r3 spaceapi updater daemon written in go

diff --git a/r3-webstatus-spaceapi/main.go b/r3-webstatus-spaceapi/main.go
new file mode 100644 (file)
index 0000000..9844717
--- /dev/null
+++ b/r3-webstatus-spaceapi/main.go
@@ -0,0 +1,137 @@
+package main
+
+import (
+       "./spaceapi"
+       "bufio"
+       "fmt"
+       "net"
+       "net/http"
+       "net/url"
+       "regexp"
+       "time"
+)
+
+type SpaceState struct {
+       present           bool
+       buttonpress_until int64
+}
+
+var (
+       re_presence_    *regexp.Regexp     = regexp.MustCompile("Presence: (yes|no)(?:, (opened|closed), (.+))?")
+       re_button_      *regexp.Regexp     = regexp.MustCompile("PanicButton|button\\d?")
+       re_temp_        *regexp.Regexp     = regexp.MustCompile("temp0: (\\d+\\.\\d+)")
+       re_photo_       *regexp.Regexp     = regexp.MustCompile("photo0: (\\d+)")
+       re_querystresc_ *regexp.Regexp     = regexp.MustCompile("[^\x30-\x39\x41-\x7E]")
+       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)
+       statusstate     *SpaceState        = new(SpaceState)
+)
+
+//-------
+
+func updateStatusString() {
+       var spacestatus string
+       if statusstate.present {
+               if statusstate.buttonpress_until > time.Now().Unix() {
+                       spacestatus = "Panic! Present&Bored"
+               } else {
+                       spacestatus = "Leute Anwesend"
+               }
+       } else {
+               spacestatus = "Keiner Da"
+       }
+       spaceapidata.SetStatus(statusstate.present, spacestatus)
+}
+
+func publishStateToWeb() {
+       updateStatusString()
+       jsondata_b, err := spaceapidata.MakeJSON()
+       if err != nil {
+               fmt.Println("Error:", err)
+               return
+       }
+       //jsondata_b := re_querystresc_.ReplaceAllFunc(jsondata_b, func(in []byte) []byte {
+       //      out := make([]byte, 4)
+       //      out[0] = '%'
+       //      copy(out[1:], []byte(strconv.FormatInt(int64(in[0]), 16)))
+       //      return out
+       //})
+       jsondata := url.QueryEscape(string(jsondata_b))
+       resp, err := http.Get("http://www.realraum.at/cgi/status.cgi?pass=jako16&set=" + jsondata)
+       if err != nil {
+               fmt.Println("Error publishing realraum info", err)
+               return
+       }
+       defer resp.Body.Close()
+}
+
+func parseSocketInputLine(line string) {
+       match_presence := re_presence_.FindStringSubmatch(line)
+       match_button := re_button_.FindStringSubmatch(line)
+       match_temp := re_temp_.FindStringSubmatch(line)
+       match_photo := re_photo_.FindStringSubmatch(line)
+
+       if match_presence != nil {
+               statusstate.present = (match_presence[1] == "yes")
+               publishStateToWeb()
+       } else if match_button != nil {
+               statusstate.buttonpress_until = time.Now().Unix() + 3600
+               spaceapidata.AddSpaceEvent("PanicButton", "check-in", "The button has been pressed")
+               publishStateToWeb()
+       } else if match_temp != nil {
+               spaceapidata.UpdateSensorData("temp", "Ceiling", match_temp[1]+"C")
+               //newtemp, err = strconv.ParseFloat((match_temp[1]), 32)
+               //if err == nil {
+               //      spaceapidata.UpdateSensorData("temp", "Ceiling", strconv.FormatFloat(newtemp, 'f', 2, 32)+"C")
+               //      spacestate.temperature = newtemp
+               //}
+       } else if match_photo != nil {
+               spaceapidata.UpdateSensorData("light", "Front", match_photo[1])
+               //newphoto, err = strconv.ParseInt(match_photo[1], 10, 32)
+               //if err == nil {
+               //      spacestate.lightlevel = newphoto
+               //}
+       }
+}
+
+func readFromUSocket(path string, c chan string) {
+ReOpenSocket:
+       for {
+               presence_socket, err := net.Dial("unix", path)
+               if err != nil {
+                       //Waiting on Socket
+                       time.Sleep(5 * time.Second)
+                       continue ReOpenSocket
+               }
+               presence_reader := bufio.NewReader(presence_socket)
+               for {
+                       line, err := presence_reader.ReadString('\n')
+                       if err != nil {
+                               //Socket closed
+                               presence_socket.Close()
+                               continue ReOpenSocket
+                       }
+                       c <- line
+               }
+       }
+}
+
+func main() {
+       spaceapidata.AddSpaceFeed("calendar", "application/rss+xml", "http://grical.realraum.at/s/?query=!realraum&view=rss")
+       spaceapidata.AddSpaceFeed("google+", "text/html", "https://plus.google.com/113737596421797426873")
+       spaceapidata.AddSpaceContactInfo("+43780700888524", "irc://irc.oftc.net/#realraum", "realraum@realraum.at", "realraum@realraum.at", "realraum@realraum.at")
+       eventqueue := make(chan string)
