polling

httppoll.go

@@ -0,0 +1,13 @@
+package spacepanel_aggregator
+
+import (
+	"fmt"
+	"time"
+)
+
+func Poll(url string) {
+	for true {
+		fmt.Println("Polling", url)
+		time.Sleep(sleeptime)
+	}
+}

setup.go

@@ -2,13 +2,18 @@ package spacepanel_aggregator
 
 import (
 	"fmt"
+	"github.com/gin-gonic/gin"
 	yaml "gopkg.in/yaml.v2"
 	io "io/ioutil"
+	"net/http"
+	"time"
 )
 
 var listen = ":8080"
 var conffile = "conf.yml"
+var sleeptime time.Duration = 60000000000 // nanoseconds
 var leds [][]string
+var spacestates map[string]State
 
 func SetConf(s string) {
 	conffile = s
@@ -30,14 +35,46 @@ func Start() {
 
 	if err != nil {
 		ce(err)
+		panic("An error occured while parsing the conffile, quitting...")
 	}
-	fmt.Println("So, lief anscheinend durch, schüss")
+	spacestates = make(map[string]State)
 	for i := 0; i < len(leds); i++ {
-		fmt.Println("-")
 		for j := 0; j < len(leds[i]); j++ {
-			fmt.Println("  -", leds[i][j])
+			spacestates[leds[i][j]] = Unknown
+			go Poll(leds[i][j])
 		}
 	}
+	fmt.Println("Loaded", len(leds), "LED-configs and", len(spacestates), "spaces.")
+
+	r := setupRouter()
+	_ = r.Run(listen)
+}
+
+func getBestState(states []string) State {
+	returner := Unknown
+	for i := 0; i < len(states); i++ {
+		if spacestates[states[i]] < returner {
+			returner = spacestates[states[i]]
+		}
+	}
+	return returner
+}
+
+func getLedStates(c *gin.Context) {
+	returner := make([]string, len(leds))
+	for i := 0; i < len(leds); i++ {
+		returner[i] = colors[getBestState(leds[i])]
+	}
+	c.JSON(http.StatusOK, returner)
+}
+
+func setupRouter() *gin.Engine {
+	gin.SetMode(gin.ReleaseMode)
+	r := gin.Default()
+	// Ping test
+	//r.GET("/leds", getLedStates())
+	r.GET("/leds", getLedStates)
+	return r
 }
 
 func ce(err error) {

types.go

@@ -3,7 +3,7 @@ package spacepanel_aggregator
 type State int
 
 const (
-	Open State = iota
+	Open = State(iota)
 	Close
 	Outdated
 	Unknown
@@ -11,6 +11,5 @@ const (
 
 var colors = [4]string{"#00ff00", "#ff0000", "#0000ff", "#000000"}
 
-type Config struct {
-	Root [][]string
-}
+//var colors = make(map[State]string)
+//colors[Open] = "#00ff00"