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disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},G.prototype.publish=function(S,P,L,H){f("publish :: message `%s` to topic `%s`",P,S);let re=this.options;if(typeof L=="function"&&(H=L,L=null),L=_({qos:0,retain:!1,dup:!1},L),this._checkDisconnecting(H))return this;let W=this,U=function(){let X=0;if((L.qos===1||L.qos===2)&&(X=W._nextId(),X===null))return f("No messageId left"),!1;let $={cmd:"publish",topic:S,payload:P,qos:L.qos,retain:L.retain,messageId:X,dup:L.dup};switch(re.protocolVersion===5&&($.properties=L.properties),f("publish :: qos",L.qos),L.qos){case 1:case 2:W.outgoing[$.messageId]={volatile:!1,cb:H||ie},f("MqttClient:publish: packet cmd: %s",$.cmd),W._sendPacket($,void 0,L.cbStorePut);break;default:f("MqttClient:publish: packet cmd: %s",$.cmd),W._sendPacket($,H,L.cbStorePut);break}return!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!U())&&this._storeProcessingQueue.push({invoke:U,cbStorePut:L.cbStorePut,callback:H}),this},G.prototype.subscribe=function(){let S=this,P=new Array(arguments.length);for(let Z=0;Z<arguments.length;Z++)P[Z]=arguments[Z];let L=[],H=P.shift(),re=H.resubscribe,ee=P.pop()||ie,W=P.pop(),U=this.options.protocolVersion;delete H.resubscribe,typeof H=="string"&&(H=[H]),typeof ee!="function"&&(W=ee,ee=ie);let X=g.validateTopics(H);if(X!==null)return M(ee,new Error("Invalid topic "+X)),this;if(this._checkDisconnecting(ee))return f("subscribe: discconecting true"),this;let $={qos:0};if(U===5&&($.nl=!1,$.rap=!1,$.rh=0),W=_($,W),Array.isArray(H)?H.forEach(function(Z){if(f("subscribe: array topic %s",Z),!Object.prototype.hasOwnProperty.call(S._resubscribeTopics,Z)||S._resubscribeTopics[Z].qos<W.qos||re){let F={topic:Z,qos:W.qos};U===5&&(F.nl=W.nl,F.rap=W.rap,F.rh=W.rh,F.properties=W.properties),f("subscribe: pushing topic `%s` and qos `%s` to subs list",F.topic,F.qos),L.push(F)}}):Object.keys(H).forEach(function(Z){if(f("subscribe: object topic %s",Z),!Object.prototype.hasOwnProperty.call(S._resubscribeTopics,Z)||S._resubscribeTopics[Z].qos<H[Z].qos||re){let F={topic:Z,qos:H[Z].qos};U===5&&(F.nl=H[Z].nl,F.rap=H[Z].rap,F.rh=H[Z].rh,F.properties=W.properties),f("subscribe: pushing `%s` to subs list",F),L.push(F)}}),!L.length)return ee(null,[]),this;let le=function(){let Z=S._nextId();if(Z===null)return f("No messageId left"),!1;let F={cmd:"subscribe",subscriptions:L,qos:1,retain:!1,dup:!1,messageId:Z};if(W.properties&&(F.properties=W.properties),S.options.resubscribe){f("subscribe :: resubscribe true");let k=[];L.forEach(function(Q){if(S.options.reconnectPeriod>0){let te={qos:Q.qos};U===5&&(te.nl=Q.nl||!1,te.rap=Q.rap||!1,te.rh=Q.rh||0,te.properties=Q.properties),S._resubscribeTopics[Q.topic]=te,k.push(Q.topic)}}),S.messageIdToTopic[F.messageId]=k}return S.outgoing[F.messageId]={volatile:!0,cb:function(k,Q){if(!k){let te=Q.granted;for(let R=0;R<te.length;R+=1)L[R].qos=te[R]}ee(k,L)}},f("subscribe :: call _sendPacket"),S._sendPacket(F),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!le())&&this._storeProcessingQueue.push({invoke:le,callback:ee}),this},G.prototype.unsubscribe=function(){let S=this,P=new Array(arguments.length);for(let U=0;U<arguments.length;U++)P[U]=arguments[U];let L=P.shift(),H=P.pop()||ie,re=P.pop();typeof L=="string"&&(L=[L]),typeof H!="function"&&(re=H,H=ie);let ee=g.validateTopics(L);if(ee!