r3-netstatus/sockettoevent.go

   1 package main
   2
   3 import (
   4     pubsub "github.com/tuxychandru/pubsub"
   5     "regexp"
   6     "strconv"
   7     "bufio"
   8     "time"
   9     //~ "./brain"
  10     "net"
  11     )
  12
  13 var (
  14         re_presence_    *regexp.Regexp     = regexp.MustCompile("Presence: (yes|no)(?:, (opened|closed), (.+))?")
  15         re_status_      *regexp.Regexp     = regexp.MustCompile("Status: (closed|opened), (opening|waiting|closing|idle), (ajar|shut).*")
  16         re_command_      *regexp.Regexp     = regexp.MustCompile("(open|close|toggle) (Card |Phone )?([^ ]+) *")
  17         re_button_      *regexp.Regexp     = regexp.MustCompile("PanicButton|button\\d?")
  18         re_temp_        *regexp.Regexp     = regexp.MustCompile("temp0: (\\d+\\.\\d+)")
  19         re_photo_       *regexp.Regexp     = regexp.MustCompile("photo0: (\\d+)")
  20 )
  21
  22
  23 type PresenceUpdate struct {
  24     Present bool
  25     Ts int64
  26 }
  27
  28 type DoorStatusUpdate struct {
  29     Locked bool
  30     Shut bool
  31     Ts int64
  32 }
  33
  34 type DoorCommandEvent struct {
  35     Command string
  36     Using string
  37     Who string
  38     Ts int64
  39 }
  40
  41 type ButtonPressUpdate struct {
  42     Buttonindex int
  43     Ts int64
  44 }
  45
  46 type TempSensorUpdate struct {
  47     Sensorindex int
  48     Value float64
  49     Ts int64
  50 }
  51
  52 type IlluminationSensorUpdate struct {
  53     Sensorindex int
  54     Value int64
  55     Ts int64
  56 }
  57
  58 type TimeTick struct {
  59     Ts int64
  60 }
  61
  62
  63 func ParseSocketInputLine(line string, ps *pubsub.PubSub) { //, brn *brain.Brain) {
  64         match_presence := re_presence_.FindStringSubmatch(line)
  65         match_status := re_status_.FindStringSubmatch(line)
  66         match_command := re_command_.FindStringSubmatch(line)
  67         match_button := re_button_.FindStringSubmatch(line)
  68         match_temp := re_temp_.FindStringSubmatch(line)
  69         match_photo := re_photo_.FindStringSubmatch(line)
  70
  71     var tidbit interface{}
  72     ts := time.Now().Unix()
  73         if match_presence != nil {
  74         tidbit = PresenceUpdate{match_presence[1] == "yes", ts}
  75         //~ brn.Oboite("presence", tidbit)
  76         ps.Pub(tidbit, "presence")
  77         } else if match_status != nil {
  78         tidbit = DoorStatusUpdate{match_status[1] == "closed", match_status[3] == "shut", ts}
  79         //~ brn.Oboite("door", tidbit)
  80         ps.Pub(tidbit, "door")
  81         } else if match_command != nil {
  82         tidbit = DoorCommandEvent{match_status[1], match_status[2], match_status[3], ts}
  83         //~ brn.Oboite("doorcmd", tidbit)
  84         ps.Pub(tidbit, "door")
  85         } else if match_button != nil {
  86         //~ brn.Oboite("button0", ts)
  87         ps.Pub(ButtonPressUpdate{0, ts}, "buttons")
  88         } else if match_temp != nil {
  89                 newtemp, err := strconv.ParseFloat((match_temp[1]), 32)
  90                 if err == nil {
  91             //~ brn.Oboite( "temp0", newtemp)
  92             ps.Pub(TempSensorUpdate{0, newtemp, ts}, "sensors")
  93                 }
  94         } else if match_photo != nil {
  95                 newphoto, err := strconv.ParseInt(match_photo[1], 10, 32)
  96                 if err == nil {
  97             //~ brn.Oboite("photo0", newphoto)
  98             ps.Pub(IlluminationSensorUpdate{0, newphoto, ts}, "sensors")
  99                 }
 100         }
 101 }
 102
 103 func ReadFromUSocket(path string, c chan string) {
 104 ReOpenSocket:
 105         for {
 106                 presence_socket, err := net.Dial("unix", path)
 107                 if err != nil {
 108                         //Waiting on Socket
 109                         time.Sleep(5 * time.Second)
 110                         continue ReOpenSocket
 111                 }
 112                 presence_reader := bufio.NewReader(presence_socket)
 113                 for {
 114                         line, err := presence_reader.ReadString('\n')
 115                         if err != nil {
 116                                 //Socket closed
 117                                 presence_socket.Close()
 118                                 continue ReOpenSocket
 119                         }
 120                         c <- line
 121                 }
 122         }
 123 }