Golang mflag.String函数代码示例

func init() {
	var placeholderTrustKey string
	// TODO use flag flag.String([]string{"i", "-identity"}, "", "Path to libtrust key file")
	flTrustKey = &placeholderTrustKey

	flCa = flag.String([]string{"-tlscacert"}, filepath.Join(dockerCertPath, defaultCaFile), "Trust certs signed only by this CA")
	flCert = flag.String([]string{"-tlscert"}, filepath.Join(dockerCertPath, defaultCertFile), "Path to TLS certificate file")
	flKey = flag.String([]string{"-tlskey"}, filepath.Join(dockerCertPath, defaultKeyFile), "Path to TLS key file")
	opts.HostListVar(&flHosts, []string{"H", "-host"}, "Daemon socket(s) to connect to")

	flag.Usage = func() {
		fmt.Fprint(os.Stdout, "Usage: docker [OPTIONS] COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nOptions:\n")

		flag.CommandLine.SetOutput(os.Stdout)
		flag.PrintDefaults()

		help := "\nCommands:\n"

		sort.Sort(byName(dockerCommands))

		for _, cmd := range dockerCommands {
			help += fmt.Sprintf("    %-10.10s%s\n", cmd.name, cmd.description)
		}

		help += "\nRun 'docker COMMAND --help' for more information on a command."
		fmt.Fprintf(os.Stdout, "%s\n", help)
	}
}

func init() {
	flCa = flag.String([]string{"-tlscacert"}, filepath.Join(dockerCertPath, defaultCaFile), "Trust only remotes providing a certificate signed by the CA given here")
	flCert = flag.String([]string{"-tlscert"}, filepath.Join(dockerCertPath, defaultCertFile), "Path to TLS certificate file")
	flKey = flag.String([]string{"-tlskey"}, filepath.Join(dockerCertPath, defaultKeyFile), "Path to TLS key file")
	opts.HostListVar(&flHosts, []string{"H", "-host"}, "The socket(s) to bind to in daemon mode or connect to in client mode, specified using one or more tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd.")

	flag.Usage = func() {
		fmt.Fprint(os.Stderr, "Usage: docker [OPTIONS] COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nOptions:\n")

		flag.PrintDefaults()

		help := "\nCommands:\n"

		for _, command := range [][]string{
			{"attach", "Attach to a running container"},
			{"build", "Build an image from a Dockerfile"},
			{"commit", "Create a new image from a container's changes"},
			{"cp", "Copy files/folders from a container's filesystem to the host path"},
			{"create", "Create a new container"},
			{"diff", "Inspect changes on a container's filesystem"},
			{"events", "Get real time events from the server"},
			{"exec", "Run a command in an existing container"},
			{"export", "Stream the contents of a container as a tar archive"},
			{"history", "Show the history of an image"},
			{"images", "List images"},
			{"import", "Create a new filesystem image from the contents of a tarball"},
			{"info", "Display system-wide information"},
			{"inspect", "Return low-level information on a container"},
			{"kill", "Kill a running container"},
			{"load", "Load an image from a tar archive"},
			{"login", "Register or log in to a Docker registry server"},
			{"logout", "Log out from a Docker registry server"},
			{"logs", "Fetch the logs of a container"},
			{"port", "Lookup the public-facing port that is NAT-ed to PRIVATE_PORT"},
			{"pause", "Pause all processes within a container"},
			{"ps", "List containers"},
			{"pull", "Pull an image or a repository from a Docker registry server"},
			{"push", "Push an image or a repository to a Docker registry server"},
			{"restart", "Restart a running container"},
			{"rm", "Remove one or more containers"},
			{"rmi", "Remove one or more images"},
			{"run", "Run a command in a new container"},
			{"save", "Save an image to a tar archive"},
			{"search", "Search for an image on the Docker Hub"},
			{"start", "Start a stopped container"},
			{"stop", "Stop a running container"},
			{"tag", "Tag an image into a repository"},
			{"top", "Lookup the running processes of a container"},
			{"unpause", "Unpause a paused container"},
			{"version", "Show the Docker version information"},
			{"wait", "Block until a container stops, then print its exit code"},
		} {
			help += fmt.Sprintf("    %-10.10s%s\n", command[0], command[1])
		}
		help += "\nRun 'docker COMMAND --help' for more information on a command."
		fmt.Fprintf(os.Stderr, "%s\n", help)
	}
}

