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 | 1x 1x 1x 21x 21x 21x 21x 21x 21x 21x 1x 1x 44x 44x 44x 21x 44x 44x 44x 36x 36x 36x 1x 5x 5x 5x 1x 1x 1x | 'use strict' /* * Copyright (c) 2013-2021 node-coap contributors. * * node-coap is licensed under an MIT +no-false-attribs license. * All rights not explicitly granted in the MIT license are reserved. * See the included LICENSE file for more details. */ var Readable = require('readable-stream').Readable , util = require('util') , pktToMsg = require('./helpers').packetToMessage function ObserveReadStream(packet, rsinfo, outSocket) { Readable.call(this, { objectMode: true }) this.rsinfo = rsinfo this.outSocket = outSocket this._lastId = undefined this._lastTime = 0 this._disableFiltering = false this.append(packet) } util.inherits(ObserveReadStream, Readable) ObserveReadStream.prototype.append = function(packet) { Iif (!this.readable) return pktToMsg(this, packet) // First notification if (this._lastId === undefined) { this._lastId = this.headers['Observe'] - 1 } const dseq = (this.headers['Observe'] - this._lastId) & 0xffffff const dtime = Date.now() - this._lastTime if (this._disableFiltering || (dseq > 0 && dseq < (1 << 23)) || dtime > 128*1000) { this._lastId = this.headers['Observe'] this._lastTime = Date.now() this.push(packet.payload) } } ObserveReadStream.prototype.close = function(eagerDeregister) { this.push(null) this.emit('close') if (eagerDeregister) { this.emit('deregister') } } // nothing to do, data will be pushed from the server ObserveReadStream.prototype._read = function() {} module.exports = ObserveReadStream |