r3-webstatus-spaceapi/main.go

   1 package main
   2
   3 import (
   4         "./spaceapi"
   5         "bufio"
   6         "fmt"
   7         "net"
   8         "net/http"
   9         "net/url"
  10         "regexp"
  11         "time"
  12 )
  13
  14 type SpaceState struct {
  15         present           bool
  16         buttonpress_until int64
  17 }
  18
  19 var (
  20         re_presence_    *regexp.Regexp     = regexp.MustCompile("Presence: (yes|no)(?:, (opened|closed), (.+))?")
  21         re_button_      *regexp.Regexp     = regexp.MustCompile("PanicButton|button\\d?")
  22         re_temp_        *regexp.Regexp     = regexp.MustCompile("temp0: (\\d+\\.\\d+)")
  23         re_photo_       *regexp.Regexp     = regexp.MustCompile("photo0: (\\d+)")
  24         re_querystresc_ *regexp.Regexp     = regexp.MustCompile("[^\x30-\x39\x41-\x7E]")
  25         spaceapidata    spaceapi.SpaceInfo = spaceapi.NewSpaceInfo("realraum", "http://realraum.at", "http://realraum.at/logo-red_250x250.png", "http://realraum.at/logo-re_open_100x100.png", "http://realraum.at/logo-re_empty_100x100.png").AddSpaceAddress("Jakoministr. 16 ground level left, 8010 Graz, Austria").AddSpaceLatLon(47.065779129, 15.442322614)
  26         statusstate     *SpaceState        = new(SpaceState)
  27 )
  28
  29 //-------
  30
  31 func updateStatusString() {
  32         var spacestatus string
  33         if statusstate.present {
  34                 if statusstate.buttonpress_until > time.Now().Unix() {
  35                         spacestatus = "Panic! Present&Bored"
  36                 } else {
  37                         spacestatus = "Leute Anwesend"
  38                 }
  39         } else {
  40                 spacestatus = "Keiner Da"
  41         }
  42         spaceapidata.SetStatus(statusstate.present, spacestatus)
  43 }
  44
  45 func publishStateToWeb() {
  46         updateStatusString()
  47         jsondata_b, err := spaceapidata.MakeJSON()
  48         if err != nil {
  49                 fmt.Println("Error:", err)
  50                 return
  51         }
  52         //jsondata_b := re_querystresc_.ReplaceAllFunc(jsondata_b, func(in []byte) []byte {
  53         //      out := make([]byte, 4)
  54         //      out[0] = '%'
  55         //      copy(out[1:], []byte(strconv.FormatInt(int64(in[0]), 16)))
  56         //      return out
  57         //})
  58         jsondata := url.QueryEscape(string(jsondata_b))
  59         resp, err := http.Get("http://www.realraum.at/cgi/status.cgi?pass=jako16&set=" + jsondata)
  60         if err != nil {
  61                 fmt.Println("Error publishing realraum info", err)
  62                 return
  63         }
  64         defer resp.Body.Close()
  65 }
  66
  67 func parseSocketInputLine(line string) {
  68         match_presence := re_presence_.FindStringSubmatch(line)
  69         match_button := re_button_.FindStringSubmatch(line)
  70         match_temp := re_temp_.FindStringSubmatch(line)
  71         match_photo := re_photo_.FindStringSubmatch(line)
  72
  73         if match_presence != nil {
  74                 statusstate.present = (match_presence[1] == "yes")
  75                 publishStateToWeb()
  76         } else if match_button != nil {
  77                 statusstate.buttonpress_until = time.Now().Unix() + 3600
  78                 spaceapidata.AddSpaceEvent("PanicButton", "check-in", "The button has been pressed")
  79                 publishStateToWeb()
  80         } else if match_temp != nil {
  81                 spaceapidata.UpdateSensorData("temp", "Ceiling", match_temp[1]+"C")
  82                 //newtemp, err = strconv.ParseFloat((match_temp[1]), 32)
  83                 //if err == nil {
  84                 //      spaceapidata.UpdateSensorData("temp", "Ceiling", strconv.FormatFloat(newtemp, 'f', 2, 32)+"C")
  85                 //      spacestate.temperature = newtemp
  86                 //}
  87         } else if match_photo != nil {
  88                 spaceapidata.UpdateSensorData("light", "Front", match_photo[1])
  89                 //newphoto, err = strconv.ParseInt(match_photo[1], 10, 32)
  90                 //if err == nil {
  91                 //      spacestate.lightlevel = newphoto
  92                 //}
  93         }
  94 }
  95
  96 func readFromUSocket(path string, c chan string) {
  97 ReOpenSocket:
  98         for {
  99                 presence_socket, err := net.Dial("unix", path)
 100                 if err != nil {
 101                         //Waiting on Socket
 102                         time.Sleep(5 * time.Second)
 103                         continue ReOpenSocket
 104                 }
 105                 presence_reader := bufio.NewReader(presence_socket)
 106                 for {
 107                         line, err := presence_reader.ReadString('\n')
 108                         if err != nil {
 109                                 //Socket closed
 110                                 presence_socket.Close()
 111                                 continue ReOpenSocket
 112                         }
 113                         c <- line
 114                 }
 115         }
 116 }
 117
 118 func main() {
 119         spaceapidata.AddSpaceFeed("calendar", "application/rss+xml", "http://grical.realraum.at/s/?query=!realraum&view=rss")
 120         spaceapidata.AddSpaceFeed("google+", "text/html", "https://plus.google.com/113737596421797426873")
 121         spaceapidata.AddSpaceContactInfo("+43780700888524", "irc://irc.oftc.net/#realraum", "realraum@realraum.at", "realraum@realraum.at", "realraum@realraum.at")
 122         eventqueue := make(chan string)
 123         ticker := time.NewTicker(time.Duration(15) * time.Minute)
 124         go readFromUSocket("/var/run/tuer/presence.socket", eventqueue)
 125         for {
 126                 select {
 127                 case e := <-eventqueue:
 128                         parseSocketInputLine(e)
 129                 case <-ticker.C:
 130                         publishStateToWeb()
 131                 }
 132         }
 133 }
 134
 135 /* TODO:
 136 * Read config from an .ini file
 137  */