forked from mamu/spacepanel_aggregator
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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io "io/ioutil"
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"net/http"
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"os"
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"github.com/sirupsen/logrus"
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flag "github.com/spf13/pflag"
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"gopkg.in/yaml.v2"
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)
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var (
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configFile string
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addr string
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)
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func init() {
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flag.StringVar(&configFile, "config", "conf.yml", "")
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flag.StringVar(&addr, "addr", ":8080", "")
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}
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func main() {
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flag.Parse()
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if _, err := os.Stat(configFile); err == os.ErrNotExist {
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logrus.Fatal("Config file not found")
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flag.PrintDefaults()
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return
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}
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logrus.Println("Welcome to Spacepanel Aggregator!")
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logrus.Println()
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logrus.Printf("Listen Address: %s", addr)
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logrus.Printf("Config-File: %s", configFile)
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bytes, err := io.ReadFile(configFile)
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if err != nil {
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logrus.Fatal(err)
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}
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var ledSpaceMap map[int][]string
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err = yaml.Unmarshal(bytes, &ledSpaceMap)
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if err != nil {
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logrus.Fatalf("Error loading config file: %v", err)
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}
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spaceCount := 0
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for _, spaces := range ledSpaceMap {
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spaceCount += len(spaces)
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}
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fmt.Println("Loaded", len(ledSpaceMap), "LED-configs and", spaceCount, "spaces.")
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aggregator := NewStateAggregator(ledSpaceMap)
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server := http.Server{
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Addr: addr,
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}
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http.HandleFunc("/leds", func(writer http.ResponseWriter, request *http.Request) {
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data, err := json.Marshal(aggregator.GetLedStates())
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if err != nil {
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logrus.Error(err)
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writer.WriteHeader(501)
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return
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}
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writer.Header().Add("Content-Type", "application/json")
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writer.Write(data)
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})
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server.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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logrus.Infof("Request: %s %s %s", r.RemoteAddr, r.Method, r.URL)
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http.DefaultServeMux.ServeHTTP(w, r)
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})
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logrus.Fatal(server.ListenAndServe())
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}
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