123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"github.com/dedkovd/noolite"
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"net/http"
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"strings"
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"strconv"
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)
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func sendCommand(command string, channel, value, r, g, b int) error {
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if channel == -1 {
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return errors.New("Channel was not set")
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}
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if command == "" {
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return errors.New("Command was not set")
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}
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n, err := noolite.DefaultNooliteAdapter()
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if err != nil {
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return err
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}
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defer n.Close()
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if command == "set" {
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if value != 0 {
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return n.SetBrightnesValue(channel, value)
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} else if r != 0 || g != 0 || b != 0 {
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return n.SetBrightnesValues(channel, r, g, b)
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} else {
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return errors.New("Need some value")
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}
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} else {
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commands := map[string]func(int) error{
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"on": n.On,
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"off": n.Off,
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"switch": n.Switch,
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"decraseBrightnes": n.DecraseBrightnes,
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"incraseBrightnes": n.IncraseBrightnes,
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"invertBrightnes": n.InvertBrightnes,
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}
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cmd, ok := commands[command]
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if !ok {
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return errors.New("Command not found")
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}
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return cmd(channel)
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}
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}
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func parseParams(path string) (string, int, int, int, int, int) {
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params := strings.Split(path, "/")[1:]
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command := ""
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channel := -1
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value := 0
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r := 0
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g := 0
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b := 0
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command = params[0]
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if len(params) > 1 {
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channel, _ = strconv.Atoi(params[1])
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}
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if len(params) > 2 {
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value, _ = strconv.Atoi(params[2])
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}
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if len(params) == 5 {
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value = 0
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r, _ = strconv.Atoi(params[2])
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g, _ = strconv.Atoi(params[3])
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b, _ = strconv.Atoi(params[4])
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}
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return command, channel, value, r, g, b
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}
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func main() {
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channel := flag.Int("channel", -1, "Noolite adapter channel")
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command := flag.String("command", "", "Command")
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value := flag.Int("val", 0, "Set value")
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red := flag.Int("r", 0, "Red channel")
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green := flag.Int("g", 0, "Green channel")
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blue := flag.Int("b", 0, "Blue channel")
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http_port := flag.Int("p", -1, "Http port")
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flag.Parse()
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if *http_port < 0 {
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err := sendCommand(*command, *channel, *value, *red, *green, *blue)
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if err != nil {
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panic(err)
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}
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} else {
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http.HandleFunc("/noolite/", func(w http.ResponseWriter, r *http.Request) {
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command, channel, value, red, green, blue := parseParams(r.URL.Path[1:])
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err := sendCommand(command, channel, value, red, green, blue)
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if err != nil {
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fmt.Fprintf(w, "{\"error\": %q}", err)
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} else {
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fmt.Fprintf(w, "{\"command\": %q, \"channel\": \"%d\"}", command, channel)
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}
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})
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fs := http.FileServer(http.Dir("/var/www/static"))
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http.Handle("/static/", http.StripPrefix("/static/", fs))
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panic(http.ListenAndServe(fmt.Sprintf(":%d", *http_port), nil))
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}
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}
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