The image API no longer uses a unique thread for each job (due to image processing using its own thread anyway), added dummy DB driver
This commit is contained in:
parent
7b64c4ca2a
commit
55da0db479
254
api/index.js
254
api/index.js
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@ -2,7 +2,6 @@
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require("dotenv").config();
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const os = require("os");
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const { Worker, isMainThread, parentPort } = require("worker_threads");
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const magick = require("../utils/image.js");
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const execPromise = require("util").promisify(require("child_process").exec);
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const net = require("net");
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@ -10,8 +9,8 @@ const dgram = require("dgram"); // for UDP servers
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const socket = dgram.createSocket("udp4"); // Our universal UDP socket, this might cause issues and we may have to use a seperate socket for each connection
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const start = process.hrtime();
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const log = (msg, thread) => {
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console.log(`[${process.hrtime(start)[1] / 1000000}${(thread)?`:${thread}`:""}]\t ${msg}`);
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const log = (msg) => {
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console.log(`[${process.hrtime(start)[1] / 1000000}]\t ${msg}`);
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};
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const jobs = {};
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@ -19,156 +18,147 @@ const jobs = {};
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const queue = [];
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// Array of UUIDs
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if (isMainThread) {
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const { v4: uuidv4 } = require("uuid");
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let cpuLoad = 0;
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const { v4: uuidv4 } = require("uuid");
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let cpuLoad = 0;
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const getAverage = () => {
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const cpus = os.cpus();
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let idle = 0;
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let tick = 0;
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for (const cpu of cpus) {
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for (const type in cpu.times) {
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tick += cpu.times[type];
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}
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idle += cpu.times.idle;
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const getAverage = () => {
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const cpus = os.cpus();
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let idle = 0;
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let tick = 0;
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for (const cpu of cpus) {
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for (const type in cpu.times) {
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tick += cpu.times[type];
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}
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return {
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idle: idle / cpus.length,
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tick: tick / cpus.length
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};
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idle += cpu.times.idle;
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}
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return {
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idle: idle / cpus.length,
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tick: tick / cpus.length
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};
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};
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let measure = getAverage();
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setInterval(() => {
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const newMeasure = getAverage();
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const idleDiff = newMeasure.idle - measure.idle;
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const tickDiff = newMeasure.tick - measure.tick;
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cpuLoad = 100 - ~~(100 * idleDiff / tickDiff);
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measure = newMeasure;
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}, 5000);
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let measure = getAverage();
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setInterval(() => {
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const newMeasure = getAverage();
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const idleDiff = newMeasure.idle - measure.idle;
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const tickDiff = newMeasure.tick - measure.tick;
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cpuLoad = 100 - ~~(100 * idleDiff / tickDiff);
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measure = newMeasure;
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}, 5000);
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const MAX_WORKERS = process.env.WORKERS !== "" ? parseInt(process.env.WORKERS) : os.cpus().length * 4; // Completely arbitrary, should usually be some multiple of your amount of cores
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let workingWorkers = 0;
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const MAX_JOBS = process.env.JOBS !== "" && process.env.JOBS !== undefined ? parseInt(process.env.JOBS) : os.cpus().length * 4; // Completely arbitrary, should usually be some multiple of your amount of cores
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let jobAmount = 0;
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const acceptJob = (uuid) => {
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workingWorkers++;
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queue.shift();
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const worker = new Worker(__filename);
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log(`Spawned worker ${uuid}`);
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worker.once("error", err => {
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console.error(`Error on worker ${uuid}:`, err);
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socket.send(Buffer.concat([Buffer.from([0x2]), Buffer.from(uuid), Buffer.from(err.toString())]), jobs[uuid].port, jobs[uuid].addr);
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});
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worker.once("exit", (code) => {
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workingWorkers--;
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if (queue.length > 0) {
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acceptJob(queue[0]);
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delete jobs[uuid];
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}
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if (code === 0) {
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log(`Worker ${uuid} successfully exited`);
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} else {
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console.error(`Worker ${uuid} stopped with exit code ${code}`);
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}
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});
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worker.postMessage({
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const acceptJob = async (uuid) => {
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jobAmount++;
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queue.shift();
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try {
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await runJob({
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uuid: uuid,
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msg: jobs[uuid].msg,
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addr: jobs[uuid].addr,
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port: jobs[uuid].port,
