Girish Ramakrishnan
36 lines
897 B
JavaScript
36 lines
897 B
JavaScript
import assert from 'node:assert';
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// this code is used in migrations - 20201120212726-apps-add-containerIp.js
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function intFromIp(address) {
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assert.strictEqual(typeof address, 'string');
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const parts = address.split('.');
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if (parts.length !== 4) return null;
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return (parseInt(parts[0], 10) << (8*3)) & 0xFF000000 |
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(parseInt(parts[1], 10) << (8*2)) & 0x00FF0000 |
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(parseInt(parts[2], 10) << (8*1)) & 0x0000FF00 |
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(parseInt(parts[3], 10) << (8*0)) & 0x000000FF;
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}
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// this code is used in migrations - 20201120212726-apps-add-containerIp.js
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function ipFromInt(input) {
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assert.strictEqual(typeof input, 'number');
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const output = [];
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for (let i = 3; i >= 0; --i) {
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const octet = (input >> (i*8)) & 0x000000FF;
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output.push(octet);
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}
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return output.join('.');
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}
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export default {
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ipFromInt,
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intFromIp
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};
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