Improved logging
This commit is contained in:
Yannick Ulrich
parent
5d71ae245c
commit
1a5970a041
63
fuse/main.go
63
fuse/main.go
@ -1,7 +1,7 @@
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package main
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import (
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"log"
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"go.arsenm.dev/logger/log"
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"os"
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"context"
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"syscall"
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@ -100,6 +100,7 @@ func (n *ITNode) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
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case 2:
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// on device
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files, _ := myfs.ReadDir(n.path)
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log.Info("readdir").Str("path", n.path).Int("objects", len(files)).Send()
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r := make([]fuse.DirEntry, len(files))
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n.lst = files
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for ind, file := range files {
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@ -174,7 +175,7 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
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if file.path != n.path + "/" + name {
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continue;
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}
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log.Println("matched", name)
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log.Info("LookUp successful").Str("path", file.path).Send()
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if file.flags & 0b1 == 1 {
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stable := fs.StableAttr{
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@ -198,6 +199,7 @@ func (n *ITNode) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (*
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}
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break;
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}
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log.Warn("LookUp failed").Str("path", n.path + "/" + name).Send()
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}
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return nil, syscall.ENOENT
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}
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@ -208,6 +210,7 @@ type bytesFileReadHandle struct {
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var _ = (fs.FileReader)((*bytesFileReadHandle)(nil))
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func (fh *bytesFileReadHandle) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResult, syscall.Errno) {
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log.Info("Executing Read").Int("size", len(fh.content)).Send()
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end := off + int64(len(dest))
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if end > int64(len(fh.content)) {
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end = int64(len(fh.content))
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@ -222,6 +225,7 @@ type bytesFileWriteHandle struct {
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var _ = (fs.FileWriter)((*bytesFileWriteHandle)(nil))
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func (fh *bytesFileWriteHandle) Write(ctx context.Context, data []byte, off int64) (written uint32, errno syscall.Errno) {
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log.Info("Executing Write").Str("path", fh.path).Int("size", len(fh.content)).Send()
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if off != int64(len(fh.content)) {
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}
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fh.content = append(fh.content[:], data[:]...)
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@ -230,14 +234,19 @@ func (fh *bytesFileWriteHandle) Write(ctx context.Context, data []byte, off int6
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var _ = (fs.FileFlusher)((*bytesFileWriteHandle)(nil))
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func (fh *bytesFileWriteHandle) Flush(ctx context.Context) (errno syscall.Errno) {
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log.Info("Attempting flush").Str("path", fh.path).Send()
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fp, err := myfs.Create(fh.path, uint32(len(fh.content)))
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if err != nil {
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log.Error("Flush failed: create").Str("path", fh.path).Err(err).Send()
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return syscall.EROFS
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}
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nread, err := fp.Write(fh.content)
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if err != nil || nread != len(fh.content) {
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log.Error("Flush failed: write").Str("path", fh.path).Err(err).Send()
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fp.Close()
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return syscall.EROFS
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}
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log.Info("Flush done").Str("path", fh.path).Int("size", len(fh.content)).Send()
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return 0
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}
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@ -248,6 +257,7 @@ func (fh *bytesFileWriteHandle) Fsync(ctx context.Context, flags uint32) (errno
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var _ = (fs.NodeGetattrer)((*ITNode)(nil))
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func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
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log.Info("getattr").Str("path", bn.path).Send();
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out.Ino = bn.Ino
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out.Mtime = bn.self.modtime
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out.Ctime = bn.self.modtime
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@ -258,6 +268,7 @@ func (bn *ITNode) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOu
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var _ = (fs.NodeSetattrer)((*ITNode)(nil))
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func (bn *ITNode) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetAttrIn, out *fuse.AttrOut) syscall.Errno {
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log.Info("setattr").Str("path", bn.path).Send()
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out.Size = 0;
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out.Mtime = 0;
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return 0
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@ -269,24 +280,29 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
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case 2:
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// FS file
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if openFlags&syscall.O_RDWR != 0 {
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log.Warn("open: failed RDWR").Str("path", f.path).Send()
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return nil, 0, syscall.EROFS
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}
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if openFlags & syscall.O_WRONLY != 0 {
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log.Info("Opening file: write").Str("path", f.path).Send()
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fh = &bytesFileWriteHandle{
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path : f.path,
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content : make([]byte, 0),
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}
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return fh, fuse.FOPEN_DIRECT_IO, 0
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} else {
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log.Info("Opening file: read").Str("path", f.path).Send();
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fp, err := myfs.Open(f.path)
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if err != nil {
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log.Error("Opening file failed").Str("path", f.path).Err(err).Send();
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return nil, 0, syscall.EROFS
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}
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buf := make([]byte, f.self.size);
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nread, err := fp.Read(buf)
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if err != nil || nread != int(f.self.size) {
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log.Error("Reading file failed").Str("path", f.path).Err(err).Send();
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return nil, 0, syscall.EROFS
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}
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@ -346,6 +362,8 @@ func (f *ITNode) Create(ctx context.Context, name string, flags uint32, mode uin
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content : make([]byte, 0),
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}
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log.Info("Creating file").Str("path", path).Send()
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errno = 0
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return node, fh, fuseFlags, 0
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}
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@ -359,6 +377,10 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
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path := f.path + "/" + name
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err := myfs.Mkdir(path)
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if err != nil {
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log.Info("Mkdir failed").
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Str("path", path).
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Err(err).
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Send()
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return nil, syscall.EROFS
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}
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@ -374,6 +396,11 @@ func (f *ITNode) Mkdir(ctx context.Context, name string, mode uint32, out *fuse.
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path : path,
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}
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node := f.NewInode(ctx, operations, stable)
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log.Info("Mkdir sucess").
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Str("path", path).
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Int("ino", int(ino)).
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Send()
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return node, 0
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}
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@ -384,8 +411,18 @@ func (f *ITNode) Rename(ctx context.Context, name string, newParent fs.InodeEmbe
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err := myfs.Rename(p1, p2)
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if err != nil {
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log.Error("Rename failed").
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Str("src", p1).
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Str("dest", p2).
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Err(err).
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Send()
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return syscall.EROFS
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}
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log.Info("Rename sucess").
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Str("src", p1).
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Str("dest", p2).
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Send()
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ino := inodemap[p1]
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delete(inodemap, p1)
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@ -399,8 +436,18 @@ func (f *ITNode) Unlink(ctx context.Context, name string) syscall.Errno {
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delete(inodemap, f.path + "/" + name)
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err := myfs.Remove(f.path + "/" + name)
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if err != nil {
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log.Error("Unlink failed").
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Str("file", f.path + "/" + name).
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Err(err).
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Send()
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return syscall.EROFS
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}
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log.Info("Unlink success").
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Str("file", f.path + "/" + name).
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Err(err).
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Send()
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return 0
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}
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@ -421,10 +468,17 @@ func main() {
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},
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})
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if err != nil {
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log.Panic(err)
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log.Error("Mounting failed").
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Str("target", mntDir).
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Err(err).
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Send()
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return err
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}
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dev := Device{};
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log.Info("Mounted on target").
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Str("target", mntDir).
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Send()
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properties[0].f = dev.HeartRateBytes;
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properties[1].f = dev.BatteryLevelBytes;
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@ -433,9 +487,6 @@ func main() {
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properties[4].f = dev.VersionBytes;
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properties[5].f = dev.AddressBytes;
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log.Printf("Mounted on %s", mntDir)
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log.Printf("Unmount by calling 'fusermount -u %s'", mntDir)
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myfs = &FS{};
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inodemap = make(map[string]uint64)
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