// NewSocket allocates a new Socket. The Socket is the handle used to
// access the underlying library.
func NewSocket(d Domain, p Protocol) (*Socket, error) {
var s Socket
var err error
s.proto = p
s.dom = d
switch p {
case PUB:
s.sock, err = pub.NewSocket()
case SUB:
s.sock, err = sub.NewSocket()
case PUSH:
s.sock, err = push.NewSocket()
case PULL:
s.sock, err = pull.NewSocket()
case REQ:
s.sock, err = req.NewSocket()
case REP:
s.sock, err = rep.NewSocket()
case SURVEYOR:
s.sock, err = surveyor.NewSocket()
case RESPONDENT:
s.sock, err = respondent.NewSocket()
case PAIR:
s.sock, err = pair.NewSocket()
case BUS:
s.sock, err = bus.NewSocket()
default:
err = mangos.ErrBadProto
}
if err != nil {
return nil, err
}
switch d {
case AF_SP:
case AF_SP_RAW:
err = s.sock.SetOption(mangos.OptionRaw, true)
default:
err = errBadDomain
}
if err != nil {
s.sock.Close()
return nil, err
}
// Compat mode sockets should timeout on send if we don't have any pipes
if err = s.sock.SetOption(mangos.OptionWriteQLen, 0); err != nil {
s.sock.Close()
return nil, err
}
s.rto = -1
s.sto = -1
all.AddTransports(s.sock)
return &s, nil
}
// ThroughputServer is the server side -- very much equivalent to local_thr in
// nanomsg/perf. It does the measurement by counting packets received.
func ThroughputServer(addr string, msgSize int, count int) {
s, err := pair.NewSocket()
if err != nil {
log.Fatalf("Failed to make new pair socket: %v", err)
}
defer s.Close()
all.AddTransports(s)
l, err := s.NewListener(addr, nil)
if err != nil {
log.Fatalf("Failed to make new listener: %v", err)
}
// Disable TCP no delay, please! - only valid for TCP
l.SetOption(mangos.OptionNoDelay, false)
// Make sure we linger a bit on close...
err = s.SetOption(mangos.OptionLinger, time.Second)
if err != nil {
log.Fatalf("Failed set Linger: %v", err)
}
err = l.Listen()
if err != nil {
log.Fatalf("Failed to listen: %v", err)
}
msg, err := s.RecvMsg()
msg.Free()
start := time.Now()
for i := 0; i != count; i++ {
msg, err := s.RecvMsg()
if err != nil {
log.Fatalf("Failed to recv: %v", err)
}
if len(msg.Body) != msgSize {
log.Fatalf("Received wrong message size: %d != %d", len(msg.Body), msgSize)
}
// return to cache to avoid GC
msg.Free()
}
finish := time.Now()
delta := finish.Sub(start)
deltasec := float64(delta) / float64(time.Second)
msgpersec := float64(count) / deltasec
mbps := (float64((count)*8*msgSize) / deltasec) / 1000000.0
fmt.Printf("message size: %d [B]\n", msgSize)
fmt.Printf("message count: %d\n", count)
fmt.Printf("throughput: %d [msg/s]\n", uint64(msgpersec))
fmt.Printf("throughput: %.3f [Mb/s]\n", mbps)
}
func setSocket(f func() (mangos.Socket, error)) error {
var err error
if sock != nil {
return errors.New("protocol already selected")
}
sock, err = f()
if err != nil {
return err
}
all.AddTransports(sock)
return nil
}
// LatencyClient is the client side of the latency test. It measures round
// trip times, and is the equivalent to nanomsg/perf/remote_lat.
func LatencyClient(addr string, msgSize int, roundTrips int) {
s, err := pair.NewSocket()
if err != nil {
log.Fatalf("Failed to make new pair socket: %v", err)
}
defer s.Close()
all.AddTransports(s)
d, err := s.NewDialer(addr, nil)
if err != nil {
log.Fatalf("Failed to make new dialer: %v", err)
}
// TCP no delay, please!
d.SetOption(mangos.OptionNoDelay, true)
// Make sure we linger a bit on close...
