Golang flag.Int64Var函数代码示例

func main() {
	laddr := flag.String("listen", ":8001", "listen address")
	baddr := flag.String("backend", "127.0.0.1:1234", "backend address")
	secret := flag.String("secret", "the answer to life, the universe and everything", "tunnel secret")
	tunnels := flag.Uint("tunnels", 1, "low level tunnel count, 0 if work as server")
	flag.Int64Var(&tunnel.Timeout, "timeout", 10, "tunnel read/write timeout")
	flag.UintVar(&tunnel.LogLevel, "log", 1, "log level")

	flag.Usage = usage
	flag.Parse()

	app := &tunnel.App{
		Listen:  *laddr,
		Backend: *baddr,
		Secret:  *secret,
		Tunnels: *tunnels,
	}
	err := app.Start()
	if err != nil {
		fmt.Fprintf(os.Stderr, "start failed:%s\n", err.Error())
		return
	}
	go handleSignal(app)

	app.Wait()
}

func main() {
	var options Options

	flag.Var(&options.SourceDirs, "folder", "The folder to inspect for documents, can be provided multiple times")
	flag.StringVar(&options.Agency, "agency", "", "The agency to use if it's not available in the folder structure")
	flag.StringVar(&options.Component, "component", "", "The component to use if it's not available in the folder structure")
	flag.StringVar(&options.HtmlReport, "report", "report.html", "The file in which to store the HTML report")
	flag.StringVar(&options.PhpDataFile, "phpDataFile", "", "The file in which to store the file information as PHP data")
	flag.StringVar(&options.PhpVarName, "phpVarName", "$FILES", "The PHP variable to assign the file data to")
	flag.BoolVar(&options.WarnOnMissingAgency, "warnOnMissingAgency", false, "Should we warn if a agency is missing from folder structure?")
	flag.BoolVar(&options.WarnOnMissingComponent, "warnOnMissingComponent", false, "Should we warn if a component is missing from folder structure?")
	flag.Int64Var(&options.ErrorSingleFileSizeBytes, "errorSingleFileSizeBytes", 1024*500, "Display an error for any files larger than this size")
	flag.Int64Var(&options.WarnAverageFileSizeBytes, "warnAverageFileSizeBytes", 1024*384, "Display a warning if average size of files in the download exceeds this threshold")

	//options.SourceDirs.Set("C:\\Projects\\MAX-OGE\\docs-generator\\generated-files")
	options.Extensions = map[string]bool{".pdf": true}
	options.FieldsSeparator = ';'

	if options.validate() {
		var results Results
		results.Options = options
		results.walkSourceDirs()
		fmt.Println(results.LastFileIndex, "documents found in", len(results.DirsWalked), "folders.")
		results.createReport("HTML Report", htmlReportTemplate, options.HtmlReport)
		if len(options.PhpDataFile) > 0 {
			results.createReport("PHP Data", phpDataTemplate, options.PhpDataFile)
		}
	}
}

func main() {
	flag.StringVar(&target.Address, "a", "", "address of sink")
	flag.Int64Var(&target.Counter, "c", 0, "initial packet counter")
	flag.Int64Var(&target.Next, "t", 0, "initial update timestamp")
	keyFile := flag.String("k", "decrypt.pub", "sink's decryption public key")
	flag.Parse()

	if target.Address == "" {
		fmt.Fprintf(os.Stderr, "[!] no address provided.\n")
		os.Exit(1)
	}

	in, err := ioutil.ReadFile(*keyFile)
	checkError(err)

	if len(in) != 32 {
		fmt.Fprintf(os.Stderr, "[!] invalid Curve25519 public key.\n")
	}

	target.Public = in
	buf := &bytes.Buffer{}
	out, err := json.Marshal(target)
	checkError(err)

	err = json.Indent(buf, out, "", "\t")
	checkError(err)

	fmt.Printf("%s\n", buf.Bytes())

