lifx-lan-client

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/lifx/packet.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../index.html">All files</a> / <a href="index.html">src/lifx</a> packet.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 94.16% Statements 129/137 </div> <div class='fl pad1y space-right2'> 77.01% Branches 67/87 </div> <div class='fl pad1y space-right2'> 100% Functions 5/5 </div> <div class='fl pad1y space-right2'> 94.16% Lines 129/137 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input oninput="onInput()" type="search" id="fileSearch"> </div> </template> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a 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href='#L348'>348</a> <a name='L349'></a><a href='#L349'>349</a> <a name='L350'></a><a href='#L350'>350</a> <a name='L351'></a><a href='#L351'>351</a></td><td class="line-coverage quiet">    1x 1x 1x                                   1x           1x                                                                                                                                                 1x 6x 6x     6x 6x   6x 6x 6x 6x 6x 6x   6x 6x     6x 6x   6x 6x   6x 6x 6x   6x 5x 5x 5x   5x 5x     5x 5x   5x 5x   5x 5x   5x               1x 2x     2x 2x     1x     1x 1x 1x 1x             1x               1x 63x 63x 63x     63x 63x   63x 60x   63x   63x   63x 63x     63x 8x     63x   1x     63x 63x   63x 63x 62x   1x     62x     62x 52x   62x     62x   62x 1x   62x   62x 62x 14x     62x 1x   62x 62x   62x 61x   62x     62x 1x   62x   62x 1x 61x 61x   62x 1x   61x 61x     61x   61x               1x 63x   63x 63x         63x 63x 44x 40x         19x                               1x 70x 70x   70x 69x 1x 1x 1x 1x   70x           70x   70x 70x   70x 10x   70x 8x     70x     1x  </td><td class="text"><pre class="prettyprint lang-js">'use strict';   const {constants, utils} = require('../lifx'); const packets = require('./packets'); const {result, find, extend, assign} = require('lodash');   /* Package headers 36 bit in total consisting of size - 2 bit frameDescription - 2 bit   source - 4 bit target - 6 bit 00 00 - site - 6 bit   frameAddressDescription - 1 bit sequence - 1 bit time - 8 bit type - 2 bit 00 00 */ const Packet = {};   /** * Mapping for types * @type {Array} */ Packet.typeList = [ {id: 2, name: 'getService'}, {id: 3, name: 'stateService'}, {id: 12, name: 'getHostInfo'}, {id: 13, name: 'stateHostInfo'}, {id: 14, name: 'getHostFirmware'}, {id: 15, name: 'stateHostFirmware'}, {id: 16, name: 'getWifiInfo'}, {id: 17, name: 'stateWifiInfo'}, {id: 18, name: 'getWifiFirmware'}, {id: 19, name: 'stateWifiFirmware'}, // {id: 20, name: 'getPower'}, // These are for device level // {id: 21, name: 'setPower'}, // and do not support duration value // {id: 22, name: 'statePower'}, // since that we don't use them {id: 23, name: 'getLabel'}, {id: 24, name: 'setLabel'}, {id: 25, name: 'stateLabel'}, {id: 32, name: 'getVersion'}, {id: 33, name: 'stateVersion'}, {id: 34, name: 'getInfo'}, {id: 35, name: 'stateInfo'}, {id: 38, name: 'rebootRequest'}, {id: 43, name: 'rebootResponse'}, {id: 45, name: 'acknowledgement'}, {id: 48, name: 'getLocation'}, {id: 50, name: 'stateLocation'}, {id: 51, name: 'getGroup'}, {id: 53, name: 'stateGroup'}, {id: 54, name: 'getOwner'}, {id: 56, name: 'stateOwner'}, {id: 58, name: 'echoRequest'}, {id: 59, name: 'echoResponse'}, // {id: 60, name: 'getStatistic'}, // {id: 61, name: 'stateStatistic'}, {id: 101, name: 'getLight'}, {id: 102, name: 'setColor'}, {id: 103, name: 'setWaveform'}, {id: 107, name: 'stateLight'}, {id: 110, name: 'getTemperature'}, {id: 111, name: 'stateTemperature'}, // {id: 113, name: 'setSimpleEvent'}, // {id: 114, name: 'getSimpleEvent'}, // {id: 115, name: 'stateSimpleEvent'}, {id: 116, name: 