func init() {
	flCa = flag.String([]string{"-tlscacert"}, filepath.Join(dockerConfDir, defaultCaFile), "Trust only remotes providing a certificate signed by the CA given here")
	flCert = flag.String([]string{"-tlscert"}, filepath.Join(dockerConfDir, defaultCertFile), "Path to TLS certificate file")
	flKey = flag.String([]string{"-tlskey"}, filepath.Join(dockerConfDir, defaultKeyFile), "Path to TLS key file")

	flag.Var(&flDns, []string{"#dns", "-dns"}, "Force Docker to use specific DNS servers")
	flag.Var(&flDnsSearch, []string{"-dns-search"}, "Force Docker to use specific DNS search domains")
	flag.Var(&flHosts, []string{"H", "-host"}, "The socket(s) to bind to in daemon mode\nspecified using one or more tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd.")
	flag.Var(&flGraphOpts, []string{"-storage-opt"}, "Set storage driver options")
}

func init() {
	if dockerCertPath == "" {
		dockerCertPath = cliconfig.ConfigDir()
	}
}

func getDaemonConfDir() string {
	// TODO: update for Windows daemon
	if runtime.GOOS == "windows" {
		return cliconfig.ConfigDir()
	}
	return "/etc/docker"
}

var (
	flConfigDir = flag.String([]string{"-config"}, cliconfig.ConfigDir(), "Location of client config files")
	flVersion   = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
	flDaemon    = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
	flDebug     = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
	flLogLevel  = flag.String([]string{"l", "-log-level"}, "info", "Set the logging level")
	flTls       = flag.Bool([]string{"-tls"}, false, "Use TLS; implied by --tlsverify")
	flHelp      = flag.Bool([]string{"h", "-help"}, false, "Print usage")
	flTlsVerify = flag.Bool([]string{"-tlsverify"}, dockerTlsVerify, "Use TLS and verify the remote")

	// these are initialized in init() below since their default values depend on dockerCertPath which isn't fully initialized until init() runs
	tlsOptions tlsconfig.Options
	flTrustKey *string
	flHosts    []string
)

func setDefaultConfFlag(flag *string, def string) {

package collector

import (
	"gopkg.in/yaml.v2"
	"io/ioutil"
	"strings"

	config "github.com/banyanops/collector/config"
	blog "github.com/ccpaging/log4go"
	flag "github.com/docker/docker/pkg/mflag"
)

var (
	//userScriptsDir    = flag.String([]string{"userscriptsdir"}, config.BANYANDIR()+"/hosttarget/userscripts", "Directory with all user-specified scripts")
	UserScriptStore   = flag.String([]string{"u", "-userscriptstore"}, config.COLLECTORDIR()+"/data/userscripts", "Directory with all user-specified scripts")
	UserScriptsDir    = config.BANYANDIR() + "/hosttarget/userscripts"
	DefaultScriptsDir = config.BANYANDIR() + "/hosttarget/defaultscripts"
	BinDir            = config.BANYANDIR() + "/hosttarget/bin"
)

const (
	PKGEXTRACTSCRIPT = "pkgextractscript.sh"
)

func parsePkgExtractOutput(output []byte, imageID ImageIDType) (imageDataInfo []ImageDataInfo, err error) {
	type PkgInfo struct {
		Pkg, Version, Architecture string
	}

	var outInfo struct {
		DistroName string

	"fmt"
	"os"

	flag "github.com/docker/docker/pkg/mflag"
)

type command struct {
	name        string
	description string
}

type byName []command

var (
	flDaemon   = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
	flHost     = flag.String([]string{"H", "-Host"}, "", "Daemon socket to connect to")
	flLogLevel = flag.String([]string{"l", "-log-level"}, "info", "Set the logging level")
	flDebug    = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
	flHelp     = flag.Bool([]string{"h", "-help"}, false, "Print usage")

	dnetCommands = []command{
		{"network", "Network management commands"},
	}
)

