111 lines
2.9 KiB
JavaScript
111 lines
2.9 KiB
JavaScript
require('dotenv').config()
|
|
const express = require("express");
|
|
var crypto = require('crypto');
|
|
const { finished } = require("stream");
|
|
const uuid = require("uuid");
|
|
const axios = require("axios");
|
|
const path = require("path")
|
|
const { WebSocketServer } = require("ws");
|
|
const { request } = require("http");
|
|
|
|
const PORT_WEB = 6968;
|
|
const PORT_WSS = 6980;
|
|
|
|
const app = express();
|
|
const wss = new WebSocketServer({ port: PORT_WSS });
|
|
console.log(`Websocket listening on port ${PORT_WSS}`);
|
|
|
|
let jobs = {
|
|
queued: {},
|
|
waiting: {},
|
|
finished: {}
|
|
}
|
|
|
|
let nodeIndex = 0;
|
|
let nodes = {};
|
|
|
|
app.use(express.json());
|
|
|
|
app.get('/', (req, res) => {
|
|
res.send('Job handling server')
|
|
})
|
|
|
|
app.use('/example', express.static(path.join(__dirname, 'example')));
|
|
|
|
app.get('/jobs', (req, res) => {
|
|
let queued = Object.values(jobs['queued']);
|
|
|
|
res.json(
|
|
{
|
|
'jobs': {
|
|
'queued': { 'count': queued.length, 'items': queued },
|
|
}
|
|
}
|
|
);
|
|
});
|
|
|
|
function ResolveJob(result){
|
|
let jobId = result["jobId"];
|
|
console.log(`Completed Job ${jobId}`);
|
|
delete jobs['queued'][jobId];
|
|
return result;
|
|
}
|
|
|
|
app.post("/jobs", async (req, res) => {
|
|
const data = req.body;
|
|
let jobId = uuid.v4();
|
|
|
|
jobs['queued'][jobId] = req.body;
|
|
jobs['queued'][jobId]['jobId'] = jobId;
|
|
console.log(`Queued Job ${jobId}`);
|
|
let nodes = Array.from(wss.clients);
|
|
nodeIndex = (nodeIndex + 1) % nodes.length;
|
|
var client = nodes[nodeIndex];
|
|
if(!client) {
|
|
res.status(503).json({ 'message': 'No render nodes available', 'jobId': jobId });
|
|
return;
|
|
}
|
|
client.send(JSON.stringify({"job": req.body}));
|
|
let response = new Promise(function (resolve, reject){
|
|
jobs['queued'][jobId]['promise'] = {resolve: resolve, reject: reject};
|
|
});
|
|
console.log(`Sent job to node ${nodeIndex+1}/${nodes.length} `, client.nodeID);
|
|
let result = await response.then(ResolveJob)
|
|
res.json({ 'jobId': jobId, "path": result["path"] });
|
|
});
|
|
|
|
wss.on('connection', function connection(ws) {
|
|
var nodeID = uuid.v4();
|
|
ws.nodeID = nodeID;
|
|
nodes[nodeID] = ws
|
|
console.log("New connection from", nodeID)
|
|
ws.on('error', console.error);
|
|
|
|
ws.on('message', function message(data) {
|
|
let request = JSON.parse(data);
|
|
|
|
if(request["register"]){
|
|
if(request["register"]["auth_key"] !== process.env.NODE_AUTH_KEY) {
|
|
console.log("INVALID AUTH KEY. Disconnecting ", nodeID);
|
|
ws.close(4000, "Invalid auth key");
|
|
return;
|
|
}
|
|
ws.send(JSON.stringify({"welcome": { "clientId": nodeID }}));
|
|
console.log("Node registered", nodeID);
|
|
}
|
|
|
|
if(request["result"]) {
|
|
let jobResult = request["result"]
|
|
jobs['queued'][jobResult["jobId"]]['promise'].resolve(jobResult);
|
|
}
|
|
});
|
|
ws.on('close', function(reasonCode, description) {
|
|
console.log(`Node ${ws.nodeID} disconnected.`);
|
|
delete nodes[ws.nodeID]
|
|
});
|
|
});
|
|
|
|
|
|
app.listen(PORT_WEB, () => {
|
|
console.log(`Job Server API running on ${PORT_WEB}`);
|
|
}) |