func main()

in go-client/idl/rrdb/meta-remote/meta-remote.go [51:183]
130 lines of code
25 McCabe index (conditional complexity)

func main() {
	flag.Usage = Usage
	var host string
	var port int
	var protocol string
	var urlString string
	var framed bool
	var useHttp bool
	headers := make(httpHeaders)
	var parsedUrl *url.URL
	var trans thrift.TTransport
	_ = strconv.Atoi
	_ = math.Abs
	flag.Usage = Usage
	flag.StringVar(&host, "h", "localhost", "Specify host and port")
	flag.IntVar(&port, "p", 9090, "Specify port")
	flag.StringVar(&protocol, "P", "binary", "Specify the protocol (binary, compact, simplejson, json)")
	flag.StringVar(&urlString, "u", "", "Specify the url")
	flag.BoolVar(&framed, "framed", false, "Use framed transport")
	flag.BoolVar(&useHttp, "http", false, "Use http")
	flag.Var(headers, "H", "Headers to set on the http(s) request (e.g. -H \"Key: Value\")")
	flag.Parse()

	if len(urlString) > 0 {
		var err error
		parsedUrl, err = url.Parse(urlString)
		if err != nil {
			fmt.Fprintln(os.Stderr, "Error parsing URL: ", err)
			flag.Usage()
		}
		host = parsedUrl.Host
		useHttp = len(parsedUrl.Scheme) <= 0 || parsedUrl.Scheme == "http" || parsedUrl.Scheme == "https"
	} else if useHttp {
		_, err := url.Parse(fmt.Sprint("http://", host, ":", port))
		if err != nil {
			fmt.Fprintln(os.Stderr, "Error parsing URL: ", err)
			flag.Usage()
		}
	}

	cmd := flag.Arg(0)
	var err error
	if useHttp {
		trans, err = thrift.NewTHttpClient(parsedUrl.String())
		if len(headers) > 0 {
			httptrans := trans.(*thrift.THttpClient)
			for key, value := range headers {
				httptrans.SetHeader(key, value)
			}
		}
	} else {
		portStr := fmt.Sprint(port)
		if strings.Contains(host, ":") {
			host, portStr, err = net.SplitHostPort(host)
			if err != nil {
				fmt.Fprintln(os.Stderr, "error with host:", err)
				os.Exit(1)
			}
		}
		trans, err = thrift.NewTSocket(net.JoinHostPort(host, portStr))
		if err != nil {
			fmt.Fprintln(os.Stderr, "error resolving address:", err)
			os.Exit(1)
		}
		if framed {
			trans = thrift.NewTFramedTransport(trans)
		}
	}
	if err != nil {
		fmt.Fprintln(os.Stderr, "Error creating transport", err)
		os.Exit(1)
	}
	defer trans.Close()
	var protocolFactory thrift.TProtocolFactory
	switch protocol {
	case "compact":
		protocolFactory = thrift.NewTCompactProtocolFactory()
		break
	case "simplejson":
		protocolFactory = thrift.NewTSimpleJSONProtocolFactory()
		break
	case "json":
		protocolFactory = thrift.NewTJSONProtocolFactory()
		break
	case "binary", "":
		protocolFactory = thrift.NewTBinaryProtocolFactoryDefault()
		break
	default:
		fmt.Fprintln(os.Stderr, "Invalid protocol specified: ", protocol)
		Usage()
		os.Exit(1)
	}
	iprot := protocolFactory.GetProtocol(trans)
	oprot := protocolFactory.GetProtocol(trans)
	client := rrdb.NewMetaClient(thrift.NewTStandardClient(iprot, oprot))
	if err := trans.Open(); err != nil {
		fmt.Fprintln(os.Stderr, "Error opening socket to ", host, ":", port, " ", err)
		os.Exit(1)
	}

	switch cmd {
	case "query_cfg":
		if flag.NArg()-1 != 1 {
			fmt.Fprintln(os.Stderr, "QueryCfg requires 1 args")
			flag.Usage()
		}
		arg128 := flag.Arg(1)
		mbTrans129 := thrift.NewTMemoryBufferLen(len(arg128))
		defer mbTrans129.Close()
		_, err130 := mbTrans129.WriteString(arg128)
		if err130 != nil {
			Usage()
			return
		}
		factory131 := thrift.NewTJSONProtocolFactory()
		jsProt132 := factory131.GetProtocol(mbTrans129)
		argvalue0 := replication.NewQueryCfgRequest()
		err133 := argvalue0.Read(jsProt132)
		if err133 != nil {
			Usage()
			return
		}
		value0 := argvalue0
		fmt.Print(client.QueryCfg(context.Background(), value0))
		fmt.Print("\n")
		break
	case "":
		Usage()
		break
	default:
		fmt.Fprintln(os.Stderr, "Invalid function ", cmd)
	}
}