wxmini/utils/mqtt.js

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).mqtt=e()}}(function(){return function(){return function e(t,r,n){function i(s,a){if(!r[s]){if(!t[s]){var c="function"==typeof require&&require;if(!a&&c)return c(s,!0);if(o)return o(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var l=r[s]={exports:{}};t[s][0].call(l.exports,function(e){return i(t[s][1][e]||e)},l,l.exports,e,t,r,n)}return r[s].exports}for(var o="function"==typeof require&&require,s=0;s<n.length;s++)i(n[s]);return i}}()({1:[function(e,t,r){(function(r,n){"use strict";var i=e("events").EventEmitter,o=e("./store"),s=e("mqtt-packet"),a=e("readable-stream").Writable,c=e("inherits"),u=e("reinterval"),l=e("./validations"),f=e("xtend"),p=e("debug")("mqttjs:client"),h=r?r.nextTick:function(e){setTimeout(e,0)},d=n.setImmediate||function(e){h(e)},g={keepalive:60,reschedulePings:!0,protocolId:"MQTT",protocolVersion:4,reconnectPeriod:1e3,connectTimeout:3e4,clean:!0,resubscribe:!0},b=["ECONNREFUSED","EADDRINUSE","ECONNRESET","ENOTFOUND"],m={0:"",1:"Unacceptable protocol version",2:"Identifier rejected",3:"Server unavailable",4:"Bad username or password",5:"Not authorized",16:"No matching subscribers",17:"No subscription existed",128:"Unspecified error",129:"Malformed Packet",130:"Protocol Error",131:"Implementation specific error",132:"Unsupported Protocol Version",133:"Client Identifier not valid",134:"Bad User Name or Password",135:"Not authorized",136:"Server unavailable",137:"Server busy",138:"Banned",139:"Server shutting down",140:"Bad authentication method",141:"Keep Alive timeout",142:"Session taken over",143:"Topic Filter invalid",144:"Topic Name invalid",145:"Packet identifier in use",146:"Packet Identifier not found",147:"Receive Maximum exceeded",148:"Topic Alias invalid",149:"Packet too large",150:"Message rate too high",151:"Quota exceeded",152:"Administrative action",153:"Payload format invalid",154:"Retain not supported",155:"QoS not supported",156:"Use another server",157:"Server moved",158:"Shared Subscriptions not supported",159:"Connection rate exceeded",160:"Maximum connect time",161:"Subscription Identifiers not supported",162:"Wildcard Subscriptions not supported"};function y(e,t,r){p("sendPacket :: packet: %O",t),p("sendPacket :: emitting `packetsend`"),e.emit("packetsend",t),p("sendPacket :: writing to stream");var n=s.writeToStream(t,e.stream,e.options);p("sendPacket :: writeToStream result %s",n),!n&&r?(p("sendPacket :: handle events on `drain` once through callback."),e.stream.once("drain",r)):r&&(p("sendPacket :: invoking cb"),r())}function _(e,t,r,n){p("storeAndSend :: store packet with cmd %s to outgoingStore",t.cmd),e.outgoingStore.put(t,function(i){if(i)return r&&r(i);n(),y(e,t,r)})}function v(e){p("nop ::",e)}function w(e,t){var r,n=this;if(!(this instanceof w))return new w(e,t);for(r in this.options=t||{},g)void 0===this.options[r]?this.options[r]=g[r]:this.options[r]=t[r];p("MqttClient :: options.protocol",t.protocol),p("MqttClient :: options.protocolVersion",t.protocolVersion),p("MqttClient :: options.username",t.username),p("MqttClient :: options.keepalive",t.keepalive),p("MqttClient :: options.reconnectPeriod",t.reconnectPeriod),p("MqttClient :: options.rejectUnauthorized",t.rejectUnauthorized),this.options.clientId="string"==typeof t.clientId?t.clientId:"mqttjs_"+Math.random().toString(16).substr(2,8),p("MqttClient :: clientId",this.options.clientId),this.options.customHandleAcks=5===t.protocolVersion&&t.customHandleAcks?t.customHandleAcks:function(){arguments[3](0)},this.streamBuilder=e,this.outgoingStore=t.outgoingStore||new o,this.incomingStore=t.incomingStore||new o,this.queueQoSZero=void 0===t.queueQoSZero||t.queueQoSZero,this._resubscribeTopics={},this.messageIdToTopic={},this.pingTimer=null,this.connected=!1,this.disconnecting=!1,this.queue=[],this.connackTimer=null,this.reconnectTimer=null,this._storeProcessing=!1,this._packetIdsDuringStoreProcessing={},this.nextId=Math.max(1,Math.floor(65535*Math.random())),this.outgoing={},this._firstConnection=!0,this.on("connect",function(){var e=this.queue;p("connect :: sending queued packets"),function t(){var r=e.shift();p("deliver :: entry %o",r);var i;r&&(i=r.packet,p("deliver :: call _sendPacket for %o",i),n._sendPacket(i,function(e){r.cb&&r.cb(e),t()}))}()}),this.on("close",function(){p("close :: connected set to `false`"),this.connected=!1,p("close :: clearing connackTimer"),clearTimeout(this.connackTimer),p("close :: clearing ping timer"),null!==n.pingTimer&&(n.pingTimer.clear(),n.pingTimer=null),p("close :: calling _setupReconnect"),this._setupReconnect()}),i.call(this),p("MqttClient :: setting up stream"),this._setupStream()}c(w,i),w.prototype._setupStream=function(){var e,t=this,r=new a,n=s.parser(this.options),i=null,o=[];function c(){if(o.length)h(u);else{var e=i;i=null,e()}}function u(){p("work :: getting next packet in queue");var e=o.shift();if(e)p("work :: packet pulled from queue"),t._handlePacket(e,c);else{p("work :: no packets in queue");var r=i;i=null,p("work :: done flag is %s",!!r),r&&r()}}if(p("_setupStream :: calling method to clear reconnect"),this._clearReconnect(),p("_setupStream :: using streamBuilder provided to client to create stream"),this.stream=this.streamBuilder(this),n.on("packet",function(e){p("parser :: on packet push to packets array."),o.push(e)}),r._write=function(e,t,r){i=r,p("writable stream :: parsing buffer"),n.parse(e),u()},p("_setupStream :: pipe stream to writable stream"),this.stream.pipe(r),this.stream.on("error",function(e){p("streamErrorHandler :: error",e.message),b.includes(e.code)?(p("streamErrorHandler :: emitting error"),t.emit("error",e)):v(e)}),this.stream.on("close",function(){var e;p("(%s)stream :: on close",t.options.clientId),(e=t.outgoing)&&(p("flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function"),Object.keys(e).forEach(function(t){e[t].volatile&&"function"==typeof e[t].cb&&(e[t].cb(new Error("Connection closed")),delete e[t])})),p("stream: emit close to MqttClient"),t.emit("close")}),p("_setupStream: sending packet `connect`"),(e=Object.create(this.options)).cmd="connect",y(this,e),n.on("error",this.emit.bind(this,"error")),this.options.properties){if(!this.options.properties.authenticationMethod&&this.options.properties.authenticationData)return t.end(()=>this.emit("error",new Error("Packet has no Authentication Method"))),this;if(this.options.properties.authenticationMethod&&this.options.authPacket&&"object"==typeof this.options.authPacket)y(this,f({cmd:"auth",reasonCode:0},this.options.authPacket))}this.stream.setMaxListeners(1e3),clearTimeout(this.connackTimer),this.connackTimer=setTimeout(function(){p("!!connectTimeout hit!! Calling _cleanUp with force `true`"),t._cleanUp(!0)},this.options.connectTimeout)},w.prototype._handlePacket=function(e,t){var r=this.options;if(5===r.protocolVersion&&r.properties&&r.properties.maximumPacketSize&&r.properties.maximumPacketSize<e.length)return this.emit("error",new Error("exceeding packets size "+e.cmd)),this.end({reasonCode:149,properties:{reasonString:"Maximum packet size was exceeded"}}),this;switch(p("_handlePacket :: emitting packetreceive"),this.emit("packetreceive",e),e.cmd){case"publish":this._handlePublish(e,t);break;case"puback":case"pubrec":case"pubcomp":case"suback":case"unsuback":this._handleAck(e),t();break;case"pubrel":this._handlePubrel(e,t);break;case"connack":this._handleConnack(e),t();break;case"pingresp":this._handlePingresp(e),t();break;case"disconnect":this._handleDisconnect(e),t()}},w.prototype._checkDisconnecting=function(e){return this.disconnecting&&(e?e(new Error("client disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},w.prototype.publish=function(e,t,r,n){var i;p("publish :: message `%s` to topic `%s`",t,e);var o=this.options;"function"==typeof r&&(n=r,r=null);if(r=f({qos:0,retain:!1,dup:!1},r),this._checkDisconnecting(n))return this;switch(i={cmd:"publish",topic:e,payload:t,qos:r.qos,retain:r.retain,messageId:this._nextId(),dup:r.dup},5===o.protocolVersion&&(i.properties=r.properties,(!o.properties&&i.properties&&i.properties.topicAlias||r.properties&&o.properties&&(r.properties.topicAlias&&o.properties.topicAliasMaximum&&r.properties.topicAlias>o.properties.topicAliasMaximum||!o.properties.topicAliasMaximum&&r.properties.topicAlias))&&delete i.properties.topicAlias),p("publish :: qos",r.qos),r.qos){case 1:case 2:this.outgoing[i.messageId]={volatile:!1,cb:n||v},this._storeProcessing?(p("_storeProcessing enabled"),this._packetIdsDuringStoreProcessing[i.messageId]=!1,this._storePacket(i,void 0,r.cbStorePut)):(p("MqttClient:publish: packet cmd: %s",i.cmd),this._sendPacket(i,void 0,r.cbStorePut));break;default:this._storeProcessing?(p("_storeProcessing enabled"),this._storePacket(i,n,r.cbStorePut)):(p("MqttClient:publish: packet cmd: %s",i.cmd),this._sendPacket(i,n,r.cbStorePut))}return this},w.prototype.subscribe=function(){for(var e,t=new Array(arguments.length),r=0;r<arguments.length;r++)t[r]=arguments[r];var n,i=[],o=t.shift(),s=o.resubscribe,a=t.pop()||v,c=t.pop(),u=this,h=this.options.protocolVersion;if(delete o.resubscribe,"string"==typeof o&&(o=[o]),"function"!=typeof a&&(c=a,a=v),null!==(n=l.validateTopics(o)))return d(a,new Error("Invalid topic "+n)),this;if(this._checkDisconnecting(a))return p("subscribe: discconecting true"),this;var g={qos:0};if(5===h&&(g.nl=!1,g.rap=!1,g.rh=0),c=f(g,c),Array.isArray(o)?o.forEach(function(e){if(p("subscribe: array topic %s",e),!u._resubscribeTopics.hasOwnProperty(e)||u._resubscribeTopics[e].qos<c.qos||s){var t={topic:e,qos:c.qos};5===h&&(t.nl=c.nl,t.rap=c.rap,t.rh=c.rh,t.properties=c.properties),p("subscribe: pushing topic `%s` and qos `%s` to subs list",t.topic,t.qos),i.push(t)}}):Object.keys(o).forEach(function(e){if(p("subscribe: object topic %s",e),!u._resubscribeTopics.hasOwnProperty(e)||u._resubscribeTopics[e].qos<o[e].qos||s){var t={topic:e,qos:o[e].qos};5===h&&(t.nl=o[e].nl,t.rap=o[e].rap,t.rh=o[e].rh,t.properties=c.properties),p("subscribe: pushing `%s` to subs list",t),i.push(t)}}),e={cmd:"subscribe",subscriptions:i,qos:1,retain:!1,dup:!1,messageId:this._nextId()},c.properties&&(e.properties=c.properties),i.length){if(this.options.resubscribe){p("subscribe :: resubscribe true");var b=[];i.forEach(function(e){if(u.options.reconnectPeriod>0){var t={qos:e.qos};5===h&&(t.nl=e.nl||!1,t.rap=e.rap||!1,t.rh=e.rh||0,t.properties=e.properties),u._resubscribeTopics[e.topic]=t,b.push(e.topic)}}),u.messageIdToTopic[e.messageId]=b}return this.outgoing[e.messageId]={volatile:!0,cb:function(e,t){if(!e)for(var r=t.granted,n=0;n<r.length;n+=1)i[n].qos=r[n];a(e,i)}},p("subscribe :: call _sendPacket"),this._sendPacket(e),this}a(null,[])},w.prototype.unsubscribe=function(){for(var e={cmd:"unsubscribe",qos:1,messageId:this._nextId()},t=this,r=new Array(arguments.length),n=0;n<arguments.length;n++)r[n]=arguments[n];var i=r.shift(),o=r.pop()||v,s=r.pop();return"string"==typeof i&&(i=[i]),"function"!=typeof o&&(s=o,o=v),this._checkDisconnecting(o)?this:("string"==typeof i?e.unsubscriptions=[i]:Array.isArray(i)&&(e.unsubscriptions=i),this.options.resubscribe&&e.unsubscriptions.forEach(function(e){delete t._resubscribeTopics[e]}),"object"==typeof s&&s.properties&&(e.properties=s.properties),this.outgoing[e.messageId]={volatile:!0,cb:o},p("unsubscribe: call _sendPacket"),this._sendPacket(e),this)},w.prototype.end=function(e,t,r){var n=this;function i(){p("end :: (%s) :: finish :: calling _cleanUp with force %s",n.options.clientId,e),n._cleanUp(e,()=>{p("end :: finish :: calling process.nextTick on closeStores"),h(function(){p("end :: closeStores: closing incoming and outgoing stores"),n.disconnected=!0,n.incomingStore.close(function(e){n.outgoingStore.close(function(t){if(p("end :: closeStores: emitting end"),n.emit("end"),r){let n=e||t;p("end :: closeStores: invoking callback with args"),r(n)}})}),n._deferredReconnect&&n._deferredReconnect()}.bind(n))},t)}return p("end :: (%s)",this.options.clientId),null!=e&&"boolean"==typeof e||(r=t||v,t=e,e=!1,"object"!=typeof t&&(r=t,t=null,"function"!=typeof r&&(r=v))),"object"!=typeof t&&(r=t,t=null),p("end :: cb? %s",!!r),r=r||v,this.disconnecting?(r(),this):(this._clearReconnect(),this.disconnecting=!0,!e&&Object.keys(this.outgoing).length>0?(p("end :: (%s) :: calling finish in 10ms once outgoing is empty",n.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,i,10))):(p("end :: (%s) :: immediately calling finish",n.options.clientId),i()),this)},w.prototype.removeOutgoingMessage=function(e){var t=this.outgoing[e]?this.outgoing[e].cb:null;return delete this.outgoing[e],this.outgoingStore.del({messageId:e},function(){t(new Error("Message removed"))}),this},w.prototype.reconnect=function(e){p("client reconnect");var t=this,r=function(){e?(t.options.incomingStore=e.incomingStore,t.options.outgoingStore=e.outgoingStore):(t.options.incomingStore=null,t.options.outgoingStore=null),t.incomingStore=t.options.incomingStore||new o,t.outgoingStore=t.options.outgoingStore||new o,t.disconnecting=!1,t.disconnected=!1,t._deferredReconnect=null,t._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=r:r(),this},w.prototype._reconnect=function(){p("_reconnect: emitting reconnect to client"),this.emit("reconnect"),p("_reconnect: calling _setupStream"),this._setupStream()},w.prototype._setupReconnect=function(){var e=this;!e.disconnecting&&!e.reconnectTimer&&e.options.reconnectPeriod>0?