func TestSocketEvent(t *testing.T) {
var rep *zmq.Socket
defer func() {
if rep != nil {
rep.SetLinger(0)
rep.Close()
}
}()
// REP socket
rep, err := zmq.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
// REP socket monitor, all events
err = rep.Monitor("inproc://monitor.rep", zmq.EVENT_ALL)
if err != nil {
t.Fatal("rep.Monitor:", err)
}
chMsg := make(chan string, 10)
go rep_socket_monitor("inproc://monitor.rep", chMsg)
time.Sleep(time.Second)
// Generate an event
err = rep.Bind("tcp://*:9689")
if err != nil {
t.Fatal("rep.Bind:", err)
}
rep.Close()
rep = nil
expect := []string{
"EVENT_LISTENING tcp://0.0.0.0:9689",
"EVENT_CLOSED tcp://0.0.0.0:9689",
"Done",
}
i := 0
for msg := range chMsg {
if i < len(expect) {
if msg != expect[i] {
t.Errorf("Expected message %q, got %q", expect[i], msg)
}
i++
} else {
t.Error("Unexpected message: %q", msg)
}
}
for ; i < len(expect); i++ {
t.Errorf("Expected message %q, got nothing", expect[i])
}
}
func StartZeromqProtoRepServer(port string) {
var socket *zmq.Socket
var err error
if socket, err = zmq.NewSocket(zmq.REP); err != nil {
log.Fatal(err)
}
if err = socket.Bind("tcp://0.0.0.0:" + port); err != nil {
log.Fatal(err)
}
for {
request, _ := socket.RecvBytes(0)
var body pb.Request
proto.Unmarshal(request, &body)
response, _ := proto.Marshal(&pb.Response{
Method: body.Method,
PayloadLength: int64(len(body.Payload)),
})
socket.SendBytes(response, 0)
}
}
func bind(socket *zmq.Socket, transport string, address string, port int) {
endpoint := fmt.Sprintf("%s://%s:%d", transport, address, port)
err := socket.Bind(endpoint)
if err != nil {
die("failed binding %s: %s", endpoint, err.Error())
}
}
/************************************************************
Creates Sockets for Sending and Receiving purpose
*************************************************************/
func createSendAndReceivingSocket(configFile string, selfPort int) ([]*zmq.Socket, *zmq.Socket) {
file, e := ioutil.ReadFile("./" + configFile)
if e != nil {
fmt.Printf("Raft Test File error: %v\n", e)
os.Exit(1)
}
var jsontype jsonobject
json.Unmarshal(file, &jsontype)
elementCount := len(jsontype.Server)
sendConnections := make([]*zmq.Socket, elementCount)
tempId := 0
for _, value := range jsontype.Server {
sendConnections[tempId], _ = zmq.NewSocket(zmq.PUSH)
sendConnections[tempId].Connect("tcp://localhost:" + strconv.Itoa(value.Port_Num+1))
tempId++
}
var receiveConnection *zmq.Socket
receiveConnection, _ = zmq.NewSocket(zmq.PULL)
receiveConnection.Bind("tcp://*:" + strconv.Itoa(selfPort))
return sendConnections, receiveConnection
}
func New(id int, f string) Cluster {
var myid int
var peer [MAX_SERVER]int
var cluster [MAX_SERVER]*zmq.Socket
var mycluster *zmq.Socket
var no_of_p int
file, _ := ioutil.ReadFile(f)
var jsontype jsonobject
json.Unmarshal(file, &jsontype)
myid = id
no_of_p = jsontype.Object.Buffer_size
for i := 0; i < jsontype.Object.Buffer_size; i++ {
if jsontype.Object.Peers[i].Id != myid {
peer[i] = jsontype.Object.Peers[i].Id
cluster[i], _ = zmq.NewSocket(zmq.PUSH)
cluster[i].Connect("tcp://" + jsontype.Object.Peers[i].Host)
} else {
mycluster, _ = zmq.NewSocket(zmq.PULL)
mycluster.SetIdentity(string(id))
a := strings.Split(jsontype.Object.Peers[i].Host, ":")
mycluster.Bind("tcp://*:" + a[1])
}
}
return Cluster{myid: id, peer: peer, no_of_peer: no_of_p, my_cluster: mycluster, cluster: cluster, inbox: make(chan *Envelope, BUFFER_LENGTH_IN), outbox: make(chan *Envelope, BUFFER_LENGTH_OUT)}
}
func New(serverid int, filename string) Servernode {
var data serverlist
content, err := ioutil.ReadFile(filename)
if err != nil {
panic(err)
}
err = json.Unmarshal(content, &data)
if err != nil {
panic("Error parsing json File")
}
mapofservers = make(map[int]int)
for i := 0; i < len(data.RunningServer); i++ {
mapofservers[data.RunningServer[i].Serverid] = data.RunningServer[i].Portno
}
var s Servernode
s.peers = make(map[int]int)
s.peersocks = make(map[int]*zmq.Socket)
_, exist := mapofservers[serverid]
if exist != true {
panic("Error in creation of new server instance")
}
s.sid = serverid
s.pid = mapofservers[serverid]
s.outbox = make(chan *Envelope)
s.inbox = make(chan *Envelope)
var responder *zmq.Socket
var requester *zmq.Socket
for id, port := range mapofservers {
if id == serverid {
responder, err = zmq.NewSocket(zmq.PULL)
s.Ownsocks = responder
responder.Bind("tcp://*:" + strconv.Itoa(port))
if err != nil {
panic("Problem Binding Server")
}
} else {
requester, err = zmq.NewSocket(zmq.PUSH)
if err != nil {
panic("Problem Binding Server")
}
requester.Connect("tcp://localhost:" + strconv.Itoa(port))
s.peers[id] = port
s.peersocks[port] = requester
}
}
go s.SendMessage()
go s.RecieveMessage(responder)
return s
}
func applyZMQConfig(socket *zmq.Socket, configs []ZMQConfig) {
for _, config := range configs {
switch config.Type {
case "bind":
socket.Bind(config.Uri)
case "connect":
socket.Connect(config.Uri)
}
}
}
// serveZMQ
func serveZMQ(zmqPort int, channelStr chan string, metrics metricContainer) {
var zmqListener *zmq.Socket
if channelStr == nil {
listenerURL := "*:" + strconv.Itoa(zmqPort)
fmt.Println("ZeroMQ listening on port: " + listenerURL)
zmqListener, _ = zmq.NewSocket(zmq.PULL)
defer zmqListener.Close()
zmqListener.Bind("tcp://" + listenerURL)
}
for {
var msg string
if channelStr == nil {
// Wait for next request from client
var err error
msg, err = zmqListener.Recv(0)
if err != nil {
fmt.Printf("Error in receive: %v", err)
break
}
} else {
msg = <-channelStr
}
// unmarshall bulked data
var bulk []string
err := json.Unmarshal([]byte(msg), &bulk)
if err != nil {
fmt.Println("json unmarshall error:", err)
}
// extra data
for _, data := range bulk {
dtime, _ := utils.ParseDate4(data[:19])
//dtime, err := time.Parse(dtFormat, data[:19]) // date time
if err != nil {
fmt.Println("time.Parse error:", err)
}
value := data[20:]
intval, _ := strconv.Atoi(value)
m := metric{dtime, intval}
metrics.AddMetric(&m)
//fmt.Println("At ", dtime, " value=", value)
}
}
}
// main entry point for data writer
func main() {
var err error
var writerSocket *zmq4.Socket
var eventSubSocket *zmq4.Socket
fog.Info("program starts")
if writerSocket, err = createWriterSocket(); err != nil {
fog.Critical("createWriterSocket %s", err)
}
defer writerSocket.Close()
fog.Info("binding writer socket to %s", dataWriterAddress)
if err = writerSocket.Bind(dataWriterAddress); err != nil {
fog.Critical("Bind(%s) %s", dataWriterAddress, err)
}
if eventSubSocket, err = createEventSubSocket(); err != nil {
fog.Critical("createEventSubSocket %s", err)
}
defer eventSubSocket.Close()
fog.Info("connecting event sub socket to %s", eventAggregatorPubAddress)
if err = eventSubSocket.Connect(eventAggregatorPubAddress); err != nil {
fog.Critical("Connect(%s) %s", eventAggregatorPubAddress, err)
}
messageChan := NewMessageHandler()
reactor := zmq4.NewReactor()
reactor.AddChannel(tools.NewSignalWatcher(), 1, tools.SigtermHandler)
reactor.AddSocket(writerSocket, zmq4.POLLIN,
NewWriterSocketHandler(writerSocket, messageChan))
reactor.AddSocket(eventSubSocket, zmq4.POLLIN,
NewEventSubSocketHandler(eventSubSocket))
fog.Debug("starting reactor.Run")
reactor.SetVerbose(true)
err = reactor.Run(reactorPollingInterval)
if err == tools.SigtermError {
fog.Info("program terminates normally due to SIGTERM")
} else if errno, ok := err.(syscall.Errno); ok {
// we can get 'interrupted system call' if we get SIGTERM while
// a socket is waiting on a read. That's not too bad.