func init() {
	flag.Usage = func() {
		fmt.Fprint(os.Stdout, "Usage: dnet [OPTIONS] COMMAND [arg...]\n\nA self-sufficient runtime for container networking.\n\nOptions:\n")

		flag.CommandLine.SetOutput(os.Stdout)
		flag.PrintDefaults()

var (
	dockerCertPath  = os.Getenv("DOCKER_CERT_PATH")
	dockerTlsVerify = os.Getenv("DOCKER_TLS_VERIFY") != ""
)

func init() {
	if dockerCertPath == "" {
		dockerCertPath = filepath.Join(os.Getenv("HOME"), ".docker")
	}
}

var (
	flVersion     = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
	flDaemon      = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
	flDebug       = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
	flSocketGroup = flag.String([]string{"G", "-group"}, "docker", "Group to assign the unix socket specified by -H when running in daemon mode\nuse '' (the empty string) to disable setting of a group")
	flEnableCors  = flag.Bool([]string{"#api-enable-cors", "-api-enable-cors"}, false, "Enable CORS headers in the remote API")
	flTls         = flag.Bool([]string{"-tls"}, false, "Use TLS; implied by tls-verify flags")
	flTlsVerify   = flag.Bool([]string{"-tlsverify"}, dockerTlsVerify, "Use TLS and verify the remote (daemon: verify client, client: verify daemon)")

	// these are initialized in init() below since their default values depend on dockerCertPath which isn't fully initialized until init() runs
	flTrustKey *string
	flCa       *string
	flCert     *string
	flKey      *string
	flHosts    []string
)

func init() {
	// placeholder for trust key flag
	trustKeyDefault := filepath.Join(dockerCertPath, defaultTrustKeyFile)

	gcr "github.com/banyanops/collector/gcr"
	flag "github.com/docker/docker/pkg/mflag"
)

const ()

var (
	// HubAPI indicates whether to use the Docker Hub API.
	HubAPI bool
	// LocalHost indicates whether to collect images from local host
	LocalHost     bool
	HTTPSRegistry = flag.Bool([]string{"-registryhttps"}, true,
		"Set to false if registry does not need HTTPS (SSL/TLS)")
	AuthRegistry = flag.Bool([]string{"-registryauth"}, true,
		"Set to false if registry does not need authentication")
	RegistryProto = flag.String([]string{"-registryproto"}, "v1",
		"Select the registry protocol to use: v1, v2, quay")
	RegistryTokenAuth = flag.Bool([]string{"-registrytokenauth"}, false,
		"Registry uses v1 Token Auth, e.g., Docker Hub, Google Container Registry")
	RegistryTLSNoVerify = flag.Bool([]string{"-registrytlsnoverify"}, false,
		"True to trust the registry without verifying certificate")
	GCEMetadata = flag.Bool([]string{"-gce-metadata"}, false,
		"True to query GCE instance metadata for Docker credentials")
	GCEKeyFile = flag.String([]string{"-gce-key-file"}, "",
		"Set to the pathname of the GCE service account JSON key")
	// registryspec is the host.domainname of the registry
	RegistrySpec string
	// registryAPIURL is the http(s)://[user:[email protected]]host.domainname of the registry
	RegistryAPIURL string
	// XRegistryAuth is the base64-encoded AuthConfig object (for X-Registry-Auth HTTP request header)
	XRegistryAuth string
	// BasicAuth is the base64-encoded Auth field read from $HOME/.dockercfg

	flag "github.com/docker/docker/pkg/mflag"
)

const (
	// Console logging level
	CONSOLELOGLEVEL = blog.INFO
	// File logging level
	FILELOGLEVEL = blog.FINEST
	// Number of docker images to process in a single batch.
	IMAGEBATCH = 5
)

var (
	LOGFILENAME = config.BANYANDIR() + "/hostcollector/collector.log"
	fileLog     = flag.Bool([]string{"-filelog"}, false, "Log output to "+LOGFILENAME)
	imageList   = flag.String([]string{"#-imagelist"}, config.BANYANDIR()+"/hostcollector/imagelist",
		"List of previously collected images (file)")
	repoList = flag.String([]string{"r", "-repolist"}, config.BANYANDIR()+"/hostcollector/repolist",
		"File containing list of repos to process")

