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Calling _cleanUp with force `true`"),e._cleanUp(!0)}),this.options.connectTimeout)},k.prototype._handlePacket=function(t,e){var n=this.options;if(5===n.protocolVersion&&n.properties&&n.properties.maximumPacketSize&&n.properties.maximumPacketSize<t.length)return this.emit("error",new Error("exceeding packets size "+t.cmd)),this.end({reasonCode:149,properties:{reasonString:"Maximum packet size was exceeded"}}),this;switch(h("_handlePacket :: emitting packetreceive"),this.emit("packetreceive",t),t.cmd){case"publish":this._handlePublish(t,e);break;case"puback":case"pubrec":case"pubcomp":case"suback":case"unsuback":this._handleAck(t),e();break;case"pubrel":this._handlePubrel(t,e);break;case"connack":this._handleConnack(t),e();break;case"pingresp":this._handlePingresp(t),e();break;case"disconnect":this._handleDisconnect(t),e();break;default:break}},k.prototype._checkDisconnecting=function(t){return this.disconnecting&&(t?t(new Error("client disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},k.prototype.publish=function(t,e,n,r){var i;h("publish :: message `%s` to topic `%s`",e,t);var o=this.options;"function"===typeof n&&(r=n,n=null);var s={qos:0,retain:!1,dup:!1};if(n=f(s,n),this._checkDisconnecting(r))return this;switch(i={cmd:"publish",topic:t,payload:e,qos:n.qos,retain:n.retain,messageId:this._nextId(),dup:n.dup},5===o.protocolVersion&&(i.properties=n.properties,(!o.properties&&i.properties&&i.properties.topicAlias||n.properties&&o.properties&&(n.properties.topicAlias&&o.properties.topicAliasMaximum&&n.properties.topicAlias>o.properties.topicAliasMaximum||!o.properties.topicAliasMaximum&&n.properties.topicAlias))&&delete i.properties.topicAlias),h("publish :: qos",n.qos),n.qos){case 1:case 2:this.outgoing[i.messageId]={volatile:!1,cb:r||S},this._storeProcessing?(h("_storeProcessing enabled"),this._packetIdsDuringStoreProcessing[i.messageId]=!1,this._storePacket(i,void 0,n.cbStorePut)):(h("MqttClient:publish: packet cmd: %s",i.cmd),this._sendPacket(i,void 0,n.cbStorePut));break;default:this._storeProcessing?(h("_storeProcessing enabled"),this._storePacket(i,r,n.cbStorePut)):(h("MqttClient:publish: packet cmd: %s",i.cmd),this._sendPacket(i,r,n.cbStorePut));break}return this},k.prototype.subscribe=function(){for(var t,e=new Array(arguments.length),n=0;n<arguments.length;n++)e[n]=arguments[n];var r,i=[],o=e.shift(),s=o.resubscribe,a=e.pop()||S,u=e.pop(),c=this,d=this.options.protocolVersion;if(delete o.resubscribe,"string"===typeof o&&(o=[o]),"function"!==typeof a&&(u=a,a=S),r=l.validateTopics(o),null!==r)return p(a,new Error("Invalid topic "+r)),this;if(this._checkDisconnecting(a))return h("subscribe: discconecting true"),this;var _={qos:0};if(5===d&&(_.nl=!1,_.rap=!1,_.rh=0),u=f(_,u),Array.isArray(o)?o.forEach((function(t){if(h("subscribe: array topic %s",t),!c._resubscribeTopics.hasOwnProperty(t)||c._resubscribeTopics[t].qos<u.qos||s){var e={topic:t,qos:u.qos};5===d&&(e.nl=u.nl,e.rap=u.rap,e.rh=u.rh,e.properties=u.properties),h("subscribe: pushing topic `%s` and qos `%s` to subs list",e.topic,e.qos),i.push(e)}})):Object.keys(o).forEach((function(t){if(h("subscribe: object topic %s",t),!c._resubscribeTopics.hasOwnProperty(t)||c._resubscribeTopics[t].qos<o[t].qos||s){var e={topic:t,qos:o[t].qos};5===d&&(e.nl=o[t].nl,e.rap=o[t].rap,e.rh=o[t].rh,e.properties=u.properties),h("subscribe: pushing `%s` to subs