if errno == syscall.EINTR {
fog.Warn("reactor.Run returns '%s' assuming SIGTERM", errno)
} else {
fog.Error("reactor.Run returns %T '%s'", errno, errno)
}
} else {
fog.Error("reactor.Run returns %T %s", err, err)
}
}
func TestPairTcp(t *testing.T) {
var sb, sc *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{sb, sc} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
sb, err := zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sb.Bind("tcp://127.0.0.1:9736")
if err != nil {
t.Fatal("sb.Bind:", err)
}
sc, err = zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sc.Connect("tcp://127.0.0.1:9736")
if err != nil {
t.Fatal("sc.Connect:", err)
}
msg, err := bounce(sb, sc)
if err != nil {
t.Error(msg, err)
}
err = sc.Close()
sc = nil
if err != nil {
t.Error("sc.Close:", err)
}
err = sb.Close()
sb = nil
if err != nil {
t.Error("sb.Close:", err)
}
}
func ApplyZeroMQConfigs(socket *zmq.Socket, configs []*ZeroMQConfig) (err error) {
for _, config := range configs {
switch config.Mode {
case "connect":
err = socket.Connect(config.URI)
case "bind":
err = socket.Bind(config.URI)
default:
err = errUnknownZeroMQMode
}
if err != nil {
return
}
}
return
}
func New(id int, f string) Cluster {
var myid int
var peer [MAX_SERVER]int
var cluster [MAX_SERVER]*zmq.Socket
var mycluster *zmq.Socket
var no_of_p int
var server Cluster
file, _ := ioutil.ReadFile(f)
var jsontype jsonobject
var logfile string
var timeout int
var network_cd bytes.Buffer
json.Unmarshal(file, &jsontype)
myid = id
no_of_p = jsontype.Object.Buffer_size
for i := 0; i < jsontype.Object.Buffer_size; i++ {
if jsontype.Object.Peers[i].Id != myid {
peer[i] = jsontype.Object.Peers[i].Id
cluster[i], _ = zmq.NewSocket(zmq.PUSH)
cluster[i].Connect("tcp://" + jsontype.Object.Peers[i].Host)
} else {
mycluster, _ = zmq.NewSocket(zmq.PULL)
mycluster.SetIdentity(string(id))
a := strings.Split(jsontype.Object.Peers[i].Host, ":")
mycluster.Bind("tcp://*:" + a[1])
logfile = jsontype.Object.Peers[i].Logdir
timeout = jsontype.Object.Peers[i].Timeout
}
}
server = Cluster{myid: id, peer: peer, no_of_peer: no_of_p, logdir: logfile, election_timeout: timeout, my_cluster: mycluster, cluster: cluster, inbox: make(chan *Envelope, BUFFER_LENGTH_IN), outbox: make(chan *Envelope, BUFFER_LENGTH_OUT), network: network_cd}
go server.Send()
go server.Receive()
return server
}
func bind(sock *zmq.Socket, endpoint string) (string, uint16, error) {
var port uint16
e, err := url.Parse(endpoint)
if err != nil {
return endpoint, 0, err
}
if e.Scheme == "inproc" {
err = sock.Bind(endpoint)
return endpoint, 0, err
}
ip, p, err := net.SplitHostPort(e.Host)
if err != nil {
return endpoint, 0, err
}
if p == "*" {
for i := dynPortFrom; i <= dynPortTo; i++ {
rand.Seed(time.Now().UTC().UnixNano())
port = uint16(rand.Intn(int(dynPortTo-dynPortFrom))) + dynPortFrom
endpoint = fmt.Sprintf("%s://%s:%d", e.Scheme, ip, port)
err = sock.Bind(endpoint)
if err == nil {
break
} else if err.Error() == "no sock.ch device" {
port = 0
err = fmt.Errorf("no sock.ch device: %s", endpoint)
break
} else if i-dynPortFrom > 100 {
err = errors.New("Unable to bind to an ephemeral port")
break
}
}
return endpoint, port, err
}
pp, err := strconv.ParseUint(p, 10, 16)
if err != nil {
return endpoint, 0, err
}
port = uint16(pp)
err = sock.Bind(endpoint)
return endpoint, port, err
}
func TestZmqChanSocket(t *testing.T) {
var sb, sc *zmq.Socket
var cb, cc zmqchan.ChanSocket
var err error
num := 10
defer func() {
if sb != nil {
sb.SetLinger(0)
sb.Close()
}
if sc != nil {
sc.SetLinger(0)
sc.Close()
}
if cb != nil {
log.Println("MAIN: Close")
cb.Close()
}
if cc != nil {
log.Println("ECHO: Close")
cc.Close()
}
log.Println("BOTH: Exit")
}()
if sb, err = zmq.NewSocket(zmq.PAIR); err != nil {
t.Fatal("NewSocket:", err)
}
if sc, err = zmq.NewSocket(zmq.PAIR); err != nil {
t.Fatal("NewSocket:", err)
}
if err = sb.Bind("tcp://127.0.0.1:9737"); err != nil {
t.Fatal("sb.Bind:", err)
}
if err = sc.Connect("tcp://127.0.0.1:9737"); err != nil {
t.Fatal("sc.Connect:", err)
}
if cb, err = zmqchan.NewZmqChanSocket(sb, 0, 0); err != nil {
t.Fatal("sb.NewZmqChanSocket:", err)
}
sb = nil // don't access this or close it on defer
if cc, err = zmqchan.NewZmqChanSocket(sc, 0, 0); err != nil {
t.Fatal("sb.NewZmqChanSocket:", err)
}
sc = nil // don't access this or close it on defer
var wg sync.WaitGroup
wg.Add(1)
go func() {
runEcho(t, num, cc)
wg.Done()
}()
wg.Add(1)
go func() {
runWrite(t, num, cb)
wg.Done()
}()
wg.Wait()
log.Println("BOTH: done")
}
func main() {
flag.Parse(nil)
address_list := flag.Args
if len(address_list) == 0 {
fmt.Println("No Addresses submitted")
fmt.Println(flag.Help())
return
}
var send, recv bool
skip := false
var socket *zmq.Socket
switch *socket_type {
case "PUSH":
socket, _ = zmq.NewSocket(zmq.PUSH)
send = true
case "PULL":
socket, _ = zmq.NewSocket(zmq.PULL)
recv = true
case "PUB":
socket, _ = zmq.NewSocket(zmq.PUB)
send = true
case "SUB":
socket, _ = zmq.NewSocket(zmq.SUB)
recv = true
if len(*subscriptions) == 0 {
socket.SetSubscribe("")
}
for _, subscription := range *subscriptions {
socket.SetSubscribe(subscription)
}
case "REQ":
socket, _ = zmq.NewSocket(zmq.REQ)
send = true
recv = true
case "REP":
socket, _ = zmq.NewSocket(zmq.REP)
send = true
recv = true
skip = true
}
defer socket.Close()
// connect or bind
if *mode {
for _, address := range address_list {
socket.Connect(address)
}
} else {
for _, address := range address_list {
socket.Bind(address)
}
}
delim := byte('\n')
if *null {
fmt.Println("Setting delim to null")
delim = byte(0x00)
}
reader := bufio.NewReader(os.Stdin)
writer := bufio.NewWriter(os.Stdout)
for i := 0; i < *number || *number == -1; i++ {
if send && !skip {
line, _ := reader.ReadBytes(delim)
socket.SendBytes([]byte(line), 0)
}
if recv {
data, _ := socket.RecvBytes(0)
writer.Write(data)
writer.Flush()
}
if skip {
skip = false
}
}
fmt.Println("finished", *number)
}
func TestRemoteEndpoint(t *testing.T) {
if _, minor, _ := zmq.Version(); minor < 1 {
t.Skip("RemoteEndpoint not avalable in ZeroMQ versions prior to 4.1.0")
}
addr := "tcp://127.0.0.1:9560"
peer := "127.0.0.1"
var rep, req *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{rep, req} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
rep, err := zmq.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
req, err = zmq.NewSocket(zmq.REQ)
if err != nil {
t.Fatal("NewSocket:", err)
}
if err = rep.Bind(addr); err != nil {
