go/r3-eventbroker_zmq/main.go

   1 // (c) Bernhard Tittelbach, 2013
   2
   3 package main
   4
   5 import (
   6     "fmt"
   7     "os"
   8     "flag"
   9     //~ "time"
  10     "log/syslog"
  11     "log"
  12     pubsub "github.com/tuxychandru/pubsub"
  13 )
  14
  15 //~ func StringArrayToByteArray(ss []string) [][]byte {
  16     //~ bb := make([][]byte, len(ss))
  17     //~ for index, s := range(ss) {
  18         //~ bb[index] = []byte(s)
  19     //~ }
  20     //~ return bb
  21 //~ }
  22
  23 // ---------- Main Code -------------
  24
  25 var (
  26     doorsub_addr_ string
  27     sensorssub_port_ string
  28     pub_port_ string
  29     keylookup_addr_ string
  30     use_syslog_ bool
  31     Syslog_ *log.Logger
  32 )
  33
  34 func usage() {
  35     fmt.Fprintf(os.Stderr, "Usage: zmq_broker_event_transformer [options]\n")
  36     flag.PrintDefaults()
  37 }
  38
  39 func init() {
  40     flag.StringVar(&doorsub_addr_, "doorsubaddr", "tcp://torwaechter.realraum.at:4242", "zmq door event publish addr")
  41     flag.StringVar(&sensorssub_port_, "sensorsubport", "tcp://*:4243", "zmq public/listen socket addr for incoming sensor data")
  42     flag.StringVar(&pub_port_, "pubport", "tcp://*:4244", "zmq port publishing consodilated events")
  43     flag.StringVar(&keylookup_addr_, "keylookupaddr", "ipc:///run/tuer/door_keyname.ipc", "address to use for key/name lookups")
  44     flag.BoolVar(&use_syslog_, "syslog", false, "log to syslog local2 facility")
  45     flag.Usage = usage
  46     flag.Parse()
  47 }
  48
  49 func main() {
  50     zmqctx, sub_in_chans, pub_out_socket, keylookup_socket := ZmqsInit(doorsub_addr_, sensorssub_port_, pub_port_, keylookup_addr_)
  51     defer zmqctx.Close()
  52     defer sub_in_chans.Close()
  53     defer pub_out_socket.Close()
  54     defer keylookup_socket.Close()
  55
  56     if use_syslog_ {
  57         var logerr error
  58         Syslog_, logerr = syslog.NewLogger(syslog.LOG_INFO | (18<<3), 0)
  59         //~ Syslog_, logerr = syslog.NewLogger(syslog.LOG_INFO | syslog.LOG_LOCAL2, 0)
  60         if logerr != nil { panic(logerr) }
  61         Syslog_.Print("started")
  62         defer Syslog_.Print("exiting")
  63     }
  64
  65     ps := pubsub.New(3)
  66     //~ ticker := time.NewTicker(time.Duration(5) * time.Minute)
  67     publish_these_events_chan := ps.Sub("door", "doorcmd", "presence", "sensors", "buttons", "movement")
  68
  69     go MetaEventRoutine_Movement(ps, 10, 20, 10)
  70     go MetaEventRoutine_Presence(ps)
  71
  72     for {
  73         log.Print("for loop")
  74         select {
  75             case subin := <- sub_in_chans.In():
  76                 ParseSocketInputLine(subin, ps, keylookup_socket)
  77             //~ case <- ticker.C:
  78                 //~ MakeTimeTick(ps)
  79             case event_interface := <- publish_these_events_chan:
  80                 data, err := FormatEventForSocket(event_interface)
  81                 log.Print("publishing", data)
  82                 if err != nil {
  83                     Syslog_.Print(err)
  84                     continue
  85                 }
  86                 if err := pub_out_socket.Send(data); err != nil {
  87                     panic(err)
  88                 }
  89         }
  90     }
  91
  92     //~ nick, err := keylookup_socket.LookupCardIdNick(keyhexid)
  93
  94 }