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@@ -1,131 +0,0 @@
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-//go:build ignore
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-// +build ignore
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-
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-package main
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-
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-import (
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- "flag"
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- "html/template"
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- "log"
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- "net/http"
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-
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- "github.com/gorilla/websocket"
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-)
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-
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-var addr = flag.String("addr", "127.0.0.1:10808", "http service address")
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-
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-var upgrader = websocket.Upgrader{} // use default options
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-
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-func echo(w http.ResponseWriter, r *http.Request) {
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- c, err := upgrader.Upgrade(w, r, nil)
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- if err != nil {
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- log.Print("upgrade:", err)
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- return
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- }
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- defer c.Close()
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- for {
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- mt, message, err := c.ReadMessage()
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- if err != nil {
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- log.Println("read:", err)
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- break
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- }
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- log.Printf("recv: %s", message)
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- err = c.WriteMessage(mt, message)
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- if err != nil {
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- log.Println("write:", err)
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- break
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- }
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- }
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-}
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-
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-func home(w http.ResponseWriter, r *http.Request) {
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- homeTemplate.Execute(w, "ws://"+r.Host+"/echo")
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-}
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-
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-func main() {
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- flag.Parse()
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- log.SetFlags(0)
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- http.HandleFunc("/echo", echo)
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- http.HandleFunc("/", home)
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- log.Fatal(http.ListenAndServe(*addr, nil))
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-}
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-
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-var homeTemplate = template.Must(template.New("").Parse(`
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-<!DOCTYPE html>
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-<html>
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-<head>
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-<meta charset="utf-8">
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-<script>
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-window.addEventListener("load", function(evt) {
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-
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- var output = document.getElementById("output");
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- var input = document.getElementById("input");
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- var ws;
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-
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- var print = function(message) {
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- var d = document.createElement("div");
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- d.textContent = message;
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- output.appendChild(d);
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- output.scroll(0, output.scrollHeight);
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- };
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-
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- document.getElementById("open").onclick = function(evt) {
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- if (ws) {
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- return false;
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- }
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- ws = new WebSocket("{{.}}");
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- ws.onopen = function(evt) {
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- print("OPEN");
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- }
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- ws.onclose = function(evt) {
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- print("CLOSE");
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- ws = null;
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- }
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- ws.onmessage = function(evt) {
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- print("RESPONSE: " + evt.data);
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- }
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- ws.onerror = function(evt) {
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- print("ERROR: " + evt.data);
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- }
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- return false;
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- };
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-
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- document.getElementById("send").onclick = function(evt) {
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- if (!ws) {
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- return false;
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- }
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- print("SEND: " + input.value);
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- ws.send(input.value);
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- return false;
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- };
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-
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- document.getElementById("close").onclick = function(evt) {
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- if (!ws) {
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- return false;
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- }
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- ws.close();
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- return false;
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- };
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-
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-});
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-</script>
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-</head>
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-<body>
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-<table>
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-<tr><td valign="top" width="50%">
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-<p>Click "Open" to create a connection to the server,
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-"Send" to send a message to the server and "Close" to close the connection.
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-You can change the message and send multiple times.
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-<p>
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-<form>
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-<button id="open">Open</button>
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-<button id="close">Close</button>
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-<p><input id="input" type="text" value="Hello world!">
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-<button id="send">Send</button>
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-</form>
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-</td><td valign="top" width="50%">
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-<div id="output" style="max-height: 70vh;overflow-y: scroll;"></div>
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-</td></tr></table>
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-</body>
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-</html>
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-`))
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