err = s.SetOption(mangos.OptionLinger, time.Second)
if err != nil {
log.Fatalf("Failed set Linger: %v", err)
}
err = d.Dial()
if err != nil {
log.Fatalf("Failed to dial: %v", err)
}
// 100 milliseconds to give TCP a chance to establish
//time.Sleep(time.Millisecond * 100)
msg := mangos.NewMessage(msgSize)
msg.Body = msg.Body[0:msgSize]
start := time.Now()
for i := 0; i < roundTrips; i++ {
if err = s.SendMsg(msg); err != nil {
log.Fatalf("Failed SendMsg: %v", err)
}
if msg, err = s.RecvMsg(); err != nil {
log.Fatalf("Failed RecvMsg: %v", err)
}
}
finish := time.Now()
msg.Free()
total := (finish.Sub(start)) / time.Microsecond
lat := float64(total) / float64(roundTrips*2)
fmt.Printf("message size: %d [B]\n", msgSize)
fmt.Printf("round trip count: %d\n", roundTrips)
fmt.Printf("average latency: %.3f [us]\n", lat)
}
func (c *T) Init(t *testing.T, addr string) bool {
time.Sleep(100 * time.Millisecond)
// Initial defaults
c.Lock()
defer c.Unlock()
c.t = t
c.addr = addr
c.numrx = 0 // Reset
c.numtx = 0 // Reset
c.sdoneq = make(chan struct{})
c.rdoneq = make(chan struct{})
c.readyq = make(chan struct{})
c.timeout = time.Second * 3
c.txdelay = time.Duration(time.Now().UnixNano()) % time.Millisecond
all.AddTransports(c.Sock)
return true
}
// ThroughputClient is the client side of the latency test. It simply sends
// the requested number of packets of given size to the server. It corresponds
// to remote_thr.
func ThroughputClient(addr string, msgSize int, count int) {
s, err := pair.NewSocket()
if err != nil {
log.Fatalf("Failed to make new pair socket: %v", err)
}
defer s.Close()
all.AddTransports(s)
d, err := s.NewDialer(addr, nil)
if err != nil {
log.Fatalf("Failed to make new dialer: %v", err)
}
// Disable TCP no delay, please!
d.SetOption(mangos.OptionNoDelay, false)
// Make sure we linger a bit on close...
err = s.SetOption(mangos.OptionLinger, time.Second)
if err != nil {
log.Fatalf("Failed set Linger: %v", err)
}
err = d.Dial()
if err != nil {
log.Fatalf("Failed to dial: %v", err)
}
// 100 milliseconds to give TCP a chance to establish
time.Sleep(time.Millisecond * 100)
body := make([]byte, msgSize)
for i := 0; i < msgSize; i++ {
body[i] = 111
}
// send the start message
s.Send([]byte{})
for i := 0; i < count; i++ {
if err = s.Send(body); err != nil {
log.Fatalf("Failed SendMsg: %v", err)
}
}
}
// LatencyServer is the server side -- very much equivalent to local_lat in
// nanomsg/perf. It does no measurement at all, just sends packets on the wire.
func LatencyServer(addr string, msgSize int, roundTrips int) {
s, err := pair.NewSocket()
if err != nil {
log.Fatalf("Failed to make new pair socket: %v", err)
}
defer s.Close()
all.AddTransports(s)
l, err := s.NewListener(addr, nil)
if err != nil {
log.Fatalf("Failed to make new listener: %v", err)
}
// TCP no delay, please!
l.SetOption(mangos.OptionNoDelay, true)
// Make sure we linger a bit on close...
