func main() { // Scans the arg list and sets up flags debug := flag.Bool("debug", false, "print debugging messages.") client.AddFlags() flag.Parse() errorf := func(msg string, args ...interface{}) { fmt.Fprintf(os.Stderr, msg, args...) os.Exit(2) } if n := flag.NArg(); n < 1 || n > 2 { errorf("usage: cammount <mountpoint> [<root-blobref>]\n") } mountPoint := flag.Arg(0) client := client.NewOrFail() // automatic from flags cacheDir, err := ioutil.TempDir("", "camlicache") if err != nil { errorf("Error creating temp cache directory: %v\n", err) } defer os.RemoveAll(cacheDir) diskcache, err := localdisk.New(cacheDir) if err != nil { errorf("Error setting up local disk cache: %v", err) } fetcher := cacher.NewCachingFetcher(diskcache, client) var camfs *fs.CamliFileSystem if flag.NArg() == 2 { root := blobref.Parse(flag.Arg(1)) if root == nil { errorf("Error parsing root blobref: %q\n", root) } var err error camfs, err = fs.NewRootedCamliFileSystem(fetcher, root) if err != nil { errorf("Error creating root with %v: %v", root, err) } } else { camfs = fs.NewCamliFileSystem(fetcher) log.Printf("starting with fs %#v", camfs) } if *debug { // TODO: set fs's logger } conn, err := fuse.Mount(mountPoint) if err != nil { log.Fatalf("Mount: %v", err) } err = conn.Serve(camfs) if err != nil { log.Fatalf("Serve: %v", err) } log.Printf("fuse process ending.") }
// TODO(rh): tame copy/paste code from cammount func main() { client.AddFlags() flag.Parse() cacheDir, err := ioutil.TempDir("", "camlicache") if err != nil { log.Fatalf("Error creating temp cache directory: %v", err) } defer os.RemoveAll(cacheDir) diskcache, err := localdisk.New(cacheDir) if err != nil { log.Fatalf("Error setting up local disk cache: %v", err) } if flag.NArg() != 1 { log.Fatal("usage: camwebdav <blobref>") } br := blobref.Parse(flag.Arg(0)) if br == nil { log.Fatalf("%s was not a valid blobref.", flag.Arg(0)) } client := client.NewOrFail() fetcher := cacher.NewCachingFetcher(diskcache, client) f = fs.NewCamliFileSystem(fetcher, br) http.HandleFunc("/", webdav) err = http.ListenAndServe(*davaddr, nil) if err != nil { log.Fatalf("Error starting WebDAV server: %v", err) } }
func main() { client.AddFlags() flag.Parse() if *flagGraph && flag.NArg() != 1 { log.Fatalf("The --graph option requires exactly one parameter.") } var cl *client.Client var items []*blobref.BlobRef if *flagShared != "" { if client.ExplicitServer() != "" { log.Fatal("Can't use --shared with an explicit blobserver; blobserver is implicit from the --shared URL.") } if flag.NArg() != 0 { log.Fatal("No arguments permitted when using --shared") } cl1, target, err := client.NewFromShareRoot(*flagShared) if err != nil { log.Fatal(err) } cl = cl1 items = append(items, target) } else { cl = client.NewOrFail() for n := 0; n < flag.NArg(); n++ { arg := flag.Arg(n) br := blobref.Parse(arg) if br == nil { log.Fatalf("Failed to parse argument %q as a blobref.", arg) } items = append(items, br) } } httpStats := &httputil.StatsTransport{ VerboseLog: *flagHTTP, } if *flagHTTP { httpStats.Transport = &http.Transport{ Dial: func(net_, addr string) (net.Conn, error) { log.Printf("Dialing %s", addr) return net.Dial(net_, addr) }, } } cl.SetHTTPClient(&http.Client{Transport: httpStats}) // Put a local disk cache in front of the HTTP client. // TODO: this could be better about proactively cleaning things. // Fetching 2 TB shouldn't write 2 TB to /tmp before it's done. // Maybe the cache needs an LRU/size cap. cacheDir, err := ioutil.TempDir("", "camlicache") if err != nil { log.Fatalf("Error creating temp cache directory: %v\n", err) } defer os.RemoveAll(cacheDir) diskcache, err := localdisk.New(cacheDir) if err != nil { log.Fatalf("Error setting up local disk cache: %v", err) } if *flagVerbose { log.Printf("Using temp blob cache directory %s", cacheDir) } fetcher := cacher.NewCachingFetcher(diskcache, cl) for _, br := range items { if *flagGraph { printGraph(fetcher, br) return } if *flagCheck { // TODO: do HEAD requests checking if the blobs exists. log.Fatal("not implemented") return } if *flagOutput == "-" { var rc io.ReadCloser var err error if *flagContents { seekFetcher := blobref.SeekerFromStreamingFetcher(fetcher) rc, err = schema.NewFileReader(seekFetcher, br) if err == nil { rc.(*schema.FileReader).LoadAllChunks() } } else { rc, err = fetch(fetcher, br) } if err != nil { log.Fatal(err) } defer rc.Close() if _, err := io.Copy(os.Stdout, rc); err != nil { log.Fatalf("Failed reading %q: %v", br, err) } } else { if err := smartFetch(fetcher, *flagOutput, br); err != nil { log.Fatal(err) } } } if *flagVerbose { log.Printf("HTTP requests: %d\n", httpStats.Requests()) } }