func Benchmark_TChannel_YARPCToYARPC(b *testing.B) {
serverCh, err := tchannel.NewChannel("server", nil)
require.NoError(b, err, "failed to build server TChannel")
serverCfg := yarpc.Config{
Name: "server",
Inbounds: []transport.Inbound{ytchannel.NewInbound(serverCh)},
}
clientCh, err := tchannel.NewChannel("client", nil)
require.NoError(b, err, "failed to build client TChannel")
// no defer close on channels because YARPC will take care of that
withDispatcher(b, serverCfg, func(server yarpc.Dispatcher) {
server.Register(raw.Procedure("echo", yarpcEcho))
// Need server already started to build client config
clientCfg := yarpc.Config{
Name: "client",
Outbounds: yarpc.Outbounds{
"server": {
Unary: ytchannel.NewOutbound(clientCh, ytchannel.HostPort(serverCh.PeerInfo().HostPort)),
},
},
}
withDispatcher(b, clientCfg, func(client yarpc.Dispatcher) {
b.ResetTimer()
runYARPCClient(b, raw.New(client.Channel("server")))
})
})
}
func Benchmark_TChannel_YARPCToTChannel(b *testing.B) {
serverCh, err := tchannel.NewChannel("server", nil)
require.NoError(b, err, "failed to build server TChannel")
defer serverCh.Close()
serverCh.Register(traw.Wrap(tchannelEcho{t: b}), "echo")
require.NoError(b, serverCh.ListenAndServe(":0"), "failed to start up TChannel")
clientCh, err := tchannel.NewChannel("client", nil)
require.NoError(b, err, "failed to build client TChannel")
clientCfg := yarpc.Config{
Name: "client",
Outbounds: yarpc.Outbounds{
"server": {
Unary: ytchannel.NewOutbound(clientCh, ytchannel.HostPort(serverCh.PeerInfo().HostPort)),
},
},
}
withDispatcher(b, clientCfg, func(client yarpc.Dispatcher) {
b.ResetTimer()
runYARPCClient(b, raw.New(client.Channel("server")))
})
}
// Run exercises a YARPC client against a tchannel server.
func Run(t crossdock.T) {
fatals := crossdock.Fatals(t)
encoding := t.Param(params.Encoding)
server := t.Param(params.Server)
serverHostPort := fmt.Sprintf("%v:%v", server, serverPort)
ch, err := tchannel.NewChannel("yarpc-client", nil)
fatals.NoError(err, "could not create channel")
dispatcher := yarpc.NewDispatcher(yarpc.Config{
Name: "yarpc-client",
Outbounds: yarpc.Outbounds{
serverName: {
Unary: tch.NewOutbound(ch, tch.HostPort(serverHostPort)),
},
},
})
fatals.NoError(dispatcher.Start(), "could not start Dispatcher")
defer dispatcher.Stop()
switch encoding {
case "raw":
runRaw(t, dispatcher)
case "json":
runJSON(t, dispatcher)
case "thrift":
runThrift(t, dispatcher)
default:
fatals.Fail("", "unknown encoding %q", encoding)
}
}
// Create creates an RPC from the given parameters or fails the whole behavior.
func Create(t crossdock.T) yarpc.Dispatcher {
fatals := crossdock.Fatals(t)
server := t.Param(params.Server)
fatals.NotEmpty(server, "server is required")
var unaryOutbound transport.UnaryOutbound
trans := t.Param(params.Transport)
switch trans {
case "http":
unaryOutbound = ht.NewOutbound(fmt.Sprintf("http://%s:8081", server))
case "tchannel":
ch, err := tchannel.NewChannel("client", nil)
fatals.NoError(err, "couldn't create tchannel")
unaryOutbound = tch.NewOutbound(ch, tch.HostPort(server+":8082"))
default:
fatals.Fail("", "unknown transport %q", trans)
}
return yarpc.NewDispatcher(yarpc.Config{
Name: "client",
Outbounds: yarpc.Outbounds{
"yarpc-test": {
Unary: unaryOutbound,
},
},
})
}
// Phone implements the phone procedure
func Phone(ctx context.Context, reqMeta yarpc.ReqMeta, body *PhoneRequest) (*PhoneResponse, yarpc.ResMeta, error) {
var outbound transport.UnaryOutbound
switch {
case body.Transport.HTTP != nil:
t := body.Transport.HTTP
url := fmt.Sprintf("http://%s:%d", t.Host, t.Port)
outbound = ht.NewOutbound(url)
case body.Transport.TChannel != nil:
t := body.Transport.TChannel
hostport := fmt.Sprintf("%s:%d", t.Host, t.Port)
ch, err := tchannel.NewChannel("yarpc-test-client", nil)
if err != nil {
return nil, nil, fmt.Errorf("failed to build TChannel: %v", err)
}
outbound = tch.NewOutbound(ch, tch.HostPort(hostport))
default:
return nil, nil, fmt.Errorf("unconfigured transport")
}
if err := outbound.Start(transport.NoDeps); err != nil {
return nil, nil, err
}
defer outbound.Stop()
// TODO use reqMeta.Service for caller
client := json.New(channel.MultiOutbound("yarpc-test", body.Service, transport.Outbounds{
Unary: outbound,
}))
resBody := PhoneResponse{
Service: "yarpc-test", // TODO use reqMeta.Service
Procedure: reqMeta.Procedure(),
}
ctx, cancel := context.WithTimeout(ctx, 500*time.Millisecond)
defer cancel()
_, err := client.Call(
ctx,
yarpc.NewReqMeta().Procedure(body.Procedure),
body.Body,
&resBody.Body)
if err != nil {
return nil, nil, err
}
return &resBody, nil, nil
}
func (tt tchannelTransport) WithRegistry(r transport.Registry, f func(transport.UnaryOutbound)) {
serverOpts := testutils.NewOpts().SetServiceName(testService)
clientOpts := testutils.NewOpts().SetServiceName(testCaller)
testutils.WithServer(tt.t, serverOpts, func(ch *tchannel.Channel, hostPort string) {
i := tch.NewInbound(ch)
require.NoError(tt.t, i.Start(transport.ServiceDetail{Name: testService, Registry: r}, transport.NoDeps), "failed to start")
defer i.Stop()
// ^ the server is already listening so this will just set up the
// handler.
