69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
var gateway = `ws://${window.location.hostname}/ws`;
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var websocket;
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window.addEventListener("load", onLoad);
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function initWebSocket() {
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console.log("Trying to open a WebSocket connection...");
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websocket = new WebSocket(gateway);
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websocket.onopen = onOpen;
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websocket.onclose = onClose;
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websocket.onmessage = onMessage; // <-- add this line
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}
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function initButtons() {
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document
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.getElementById("btn-ws-stop")
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.addEventListener("click", livedebug_stop);
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document
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.getElementById("btn-ws-start")
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.addEventListener("click", livedebug_start);
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}
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function onOpen(event) {
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console.log("Connection opened");
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}
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function onClose(event) {
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console.log("Connection closed");
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setTimeout(initWebSocket, 2000);
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}
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function onMessage(event) {
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var livedebug_out = document.getElementById("livedebug-out");
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var textarea_heigth = livedebug_out.scrollHeight;
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livedebug_out.value += event.data;
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livedebug_out.scrollTop = livedebug_out.scrollHeight;
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do_resize(livedebug_out);
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}
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function onLoad(event) {
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initWebSocket();
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initButtons();
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}
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function livedebug_start() {
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websocket.send("start");
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}
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function livedebug_stop() {
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websocket.send("stop");
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}
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function do_resize(textbox) {
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var maxrows = 15;
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var minrows = 3;
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var txt = textbox.value;
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var cols = textbox.cols;
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var arraytxt = txt.split("\n");
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var rows = arraytxt.length;
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for (i = 0; i < arraytxt.length; i++)
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rows += parseInt(arraytxt[i].length / cols);
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if (rows > maxrows) textbox.rows = maxrows;
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else if (rows < minrows) textbox.rows = minrows;
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else textbox.rows = rows;
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}
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