	// Configuration parameters for speed/efficiency
	removeThresh = flag.Int([]string{"-removethresh"}, 5,
		"Number of images that get pulled before removal")
	maxImages = flag.Int([]string{"-maximages"}, 0, "Maximum number of new images to process per repository (0=unlimited)")
	//nextMaxImages int
	poll = flag.Int64([]string{"p", "-poll"}, 60, "Polling interval in seconds")

	// Docker remote API related parameters
	dockerProto = flag.String([]string{"-dockerproto"}, "unix",
		"Socket protocol for Docker Remote API (\"unix\" or \"tcp\")")
	dockerAddr = flag.String([]string{"-dockeraddr"}, "/var/run/docker.sock",
		"Address of Docker remote API socket (filepath or IP:port)")

		dockerCertPath = filepath.Join(getHomeDir(), ".docker")
	}
}

func getHomeDir() string {
	if runtime.GOOS == "windows" {
		return os.Getenv("USERPROFILE")
	}
	return os.Getenv("HOME")
}

var (
	flVersion     = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
	flDaemon      = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
	flDebug       = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
	flSocketGroup = flag.String([]string{"G", "-group"}, "docker", "Group to assign the unix socket specified by -H when running in daemon mode\nuse '' (the empty string) to disable setting of a group")
	flLogLevel    = flag.String([]string{"l", "-log-level"}, "info", "Set the logging level")
	flEnableCors  = flag.Bool([]string{"#api-enable-cors", "-api-enable-cors"}, false, "Enable CORS headers in the remote API")
	flTls         = flag.Bool([]string{"-tls"}, false, "Use TLS; implied by --tlsverify flag")
	flTlsVerify   = flag.Bool([]string{"-tlsverify"}, dockerTlsVerify, "Use TLS and verify the remote (daemon: verify client, client: verify daemon)")

	// these are initialized in init() below since their default values depend on dockerCertPath which isn't fully initialized until init() runs
	flTrustKey *string
	flCa       *string
	flCert     *string
	flKey      *string
	flHosts    []string
)

func init() {
	// placeholder for trust key flag

func main() {
	config, cfgErr := getConfig()
	if cfgErr != nil && !os.IsNotExist(cfgErr) {
		log.Fatalf("Unable to open .scwrc config file: %v", cfgErr)
	}

	if config != nil {
		flAPIEndPoint = flag.String([]string{"-api-endpoint"}, config.APIEndPoint, "Set the API endpoint")
	}
	flag.Parse()

	if *flVersion {
		showVersion()
		return
	}

	if flAPIEndPoint != nil {
		os.Setenv("scaleway_api_endpoint", *flAPIEndPoint)
	}

	if *flSensitive {
		os.Setenv("SCW_SENSITIVE", "1")
	}

	if *flDebug {
		os.Setenv("DEBUG", "1")
	}

	initLogging(os.Getenv("DEBUG") != "")

	args := flag.Args()
	if len(args) < 1 {
		usage()
	}
	name := args[0]

	args = args[1:]

	for _, cmd := range cmds.Commands {
		if cmd.Name() == name {
			cmd.Flag.SetOutput(ioutil.Discard)
			err := cmd.Flag.Parse(args)
			if err != nil {
				log.Fatalf("usage: scw %s", cmd.UsageLine)
			}
			if cmd.Name() != "login" && cmd.Name() != "help" && cmd.Name() != "version" {
				if cfgErr != nil {
					if name != "login" && config == nil {
						fmt.Fprintf(os.Stderr, "You need to login first: 'scw login'\n")
						os.Exit(1)
					}
				}
				api, err := getScalewayAPI()
				if err != nil {
					log.Fatalf("unable to initialize scw api: %s", err)
				}
				cmd.API = api
			}
			cmd.Exec(cmd, cmd.Flag.Args())
			if cmd.API != nil {
				cmd.API.Sync()
			}
			os.Exit(0)
		}
	}

	log.Fatalf("scw: unknown subcommand %s\nRun 'scw help' for usage.", name)
}

func initConfig() {
	configfile := mflag.String([]string{"-config"}, "/etc/sshpiperd.conf", "Config file path. Note: any option will be overwrite if it is set by commandline")

