a go version bbfs

gofuse/bbfs/bbfs.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"runtime"
+
+	"bazil.org/fuse"
+	"bazil.org/fuse/fs"
+	_ "bazil.org/fuse/fs/fstestutil"
+)
+
+func usage() {
+	fmt.Fprintf(os.Stderr, "Useage:\n\t%s ROOT_DIR MNT_DIR\n", os.Args[0])
+
+	flag.PrintDefaults()
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+
+	if flag.NArg() != 2 {
+		usage()
+		return
+	}
+
+	var rootDir string
+	var mntDir string
+	rootDir = flag.Arg(0)
+	mntDir = flag.Arg(1)
+
+	// get a mount connection
+	mntConn, mnterr := fuse.Mount(mntDir,
+		fuse.FSName("bbfs"),
+		fuse.Subtype("gobbFs"),
+		fuse.LocalVolume(),
+		fuse.VolumeName("bbFs"),
+	)
+
+	defer func() {
+		if mnterr == nil && mntConn != nil {
+			mntConn.Close()
+		}
+	}()
+
+	if mnterr != nil {
+		logErr(runtime.Caller(0))
+		return
+	}
+
+	// wait mount
+	<-mntConn.Ready
+
+	var err error = nil
+	err = mntConn.MountError
+
+	if err != nil {
+		logErr(runtime.Caller(0))
+		return
+	}
+
+	bbFs := NewBbFs(rootDir)
+
+	Log(runtime.Caller(0))
+	// run a go-fuse server
+	go func() {
+		err = fs.Serve(mntConn, bbFs)
+		if err != nil {
+			logErr(runtime.Caller(0))
+			bbFs.Destroy()
+			return
+		}
+	}()
+
+	// wait umount
+	<-bbFs.Umnt
+}