==null)return M(H,new Error("Invalid topic "+ee)),this;if(S._checkDisconnecting(H))return this;let W=function(){let U=S._nextId();if(U===null)return f("No messageId left"),!1;let X={cmd:"unsubscribe",qos:1,messageId:U};return typeof L=="string"?X.unsubscriptions=[L]:Array.isArray(L)&&(X.unsubscriptions=L),S.options.resubscribe&&X.unsubscriptions.forEach(function($){delete S._resubscribeTopics[$]}),typeof re=="object"&&re.properties&&(X.properties=re.properties),S.outgoing[X.messageId]={volatile:!0,cb:H},f("unsubscribe: call _sendPacket"),S._sendPacket(X),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!W())&&this._storeProcessingQueue.push({invoke:W,callback:H}),this},G.prototype.end=function(S,P,L){let H=this;f("end :: (%s)",this.options.clientId),(S==null||typeof S!="boolean")&&(L=P||ie,P=S,S=!1,typeof P!="object"&&(L=P,P=null,typeof L!="function"&&(L=ie))),typeof P!="object"&&(L=P,P=null),f("end :: cb? %s",!!L),L=L||ie;function re(){f("end :: closeStores: closing incoming and outgoing stores"),H.disconnected=!0,H.incomingStore.close(function(W){H.outgoingStore.close(function(U){if(f("end :: closeStores: emitting end"),H.emit("end"),L){let X=W||U;f("end :: closeStores: invoking callback with args"),L(X)}})}),H._deferredReconnect&&H._deferredReconnect()}function ee(){f("end :: (%s) :: finish :: calling _cleanUp with force %s",H.options.clientId,S),H._cleanUp(S,()=>{f("end :: finish :: calling process.nextTick on closeStores"),E(re.bind(H))},P)}return this.disconnecting?(L(),this):(this._clearReconnect(),this.disconnecting=!0,!S&&Object.keys(this.outgoing).length>0?(f("end :: (%s) :: calling finish in 10ms once outgoing is empty",H.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,ee,10))):(f("end :: (%s) :: immediately calling finish",H.options.clientId),ee()),this)},G.prototype.removeOutgoingMessage=function(S){let P=this.outgoing[S]?this.outgoing[S].cb:null;return delete this.outgoing[S],this.outgoingStore.del({messageId:S},function(){P(new Error("Message removed"))}),this},G.prototype.reconnect=function(S){f("client reconnect");let P=this,L=function(){S?(P.options.incomingStore=S.incomingStore,P.options.outgoingStore=S.outgoingStore):(P.options.incomingStore=null,P.options.outgoingStore=null),P.incomingStore=P.options.incomingStore||new c,P.outgoingStore=P.options.outgoingStore||new c,P.disconnecting=!1,P.disconnected=!1,P._deferredReconnect=null,P._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=L:L(),this},G.prototype._reconnect=function(){f("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end(()=>{this._setupStream()}),f("client already connected. disconnecting first.")):(f("_reconnect: calling _setupStream"),this._setupStream())},G.prototype._setupReconnect=function(){let S=this;!S.disconnecting&&!S.reconnectTimer&&S.options.reconnectPeriod>0?(this.reconnecting||(f("_setupReconnect :: emit `offline` state"),this.emit("offline"),f("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),f("_setupReconnect :: setting reconnectTimer for %d ms",S.options.reconnectPeriod),S.reconnectTimer=setInterval(function(){f("reconnectTimer :: reconnect triggered!"),S._reconnect()},S.options.reconnectPeriod)):f("_setupReconnect :: doing nothing...")