go/r3-netstatus/main.go

   1 // (c) Bernhard Tittelbach, 2013
   2
   3 package main
   4
   5 import (
   6     "./r3xmppbot"
   7     pubsub "github.com/tuxychandru/pubsub"
   8     "flag"
   9     "time"
  10     "fmt"
  11     //~ "./brain"
  12     r3events "svn.spreadspace.org/realraum/go.svn/r3events"
  13 )
  14
  15 type SpaceState struct {
  16     present           bool
  17     buttonpress_until int64
  18     door_locked bool
  19     door_shut bool
  20 }
  21
  22 var (
  23     xmpp_presence_events_chan_     chan interface{}
  24     xmpp_login_ struct {jid string; pass string}
  25     xmpp_bot_authstring_ string
  26     xmpp_state_save_dir_ string
  27     r3eventssub_port_ string
  28     button_press_timeout_ int64 = 3600
  29     brain_connect_addr_ string
  30     enable_syslog_, enable_debug_ bool
  31 )
  32
  33 //-------
  34
  35 func init() {
  36     flag.StringVar(&xmpp_login_.jid, "xjid", "realrauminfo@realraum.at/Tuer", "XMPP Bot Login JID")
  37     flag.StringVar(&xmpp_login_.pass, "xpass", "", "XMPP Bot Login Password")
  38     flag.StringVar(&xmpp_bot_authstring_, "xbotauth", "", "String that user use to authenticate themselves to the bot")
  39     flag.StringVar(&xmpp_state_save_dir_,"xstatedir","/flash/var/lib/r3netstatus/",  "Directory to save XMPP bot state in")
  40     flag.StringVar(&r3eventssub_port_, "eventsubport", "tcp://wuzzler.realraum.at:4244", "zmq address to subscribe r3events")
  41     flag.StringVar(&brain_connect_addr_, "brainconnect", "tcp://wuzzler.realraum.at:4245", "address to ask about most recent stored events")
  42     flag.BoolVar(&enable_syslog_, "syslog", false, "enable logging to syslog")
  43     flag.BoolVar(&enable_debug_, "debug", false, "enable debug output")
  44     flag.Parse()
  45 }
  46
  47 //-------
  48
  49 func IfThenElseStr(c bool, strue, sfalse string) string {
  50     if c {return strue} else {return sfalse}
  51 }
  52
  53 func composeMessage(present, locked, shut bool, who string, ts int64) string {
  54     return fmt.Sprintf("%s (Door is %s and %s and was last used%s at %s)",
  55         IfThenElseStr(present,  "Somebody is present!" , "Everybody left."),
  56         IfThenElseStr(locked, "locked","unlocked"),
  57         IfThenElseStr(shut, "shut","ajar"),
  58         IfThenElseStr(len(who) == 0,"", " by " + who),
  59         time.Unix(ts,0).String())
  60 }
  61
  62 func EventToXMPP(ps *pubsub.PubSub, xmpp_presence_events_chan_ chan <- interface{}) {
  63     events := ps.Sub("presence","door","buttons","updateinterval")
  64
  65     defer func() {
  66         if x := recover(); x != nil {
  67             Syslog_.Printf("handleIncomingXMPPStanzas: run time panic: %v", x)
  68             ps.Unsub(events, "presence","door","buttons","updateinterval")
  69             close(xmpp_presence_events_chan_)
  70         }
  71     }()
  72
  73     var present, locked, shut bool = false, true, true
  74     var last_buttonpress int64 = 0
  75     var who string
  76     button_msg := "Dooom ! The button has been pressed ! Propably someone is bored and in need of company ! ;-)"
  77     present_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowOnline,"Somebody is present"}
  78     notpresent_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe,"Nobody is here"}
  79     button_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowFreeForChat, "The button has been pressed :-)"}
  80
  81     xmpp_presence_events_chan_ <- r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe, "Nobody is here"}
  82
  83     for eventinterface := range(events) {
  84         Debug_.Printf("event2xmpp: %T %+v", eventinterface, eventinterface)
  85         switch event := eventinterface.(type) {
  86             case r3events.PresenceUpdate:
  87                 present = event.Present
  88                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3OnlineOnlyInfo, RememberAsStatus: true}