(this.reconnecting||(p("_setupReconnect :: emit `offline` state"),this.emit("offline"),p("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),p("_setupReconnect :: setting reconnectTimer for %d ms",e.options.reconnectPeriod),e.reconnectTimer=setInterval(function(){p("reconnectTimer :: reconnect triggered!"),e._reconnect()},e.options.reconnectPeriod)):p("_setupReconnect :: doing nothing...")},w.prototype._clearReconnect=function(){p("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},w.prototype._cleanUp=function(e,t){var r,n=arguments[2];if(t&&(p("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",t)),p("_cleanUp :: forced? %s",e),e)0===this.options.reconnectPeriod&&this.options.clean&&(r=this.outgoing)&&(p("flush: queue exists? %b",!!r),Object.keys(r).forEach(function(e){"function"==typeof r[e].cb&&(r[e].cb(new Error("Connection closed")),delete r[e])})),p("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{var i=f({cmd:"disconnect"},n);p("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(i,d.bind(null,this.stream.end.bind(this.stream)))}this.disconnecting||(p("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),null!==this.pingTimer&&(p("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),t&&!this.connected&&(p("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",t),t())},w.prototype._sendPacket=function(e,t,r){if(p("_sendPacket :: (%s) ::  start",this.options.clientId),r=r||v,!this.connected)return p("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(e,t,r);switch(this._shiftPingInterval(),e.cmd){case"publish":break;case"pubrel":return void _(this,e,t,r);default:return void y(this,e,t)}switch(e.qos){case 2:case 1:_(this,e,t,r);break;case 0:default:y(this,e,t)}p("_sendPacket :: (%s) ::  end",this.options.clientId)},w.prototype._storePacket=function(e,t,r){p("_storePacket :: packet: %o",e),p("_storePacket :: cb? %s",!!t),r=r||v,0===(e.qos||0)&&this.queueQoSZero||"publish"!==e.cmd?this.queue.push({packet:e,cb:t}):e.qos>0?(t=this.outgoing[e.messageId]?this.outgoing[e.messageId].cb:null,this.outgoingStore.put(e,function(e){if(e)return t&&t(e);r()})):t&&t(new Error("No connection to broker"))},w.prototype._setupPingTimer=function(){p("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive);var e=this;!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=u(function(){e._checkPing()},1e3*this.options.keepalive))},w.prototype._shiftPingInterval=function(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)},w.prototype._checkPing=function(){p("_checkPing :: checking ping..."),this.pingResp?(p("_checkPing :: ping response received. Clearing flag and sending `pingreq`"),this.pingResp=!1,this._sendPacket({cmd:"pingreq"})):(p("_checkPing :: calling _cleanUp with force true"),this._cleanUp(!0))},w.prototype._handlePingresp=function(){this.pingResp=!0},w.prototype._handleConnack=function(e){p("_handleConnack");var t=this.options,r=5===t.protocolVersion?e.reasonCode:e.returnCode;if(clearTimeout(this.connackTimer),e.properties&&(e.properties.topicAliasMaximum&&(t.properties||(t.properties={}),t.properties.topicAliasMaximum=e.properties.topicAliasMaximum),e.properties.serverKeepAlive&&t.keepalive&&(t.keepalive=e.properties.serverKeepAlive,this._shiftPingInterval()),e.properties.maximumPacketSize&&(t.properties||(t.properties={}),t.properties.maximumPacketSize=e.properties.maximumPacketSize)),0===r)this.reconnecting=!1,this._onConnect(e);else if(r>0){var n=new Error("Connection refused: "+m[r]);n.code=r,this.emit("error",n)}},w.prototype._handlePublish=function(e,t){p("_handlePublish: packet %o",e),t=void 0!==t?t:v;var r=e.topic.toString(),n=e.payload,i=e.qos,o=e.messageId,s=this,a=this.options,c=[0,16,128,131,135,144,145,151,153];switch(p("_handlePublish: qos %d",i),i){case 2:a.customHandleAcks(r,n,e,function(r,n){return r instanceof Error||(n=r,r=null),r?s.emit("error",r):-1===c.indexOf(n)?s.emit("error",new Error("Wrong reason code for pubrec")):void(n?s._sendPacket({cmd:"pubrec",messageId:o,reasonCode:n},t):s.incomingStore.put(e,function(){s._sendPacket({cmd:"pubrec",messageId:o},t)}))});break;case 1:a.customHandleAcks(r,n,e,function(i,a){return i instanceof Error||(a=i,i=null),i?s.emit("error",i):-1===c.indexOf(a)?s.emit("error",new Error("Wrong reason code for puback")):(a||s.emit("message",r,n,e),void s.handleMessage(e,function(e){if(e)return t&&t(e);s._sendPacket({cmd:"puback",messageId:o,reasonCode:a},t)}))});break;case 0:this.emit("message",r,n,e),this.handleMessage(e,t);break;default:p("_handlePublish: unknown QoS. Doing nothing.")}},w.prototype.handleMessage=function(e,t){t()},w.prototype._handleAck=function(e){var t,r=e.messageId,n=e.cmd,i=null,o=this.outgoing[r]?this.outgoing[r].cb:null,s=this;if(o){switch(p("_handleAck :: packet type",n),n){case"pubcomp":case"puback":var a=e.reasonCode;a&&a>0&&16!==a&&((t=new Error("Publish error: "+m[a])).code=a,o(t,e)),delete this.outgoing[r],this.outgoingStore.del(e,o);break;case"pubrec":i={cmd:"pubrel",qos:2,messageId:r};var c=e.reasonCode;c&&c>0&&16!==c?((t=new Error("Publish error: "+m[c])).code=c,o(t,e)):this._sendPacket(i);break;case"suback":delete this.outgoing[r];for(var u=0;u<e.granted.length;u++)if(0!=(128&e.granted[u])){var l=this.messageIdToTopic[r];l&&l.forEach(function(e){delete s._resubscribeTopics[e]})}o(null,e);break;case"unsuback":delete this.outgoing[r],o(null);break;default:s.emit("error",new Error("unrecognized packet type"))}this.disconnecting&&0===Object.keys(this.outgoing).length&&this.emit("outgoingEmpty")}else p("_handleAck :: Server sent an ack in error. Ignoring.")},w.prototype._handlePubrel=function(e,t){p("handling pubrel packet"),t=void 0!==t?t:v;var r=this,n={cmd:"pubcomp",messageId:e.messageId};r.incomingStore.get(e,function(e,i){e?r._sendPacket(n,t):(r.emit("message",i.topic,i.payload,i),r.handleMessage(i,function(e){if(e)return t(e);r.incomingStore.del(i,v),r._sendPacket(n,t)}))})},w.prototype._handleDisconnect=function(e){this.emit("disconnect",e)},w.prototype._nextId=function(){var e=this.nextId++;return 65536===this.nextId&&(this.nextId=1),e},w.prototype.getLastMessageId=function(){return 1===this.nextId?65535:this.nextId-1},w.prototype._resubscribe=function(e){p("_resubscribe");var t=Object.keys(this._resubscribeTopics);if(!this._firstConnection&&(this.options.clean||5===this.options.protocolVersion&&!e.sessionPresent)&&t.length>0)if(this.options.resubscribe)if(5===this.options.protocolVersion){p("_resubscribe: protocolVersion 5");for(var r=0;r<t.length;r++){var n={};n[t[r]]=this._resubscribeTopics[t[r]],n.resubscribe=!0,this.subscribe(n,{properties:n[t[r]].properties})}}else this._resubscribeTopics.resubscribe=!0,this.subscribe(this._resubscribeTopics);else this._resubscribeTopics={};this._firstConnection=!1},w.prototype._onConnect=function(e){if(this.disconnected)this.emit("connect",e);else{var t=this;this._setupPingTimer(),this._resubscribe(e),this.connected=!0,function r(){var n=t.outgoingStore.createStream();function i(){t._storeProcessing=!1,t._packetIdsDuringStoreProcessing={}}function o(){n.destroy(),n=null,i()}t.once("close",o),n.on("error",function(e){i(),t.removeListener("close",o),t.emit("error",e)}),n.on("end",function(){var n=!0;for(var s in t._packetIdsDuringStoreProcessing)if(!t._packetIdsDuringStoreProcessing[s]){n=!1;break}n?