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:
TheEssem 2021-01-06 16:10:31 -06:00
parent 7b64c4ca2a
commit 55da0db479
4 changed files with 151 additions and 134 deletions

View file

@ -2,7 +2,6 @@
require("dotenv").config();
const os = require("os");
const { Worker, isMainThread, parentPort } = require("worker_threads");
const magick = require("../utils/image.js");
const execPromise = require("util").promisify(require("child_process").exec);
const net = require("net");
@ -10,8 +9,8 @@ const dgram = require("dgram"); // for UDP servers
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
const start = process.hrtime();
const log = (msg, thread) => {
console.log(`[${process.hrtime(start)[1] / 1000000}${(thread)?`:${thread}`:""}]\t ${msg}`);
const log = (msg) => {
console.log(`[${process.hrtime(start)[1] / 1000000}]\t ${msg}`);
};
const jobs = {};
@ -19,156 +18,147 @@ const jobs = {};
const queue = [];
// Array of UUIDs
if (isMainThread) {
const { v4: uuidv4 } = require("uuid");
let cpuLoad = 0;
const { v4: uuidv4 } = require("uuid");
let cpuLoad = 0;
const getAverage = () => {
const cpus = os.cpus();
let idle = 0;
let tick = 0;
for (const cpu of cpus) {
for (const type in cpu.times) {
tick += cpu.times[type];
}
idle += cpu.times.idle;
const getAverage = () => {
const cpus = os.cpus();
let idle = 0;
let tick = 0;
for (const cpu of cpus) {
for (const type in cpu.times) {
tick += cpu.times[type];
}
return {
idle: idle / cpus.length,
tick: tick / cpus.length
};
idle += cpu.times.idle;
}
return {
idle: idle / cpus.length,
tick: tick / cpus.length
};
};
let measure = getAverage();
setInterval(() => {
const newMeasure = getAverage();
const idleDiff = newMeasure.idle - measure.idle;
const tickDiff = newMeasure.tick - measure.tick;
cpuLoad = 100 - ~~(100 * idleDiff / tickDiff);
measure = newMeasure;
}, 5000);
let measure = getAverage();
setInterval(() => {
const newMeasure = getAverage();
const idleDiff = newMeasure.idle - measure.idle;
const tickDiff = newMeasure.tick - measure.tick;
cpuLoad = 100 - ~~(100 * idleDiff / tickDiff);
measure = newMeasure;
}, 5000);
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
let workingWorkers = 0;
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
let jobAmount = 0;
const acceptJob = (uuid) => {
workingWorkers++;
queue.shift();
const worker = new Worker(__filename);
log(`Spawned worker ${uuid}`);
worker.once("error", err => {
console.error(`Error on worker ${uuid}:`, err);
socket.send(Buffer.concat([Buffer.from([0x2]), Buffer.from(uuid), Buffer.from(err.toString())]), jobs[uuid].port, jobs[uuid].addr);
});
worker.once("exit", (code) => {
workingWorkers--;
if (queue.length > 0) {
acceptJob(queue[0]);
delete jobs[uuid];
}
if (code === 0) {
log(`Worker ${uuid} successfully exited`);
} else {
console.error(`Worker ${uuid} stopped with exit code ${code}`);
}
});
worker.postMessage({
const acceptJob = async (uuid) => {
jobAmount++;
queue.shift();
try {
await runJob({
uuid: uuid,
msg: jobs[uuid].msg,
addr: jobs[uuid].addr,
port: jobs[uuid].port,
threadNum: workingWorkers
port: jobs[uuid].port
});
};
jobAmount--;
if (queue.length > 0) {
acceptJob(queue[0]);
}
delete jobs[uuid];
log(`Job ${uuid} has finished`);
} catch (err) {
console.error(`Error on job ${uuid}:`, err);
socket.send(Buffer.concat([Buffer.from([0x2]), Buffer.from(uuid), Buffer.from(err.toString())]), jobs[uuid].port, jobs[uuid].addr);
jobAmount--;
if (queue.length > 0) {
acceptJob(queue[0]);
}
delete jobs[uuid];
}
};
const server = dgram.createSocket("udp4"); //Create a UDP server for listening to requests, we dont need tcp
server.on("message", (msg, rinfo) => {
const opcode = msg.readUint8(0);
const req = msg.toString().slice(1,msg.length);
// 0x0 == Cancel job
// 0x1 == Queue job
// 0x2 == Get CPU usage
if (opcode == 0x0) {
queue.shift();
delete jobs[req];
} else if (opcode == 0x1) {
const job = { addr: rinfo.address, port: rinfo.port, msg: req };
const uuid = uuidv4();
jobs[uuid] = job;
queue.push(uuid);
const server = dgram.createSocket("udp4"); //Create a UDP server for listening to requests, we dont need tcp
server.on("message", (msg, rinfo) => {
const opcode = msg.readUint8(0);
const req = msg.toString().slice(1,msg.length);
// 0x0 == Cancel job
// 0x1 == Queue job
// 0x2 == Get CPU usage
if (opcode == 0x0) {
delete queue[queue.indexOf(req) - 1];
delete jobs[req];
} else if (opcode == 0x1) {
const job = { addr: rinfo.address, port: rinfo.port, msg: req };