+       ticker := time.NewTicker(time.Duration(15) * time.Minute)
+       go readFromUSocket("/var/run/tuer/presence.socket", eventqueue)
+       for {
+               select {
+               case e := <-eventqueue:
+                       parseSocketInputLine(e)
+               case <-ticker.C:
+                       publishStateToWeb()
+               }
+       }
+}
+
+/* TODO:
+* Read config from an .ini file
+ */

diff --git a/r3-webstatus-spaceapi/spaceapi/spaceapi.go b/r3-webstatus-spaceapi/spaceapi/spaceapi.go
new file mode 100644 (file)
index 0000000..7e08819
--- /dev/null
+++ b/r3-webstatus-spaceapi/spaceapi/spaceapi.go
@@ -0,0 +1,123 @@
+// spaceapi.go
+package spaceapi
+
+import (
+       "encoding/json"
+       "time"
+)
+
+const max_num_events int = 4
+
+type SpaceInfo map[string]interface{}
+
+func (nsi SpaceInfo) UpdateSensorData(what, where, value string) {
+       if nsi["sensors"] == nil {
+               sensorlist := make([]SpaceInfo, 1)
+               sensorlist[0] = SpaceInfo{what: SpaceInfo{where: value}}
+               nsi["sensors"] = sensorlist
+       } else {
+               sensorlist, ok := nsi["sensors"].([]SpaceInfo) //type assertion (panics if false)
+               if ok {
+                       for _, sensor := range sensorlist {
+                               if sensor[what] != nil {
+                                       sensorinfo, ok2 := sensor[what].(SpaceInfo)
+                                       if ok2 {
+                                               sensorinfo[where] = value
+                                               return
+                                       } else {
+                                               panic("Wrong Type of sensorinfo: Should never happen")
+                                       }
+                               }
+                       }
+                       //else
+                       nsi["sensors"] = append(sensorlist, SpaceInfo{what: SpaceInfo{where: value}})
+               } else {
+                       panic("Wrong Type of sensorlist: Should never happen")
+               }
+       }
+}
+
+func (nsi SpaceInfo) AddSpaceContactInfo(phone, irc, email, ml, jabber string) SpaceInfo {
+       nsi["contact"] = SpaceInfo{
+               "phone":  phone,
+               "email":  email,
+               "ml":     ml,
+               "jabber": jabber}
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceFeed(name, mimetype, url string) SpaceInfo {
+       newfeed := SpaceInfo{"name": name, "type": mimetype, "url": url}
+       if nsi["feeds"] == nil {
+               feedlist := make([]SpaceInfo, 1)
+               feedlist[0] = newfeed
+               nsi["feeds"] = feedlist
+       } else {
+               feedlist, ok := nsi["feeds"].([]SpaceInfo) //type assertion (panics if false)
+               if ok {
+                       nsi["feeds"] = append(feedlist, newfeed)
+               } else {
+                       panic("Wrong Type of feedlist: Should never happen")
+               }
+       }
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceEvent(name, eventtype, extra string) SpaceInfo {
+       newevent := SpaceInfo{"name": name, "type": eventtype, "t": time.Now().Unix(), "extra": extra}
+       if nsi["events"] == nil {
+               eventlist := make([]SpaceInfo, 1)
+               eventlist[0] = newevent
+               nsi["events"] = eventlist
+       } else {
+               eventlist, ok := nsi["events"].([]SpaceInfo) //type assertion
+               if ok {
+                       if len(eventlist) >= max_num_events {
+                               eventlist = eventlist[1:]
+                       }
+                       nsi["events"] = append(eventlist, newevent)
+               } else {
+                       panic("Wrong Type of eventlist: Should never happen")
+               }
+       }
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceAddress(address string) SpaceInfo {
+       nsi["address"] = address
+       return nsi
+}
+
+func (nsi SpaceInfo) AddSpaceLatLon(lat float64, lon float64) SpaceInfo {
+       nsi["lat"] = lat
+       nsi["lon"] = lon
+       return nsi
+}
+
+func (nsi SpaceInfo) SetStatus(open bool, status string) {
+       nsi["status"] = status
+       nsi["open"] = open
+       nsi["lastchange"] = time.Now().Unix()
+}
+
+func NewSpaceInfo(space string, url string, logo string, open_icon string, closed_icon string) SpaceInfo {
+       nsi := map[string]interface{}{
+               "api":        "0.13",
+               "space":      space,
+               "url":        url,
+               "logo":       logo,
+               "open":       false,
+               "lastchange": time.Now().Unix(),
+               "icon": map[string]interface{}{
+                       "open":   open_icon,
+                       "closed": closed_icon}}
+       return nsi
+}
+
+func (data SpaceInfo) MakeJSON() ([]byte, error) {
+       msg, err := json.Marshal(data)
+       if err == nil {
+               return msg, nil
+       }
+       return nil, err
+}