t.Fatal("rep.Bind:", err)
}
if err = req.Connect(addr); err != nil {
t.Fatal("req.Connect:", err)
}
tmp := "test"
if _, err = req.Send(tmp, 0); err != nil {
t.Fatal("req.Send:", err)
}
// get message with peer address (remote endpoint)
msg, props, err := rep.RecvWithMetadata(0, "Peer-Address")
if err != nil {
t.Fatal("rep.RecvWithMetadata:", err)
return
}
if msg != tmp {
t.Errorf("rep.RecvWithMetadata: expected %q, got %q", tmp, msg)
}
if p := props["Peer-Address"]; p != peer {
t.Errorf("rep.RecvWithMetadata: expected Peer-Address == %q, got %q", peer, p)
}
err = rep.Close()
rep = nil
if err != nil {
t.Fatal("rep.Close:", err)
}
err = req.Close()
req = nil
if err != nil {
t.Fatal("req.Close:", err)
}
}
func TestDisconnectInproc(t *testing.T) {
var pubSocket, subSocket *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{pubSocket, subSocket} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
publicationsReceived := 0
isSubscribed := false
pubSocket, err := zmq.NewSocket(zmq.XPUB)
if err != nil {
t.Fatal("NewSocket XPUB:", err)
}
subSocket, err = zmq.NewSocket(zmq.SUB)
if err != nil {
t.Fatal("NewSocket SUB:", err)
}
err = subSocket.SetSubscribe("foo")
if err != nil {
t.Fatal("subSocket.SetSubscribe:", err)
}
err = pubSocket.Bind("inproc://someInProcDescriptor")
if err != nil {
t.Fatal("pubSocket.Bind:", err)
}
iteration := 0
poller := zmq.NewPoller()
poller.Add(subSocket, zmq.POLLIN) // read publications
poller.Add(pubSocket, zmq.POLLIN) // read subscriptions
for {
sockets, err := poller.Poll(100 * time.Millisecond)
if err != nil {
t.Error("Poll:", err)
break // Interrupted
}
for _, socket := range sockets {
if socket.Socket == pubSocket {
for {
buffer, err := pubSocket.Recv(0)
if err != nil {
t.Fatal("pubSocket.Recv", err)
}
exp := "\x01foo"
if isSubscribed {
exp = "\x00foo"
}
if buffer != exp {
t.Errorf("pubSocket.Recv: expected %q, got %q", exp, buffer)
}
if buffer[0] == 0 {
if isSubscribed != true {
t.Errorf("Poller: expected subscribed")
}
isSubscribed = false
} else {
if isSubscribed != false {
t.Errorf("Poller: expected not subscribed")
}
isSubscribed = true
}
more, err := pubSocket.GetRcvmore()
if err != nil {
t.Fatal("pubSocket.GetRcvmore:", err)
}
if !more {
break // Last message part
}
}
break
}
}
for _, socket := range sockets {
if socket.Socket == subSocket {
for _, exp := range []string{"foo", "this is foo!", "", ""} {
msg, err := subSocket.Recv(0)
if err != nil {
t.Fatal("subSocket.Recv:", err)
}
if msg != exp {
t.Errorf("subSocket.Recv: expected %q, got %q", exp, msg)
}
more, err := subSocket.GetRcvmore()
if err != nil {
t.Fatal("subSocket.GetRcvmore:", err)
}
if !more {
publicationsReceived++
break // Last message part
}
}
break
}
}
if iteration == 1 {
err := subSocket.Connect("inproc://someInProcDescriptor")
if err != nil {
t.Fatal("subSocket.Connect", err)
}
}
if iteration == 4 {
err := subSocket.Disconnect("inproc://someInProcDescriptor")
if err != nil {
t.Fatal("subSocket.Disconnect", err)
}
}
if iteration > 4 && len(sockets) == 0 {
break
}
_, err = pubSocket.Send("foo", zmq.SNDMORE)
if err != nil {
t.Fatal("pubSocket.Send 1", err)
}
_, err = pubSocket.Send("this is foo!", 0)
if err != nil {
t.Fatal("pubSocket.Send 2", err)
}
iteration++
}
if publicationsReceived != 3 {
t.Error("publicationsReceived != 3 ")
}
if isSubscribed {
t.Error("isSubscribed")
}
err = pubSocket.Close()
pubSocket = nil
if err != nil {
t.Error("pubSocket.Close:", err)
}
err = subSocket.Close()
subSocket = nil
if err != nil {
t.Error("subSocket.Close:", err)
}
}
func TestHwm(t *testing.T) {
MAX_SENDS := 10000
BIND_FIRST := 1
CONNECT_FIRST := 2
test_defaults := func() (result int) {
result = -1
// Set up bind socket
bind_socket, err := zmq.NewSocket(zmq.PULL)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := bind_socket.Close()
if err != nil {
t.Error("bind_socket.Close:", err)
}
}()
err = bind_socket.Bind("inproc://a")
if err != nil {
t.Error("bind_socket.Bind:", err)
return
}
// Set up connect socket
connect_socket, err := zmq.NewSocket(zmq.PUSH)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := connect_socket.Close()
if err != nil {
t.Error("connect_socket.Close:", err)
}
}()
err = connect_socket.Connect("inproc://a")
if err != nil {
t.Error("connect_socket.Connect:", err)
return
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
if send_count != recv_count {
t.Error("test_defaults: send_count == recv_count")
}
return send_count
}
count_msg := func(send_hwm, recv_hwm, testType int) (result int) {
result = -1
var bind_socket, connect_socket *zmq.Socket
var err error
if testType == BIND_FIRST {
// Set up bind socket
bind_socket, err = zmq.NewSocket(zmq.PULL)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := bind_socket.Close()
if err != nil {
t.Error("bind_socket.Close:", err)
}
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if err != nil {
t.Error("bind_socket.SetRcvhwm:", err)
return
}
err = bind_socket.Bind("inproc://a")
if err != nil {
t.Error("bind_socket.Bind:", err)
return
}
// Set up connect socket
connect_socket, err = zmq.NewSocket(zmq.PUSH)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := connect_socket.Close()
if err != nil {
t.Error(err)
}
}()
err = connect_socket.SetSndhwm(send_hwm)
if err != nil {
t.Error("connect_socket.SetSndhwm:", err)
return
}
err = connect_socket.Connect("inproc://a")
if err != nil {
t.Error("connect_socket.Connect:", err)
return
}
} else {
// Set up connect socket
connect_socket, err = zmq.NewSocket(zmq.PUSH)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := connect_socket.Close()
if err != nil {
t.Error("connect_socket.Close:", err)
}
}()
err = connect_socket.SetSndhwm(send_hwm)
if err != nil {
t.Error("connect_socket.SetSndhwm:", err)
return
}
err = connect_socket.Connect("inproc://a")
if err != nil {
t.Error("connect_socket.Connect:", err)
return
}
// Set up bind socket
bind_socket, err = zmq.NewSocket(zmq.PULL)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := bind_socket.Close()
if err != nil {
t.Error("bind_socket.Close:", err)
}
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if err != nil {
t.Error("bind_socket.SetRcvhwm:", err)
return
}
err = bind_socket.Bind("inproc://a")
if err != nil {
t.Error("bind_socket.Bind:", err)
return
}
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
if send_count != recv_count {
t.Error("count_msg: send_count != recv_count")
}
// Now it should be possible to send one more.