const uuid = uuidv4();
jobs[uuid] = job;
queue.push(uuid);
if (workingWorkers < MAX_WORKERS) {
log(`Got request for job ${job.msg} with id ${uuid}`, job.threadNum);
acceptJob(uuid);
} else {
log(`Got request for job ${job.msg} with id ${uuid}, queued in position ${queue.indexOf(uuid)}`, job.threadNum);
}
const newBuffer = Buffer.concat([Buffer.from([0x0]), Buffer.from(uuid)]);
socket.send(newBuffer, rinfo.port, rinfo.address);
} else if (opcode == 0x2) {
socket.send(Buffer.concat([Buffer.from([0x3]), Buffer.from(cpuLoad.toString())]), rinfo.port, rinfo.address);
if (jobAmount < MAX_JOBS) {
log(`Got request for job ${job.msg} with id ${uuid}`, job.threadNum);
acceptJob(uuid);
} else {
log("Could not parse message");
log(`Got request for job ${job.msg} with id ${uuid}, queued in position ${queue.indexOf(uuid)}`, job.threadNum);
}
});
server.on("listening", () => {
const address = server.address();
log(`server listening ${address.address}:${address.port}`);
});
const newBuffer = Buffer.concat([Buffer.from([0x0]), Buffer.from(uuid)]);
socket.send(newBuffer, rinfo.port, rinfo.address);
} else if (opcode == 0x2) {
socket.send(Buffer.concat([Buffer.from([0x3]), Buffer.from(cpuLoad.toString())]), rinfo.port, rinfo.address);
} else {
log("Could not parse message");
}
});
server.bind(8080); // ATTENTION: Always going to be bound to 0.0.0.0 !!!
} else {
parentPort.once("message", async (job) => {
log(`${job.uuid} worker started`, job.threadNum);
server.on("listening", () => {
const address = server.address();
log(`server listening ${address.address}:${address.port}`);
});
const object = JSON.parse(job.msg);
let type;
if (object.path) {
type = object.type;
if (!object.type) {
type = await magick.getType(object.path);
}
if (!type) {
throw new TypeError("Unknown image type");
}
object.type = type.split("/")[1];
if (object.type !== "gif" && object.onlyGIF) throw new TypeError(`Expected a GIF, got ${object.type}`);
object.delay = object.delay ? object.delay : 0;
server.bind(8080); // ATTENTION: Always going to be bound to 0.0.0.0 !!!
const runJob = async (job) => {
log(`Job ${job.uuid} started`, job.threadNum);
const object = JSON.parse(job.msg);
let type;
if (object.path) {
type = object.type;
if (!object.type) {
type = await magick.getType(object.path);
}
if (!type) {
throw new TypeError("Unknown image type");
}
object.type = type.split("/")[1];
if (object.type !== "gif" && object.onlyGIF) throw new TypeError(`Expected a GIF, got ${object.type}`);
object.delay = object.delay ? object.delay : 0;
}
if (object.type === "gif" && !object.delay) {
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", "");
object.delay = (100 / delay.split("/")[0]) * delay.split("/")[1];
}
if (object.type === "gif" && !object.delay) {
const delay = (await execPromise(`ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate ${object.path}`)).stdout.replace("\n", "");
object.delay = (100 / delay.split("/")[0]) * delay.split("/")[1];
}
const data = await magick.run(object, true);
const data = await magick.run(object, true);
log(`${job.uuid} is done`, job.threadNum);
const server = net.createServer(function(tcpSocket) {
tcpSocket.write(Buffer.concat([Buffer.from(type ? type : "image/png"), Buffer.from("\n"), data]), (err) => {
if (err) console.error(err);
tcpSocket.end(() => {
server.close();
});
log(`Sending result of job ${job.uuid} back to the bot`, job.threadNum);
const server = net.createServer(function(tcpSocket) {
tcpSocket.write(Buffer.concat([Buffer.from(type ? type : "image/png"), Buffer.from("\n"), data]), (err) => {
if (err) console.error(err);
tcpSocket.end(() => {
server.close();
});
});
server.listen(job.port, job.addr);
// handle address in use errors
server.on("error", (e) => {
if (e.code === "EADDRINUSE") {
console.log("Address in use, retrying...");
setTimeout(() => {
server.close();
server.listen(job.port, job.addr);
}, 500);
}
});
socket.send(Buffer.concat([Buffer.from([0x1]), Buffer.from(job.uuid), Buffer.from(job.port.toString())]), job.port, job.addr, () => {
socket.close();
});
});
}
server.listen(job.port, job.addr);
// handle address in use errors
server.on("error", (e) => {
if (e.code === "EADDRINUSE") {
log("Address in use, retrying...", job.threadNum);
setTimeout(() => {
server.close();
server.listen(job.port, job.addr);
}, 500);
}
});
socket.send(Buffer.concat([Buffer.from([0x1]), Buffer.from(job.uuid), Buffer.from(job.port.toString())]), job.port, job.addr);
};

