-<!DOCTYPE html>
+<!doctype html>
<html>
-<title>Websocket example</title>
-
+<head>
+<meta charset="utf-8"/>
+<title>IID Coffee Terminal</title>
<script>
- var socket = new WebSocket(
- "ws://" + document.domain + ':' + location.port,
- "merica-terminal-protocol"
- );
-
- function update(id, msg) {
- document.getElementById(id).innerHTML = msg;
+ function loadServerScript() {
+ let script = document.createElement('script');
+ script.src = "http://localhost:5000/js";
+ document.head.append(script);
+ script.onerror = function() {
+ this.parentElement.removeChild(this);
+ setTimeout(loadServerScript, 10000);
+ };
}
- socket.onopen = function() {
- console.log("socket open");
- update("text", "open");
- }
+ loadServerScript();
+
+ var socket;
+
+ function connect() {
+ console.log("connecting...");
+ socket = new WebSocket(
+ "ws://" + document.domain + ':' + location.port,
+ "merica-terminal-protocol"
+ );
+
+ socket.onopen = function() {
+ console.log("socket open");
+ document.getElementById("inputStatus").innerHTML = "connected";
+ }
+
+ socket.onclose = function() {
+ console.log("socket closed");
+ document.getElementById("inputStatus").innerHTML = "disconnected";
+ delete socket;
+ setTimeout(connect, 10000);
+ }
- socket.onclose = function() {
- console.log("socket close");
- update("text", "closed");
+ socket.onmessage = function(msg) {
+ updateJSONmsg(msg.data);
+ if (typeof updateRemote === "function") {
+ updateRemote(msg.data);
+ } else {
+ if (localStorage) {
+ var now = Date.now();
+ localStorage.setItem(now, msg.data);
+ console.log(now + ": " + msg.data);
+ }
+ }
+ }
}
- socket.onmessage = function(json) {
- var msg = JSON.parse(json.data);
+ connect();
+
+ function updateJSONmsg(msg) {
+ document.getElementById("localJSON").innerHTML = msg;
+ }
+ function printLocalStorage() {
+ var output = "";
+ if (localStorage) {
+ if (localStorage.length) {
+ for (var i = 0; i < localStorage.length; i++) {
+ output += localStorage.key(i) + ': ' + localStorage.getItem(localStorage.key(i)) + '<br>';
+ }
+ } else {
+ output += "nobody here anymore!";
+ }
+ } else {
+ output += "localStorage not supported";
+ }
- update("json", "json: " + JSON.stringify(msg))
+ updateJSONmsg(output);
+ }
- switch(msg.type) {
- case "empty":
- update("text","");
- break;
- case "rfid":
- update("text",
- "uid: " + msg.uid + "<br>" +
- "card type: " + msg.card_type + "<br>" +
- "uid size: " + msg.size + " bytes<br>" +
- "sak: " + msg.sak
- );
- break;
+ function clearLocalStorage() {
+ if (localStorage) {
+ localStorage.clear();
}
}
console.log("close");
}
</script>
-
+</head>
<body>
+ <center>
+ <h1>IID Coffee Terminal</h1>
+ </center>
-<button onclick="sendReset()">reset</button>
-<span style="display:inline-block; width: 20pt;"></span>
-<button onclick="sendClose()">close</button>
-
-<p id="time">time.is
- <a href="https://time.is/" id="time_is_link" rel="nofollow"></a>
- <span id="Czechia_z721"></span>
- <script src="//widget.time.is/t.js"></script>
- <script>time_is_widget.init({Czechia_z721:{}});</script>
-</p>
+<div id="remote"><center>No data from server.</center></div>
-<p id="json"></p>
-<p id="text"></p>
+<div id="local">
+ <hr>
+ <center>
+ <h2>Debug area</h2>
+ <button onclick="sendReset()">reset</button>
+ <span style="display:inline-block; width: 20pt;"></span>
+ <button onclick="sendClose()">close</button>
+ <span style="display:inline-block; width: 20pt;"></span>
+ <button onclick="printLocalStorage()">storage</button>
+ <span style="display:inline-block; width: 20pt;"></span>
+ <button onclick="clearLocalStorage()">clear</button>
+ <span style="display:inline-block; width: 20pt;"></span>
+ <button onclick="location.reload()">reload</button>
+ <p>Input: <span id="inputStatus"></span>, JSON message: <span id="localJSON">no data received</span></p>
+ </center>
+ <hr>
+</div>
</body>
</html>
projects / coffee / mt-apps.git / blobdiff