_, err = connect_socket.Send("", 0)
if err != nil {
t.Error("connect_socket.Send:", err)
return
}
// Consume the remaining message.
_, err = bind_socket.Recv(0)
if err != nil {
t.Error("bind_socket.Recv:", err)
}
return send_count
}
test_inproc_bind_first := func(send_hwm, recv_hwm int) int {
return count_msg(send_hwm, recv_hwm, BIND_FIRST)
}
test_inproc_connect_first := func(send_hwm, recv_hwm int) int {
return count_msg(send_hwm, recv_hwm, CONNECT_FIRST)
}
test_inproc_connect_and_close_first := func(send_hwm, recv_hwm int) (result int) {
result = -1
// Set up connect socket
connect_socket, err := zmq.NewSocket(zmq.PUSH)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
if connect_socket != nil {
connect_socket.Close()
}
}()
err = connect_socket.SetSndhwm(send_hwm)
if err != nil {
t.Error("connect_socket.SetSndhwm:", err)
return
}
err = connect_socket.Connect("inproc://a")
if err != nil {
t.Error("connect_socket.Connect:", err)
return
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Close connect
err = connect_socket.Close()
connect_socket = nil
if err != nil {
t.Error("connect_socket.Close:", err)
return
}
// Set up bind socket
bind_socket, err := zmq.NewSocket(zmq.PULL)
if err != nil {
t.Error("NewSocket:", err)
return
}
defer func() {
err := bind_socket.Close()
if err != nil {
t.Error("bind_socket.Close:", err)
}
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if err != nil {
t.Error("bind_socket.SetRcvhwm:", err)
return
}
err = bind_socket.Bind("inproc://a")
if err != nil {
t.Error("bind_socket.Bind:", err)
return
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
if send_count != recv_count {
t.Error("test_inproc_connect_and_close_first: send_count != recv_count")
}
return send_count
}
// Default values are 1000 on send and 1000 one receive, so 2000 total
if count := test_defaults(); count != 2000 {
t.Errorf("test_defaults: expected 2000, got %d", count)
}
time.Sleep(100 * time.Millisecond)
// Infinite send and receive buffer
if count := test_inproc_bind_first(0, 0); count != MAX_SENDS {
t.Errorf("test_inproc_bind_first(0, 0): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
if count := test_inproc_connect_first(0, 0); count != MAX_SENDS {
t.Errorf("test_inproc_connect_first(0, 0): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
// Infinite send buffer
if count := test_inproc_bind_first(1, 0); count != MAX_SENDS {
t.Errorf("test_inproc_bind_first(1, 0): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
if count := test_inproc_connect_first(1, 0); count != MAX_SENDS {
t.Errorf("test_inproc_connect_first(1, 0): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
// Infinite receive buffer
if count := test_inproc_bind_first(0, 1); count != MAX_SENDS {
t.Errorf("test_inproc_bind_first(0, 1): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
if count := test_inproc_connect_first(0, 1); count != MAX_SENDS {
t.Errorf("test_inproc_connect_first(0, 1): expected %d, got %d", MAX_SENDS, count)
}
time.Sleep(100 * time.Millisecond)
// Send and recv buffers hwm 1, so total that can be queued is 2
if count := test_inproc_bind_first(1, 1); count != 2 {
t.Errorf("test_inproc_bind_first(1, 1): expected 2, got %d", count)
}
time.Sleep(100 * time.Millisecond)
if count := test_inproc_connect_first(1, 1); count != 2 {
t.Errorf("test_inproc_connect_first(1, 1): expected 2, got %d", count)
}
time.Sleep(100 * time.Millisecond)
// Send hwm of 1, send before bind so total that can be queued is 1
if count := test_inproc_connect_and_close_first(1, 0); count != 1 {
t.Errorf("test_inproc_connect_and_close_first(1, 0): expected 1, got %d", count)
}
time.Sleep(100 * time.Millisecond)
}
func TestMultipleContexts(t *testing.T) {
chQuit := make(chan interface{})
chErr := make(chan error, 2)
needQuit := false
var sock1, sock2, serv1, serv2 *zmq.Socket
var serv_ctx1, serv_ctx2, ctx1, ctx2 *zmq.Context
var err error
defer func() {
if needQuit {
chQuit <- true
chQuit <- true
<-chErr
<-chErr
}
for _, s := range []*zmq.Socket{sock1, sock2, serv1, serv2} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
for _, c := range []*zmq.Context{serv_ctx1, serv_ctx2, ctx1, ctx2} {
if c != nil {
c.Term()
}
}
}()
addr1 := "tcp://127.0.0.1:9997"
addr2 := "tcp://127.0.0.1:9998"
serv_ctx1, err = zmq.NewContext()
if err != nil {
t.Fatal("NewContext:", err)
}
serv1, err = serv_ctx1.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = serv1.Bind(addr1)
if err != nil {
t.Fatal("Bind:", err)
}
serv_ctx2, err = zmq.NewContext()
if err != nil {
t.Fatal("NewContext:", err)
}
serv2, err = serv_ctx2.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = serv2.Bind(addr2)
if err != nil {
t.Fatal("Bind:", err)
}
new_service := func(sock *zmq.Socket, addr string) {
socket_handler := func(state zmq.State) error {
msg, err := sock.RecvMessage(0)
if err != nil {
return err
}
_, err = sock.SendMessage(addr, msg)
return err
}
quit_handler := func(interface{}) error {
return errors.New("quit")
}
reactor := zmq.NewReactor()
reactor.AddSocket(sock, zmq.POLLIN, socket_handler)
reactor.AddChannel(chQuit, 1, quit_handler)
err = reactor.Run(100 * time.Millisecond)
chErr <- err
}
go new_service(serv1, addr1)
go new_service(serv2, addr2)
needQuit = true
time.Sleep(time.Second)
// default context
sock1, err = zmq.NewSocket(zmq.REQ)
if err != nil {
t.Fatal("NewSocket:", err)
}
sock2, err = zmq.NewSocket(zmq.REQ)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sock1.Connect(addr1)
if err != nil {
t.Fatal("sock1.Connect:", err)
}
err = sock2.Connect(addr2)
if err != nil {
t.Fatal("sock2.Connect:", err)
}
_, err = sock1.SendMessage(addr1)
if err != nil {
t.Fatal("sock1.SendMessage:", err)
}
_, err = sock2.SendMessage(addr2)
if err != nil {
t.Fatal("sock2.SendMessage:", err)
}
msg, err := sock1.RecvMessage(0)
expected := []string{addr1, addr1}
if err != nil || !arrayEqual(msg, expected) {
t.Errorf("sock1.RecvMessage: expected %v %v, got %v %v", nil, expected, err, msg)
}
msg, err = sock2.RecvMessage(0)
expected = []string{addr2, addr2}
if err != nil || !arrayEqual(msg, expected) {
t.Errorf("sock2.RecvMessage: expected %v %v, got %v %v", nil, expected, err, msg)
}
err = sock1.Close()
sock1 = nil
if err != nil {
t.Fatal("sock1.Close:", err)
}
err = sock2.Close()
sock2 = nil
if err != nil {
t.Fatal("sock2.Close:", err)
}
// non-default contexts
ctx1, err = zmq.NewContext()
if err != nil {
t.Fatal("NewContext:", err)
}
ctx2, err = zmq.NewContext()