  89                 if present {
  90                     xmpp_presence_events_chan_ <- present_status
  91                 } else {
  92                     xmpp_presence_events_chan_ <- notpresent_status
  93                 }
  94             case r3events.DoorCommandEvent:
  95                 if len(event.Who) > 0 && len(event.Using) > 0 {
  96                     who = fmt.Sprintf("%s (%s)",event.Who, event.Using)
  97                 } else {
  98                     who = event.Who
  99                 }
 100                 xmpp_presence_events_chan_ <- fmt.Sprintln("DoorCommand:",event.Command, "using", event.Using, "by", event.Who, time.Unix(event.Ts,0))
 101             case r3events.DoorLockUpdate:
 102                 locked = event.Locked
 103                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: true}
 104            case r3events.DoorAjarUpdate:
 105                 shut = event.Shut
 106                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: true}
 107             case r3events.BoreDoomButtonPressEvent:
 108                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: button_msg, DistributeLevel: r3xmppbot.R3OnlineOnlyInfo}
 109                 xmpp_presence_events_chan_ <- button_status
 110                 last_buttonpress = event.Ts
 111             case r3events.TimeTick:
 112                 if present && last_buttonpress > 0 && time.Now().Unix() - last_buttonpress > button_press_timeout_ {
 113                     xmpp_presence_events_chan_ <- present_status
 114                     last_buttonpress = 0
 115                 }
 116         }
 117         }
 118 }
 119
 120 func ParseZMQr3Event(lines [][]byte, ps *pubsub.PubSub) {
 121     evnt, pubsubcat, err := r3events.UnmarshalByteByte2Event(lines)
 122     Debug_.Printf("ParseZMQr3Event: %s %s %s", evnt, pubsubcat, err)
 123     if err != nil { return }
 124     ps.Pub(evnt, pubsubcat)
 125 }
 126
 127 func main() {
 128     if enable_syslog_ { LogEnableSyslog(); r3xmppbot.LogEnableSyslog() }
 129     if enable_debug_ { LogEnableDebuglog(); r3xmppbot.LogEnableDebuglog() }
 130     Syslog_.Print("started")
 131     defer Syslog_.Print("exiting")
 132     zmqctx, zmqsub := ZmqsInit(r3eventssub_port_)
 133     defer zmqctx.Close()
 134     if zmqsub != nil {defer zmqsub.Close()}
 135     if zmqsub == nil {
 136         panic("zmq sockets must not be nil !!")
 137     }
 138
 139     var xmpperr error
 140     var bot *r3xmppbot.XmppBot
 141     bot, xmpp_presence_events_chan_, xmpperr = r3xmppbot.NewStartedBot(xmpp_login_.jid, xmpp_login_.pass, xmpp_bot_authstring_, xmpp_state_save_dir_, true)
 142
 143     ps := pubsub.New(1)
 144     defer ps.Shutdown()
 145     //~ brn := brain.New()
 146     //~ defer brn.Shutdown()
 147
 148     go EventToWeb(ps)
 149     if xmpperr == nil {
 150         defer bot.StopBot()
 151         go EventToXMPP(ps, xmpp_presence_events_chan_)
 152     } else {
 153         fmt.Println(xmpperr)
 154         fmt.Println("XMPP Bot disabled")
 155         Syslog_.Printf("XMPP Bot disabled due to error: %s", xmpperr.Error())
 156     }
 157
 158     // --- get update on most recent events ---
 159     answ := ZmqsAskQuestionsAndClose(zmqctx, brain_connect_addr_, [][][]byte{[][]byte{[]byte("DoorLockUpdate")}, [][]byte{[]byte("DoorAjarUpdate")}, [][]byte{[]byte("DoorCommandEvent")}, [][]byte{[]byte("PresenceUpdate")}, [][]byte{[]byte("IlluminationSensorUpdate")}, [][]byte{[]byte("TempSensorUpdate")}})
 160     for _, a := range(answ) {
 161         ParseZMQr3Event(a, ps)
 162     }
 163
 164     // --- receive and distribute events ---
 165     ticker := time.NewTicker(time.Duration(7) * time.Minute)
 166     for {
 167     select {
 168         case e := <-zmqsub.In():
 169             ParseZMQr3Event(e, ps) //, brn)
 170         case <-ticker.C:
 171             ps.Pub(r3events.TimeTick{time.Now().Unix()}, "updateinterval")
 172         }
 173     }
 174 }