87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
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package spacepanel_aggregator
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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yaml "gopkg.in/yaml.v2"
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io "io/ioutil"
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"net/http"
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"sync"
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"time"
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)
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var listen = ":8080"
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var conffile = "conf.yml"
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var sleeptime time.Duration = 60000000000 // nanoseconds
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var leds [][]string
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var spacestates map[string]State
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var lock = sync.RWMutex{}
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func SetConf(s string) {
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conffile = s
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}
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func SetIf(s string) {
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listen = s
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}
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func Start() {
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fmt.Println("Welcome to Spacepanel Aggregator!\n")
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fmt.Println("Listen Interface: ", listen)
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fmt.Println("Config-File: ", conffile)
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bytes, err := io.ReadFile(conffile)
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if err != nil {
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ce(err)
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}
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err = yaml.Unmarshal(bytes, &leds)
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if err != nil {
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ce(err)
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panic("An error occured while parsing the conffile, quitting...")
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}
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spacestates = make(map[string]State)
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for i := 0; i < len(leds); i++ {
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for j := 0; j < len(leds[i]); j++ {
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spacestates[leds[i][j]] = Unknown
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go PollWorker(leds[i][j], i)
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}
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}
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fmt.Println("Loaded", len(leds), "LED-configs and", len(spacestates), "spaces.")
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r := setupRouter()
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_ = r.Run(listen)
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}
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func getBestState(states []string) State {
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returner := Unknown
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for i := 0; i < len(states); i++ {
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if spacestates[states[i]] < returner {
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returner = spacestates[states[i]]
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}
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}
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return returner
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}
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func getLedStates(c *gin.Context) {
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returner := make([]string, len(leds))
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for i := 0; i < len(leds); i++ {
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returner[i] = colors[getBestState(leds[i])]
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}
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c.JSON(http.StatusOK, returner)
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}
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func setupRouter() *gin.Engine {
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gin.SetMode(gin.ReleaseMode)
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r := gin.Default()
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// Ping test
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//r.GET("/leds", getLedStates())
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r.GET("/leds", getLedStates)
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return r
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}
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func ce(err error) {
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if err != nil {
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fmt.Println("ERROR: ", err.Error())
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}
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}
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