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threadNum: workingWorkers
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port: jobs[uuid].port
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});
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};
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jobAmount--;
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if (queue.length > 0) {
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acceptJob(queue[0]);
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}
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delete jobs[uuid];
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log(`Job ${uuid} has finished`);
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} catch (err) {
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console.error(`Error on job ${uuid}:`, err);
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socket.send(Buffer.concat([Buffer.from([0x2]), Buffer.from(uuid), Buffer.from(err.toString())]), jobs[uuid].port, jobs[uuid].addr);
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jobAmount--;
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if (queue.length > 0) {
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acceptJob(queue[0]);
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}
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delete jobs[uuid];
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}
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};
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const server = dgram.createSocket("udp4"); //Create a UDP server for listening to requests, we dont need tcp
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server.on("message", (msg, rinfo) => {
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const opcode = msg.readUint8(0);
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const req = msg.toString().slice(1,msg.length);
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// 0x0 == Cancel job
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// 0x1 == Queue job
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// 0x2 == Get CPU usage
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if (opcode == 0x0) {
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queue.shift();
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delete jobs[req];
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} else if (opcode == 0x1) {
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const job = { addr: rinfo.address, port: rinfo.port, msg: req };
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const uuid = uuidv4();
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jobs[uuid] = job;
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queue.push(uuid);
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const server = dgram.createSocket("udp4"); //Create a UDP server for listening to requests, we dont need tcp
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server.on("message", (msg, rinfo) => {
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const opcode = msg.readUint8(0);
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const req = msg.toString().slice(1,msg.length);
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// 0x0 == Cancel job
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// 0x1 == Queue job
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// 0x2 == Get CPU usage
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if (opcode == 0x0) {
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delete queue[queue.indexOf(req) - 1];
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delete jobs[req];
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} else if (opcode == 0x1) {
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const job = { addr: rinfo.address, port: rinfo.port, msg: req };
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const uuid = uuidv4();
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jobs[uuid] = job;
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queue.push(uuid);
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if (workingWorkers < MAX_WORKERS) {
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log(`Got request for job ${job.msg} with id ${uuid}`, job.threadNum);
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acceptJob(uuid);
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} else {
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log(`Got request for job ${job.msg} with id ${uuid}, queued in position ${queue.indexOf(uuid)}`, job.threadNum);
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}
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const newBuffer = Buffer.concat([Buffer.from([0x0]), Buffer.from(uuid)]);
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socket.send(newBuffer, rinfo.port, rinfo.address);
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} else if (opcode == 0x2) {
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socket.send(Buffer.concat([Buffer.from([0x3]), Buffer.from(cpuLoad.toString())]), rinfo.port, rinfo.address);
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if (jobAmount < MAX_JOBS) {
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log(`Got request for job ${job.msg} with id ${uuid}`, job.threadNum);
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acceptJob(uuid);
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} else {
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log("Could not parse message");
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log(`Got request for job ${job.msg} with id ${uuid}, queued in position ${queue.indexOf(uuid)}`, job.threadNum);
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}
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});
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server.on("listening", () => {
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const address = server.address();
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log(`server listening ${address.address}:${address.port}`);
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});
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const newBuffer = Buffer.concat([Buffer.from([0x0]), Buffer.from(uuid)]);
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socket.send(newBuffer, rinfo.port, rinfo.address);
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} else if (opcode == 0x2) {
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socket.send(Buffer.concat([Buffer.from([0x3]), Buffer.from(cpuLoad.toString())]), rinfo.port, rinfo.address);
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} else {
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log("Could not parse message");
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}
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});
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server.bind(8080); // ATTENTION: Always going to be bound to 0.0.0.0 !!!
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} else {
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parentPort.once("message", async (job) => {
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log(`${job.uuid} worker started`, job.threadNum);
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server.on("listening", () => {
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const address = server.address();
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log(`server listening ${address.address}:${address.port}`);
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});
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const object = JSON.parse(job.msg);
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let type;
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if (object.path) {
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type = object.type;
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if (!object.type) {
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type = await magick.getType(object.path);
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}
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if (!type) {
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throw new TypeError("Unknown image type");
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}
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object.type = type.split("/")[1];
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if (object.type !== "gif" && object.onlyGIF) throw new TypeError(`Expected a GIF, got ${object.type}`);
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object.delay = object.delay ? object.delay : 0;
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server.bind(8080); // ATTENTION: Always going to be bound to 0.0.0.0 !!!
