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 composeDoorLockMessage(locked bool, frontshut r3events.DoorAjarUpdate, doorcmd r3events.DoorCommandEvent, ts int64) string {
  54     var ajarstring string = "";
  55     if frontshut.Shut == false && frontshut.Ts < doorcmd.Ts {
  56         ajarstring = " (still ajar)"
  57     }
  58     if ts - doorcmd.Ts < 30 {
  59         if len(doorcmd.Who) == 0 || doorcmd.Who == "-" {
  60             return fmt.Sprintf("The%s frontdoor was %s by %s at %s.",ajarstring, IfThenElseStr(locked, "locked","unlocked"), doorcmd.Using, time.Unix(ts,0).String())
  61         } else {
  62             return fmt.Sprintf("%s %s the%s frontdoor by %s at %s.",doorcmd.Who, IfThenElseStr(locked, "locked","unlocked"), ajarstring, doorcmd.Using, time.Unix(ts,0).String())
  63         }
  64     } else {
  65         return fmt.Sprintf("The%s frontdoor was %s manually at %s.", ajarstring, IfThenElseStr(locked, "locked","unlocked"), time.Unix(ts,0).String())
  66     }
  67 }
  68
  69 func EventToXMPP(ps *pubsub.PubSub, xmpp_presence_events_chan_ chan <- interface{}) {
  70     events := ps.Sub("presence","door","buttons","updateinterval")
  71
  72     defer func() {
  73         if x := recover(); x != nil {
  74             Syslog_.Printf("handleIncomingXMPPStanzas: run time panic: %v", x)
  75             ps.Unsub(events, "presence","door","buttons","updateinterval")
  76             close(xmpp_presence_events_chan_)
  77         }
  78     }()
  79
  80     var present, frontlock bool = false, true
  81     var last_buttonpress int64 = 0
  82     var last_door_cmd r3events.DoorCommandEvent;
  83     var last_frontdoor_ajar r3events.DoorAjarUpdate = r3events.DoorAjarUpdate{true, 0};
  84     button_msg := "Dooom ! The button has been pressed ! Propably someone is bored and in need of company ! ;-)"
  85     present_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowOnline,"Somebody is present"}
  86     notpresent_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe,"Nobody is here"}
  87     button_status := r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowFreeForChat, "The button has been pressed :-)"}
  88
  89     xmpp_presence_events_chan_ <- r3xmppbot.XMPPStatusEvent{r3xmppbot.ShowNotAvailabe, "Nobody is here"}
  90
  91     for eventinterface := range(events) {
  92         Debug_.Printf("event2xmpp: %T %+v", eventinterface, eventinterface)
  93         switch event := eventinterface.(type) {
  94             case r3events.PresenceUpdate:
  95                 present = event.Present
  96                 if present {
  97                     xmpp_presence_events_chan_ <- present_status
  98                 } else {
  99                     xmpp_presence_events_chan_ <- notpresent_status
 100                 }
 101             case r3events.DoorCommandEvent:
 102                 last_door_cmd = event
 103                 xmpp_presence_events_chan_ <- fmt.Sprintln("DoorCommand:",event.Command, "using", event.Using, "by", event.Who, time.Unix(event.Ts,0))
 104             case r3events.DoorLockUpdate:
 105                 if frontlock != event.Locked {
 106                     xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: composeDoorLockMessage(event.Locked, last_frontdoor_ajar, last_door_cmd, event.Ts), DistributeLevel: r3xmppbot.R3OnlineOnlyInfo, RememberAsStatus: true}
 107                 }
 108                 frontlock = event.Locked
 109            case r3events.DoorAjarUpdate:
 110                 if last_frontdoor_ajar.Shut != event.Shut {
