178 lines
4.4 KiB
HTML
178 lines
4.4 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
|
|
<head>
|
|
<link rel="stylesheet" href="xterm.css" />
|
|
<script src="xterm.js"></script>
|
|
<script src="xterm-addon-fit.js"></script>
|
|
<script src="jquery.js"></script>
|
|
</head>
|
|
<style>
|
|
body {
|
|
font-family: sans;
|
|
}
|
|
</style>
|
|
|
|
<body>
|
|
<div id="terminal" style="height: 90vh"></div>
|
|
<input type="text" id="line" style="width: 50%"></input>
|
|
|
|
<select id="eol">
|
|
<option value="cr">CR</option>
|
|
<option value="lf">LF</option>
|
|
<option value="crlf">CR/LF</option>
|
|
<option value="none">None</option>
|
|
<option value="hex">Hex</option>
|
|
</select>
|
|
|
|
|
|
<button id="sendbtn" type="button">SEND</button>
|
|
<input type="checkbox" id="echo" checked>Echo</input>
|
|
<button type="button" id="clear">CLEAR</button>
|
|
<br>
|
|
<span id="status">Connecting...</span>
|
|
|
|
<script>
|
|
var line_items = [];
|
|
var idx = -1;
|
|
|
|
function parseHexString(str) {
|
|
str = str.replace("0x", "");
|
|
str = str.replace(" ", "");
|
|
|
|
var result = [];
|
|
while (str.length >= 2) {
|
|
result.push(parseInt(str.substring(0, 2), 16));
|
|
str = str.substring(2, str.length);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function sendLine() {
|
|
var line = document.querySelector("#line").value;
|
|
var type = document.querySelector("#eol").value;
|
|
var echo = document.querySelector("#echo").checked;
|
|
|
|
if (!line_items.includes(line)) {
|
|
line_items.push(line)
|
|
idx = line_items.length - 1
|
|
}
|
|
|
|
if (type == "cr") line += "\r"
|
|
else if (type == "lf") line += "\n"
|
|
else if (type == "crlf") line += "\r\n"
|
|
else if (type == "hex") {
|
|
line = parseHexString(line)
|
|
}
|
|
if (echo)
|
|
term.write(line)
|
|
|
|
socket.send(line)
|
|
|
|
}
|
|
document.querySelector("#clear").onclick = event => {
|
|
term.clear();
|
|
}
|
|
document.querySelector("#sendbtn").onclick = event => {
|
|
sendLine();
|
|
}
|
|
document.querySelector("#line").addEventListener("keydown", event => {
|
|
if (event.key == "ArrowUp") {
|
|
console.log(idx)
|
|
if (line_items.length - 1 == idx) idx--;
|
|
|
|
event.srcElement.value = line_items[idx]
|
|
if (idx > 0) idx--;
|
|
|
|
}
|
|
if (event.key == "ArrowDown") {
|
|
console.log(idx)
|
|
|
|
if (idx < line_items.length - 1) {
|
|
idx++;
|
|
}
|
|
event.srcElement.value = line_items[idx]
|
|
}
|
|
|
|
if (event.key !== "Enter") return;
|
|
|
|
sendLine();
|
|
|
|
event.preventDefault(); // No need to `return false;`.
|
|
});
|
|
|
|
var term = new Terminal({ cursorBlink: true, convertEol: true });
|
|
var fitAddon = new FitAddon.FitAddon();
|
|
term.loadAddon(fitAddon);
|
|
var socket;
|
|
|
|
function createSocket() {
|
|
if (socket && !socket.replacementCreated) {
|
|
socket.close();
|
|
}
|
|
|
|
socket = new WebSocket("ws://" + window.location.host + "/ws/rtt");
|
|
socket.binaryType = 'arraybuffer';
|
|
socket.replacementCreated = false;
|
|
|
|
socket.ontimeout = function () {
|
|
if (socket.readyState == WebSocket.OPEN) {
|
|
socket.send('');
|
|
}
|
|
};
|
|
|
|
socket.onopen = function (event) {
|
|
$("#status").text("Connected");
|
|
if (firstConnection) {
|
|
term.write("\x1B[1;3;31m[Websocket] Connection established\x1B[0m\r\n");
|
|
} else {
|
|
term.write("[Websocket] Connection reestablished\n");
|
|
}
|
|
firstConnection = false;
|
|
};
|
|
|
|
socket.onmessage = function (event) {
|
|
term.write(new Uint8Array(event.data));
|
|
};
|
|
|
|
socket.onerror = function (event) {
|
|
socket.close();
|
|
}
|
|
|
|
socket.onclose = function (event) {
|
|
socket.onerror = undefined;
|
|
socket.onclose = undefined;
|
|
if (event.wasClean) {
|
|
$("#status").text("Connection closed");
|
|
} else {
|
|
$("#status").text("Reconnecting...");
|
|
}
|
|
clearInterval(socket.intervalId);
|
|
if (!socket.replacementCreated) {
|
|
socket.replacementCreated = true;
|
|
createSocket();
|
|
} else {
|
|
console.log("a replacement socket was already being created -- skipping");
|
|
}
|
|
};
|
|
|
|
socket.intervalId = setInterval(socket.ontimeout, 2000, socket);
|
|
}
|
|
|
|
createSocket();
|
|
|
|
term.open(document.getElementById('terminal'));
|
|
|
|
term.onData(chunk => {
|
|
socket.send(chunk)
|
|
})
|
|
fitAddon.activate(term)
|
|
fitAddon.fit()
|
|
term.focus()
|
|
|
|
window.addEventListener('resize', () => { fitAddon.fit() });
|
|
|
|
</script>
|
|
</body>
|
|
|
|
</html> |