}

func init() {
	flag.Int64Var(&first, "first", 0, "first uid")
	flag.Int64Var(&last, "last", 0, "last uid")
	flag.StringVar(&local_ip, "local_ip", "0.0.0.0", "local ip")
	flag.StringVar(&host, "host", "127.0.0.1", "host")
	flag.IntVar(&port, "port", 23000, "port")
}

func main() {

	var (
		S_SERVERS       string
		S_LISTEN        string
		S_ACCESS        string
		timeout         int
		max_entries     int64
		expire_interval int64
	)

	flag.StringVar(&S_SERVERS, "proxy", "127.0.0.1:53", "we proxy requests to those servers")
	flag.StringVar(&S_LISTEN, "listen", "[::1]:5353,127.0.0.1:5353",
		"listen on (both tcp and udp), [ipv6address]:port, ipv4address:port")
	flag.StringVar(&S_ACCESS, "access", "0.0.0.0/0", "allow those networks, use 0.0.0.0/0 to allow everything")
	flag.IntVar(&timeout, "timeout", 5, "timeout")
	flag.Int64Var(&expire_interval, "expire_interval", 300, "delete expired entries every N seconds")
	flag.BoolVar(&DEBUG, "debug", false, "enable/disable debug")
	flag.Int64Var(&max_entries, "max_cache_entries", 2000000, "max cache entries")

	flag.Parse()
	servers := strings.Split(S_SERVERS, ",")
	proxyer := ServerProxy{
		giant:       new(sync.RWMutex),
		ACCESS:      make([]*net.IPNet, 0),
		SERVERS:     servers,
		s_len:       len(servers),
		NOW:         time.Now().UTC().Unix(),
		entries:     0,
		timeout:     time.Duration(timeout) * time.Second,
		max_entries: max_entries}

	for _, mask := range strings.Split(S_ACCESS, ",") {
		_, cidr, err := net.ParseCIDR(mask)
		if err != nil {
			panic(err)
		}
		_D("added access for %s\n", mask)
		proxyer.ACCESS = append(proxyer.ACCESS, cidr)
	}
	for _, addr := range strings.Split(S_LISTEN, ",") {
		_D("listening @ :%s\n", addr)
		go func() {
			if err := dns.ListenAndServe(addr, "udp", proxyer); err != nil {
				log.Fatal(err)
			}
		}()

		go func() {
			if err := dns.ListenAndServe(addr, "tcp", proxyer); err != nil {
				log.Fatal(err)
			}
		}()
	}

	for {
		proxyer.NOW = time.Now().UTC().Unix()
		time.Sleep(time.Duration(1) * time.Second)
	}
}

func main() {
	dev := flag.String("d", "/dev/input/by-id/usb-0810_Twin_USB_Joystick-event-joystick", "The GH controller event device")
	flag.Int64Var(&baseNote, "b", 48, "The base midi note with no button pressed")
	flag.Int64Var(&vel, "v", 100, "Midi note velocity")
	flag.Int64Var(&midiChan, "c", 1, "Midi channel")
	flag.Parse()
	portmidi.Initialize()
	out, err := portmidi.NewOutputStream(portmidi.GetDefaultOutputDeviceId(), 32, 0)
	if err != nil {
		fmt.Println(err)
		return
	}

	c := make(chan *evdev.InputEvent)
	e := make(chan error)
	go ReadGuitar(c, e, *dev)

	for {
		select {
		case but := <-c:
			switch but.Code {
			case butGreen, butRed, butYellow, butBlue, butOrange:
				SetNote(butMap[but.Code], but.Value)
				if playing != -1 {
					SwapNote(out, baseNote+butState+octave, vel)
				}
			case butStrumbar:
				if but.Value == 255 || but.Value == 0 {
					NoteOn(out, baseNote+butState+octave, vel)
				} else if !hold {
					NoteOff(out, playing, vel)
				}
			case butSelect:
				if but.Value != 0 {
					hold = !hold
					if !hold {
						NoteOff(out, playing, vel)
					}
				}
			case butTilt:
				if but.Value == 1 {
					octave += 12
				} else {
					octave -= 12
				}
				if playing != -1 {
					SwapNote(out, baseNote+butState+octave, vel)
				}
			case butStart:
				AllNotesOff(out)
			}
		case err := <-e:
			fmt.Println(err)
			close(c)
			close(e)
			return
		default:
		}
	}
}

func init() {
	flag.StringVar(&topic, "topic", "sangrenel", "Topic to publish to")
	flag.Int64Var(&msgSize, "size", 300, "Message size in bytes")
	flag.Int64Var(&msgRate, "rate", 100000000, "Apply a global message rate limit")
	flag.IntVar(&batchSize, "batch", 0, "Max messages per batch. Defaults to unlimited (0).")
	flag.StringVar(&compressionOpt, "compression", "none", "Message compression: none, gzip, snappy")
	flag.BoolVar(&noop, "noop", false, "Test message generation performance, do not transmit messages")
	flag.IntVar(&clients, "clients", 1, "Number of Kafka client workers")
	flag.IntVar(&producers, "producers", 5, "Number of producer instances per client")
	brokerString := flag.String("brokers", "localhost:9092", "Comma delimited list of Kafka brokers")
	flag.Parse()