err = s.SetOption(mangos.OptionLinger, time.Second)
if err != nil {
log.Fatalf("Failed set Linger: %v", err)
}
err = l.Listen()
if err != nil {
log.Fatalf("Failed to listen: %v", err)
}
for i := 0; i != roundTrips; i++ {
msg, err := s.RecvMsg()
if err != nil {
log.Fatalf("Failed to recv: %v", err)
}
if len(msg.Body) != msgSize {
log.Fatalf("Received wrong message size: %d != %d", len(msg.Body), msgSize)
}
if err = s.SendMsg(msg); err != nil {
log.Fatalf("Failed to send: %v", err)
}
}
}
func benchmarkReq(t *testing.B, url string, size int) {
if strings.HasPrefix(url, "ipc://") && runtime.GOOS == "windows" {
t.Skip("IPC not supported on Windows")
return
}
srvopts := make(map[string]interface{})
cliopts := make(map[string]interface{})
if strings.HasPrefix(url, "wss://") || strings.HasPrefix(url, "tls+tcp://") {
srvopts[mangos.OptionTLSConfig] = srvCfg
cliopts[mangos.OptionTLSConfig] = cliCfg
}
srvrdy := make(chan struct{})
srvsock, err := rep.NewSocket()
if err != nil || srvsock == nil {
t.Errorf("Failed creating server socket: %v", err)
return
}
defer srvsock.Close()
all.AddTransports(srvsock)
clisock, err := req.NewSocket()
if err != nil || clisock == nil {
t.Errorf("Failed creating client socket: %v", err)
return
}
defer clisock.Close()
all.AddTransports(clisock)
go func() {
var err error
var msg *mangos.Message
if err = srvsock.ListenOptions(url, srvopts); err != nil {
t.Errorf("Server listen failed: %v", err)
return
}
close(srvrdy)
// echo server
for {
if msg, err = srvsock.RecvMsg(); err != nil {
return
}
if err = srvsock.SendMsg(msg); err != nil {
t.Errorf("Server send failed: %v", err)
return
}
}
}()
if err = clisock.DialOptions(url, cliopts); err != nil {
t.Errorf("Client dial failed: %v", err)
return
}
<-srvrdy
time.Sleep(time.Millisecond * 1000)
t.ResetTimer()
msg := make([]byte, size)
for i := 0; i < t.N; i++ {
if err = clisock.Send(msg); err != nil {
t.Errorf("Client send failed: %v", err)
return
}
if msg, err = clisock.Recv(); err != nil {
t.Errorf("Client receive failed: %v", err)
return
}
}
if size > 128 {
t.SetBytes(int64(size))
}
t.StopTimer()
}
func benchmarkPair(t *testing.B, url string, size int) {
if strings.HasPrefix(url, "ipc://") && runtime.GOOS == "windows" {
t.Skip("IPC not supported on Windows")
return
}
srvopts := make(map[string]interface{})
cliopts := make(map[string]interface{})
if strings.HasPrefix(url, "wss://") || strings.HasPrefix(url, "tls+tcp://") {
srvopts[mangos.OptionTLSConfig] = srvCfg
cliopts[mangos.OptionTLSConfig] = cliCfg
}
finish := make(chan struct{})
ready := make(chan struct{})
srvsock, err := pair.NewSocket()
if err != nil || srvsock == nil {
t.Errorf("Failed creating server socket: %v", err)
return
}
all.AddTransports(srvsock)
defer srvsock.Close()
clisock, err := pair.NewSocket()
if err != nil || clisock == nil {
t.Errorf("Failed creating client socket: %v", err)
return
}
all.AddTransports(clisock)
defer clisock.Close()
go func() {
var err error
var m *mangos.Message
if err = srvsock.ListenOptions(url, srvopts); err != nil {
t.Errorf("Server listen failed: %v", err)
return
}
close(ready)
for i := 0; i < t.N; i++ {
if m, err = srvsock.RecvMsg(); err != nil {
t.Errorf("Error receiving %d: %v", i, err)
return
}
m.Free()
}
close(finish)
}()
<-ready
if err = clisock.DialOptions(url, cliopts); err != nil {
t.Errorf("Client dial failed: %v", err)
return
}
time.Sleep(700 * time.Millisecond)
t.ResetTimer()
for i := 0; i < t.N; i++ {
msg := mangos.NewMessage(size)
if err = clisock.SendMsg(msg); err != nil {
t.Errorf("Client send failed: %v", err)
return
}
}
<-finish
t.StopTimer()
if size > 128 {
t.SetBytes(int64(size))
}
}