1 // (c) Bernhard Tittelbach, 2013
14 //~ func StringArrayToByteArray(ss []string) [][]byte {
15 //~ bb := make([][]byte, len(ss))
16 //~ for index, s := range(ss) {
17 //~ bb[index] = []byte(s)
22 // ---------- Main Code -------------
33 fmt.Fprintf(os.Stderr, "Usage: door_daemon_0mq <door tty device>\n")
38 flag.StringVar(&cmd_port_, "cmdport", "ipc:///run/tuer/door_cmd.ipc", "zmq command socket path")
39 flag.StringVar(&pub_port_, "pubport", "tcp://*:4242", "zmq public/listen socket path")
40 flag.StringVar(&door_tty_path_, "device", "/dev/door", "door tty device path")
41 flag.BoolVar(&use_syslog_, "syslog", false, "log to syslog local1 facility")
47 zmqctx, cmd_chans, pub_chans := ZmqsInit(cmd_port_, pub_port_)
48 defer cmd_chans.Close()
49 defer pub_chans.Close()
52 serial_wr, serial_rd, err := OpenAndHandleSerial(door_tty_path_)
53 defer close(serial_wr)
60 Syslog_, logerr = syslog.NewLogger(syslog.LOG_INFO | syslog.LOG_LOCAL1, 0)
61 if logerr != nil { panic(logerr) }
62 Syslog_.Print("started")
63 defer Syslog_.Print("exiting")
67 //~ firmware_version := <- serial_rd
68 //~ log.Print("Firmware version:", firmware_version)
69 var next_incoming_serial_is_client_reply bool
70 timeout_chan := make(chan bool)
71 defer close(timeout_chan)
74 case incoming_ser_line, is_notclosed := <- serial_rd:
76 //~ if Syslog_ != nil { Syslog_.Print(ByteArrayToString(incoming_ser_line)) }
77 if Syslog_ != nil { Syslog_.Printf("%s",incoming_ser_line) }
78 if next_incoming_serial_is_client_reply {
79 next_incoming_serial_is_client_reply = false
80 cmd_chans.Out() <- incoming_ser_line
82 pub_chans.Out() <- incoming_ser_line
84 Syslog_.Print("serial device disappeared, exiting")
87 case tv, timeout_notclosed := <- timeout_chan:
88 if timeout_notclosed && tv && next_incoming_serial_is_client_reply {
89 next_incoming_serial_is_client_reply = false
90 cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte("No reply from firmware")}
92 case incoming_request, ic_notclosed := <- cmd_chans.In():
94 Syslog_.Print("zmq socket died, exiting")
97 if string(incoming_request[0]) == "log" {
98 if len(incoming_request) < 2 {
99 cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte("argument missing")}
103 cmd_chans.Out() <- [][]byte{[]byte("ERROR"), []byte("syslog logging not enabled")}
106 Syslog_.Printf("Log: %s",incoming_request[1:])
107 cmd_chans.Out() <- [][]byte{[]byte("Ok")}
110 if Syslog_ != nil { Syslog_.Printf("%s",incoming_request) }
111 if err := HandleCommand(incoming_request, serial_wr, serial_rd); err != nil {
112 out_msg := [][]byte{[]byte("ERROR"), []byte(err.Error())}
113 cmd_chans.Out() <- out_msg
115 pub_chans.Out() <- incoming_request
116 next_incoming_serial_is_client_reply = true
117 go func(){time.Sleep(3*time.Second); timeout_chan <- true;}()