	brokers = strings.Split(*brokerString, ",")

	switch compressionOpt {
	case "gzip":
		compression = kafka.CompressionGZIP
	case "snappy":
		compression = kafka.CompressionSnappy
	case "none":
		compression = kafka.CompressionNone
	default:
		fmt.Printf("Invalid compression option: %s\n", compressionOpt)
		os.Exit(1)
	}

	sentCntr <- 0
	runtime.GOMAXPROCS(runtime.NumCPU())
}

func MakeConfigFromCmdline() *Config {
	tc := &Config{}
	flag.StringVar(&tc.ClientType, "client_type", "consul", "Type of client to connect with")
	flag.StringVar(&tc.BenchType, "bench_type", "read", "Type of test to run")
	flag.BoolVar(&tc.Setup, "setup", false, "Initialize the servers for test type")
	flag.Int64Var(&tc.Iterations, "iterations", 10, "Number of times to read")
	flag.Float64Var(&tc.ArrivalRate, "arrival_rate", 2, "Number of operations per second")
	flag.Int64Var(&tc.Seed, "seed", time.Now().UnixNano(), "Random number seed (defaults to current nanoseconds)")
	flag.BoolVar(&tc.Debug, "debug", false, "Enable verbose output")
	flag.StringVar(&tc.ServerHost, "server_host", "", "Override of server host:port")

	flag.Parse()

	if tc.ClientType != "consul" &&
		tc.ClientType != "etcd" &&
		tc.ClientType != "zookeeper" {
		fmt.Printf("Error: invalid client_type '%s'\n", tc.ClientType)
	}
	if tc.Debug {
		fmt.Printf("server_type = %s\n", tc.ClientType)
		fmt.Printf("server_host = %s\n", tc.ServerHost)
		fmt.Printf("setup = %t\n", tc.Setup)
		fmt.Printf("bench_type = %s\n", tc.BenchType)
		fmt.Printf("iterations = %d\n", tc.Iterations)
		fmt.Printf("arrival_rate = %f\n", tc.ArrivalRate)
		fmt.Printf("seed = %d\n", tc.Seed)
		fmt.Printf("debug = %t\n", tc.Debug)
	}

	return tc
}

func init() {
	flag.StringVar(&username, "username", os.Getenv("HIVEKIT_USER"), "Hive Home web service username (usually an email address)")
	flag.StringVar(&password, "password", os.Getenv("HIVEKIT_PASS"), "Hive Home web service password")
	flag.StringVar(&pin, "pin", os.Getenv("HIVEKIT_PIN"), "The HomeKit accessory pin (8 numeric chars)")
	flag.BoolVar(&verbose, "verbose", false, "Enable verbose logging")
	flag.Int64Var(&boostDuration, "boost-duration", 60, "Duration (minutes) to boost heating")
	flag.Int64Var(&hotWaterDuration, "boost-water", 60, "Duration (minutes) to boost hot water")
}

func init() {
	flag.Int64Var(&count, "count", 100, "files to generate")
	flag.Int64Var(&sizeMax, "size-max", 1024*100, "maximum file size in bytes")
	flag.Int64Var(&sizeMin, "size-min", 1024*5, "minimum file size in bytes")
	flag.IntVar(&resMax, "res-max", 1980, "maximum ephemeral resolution")
	flag.IntVar(&resMin, "res-min", 500, "minumum ephemeral resolution")
	flag.IntVar(&workers, "workers", 1, "concurrent workers")
	flag.StringVar(&dir, "dir", "", "working directory")
}

func parseFlags() {
	flag.StringVar(&flagHTTPAddr, "http", flagHTTPAddr, "HTTP addr")
	flag.StringVar(&flagGitHubWebhookSecret, "github-webhook-secret", flagGitHubWebhookSecret, "GitHub webhook secret")
	flag.Int64Var(&flagGroupcache, "groupcache", flagGroupcache, "Groupcache")
	flag.StringVar(&flagGroupcacheSelf, "groupcache-self", flagGroupcacheSelf, "Groupcache self")
	flag.StringVar(&flagGroupcachePeers, "groupcache-peers", flagGroupcachePeers, "Groupcache peers")
	flag.Int64Var(&flagCacheMemory, "cache-memory", flagCacheMemory, "Cache memory")
	flag.Parse()
}

