// PrepareSockets sets up the ZMQ sockets through which the kernel will communicate.
func PrepareSockets(conn_info ConnectionInfo) (sg SocketGroup) {
context, _ := zmq.NewContext()
sg.Shell_socket, _ = context.NewSocket(zmq.ROUTER)
sg.Control_socket, _ = context.NewSocket(zmq.ROUTER)
sg.Stdin_socket, _ = context.NewSocket(zmq.ROUTER)
sg.IOPub_socket, _ = context.NewSocket(zmq.PUB)
address := fmt.Sprintf("%v://%v:%%v", conn_info.Transport, conn_info.IP)
sg.Shell_socket.Bind(fmt.Sprintf(address, conn_info.Shell_port))
sg.Control_socket.Bind(fmt.Sprintf(address, conn_info.Control_port))
sg.Stdin_socket.Bind(fmt.Sprintf(address, conn_info.Stdin_port))
sg.IOPub_socket.Bind(fmt.Sprintf(address, conn_info.IOPub_port))
// Message signing key
sg.Key = []byte(conn_info.Key)
// Start the heartbeat device
HB_socket, _ := context.NewSocket(zmq.REP)
HB_socket.Bind(fmt.Sprintf(address, conn_info.HB_port))
go zmq.Device(zmq.FORWARDER, HB_socket, HB_socket)
return
}
func main() {
context, _ := zmq.NewContext()
socket, _ := context.NewSocket(zmq.REP)
socket.Bind("tcp://127.0.0.1:5000")
socket.Bind("tcp://127.0.0.1:6000")
for {
msg, _ := socket.Recv(0)
println("Got", string(msg))
socket.Send(msg, 0)
}
}
func main() {
context, _ := zmq.NewContext()
socket, _ := context.NewSocket(zmq.REQ)
socket.Connect("tcp://127.0.0.1:5000")
socket.Connect("tcp://127.0.0.1:6000")
for i := 0; i < 10; i++ {
msg := fmt.Sprintf("msg %d", i)
socket.Send([]byte(msg), 0)
println("Sending", msg)
socket.Recv(0)
}
}