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/r3-eventbroker_zmq/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 )
  30
  31 //-------
  32
  33 func init() {
  34     flag.StringVar(&xmpp_login_.jid, "xjid", "realrauminfo@realraum.at/Tuer", "XMPP Bot Login JID")
  35     flag.StringVar(&xmpp_login_.pass, "xpass", "", "XMPP Bot Login Password")
  36     flag.StringVar(&xmpp_bot_authstring_, "xbotauth", "", "String that user use to authenticate themselves to the bot")
  37     flag.StringVar(&xmpp_state_save_dir_,"xstatedir","/flash/var/lib/r3netstatus/",  "Directory to save XMPP bot state in")
  38     flag.StringVar(&r3eventssub_port_, "eventsubport", "tcp://wuzzler.realraum.at:4244", "zmq address to subscribe r3events")
  39     flag.Parse()
  40 }
  41
  42 //-------
  43
  44 func IfThenElseStr(c bool, strue, sfalse string) string {
  45     if c {return strue} else {return sfalse}
  46 }
  47
  48 func composeMessage(present, locked, shut bool, who string, ts int64) string {
  49     return fmt.Sprintf("%s (Door is %s and %s and was last used%s at %s)",
  50         IfThenElseStr(present,  "Somebody is present!" , "Everybody left."),
  51         IfThenElseStr(locked, "locked","unlocked"),
  52         IfThenElseStr(shut, "shut","ajar"),
  53         IfThenElseStr(len(who) == 0,"", " by " + who),
  54         time.Unix(ts,0).String())
  55 }
  56
  57 func EventToXMPP(ps *pubsub.PubSub, xmpp_presence_events_chan_ chan <- interface{}) {
  58     events := ps.Sub("presence","door","buttons","updateinterval")
  59
  60     defer func() {
  61         if x := recover(); x != nil {
  62             fmt.Printf("handleIncomingXMPPStanzas: run time panic: %v", x)
  63             ps.Unsub(events, "presence","door","buttons","updateinterval")
  64             close(xmpp_presence_events_chan_)
  65         }
  66     }()
  67
  68     var present, locked, shut bool = false, true, true
  69     var last_buttonpress int64 = 0
  70     var who string
  71     button_msg := "The button has been pressed ! Propably someone is bored and in need of company ! ;-)"
  72     present_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowOnline,"Somebody is present"}
  73     notpresent_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe,"Nobody is here"}
  74     button_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowFreeForChat, "The button has been pressed :-)"}
  75
  76     xmpp_presence_events_chan_ <- r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe, "Nobody is here"}
  77
  78     for eventinterface := range(events) {
  79         fmt.Println("event2xmpp", eventinterface)
  80         switch event := eventinterface.(type) {
  81             case r3events.PresenceUpdate:
  82                 present = event.Present
  83                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3OnlineOnlyInfo, RememberAsStatus: true}
  84                 if present {
  85                     xmpp_presence_events_chan_ <- present_status
  86                 } else {
  87                     xmpp_presence_events_chan_ <- notpresent_status
  88                 }
  89             case r3events.DoorCommandEvent:
  90                 if len(event.Who) > 0 && len(event.Using) > 0 {
  91                     who = fmt.Sprintf("%s (%s)",event.Who, event.Using)
  92                 } else {
  93                     who = event.Who
  94                 }
  95                 xmpp_presence_events_chan_ <- fmt.Sprintln("DoorCommand:",event.Command, "using", event.Using, "by", event.Who, time.Unix(event.Ts,0))
  96             case r3events.DoorLockUpdate:
  97                 locked = event.Locked
  98                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: true}
  99            case r3events.DoorAjarUpdate:
 100                 shut = event.Shut
 101                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: true}
 102             case r3events.ButtonPressUpdate:
 103                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: button_msg, DistributeLevel: r3xmppbot.R3OnlineOnlyInfo}
 104                 xmpp_presence_events_chan_ <- button_status
 105                 last_buttonpress = event.Ts
 106             case r3events.TimeTick:
 107                 if present && last_buttonpress > 0 && time.Now().Unix() - last_buttonpress > button_press_timeout_ {
 108                     xmpp_presence_events_chan_ <- present_status
 109                     last_buttonpress = 0
 110                 }
 111         }
 112         }
 113 }
 114
 115 func main() {
 116     zmqctx, zmqsub := ZmqsInit(r3eventssub_port_)
 117     defer zmqctx.Close()
 118     if zmqsub != nil {defer zmqsub.Close()}
 119     if zmqsub == nil {
 120         panic("zmq sockets must not be nil !!")
 121     }
 122
 123     var xmpperr error
 124     var bot *r3xmppbot.XmppBot
 125     bot, xmpp_presence_events_chan_, xmpperr = r3xmppbot.NewStartedBot(xmpp_login_.jid, xmpp_login_.pass, xmpp_bot_authstring_, xmpp_state_save_dir_, true)
 126     ps := pubsub.New(1)
 127     defer ps.Shutdown()
 128     //~ brn := brain.New()
 129     //~ defer brn.Shutdown()
 130
 131     go EventToWeb(ps)
 132     if xmpperr == nil {
 133         defer bot.StopBot()
 134         go EventToXMPP(ps, xmpp_presence_events_chan_)
 135     } else {
 136         fmt.Println(xmpperr)
 137         fmt.Println("XMPP Bot disabled")
 138     }
 139
 140     ticker := time.NewTicker(time.Duration(7) * time.Minute)
 141
 142     for {
 143     select {
 144         case e := <-zmqsub.In():
 145             ParseZMQr3Event(e, ps) //, brn)
 146         case <-ticker.C:
 147             ps.Pub(r3events.TimeTick{time.Now().Unix()}, "updateinterval")
 148         }
 149     }
 150 }