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Break the fs package up into smaller parts.

Browse Source 
The purpose of this is to make it easier to maintain and eventually to
allow the rclone backends to be re-used in other projects without
having to use the rclone configuration system.

The new code layout is documented in CONTRIBUTING.
This commit is contained in:
Nick Craig-Wood
2018-01-12 16:30:54 +00:00
parent 92624bbbf1
commit 11da2a6c9b
183 changed files with 5749 additions and 5063 deletions
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57
cmd/cmount/fs.go
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@@ -14,6 +14,7 @@ import (
"github.com/billziss-gh/cgofuse/fuse"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/fs/log"
"github.com/ncw/rclone/vfs"
"github.com/ncw/rclone/vfs/vfsflags"
"github.com/pkg/errors"
@@ -178,7 +179,7 @@ func (fsys *FS) stat(node vfs.Node, stat *fuse.Stat_t) (errc int) {
// Init is called after the filesystem is ready
func (fsys *FS) Init() {
defer fs.Trace(fsys.f, "")("")
defer log.Trace(fsys.f, "")("")
close(fsys.ready)
}
@@ -186,12 +187,12 @@ func (fsys *FS) Init() {
// the file system is terminated the file system may not receive the
// Destroy call).
func (fsys *FS) Destroy() {
defer fs.Trace(fsys.f, "")("")
defer log.Trace(fsys.f, "")("")
}
// Getattr reads the attributes for path
func (fsys *FS) Getattr(path string, stat *fuse.Stat_t, fh uint64) (errc int) {
defer fs.Trace(path, "fh=0x%X", fh)("errc=%v", &errc)
defer log.Trace(path, "fh=0x%X", fh)("errc=%v", &errc)
node, _, errc := fsys.getNode(path, fh)
if errc == 0 {
errc = fsys.stat(node, stat)
@@ -201,7 +202,7 @@ func (fsys *FS) Getattr(path string, stat *fuse.Stat_t, fh uint64) (errc int) {
// Opendir opens path as a directory
func (fsys *FS) Opendir(path string) (errc int, fh uint64) {
defer fs.Trace(path, "")("errc=%d, fh=0x%X", &errc, &fh)
defer log.Trace(path, "")("errc=%d, fh=0x%X", &errc, &fh)
handle, err := fsys.VFS.OpenFile(path, os.O_RDONLY, 0777)
if errc != 0 {
return translateError(err), fhUnset
@@ -215,7 +216,7 @@ func (fsys *FS) Readdir(dirPath string,
ofst int64,
fh uint64) (errc int) {
itemsRead := -1
defer fs.Trace(dirPath, "ofst=%d, fh=0x%X", ofst, fh)("items=%d, errc=%d", &itemsRead, &errc)
defer log.Trace(dirPath, "ofst=%d, fh=0x%X", ofst, fh)("items=%d, errc=%d", &itemsRead, &errc)
node, errc := fsys.getHandle(fh)
if errc != 0 {
@@ -254,13 +255,13 @@ func (fsys *FS) Readdir(dirPath string,
// Releasedir finished reading the directory
func (fsys *FS) Releasedir(path string, fh uint64) (errc int) {
defer fs.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
defer log.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
return fsys.closeHandle(fh)
}
// Statfs reads overall stats on the filessystem
func (fsys *FS) Statfs(path string, stat *fuse.Statfs_t) (errc int) {
defer fs.Trace(path, "")("stat=%+v, errc=%d", stat, &errc)
defer log.Trace(path, "")("stat=%+v, errc=%d", stat, &errc)
const blockSize = 4096
fsBlocks := uint64(1 << 50)
if runtime.GOOS == "windows" {
@@ -279,7 +280,7 @@ func (fsys *FS) Statfs(path string, stat *fuse.Statfs_t) (errc int) {
// Open opens a file
func (fsys *FS) Open(path string, flags int) (errc int, fh uint64) {
defer fs.Trace(path, "flags=0x%X", flags)("errc=%d, fh=0x%X", &errc, &fh)
defer log.Trace(path, "flags=0x%X", flags)("errc=%d, fh=0x%X", &errc, &fh)
// translate the fuse flags to os flags
flags = translateOpenFlags(flags) | os.O_CREATE
@@ -293,7 +294,7 @@ func (fsys *FS) Open(path string, flags int) (errc int, fh uint64) {
// Create creates and opens a file.