	mflag.StringVar(&config.ListenAddr, []string{"l", "-listen_addr"}, "0.0.0.0", "Listening Address")
	mflag.UintVar(&config.Port, []string{"p", "-port"}, 2222, "Listening Port")
	mflag.StringVar(&config.WorkingDir, []string{"w", "-working_dir"}, "/var/sshpiper", "Working Dir")
	mflag.StringVar(&config.PiperKeyFile, []string{"i", "-server_key"}, "/etc/ssh/ssh_host_rsa_key", "Key file for SSH Piper")
	mflag.StringVar(&config.Challenger, []string{"c", "-challenger"}, "", "Additional challenger name, e.g. pam, emtpy for no additional challenge")
	mflag.StringVar(&config.Logfile, []string{"-log"}, "", "Logfile path. Leave emtpy or any error occurs will fall back to stdout")
	mflag.BoolVar(&config.AllowBadUsername, []string{"-allow_bad_username"}, false, "disable username check while search the working dir")
	mflag.BoolVar(&config.ShowHelp, []string{"h", "-help"}, false, "Print help and exit")
	mflag.BoolVar(&config.ShowVersion, []string{"-version"}, false, "Print version and exit")

	mflag.Parse()

	if _, err := os.Stat(*configfile); os.IsNotExist(err) {
		if !mflag.IsSet("-config") {
			*configfile = ""
		} else {
			logger.Fatalf("config file %v not found", *configfile)
		}
	}

	gconf, err := globalconf.NewWithOptions(&globalconf.Options{
		Filename:  *configfile,
		EnvPrefix: "SSHPIPERD_",
	})

	if err != nil { // this error will happen only if file error
		logger.Fatalln("load config file error %v: %v", *configfile, err)
	}

	// build a dummy flag set for globalconf to parse
	fs := flag.NewFlagSet("", flag.ContinueOnError)

	ignoreSet := make(map[string]bool)
	mflag.Visit(func(f *mflag.Flag) {
		for _, n := range f.Names {
			ignoreSet[n] = true
		}
	})

	// should be ignored
	ignoreSet["-help"] = true
	ignoreSet["-version"] = true

	mflag.VisitAll(func(f *mflag.Flag) {
		for _, n := range f.Names {
			if len(n) < 2 {
				continue
			}

			if !ignoreSet[n] {
				n = strings.TrimPrefix(n, "-")
				fs.Var(f.Value, n, f.Usage)
			}
		}
	})

	gconf.ParseSet("", fs)
}

			return os.Getenv("BANYAN_DIR")
		}
		return BANYANHOSTDIR()
	}
	COLLECTORDIR = func() string {
		if os.Getenv("COLLECTOR_DIR") == "" {
			fmt.Fprintf(os.Stderr, "Please set the environment variable COLLECTOR_DIR to the parent")
			fmt.Fprintf(os.Stderr, " of the \"data\" scripts directory...\n\n")
			//printExampleUsage()
			//fmt.Fprintf(os.Stderr, "  e.g.,\tcd COLLECTOR_SOURCE_DIRECTORY\n")
			//fmt.Fprintf(os.Stderr, "\tsudo COLLECTOR_DIR=$PWD collector [options] REGISTRY [REPO1 REPO2 ...]\n\n")
			return ""
		}
		return os.Getenv("COLLECTOR_DIR")
	}
	BanyanOutDir = flag.String([]string{"#-banyanoutdir"}, BANYANDIR()+"/hostcollector/banyanout",
		"Output directory for collected data")
	// Dests is setup as a flag when main calls DefineDestsFlag().
	Dests *string

	// BanyanUpdate is a function to log interesting updates as collector execution proceeds.
	BanyanUpdate BanyanUpdateFunc = func(status ...string) {}
)

type BanyanUpdateFunc func(status ...string)

// DefineDestsFlag is called by the importing package, e.g., main, to create the dests flag.
func DefineDestsFlag(def string) {
	Dests = flag.String([]string{"d", "-dests"}, def,
		"One or more ',' separated destinations for output generated by scripts. e.g., file or file,custom")
}