},G.prototype._clearReconnect=function(){f("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},G.prototype._cleanUp=function(S,P){let L=arguments[2];if(P&&(f("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",P)),f("_cleanUp :: forced? %s",S),S)this.options.reconnectPeriod===0&&this.options.clean&&B(this.outgoing),f("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{let H=_({cmd:"disconnect"},L);f("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(H,M.bind(null,this.stream.end.bind(this.stream)))}this.disconnecting||(f("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),this.pingTimer!==null&&(f("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),P&&!this.connected&&(f("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",P),P())},G.prototype._sendPacket=function(S,P,L){f("_sendPacket :: (%s) ::  start",this.options.clientId),L=L||ie,P=P||ie;let H=O(this,S);if(H){P(H);return}if(!this.connected){if(S.cmd==="auth"){this._shiftPingInterval(),V(this,S,P);return}f("_sendPacket :: client not connected. 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Clearing flag and sending `pingreq`"),this.pingResp=!1,this._sendPacket({cmd:"pingreq"})):(f("_checkPing :: calling _cleanUp with force true"),this._cleanUp(!0))},G.prototype._handlePingresp=function(){this.pingResp=!0},G.prototype._handleConnack=function(S){f("_handleConnack");let P=this.options,H=P.protocolVersion===5?S.reasonCode:S.returnCode;if(clearTimeout(this.connackTimer),delete this.topicAliasSend,S.properties){if(S.properties.topicAliasMaximum){if(S.properties.topicAliasMaximum>65535){this.emit("error",new Error("topicAliasMaximum from broker is out of range"));return}S.properties.topicAliasMaximum>0&&(this.topicAliasSend=new i(S.properties.topicAliasMaximum))}S.properties.serverKeepAlive&&P.keepalive&&(P.keepalive=S.properties.serverKeepAlive,this._shiftPingInterval()),S.properties.maximumPacketSize&&(P.properties||(P.properties={}),P.properties.maximumPacketSize=S.properties.maximumPacketSize)}if(H===0)this.reconnecting=!1,this._onConnect(S);else if(H>0){let re=new Error("Connection refused: "+j[H]);re.code=H,this.emit("error",re)}},G.prototype._handleAuth=function(S){let L=this.options.protocolVersion,H=L===5?S.reasonCode:S.returnCode;if(L!==5){let ee=new Error("Protocol error: Auth packets are only supported in MQTT 5. Your version:"+L);ee.code=H,this.emit("error",ee);return}let re=this;this.handleAuth(S,function(ee,W){if(ee){re.emit("error",ee);return}if(H===24)re.reconnecting=!1,re._sendPacket(W);else{let U=new Error("Connection refused: "+j[H]);ee.code=H,re.emit("error",U)}})},G.prototype.handleAuth=function(S,P){P()},G.prototype._handlePublish=function(S,P){f("_handlePublish: packet %o",S),P=typeof P<"u"?P:ie;let L=S.topic.toString(),H=S.payload,re=S.qos,ee=S.messageId,W=this,U=this.options,X=[0,16,128,131,135,144,145,151,153];if(this.options.protocolVersion===5){let $;if(S.properties&&($=S.properties.topicAlias),typeof $<"u")if(L.length===0)if($>0&&$<=65535){let le=this.topicAliasRecv.getTopicByAlias($);if(le)L=le,f("_handlePublish :: topic complemented by alias. topic: %s - alias: %d",L,$);else{f("_handlePublish :: unregistered topic alias. alias: %d",$),this.emit("error",new Error("Received unregistered Topic Alias"));return}}else{f("_handlePublish :: topic alias out of range. alias: %d",$),this.emit("error",new Error("Received Topic Alias is out of range"));return}else