View file

@ -116,5 +116,6 @@
"Open Fortress",
"btw I use arch",
"Friday Night Funkin'",
"fgsfds"
"fgsfds",
"Doilus Stage"
]

26
utils/database/dummy.js Normal file
View file

@ -0,0 +1,26 @@
// dummy (no-op) database handler
const misc = require("../misc.js");
exports.setup = async () => {};
exports.stop = async () => {};
exports.fixGuild = async () => {};
exports.addCount = async () => {};
exports.getCounts = async () => {
return {};
};
exports.disableChannel = async () => {};
exports.enableChannel = async () => {};
exports.toggleTags = async () => {};
exports.setTag = async () => {};
exports.removeTag = async () => {};
exports.setPrefix = async () => {};
exports.addGuild = async (guild) => {
return {
id: guild.id,
tags: misc.tagDefaults,
prefix: process.env.PREFIX,
disabled: [],
tagsDisabled: false,
};
};
exports.getGuild = exports.addGuild;

View file

@ -66,7 +66,7 @@ const checkImages = async (message) => {
if (message.embeds[0].type === "gifv") {
type = await getImage(message.embeds[0].video.url, message.embeds[0].url, true);
// then we check for other image types
} else if (message.embeds[0].type === "video" || message.embeds[0].type === "image") {
} else if ((message.embeds[0].type === "video" || message.embeds[0].type === "image") && message.embeds[0].thumbnail) {
type = await getImage(message.embeds[0].thumbnail.proxy_url, message.embeds[0].thumbnail.url);
// finally we check both possible image fields for "generic" embeds
} else if (message.embeds[0].type === "rich") {