func main() {
var conn *fuse.Conn
// Scans the arg list and sets up flags
client.AddFlags()
flag.Usage = usage
flag.Parse()
narg := flag.NArg()
if narg > 2 {
usage()
}
var mountPoint string
var err error
if narg > 0 {
mountPoint = flag.Arg(0)
} else {
mountPoint, err = ioutil.TempDir("", "cammount")
if err != nil {
log.Fatal(err)
}
log.Printf("No mount point given. Using: %s", mountPoint)
defer os.Remove(mountPoint)
}
errorf := func(msg string, args ...interface{}) {
fmt.Fprintf(os.Stderr, msg, args...)
fmt.Fprint(os.Stderr, "\n")
usage()
}
var (
cl *client.Client
root blob.Ref // nil if only one arg
camfs *fs.CamliFileSystem
)
if narg == 2 {
rootArg := flag.Arg(1)
// not trying very hard since NewFromShareRoot will do it better with a regex
if strings.HasPrefix(rootArg, "http://") ||
strings.HasPrefix(rootArg, "https://") {
if client.ExplicitServer() != "" {
errorf("Can't use an explicit blobserver with a share URL; the blobserver is implicit from the share URL.")
}
var err error
cl, root, err = client.NewFromShareRoot(rootArg)
if err != nil {
log.Fatal(err)
}
} else {
cl = client.NewOrFail() // automatic from flags
cl.SetHTTPClient(&http.Client{Transport: cl.TransportForConfig(nil)})
var ok bool
root, ok = blob.Parse(rootArg)
if !ok {
// not a blobref, check for root name instead
req := &search.WithAttrRequest{N: 1, Attr: "camliRoot", Value: rootArg}
wres, err := cl.GetPermanodesWithAttr(req)
if err != nil {
log.Fatal("could not query search")
}
if wres.WithAttr != nil {
root = wres.WithAttr[0].Permanode
} else {
log.Fatalf("root specified is not a blobref or name of a root: %q\n", rootArg)
}
}
}
} else {
cl = client.NewOrFail() // automatic from flags
cl.SetHTTPClient(&http.Client{Transport: cl.TransportForConfig(nil)})
}
diskCacheFetcher, err := cacher.NewDiskCache(cl)
if err != nil {
log.Fatalf("Error setting up local disk cache: %v", err)
}
defer diskCacheFetcher.Clean()
if root.Valid() {
var err error
camfs, err = fs.NewRootedCamliFileSystem(cl, diskCacheFetcher, root)
if err != nil {
log.Fatalf("Error creating root with %v: %v", root, err)
}
} else {
camfs = fs.NewDefaultCamliFileSystem(cl, diskCacheFetcher)
}
if *debug {
fuse.Debugf = log.Printf
// TODO: set fs's logger
}
// This doesn't appear to work on OS X:
sigc := make(chan os.Signal, 1)
conn, err = fuse.Mount(mountPoint)
if err != nil {
if err.Error() == "cannot find load_fusefs" && runtime.GOOS == "darwin" {
log.Fatal("FUSE not available; install from http://osxfuse.github.io/")
}
log.Fatalf("Mount: %v", err)
}
xtermDone := make(chan bool, 1)
if *xterm {
cmd := exec.Command("xterm")
cmd.Dir = mountPoint
if err := cmd.Start(); err != nil {
log.Printf("Error starting xterm: %v", err)
} else {
go func() {
cmd.Wait()
xtermDone <- true
}()
defer cmd.Process.Kill()
}
}
if *open {
if runtime.GOOS == "darwin" {
cmd := exec.Command("open", mountPoint)
go cmd.Run()
}
}
signal.Notify(sigc, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
doneServe := make(chan error, 1)
go func() {
doneServe <- conn.Serve(camfs)
}()
quitKey := make(chan bool, 1)
go awaitQuitKey(quitKey)
select {
case err := <-doneServe:
log.Printf("conn.Serve returned %v", err)
case sig := <-sigc:
log.Printf("Signal %s received, shutting down.", sig)
case <-quitKey:
log.Printf("Quit key pressed. Shutting down.")
case <-xtermDone:
log.Printf("xterm done")
}
time.AfterFunc(2*time.Second, func() {
os.Exit(1)
})
log.Printf("Unmounting...")
err = fs.Unmount(mountPoint)
log.Printf("Unmount = %v", err)
log.Printf("cammount FUSE process ending.")
}