Gecko [ gandhischool.edu.np ]

Name	Size	Permission
LICENSE	1.26 KB	-rw-rw-rw-
README.md	1.77 KB	-rw-rw-rw-
android.js	940 B	-rw-rw-rw-
darwin.js	1.34 KB	-rw-rw-rw-
freebsd.js	1.01 KB	-rw-rw-rw-
ibmi.js	1.02 KB	-rw-rw-rw-
index.js	867 B	-rw-rw-rw-
linux.js	1.51 KB	-rw-rw-rw-
openbsd.js	1.08 KB	-rw-rw-rw-
package.json	781 B	-rw-rw-rw-
sunos.js	1.08 KB	-rw-rw-rw-
win32.js	3.1 KB	-rw-rw-rw-

Code Editor : linux.js

"use strict";

const {isIP} = require("net");
const {networkInterfaces} = require("os");
const execa = require("execa");

const args = {
  v4: ["-4", "r"],
  v6: ["-6", "r"],
};

const parse = (stdout, family) => {
  let result;

(stdout || "").trim().split("\n").some(line => {
    const results = /default( via .+?)?( dev .+?)( |$)/.exec(line) || [];
    const gateway = (results[1] || "").substring(5);
    const iface = (results[2] || "").substring(5);
    if (gateway && isIP(gateway)) { // default via 1.2.3.4 dev en0
      result = {gateway, interface: (iface ? iface : null)};
      return true;
    } else if (iface && !gateway) { // default via dev en0
      const interfaces = networkInterfaces();
      const addresses = interfaces[iface];
      if (!addresses || !addresses.length) return;

addresses.some(addr => {
        if (addr.family.substring(2) === family && isIP(addr.address)) {
          result = {gateway: addr.address, interface: (iface ? iface : null)};
          return true;
        }
      });
    }
  });

if (!result) {
    throw new Error("Unable to determine default gateway");
  }

return result;
};

const promise = async family => {
  const {stdout} = await execa("ip", args[family]);
  return parse(stdout, family);
};

const sync = family => {
  const {stdout} = execa.sync("ip", args[family]);
  return parse(stdout, family);
};

module.exports.v4 = () => promise("v4");
module.exports.v6 = () => promise("v6");

module.exports.v4.sync = () => sync("v4");
module.exports.v6.sync = () => sync("v6");

${this.title}

Code Editor : linux.js