 111                     xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: fmt.Sprintf("Frontdoor is %s  (%s)",IfThenElseStr(event.Shut,"now shut.","ajar."),time.Unix(event.Ts,0).String()), DistributeLevel: r3xmppbot.R3DebugInfo, RememberAsStatus: false}
 112                 }
 113                 last_frontdoor_ajar = event
 114            case r3events.BackdoorAjarUpdate:
 115                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: fmt.Sprintf("Backdoor is %s  (%s)",IfThenElseStr(event.Shut,"now shut.","ajar!"),time.Unix(event.Ts,0).String()), DistributeLevel: r3xmppbot.R3OnlineOnlyInfo, RememberAsStatus: false}
 116             case r3events.BoreDoomButtonPressEvent:
 117                 xmpp_presence_events_chan_ <- r3xmppbot.XMPPMsgEvent{Msg: button_msg, DistributeLevel: r3xmppbot.R3OnlineOnlyInfo}
 118                 xmpp_presence_events_chan_ <- button_status
 119                 last_buttonpress = event.Ts
 120             case r3events.TimeTick:
 121                 if present && last_buttonpress > 0 && time.Now().Unix() - last_buttonpress > button_press_timeout_ {
 122                     xmpp_presence_events_chan_ <- present_status
 123                     last_buttonpress = 0
 124                 }
 125         }
 126         }
 127 }
 128
 129 func ParseZMQr3Event(lines [][]byte, ps *pubsub.PubSub) {
 130     evnt, pubsubcat, err := r3events.UnmarshalByteByte2Event(lines)
 131     Debug_.Printf("ParseZMQr3Event: %s %s %s", evnt, pubsubcat, err)
 132     if err != nil { return }
 133     ps.Pub(evnt, pubsubcat)
 134 }
 135
 136 func main() {
 137     if enable_syslog_ { LogEnableSyslog(); r3xmppbot.LogEnableSyslog() }
 138     if enable_debug_ { LogEnableDebuglog(); r3xmppbot.LogEnableDebuglog() }
 139     Syslog_.Print("started")
 140     defer Syslog_.Print("exiting")
 141     zmqctx, zmqsub := ZmqsInit(r3eventssub_port_)
 142     defer zmqctx.Close()
 143     if zmqsub != nil {defer zmqsub.Close()}
 144     if zmqsub == nil {
 145         panic("zmq sockets must not be nil !!")
 146     }
 147
 148     var xmpperr error
 149     var bot *r3xmppbot.XmppBot
 150     bot, xmpp_presence_events_chan_, xmpperr = r3xmppbot.NewStartedBot(xmpp_login_.jid, xmpp_login_.pass, xmpp_bot_authstring_, xmpp_state_save_dir_, true)
 151
 152     ps := pubsub.New(1)
 153     defer ps.Shutdown()
 154     //~ brn := brain.New()
 155     //~ defer brn.Shutdown()
 156
 157     go EventToWeb(ps)
 158     if xmpperr == nil {
 159         defer bot.StopBot()
 160         go EventToXMPP(ps, xmpp_presence_events_chan_)
 161     } else {
 162         fmt.Println(xmpperr)
 163         fmt.Println("XMPP Bot disabled")
 164         Syslog_.Printf("XMPP Bot disabled due to error: %s", xmpperr.Error())
 165     }
 166
 167     // --- get update on most recent events ---
 168     answ := ZmqsAskQuestionsAndClose(zmqctx, brain_connect_addr_, [][][]byte{[][]byte{[]byte("DoorCommandEvent")}, [][]byte{[]byte("DoorLockUpdate")}, [][]byte{[]byte("DoorAjarUpdate")}, [][]byte{[]byte("PresenceUpdate")}, [][]byte{[]byte("IlluminationSensorUpdate")}, [][]byte{[]byte("TempSensorUpdate")}})
 169     for _, a := range(answ) {
 170         ParseZMQr3Event(a, ps)
 171     }
 172
 173     // --- receive and distribute events ---
 174     ticker := time.NewTicker(time.Duration(7) * time.Minute)
 175     for {
 176     select {
 177         case e := <-zmqsub.In():
 178             ParseZMQr3Event(e, ps) //, brn)
 179         case <-ticker.C:
 180             ps.Pub(r3events.TimeTick{time.Now().Unix()}, "updateinterval")
 181         }
 182     }
 183 }