func main() {
context := zmq.Context()
defer context.Close()
// Connect our subscriber socket
subscriber := context.Socket(zmq.SUB)
defer subscriber.Close()
subscriber.SetSockOptString(zmq.IDENTITY, "Hello")
subscriber.SetSockOptString(zmq.SUBSCRIBE, "")
subscriber.Connect("tcp://localhost:5565")
// Synchronize with publisher
sync := context.Socket(zmq.PUSH)
defer sync.Close()
sync.Connect("tcp://localhost:5564")
sync.Send([]byte{}, 0)
// Get updates, expect random Ctrl-C death
for {
data, _ := subscriber.Recv(0)
str := string(data)
println(str)
if str == "END" {
break
}
}
}
func main() {
context := zmq.Context()
defer context.Close()
// Subscriber tells us when it's ready here
sync := context.Socket(zmq.PULL)
defer sync.Close()
sync.Bind("tcp://*:5564")
// We send updates via this socket
publisher := context.Socket(zmq.PUB)
defer publisher.Close()
publisher.Bind("tcp://*:5565")
// Wait for synchronization request
sync.Recv(0)
for update_nbr := 0; update_nbr < 10; update_nbr++ {
str := fmt.Sprintf("Update %d", update_nbr)
publisher.Send([]byte(str), 0)
time.Sleep(1e9)
}
publisher.Send([]byte("END"), 0)
time.Sleep(1)
}