'getPower'}, {id: 117, name: 'setPower'}, {id: 118, name: 'statePower'}, // {id: 119, name: 'setWaveformOptional'}, {id: 120, name: 'getInfrared'}, {id: 121, name: 'stateInfrared'}, {id: 122, name: 'setInfrared'}, {id: 401, name: 'getAmbientLight'}, {id: 402, name: 'stateAmbientLight'}, // {id: 403, name: 'getDimmerVoltage'}, // {id: 404, name: 'stateDimmerVoltage'}, {id: 501, name: 'setColorZones'}, {id: 502, name: 'getColorZones'}, {id: 503, name: 'stateZone'}, {id: 504, name: 'getCountZone'}, {id: 505, name: 'stateCountZone'}, {id: 506, name: 'stateMultiZone'}, // {id: 507, name: 'getEffectZone'}, {id: 508, name: 'setMultiZoneEffect'}, // {id: 509, name: 'stateEffectZone'}, {id: 816, name: 'getRelayPower'}, {id: 817, name: 'setRelayPower'}, {id: 818, name: 'stateRelayPower'} ];   /** * Parses a lifx packet header * @param {Buffer} buf Buffer containg lifx packet including header * @return {Object} parsed packet header */ Packet.headerToObject = function(buf) { const obj = {}; let offset = 0;   // Frame obj.size = buf.readUInt16LE(offset); offset += 2;   const frameDescription = buf.readUInt16LE(offset); obj.addressable = (frameDescription & constants.ADDRESSABLE_BIT) !== 0; obj.tagged = (frameDescription & constants.TAGGED_BIT) !== 0; obj.origin = ((frameDescription & constants.ORIGIN_BITS) >> 14) !== 0; obj.protocolVersion = (frameDescription & constants.PROTOCOL_VERSION_BITS); offset += 2;   obj.source = buf.toString('hex', offset, offset + 4); offset += 4;   // Frame address obj.target = buf.toString('hex', offset, offset + 6); offset += 6;   obj.reserved1 = buf.slice(offset, offset + 2); offset += 2;   obj.site = buf.toString('utf8', offset, offset + 6); obj.site = obj.site.replace(/\0/g, ''); offset += 6;   const frameAddressDescription = buf.readUInt8(offset); obj.ackRequired = (frameAddressDescription & constants.ACK_REQUIRED_BIT) !== 0; obj.resRequired = (frameAddressDescription & constants.RESPONSE_REQUIRED_BIT) !== 0; offset += 1;   obj.sequence = buf.readUInt8(offset); offset += 1;   // Protocol header obj.time = utils.readUInt64LE(buf, offset); offset += 8;   obj.type = buf.readUInt16LE(offset); offset += 2;   obj.reserved2 = buf.slice(offset, offset + 2); offset += 2;   return obj; };   /** * Parses a lifx packet * @param {Buffer} buf Buffer with lifx packet * @return {Object} parsed packet */ Packet.toObject = function(buf) { let obj = {};   // Try to read header of packet try { obj = this.headerToObject(buf); } catch (err) { // If this fails return with error return err; }   Eif (obj.type !== undefined) { const typeName = result(find(this.typeList, {id: obj.type}), 'name'); Eif (packets[typeName] !== undefined) { Iif (typeof packets[typeName].toObject === 'function') { const specificObj = packets[typeName].toObject(buf.slice(constants.PACKET_HEADER_SIZE)); obj = extend(obj, specificObj); } } }   return obj; };   /** * Creates a lifx packet header from a given object * @param {Object} obj Object containg header configuration for packet * @return {Buffer} packet header buffer */ Packet.headerToBuffer = function(obj) { const buf = Buffer.alloc(36); buf.fill(0); let offset = 0;   // Frame buf.writeUInt16LE(obj.size, offset); offset += 2;   if (obj.protocolVersion === undefined) { obj.protocolVersion = constants.PROTOCOL_VERSION_CURRENT; } let frameDescription = obj.protocolVersion;   Iif (obj.addressable !== undefined && obj.addressable === true) { frameDescription |= constants.ADDRESSABLE_BIT; } else Eif (obj.source !== undefined && obj.source.length > 0 && obj.source !== '00000000') { frameDescription |= constants.ADDRESSABLE_BIT; }   if (obj.tagged !== undefined && obj.tagged === true) { frameDescription |= constants.TAGGED_BIT; }   if (obj.origin !