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Screenshotter error handling 

I realized if a page throws an error, then the browser never closes, causing a memory leak.
This commit is contained in:
Lamp 2018-08-25 13:06:26 -07:00
parent c67adda7b2
commit a37fccaeba
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GPG Key ID: 0F1F8704BEDE369E
1 changed files with 35 additions and 22 deletions
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55
src/screenshotter.js
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@ -1,26 +1,39 @@
global.screenshotter = {
capture: async function () {
console.log('Starting screen captures');
var puppeteer = require('puppeteer');
var browser = await puppeteer.launch({args:['--no-sandbox']});
var page = await browser.newPage();
await page.setViewport({width: 1440, height: 900});
await page.goto('http://www.multiplayerpiano.com/lobby');
await page.evaluate(function(){ document.getElementById('modal').click() });
await new Promise(resolve => setTimeout(resolve, 5000));
var screenshot = await page.screenshot({type: 'png'});
var filename = `Screenshot of www.multiplayerpiano.com/lobby @ ${new Date().toISOString()}.png`;
var attachment = new Discord.MessageAttachment(screenshot, filename);
await dClient.channels.get(config.channels.mpp_screenshot).send(attachment);
await page.goto('http://ourworldofpixels.com');
await page.evaluate(function(){OWOP.camera.zoom = 1;});
await new Promise(resolve => setTimeout(resolve, 5000));
var screenshot = await page.screenshot({type: 'png'});
var filename = `Screenshot of ourworldofpixels.com/main @ ${new Date().toISOString()}.png`;
var attachment = new Discord.MessageAttachment(screenshot, filename);
await dClient.channels.get(config.channels.owop_screenshot).send(attachment);
await browser.close();
console.log('Finished screen captures');
try {
var puppeteer = require('puppeteer');
var browser = await puppeteer.launch({ args: ['--no-sandbox'] });
var page = await browser.newPage();
await page.setViewport({ width: 1440, height: 900 });
try {
await page.goto('http://www.multiplayerpiano.com/lobby');
await page.evaluate(function () { document.getElementById('modal').click() });
await new Promise(resolve => setTimeout(resolve, 5000));
let screenshot = await page.screenshot({ type: 'png' });
let filename = `Screenshot of www.multiplayerpiano.com/lobby @ ${new Date().toISOString()}.png`;
let attachment = new Discord.MessageAttachment(screenshot, filename);
await dClient.channels.get(config.channels.mpp_screenshot).send(attachment);
} catch (error) {
await dClient.channels.get(config.channels.mpp_screenshot).send(`:warning: ${error.stack}`);
}
try {
await page.goto('http://ourworldofpixels.com');
await page.evaluate(function () { OWOP.camera.zoom = 1; });
await new Promise(resolve => setTimeout(resolve, 5000));
let screenshot = await page.screenshot({ type: 'png' });
let filename = `Screenshot of ourworldofpixels.com/main @ ${new Date().toISOString()}.png`;
let attachment = new Discord.MessageAttachment(screenshot, filename);
await dClient.channels.get(config.channels.owop_screenshot).send(attachment);
} catch (error) {
await dClient.channels.get(config.channels.owop_screenshot).send(attachment);
}
} catch(error) {
console.error(`Error occured with screen capture:\n${error.stack}`)
} finally {
await browser.close();
console.log('Finished screen captures');
}
},
interval: setInterval(()=>{screenshotter.capture();}, 1000*60*60)
interval: setInterval(() => { screenshotter.capture(); }, 1000 * 60 * 60)
};