2023-01-28 23:28:37 +02:00
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package main
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import (
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2023-02-02 11:44:30 +02:00
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"embed"
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2023-01-29 23:31:21 +02:00
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"encoding/json"
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2023-02-02 11:44:30 +02:00
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"io/fs"
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2023-01-29 23:31:21 +02:00
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"log"
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"net/http"
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2023-02-24 22:52:13 +02:00
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"strconv"
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"strings"
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2023-01-29 14:42:03 +02:00
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2023-01-28 23:28:37 +02:00
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"github.com/0ranki/enervent-ctrl/enervent-ctrl-go/pingvinKL"
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)
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2023-02-02 13:38:31 +02:00
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// Remember to dereference the symbolic links under ./static/html
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// prior to building the binary e.g. by using tar
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2023-02-02 11:44:30 +02:00
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//go:embed static/html/*
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var static embed.FS
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2023-01-29 23:31:21 +02:00
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var (
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2023-03-02 13:36:49 +02:00
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version = "0.0.7"
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pingvin pingvinKL.PingvinKL
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2023-02-01 22:19:57 +02:00
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DEBUG = false
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2023-01-29 23:31:21 +02:00
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)
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func coils(w http.ResponseWriter, r *http.Request) {
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2023-01-29 23:43:36 +02:00
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w.Header().Set("Content-Type", "application/json")
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2023-02-24 22:52:13 +02:00
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pathparams := strings.Split(strings.TrimPrefix(r.URL.Path, "/api/v1/coils/"), "/")
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if len(pathparams[0]) == 0 {
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json.NewEncoder(w).Encode(pingvin.Coils)
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} else if len(pathparams[0]) > 0 && r.Method == "GET" && len(pathparams) < 2 { // && r.Method == "POST"
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intaddr, err := strconv.Atoi(pathparams[0])
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if err != nil {
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log.Println("ERROR: Could not parse coil address", pathparams[0])
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log.Println(err)
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return
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}
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pingvin.ReadCoil(uint16(intaddr))
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json.NewEncoder(w).Encode(pingvin.Coils[intaddr])
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} else if len(pathparams[0]) > 0 && r.Method == "POST" && len(pathparams) == 2 {
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intaddr, err := strconv.Atoi(pathparams[0])
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if err != nil {
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log.Println("ERROR: Could not parse coil address", pathparams[0])
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log.Println(err)
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return
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}
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boolval, err := strconv.ParseBool(pathparams[1])
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if err != nil {
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log.Println("ERROR: Could not parse coil value", pathparams[1])
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log.Println(err)
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return
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}
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pingvin.WriteCoil(uint16(intaddr), boolval)
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json.NewEncoder(w).Encode(pingvin.Coils[intaddr])
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}
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2023-01-29 23:31:21 +02:00
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}
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2023-02-01 22:12:56 +02:00
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func registers(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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2023-02-01 22:19:57 +02:00
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if DEBUG {
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log.Println("Received request for /registers")
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}
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2023-02-01 22:12:56 +02:00
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json.NewEncoder(w).Encode(pingvin.Registers)
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2023-02-01 22:19:57 +02:00
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if DEBUG {
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log.Println("Handled request for /registers")
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}
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2023-02-01 22:12:56 +02:00
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}
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2023-02-18 21:52:53 +02:00
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func status(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(pingvin.Status)
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}
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2023-01-29 23:31:21 +02:00
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func listen() {
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log.Println("Starting pingvinAPI...")
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http.HandleFunc("/api/v1/coils/", coils)
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http.HandleFunc("/api/v1/registers/", registers)
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http.HandleFunc("/api/v1/status", status)
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2023-02-02 11:44:30 +02:00
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html, err := fs.Sub(static, "static/html")
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if err != nil {
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log.Fatal(err)
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}
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htmlroot := http.FileServer(http.FS(html))
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http.Handle("/", htmlroot)
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err = http.ListenAndServe(":8888", nil)
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2023-02-01 21:52:55 +02:00
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if err != nil {
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log.Fatal(err)
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}
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2023-01-29 23:31:21 +02:00
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}
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2023-01-28 23:28:37 +02:00
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func main() {
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2023-01-29 23:31:21 +02:00
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log.Println("enervent-ctrl version", version)
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2023-02-19 21:28:50 +02:00
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pingvin = pingvinKL.New(DEBUG)
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2023-01-29 21:56:22 +02:00
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pingvin.Update()
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2023-02-24 21:54:50 +02:00
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go pingvin.Monitor(2)
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2023-01-29 23:31:21 +02:00
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listen()
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2023-01-28 23:28:37 +02:00
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}
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