if(this.topicAliasRecv.put(L,$))f("_handlePublish :: registered topic: %s - alias: %d",L,$);else{f("_handlePublish :: topic alias out of range. alias: %d",$),this.emit("error",new Error("Received Topic Alias is out of range"));return}}switch(f("_handlePublish: qos %d",re),re){case 2:{U.customHandleAcks(L,H,S,function($,le){if($ instanceof Error||(le=$,$=null),$)return W.emit("error",$);if(X.indexOf(le)===-1)return W.emit("error",new Error("Wrong reason code for pubrec"));le?W._sendPacket({cmd:"pubrec",messageId:ee,reasonCode:le},P):W.incomingStore.put(S,function(){W._sendPacket({cmd:"pubrec",messageId:ee},P)})});break}case 1:{U.customHandleAcks(L,H,S,function($,le){if($ instanceof Error||(le=$,$=null),$)return W.emit("error",$);if(X.indexOf(le)===-1)return W.emit("error",new Error("Wrong reason code for puback"));le||W.emit("message",L,H,S),W.handleMessage(S,function(Z){if(Z)return P&&P(Z);W._sendPacket({cmd:"puback",messageId:ee,reasonCode:le},P)})});break}case 0:this.emit("message",L,H,S),this.handleMessage(S,P);break;default:f("_handlePublish: unknown QoS. Doing nothing.");break}},G.prototype.handleMessage=function(S,P){P()},G.prototype._handleAck=function(S){let P=S.messageId,L=S.cmd,H=null,re=this.outgoing[P]?this.outgoing[P].cb:null,ee=this,W;if(!re){f("_handleAck :: Server sent an ack in error. Ignoring.");return}switch(f("_handleAck :: packet type",L),L){case"pubcomp":case"puback":{let U=S.reasonCode;U&&U>0&&U!==16&&(W=new Error("Publish error: "+j[U]),W.code=U,re(W,S)),delete this.outgoing[P],this.outgoingStore.del(S,re),this.messageIdProvider.deallocate(P),this._invokeStoreProcessingQueue();break}case"pubrec":{H={cmd:"pubrel",qos:2,messageId:P};let U=S.reasonCode;U&&U>0&&U!==16?(W=new Error("Publish error: "+j[U]),W.code=U,re(W,S)):this._sendPacket(H);break}case"suback":{delete this.outgoing[P],this.messageIdProvider.deallocate(P);for(let U=0;U<S.granted.length;U++)if(S.granted[U]&128){let X=this.messageIdToTopic[P];X&&X.forEach(function($){delete ee._resubscribeTopics[$]})}this._invokeStoreProcessingQueue(),re(null,S);break}case"unsuback":{delete this.outgoing[P],this.messageIdProvider.deallocate(P),this._invokeStoreProcessingQueue(),re(null);break}default:ee.emit("error",new Error("unrecognized packet type"))}this.disconnecting&&Object.keys(this.outgoing).length===0&&this.emit("outgoingEmpty")},G.prototype._handlePubrel=function(S,P){f("handling pubrel packet"),P=typeof P<"u"?P:ie;let L=S.messageId,H=this,re={cmd:"pubcomp",messageId:L};H.incomingStore.get(S,function(ee,W){ee?H._sendPacket(re,P):(H.emit("message",W.topic,W.payload,W),H.handleMessage(W,function(U){if(U)return P(U);H.incomingStore.del(W,ie),H._sendPacket(re,P)}))})},G.prototype._handleDisconnect=function(S){this.emit("disconnect",S)},G.prototype._nextId=function(){return this.messageIdProvider.allocate()},G.prototype.getLastMessageId=function(){return this.messageIdProvider.getLastAllocated()},G.prototype._resubscribe=function(){f("_resubscribe");let S=Object.keys(this._resubscribeTopics);if(!this._firstConnection&&(this.options.clean||this.options.protocolVersion===5&&!this.connackPacket.sessionPresent)&&S.length>0)if(this.options.resubscribe)if(this.options.protocolVersion===5){f("_resubscribe: protocolVersion 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U=H.read(1),X;if(!U){H.once("readable",W);return}if(P._packetIdsDuringStoreProcessing[U.messageId]){W();return}!P.disconnecting&&!P.reconnectTimer?