r3-netstatus/main.go

   1 package main
   2
   3 import (
   4     "./r3xmppbot"
   5     pubsub "github.com/tuxychandru/pubsub"
   6     "flag"
   7     "time"
   8     "fmt"
   9     //~ "./brain"
  10 )
  11
  12 type SpaceState struct {
  13     present           bool
  14     buttonpress_until int64
  15     door_locked bool
  16     door_shut bool
  17 }
  18
  19 var (
  20     presence_socket_path_ string
  21     xmpp_presence_events_chan_     chan interface{}
  22     xmpp_login_ struct {jid string; pass string}
  23     xmpp_bot_authstring_ string
  24     xmpp_state_save_dir_ string
  25     button_press_timeout_ int64 = 3600
  26 )
  27
  28 //-------
  29
  30 func init() {
  31     flag.StringVar(&xmpp_login_.jid, "xjid", "realrauminfo@realraum.at/Tuer", "XMPP Bot Login JID")
  32     flag.StringVar(&xmpp_login_.pass, "xpass", "", "XMPP Bot Login Password")
  33     flag.StringVar(&xmpp_bot_authstring_, "xbotauth", "", "String that user use to authenticate themselves to the bot")
  34     flag.StringVar(&presence_socket_path_,"presencesocket", "/var/run/tuer/presence.socket",  "Path to presence socket")
  35     flag.StringVar(&xmpp_state_save_dir_,"xstatedir","/flash/var/lib/r3netstatus/",  "Directory to save XMPP bot state in")
  36     flag.Parse()
  37 }
  38
  39 //-------
  40
  41 func IfThenElseStr(c bool, strue, sfalse string) string {
  42     if c {return strue} else {return sfalse}
  43 }
  44
  45 func composeMessage(present, locked, shut bool, who string, ts int64) string {
  46     return fmt.Sprintf("%s (Door is %s and %s and was last used%s at %s)",
  47         IfThenElseStr(present,  "Somebody is present!" , "Everybody left."),
  48         IfThenElseStr(locked, "locked","unlocked"),
  49         IfThenElseStr(shut, "shut","ajar"),
  50         IfThenElseStr(len(who) == 0,"", " by " + who),
  51         time.Unix(ts,0).String())
  52 }
  53
  54 func EventToXMPP(ps *pubsub.PubSub, xmpp_presence_events_chan_ chan <- interface{}) {
  55     events := ps.Sub("presence","door","buttons","updateinterval")
  56
  57     defer func() {
  58         if x := recover(); x != nil {
  59             fmt.Printf("handleIncomingXMPPStanzas: run time panic: %v", x)
  60             ps.Unsub(events, "presence","door","buttons","updateinterval")
  61             close(xmpp_presence_events_chan_)
  62         }
  63     }()
  64
  65     var present, locked, shut bool = false, true, true
  66     var last_buttonpress int64 = 0
  67     var who string
  68     button_msg := "The button has been pressed ! Propably someone is bored and in need of company ! ;-)"
  69     present_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowOnline,"Somebody is present"}
  70     notpresent_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe,"Nobody is here"}
  71     button_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowFreeForChat, "The button has been pressed :-)"}
  72
  73     xmpp_presence_events_chan_ <- r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe, "Nobody is here"}
  74
  75     for eventinterface := range(events) {
  76         switch event := eventinterface.(type) {
  77             case PresenceUpdate:
  78                 present = event.Present
  79                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3OnlineOnlyInfo, RememberAsStatus: true}
  80                 if present {
  81                     xmpp_presence_events_chan_ <- present_status
  82                 } else {
  83                     xmpp_presence_events_chan_ <- notpresent_status
  84                 }
  85             case DoorCommandEvent:
  86                 if len(event.Who) > 0 && len(event.Using) > 0 {
  87                     who = fmt.Sprintf("%s (%s)",event.Who, event.Using)
  88                 } else {
  89                     who = event.Who
  90                 }
  91                 xmpp_presence_events_chan_ <- fmt.Sprintln("DoorCommand:",event.Command, "using", event.Using, "by", event.Who, time.Unix(event.Ts,0))
  92             case DoorStatusUpdate:
  93                 locked = event.Locked
  94                 shut = event.Shut
  95                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeMessage(present, locked, shut, who, event.Ts), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: true}
  96             case ButtonPressUpdate:
  97                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: button_msg, DistributeLevel: r3xmppbot.R3OnlineOnlyInfo}
  98                 xmpp_presence_events_chan_ <- button_status
  99                 last_buttonpress = event.Ts
 100             case TimeTick:
 101                 if present && last_buttonpress > 0 && time.Now().Unix() - last_buttonpress > button_press_timeout_ {
 102                     xmpp_presence_events_chan_ <- present_status
 103                     last_buttonpress = 0
 104                 }
 105         }
 106         }
 107 }
 108
 109 func main() {
 110     var xmpperr error
 111     var bot *r3xmppbot.XmppBot
 112     bot, xmpp_presence_events_chan_, xmpperr = r3xmppbot.NewStartedBot(xmpp_login_.jid, xmpp_login_.pass, xmpp_bot_authstring_, xmpp_state_save_dir_, true)
 113
 114     newlinequeue := make(chan string, 1)
 115     ps := pubsub.New(1)
 116     //~ brn := brain.New()
 117     defer close(newlinequeue)
 118     defer ps.Shutdown()
 119     //~ defer brn.Shutdown()
 120
 121     go EventToWeb(ps)
 122     if xmpperr == nil {
 123         defer bot.StopBot()
 124         go EventToXMPP(ps, xmpp_presence_events_chan_)
 125     } else {
 126         fmt.Println(xmpperr)
 127         fmt.Println("XMPP Bot disabled")
 128     }
 129     go ReadFromUSocket(presence_socket_path_, newlinequeue)
 130     ticker := time.NewTicker(time.Duration(7) * time.Minute)
 131
 132     for {
 133     select {
 134         case e := <-newlinequeue:
 135             ParseSocketInputLine(e, ps) //, brn)
 136         case <-ticker.C:
 137             ps.Pub(TimeTick{time.Now().Unix()}, "updateinterval")
 138         }
 139     }
 140 }