if err != nil {
t.Fatal("NewContext:", err)
}
sock1, err = ctx1.NewSocket(zmq.REQ)
if err != nil {
t.Fatal("ctx1.NewSocket:", err)
}
sock2, err = ctx2.NewSocket(zmq.REQ)
if err != nil {
t.Fatal("ctx2.NewSocket:", err)
}
err = sock1.Connect(addr1)
if err != nil {
t.Fatal("sock1.Connect:", err)
}
err = sock2.Connect(addr2)
if err != nil {
t.Fatal("sock2.Connect:", err)
}
_, err = sock1.SendMessage(addr1)
if err != nil {
t.Fatal("sock1.SendMessage:", err)
}
_, err = sock2.SendMessage(addr2)
if err != nil {
t.Fatal("sock2.SendMessage:", err)
}
msg, err = sock1.RecvMessage(0)
expected = []string{addr1, addr1}
if err != nil || !arrayEqual(msg, expected) {
t.Errorf("sock1.RecvMessage: expected %v %v, got %v %v", nil, expected, err, msg)
}
msg, err = sock2.RecvMessage(0)
expected = []string{addr2, addr2}
if err != nil || !arrayEqual(msg, expected) {
t.Errorf("sock2.RecvMessage: expected %v %v, got %v %v", nil, expected, err, msg)
}
err = sock1.Close()
sock1 = nil
if err != nil {
t.Fatal("sock1.Close:", err)
}
err = sock2.Close()
sock2 = nil
if err != nil {
t.Fatal("sock2.Close:", err)
}
err = ctx1.Term()
ctx1 = nil
if err != nil {
t.Fatal("ctx1.Term", nil)
}
err = ctx2.Term()
ctx1 = nil
if err != nil {
t.Fatal("ctx2.Term", nil)
}
needQuit = false
for i := 0; i < 2; i++ {
// close(chQuit) doesn't work because the reactor removes closed channels, instead of acting on them
chQuit <- true
err = <-chErr
if err.Error() != "quit" {
t.Errorf("Expected error value quit, got %v", err)
}
}
}
func TestConflate(t *testing.T) {
var s_in, s_out *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{s_in, s_out} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
bind_to := "tcp://127.0.0.1:5555"
err := zmq.SetIoThreads(1)
if err != nil {
t.Fatal("SetIoThreads(1):", err)
}
s_in, err = zmq.NewSocket(zmq.PULL)
if err != nil {
t.Fatal("NewSocket 1:", err)
}
err = s_in.SetConflate(true)
if err != nil {
t.Fatal("SetConflate(true):", err)
}
err = s_in.Bind(bind_to)
if err != nil {
t.Fatal("s_in.Bind:", err)
}
s_out, err = zmq.NewSocket(zmq.PUSH)
if err != nil {
t.Fatal("NewSocket 2:", err)
}
err = s_out.Connect(bind_to)
if err != nil {
t.Fatal("s_out.Connect:", err)
}
message_count := 20
for j := 0; j < message_count; j++ {
_, err = s_out.Send(fmt.Sprint(j), 0)
if err != nil {
t.Fatalf("s_out.Send %d: %v", j, err)
}
}
time.Sleep(time.Second)
payload_recved, err := s_in.Recv(0)
if err != nil {
t.Error("s_in.Recv:", err)
} else {
i, err := strconv.Atoi(payload_recved)
if err != nil {
t.Error("strconv.Atoi:", err)
}
if i != message_count-1 {
t.Error("payload_recved != message_count - 1")
}
}
err = s_in.Close()
s_in = nil
if err != nil {
t.Error("s_in.Close:", err)
}
err = s_out.Close()
s_out = nil
if err != nil {
t.Error("s_out.Close:", err)
}
}
func TestSecurityPlain(t *testing.T) {
time.Sleep(100 * time.Millisecond)
var handler, server, client *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{handler} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
handler, err := zmq.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = handler.Bind("inproc://zeromq.zap.01")
if err != nil {
t.Fatal("handler.Bind:", err)
}
doHandler := func(state zmq.State) error {
msg, err := handler.RecvMessage(0)
if err != nil {
return err // Terminating
}
version := msg[0]
sequence := msg[1]
// domain := msg[2]
// address := msg[3]
identity := msg[4]
mechanism := msg[5]
username := msg[6]
password := msg[7]
if version != "1.0" {
return errors.New("version != 1.0")
}
if mechanism != "PLAIN" {
return errors.New("mechanism != PLAIN")
}
if identity != "IDENT" {
return errors.New("identity != IDENT")
}
if username == "admin" && password == "password" {
handler.SendMessage(version, sequence, "200", "OK", "anonymous", "")
} else {
handler.SendMessage(version, sequence, "400", "Invalid username or password", "", "")
}
return nil
}
doQuit := func(i interface{}) error {
err := handler.Close()
if err != nil {
t.Error("handler.Close:", err)
}
return errors.New("Quit")
}
quit := make(chan interface{})
reactor := zmq.NewReactor()
reactor.AddSocket(handler, zmq.POLLIN, doHandler)
reactor.AddChannel(quit, 0, doQuit)
go func() {
reactor.Run(100 * time.Millisecond)
quit <- true
}()
defer func() {
quit <- true
<-quit
close(quit)
}()
// Server socket will accept connections
server, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket", err)
}
err = server.SetIdentity("IDENT")
if err != nil {
t.Fatal("server.SetIdentity:", err)
}
err = server.SetPlainServer(1)
if err != nil {
t.Fatal("server.SetPlainServer(1):", err)
}
err = server.Bind("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("server.Bind")
}
// Check PLAIN security with correct username/password
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetPlainUsername("admin")
if err != nil {
t.Fatal("client.SetPlainUsername:"******"password")
if err != nil {
t.Fatal("client.SetPlainPassword:"******"tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
msg, err := bounce(server, client)
if err != nil {
t.Error(msg, err)
}
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
// Check PLAIN security with badly configured client (as_server)
// This will be caught by the plain_server class, not passed to ZAP
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
client.SetPlainServer(1)
if err != nil {
t.Fatal("client.SetPlainServer(1):", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
err = server.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("server.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
client.SetLinger(0)
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
err = server.Close()
server = nil
if err != nil {
t.Fatal("server.Close:", err)
}
}
func TestAbstractIpc(t *testing.T) {
var sb, sc *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{sb, sc} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
addr := "ipc://@/tmp/tester"
// This is Linux only
if runtime.GOOS != "linux" {
t.Skip("Only on Linux")
}
sb, err := zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sb.Bind(addr)
if err != nil {
t.Fatal("sb.Bind:", err)
}
endpoint, err := sb.GetLastEndpoint()
expected := "ipc://@/tmp/tester"
if endpoint != expected || err != nil {
t.Fatalf("sb.GetLastEndpoint: expected 'nil' %q, got '%v' %q", expected, err, endpoint)
return
}
sc, err = zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sc.Connect(addr)
if err != nil {
t.Fatal("sc.Bind:", err)
}
