All files / lib/internal net.js

75.36% Statements 52/69
100% Branches 10/10
75% Functions 3/4
75.36% Lines 52/69

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 142x 25813x 25813x 25813x 142x 24356x 24356x 24356x 142x 25657x 25657x 25644x 13849x 25657x 142x                                   142x 142x 142x 142x 142x 142x 142x 142x  
'use strict';
 
const {
  RegExp,
  RegExpPrototypeTest,
  Symbol,
} = primordials;
 
const Buffer = require('buffer').Buffer;
const { writeBuffer } = internalBinding('fs');
const errors = require('internal/errors');
 
// IPv4 Segment
const v4Seg = '(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])';
const v4Str = `(${v4Seg}[.]){3}${v4Seg}`;
const IPv4Reg = new RegExp(`^${v4Str}$`);
 
// IPv6 Segment
const v6Seg = '(?:[0-9a-fA-F]{1,4})';
const IPv6Reg = new RegExp('^(' +
  `(?:${v6Seg}:){7}(?:${v6Seg}|:)|` +
  `(?:${v6Seg}:){6}(?:${v4Str}|:${v6Seg}|:)|` +
  `(?:${v6Seg}:){5}(?::${v4Str}|(:${v6Seg}){1,2}|:)|` +
  `(?:${v6Seg}:){4}(?:(:${v6Seg}){0,1}:${v4Str}|(:${v6Seg}){1,3}|:)|` +
  `(?:${v6Seg}:){3}(?:(:${v6Seg}){0,2}:${v4Str}|(:${v6Seg}){1,4}|:)|` +
  `(?:${v6Seg}:){2}(?:(:${v6Seg}){0,3}:${v4Str}|(:${v6Seg}){1,5}|:)|` +
  `(?:${v6Seg}:){1}(?:(:${v6Seg}){0,4}:${v4Str}|(:${v6Seg}){1,6}|:)|` +
  `(?::((?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
')(%[0-9a-zA-Z-.:]{1,})?$');
 
function isIPv4(s) {
  return RegExpPrototypeTest(IPv4Reg, s);
}
 
function isIPv6(s) {
  return RegExpPrototypeTest(IPv6Reg, s);
}
 
function isIP(s) {
  if (isIPv4(s)) return 4;
  if (isIPv6(s)) return 6;
  return 0;
}
 
function makeSyncWrite(fd) {
  return function(chunk, enc, cb) {
    if (enc !== 'buffer')
      chunk = Buffer.from(chunk, enc);

    this._handle.bytesWritten += chunk.length;

    const ctx = {};
    writeBuffer(fd, chunk, 0, chunk.length, null, undefined, ctx);
    if (ctx.errno !== undefined) {
      const ex = errors.uvException(ctx);
      ex.errno = ctx.errno;
      return cb(ex);
    }
    cb();
  };
}
 
module.exports = {
  isIP,
  isIPv4,
  isIPv6,
  makeSyncWrite,
  normalizedArgsSymbol: Symbol('normalizedArgs')
};