1 // (c) Bernhard Tittelbach, 2013
6 zmq "github.com/vaughan0/go-zmq"
10 // ---------- ZeroMQ Code -------------
12 func ZmqsInit(cmd_port, pub_port string) (ctx *zmq.Context, cmd_chans, pub_chans *zmq.Channels) {
15 ctx, err = zmq.NewContext()
19 //close only on panic, otherwise leave open:
20 defer func(){ if r:= recover(); r != nil { ctx.Close(); panic(r) } }()
22 cmd_sock, err := ctx.Socket(zmq.Rep)
26 defer func() { if r:= recover(); r != nil { cmd_sock.Close(); panic(r) } }()
28 cmd_sock.SetRecvTimeout(2 * time.Second)
29 cmd_sock.SetSendTimeout(2 * time.Second)
31 pub_sock, err := ctx.Socket(zmq.Pub)
35 defer func() { if r:= recover(); r != nil { pub_sock.Close(); panic(r) } }()
37 if err = cmd_sock.Bind(cmd_port); err != nil { // "tcp://*:5555"
41 if err = pub_sock.Bind(pub_port); err != nil { // "tcp://*:5556"
45 cmd_chans = cmd_sock.ChannelsBuffer(10)
46 pub_chans = cmd_sock.ChannelsBuffer(10)
47 go zmqsHandleError(cmd_chans, pub_chans)
51 func zmqsHandleError(cmd_chans, pub_chans *zmq.Channels) {
54 case cmd_error := <- cmd_chans.Errors():
58 case pub_error := <- pub_chans.Errors():