1 // (c) Bernhard Tittelbach, 2013
6 zmq "github.com/vaughan0/go-zmq"
10 // ---------- ZeroMQ Code -------------
12 func ZmqsInit(cmd_port, sub_port string) (cmd_chans, sub_chans *zmq.Channels) {
14 ctx, err := zmq.NewContext()
18 //close only on panic, otherwise leave open:
19 defer func(){ if r:= recover(); r != nil { ctx.Close(); panic(r) } }()
21 cmd_sock, err := ctx.Socket(zmq.Req)
25 defer func() { if r:= recover(); r != nil { cmd_sock.Close(); panic(r) } }()
27 cmd_sock.SetRecvTimeout(2 * time.Second)
28 cmd_sock.SetSendTimeout(2 * time.Second)
30 sub_sock, err := ctx.Socket(zmq.Sub)
34 defer func() { if r:= recover(); r != nil { sub_sock.Close(); panic(r) } }()
36 if err = cmd_sock.Connect(cmd_port); err != nil {
40 if err = sub_sock.Connect(sub_port); err != nil {
44 cmd_chans = cmd_sock.ChannelsBuffer(10)
45 sub_chans = cmd_sock.ChannelsBuffer(10)
47 go zmqsHandleError(cmd_chans, sub_chans)
51 func zmqsHandleError(cmd_chans, sub_chans *zmq.Channels) {
54 case cmd_error := <- cmd_chans.Errors():
58 case sub_error := <- sub_chans.Errors():