== undefined && obj.origin === true) { // 0 or 1 to the 14 bit frameDescription |= (1 << 14); }   buf.writeUInt16LE(frameDescription, offset); offset += 2;   Eif (obj.source !== undefined && obj.source.length > 0) { if (obj.source.length === 8) { buf.write(obj.source, offset, 4, 'hex'); } else { throw new RangeError('LIFX source must be given in 8 characters'); } } offset += 4;   // Frame address if (obj.target !== undefined && obj.target !== null) { buf.write(obj.target, offset, 6, 'hex'); } offset += 6;   // reserved1 offset += 2;   if (obj.site !== undefined && obj.site !== null) { buf.write(obj.site, offset, 6, 'utf8'); } offset += 6;   let frameAddressDescription = 0; if (obj.ackRequired !== undefined && obj.ackRequired === true) { frameAddressDescription |= constants.ACK_REQUIRED_BIT; }   if (obj.resRequired !== undefined && obj.resRequired === true) { frameAddressDescription |= constants.RESPONSE_REQUIRED_BIT; } buf.writeUInt8(frameAddressDescription, offset); offset += 1;   if (typeof obj.sequence === 'number') { buf.writeUInt8(obj.sequence, offset); } offset += 1;   // Protocol header if (obj.time !== undefined) { utils.writeUInt64LE(buf, offset, obj.time); } offset += 8;   if (typeof obj.type === 'number') { obj.type = result(find(this.typeList, {id: obj.type}), 'id'); } else Eif (typeof obj.type === 'string' || obj.type instanceof String) { obj.type = result(find(this.typeList, {name: obj.type}), 'id'); } if (obj.type === undefined) { throw new Error('Unknown lifx packet of type: ' + obj.type); } buf.writeUInt16LE(obj.type, offset); offset += 2;   // reserved2 offset += 2;   return buf; };   /** * Creates a packet from a configuration object * @param {Object} obj Object with configuration for packet * @return {Buffer|Boolean} the packet or false in case of error */ Packet.toBuffer = function(obj) { Eif (obj.type !== undefined) { // Map id to string if needed if (typeof obj.type === 'number') { obj.type = result(find(this.typeList, {id: obj.type}), 'name'); } else Eif (typeof obj.type === 'string' || obj.type instanceof String) { obj.type = result(find(this.typeList, {name: obj.type}), 'name'); }   Eif (obj.type !== undefined) { if (typeof packets[obj.type].toBuffer === 'function') { const packetTypeData = packets[obj.type].toBuffer(obj); return Buffer.concat([ this.headerToBuffer(obj), packetTypeData ]); } return this.headerToBuffer(obj); } }   return false; };   /** * Creates a new packet by the given type * Note: This does not validate the given params * @param {String|Number} type the type of packet to create as number or string * @param {Object} params further settings to pass * @param {String} [source] the source of the packet, length 8 * @param {String} [target] the target of the packet, length 12 * @return {Object} The prepared packet object including header */ Packet.create = function(type, params, source, target) { const obj = {}; if (type !== undefined) { // Check if type is valid if (typeof type === 'string' || type instanceof String) { obj.type = result(find(this.typeList, {name: type}), 'id'); } else Eif (typeof type === 'number') { const typeMatch = find(this.typeList, {id: type}); obj.type = result(typeMatch, 'id'); type = result(typeMatch, 'name'); } Iif (obj.type === undefined) { return false; } } else E{ return false; } obj.size = constants.PACKET_HEADER_SIZE + packets[type].size;   Eif (source !== undefined) { obj.source = source; } if (target !== undefined) { obj.target = target; } if (packets[type].tagged !== undefined) { obj.tagged = packets[type].tagged; }   return assign(obj, params); };   module.exports = Packet;  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at Sat May 24 2025 19:25:07 GMT+0300 (Eastern European Summer Time) </div> <script src="../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> 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