func init() {
	flag.StringVar(&httpHost, "host", "0.0.0.0", "Host to bind HTTP server to")
	flag.StringVar(&httpPort, "port", "1080", "Port to bind HTTP server to")
	flag.Int64Var(&maxSize, "max-size", 0, "Maximum size of uploads in bytes")
	flag.StringVar(&dir, "dir", "./data", "Directory to store uploads in")
	flag.Int64Var(&storeSize, "store-size", 0, "Size of disk space allowed to storage")
	flag.StringVar(&basepath, "base-path", "/files/", "Basepath of the hTTP server")

	flag.Parse()
}

func init() {
	flag.StringVar(&Mode, "mode", "client", "client/server, start as client or server mode")

	flag.StringVar(&ServerUrl, "server", "http://www.baidu.com", "client mode: assign server url to test")
	flag.Int64Var(&DurationSec, "ds", 1, "client mode: request duration (milli sec)")
	flag.Int64Var(&DurationMilliSec, "dms", 100, "client mode: request duration (sec), it will replace DurationMilliSec")
	flag.Int64Var(&IntervalMilliSec, "ims", 10, "client mode: request interval (milli sec)")
	flag.StringVar(&FileSize, "filesize", "10m", "file size when request \"/\" url, default 10MB, k/kb/m/mb/g/gb all accepted")
	flag.Parse()
}

func main() {
	//
	// The purpose of this program is to demonstrate that when CloseWrite is called on a connection
	// opened across the loopback interface that received (but not acknowledged) packets will be
	// be acknowledged with an incorrect ack sequence number and so prevent the arrival of
	// packets sent after that time.
	//
	// The server waits for connections on the specified interface and port.
	// When it receives a connection it reads parameters from the connection. The parameters are:
	//	   * the number of bytes in each burst
	//    * the number of milliseconds to delay between each burst
	//    * the number of bursts to generate
	//
	// It then enters a loop and generates the specified number of bursts of specified number of characters, with a delay
	// of the specified amount between each burst.
	//
	// The client:
	//	   * connects to the server
	//	   * sends the parameters for the connection to the server
	//	   * creates a goroutine to copy the connections output to stdout and count the response bytes
	//         * delays for a specified number of milliseconds, then issues a CloseWrite on the connection
	//	   * waits for the copying goroutine to finish
	//

	var role string

	var connection ConnectionParams
	var program Program

	var closeDelay int

	flag.StringVar(&role, "role", "client", "The role of this program - either client (default) or server")
	flag.StringVar(&connection.addr, "addr", "127.0.0.1:19622", "The connection address.")
	flag.Int64Var(&program.BurstSize, "burstSize", 5, "The number of bytes in each burst.")
	flag.Int64Var(&program.BurstDelay, "burstDelay", 1000, "The number of milliseconds between each burst.")
	flag.Int64Var(&program.InitialDelay, "initialDelay", 200, "The number of milliseconds to wait before the initial burst.")
	flag.Int64Var(&program.BurstCount, "burstCount", 2, "The number of bursts to issue before closing the connection.")
	flag.Int64Var(&program.PreambleSize, "preambleSize", 69, "The number of bytes of preamble to generate prior to the initial response burst.")
	flag.IntVar(&closeDelay, "closeDelay", 0, "The number of milliseconds delay before shutting down the write side of the client's socket.")

	flag.Parse()

	var exit int

	if role == "server" {
		//
		exit = server(connection)

	} else {
		exit = client(connection, program, closeDelay)
	}

	os.Exit(exit)
}

func init() {
	flag.StringVar(&config_url, "url", "", "url to fetch (like https://www.mydomain.com/content/)")
	flag.StringVar(&config_cert, "cert", "", "x509 certificate file to use")
	flag.StringVar(&config_key, "key", "", "RSA key file to use")
	flag.Int64Var(&config_requests, "requests", 10, "Number of requests to perform")
	flag.Int64Var(&config_workers, "workers", 5, "Number of workers to use")
	flag.IntVar(&config_cpus, "cpus", runtime.NumCPU(), "Number of CPUs to use (defaults to all)")
	flag.BoolVar(&config_head_method, "head", false, "Whether to use HTTP HEAD (default is GET)")
	flag.BoolVar(&config_fail_quit, "fail", false, "Whether to exit on a non-OK response")
	flag.BoolVar(&config_quiet, "quiet", false, "do not print all responses")
}