func (fsys *FS) Create(filePath string, flags int, mode uint32) (errc int, fh uint64) {
defer fs.Trace(filePath, "flags=0x%X, mode=0%o", flags, mode)("errc=%d, fh=0x%X", &errc, &fh)
defer log.Trace(filePath, "flags=0x%X, mode=0%o", flags, mode)("errc=%d, fh=0x%X", &errc, &fh)
leaf, parentDir, errc := fsys.lookupParentDir(filePath)
if errc != 0 {
return errc, fhUnset
@@ -313,7 +314,7 @@ func (fsys *FS) Create(filePath string, flags int, mode uint32) (errc int, fh ui
// Truncate truncates a file to size
func (fsys *FS) Truncate(path string, size int64, fh uint64) (errc int) {
defer fs.Trace(path, "size=%d, fh=0x%X", size, fh)("errc=%d", &errc)
defer log.Trace(path, "size=%d, fh=0x%X", size, fh)("errc=%d", &errc)
node, handle, errc := fsys.getNode(path, fh)
if errc != 0 {
return errc
@@ -332,7 +333,7 @@ func (fsys *FS) Truncate(path string, size int64, fh uint64) (errc int) {
// Read data from file handle
func (fsys *FS) Read(path string, buff []byte, ofst int64, fh uint64) (n int) {
defer fs.Trace(path, "ofst=%d, fh=0x%X", ofst, fh)("n=%d", &n)
defer log.Trace(path, "ofst=%d, fh=0x%X", ofst, fh)("n=%d", &n)
handle, errc := fsys.getHandle(fh)
if errc != 0 {
return errc
@@ -348,7 +349,7 @@ func (fsys *FS) Read(path string, buff []byte, ofst int64, fh uint64) (n int) {
// Write data to file handle
func (fsys *FS) Write(path string, buff []byte, ofst int64, fh uint64) (n int) {
defer fs.Trace(path, "ofst=%d, fh=0x%X", ofst, fh)("n=%d", &n)
defer log.Trace(path, "ofst=%d, fh=0x%X", ofst, fh)("n=%d", &n)
handle, errc := fsys.getHandle(fh)
if errc != 0 {
return errc
@@ -362,7 +363,7 @@ func (fsys *FS) Write(path string, buff []byte, ofst int64, fh uint64) (n int) {
// Flush flushes an open file descriptor or path
func (fsys *FS) Flush(path string, fh uint64) (errc int) {
defer fs.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
defer log.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
handle, errc := fsys.getHandle(fh)
if errc != 0 {
return errc
@@ -372,7 +373,7 @@ func (fsys *FS) Flush(path string, fh uint64) (errc int) {
// Release closes the file if still open
func (fsys *FS) Release(path string, fh uint64) (errc int) {
defer fs.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
defer log.Trace(path, "fh=0x%X", fh)("errc=%d", &errc)
handle, errc := fsys.getHandle(fh)
if errc != 0 {
return errc
@@ -383,7 +384,7 @@ func (fsys *FS) Release(path string, fh uint64) (errc int) {
// Unlink removes a file.
func (fsys *FS) Unlink(filePath string) (errc int) {
defer fs.Trace(filePath, "")("errc=%d", &errc)
defer log.Trace(filePath, "")("errc=%d", &errc)
leaf, parentDir, errc := fsys.lookupParentDir(filePath)
if errc != 0 {
return errc
@@ -393,7 +394,7 @@ func (fsys *FS) Unlink(filePath string) (errc int) {
// Mkdir creates a directory.
func (fsys *FS) Mkdir(dirPath string, mode uint32) (errc int) {
defer fs.Trace(dirPath, "mode=0%o", mode)("errc=%d", &errc)
defer log.Trace(dirPath, "mode=0%o", mode)("errc=%d", &errc)
leaf, parentDir, errc := fsys.lookupParentDir(dirPath)
if errc != 0 {
return errc
@@ -404,7 +405,7 @@ func (fsys *FS) Mkdir(dirPath string, mode uint32) (errc int) {
// Rmdir removes a directory
func (fsys *FS) Rmdir(dirPath string) (errc int) {
defer fs.Trace(dirPath, "")("errc=%d", &errc)
defer log.Trace(dirPath, "")("errc=%d", &errc)
leaf, parentDir, errc := fsys.lookupParentDir(dirPath)
if errc != 0 {
return errc
@@ -414,13 +415,13 @@ func (fsys *FS) Rmdir(dirPath string) (errc int) {
// Rename renames a file.
