/
cabinet.js
81 lines (65 loc) · 1.77 KB
/
cabinet.js
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const WebSocket = require("ws");
const moment = require("moment");
const keepAliveInterval = 5000;
const port = process.argv[2] ? process.argv[2] : 12749;
const wss = new WebSocket.Server({ port });
const fs = require("fs");
const file = "sample_cabinet_events/events.txt";
// const file = "sample_cabinet_events/events-short-test.txt";
let aliveTimer = null;
var clients = [];
wss.on("connection", ws => {
clients.push(ws);
ws.on("message", message => {
// console.log(message);
});
ws.on("close", () => {
// Should kill client here from client list
});
});
aliveTimer = setInterval(() => {
aliveMessage();
}, keepAliveInterval);
function aliveMessage() {
let message = `${moment.now()} = ![k[alive],v[${moment().format(
"h:mm:ss A"
)}]]!`;
// console.log(message);
clients.map(client => {
if (client.readyState === WebSocket.OPEN) {
client.send(message);
}
});
}
function parseTimestamp(line) {
return parseInt(line);
}
function parseFileLines(wss, file) {
fs.readFile(file, "utf8", function(err, content) {
var lines = content.split("\n");
let timeout = 0;
lines.map(function(line, i) {
if (i != 0 && line != "") {
let tm = parseTimestamp(lines[i - 1]);
let ntm = parseInt(line);
timeout = timeout + (ntm - tm);
} else if (line == "") {
setTimeout(function() {
parseFileLines(wss, file);
}, timeout + 1000);
}
if (line != "") {
setTimeout(function() {
// Disabled unless debugging
console.log(line);
clients.map(client => {
if (client.readyState === WebSocket.OPEN) {
client.send(line);
}
});
}, timeout);
}
});
});
}
parseFileLines(wss, file);