122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
/*
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Copyright 2016 Denis V. Dedkov (denis.v.dedkov@gmail.com)
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This file is part of Noolite Go bindings.
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Noolite Go bindings is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Noolite Go bindings is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Noolite Go bindings. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Example WEB-server for control noolite adapter
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//
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// Default run on :8080 with static dir /var/www/static
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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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"strconv"
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"strings"
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)
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func sendCommand(n *noolite.NooliteAdapter, 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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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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cmd, ok := n.FindCommand(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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binding := *flag.String("bind", ":8080", "Address binding")
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static_dir := *flag.String("static", "/var/www/static", "Static directory")
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flag.Parse()
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n, err := noolite.DefaultNooliteAdapter()
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if err != nil {
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panic(err)
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}
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defer n.Close()
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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(n, 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(static_dir))
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http.Handle("/static/", http.StripPrefix("/static/", fs))
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panic(http.ListenAndServe(binding, nil))
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}
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