(i(),t.removeListener("close",o),t.emit("connect",e)):r()}),function e(){if(n){t._storeProcessing=!0;var r,i=n.read(1);i?t._packetIdsDuringStoreProcessing[i.messageId]?e():t.disconnecting||t.reconnectTimer?n.destroy&&n.destroy():(r=t.outgoing[i.messageId]?t.outgoing[i.messageId].cb:null,t.outgoing[i.messageId]={volatile:!1,cb:function(t,n){r&&r(t,n),e()}},t._packetIdsDuringStoreProcessing[i.messageId]=!0,t._sendPacket(i)):n.once("readable",e)}}()}()}},t.exports=w}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./store":7,"./validations":8,_process:101,debug:17,events:83,inherits:88,"mqtt-packet":93,"readable-stream":115,reinterval:116,xtend:140}],2:[function(e,t,r){(function(r){"use strict";var n,i,o,s=e("readable-stream").Transform,a=e("duplexify"),c=e("base64-js"),u=!1;t.exports=function(e,t){if(t.hostname=t.hostname||t.host,!t.hostname)throw new Error("Could not determine host. 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e.listenerCount?e.listenerCount(t):g.call(e,t)},s.prototype.listenerCount=g,s.prototype.eventNames=function(){return this._eventsCount>0?Reflect.ownKeys(this._events):[]}},{}],84:[function(e,t,r){var n=function(){if("object"==typeof self&&self)return self;if("object"==typeof window&&window)return window;throw new Error("Unable to resolve global `this`")};t.exports=function(){if(this)return this;try{Object.defineProperty(Object.prototype,"__global__",{get:function(){return this},configurable:!0})}catch(e){return n()}try{return __global__||n()}finally{delete Object.prototype.__global__}}()},{}],85:[function(e,t,r){"use strict";t.exports=e("./is-implemented")()?globalThis:e("./implementation")},{"./implementation":84,"./is-implemented":86}],86:[function(e,t,r){"use strict";t.exports=function(){return"object"==typeof globalThis&&(!!globalThis&&globalThis.Array===Array)}},{}],87:[function(e,t,r){r.read=function(e,t,r,n,i){var o,s,a=8*i-n-1,c=(1<<a)-1,u=c>>1,l=-7,f=r?i-1:0,p=r?-1:1,h=e[t+f];for(f+=p,o=h&(1<<-l)-1,h>>=-l,l+=a;l>0;o=256*o+e[t+f],f+=p,l-=8);for(s=o&(1<<-l)-1,o>>=-l,l+=n;l>0;s=256*s+e[t+f],f+=p,l-=8);if(0===o)o=1-u;else{if(o===c)return s?NaN:1/0*(h?-1:1);s+=Math.pow(2,n),o-=u}return(h?-1:1)*s*Math.pow(2,o-n)},r.write=function(e,t,r,n,i,o){var s,a,c,u=8*o-i-1,l=(1<<u)-1,f=l>>1,p=23===i?Math.pow(2,-24)-Math.pow(2,-77):0,h=n?0:o-1,d=n?1:-1,g=t<0||0===t&&1/t<0?1:0;for(t=Math.abs(t),isNaN(t)||t===1/0?(a=isNaN(t)?1:0,s=l):(s=Math.floor(Math.log(t)/Math.LN2),t*(c=Math.pow(2,-s))<1&&(s--,c*=2),(t+=s+f>=1?p/c:p*Math.pow(2,1-f))*c>=2&&(s++,c/=2),s+f>=l?(a=0,s=l):s+f>=1?(a=(t*c-1)*Math.pow(2,i),s+=f):(a=t*Math.pow(2,f-1)*Math.pow(2,i),s=0));i>=8;e[r+h]=255&a,h+=d,a/=256,i-=8);for(s=s<<i|a,u+=i;u>0;e[r+h]=255&s,h+=d,s/=256,u-=8);e[r+h-d]|=128*g}},{}],88:[function(e,t,r){"function"==typeof Object.create?t.exports=function(e,t){t&&(e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}))}:t.exports=function(e,t){if(t){e.super_=t;var r=function(){};r.prototype=t.prototype,e.prototype=new r,e.prototype.constructor=e}}},{}],89:[function(e,t,r){function n(e){return!!e.constructor&&"function"==typeof e.constructor.isBuffer&&e.constructor.isBuffer(e)}t.exports=function(e){return null!=e&&(n(e)||function(e){return"function"==typeof e.readFloatLE&&"function"==typeof e.slice&&n(e.slice(0,0))}(e)||!!e._isBuffer)}},{}],90:[function(e,t,r){var n={}.toString;t.exports=Array.isArray||function(e){return"[object Array]"==n.call(e)}},{}],91:[function(e,t,r){"use strict";var n=e("safe-buffer").Buffer,i=t.exports;for(var o in i.types={0:"reserved",1:"connect",2:"connack",3:"publish",4:"puback",5:"pubrec",6:"pubrel",7:"pubcomp",8:"subscribe",9:"suback",10:"unsubscribe",11:"unsuback",12:"pingreq",13:"pingresp",14:"disconnect",15:"auth"},i.codes={},i.types){var s=i.types[o];i.codes[s]=o}for(var a in i.CMD_SHIFT=4,i.CMD_MASK=240,i.DUP_MASK=8,i.QOS_MASK=3,i.QOS_SHIFT=1,i.RETAIN_MASK=1,i.LENGTH_MASK=127,i.LENGTH_FIN_MASK=128,i.SESSIONPRESENT_MASK=1,i.SESSIONPRESENT_HEADER=n.from([i.SESSIONPRESENT_MASK]),i.CONNACK_HEADER=n.from([i.codes.connack<<i.CMD_SHIFT]),i.USERNAME_MASK=128,i.PASSWORD_MASK=64,i.WILL_RETAIN_MASK=32,i.WILL_QOS_MASK=24,i.WILL_QOS_SHIFT=3,i.WILL_FLAG_MASK=4,i.CLEAN_SESSION_MASK=2,i.CONNECT_HEADER=n.from([i.codes.connect<<i.CMD_SHIFT]),i.properties={sessionExpiryInterval:17,willDelayInterval:24,receiveMaximum:33,maximumPacketSize:39,topicAliasMaximum:34,requestResponseInformation:25,requestProblemInformation:23,userProperties:38,authenticationMethod:21,authenticationData:22,payloadFormatIndicator:1,messageExpiryInterval:2,contentType:3,responseTopic:8,correlationData:9,maximumQoS:36,retainAvailable:37,assignedClientIdentifier:18,reasonString:31,wildcardSubscriptionAvailable:40,subscriptionIdentifiersAvailable:41,sharedSubscriptionAvailable:42,serverKeepAlive:19,responseInformation:26,serverReference:28,topicAlias:35,subscriptionIdentifier:11},i.propertiesCodes={},i.properties){var c=i.properties[a];i.propertiesCodes[c]=a}function u(e){return[0,1,2].map(function(t){return[0,1].map(function(r){return[0,1].map(function(o){var s=n.alloc(1);return s.writeUInt8(i.codes[e]<<i.CMD_SHIFT|(r?i.DUP_MASK:0)|t<<i.QOS_SHIFT|o,0,!0),s})})})}i.propertiesTypes={sessionExpiryInterval:"int32",willDelayInterval:"int32",receiveMaximum:"int16",maximumPacketSize:"int32",topicAliasMaximum:"int16",requestResponseInformation:"byte",requestProblemInformation:"byte",userProperties:"pair",authenticationMethod:"string",authenticationData:"binary",payloadFormatIndicator:"byte",messageExpiryInterval:"int32",contentType:"string",responseTopic:"string",correlationData:"binary",maximumQoS:"int8",retainAvailable:"byte",assignedClientIdentifier:"string",reasonString:"string",wildcardSubscriptionAvailable:"byte",subscriptionIdentifiersAvailable:"byte",sharedSubscriptionAvailable:"byte",serverKeepAlive:"int16",responseInformation:"string",serverReference:"string",topicAlias:"int16",subscriptionIdentifier:"var"},i.PUBLISH_HEADER=u("publish"),i.SUBSCRIBE_HEADER=u("subscribe"),i.SUBSCRIBE_OPTIONS_QOS_MASK=3,i.SUBSCRIBE_OPTIONS_NL_MASK=1,i.SUBSCRIBE_OPTIONS_NL_SHIFT=2,i.SUBSCRIBE_OPTIONS_RAP_MASK=1,i.SUBSCRIBE_OPTIONS_RAP_SHIFT=3,i.SUBSCRIBE_OPTIONS_RH_MASK=3,i.SUBSCRIBE_OPTIONS_RH_SHIFT=4,i.SUBSCRIBE_OPTIONS_RH=[0,16,32],i.SUBSCRIBE_OPTIONS_NL=4,i.SUBSCRIBE_OPTIONS_RAP=8,i.SUBSCRIBE_OPTIONS_QOS=[0,1,2],i.UNSUBSCRIBE_HEADER=u("unsubscribe"),i.ACKS={unsuback:u("unsuback"),puback:u("puback"),pubcomp:u("pubcomp"),pubrel:u("pubrel"),pubrec:u("pubrec")},i.SUBACK_HEADER=n.from([i.codes.suback<<i.CMD_SHIFT]),i.VERSION3=n.from([3]),i.VERSION4=n.from([4]),i.VERSION5=n.from([5]),i.QOS=[0,1,2].map(function(e){return n.from([e])}),i.EMPTY={pingreq:n.from([i.codes.pingreq<<4,0]),pingresp:n.from([i.codes.pingresp<<4,0]),disconnect:n.from([i.codes.disconnect<<4,0])}},{"safe-buffer":117}],92:[function(e,t,r){"use strict";var n=e("safe-buffer").Buffer,i=e("./writeToStream"),o=e("events").EventEmitter;function s(){this._array=new Array(20),this._i=0}e("inherits")(s,o),s.prototype.write=function(e){return this._array[this._i++]=e,!0},s.prototype.concat=function(){var e,t,r=0,i=new Array(this._array.length),o=this._array,s=0;for(e=0;e<o.length&&void 0!