list",e),i.push(e)}})),t={cmd:"subscribe",subscriptions:i,qos:1,retain:!1,dup:!1,messageId:this._nextId()},u.properties&&(t.properties=u.properties),i.length){if(this.options.resubscribe){h("subscribe :: resubscribe true");var g=[];i.forEach((function(t){if(c.options.reconnectPeriod>0){var e={qos:t.qos};5===d&&(e.nl=t.nl||!1,e.rap=t.rap||!1,e.rh=t.rh||0,e.properties=t.properties),c._resubscribeTopics[t.topic]=e,g.push(t.topic)}})),c.messageIdToTopic[t.messageId]=g}return this.outgoing[t.messageId]={volatile:!0,cb:function(t,e){if(!t)for(var n=e.granted,r=0;r<n.length;r+=1)i[r].qos=n[r];a(t,i)}},h("subscribe :: call _sendPacket"),this._sendPacket(t),this}a(null,[])},k.prototype.unsubscribe=function(){for(var t={cmd:"unsubscribe",qos:1,messageId:this._nextId()},e=this,n=new Array(arguments.length),r=0;r<arguments.length;r++)n[r]=arguments[r];var i=n.shift(),o=n.pop()||S,s=n.pop();return"string"===typeof i&&(i=[i]),"function"!==typeof o&&(s=o,o=S),this._checkDisconnecting(o)||("string"===typeof i?t.unsubscriptions=[i]:Array.isArray(i)&&(t.unsubscriptions=i),this.options.resubscribe&&t.unsubscriptions.forEach((function(t){delete e._resubscribeTopics[t]})),"object"===typeof s&&s.properties&&(t.properties=s.properties),this.outgoing[t.messageId]={volatile:!0,cb:o},h("unsubscribe: call _sendPacket"),this._sendPacket(t)),this},k.prototype.end=function(t,e,n){var i=this;function o(){h("end :: closeStores: closing incoming and outgoing stores"),i.disconnected=!0,i.incomingStore.close((function(){i.outgoingStore.close((function(){h("end :: closeStores: emitting end"),i.emit("end"),n&&(h("end :: closeStores: invoking callback with args"),n())}))})),i._deferredReconnect&&i._deferredReconnect()}function s(){h("end :: (%s) :: finish :: calling _cleanUp with force %s",i.options.clientId,t),i._cleanUp(t,()=>{h("end :: finish :: calling process.nextTick on closeStores"),r.nextTick(o.bind(i))},e)}return h("end :: (%s)",this.options.clientId),null!=t&&"boolean"===typeof t||(n=e||S,e=t,t=!1,"object"!==typeof e&&(n=e,e=null,"function"!==typeof n&&(n=S))),"object"!==typeof e&&(n=e,e=null),h("end :: cb? %s",!!n),n=n||S,this.disconnecting?(n(),this):(this._clearReconnect(),this.disconnecting=!0,!t&&Object.keys(this.outgoing).length>0?(h("end :: (%s) :: calling finish in 10ms once outgoing is empty",i.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,s,10))):(h("end :: (%s) :: immediately calling finish",i.options.clientId),s()),this)},k.prototype.removeOutgoingMessage=function(t){var e=this.outgoing[t]?this.outgoing[t].cb:null;return delete this.outgoing[t],this.outgoingStore.del({messageId:t},(function(){e(new Error("Message removed"))})),this},k.prototype.reconnect=function(t){h("client reconnect");var e=this,n=function(){t?(e.options.incomingStore=t.incomingStore,e.options.outgoingStore=t.outgoingStore):(e.options.incomingStore=null,e.options.outgoingStore=null),e.incomingStore=e.options.incomingStore||new o,e.outgoingStore=e.options.outgoingStore||new o,e.disconnecting=!1,e.disconnected=!1,e._deferredReconnect=null,e._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=n:n(),this},k.prototype._reconnect=function(){h("_reconnect: emitting reconnect to client"),this.emit("reconnect"),h("_reconnect: calling _setupStream"),this._setupStream()},k.prototype._setupReconnect=function(){var t=this;!t.disconnecting&&!t.reconnectTimer&&t.options.reconnectPeriod>0?