// Start is the entrypoint
func Start(rawArgs []string, streams *commands.Streams) (int, error) {
	checkVersion()
	if streams == nil {
		streams = &commands.Streams{
			Stdin:  os.Stdin,
			Stdout: os.Stdout,
			Stderr: os.Stderr,
		}
	}
	flag.CommandLine.Parse(rawArgs)

	config, cfgErr := config.GetConfig()
	if cfgErr != nil && !os.IsNotExist(cfgErr) {
		return 1, fmt.Errorf("unable to open .scwrc config file: %v", cfgErr)
	}

	if config != nil {
		defaultComputeAPI := os.Getenv("scaleway_api_endpoint")
		if defaultComputeAPI == "" {
			defaultComputeAPI = config.ComputeAPI
		}
		if flAPIEndPoint == nil {
			flAPIEndPoint = flag.String([]string{"-api-endpoint"}, defaultComputeAPI, "Set the API endpoint")
		}
	}

	if *flVersion {
		fmt.Fprintf(streams.Stderr, "scw version %s, build %s\n", scwversion.VERSION, scwversion.GITCOMMIT)
		return 0, nil
	}

	if flAPIEndPoint != nil {
		os.Setenv("scaleway_api_endpoint", *flAPIEndPoint)
	}

	if *flSensitive {
		os.Setenv("SCW_SENSITIVE", "1")
	}

	if *flDebug {
		os.Setenv("DEBUG", "1")
	}

	utils.Quiet(*flQuiet)
	initLogging(os.Getenv("DEBUG") != "", *flVerbose, streams)

	args := flag.Args()
	if len(args) < 1 {
		CmdHelp.Exec(CmdHelp, []string{})
		return 1, nil
	}
	name := args[0]

	args = args[1:]

	// Apply default values
	for _, cmd := range Commands {
		cmd.streams = streams
	}

	for _, cmd := range Commands {
		if cmd.Name() == name {
			cmd.Flag.SetOutput(ioutil.Discard)
			err := cmd.Flag.Parse(args)
			if err != nil {
				return 1, fmt.Errorf("usage: scw %s", cmd.UsageLine)
			}
			switch cmd.Name() {
			case "login", "help", "version":
				// commands that don't need API
			case "_userdata":
				// commands that may need API
				api, _ := getScalewayAPI()
				cmd.API = api
			default:
				// commands that do need API
				if cfgErr != nil {
					if name != "login" && config == nil {
						logrus.Debugf("cfgErr: %v", cfgErr)
						fmt.Fprintf(streams.Stderr, "You need to login first: 'scw login'\n")
						return 1, nil
					}
				}
				api, err := getScalewayAPI()
				if err != nil {
					return 1, fmt.Errorf("unable to initialize scw api: %s", err)
				}
				cmd.API = api
			}
			err = cmd.Exec(cmd, cmd.Flag.Args())
			switch err {
			case nil:
			case ErrExitFailure:
				return 1, nil
			case ErrExitSuccess:
				return 0, nil
			default:
				return 1, fmt.Errorf("cannot execute '%s': %v", cmd.Name(), err)
			}
//.........这里部分代码省略.........

	"os"
	"os/exec"
	"path/filepath"
	"syscall"

	"github.com/Sirupsen/logrus"
	flag "github.com/docker/docker/pkg/mflag"
	"golang.org/x/sys/windows"
	"golang.org/x/sys/windows/svc"
	"golang.org/x/sys/windows/svc/debug"
	"golang.org/x/sys/windows/svc/eventlog"
	"golang.org/x/sys/windows/svc/mgr"
)

var (
	flServiceName       = flag.String([]string{"-service-name"}, "docker", "Set the Windows service name")
	flRegisterService   = flag.Bool([]string{"-register-service"}, false, "Register the service and exit")
	flUnregisterService = flag.Bool([]string{"-unregister-service"}, false, "Unregister the service and exit")
	flRunService        = flag.Bool([]string{"-run-service"}, false, "")

	setStdHandle = syscall.NewLazyDLL("kernel32.dll").NewProc("SetStdHandle")
	oldStderr    syscall.Handle
	panicFile    *os.File

	service *handler
)

const (
	// These should match the values in event_messages.mc.
	eventInfo  = 1
	eventWarn  = 1