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Export jobs, removed unused opcode

This commit is contained in:
TheEssem 2021-05-17 22:37:40 -05:00
parent 753bf84f78
commit 7aa684eae6
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1 changed files with 17 additions and 22 deletions
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39
utils/image.js
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@ -10,12 +10,10 @@ const logger = require("./logger.js");
const formats = ["image/jpeg", "image/png", "image/webp", "image/gif", "video/mp4", "video/webm", "video/mov"];
const jobs = {};
exports.jobs = {};
exports.connections = [];
const statuses = {};
exports.servers = JSON.parse(fs.readFileSync("./servers.json", { encoding: "utf8" })).image;
const chooseServer = async (ideal) => {
@ -83,34 +81,31 @@ exports.connect = (server) => {
const req = msg.slice(37, msg.length);
const uuid = msg.slice(1, 37).toString();
if (opcode === 0x00) { // Job queued
if (jobs[req]) {
jobs[req].event.emit("uuid", uuid);
if (this.jobs[req]) {
this.jobs[req].event.emit("uuid", uuid);
}
} else if (opcode === 0x01) { // Job completed successfully
// the image API sends all job responses over the same socket; make sure this is ours
if (jobs[uuid]) {
if (this.jobs[uuid]) {
const imageReq = await fetch(`http://${connection.remoteAddress}:8081/image?id=${uuid}`);
const image = await imageReq.buffer();
// The response data is given as the file extension/ImageMagick type of the image (e.g. "png"), followed
// by a newline, followed by the image data.
jobs[uuid].event.emit("image", image, imageReq.headers.get("ext"));
this.jobs[uuid].event.emit("image", image, imageReq.headers.get("ext"));
}
} else if (opcode === 0x02) { // Job errored
if (jobs[uuid]) {
jobs[uuid].event.emit("error", new Error(req));
if (this.jobs[uuid]) {
this.jobs[uuid].event.emit("error", new Error(req));
}
} else if (opcode === 0x03) {
// we use the uuid part here because queue info requests don't respond with one
statuses[`${connection.remoteAddress}:${connection.remotePort}`] = parseInt(uuid);
}
});
connection.on("error", (e) => {
logger.error(e.toString());
});
connection.once("close", () => {
for (const uuid of Object.keys(jobs)) {
if (jobs[uuid].addr === connection.remoteAddress) jobs[uuid].event.emit("error", "Job ended prematurely due to a closed connection; please run your image job again");
for (const uuid of Object.keys(this.jobs)) {
if (this.jobs[uuid].addr === connection.remoteAddress) this.jobs[uuid].event.emit("error", "Job ended prematurely due to a closed connection; please run your image job again");
}
});
this.connections.push(connection);
@ -122,9 +117,9 @@ exports.disconnect = async () => {
for (const connection of this.connections) {
connection.destroy();
}
for (const uuid of Object.keys(jobs)) {
jobs[uuid].event.emit("error", "Job ended prematurely (not really an error; just run your image job again)");
delete jobs[uuid];
for (const uuid of Object.keys(this.jobs)) {
this.jobs[uuid].event.emit("error", "Job ended prematurely (not really an error; just run your image job again)");
delete this.jobs[uuid];
}
this.connections = [];
return;
@ -208,13 +203,13 @@ const start = (object, num) => {
const event = new EventEmitter();
return new Promise((resolve) => {
event.once("uuid", (uuid) => resolve({ event, uuid, addr }));
jobs[num] = { event, addr };
this.jobs[num] = { event, addr };
});
}, (result) => {
throw result;
}).then(data => {
delete jobs[num];
jobs[data.uuid] = { event: data.event, addr: data.addr };
delete this.jobs[num];
this.jobs[data.uuid] = { event: data.event, addr: data.addr };
return { uuid: data.uuid, event: data.event };
});
};
@ -269,7 +264,7 @@ exports.run = object => {
// Connect to best image server
const num = Math.floor(Math.random() * 100000).toString().slice(0, 5);
const timeout = setTimeout(() => {
if (jobs[num]) delete jobs[num];
if (this.jobs[num]) delete this.jobs[num];
reject("the image request timed out after 25 seconds. Try uploading your image elsewhere.");
}, 25000);
start(object, num).catch(err => { // incredibly hacky code incoming
@ -280,7 +275,7 @@ exports.run = object => {
clearTimeout(timeout);
if (!data.event) reject("Not connected to image server");
data.event.once("image", (image, type) => {
delete jobs[data.uuid];
delete this.jobs[data.uuid];
const payload = {
// Take just the image data
buffer: image,