Golang Client.HTTPStats方法代码示例

func newUploader() *Uploader {
	var cc *client.Client
	var httpStats *httputil.StatsTransport
	if d := *flagBlobDir; d != "" {
		ss, err := dir.New(d)
		if err != nil && d == "discard" {
			ss = discardStorage{}
			err = nil
		}
		if err != nil {
			log.Fatalf("Error using dir %s as storage: %v", d, err)
		}
		cc = client.NewStorageClient(ss)
	} else {
		var proxy func(*http.Request) (*url.URL, error)
		if flagProxyLocal {
			proxy = proxyFromEnvironment
		}
		cc = client.NewOrFail(client.OptionTransportConfig(&client.TransportConfig{
			Proxy:   proxy,
			Verbose: *flagHTTP,
		}))
		httpStats = cc.HTTPStats()
	}
	if *cmdmain.FlagVerbose {
		cc.SetLogger(log.New(cmdmain.Stderr, "", log.LstdFlags))
	} else {
		cc.SetLogger(nil)
	}

	pwd, err := os.Getwd()
	if err != nil {
		log.Fatalf("os.Getwd: %v", err)
	}

	return &Uploader{
		Client: cc,
		stats:  httpStats,
		pwd:    pwd,
		fdGate: syncutil.NewGate(100), // gate things that waste fds, assuming a low system limit
	}
}

func main() {
	client.AddFlags()
	flag.Parse()

	if *cmdmain.FlagHelp {
		flag.PrintDefaults()
	}

	if *flagVersion {
		fmt.Fprintf(os.Stderr, "camget version: %s\n", buildinfo.Version())
		return
	}

	if *cmdmain.FlagLegal {
		cmdmain.PrintLicenses()
		return
	}

	if *flagGraph && flag.NArg() != 1 {
		log.Fatalf("The --graph option requires exactly one parameter.")
	}

	var cl *client.Client
	var items []blob.Ref

	optTransportConfig := client.OptionTransportConfig(&client.TransportConfig{
		Verbose: *flagHTTP,
	})

	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,
			client.OptionInsecure(*flagInsecureTLS),
			client.OptionTrustedCert(*flagTrustedCert),
			optTransportConfig,
		)
		if err != nil {
			log.Fatal(err)
		}
		cl = cl1
		items = append(items, target)
	} else {
		if *flagTrustedCert != "" {
			log.Fatal("Can't use --cert without --shared.")
		}
		cl = client.NewOrFail(client.OptionInsecure(*flagInsecureTLS), optTransportConfig)
		for n := 0; n < flag.NArg(); n++ {
			arg := flag.Arg(n)
			br, ok := blob.Parse(arg)
			if !ok {
				log.Fatalf("Failed to parse argument %q as a blobref.", arg)
			}
			items = append(items, br)
		}
	}

	httpStats := cl.HTTPStats()

	diskCacheFetcher, err := cacher.NewDiskCache(cl)
	if err != nil {
		log.Fatalf("Error setting up local disk cache: %v", err)
	}
	defer diskCacheFetcher.Clean()
	if *flagVerbose {
		log.Printf("Using temp blob cache directory %s", diskCacheFetcher.Root)
	}
	if *flagShared != "" {
		diskCacheFetcher.SetCacheHitHook(func(br blob.Ref, rc io.ReadCloser) (io.ReadCloser, error) {
			var buf bytes.Buffer
			if err := cl.UpdateShareChain(br, io.TeeReader(rc, &buf)); err != nil {
				rc.Close()
				return nil, err
			}
			return struct {
				io.Reader
				io.Closer
			}{io.MultiReader(&buf, rc), rc}, nil
		})
	}

	for _, br := range items {
		if *flagGraph {
			printGraph(diskCacheFetcher, 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 {
				rc, err = schema.NewFileReader(diskCacheFetcher, br)
//.........这里部分代码省略.........