(this.reconnecting||(h("_setupReconnect :: emit `offline` state"),this.emit("offline"),h("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),h("_setupReconnect :: setting reconnectTimer for %d ms",t.options.reconnectPeriod),t.reconnectTimer=setInterval((function(){h("reconnectTimer :: reconnect triggered!"),t._reconnect()}),t.options.reconnectPeriod)):h("_setupReconnect :: doing nothing...")},k.prototype._clearReconnect=function(){h("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},k.prototype._cleanUp=function(t,e){var n=arguments[2];if(e&&(h("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",e)),h("_cleanUp :: forced? %s",t),t)0===this.options.reconnectPeriod&&this.options.clean&&y(this.outgoing),h("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{var r=f({cmd:"disconnect"},n);h("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(r,p.bind(null,this.stream.end.bind(this.stream)))}this.disconnecting||(h("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),null!==this.pingTimer&&(h("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),e&&!this.connected&&(h("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",e),e())},k.prototype._sendPacket=function(t,e,n){if(h("_sendPacket :: (%s) ::  start",this.options.clientId),n=n||S,!this.connected)return h("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(t,e,n);switch(this._shiftPingInterval(),t.cmd){case"publish":break;case"pubrel":return void w(this,t,e,n);default:return void v(this,t,e)}switch(t.qos){case 2:case 1:w(this,t,e,n);break;case 0:default:v(this,t,e);break}h("_sendPacket :: (%s) ::  end",this.options.clientId)},k.prototype._storePacket=function(t,e,n){h("_storePacket :: packet: %o",t),h("_storePacket :: cb? %s",!!e),n=n||S,0===(t.qos||0)&&this.queueQoSZero||"publish"!==t.cmd?this.queue.push({packet:t,cb:e}):t.qos>0?(e=this.outgoing[t.messageId]?this.outgoing[t.messageId].cb:null,this.outgoingStore.put(t,(function(t){if(t)return e&&e(t);n()}))):e&&e(new Error("No connection to broker"))},k.prototype._setupPingTimer=function(){h("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive);var t=this;!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=c((function(){t._checkPing()}),1e3*this.options.keepalive))},k.prototype._shiftPingInterval=function(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)},k.prototype._checkPing=function(){h("_checkPing :: checking ping..."),this.pingResp?(h("_checkPing :: ping response received. 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Doing nothing.");break}},k.prototype.handleMessage=function(t,e){e()},k.prototype._handleAck=function(t){var e,n=t.messageId,r=t.cmd,i=null,o=this.outgoing[n]?this.outgoing[n].cb:null,s=this;if(o){switch(h("_handleAck :: packet type",r),r){case"pubcomp":case"puback":var a=t.reasonCode;a&&a>0&&16!==a&&(e=new Error("Publish error: "+g[a]),e.code=a,o(e,t)),delete this.outgoing[n],this.outgoingStore.del(t,o);break;case"pubrec":i={cmd:"pubrel",qos:2,messageId:n};var u=t.reasonCode;u&&u>0&&16!==u?(e=new Error("Publish error: "+g[u]),e.code=u,o(e,t)):this._sendPacket(i);break;case"suback":delete this.outgoing[n];for(var c=0;c<t.granted.length;c++)if(0!==(128&t.granted[c])){var l=this.messageIdToTopic[n];l&&l.forEach((function(t){delete s._resubscribeTopics[t]}))}o(null,t);break;case"unsuback":delete this.outgoing[n],o(null);break;default:s.emit("error",new Error("unrecognized packet type"))}this.disconnecting&&0===Object.keys(this.outgoing).length&&this.emit("outgoingEmpty")}else h("_handleAck :: Server sent an ack in error. 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