main.go

package main

import (
	"fmt"
	"github.com/gorilla/websocket"
	"log"
	"net/http"
)

// We'll need to define an Upgrader
// this will require a Read and Write buffer size

var upgrader = websocket.Upgrader{
	ReadBufferSize:  1024,
	WriteBufferSize: 1024,
}

func home(w http.ResponseWriter, r *http.Request) {
	fmt.Println(w, "Home")
}

func wsEndpoint(w http.ResponseWriter, r *http.Request) {
	//fmt.Println(w, "Hello Devs!")
	upgrader.CheckOrigin = func(r *http.Request) bool { return true }

	// upgrade this connection to a WebSocket
	// connection
	ws, err := upgrader.Upgrade(w, r, nil)
	if err != nil {
		log.Println(err)
	}

	log.Println("Connected established!")

	reader(ws)

}

func reader(conn *websocket.Conn) {
	for {
		// read in a message
		messageType, p, err := conn.ReadMessage()
		if err != nil {
			log.Println(err)
			return
		}

		// Echo

		if err := conn.WriteMessage(messageType, p); err != nil {
			log.Println(err)
			return
		}

	}
}

func setupRoutes() {
	http.HandleFunc("/", home)
	http.HandleFunc("/ws", wsEndpoint)
}

func main() {
	fmt.Println("Hello World")
	setupRoutes()
	log.Fatal(http.ListenAndServe(":8001", nil))
}