// ConcatEndpointFactory transforms host:port strings into Endpoints.
func (c client) ConcatEndpoint(instance string) (endpoint.Endpoint, io.Closer, error) {
transportSocket, err := thrift.NewTSocket(instance)
if err != nil {
c.Logger.Log("during", "thrift.NewTSocket", "err", err)
return nil, nil, err
}
trans := c.TTransportFactory.GetTransport(transportSocket)
if err := trans.Open(); err != nil {
c.Logger.Log("during", "thrift transport.Open", "err", err)
return nil, nil, err
}
cli := thriftadd.NewAddServiceClientFactory(trans, c.TProtocolFactory)
return func(ctx context.Context, request interface{}) (interface{}, error) {
concatRequest := request.(server.ConcatRequest)
reply, err := cli.Concat(concatRequest.A, concatRequest.B)
if err != nil {
return server.ConcatResponse{}, err
}
return server.ConcatResponse{V: reply.Value}, nil
}, trans, nil
}
func main() {
flag.Usage = Usage
var host string
var port int
var protocol string
var urlString string
var framed bool
var useHttp bool
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.Parse()
if len(urlString) > 0 {
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"
} 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())
} 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)
}
client := add.NewAddServiceClientFactory(trans, protocolFactory)
if err := trans.Open(); err != nil {
fmt.Fprintln(os.Stderr, "Error opening socket to ", host, ":", port, " ", err)
os.Exit(1)
}
switch cmd {
case "Sum":
if flag.NArg()-1 != 2 {
fmt.Fprintln(os.Stderr, "Sum requires 2 args")
flag.Usage()
}
argvalue0, err6 := (strconv.ParseInt(flag.Arg(1), 10, 64))
if err6 != nil {
Usage()
return
}
value0 := argvalue0
argvalue1, err7 := (strconv.ParseInt(flag.Arg(2), 10, 64))
if err7 != nil {
Usage()
return
}
value1 := argvalue1
fmt.Print(client.Sum(value0, value1))
fmt.Print("\n")
break
case "Concat":
if flag.NArg()-1 != 2 {
fmt.Fprintln(os.Stderr, "Concat requires 2 args")
flag.Usage()
}
argvalue0 := flag.Arg(1)
value0 := argvalue0
argvalue1 := flag.Arg(2)
value1 := argvalue1
fmt.Print(client.Concat(value0, value1))
fmt.Print("\n")
break
case "":
Usage()
break
default:
fmt.Fprintln(os.Stderr, "Invalid function ", cmd)
}
}
func main() {
var (
transport = flag.String("transport", "httpjson", "httpjson, grpc, netrpc, thrift")
httpAddr = flag.String("http.addr", "localhost:8001", "Address for HTTP (JSON) server")
grpcAddr = flag.String("grpc.addr", "localhost:8002", "Address for gRPC server")
netrpcAddr = flag.String("netrpc.addr", "localhost:8003", "Address for net/rpc server")
thriftAddr = flag.String("thrift.addr", "localhost:8004", "Address for Thrift server")
thriftProtocol = flag.String("thrift.protocol", "binary", "binary, compact, json, simplejson")
thriftBufferSize = flag.Int("thrift.buffer.size", 0, "0 for unbuffered")
thriftFramed = flag.Bool("thrift.framed", false, "true to enable framing")
)
flag.Parse()
if len(os.Args) < 4 {
fmt.Fprintf(os.Stderr, "\n%s [flags] method arg1 arg2\n\n", filepath.Base(os.Args[0]))
flag.Usage()
os.Exit(1)
}
root := context.Background()
method, s1, s2 := flag.Arg(0), flag.Arg(1), flag.Arg(2)
var logger log.Logger
logger = log.NewLogfmtLogger(os.Stdout)
logger = log.NewContext(logger).With("caller", log.DefaultCaller)
logger = log.NewContext(logger).With("transport", *transport)
var svc server.AddService
switch *transport {
case "grpc":
cc, err := grpc.Dial(*grpcAddr)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
defer cc.Close()
svc = grpcclient.New(root, cc, logger)
case "httpjson":
rawurl := *httpAddr
if !strings.HasPrefix("http", rawurl) {
rawurl = "http://" + rawurl
}
baseurl, err := url.Parse(rawurl)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
svc = httpjsonclient.New(root, baseurl, logger, nil)
case "netrpc":
cli, err := rpc.DialHTTP("tcp", *netrpcAddr)
if err != nil {
logger.Log("err", err)
os.Exit(1)
}
defer cli.Close()
svc = netrpcclient.New(cli, logger)
case "thrift":
var protocolFactory thrift.TProtocolFactory
switch *thriftProtocol {
case "compact":
protocolFactory = thrift.NewTCompactProtocolFactory()
case "simplejson":
protocolFactory = thrift.NewTSimpleJSONProtocolFactory()
case "json":
protocolFactory = thrift.NewTJSONProtocolFactory()
case "binary", "":
protocolFactory = thrift.NewTBinaryProtocolFactoryDefault()
default:
logger.Log("protocol", *thriftProtocol, "err", "invalid protocol")
os.Exit(1)
}
var transportFactory thrift.TTransportFactory
if *thriftBufferSize > 0 {
transportFactory = thrift.NewTBufferedTransportFactory(*thriftBufferSize)
} else {
transportFactory = thrift.NewTTransportFactory()
}
if *thriftFramed {
transportFactory = thrift.NewTFramedTransportFactory(transportFactory)
}
transportSocket, err := thrift.NewTSocket(*thriftAddr)
if err != nil {
logger.Log("during", "thrift.NewTSocket", "err", err)
os.Exit(1)
}
trans := transportFactory.GetTransport(transportSocket)
defer trans.Close()
if err := trans.Open(); err != nil {
logger.Log("during", "thrift transport.Open", "err", err)
os.Exit(1)
}
cli := thriftadd.NewAddServiceClientFactory(trans, protocolFactory)
svc = thriftclient.New(cli, logger)
default:
logger.Log("err", "invalid transport")
os.Exit(1)
}
begin := time.Now()
switch method {
case "sum":
a, _ := strconv.Atoi(s1)
b, _ := strconv.Atoi(s2)
v := svc.Sum(a, b)
logger.Log("method", "sum", "a", a, "b", b, "v", v, "took", time.Since(begin))
case "concat":
a, b := s1, s2
v := svc.Concat(a, b)
logger.Log("method", "concat", "a", a, "b", b, "v", v, "took", time.Since(begin))
default:
logger.Log("err", "invalid method "+method)
os.Exit(1)
}
}