resp, err := bounce(sb, sc)
if err != nil {
t.Error(resp, err)
}
err = sc.Close()
sc = nil
if err != nil {
t.Fatal("sc.Close:", err)
}
err = sb.Close()
sb = nil
if err != nil {
t.Fatal("sb.Close:", err)
}
}
func TestSecurityNull(t *testing.T) {
time.Sleep(100 * time.Millisecond)
var handler, server, client *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{handler} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
handler, err := zmq.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = handler.Bind("inproc://zeromq.zap.01")
if err != nil {
t.Fatal("handler.Bind:", err)
}
doHandler := func(state zmq.State) error {
msg, err := handler.RecvMessage(0)
if err != nil {
return err // Terminating
}
version := msg[0]
sequence := msg[1]
domain := msg[2]
// address := msg[3]
// identity := msg[4]
mechanism := msg[5]
if version != "1.0" {
return errors.New("version != 1.0")
}
if mechanism != "NULL" {
return errors.New("mechanism != NULL")
}
if domain == "TEST" {
handler.SendMessage(version, sequence, "200", "OK", "anonymous", "")
} else {
handler.SendMessage(version, sequence, "400", "BAD DOMAIN", "", "")
}
return nil
}
doQuit := func(i interface{}) error {
err := handler.Close()
handler = nil
if err != nil {
t.Error("handler.Close:", err)
}
return errors.New("Quit")
}
quit := make(chan interface{})
reactor := zmq.NewReactor()
reactor.AddSocket(handler, zmq.POLLIN, doHandler)
reactor.AddChannel(quit, 0, doQuit)
go func() {
reactor.Run(100 * time.Millisecond)
quit <- true
}()
defer func() {
quit <- true
<-quit
close(quit)
}()
// We bounce between a binding server and a connecting client
server, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
// We first test client/server with no ZAP domain
// Libzmq does not call our ZAP handler, the connect must succeed
err = server.Bind("tcp://127.0.0.1:9683")
if err != nil {
t.Fatal("server.Bind:", err)
}
err = client.Connect("tcp://127.0.0.1:9683")
if err != nil {
t.Fatal("client.Connect:", err)
}
msg, err := bounce(server, client)
if err != nil {
t.Error(msg, err)
}
server.Unbind("tcp://127.0.0.1:9683")
client.Disconnect("tcp://127.0.0.1:9683")
// Now define a ZAP domain for the server; this enables
// authentication. We're using the wrong domain so this test
// must fail.
err = server.SetZapDomain("WRONG")
if err != nil {
t.Fatal("server.SetZapDomain:", err)
}
err = server.Bind("tcp://127.0.0.1:9687")
if err != nil {
t.Fatal("server.Bind:", err)
}
err = client.Connect("tcp://127.0.0.1:9687")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
err = server.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("server.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
server.Unbind("tcp://127.0.0.1:9687")
client.Disconnect("tcp://127.0.0.1:9687")
// Now use the right domain, the test must pass
err = server.SetZapDomain("TEST")
if err != nil {
t.Fatal("server.SetZapDomain:", err)
}
err = server.Bind("tcp://127.0.0.1:9688")
if err != nil {
t.Fatal("server.Bind:", err)
}
err = client.Connect("tcp://127.0.0.1:9688")
if err != nil {
t.Fatal("client.Connect:", err)
}
msg, err = bounce(server, client)
if err != nil {
t.Error(msg, err)
}
server.Unbind("tcp://127.0.0.1:9688")
client.Disconnect("tcp://127.0.0.1:9688")
err = client.Close()
client = nil
if err != nil {
t.Error("client.Close:", err)
}
err = server.Close()
server = nil
if err != nil {
t.Error("server.Close:", err)
}
}
func TestSecurityCurve(t *testing.T) {
time.Sleep(100 * time.Millisecond)
var handler, server, client *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{handler} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
if _, minor, _ := zmq.Version(); minor >= 1 && !zmq.HasCurve() {
t.Skip("Curve not available")
}
// Generate new keypairs for this test
client_public, client_secret, err := zmq.NewCurveKeypair()
if err != nil {
t.Fatal("NewCurveKeypair:", err)
}
server_public, server_secret, err := zmq.NewCurveKeypair()
if err != nil {
t.Fatal("NewCurveKeypair:", err)
}
handler, err = zmq.NewSocket(zmq.REP)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = handler.Bind("inproc://zeromq.zap.01")
if err != nil {
t.Fatal("handler.Bind:", err)
}
doHandler := func(state zmq.State) error {
msg, err := handler.RecvMessage(0)
if err != nil {
return err // Terminating
}
version := msg[0]
sequence := msg[1]
// domain := msg[2]
// address := msg[3]
identity := msg[4]
mechanism := msg[5]
client_key := msg[6]
client_key_text := zmq.Z85encode(client_key)
if version != "1.0" {
return errors.New("version != 1.0")
}
if mechanism != "CURVE" {
return errors.New("mechanism != CURVE")
}
if identity != "IDENT" {
return errors.New("identity != IDENT")
}
if client_key_text == client_public {
handler.SendMessage(version, sequence, "200", "OK", "anonymous", "")
} else {
handler.SendMessage(version, sequence, "400", "Invalid client public key", "", "")
}
return nil
}
doQuit := func(i interface{}) error {
err := handler.Close()
handler = nil
if err != nil {
t.Error("handler.Close:", err)
}
return errors.New("Quit")
}
quit := make(chan interface{})
reactor := zmq.NewReactor()
reactor.AddSocket(handler, zmq.POLLIN, doHandler)
reactor.AddChannel(quit, 0, doQuit)
go func() {
reactor.Run(100 * time.Millisecond)
quit <- true
}()
defer func() {
quit <- true
<-quit
close(quit)
}()
// Server socket will accept connections
server, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = server.SetCurveServer(1)
if err != nil {
t.Fatal("server.SetCurveServer(1):", err)
}
err = server.SetCurveSecretkey(server_secret)
if err != nil {
t.Fatal("server.SetCurveSecretkey:", err)
}
err = server.SetIdentity("IDENT")
if err != nil {
t.Fatal("server.SetIdentity:", err)
}
server.Bind("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("server.Bind:", err)
}
err = server.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("server.SetRcvtimeo:", err)
}
// Check CURVE security with valid credentials
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetCurveServerkey(server_public)
if err != nil {
t.Fatal("client.SetCurveServerkey:", err)
}
err = client.SetCurvePublickey(client_public)
if err != nil {
t.Fatal("client.SetCurvePublickey:", err)
}
err = client.SetCurveSecretkey(client_secret)
if err != nil {
t.Fatal("client.SetCurveSecretkey:", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
msg, err := bounce(server, client)
if err != nil {
t.Error(msg, err)
}
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
time.Sleep(100 * time.Millisecond)
