func main()

in misc/homework_assignment_1337/src/gen-go/ping/ping_bot-remote/ping_bot-remote.go [47:204]
155 lines of code
29 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 := ping.NewPingBotClient(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 "ping":
		if flag.NArg()-1 != 1 {
			fmt.Fprintln(os.Stderr, "Ping requires 1 args")
			flag.Usage()
		}
		arg7 := flag.Arg(1)
		mbTrans8 := thrift.NewTMemoryBufferLen(len(arg7))
		defer mbTrans8.Close()
		_, err9 := mbTrans8.WriteString(arg7)
		if err9 != nil {
			Usage()
			return
		}
		factory10 := thrift.NewTJSONProtocolFactory()
		jsProt11 := factory10.GetProtocol(mbTrans8)
		argvalue0 := ping.NewPing()
		err12 := argvalue0.Read(jsProt11)
		if err12 != nil {
			Usage()
			return
		}
		value0 := argvalue0
		fmt.Print(client.Ping(context.Background(), value0))
		fmt.Print("\n")
		break
	case "pingdebug":
		if flag.NArg()-1 != 1 {
			fmt.Fprintln(os.Stderr, "Pingdebug requires 1 args")
			flag.Usage()
		}
		arg13 := flag.Arg(1)
		mbTrans14 := thrift.NewTMemoryBufferLen(len(arg13))
		defer mbTrans14.Close()
		_, err15 := mbTrans14.WriteString(arg13)
		if err15 != nil {
			Usage()
			return
		}
		factory16 := thrift.NewTJSONProtocolFactory()
		jsProt17 := factory16.GetProtocol(mbTrans14)
		argvalue0 := ping.NewDebug()
		err18 := argvalue0.Read(jsProt17)
		if err18 != nil {
			Usage()
			return
		}
		value0 := argvalue0
		fmt.Print(client.Pingdebug(context.Background(), value0))
		fmt.Print("\n")
		break
	case "":
		Usage()
		break
	default:
		fmt.Fprintln(os.Stderr, "Invalid function ", cmd)
	}
}