==o[e];e++)"string"!=typeof o[e]?i[e]=o[e].length:i[e]=n.byteLength(o[e]),r+=i[e];for(t=n.allocUnsafe(r),e=0;e<o.length&&void 0!==o[e];e++)"string"!=typeof o[e]?(o[e].copy(t,s),s+=i[e]):(t.write(o[e],s),s+=i[e]);return t},t.exports=function(e,t){var r=new s;return i(e,r,t),r.concat()}},{"./writeToStream":97,events:83,inherits:88,"safe-buffer":117}],93:[function(e,t,r){"use strict";r.parser=e("./parser"),r.generate=e("./generate"),r.writeToStream=e("./writeToStream")},{"./generate":92,"./parser":96,"./writeToStream":97}],94:[function(e,t,r){"use strict";var n=e("safe-buffer").Buffer,i=65536,o={};function s(e){var t=n.allocUnsafe(2);return t.writeUInt8(e>>8,0),t.writeUInt8(255&e,1),t}t.exports={cache:o,generateCache:function(){for(var e=0;e<i;e++)o[e]=s(e)},generateNumber:s,genBufVariableByteInt:function(e){var t=0,r=0,i=function(e){return e>=0&&e<128?1:e>=128&&e<16384?2:e>=16384&&e<2097152?3:e>=2097152&&e<268435456?4:0}(e),o=n.allocUnsafe(i);do{t=e%128|0,(e=e/128|0)>0&&(t|=128),o.writeUInt8(t,r++)}while(e>0);return{data:o,length:i}},generate4ByteBuffer:function(e){var t=n.allocUnsafe(4);return t.writeUInt32BE(e,0),t}}},{"safe-buffer":117}],95:[function(e,t,r){t.exports=function(){this.cmd=null,this.retain=!1,this.qos=0,this.dup=!1,this.length=-1,this.topic=null,this.payload=null}},{}],96:[function(e,t,r){"use strict";var n=e("bl"),i=e("inherits"),o=e("events").EventEmitter,s=e("./packet"),a=e("./constants"),c=e("debug")("mqtt-packet:parser");function u(e){if(!(this instanceof u))return new u(e);this.settings=e||{},this._states=["_parseHeader","_parseLength","_parsePayload","_newPacket"],this._resetState()}i(u,o),u.prototype._resetState=function(){c("_resetState: resetting packet, error, _list, and _stateCounter"),this.packet=new s,this.error=null,this._list=n(),this._stateCounter=0},u.prototype.parse=function(e){for(this.error&&this._resetState(),this._list.append(e),c("parse: current state: %s",this._states[this._stateCounter]);(-1!==this.packet.length||this._list.length>0)&&this[this._states[this._stateCounter]]()&&!this.error;)this._stateCounter++,c("parse: state complete. _stateCounter is now: %d",this._stateCounter),c("parse: packet.length: %d, buffer list length: %d",this.packet.length,this._list.length),this._stateCounter>=this._states.length&&(this._stateCounter=0);return c("parse: exited while loop. packet: %d, buffer list length: %d",this.packet.length,this._list.length),this._list.length},u.prototype._parseHeader=function(){var e=this._list.readUInt8(0);return this.packet.cmd=a.types[e>>a.CMD_SHIFT],this.packet.retain=0!=(e&a.RETAIN_MASK),this.packet.qos=e>>a.QOS_SHIFT&a.QOS_MASK,this.packet.dup=0!=(e&a.DUP_MASK),c("_parseHeader: packet: %o",this.packet),this._list.consume(1),!0},u.prototype._parseLength=function(){var e=this._parseVarByteNum(!0);return e&&(this.packet.length=e.value,this._list.consume(e.bytes)),c("_parseLength %d",e.value),!!e},u.prototype._parsePayload=function(){c("_parsePayload: payload %O",this._list);var e=!1;if(0===this.packet.length||this._list.length>=this.packet.length){switch(this._pos=0,this.packet.cmd){case"connect":this._parseConnect();break;case"connack":this._parseConnack();break;case"publish":this._parsePublish();break;case"puback":case"pubrec":case"pubrel":case"pubcomp":this._parseConfirmation();break;case"subscribe":this._parseSubscribe();break;case"suback":this._parseSuback();break;case"unsubscribe":this._parseUnsubscribe();break;case"unsuback":this._parseUnsuback();break;case"pingreq":case"pingresp":break;case"disconnect":this._parseDisconnect();break;case"auth":this._parseAuth();break;default:this._emitError(new Error("Not supported"))}e=!0}return c("_parsePayload complete result: %s",e),e},u.prototype._parseConnect=function(){var e,t,r,n,i,o;c("_parseConnect");var s={},u=this.packet;if(null===(e=this._parseString()))return this._emitError(new Error("Cannot parse protocolId"));if("MQTT"!==e&&"MQIsdp"!==e)return this._emitError(new Error("Invalid protocolId"));if(u.protocolId=e,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(u.protocolVersion=this._list.readUInt8(this._pos),3!==u.protocolVersion&&4!==u.protocolVersion&&5!==u.protocolVersion)return this._emitError(new Error("Invalid protocol version"));if(this._pos++,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(s.username=this._list.readUInt8(this._pos)&a.USERNAME_MASK,s.password=this._list.readUInt8(this._pos)&a.PASSWORD_MASK,s.will=this._list.readUInt8(this._pos)&a.WILL_FLAG_MASK,s.will&&(u.will={},u.will.retain=0!=(this._list.readUInt8(this._pos)&a.WILL_RETAIN_MASK),u.will.qos=(this._list.readUInt8(this._pos)&a.WILL_QOS_MASK)>>a.WILL_QOS_SHIFT),u.clean=0!=(this._list.readUInt8(this._pos)&a.CLEAN_SESSION_MASK),this._pos++,u.keepalive=this._parseNum(),-1===u.keepalive)return this._emitError(new Error("Packet too short"));if(5===u.protocolVersion){var l=this._parseProperties();Object.getOwnPropertyNames(l).length&&(u.properties=l)}if(null===(t=this._parseString()))return this._emitError(new Error("Packet too short"));if(u.clientId=t,c("_parseConnect: packet.clientId: %s",u.clientId),s.will){if(5===u.protocolVersion){var f=this._parseProperties();Object.getOwnPropertyNames(f).length&&(u.will.properties=f)}if(null===(r=this._parseString()))return this._emitError(new Error("Cannot parse will topic"));if(u.will.topic=r,c("_parseConnect: packet.will.topic: %s",u.will.topic),null===(n=this._parseBuffer()))return this._emitError(new Error("Cannot parse will payload"));u.will.payload=n,c("_parseConnect: packet.will.paylaod: %s",u.will.payload)}if(s.username){if(null===(o=this._parseString()))return this._emitError(new Error("Cannot parse username"));u.username=o,c("_parseConnect: packet.username: %s",u.username)}if(s.password){if(null===(i=this._parseBuffer()))return this._emitError(new Error("Cannot parse password"));u.password=i}return this.settings=u,c("_parseConnect: complete"),u},u.prototype._parseConnack=function(){c("_parseConnack");var e=this.packet;if(this._list.length<2)return null;if(e.sessionPresent=!!