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Name	Size	Permission
bench-multipart-fields-100mb-b...	3.1 KB	-rw-rw-r--
bench-multipart-fields-100mb-s...	3.09 KB	-rw-rw-r--
bench-multipart-files-100mb-bi...	3.27 KB	-rw-rw-r--
bench-multipart-files-100mb-sm...	3.26 KB	-rw-rw-r--
bench-urlencoded-fields-100pai...	2.16 KB	-rw-rw-r--
bench-urlencoded-fields-900pai...	1.77 KB	-rw-rw-r--

Code Editor : bench-multipart-fields-100mb-big.js

'use strict';

const boundary = '-----------------------------168072824752491622650073';
const buffers = createMultipartBuffers(boundary, [
  10,
  10,
  10,
  20,
  50,
]);
const calls = {
  partBegin: 0,
  headerField: 0,
  headerValue: 0,
  headerEnd: 0,
  headersEnd: 0,
  partData: 0,
  partEnd: 0,
  end: 0,
};

const moduleName = process.argv[2];
switch (moduleName) {
  case 'busboy': {
    const busboy = require('busboy');

console.time(moduleName);
    for (const buf of buffers)
      parser.write(buf);
    break;
  }

case 'formidable': {
    const { MultipartParser } = require('formidable');

const parser = new MultipartParser();
    parser.initWithBoundary(boundary);
    parser.on('data', ({ name }) => {
      ++calls[name];
      if (name === 'end')
        console.timeEnd(moduleName);
    });

console.time(moduleName);
    for (const buf of buffers)
      parser.write(buf);

break;
  }

case 'multiparty': {
    const { Readable } = require('stream');

const { Form } = require('multiparty');

const form = new Form({
      maxFieldsSize: Infinity,
      maxFields: Infinity,
      maxFilesSize: Infinity,
      autoFields: false,
      autoFiles: false,
    });

const req = new Readable({ read: () => {} });
    req.headers = {
      'content-type': `multipart/form-data; boundary=${boundary}`,
    };

function hijack(name, fn) {
      const oldFn = form[name];
      form[name] = function() {
        fn();
        return oldFn.apply(this, arguments);
      };
    }

hijack('onParseHeaderField', () => {
      ++calls.headerField;
    });
    hijack('onParseHeaderValue', () => {
      ++calls.headerValue;
    });
    hijack('onParsePartBegin', () => {
      ++calls.partBegin;
    });
    hijack('onParsePartData', () => {
      ++calls.partData;
    });
    hijack('onParsePartEnd', () => {
      ++calls.partEnd;
    });

form.on('close', () => {
      ++calls.end;
      console.timeEnd(moduleName);
    }).on('part', (p) => p.resume());

console.time(moduleName);
    form.parse(req);
    for (const buf of buffers)
      req.push(buf);
    req.push(null);

break;
  }

default:
    if (moduleName === undefined)
      console.error('Missing parser module name');
    else
      console.error(`Invalid parser module name: ${moduleName}`);
    process.exit(1);
}

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

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Code Editor : bench-multipart-fields-100mb-big.js

Urban Research Lab