// Copyright 2015 The Gorilla WebSocket Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build ignore // +build ignore package main import ( "encoding/json" "flag" "log" "net/http" "time" "github.com/gorilla/websocket" ) var addr = flag.String("addr", "localhost:8080", "http service address") var upgrader = websocket.Upgrader{ ReadBufferSize: 2048, WriteBufferSize: 2048, } type Pixel struct { X uint16 `json:"x"` Y uint16 `json:"y"` Color uint8 `json:"color"` Timestamp int64 `json:"timestamp"` UserID uint64 `json:"userid"` } func JsonToStruct(input []byte) Pixel { pixel := Pixel{} json.Unmarshal(input, &pixel) return pixel } func serve(w http.ResponseWriter, r *http.Request) { c, err := upgrader.Upgrade(w, r, nil) if err != nil { log.Print("error while upgrading", err) return } defer c.Close() for { mt, message, err := c.ReadMessage() if err != nil { //log.Println("read:", err) break } pixel := JsonToStruct(message) tm := time.Unix(pixel.Timestamp, 0) log.Println(tm) err = c.WriteMessage(mt, message) if err != nil { //log.Println("write:", err) break } } } func main() { flag.Parse() log.SetFlags(0) http.HandleFunc("/", serve) log.Fatal(http.ListenAndServe(*addr, nil)) }