(this._list.readUInt8(this._pos++)&a.SESSIONPRESENT_MASK),5===this.settings.protocolVersion?e.reasonCode=this._list.readUInt8(this._pos++):e.returnCode=this._list.readUInt8(this._pos++),-1===e.returnCode||-1===e.reasonCode)return this._emitError(new Error("Cannot parse return code"));if(5===this.settings.protocolVersion){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}c("_parseConnack: complete")},u.prototype._parsePublish=function(){c("_parsePublish");var e=this.packet;if(e.topic=this._parseString(),null===e.topic)return this._emitError(new Error("Cannot parse topic"));if(!(e.qos>0)||this._parseMessageId()){if(5===this.settings.protocolVersion){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}e.payload=this._list.slice(this._pos,e.length),c("_parsePublish: payload from buffer list: %o",e.payload)}},u.prototype._parseSubscribe=function(){c("_parseSubscribe");var e,t,r,n,i,o,s,u=this.packet;if(1!==u.qos)return this._emitError(new Error("Wrong subscribe header"));if(u.subscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var l=this._parseProperties();Object.getOwnPropertyNames(l).length&&(u.properties=l)}for(;this._pos<u.length;){if(null===(e=this._parseString()))return this._emitError(new Error("Cannot parse topic"));if(this._pos>=u.length)return this._emitError(new Error("Malformed Subscribe Payload"));r=(t=this._parseByte())&a.SUBSCRIBE_OPTIONS_QOS_MASK,o=0!=(t>>a.SUBSCRIBE_OPTIONS_NL_SHIFT&a.SUBSCRIBE_OPTIONS_NL_MASK),i=0!=(t>>a.SUBSCRIBE_OPTIONS_RAP_SHIFT&a.SUBSCRIBE_OPTIONS_RAP_MASK),n=t>>a.SUBSCRIBE_OPTIONS_RH_SHIFT&a.SUBSCRIBE_OPTIONS_RH_MASK,s={topic:e,qos:r},5===this.settings.protocolVersion&&(s.nl=o,s.rap=i,s.rh=n),c("_parseSubscribe: push subscription `%s` to subscription",s),u.subscriptions.push(s)}}},u.prototype._parseSuback=function(){c("_parseSuback");var e=this.packet;if(this.packet.granted=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}for(;this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}},u.prototype._parseUnsubscribe=function(){c("_parseUnsubscribe");var e=this.packet;if(e.unsubscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}for(;this._pos<e.length;){var r;if(null===(r=this._parseString()))return this._emitError(new Error("Cannot parse topic"));c("_parseUnsubscribe: push topic `%s` to unsubscriptions",r),e.unsubscriptions.push(r)}}},u.prototype._parseUnsuback=function(){c("_parseUnsuback");var e=this.packet;if(!this._parseMessageId())return this._emitError(new Error("Cannot parse messageId"));if(5===this.settings.protocolVersion){var t=this._parseProperties();for(Object.getOwnPropertyNames(t).length&&(e.properties=t),e.granted=[];this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}},u.prototype._parseConfirmation=function(){c("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);var e=this.packet;if(this._parseMessageId(),5===this.settings.protocolVersion&&(e.length>2&&(e.reasonCode=this._parseByte(),c("_parseConfirmation: packet.reasonCode `%d`",e.reasonCode)),e.length>3)){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return!0},u.prototype._parseDisconnect=function(){var e=this.packet;if(c("_parseDisconnect"),5===this.settings.protocolVersion){e.reasonCode=this._parseByte();var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return c("_parseDisconnect result: true"),!0},u.prototype._parseAuth=function(){c("_parseAuth");var e=this.packet;if(5!==this.settings.protocolVersion)return this._emitError(new Error("Not supported auth packet for this version MQTT"));e.reasonCode=this._parseByte();var t=this._parseProperties();return Object.getOwnPropertyNames(t).length&&(e.properties=t),c("_parseAuth: result: true"),!0},u.prototype._parseMessageId=function(){var e=this.packet;return e.messageId=this._parseNum(),null===e.messageId?(this._emitError(new Error("Cannot parse messageId")),!1):(c("_parseMessageId: packet.messageId %d",e.messageId),!0)},u.prototype._parseString=function(e){var t,r=this._parseNum(),n=r+this._pos;return-1===r||n>this._list.length||n>this.packet.length?null:(t=this._list.toString("utf8",this._pos,n),this._pos+=r,c("_parseString: result: %s",t),t)},u.prototype._parseStringPair=function(){return c("_parseStringPair"),{name:this._parseString(),value:this._parseString()}},u.prototype._parseBuffer=function(){var e,t=this._parseNum(),r=t+this._pos;return-1===t||r>this._list.length||r>this.packet.length?null:(e=this._list.slice(this._pos,r),this._pos+=t,c("_parseBuffer: result: %o",e),e)},u.prototype._parseNum=function(){if(this._list.length-this._pos<2)return-1;var e=this._list.readUInt16BE(this._pos);return this._pos+=2,c("_parseNum: result: %s",e),e},u.prototype._parse4ByteNum=function(){if(this._list.length-this._pos<4)return-1;var e=this._list.readUInt32BE(this._pos);return this._pos+=4,c("_parse4ByteNum: result: %s",e),e},u.prototype._parseVarByteNum=function(e){c("_parseVarByteNum");for(var t,r=0,n=1,i=0,o=!0,s=this._pos?this._pos:0;r<5&&(i+=n*((t=this._list.readUInt8(s+r++))&a.LENGTH_MASK),n*=128,0!=(t&a.LENGTH_FIN_MASK));)if(this._list.length<=r){o=!1;break}return s&&(this._pos+=r),c("_parseVarByteNum: result: %o",o=!!o&&(e?{bytes:r,value:i}:i)),o},u.prototype._parseByte=function(){var e=this._list.readUInt8(this._pos);return this._pos++,c("_parseByte: result: %o",e),e},u.prototype._parseByType=function(e){switch(c("_parseByType: type: %s",e),e){case"byte":return 0!==this._parseByte();case"int8":return this._parseByte();case"int16":return this._parseNum();case"int32":return this._parse4ByteNum();case"var":return this._parseVarByteNum();case"string":return this._parseString();case"pair":return this._parseStringPair();case"binary":return this._parseBuffer()}},u.prototype._parseProperties=function(){c("_parseProperties");for(var e=this._parseVarByteNum(),t=this._pos+e,r={};this._pos<t;){var n=this._parseByte(),i=a.propertiesCodes[n];if(!i)return this._emitError(new Error("Unknown property")),!1;if("userProperties"!