sensorFileReadHandle{ fh = &sensorFileReadHandle{
ch: ans, content : ans,
cancel : cancel,
} }
return fh, fuse.FOPEN_DIRECT_IO, 0 return fh, fuse.FOPEN_DIRECT_IO, 0
} }
} }
} }
return nil, 0, syscall.EROFS return nil, 0, syscall.EINVAL
} }
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) { 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 { if f.kind != 2 {
return nil, nil, 0, syscall.EROFS return nil, nil, 0, syscall.EROFS
@@ -448,13 +470,13 @@ func (f *ITNode) Create(ctx context.Context, name string, flags uint32, mode uin
content : make([]byte, 0), content : make([]byte, 0),
} }
log.Info("Creating file").Str("path", path).Send() log.Debug("FUSE Creating file").Str("path", path).Send()
errno = 0 errno = 0
return node, fh, fuseFlags, 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) { func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.EntryOut) (*fs.Inode, syscall.Errno) {
if f.kind != 2 { if f.kind != 2 {
return nil, syscall.EROFS return nil, syscall.EROFS
@@ -463,11 +485,11 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
path := f.path + "/" + name path := f.path + "/" + name
err := myfs.Mkdir(path) err := myfs.Mkdir(path)
if err != nil { if err != nil {
log.Info("Mkdir failed"). log.Error("FUSE Mkdir failed").
Str("path", path). Str("path", path).
Err(err). Err(err).
Send() Send()
return nil, syscall.EROFS return nil, syscallErr(err)
} }
ino := uint64(len(inodemap)) + 11 ino := uint64(len(inodemap)) + 11
@@ -483,29 +505,33 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
} }
node := f.NewInode(ctx, operations, stable) node := f.NewInode(ctx, operations, stable)
log.Info("Mkdir sucess"). log.Debug("FUSE Mkdir success").
Str("path", path). Str("path", path).
Int("ino", int(ino)). Int("ino", int(ino)).
Send() Send()
return node, 0 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 { func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbedder, newName string, flags uint32) syscall.Errno {
if f.kind != 2 {
return syscall.EROFS
}
p1 := f.path + "/" + name p1 := f.path + "/" + name
p2 := newParent.EmbeddedInode().Path(nil)[2:] + "/" + newName p2 := newParent.EmbeddedInode().Path(nil)[2:] + "/" + newName
err := myfs.Rename(p1, p2) err := myfs.Rename(p1, p2)
if err != nil { if err != nil {
log.Error("Rename failed"). log.Error("FUSE Rename failed").
Str("src", p1). Str("src", p1).
Str("dest", p2). Str("dest", p2).
Err(err). Err(err).
Send() Send()
return syscall.EROFS return syscallErr(err)
} }
log.Info("Rename sucess"). log.Debug("FUSE Rename sucess").
Str("src", p1). Str("src", p1).
Str("dest", p2). Str("dest", p2).
Send() Send()
@@ -517,26 +543,30 @@ func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbe
return 0 return 0
} }
var _ = (fs.NodeUnlinker)((*ITNode)(nil)) var _ fs.NodeUnlinker = (*ITNode)(nil)
func (f *ITNode) Unlink(ctx context.Context, name string) syscall.Errno { func (f *ITNode) Unlink(ctx context.Context, name string) syscall.Errno {
if f.kind != 2 {
return syscall.EROFS
}
delete(inodemap, f.path + "/" + name) delete(inodemap, f.path + "/" + name)
err := myfs.Remove(f.path + "/" + name) err := myfs.Remove(f.path + "/" + name)
if err != nil { if err != nil {
log.Error("Unlink failed"). log.Error("FUSE Unlink failed").
Str("file", f.path + "/" + name). Str("file", f.path + "/" + name).
Err(err). Err(err).
Send() Send()
return syscall.EROFS return syscallErr(err)
} }
log.Info("Unlink success"). log.Debug("FUSE Unlink success").
Str("file", f.path + "/" + name). Str("file", f.path + "/" + name).
Send() Send()
return 0 return 0
} }
var _ = (fs.NodeRmdirer)((*ITNode)(nil)) var _ fs.NodeRmdirer = (*ITNode)(nil)
func (f *ITNode) Rmdir(ctx context.Context, name string) syscall.Errno { func (f *ITNode) Rmdir(ctx context.Context, name string) syscall.Errno {
return f.Unlink(ctx, name) return f.Unlink(ctx, name)
} }

View File

@@ -0,0 +1,67 @@
package fusefs
import (
"go.arsenm.dev/infinitime/blefs"
"syscall"
)
func syscallErr(err error) syscall.Errno {
if err == nil {
return 0
}
switch err {
case blefs.FSError{0x02}: // filesystem error
return syscall.EIO // TODO
case blefs.FSError{0x05}: // read-only filesystem
return syscall.EROFS
case blefs.FSError{0x03}: // no such file
return syscall.ENOENT
case blefs.FSError{0x04}: // protocol error
return syscall.EPROTO
case blefs.FSError{-5}: // input/output error
return syscall.EIO
case blefs.FSError{-84}: // filesystem is corrupted
return syscall.ENOTRECOVERABLE // TODO
case blefs.FSError{-2}: // no such directory entry
return syscall.ENOENT
case blefs.FSError{-17}: // entry already exists
return syscall.EEXIST
case blefs.FSError{-20}: // entry is not a directory
return syscall.ENOTDIR
case blefs.FSError{-39}: // directory is not empty
return syscall.ENOTEMPTY
case blefs.FSError{-9}: // bad file number
return syscall.EBADF
case blefs.FSError{-27}: // file is too large
return syscall.EFBIG
case blefs.FSError{-22}: // invalid parameter
return syscall.EINVAL
case blefs.FSError{-28}: // no space left on device
return syscall.ENOSPC
case blefs.FSError{-12}: // no more memory available
return syscall.ENOMEM
case blefs.FSError{-61}: // no attr available
return syscall.ENODATA // TODO
case blefs.FSError{-36}: // file name is too long
return syscall.ENAMETOOLONG
case blefs.ErrFileNotExists: // file does not exist
return syscall.ENOENT
case blefs.ErrFileReadOnly: // file is read only
return syscall.EACCES
case blefs.ErrFileWriteOnly: // file is write only
return syscall.EACCES
case blefs.ErrInvalidOffset: // invalid file offset
return syscall.EFAULT // TODO
case blefs.ErrOffsetChanged: // offset has already been changed
return syscall.ESPIPE
case blefs.ErrReadOpen: // only one file can be opened for reading at a time
return syscall.ENFILE
case blefs.ErrWriteOpen: // only one file can be opened for writing at a time
return syscall.ENFILE
case blefs.ErrNoRemoveRoot: // refusing to remove root directory
return syscall.EPERM
}
return syscall.EIO // TODO
}

View File

@@ -0,0 +1,15 @@
package fusefs
import (
_ "unsafe"
"github.com/hanwen/go-fuse/v2/fuse"
)
func Unmount(mountPoint string) error {
return unmount(mountPoint, &fuse.MountOptions{DirectMount: false})
}
// Unfortunately, the FUSE library does not export its unmount function,
// so this is required until that changes
//go:linkname unmount github.com/hanwen/go-fuse/v2/fuse.unmount
func unmount(mountPoint string, opts *fuse.MountOptions) error

15
main.go
View File

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