// Check CURVE security with a garbage server key
// This will be caught by the curve_server class, not passed to ZAP
garbage_key := "0000111122223333444455556666777788889999"
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetCurveServerkey(garbage_key)
if err != nil {
t.Fatal("client.SetCurveServerkey:", err)
}
err = client.SetCurvePublickey(client_public)
if err != nil {
t.Fatal("client.SetCurvePublickey:", err)
}
err = client.SetCurveSecretkey(client_secret)
if err != nil {
t.Fatal("client.SetCurveSecretkey:", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
client.SetLinger(0)
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
time.Sleep(100 * time.Millisecond)
// Check CURVE security with a garbage client secret key
// This will be caught by the curve_server class, not passed to ZAP
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetCurveServerkey(server_public)
if err != nil {
t.Fatal("client.SetCurveServerkey:", err)
}
err = client.SetCurvePublickey(garbage_key)
if err != nil {
t.Fatal("client.SetCurvePublickey:", err)
}
err = client.SetCurveSecretkey(client_secret)
if err != nil {
t.Fatal("client.SetCurveSecretkey:", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
client.SetLinger(0)
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
time.Sleep(100 * time.Millisecond)
// Check CURVE security with a garbage client secret key
// This will be caught by the curve_server class, not passed to ZAP
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetCurveServerkey(server_public)
if err != nil {
t.Fatal("client.SetCurveServerkey:", err)
}
err = client.SetCurvePublickey(client_public)
if err != nil {
t.Fatal("client.SetCurvePublickey:", err)
}
err = client.SetCurveSecretkey(garbage_key)
if err != nil {
t.Fatal("client.SetCurveSecretkey:", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
client.SetLinger(0)
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
time.Sleep(100 * time.Millisecond)
// Check CURVE security with bogus client credentials
// This must be caught by the ZAP handler
bogus_public, bogus_secret, _ := zmq.NewCurveKeypair()
client, err = zmq.NewSocket(zmq.DEALER)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = client.SetCurveServerkey(server_public)
if err != nil {
t.Fatal("client.SetCurveServerkey:", err)
}
err = client.SetCurvePublickey(bogus_public)
if err != nil {
t.Fatal("client.SetCurvePublickey:", err)
}
err = client.SetCurveSecretkey(bogus_secret)
if err != nil {
t.Fatal("client.SetCurveSecretkey:", err)
}
err = client.Connect("tcp://127.0.0.1:9998")
if err != nil {
t.Fatal("client.Connect:", err)
}
err = client.SetRcvtimeo(time.Second)
if err != nil {
t.Fatal("client.SetRcvtimeo:", err)
}
_, err = bounce(server, client)
if err == nil {
t.Error("Expected failure, got success")
}
client.SetLinger(0)
err = client.Close()
client = nil
if err != nil {
t.Fatal("client.Close:", err)
}
// Shutdown
err = server.Close()
server = nil
if err != nil {
t.Error("server.Close:", err)
}
}
func TestPoller(t *testing.T) {
var sb, sc *zmq.Socket
defer func() {
for _, s := range []*zmq.Socket{sb, sc} {
if s != nil {
s.SetLinger(0)
s.Close()
}
}
}()
sb, err := zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sb.Bind("tcp://127.0.0.1:9737")
if err != nil {
t.Fatal("sb.Bind:", err)
}
sc, err = zmq.NewSocket(zmq.PAIR)
if err != nil {
t.Fatal("NewSocket:", err)
}
err = sc.Connect("tcp://127.0.0.1:9737")
if err != nil {
t.Fatal("sc.Connect:", err)
}
poller := zmq.NewPoller()
idxb := poller.Add(sb, 0)
idxc := poller.Add(sc, 0)
if idxb != 0 || idxc != 1 {
t.Errorf("idxb=%d idxc=%d", idxb, idxc)
}
if pa, err := poller.PollAll(100 * time.Millisecond); err != nil {
t.Error("PollAll 1:", err)
} else if len(pa) != 2 {
t.Errorf("PollAll 1 len = %d", len(pa))
} else if pa[0].Events != 0 || pa[1].Events != 0 {
t.Errorf("PollAll 1 events = %v, %v", pa[0], pa[1])
}
poller.Update(idxb, zmq.POLLOUT)
poller.UpdateBySocket(sc, zmq.POLLIN)
if pa, err := poller.PollAll(100 * time.Millisecond); err != nil {
t.Error("PollAll 2:", err)
} else if len(pa) != 2 {
t.Errorf("PollAll 2 len = %d", len(pa))
} else if pa[0].Events != zmq.POLLOUT || pa[1].Events != 0 {
t.Errorf("PollAll 2 events = %v, %v", pa[0], pa[1])
}
poller.UpdateBySocket(sb, 0)
content := "12345678ABCDEFGH12345678ABCDEFGH"
// Send message from client to server
if rc, err := sb.Send(content, zmq.DONTWAIT); err != nil {
t.Error("sb.Send DONTWAIT:", err)
} else if rc != 32 {
t.Error("sb.Send DONTWAIT:", err32)
}
if pa, err := poller.PollAll(100 * time.Millisecond); err != nil {
t.Error("PollAll 3:", err)
} else if len(pa) != 2 {
t.Errorf("PollAll 3 len = %d", len(pa))
} else if pa[0].Events != 0 || pa[1].Events != zmq.POLLIN {
t.Errorf("PollAll 3 events = %v, %v", pa[0], pa[1])
}
// Receive message
if msg, err := sc.Recv(zmq.DONTWAIT); err != nil {
t.Error("sb.Recv DONTWAIT:", err)
} else if msg != content {
t.Error("sb.Recv msg != content")
}
poller.UpdateBySocket(sb, zmq.POLLOUT)
poller.Update(idxc, zmq.POLLIN)
if pa, err := poller.PollAll(100 * time.Millisecond); err != nil {
t.Error("PollAll 4:", err)
} else if len(pa) != 2 {
t.Errorf("PollAll 4 len = %d", len(pa))
} else if pa[0].Events != zmq.POLLOUT || pa[1].Events != 0 {
t.Errorf("PollAll 4 events = %v, %v", pa[0], pa[1])
}
err = sc.Close()
sc = nil
if err != nil {
t.Error("sc.Close:", err)
}
err = sb.Close()
sb = nil
if err != nil {
t.Error("sb.Close:", err)
}
}
func (w *Worker) run(socket *zmq.Socket) {
defer close(w.wait)
defer socket.Close()
socket.SetRcvtimeo(w.passiveTimeout)
socket.Bind(w.address)
atomic.StoreInt32(&w.runningWorkers, 0)
responseChannel := make(chan *messageContext)
sendResponse := func(response [][]byte) {
atomic.AddInt32(&w.runningWorkers, -1)
if _, err := socket.SendMessage(response); err != nil {
log.Println("Failed to send response:", err)
}
if atomic.LoadInt32(&w.runningWorkers) == 0 {
socket.SetRcvtimeo(w.passiveTimeout)
}
}
for {
if atomic.LoadInt32(&w.runningWorkers) == w.maxWorkers {
// We're already running maxWorkers so block until a response is ready
select {
case response := <-responseChannel:
w.logFinish(response)
sendResponse(response.data)
case <-w.quit:
return
}
}
select {
case <-w.quit:
return
case response := <-responseChannel:
w.logFinish(response)
sendResponse(response.data)
break
default:
message, err := socket.RecvMessageBytes(0)
if err != nil {
// Needed to yield to goroutines when GOMAXPROCS is 1.
