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protocol: use binary message

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Shuanglei Tao
2017-11-23 22:01:22 +08:00
parent e9ac6dd972
commit 47ba5daa12
8 changed files with 90 additions and 209 deletions
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39
html/js/app.js
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@@ -8,18 +8,30 @@
term, pingTimer, wsError;
var openWs = function() {
var ws = new WebSocket(url, protocols);
var ws = new WebSocket(url, protocols),
textDecoder = new TextDecoder(),
textEncoder = new TextEncoder();
var unloadCallback = function(event) {
var message = 'Close terminal? this will also terminate the command.';
(event || window.event).returnValue = message;
return message;
};
var sendMessage = function (msg) {
if (ws.readyState === WebSocket.OPEN) {
ws.send(textEncoder.encode(msg));
}
};
var sendPing = function() {
sendMessage("1");
};
ws.onopen = function(event) {
ws.binaryType = 'arraybuffer';
ws.onopen = function() {
console.log("Websocket connection opened");
wsError = false;
ws.send(JSON.stringify({AuthToken: authToken}));
pingTimer = setInterval(sendPing, 30 * 1000, ws);
sendMessage(JSON.stringify({AuthToken: authToken}));
pingTimer = setInterval(sendPing, 30 * 1000);
if (typeof term !== 'undefined') {
term.destroy();
@@ -28,18 +40,14 @@
term = new Terminal();
term.on('resize', function(size) {
if (ws.readyState === WebSocket.OPEN) {
ws.send("2" + JSON.stringify({columns: size.cols, rows: size.rows}));
}
sendMessage("2" + JSON.stringify({columns: size.cols, rows: size.rows}));
setTimeout(function() {
term.showOverlay(size.cols + 'x' + size.rows);
}, 500);
});
term.on("data", function(data) {
if (ws.readyState === WebSocket.OPEN) {
ws.send("0" + data);
}
sendMessage("0" + data);
});
term.on('open', function() {
@@ -62,10 +70,11 @@
};
ws.onmessage = function(event) {
var data = event.data.slice(1);
switch(event.data[0]) {
var cmd = String.fromCharCode(new DataView(event.data).getUint8()),
data = textDecoder.decode(event.data.slice(1));
switch(cmd) {
case '0':
term.writeUTF8(window.atob(data));
term.write(data);
break;
case '1': // pong
break;
@@ -104,9 +113,5 @@
};
};
var sendPing = function(ws) {
ws.send("1");
};
openWs();
})();