==i)r[i]?Array.isArray(r[i])?r[i].push(this._parseByType(a.propertiesTypes[i])):(r[i]=[r[i]],r[i].push(this._parseByType(a.propertiesTypes[i]))):r[i]=this._parseByType(a.propertiesTypes[i]);else{r[i]||(r[i]={});var o=this._parseByType(a.propertiesTypes[i]);if(r[i][o.name])if(Array.isArray(r[i][o.name]))r[i][o.name].push(o.value);else{var s=r[i][o.name];r[i][o.name]=[s],r[i][o.name].push(o.value)}else r[i][o.name]=o.value}}return r},u.prototype._newPacket=function(){return c("_newPacket"),this.packet&&(this._list.consume(this.packet.length),c("_newPacket: parser emit packet: packet.cmd: %s, packet.payload: %s, packet.length: %d",this.packet.cmd,this.packet.payload,this.packet.length),this.emit("packet",this.packet)),c("_newPacket: new packet"),this.packet=new s,this._pos=0,!0},u.prototype._emitError=function(e){c("_emitError"),this.error=e,this.emit("error",e)},t.exports=u},{"./constants":91,"./packet":95,bl:11,debug:17,events:83,inherits:88}],97:[function(e,t,r){"use strict";var n=e("./constants"),i=e("safe-buffer").Buffer,o=i.allocUnsafe(0),s=i.from([0]),a=e("./numbers"),c=e("process-nextick-args").nextTick,u=e("debug")("mqtt-packet:writeToStream"),l=a.cache,f=a.generateNumber,p=a.generateCache,h=a.genBufVariableByteInt,d=a.generate4ByteBuffer,g=k,b=!0;function m(e,t,r){switch(u("generate called"),t.cork&&(t.cork(),c(y,t)),b&&(b=!1,p()),u("generate: packet.cmd: %s",e.cmd),e.cmd){case"connect":return function(e,t,r){var o=e||{},s=o.protocolId||"MQTT",a=o.protocolVersion||4,c=o.will,u=o.clean,l=o.keepalive||0,f=o.clientId||"",p=o.username,h=o.password,d=o.properties;void 0===u&&(u=!0);var b=0;if(!s||"string"!=typeof s&&!i.isBuffer(s))return t.emit("error",new Error("Invalid protocolId")),!1;b+=s.length+2;if(3!==a&&4!==a&&5!==a)return t.emit("error",new Error("Invalid protocol version")),!1;b+=1;if("string"!=typeof f&&!i.isBuffer(f)||!f&&4!==a||!f&&!u){if(a<4)return t.emit("error",new Error("clientId must be supplied before 3.1.1")),!1;if(1*u==0)return t.emit("error",new Error("clientId must be given if cleanSession set to 0")),!1}else b+=f.length+2;if("number"!=typeof l||l<0||l>65535||l%1!=0)return t.emit("error",new Error("Invalid keepalive")),!1;b+=2;if(b+=1,5===a){var m=I(t,d);if(!m)return!1;b+=m.length}if(c){if("object"!=typeof c)return t.emit("error",new Error("Invalid will")),!1;if(!c.topic||"string"!=typeof c.topic)return t.emit("error",new Error("Invalid will topic")),!1;if(b+=i.byteLength(c.topic)+2,b+=2,c.payload){if(!(c.payload.length>=0))return t.emit("error",new Error("Invalid will payload")),!1;"string"==typeof c.payload?b+=i.byteLength(c.payload):b+=c.payload.length}var y={};if(5===a){if(!(y=I(t,c.properties)))return!1;b+=y.length}}var _=!1;if(null!=p){if(!T(p))return t.emit("error",new Error("Invalid username")),!1;_=!0,b+=i.byteLength(p)+2}if(null!=h){if(!_)return t.emit("error",new Error("Username is required to use password")),!1;if(!T(h))return t.emit("error",new Error("Invalid password")),!1;b+=A(h)+2}t.write(n.CONNECT_HEADER),v(t,b),E(t,s),t.write(4===a?n.VERSION4:5===a?n.VERSION5:n.VERSION3);var S=0;S|=null!=p?n.USERNAME_MASK:0,S|=null!=h?n.PASSWORD_MASK:0,S|=c&&c.retain?n.WILL_RETAIN_MASK:0,S|=c&&c.qos?c.qos<<n.WILL_QOS_SHIFT:0,S|=c?n.WILL_FLAG_MASK:0,S|=u?n.CLEAN_SESSION_MASK:0,t.write(i.from([S])),g(t,l),5===a&&m.write();E(t,f),c&&(5===a&&y.write(),w(t,c.topic),E(t,c.payload));null!=p&&E(t,p);null!=h&&E(t,h);return!0}(e,t);case"connack":return function(e,t,r){var o=r?r.protocolVersion:4,a=e||{},c=5===o?a.reasonCode:a.returnCode,u=a.properties,l=2;if("number"!=typeof c)return t.emit("error",new Error("Invalid return code")),!1;var f=null;if(5===o){if(!(f=I(t,u)))return!1;l+=f.length}t.write(n.CONNACK_HEADER),v(t,l),t.write(a.sessionPresent?n.SESSIONPRESENT_HEADER:s),t.write(i.from([c])),null!=f&&f.write();return!0}(e,t,r);case"publish":return function(e,t,r){u("publish: packet: %o",e);var s=r?r.protocolVersion:4,a=e||{},c=a.qos||0,l=a.retain?n.RETAIN_MASK:0,f=a.topic,p=a.payload||o,h=a.messageId,d=a.properties,b=0;if("string"==typeof f)b+=i.byteLength(f)+2;else{if(!i.isBuffer(f))return t.emit("error",new Error("Invalid topic")),!1;b+=f.length+2}i.isBuffer(p)?b+=p.length:b+=i.byteLength(p);if(c&&"number"!=typeof h)return t.emit("error",new Error("Invalid messageId")),!1;c&&(b+=2);var m=null;if(5===s){if(!(m=I(t,d)))return!1;b+=m.length}t.write(n.PUBLISH_HEADER[c][a.dup?1:0][l?1:0]),v(t,b),g(t,A(f)),t.write(f),c>0&&g(t,h);null!=m&&m.write();return u("publish: payload: %o",p),t.write(p)}(e,t,r);case"puback":case"pubrec":case"pubrel":case"pubcomp":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.cmd||"puback",c=s.messageId,u=s.dup&&"pubrel"===a?n.DUP_MASK:0,l=0,f=s.reasonCode,p=s.properties,h=5===o?3:2;"pubrel"===a&&(l=1);if("number"!=typeof c)return t.emit("error",new Error("Invalid messageId")),!1;var d=null;if(5===o&&"object"==typeof p){if(!(d=C(t,p,r,h)))return!1;h+=d.length}t.write(n.ACKS[a][l][u][0]),v(t,h),g(t,c),5===o&&t.write(i.from([f]));null!==d&&d.write();return!0}(e,t,r);case"subscribe":return function(e,t,r){u("subscribe: packet: ");var o=r?r.protocolVersion:4,s=e||{},a=s.dup?n.DUP_MASK:0,c=s.messageId,l=s.subscriptions,f=s.properties,p=0;if("number"!=typeof c)return t.emit("error",new Error("Invalid messageId")),!1;p+=2;var h=null;if(5===o){if(!(h=I(t,f)))return!1;p+=h.length}if("object"!=typeof l||!l.length)return t.emit("error",new Error("Invalid subscriptions")),!1;for(var d=0;d<l.length;d+=1){var b=l[d].topic,m=l[d].qos;if("string"!=typeof b)return t.emit("error",new Error("Invalid subscriptions - invalid topic")),!1;if("number"!=typeof m)return t.emit("error",new Error("Invalid subscriptions - invalid qos")),!1;if(5===o){var y=l[d].nl||!1;if("boolean"!=typeof y)return t.emit("error",new Error("Invalid subscriptions - invalid No Local")),!1;var _=l[d].rap||!1;if("boolean"!=typeof _)return t.emit("error",new Error("Invalid subscriptions - invalid Retain as Published")),!1;var S=l[d].rh||0;if("number"!=typeof S||S>2)return t.emit("error",new Error("Invalid subscriptions - invalid Retain Handling")),!1}p+=i.byteLength(b)+2+1}u("subscribe: writing to stream: %o",n.SUBSCRIBE_HEADER),t.write(n.SUBSCRIBE_HEADER[1][a?1:0][0]),v(t,p),g(t,c),null!==h&&h.write();for(var k=!0,x=0;x<l.length;x++){var E,C=l[x],O=C.topic,j=C.qos,A=+C.nl,T=+C.rap,P=C.rh;w(t,O),E=n.SUBSCRIBE_OPTIONS_QOS[j],5===o&&(E|=A?n.SUBSCRIBE_OPTIONS_NL:0,E|=T?n.SUBSCRIBE_OPTIONS_RAP:0,E|=P?n.SUBSCRIBE_OPTIONS_RH[P]:0),k=t.write(i.from([E]))}return k}(e,t,r);case"suback":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.messageId,c=s.granted,u=s.properties,l=0;if("number"!=typeof a)return t.emit("error",new Error("Invalid messageId")),!1;l+=2;if("object"!=typeof c||!c.length)return t.emit("error",new Error("Invalid qos vector")),!1;for(var f=0;f<c.length;f+=1){if("number"!=typeof c[f])return t.emit("error",new Error("Invalid qos vector")),!1;l+=1}var p=null;if(5===o){if(!(p=C(t,u,r,l)))return!1;l+=p.length}t.write(n.SUBACK_HEADER),v(t,l),g(t,a),null!==p&&p.write();return t.write(i.from(c))}(e,t,r);case"unsubscribe":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.messageId,c=s.dup?n.DUP_MASK:0,u=s.unsubscriptions,l=s.properties,f=0;if("number"!