// Note: The 1.3 preemptive scheduler doesn't seem to work here,
// so this is still required.
runtime.Gosched()
break
}
request, err := w.unmarshal(message[len(message)-1])
if err != nil {
log.Println("Received invalid message", err)
break
}
workerFunction := w.registeredWorkerFunctions[request.Method]
if workerFunction == nil {
log.Println("Unregistered worker function:", request.Method)
break
}
context := messageContext{data: message, startTime: time.Now(), method: request.Method}
if atomic.LoadInt32(&w.runningWorkers) == 0 {
socket.SetRcvtimeo(w.activeTimeout)
}
atomic.AddInt32(&w.runningWorkers, 1)
go w.runFunction(responseChannel, &context, request.Parameters, workerFunction)
}
}
}
func Example_test_hwm() {
MAX_SENDS := 10000
BIND_FIRST := 1
CONNECT_FIRST := 2
test_defaults := func() int {
// Set up bind socket
bind_socket, err := zmq.NewSocket(zmq.PULL)
if checkErr(err) {
return 0
}
defer func() {
err := bind_socket.Close()
checkErr(err)
}()
err = bind_socket.Bind("inproc://a")
if checkErr(err) {
return 0
}
// Set up connect socket
connect_socket, err := zmq.NewSocket(zmq.PUSH)
if checkErr(err) {
return 0
}
defer func() {
err := connect_socket.Close()
checkErr(err)
}()
err = connect_socket.Connect("inproc://a")
if checkErr(err) {
return 0
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
fmt.Println("send_count == recv_count:", send_count == recv_count)
return send_count
}
count_msg := func(send_hwm, recv_hwm, testType int) int {
var bind_socket, connect_socket *zmq.Socket
var err error
if testType == BIND_FIRST {
// Set up bind socket
bind_socket, err = zmq.NewSocket(zmq.PULL)
if checkErr(err) {
return 0
}
defer func() {
err := bind_socket.Close()
checkErr(err)
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if checkErr(err) {
return 0
}
err = bind_socket.Bind("inproc://a")
if checkErr(err) {
return 0
}
// Set up connect socket
connect_socket, err = zmq.NewSocket(zmq.PUSH)
if checkErr(err) {
return 0
}
defer func() {
err := connect_socket.Close()
checkErr(err)
}()
err = connect_socket.SetSndhwm(send_hwm)
if checkErr(err) {
return 0
}
err = connect_socket.Connect("inproc://a")
if checkErr(err) {
return 0
}
} else {
// Set up connect socket
connect_socket, err = zmq.NewSocket(zmq.PUSH)
if checkErr(err) {
return 0
}
defer func() {
err := connect_socket.Close()
checkErr(err)
}()
err = connect_socket.SetSndhwm(send_hwm)
if checkErr(err) {
return 0
}
err = connect_socket.Connect("inproc://a")
if checkErr(err) {
return 0
}
// Set up bind socket
bind_socket, err = zmq.NewSocket(zmq.PULL)
if checkErr(err) {
return 0
}
defer func() {
err := bind_socket.Close()
checkErr(err)
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if checkErr(err) {
return 0
}
err = bind_socket.Bind("inproc://a")
if checkErr(err) {
return 0
}
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
fmt.Println("send_count == recv_count:", send_count == recv_count)
// Now it should be possible to send one more.
_, err = connect_socket.Send("", 0)
if checkErr(err) {
return 0
}
// Consume the remaining message.
_, err = bind_socket.Recv(0)
checkErr(err)
return send_count
}
test_inproc_bind_first := func(send_hwm, recv_hwm int) int {
return count_msg(send_hwm, recv_hwm, BIND_FIRST)
}
test_inproc_connect_first := func(send_hwm, recv_hwm int) int {
return count_msg(send_hwm, recv_hwm, CONNECT_FIRST)
}
test_inproc_connect_and_close_first := func(send_hwm, recv_hwm int) int {
// Set up connect socket
connect_socket, err := zmq.NewSocket(zmq.PUSH)
if checkErr(err) {
return 0
}
err = connect_socket.SetSndhwm(send_hwm)
if checkErr(err) {
connect_socket.Close()
return 0
}
err = connect_socket.Connect("inproc://a")
if checkErr(err) {
connect_socket.Close()
return 0
}
// Send until we block
send_count := 0
for send_count < MAX_SENDS {
_, err := connect_socket.Send("", zmq.DONTWAIT)
if err != nil {
break
}
send_count++
}
// Close connect
err = connect_socket.Close()
if checkErr(err) {
return 0
}
// Set up bind socket
bind_socket, err := zmq.NewSocket(zmq.PULL)
if checkErr(err) {
return 0
}
defer func() {
err := bind_socket.Close()
checkErr(err)
}()
err = bind_socket.SetRcvhwm(recv_hwm)
if checkErr(err) {
return 0
}
err = bind_socket.Bind("inproc://a")
if checkErr(err) {
return 0
}
// Now receive all sent messages
recv_count := 0
for {
_, err := bind_socket.Recv(zmq.DONTWAIT)
if err != nil {
break
}
recv_count++
}
fmt.Println("send_count == recv_count:", send_count == recv_count)
return send_count
}
// Default values are 1000 on send and 1000 one receive, so 2000 total
fmt.Println("Default values")
count := test_defaults()
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
// Infinite send and receive buffer
fmt.Println("\nInfinite send and receive")
count = test_inproc_bind_first(0, 0)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
count = test_inproc_connect_first(0, 0)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
// Infinite send buffer
fmt.Println("\nInfinite send buffer")
count = test_inproc_bind_first(1, 0)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
count = test_inproc_connect_first(1, 0)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
// Infinite receive buffer
fmt.Println("\nInfinite receive buffer")
count = test_inproc_bind_first(0, 1)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
count = test_inproc_connect_first(0, 1)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
// Send and recv buffers hwm 1, so total that can be queued is 2
fmt.Println("\nSend and recv buffers hwm 1")
count = test_inproc_bind_first(1, 1)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
count = test_inproc_connect_first(1, 1)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
// Send hwm of 1, send before bind so total that can be queued is 1
fmt.Println("\nSend hwm of 1, send before bind")
count = test_inproc_connect_and_close_first(1, 0)
fmt.Println("count:", count)
time.Sleep(100 * time.Millisecond)
fmt.Println("\nDone")
// Output:
// Default values
// send_count == recv_count: true
// count: 2000
//
// Infinite send and receive
// send_count == recv_count: true
// count: 10000
// send_count == recv_count: true
// count: 10000
//
// Infinite send buffer
// send_count == recv_count: true
// count: 10000
// send_count == recv_count: true
// count: 10000
//
// Infinite receive buffer
// send_count == recv_count: true
// count: 10000
// send_count == recv_count: true
// count: 10000
//
// Send and recv buffers hwm 1
// send_count == recv_count: true
// count: 2
// send_count == recv_count: true
// count: 2
//
// Send hwm of 1, send before bind
// send_count == recv_count: true
// count: 1
//
// Done
}