1 | 'use strict';
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2 |
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3 | function createMultipartBuffers(boundary, sizes) {
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4 | const bufs = [];
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5 | for (let i = 0; i < sizes.length; ++i) {
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6 | const mb = sizes[i] * 1024 * 1024;
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7 | bufs.push(Buffer.from([
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8 | `--${boundary}`,
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9 | `content-disposition: form-data; name="field${i + 1}"`,
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10 | '',
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11 | '0'.repeat(mb),
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12 | '',
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13 | ].join('\r\n')));
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14 | }
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15 | bufs.push(Buffer.from([
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16 | `--${boundary}--`,
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17 | '',
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18 | ].join('\r\n')));
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19 | return bufs;
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20 | }
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21 |
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22 | const boundary = '-----------------------------168072824752491622650073';
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23 | const buffers = createMultipartBuffers(boundary, (new Array(100)).fill(1));
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24 | const calls = {
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25 | partBegin: 0,
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26 | headerField: 0,
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27 | headerValue: 0,
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28 | headerEnd: 0,
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29 | headersEnd: 0,
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30 | partData: 0,
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31 | partEnd: 0,
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32 | end: 0,
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33 | };
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34 |
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35 | const moduleName = process.argv[2];
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36 | switch (moduleName) {
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37 | case 'busboy': {
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38 | const busboy = require('busboy');
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39 |
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40 | const parser = busboy({
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41 | limits: {
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42 | fieldSizeLimit: Infinity,
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43 | },
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44 | headers: {
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45 | 'content-type': `multipart/form-data; boundary=${boundary}`,
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46 | },
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47 | });
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48 | parser.on('field', (name, val, info) => {
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49 | ++calls.partBegin;
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50 | ++calls.partData;
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51 | ++calls.partEnd;
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52 | }).on('close', () => {
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53 | ++calls.end;
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54 | console.timeEnd(moduleName);
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55 | });
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56 |
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57 | console.time(moduleName);
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58 | for (const buf of buffers)
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59 | parser.write(buf);
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60 | break;
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61 | }
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62 |
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63 | case 'formidable': {
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64 | const { MultipartParser } = require('formidable');
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65 |
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66 | const parser = new MultipartParser();
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67 | parser.initWithBoundary(boundary);
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68 | parser.on('data', ({ name }) => {
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69 | ++calls[name];
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70 | if (name === 'end')
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71 | console.timeEnd(moduleName);
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72 | });
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73 |
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74 | console.time(moduleName);
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75 | for (const buf of buffers)
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76 | parser.write(buf);
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77 |
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78 | break;
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79 | }
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80 |
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81 | case 'multiparty': {
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82 | const { Readable } = require('stream');
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83 |
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84 | const { Form } = require('multiparty');
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85 |
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86 | const form = new Form({
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87 | maxFieldsSize: Infinity,
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88 | maxFields: Infinity,
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89 | maxFilesSize: Infinity,
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90 | autoFields: false,
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91 | autoFiles: false,
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92 | });
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93 |
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94 | const req = new Readable({ read: () => {} });
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95 | req.headers = {
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96 | 'content-type': `multipart/form-data; boundary=${boundary}`,
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97 | };
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98 |
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99 | function hijack(name, fn) {
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100 | const oldFn = form[name];
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101 | form[name] = function() {
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102 | fn();
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103 | return oldFn.apply(this, arguments);
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104 | };
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105 | }
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106 |
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107 | hijack('onParseHeaderField', () => {
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108 | ++calls.headerField;
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109 | });
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110 | hijack('onParseHeaderValue', () => {
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111 | ++calls.headerValue;
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112 | });
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113 | hijack('onParsePartBegin', () => {
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114 | ++calls.partBegin;
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115 | });
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116 | hijack('onParsePartData', () => {
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117 | ++calls.partData;
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118 | });
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119 | hijack('onParsePartEnd', () => {
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120 | ++calls.partEnd;
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121 | });
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122 |
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123 | form.on('close', () => {
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124 | ++calls.end;
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125 | console.timeEnd(moduleName);
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126 | }).on('part', (p) => p.resume());
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127 |
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128 | console.time(moduleName);
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129 | form.parse(req);
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130 | for (const buf of buffers)
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131 | req.push(buf);
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132 | req.push(null);
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133 |
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134 | break;
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135 | }
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136 |
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137 | default:
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138 | if (moduleName === undefined)
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139 | console.error('Missing parser module name');
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140 | else
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141 | console.error(`Invalid parser module name: ${moduleName}`);
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142 | process.exit(1);
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143 | }
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