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const runJob = async (job) => {
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log(`Job ${job.uuid} started`, job.threadNum);
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const object = JSON.parse(job.msg);
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let type;
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if (object.path) {
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type = object.type;
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if (!object.type) {
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type = await magick.getType(object.path);
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}
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if (!type) {
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throw new TypeError("Unknown image type");
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}
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object.type = type.split("/")[1];
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if (object.type !== "gif" && object.onlyGIF) throw new TypeError(`Expected a GIF, got ${object.type}`);
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object.delay = object.delay ? object.delay : 0;
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}
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if (object.type === "gif" && !object.delay) {
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const delay = (await execPromise(`ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate ${object.path}`)).stdout.replace("\n", "");
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object.delay = (100 / delay.split("/")[0]) * delay.split("/")[1];
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}
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if (object.type === "gif" && !object.delay) {
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const delay = (await execPromise(`ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate ${object.path}`)).stdout.replace("\n", "");
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object.delay = (100 / delay.split("/")[0]) * delay.split("/")[1];
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}
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const data = await magick.run(object, true);
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const data = await magick.run(object, true);
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log(`${job.uuid} is done`, job.threadNum);
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const server = net.createServer(function(tcpSocket) {
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tcpSocket.write(Buffer.concat([Buffer.from(type ? type : "image/png"), Buffer.from("\n"), data]), (err) => {
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if (err) console.error(err);
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tcpSocket.end(() => {
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server.close();
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});
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log(`Sending result of job ${job.uuid} back to the bot`, job.threadNum);
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const server = net.createServer(function(tcpSocket) {
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tcpSocket.write(Buffer.concat([Buffer.from(type ? type : "image/png"), Buffer.from("\n"), data]), (err) => {
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if (err) console.error(err);
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tcpSocket.end(() => {
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server.close();
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});
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});
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server.listen(job.port, job.addr);
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// handle address in use errors
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server.on("error", (e) => {
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if (e.code === "EADDRINUSE") {
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console.log("Address in use, retrying...");
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setTimeout(() => {
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server.close();
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server.listen(job.port, job.addr);
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}, 500);
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}
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});
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socket.send(Buffer.concat([Buffer.from([0x1]), Buffer.from(job.uuid), Buffer.from(job.port.toString())]), job.port, job.addr, () => {
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socket.close();
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});
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});
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}
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server.listen(job.port, job.addr);
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// handle address in use errors
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server.on("error", (e) => {
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if (e.code === "EADDRINUSE") {
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log("Address in use, retrying...", job.threadNum);
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setTimeout(() => {
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server.close();
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server.listen(job.port, job.addr);
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}, 500);
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}
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});
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socket.send(Buffer.concat([Buffer.from([0x1]), Buffer.from(job.uuid), Buffer.from(job.port.toString())]), job.port, job.addr);
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};
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@ -116,5 +116,6 @@
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"Open Fortress",
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"btw I use arch",
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"Friday Night Funkin'",
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"fgsfds"
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"fgsfds",
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"Doilus Stage"
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]
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@ -0,0 +1,26 @@
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// dummy (no-op) database handler
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const misc = require("../misc.js");
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exports.setup = async () => {};
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exports.stop = async () => {};
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exports.fixGuild = async () => {};
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exports.addCount = async () => {};
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exports.getCounts = async () => {
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return {};
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};
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exports.disableChannel = async () => {};
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exports.enableChannel = async () => {};
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exports.toggleTags = async () => {};
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exports.setTag = async () => {};
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exports.removeTag = async () => {};
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exports.setPrefix = async () => {};
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exports.addGuild = async (guild) => {
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return {
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id: guild.id,
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tags: misc.tagDefaults,
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prefix: process.env.PREFIX,
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disabled: [],
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tagsDisabled: false,
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};
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};
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exports.getGuild = exports.addGuild;
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@ -66,7 +66,7 @@ const checkImages = async (message) => {
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if (message.embeds[0].type === "gifv") {
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type = await getImage(message.embeds[0].video.url, message.embeds[0].url, true);
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// then we check for other image types
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} else if (message.embeds[0].type === "video" || message.embeds[0].type === "image") {
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} else if ((message.embeds[0].type === "video" || message.embeds[0].type === "image") && message.embeds[0].thumbnail) {
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type = await getImage(message.embeds[0].thumbnail.proxy_url, message.embeds[0].thumbnail.url);
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// finally we check both possible image fields for "generic" embeds
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} else if (message.embeds[0].type === "rich") {
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