=typeof a)return t.emit("error",new Error("Invalid messageId")),!1;f+=2;if("object"!=typeof u||!u.length)return t.emit("error",new Error("Invalid unsubscriptions")),!1;for(var p=0;p<u.length;p+=1){if("string"!=typeof u[p])return t.emit("error",new Error("Invalid unsubscriptions")),!1;f+=i.byteLength(u[p])+2}var h=null;if(5===o){if(!(h=I(t,l)))return!1;f+=h.length}t.write(n.UNSUBSCRIBE_HEADER[1][c?1:0][0]),v(t,f),g(t,a),null!==h&&h.write();for(var d=!0,b=0;b<u.length;b++)d=w(t,u[b]);return d}(e,t,r);case"unsuback":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.messageId,c=s.dup?n.DUP_MASK:0,u=s.granted,l=s.properties,f=s.cmd,p=2;if("number"!=typeof a)return t.emit("error",new Error("Invalid messageId")),!1;if(5===o){if("object"!=typeof u||!u.length)return t.emit("error",new Error("Invalid qos vector")),!1;for(var h=0;h<u.length;h+=1){if("number"!=typeof u[h])return t.emit("error",new Error("Invalid qos vector")),!1;p+=1}}var d=null;if(5===o){if(!(d=C(t,l,r,p)))return!1;p+=d.length}t.write(n.ACKS[f][0][c][0]),v(t,p),g(t,a),null!==d&&d.write();5===o&&t.write(i.from(u));return!0}(e,t,r);case"pingreq":case"pingresp":return function(e,t,r){return t.write(n.EMPTY[e.cmd])}(e,t);case"disconnect":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.reasonCode,c=s.properties,u=5===o?1:0,l=null;if(5===o){if(!(l=C(t,c,r,u)))return!1;u+=l.length}t.write(i.from([n.codes.disconnect<<4])),v(t,u),5===o&&t.write(i.from([a]));null!==l&&l.write();return!0}(e,t,r);case"auth":return function(e,t,r){var o=r?r.protocolVersion:4,s=e||{},a=s.reasonCode,c=s.properties,u=5===o?1:0;5!==o&&t.emit("error",new Error("Invalid mqtt version for auth packet"));var l=C(t,c,r,u);if(!l)return!1;u+=l.length,t.write(i.from([n.codes.auth<<4])),v(t,u),t.write(i.from([a])),null!==l&&l.write();return!0}(e,t,r);default:return t.emit("error",new Error("Unknown command")),!1}}function y(e){e.uncork()}Object.defineProperty(m,"cacheNumbers",{get:function(){return g===k},set:function(e){e?(l&&0!==Object.keys(l).length||(b=!0),g=k):(b=!1,g=x)}});var _={};function v(e,t){var r=_[t];r||(r=h(t).data,t<16384&&(_[t]=r)),u("writeVarByteInt: writing to stream: %o",r),e.write(r)}function w(e,t){var r=i.byteLength(t);return g(e,r),u("writeString: %s",t),e.write(t,"utf8")}function S(e,t,r){w(e,t),w(e,r)}function k(e,t){return u("writeNumberCached: number: %d",t),u("writeNumberCached: %o",l[t]),e.write(l[t])}function x(e,t){var r=f(t);return u("writeNumberGenerated: %o",r),e.write(r)}function E(e,t){"string"==typeof t?w(e,t):t?(g(e,t.length),e.write(t)):g(e,0)}function I(e,t){if("object"!=typeof t||null!=t.length)return{length:1,write:function(){j(e,{},0)}};var r=0;function o(t,r){var o=0;switch(n.propertiesTypes[t]){case"byte":if("boolean"!=typeof r)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=2;break;case"int8":if("number"!=typeof r||r<0||r>255)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=2;break;case"binary":if(r&&null===r)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=1+i.byteLength(r)+2;break;case"int16":if("number"!=typeof r||r<0||r>65535)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=3;break;case"int32":if("number"!=typeof r||r<0||r>4294967295)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=5;break;case"var":if("number"!=typeof r||r<0||r>4294967295)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=1+h(r).length;break;case"string":if("string"!=typeof r)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=3+i.byteLength(r.toString());break;case"pair":if("object"!=typeof r)return e.emit("error",new Error("Invalid "+t+": "+r)),!1;o+=Object.getOwnPropertyNames(r).reduce(function(e,t){var n=r[t];return Array.isArray(n)?e+=n.reduce(function(e,r){return e+=3+i.byteLength(t.toString())+2+i.byteLength(r.toString())},0):e+=3+i.byteLength(t.toString())+2+i.byteLength(r[t].toString()),e},0);break;default:return e.emit("error",new Error("Invalid property "+t+": "+r)),!1}return o}if(t)for(var s in t){var a=0,c=0,u=t[s];if(Array.isArray(u))for(var l=0;l<u.length;l++){if(!(c=o(s,u[l])))return!1;a+=c}else{if(!(c=o(s,u)))return!1;a=c}if(!a)return!1;r+=a}return{length:h(r).length+r,write:function(){j(e,t,r)}}}function C(e,t,r,n){var i=["reasonString","userProperties"],o=r&&r.properties&&r.properties.maximumPacketSize?r.properties.maximumPacketSize:0,s=I(e,t);if(o)for(;n+s.length>o;){var a=i.shift();if(!a||!t[a])return!1;delete t[a],s=I(e,t)}return s}function O(e,t,r){switch(n.propertiesTypes[t]){case"byte":e.write(i.from([n.properties[t]])),e.write(i.from([+r]));break;case"int8":e.write(i.from([n.properties[t]])),e.write(i.from([r]));break;case"binary":e.write(i.from([n.properties[t]])),E(e,r);break;case"int16":e.write(i.from([n.properties[t]])),g(e,r);break;case"int32":e.write(i.from([n.properties[t]])),function(e,t){var r=d(t);u("write4ByteNumber: %o",r),e.write(r)}(e,r);break;case"var":e.write(i.from([n.properties[t]])),v(e,r);break;case"string":e.write(i.from([n.properties[t]])),w(e,r);break;case"pair":Object.getOwnPropertyNames(r).forEach(function(o){var s=r[o];Array.isArray(s)?s.forEach(function(r){e.write(i.from([n.properties[t]])),S(e,o.toString(),r.toString())}):(e.write(i.from([n.properties[t]])),S(e,o.toString(),s.toString()))});break;default:return e.emit("error",new Error("Invalid property "+t+" value: "+r)),!1}}function j(e,t,r){for(var n in v(e,r),t)if(t.hasOwnProperty(n)&&null!==t[n]){var i=t[n];if(Array.isArray(i))for(var o=0;o<i.length;o++)O(e,n,i[o]);else O(e,n,i)}}function A(e){return e?e instanceof i?e.length:i.byteLength(e):0}function T(e){return"string"==typeof e||e instanceof i}t.exports=m},{"./constants":91,"./numbers":94,debug:17,"process-nextick-args":100,"safe-buffer":117}],98:[function(e,t,r){var n=1e3,i=60*n,o=60*i,s=24*o,a=7*s,c=365.25*s;function u(e,t,r,n){var i=t>=1.5*r;return Math.round(e/r)+" "+n+(i?"s":"")}t.exports=function(e,t){t=t||{};var r=typeof e;if("string"===r&&e.length>0)return function(e){if((e=String(e)).length>100)return;var t=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);if(!t)return;var r=parseFloat(t[1]);switch((t[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return r*c;case"weeks":case"week":case"w":return r*a;case"days":case"day":case"d":return r*s;case"hours":case"hour":case"hrs":case"hr":case"h":return r*o;case"minutes":case"minute":case"mins":case"min":case"m":return r*i;case"seconds":case"second":case"secs":case"sec":case"s":return r*n;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r;default:return}}(e);if("number"===r&&isFinite(e))return t.long?function(e){var t=Math.abs(e);if(t>=s)return u(e,t,s,"day");if(t>=o)return u(e,t,o,"hour");if(t>=i)return u(e,t,i,"minute");if(t>=n)return 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