func (fsys *FS) Rename(oldPath string, newPath string) (errc int) {
defer fs.Trace(oldPath, "newPath=%q", newPath)("errc=%d", &errc)
defer log.Trace(oldPath, "newPath=%q", newPath)("errc=%d", &errc)
return translateError(fsys.VFS.Rename(oldPath, newPath))
}
// Utimens changes the access and modification times of a file.
func (fsys *FS) Utimens(path string, tmsp []fuse.Timespec) (errc int) {
defer fs.Trace(path, "tmsp=%+v", tmsp)("errc=%d", &errc)
defer log.Trace(path, "tmsp=%+v", tmsp)("errc=%d", &errc)
node, errc := fsys.lookupNode(path)
if errc != 0 {
return errc
@@ -436,59 +437,59 @@ func (fsys *FS) Utimens(path string, tmsp []fuse.Timespec) (errc int) {
// Mknod creates a file node.
func (fsys *FS) Mknod(path string, mode uint32, dev uint64) (errc int) {
defer fs.Trace(path, "mode=0x%X, dev=0x%X", mode, dev)("errc=%d", &errc)
defer log.Trace(path, "mode=0x%X, dev=0x%X", mode, dev)("errc=%d", &errc)
return -fuse.ENOSYS
}
// Fsync synchronizes file contents.
func (fsys *FS) Fsync(path string, datasync bool, fh uint64) (errc int) {
defer fs.Trace(path, "datasync=%v, fh=0x%X", datasync, fh)("errc=%d", &errc)
defer log.Trace(path, "datasync=%v, fh=0x%X", datasync, fh)("errc=%d", &errc)
// This is a no-op for rclone
return 0
}
// Link creates a hard link to a file.
func (fsys *FS) Link(oldpath string, newpath string) (errc int) {
defer fs.Trace(oldpath, "newpath=%q", newpath)("errc=%d", &errc)
defer log.Trace(oldpath, "newpath=%q", newpath)("errc=%d", &errc)
return -fuse.ENOSYS
}
// Symlink creates a symbolic link.
func (fsys *FS) Symlink(target string, newpath string) (errc int) {
defer fs.Trace(target, "newpath=%q", newpath)("errc=%d", &errc)
defer log.Trace(target, "newpath=%q", newpath)("errc=%d", &errc)
return -fuse.ENOSYS
}
// Readlink reads the target of a symbolic link.
func (fsys *FS) Readlink(path string) (errc int, linkPath string) {
defer fs.Trace(path, "")("linkPath=%q, errc=%d", &linkPath, &errc)
defer log.Trace(path, "")("linkPath=%q, errc=%d", &linkPath, &errc)
return -fuse.ENOSYS, ""
}
// Chmod changes the permission bits of a file.
func (fsys *FS) Chmod(path string, mode uint32) (errc int) {
defer fs.Trace(path, "mode=0%o", mode)("errc=%d", &errc)
defer log.Trace(path, "mode=0%o", mode)("errc=%d", &errc)
// This is a no-op for rclone
return 0
}
// Chown changes the owner and group of a file.
func (fsys *FS) Chown(path string, uid uint32, gid uint32) (errc int) {
defer fs.Trace(path, "uid=%d, gid=%d", uid, gid)("errc=%d", &errc)
defer log.Trace(path, "uid=%d, gid=%d", uid, gid)("errc=%d", &errc)
// This is a no-op for rclone
return 0
}
// Access checks file access permissions.
func (fsys *FS) Access(path string, mask uint32) (errc int) {
defer fs.Trace(path, "mask=0%o", mask)("errc=%d", &errc)
defer log.Trace(path, "mask=0%o", mask)("errc=%d", &errc)
// This is a no-op for rclone
return 0
}
// Fsyncdir synchronizes directory contents.
func (fsys *FS) Fsyncdir(path string, datasync bool, fh uint64) (errc int) {
defer fs.Trace(path, "datasync=%v, fh=0x%X", datasync, fh)("errc=%d", &errc)
defer log.Trace(path, "datasync=%v, fh=0x%X", datasync, fh)("errc=%d", &errc)
// This is a no-op for rclone
return 0
}