client := testutils.NewClient(tt.t, clientOpts)
o := tch.NewOutbound(client, tch.HostPort(hostPort))
require.NoError(tt.t, o.Start(transport.NoDeps), "failed to start outbound")
defer o.Stop()
f(o)
})
}
func buildDispatcher(t crossdock.T) (dispatcher yarpc.Dispatcher, tconfig server.TransportConfig) {
fatals := crossdock.Fatals(t)
self := t.Param("ctxclient")
subject := t.Param("ctxserver")
fatals.NotEmpty(self, "ctxclient is required")
fatals.NotEmpty(subject, "ctxserver is required")
ch, err := tchannel.NewChannel("ctxclient", nil)
fatals.NoError(err, "failed to create TChannel")
var outbound transport.UnaryOutbound
switch trans := t.Param(params.Transport); trans {
case "http":
outbound = ht.NewOutbound(fmt.Sprintf("http://%s:8081", subject))
tconfig.TChannel = &server.TChannelTransport{Host: self, Port: 8087}
case "tchannel":
outbound = tch.NewOutbound(ch, tch.HostPort(fmt.Sprintf("%s:8082", subject)))
tconfig.HTTP = &server.HTTPTransport{Host: self, Port: 8086}
default:
fatals.Fail("", "unknown transport %q", trans)
}
dispatcher = yarpc.NewDispatcher(yarpc.Config{
Name: "ctxclient",
Inbounds: []transport.Inbound{
tch.NewInbound(ch, tch.ListenAddr(":8087")),
ht.NewInbound(":8086"),
},
Outbounds: yarpc.Outbounds{
"yarpc-test": {
Unary: outbound,
},
},
})
return dispatcher, tconfig
}
func createTChannelDispatcher(tracer opentracing.Tracer, t *testing.T) yarpc.Dispatcher {
// Establish the TChannel
ch, err := tchannel.NewChannel("yarpc-test", &tchannel.ChannelOptions{
Tracer: tracer,
})
assert.NoError(t, err)
hp := "127.0.0.1:4040"
ch.ListenAndServe(hp)
dispatcher := yarpc.NewDispatcher(yarpc.Config{
Name: "yarpc-test",
Inbounds: []transport.Inbound{
ytchannel.NewInbound(ch),
},
Outbounds: yarpc.Outbounds{
"yarpc-test": {
Unary: ytchannel.NewOutbound(ch, ytchannel.HostPort(hp)),
},
},
Tracer: tracer,
})
return dispatcher
}
func main() {
outboundName := ""
flag.StringVar(
&outboundName,
"outbound", "", "name of the outbound to use (http/tchannel)",
)
flag.Parse()
var outbound transport.UnaryOutbound
switch strings.ToLower(outboundName) {
case "http":
outbound = http.NewOutbound("http://localhost:24034")
case "tchannel":
channel, err := tchannel.NewChannel("keyvalue-client", nil)
if err != nil {
log.Fatalln(err)
}
outbound = tch.NewOutbound(channel, tch.HostPort("localhost:28941"))
default:
log.Fatalf("invalid outbound: %q\n", outboundName)
}
cache := NewCacheFilter()
dispatcher := yarpc.NewDispatcher(yarpc.Config{
Name: "keyvalue-client",
Outbounds: yarpc.Outbounds{
"keyvalue": {
Unary: outbound,
},
},
Filter: cache,
})
if err := dispatcher.Start(); err != nil {
log.Fatalf("failed to start Dispatcher: %v", err)
}
defer dispatcher.Stop()
client := keyvalueclient.New(dispatcher.Channel("keyvalue"))
scanner := bufio.NewScanner(os.Stdin)
rootCtx := context.Background()
for scanner.Scan() {
line := scanner.Text()
args := strings.Split(line, " ")
if len(args) < 1 || len(args[0]) < 3 {
continue
}
cmd := args[0]
args = args[1:]
switch cmd {
case "get":
if len(args) != 1 {
fmt.Println("usage: get key")
continue
}
key := args[0]
ctx, cancel := context.WithTimeout(rootCtx, 100*time.Millisecond)
defer cancel()
if value, _, err := client.GetValue(ctx, nil, &key); err != nil {
fmt.Printf("get %q failed: %s\n", key, err)
} else {
fmt.Println(key, "=", value)
}
continue
case "set":
if len(args) != 2 {
fmt.Println("usage: set key value")
continue
}
key, value := args[0], args[1]
cache.Invalidate()
ctx, cancel := context.WithTimeout(rootCtx, 100*time.Millisecond)
defer cancel()
if _, err := client.SetValue(ctx, nil, &key, &value); err != nil {
fmt.Printf("set %q = %q failed: %v\n", key, value, err.Error())
}
continue
case "exit":
return
default:
fmt.Println("invalid command", cmd)
fmt.Println("valid commansd are: get, set, exit")
}
}
if err := scanner.Err(); err != nil {
fmt.Println("error:", err.Error())
}
}