(X=P.outgoing[U.messageId]?P.outgoing[U.messageId].cb:null,P.outgoing[U.messageId]={volatile:!1,cb:function($,le){X&&X($,le),W()}},P._packetIdsDuringStoreProcessing[U.messageId]=!0,P.messageIdProvider.register(U.messageId)?P._sendPacket(U):f("messageId: %d has already used.",U.messageId)):H.destroy&&H.destroy()}H.on("end",function(){let U=!0;for(let X in P._packetIdsDuringStoreProcessing)if(!P._packetIdsDuringStoreProcessing[X]){U=!1;break}U?(re(),P.removeListener("close",ee),P._invokeAllStoreProcessingQueue(),P.emit("connect",S)):L()}),W()}L()},G.prototype._invokeStoreProcessingQueue=function(){if(this._storeProcessingQueue.length>0){let S=this._storeProcessingQueue[0];if(S&&S.invoke())return 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g._write=function(_,f,E){c.sendSocketMessage({data:_.buffer,success:function(){E()},fail:function(){E(new Error)}})},g._flush=function(f){c.closeSocket({success:function(){f()}})},g}function t(g){g.hostname||(g.hostname="localhost"),g.path||(g.path="/"),g.wsOptions||(g.wsOptions={})}function s(g,_){let f=g.protocol==="alis"?"wss":"ws",E=f+"://"+g.hostname+g.path;return g.port&&g.port!==80&&g.port!==443&&(E=f+"://"+g.hostname+":"+g.port+g.path),typeof g.transformWsUrl=="function"&&(E=g.transformWsUrl(E,g,_)),E}function u(){r||(r=!0,c.onSocketOpen(function(){i.setReadable(o),i.setWritable(o),i.emit("connect")}),c.onSocketMessage(function(g){if(typeof g.data=="string"){let _=h.from(g.data,"base64");o.push(_)}else{let _=new FileReader;_.addEventListener("load",function(){let f=_.result;f instanceof ArrayBuffer?f=h.from(f):f=h.from(f,"utf8"),o.push(f)}),_.readAsArrayBuffer(g.data)}}),c.onSocketClose(function(){i.end(),i.destroy()}),c.onSocketError(function(g){i.destroy(g)}))}function d(g,_){if(_.hostname=_.hostname||_.host,!_.hostname)throw new Error("Could not determine host. 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Error("Cannot parse will topic"));if(g.will.topic=e,o("_parseConnect: packet.will.topic: %s",g.will.topic),t=this._parseBuffer(),t===null)return this._emitError(new Error("Cannot parse will payload"));g.will.payload=t,o("_parseConnect: packet.will.paylaod: %s",g.will.payload)}if(d.username){if(u=this._parseString(),u===null)return this._emitError(new Error("Cannot parse username"));g.username=u,o("_parseConnect: packet.username: %s",g.username)}if(d.password){if(s=this._parseBuffer(),s===null)return this._emitError(new Error("Cannot parse password"));g.password=s}return this.settings=g,o("_parseConnect: complete"),g}_parseConnack(){o("_parseConnack");let e=this.packet;if(this._list.length<1)return null;if(e.sessionPresent=!!(this._list.readUInt8(this._pos++)&c.SESSIONPRESENT_MASK),this.settings.protocolVersion===5)this._list.length>=2?e.reasonCode=this._list.readUInt8(this._pos++):e.reasonCode=0;else{if(this._list.length<2)return null;e.returnCode=this._list.readUInt8(this._pos++)}if(e.returnCode===-1||e.reasonCode===-1)return this._emitError(new Error("Cannot parse return code"));if(this.settings.protocolVersion===5){let t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}o("_parseConnack: complete")}_parsePublish(){o("_parsePublish");let e=this.packet;if(e.topic=this._parseString(),e.topic===null)return this._emitError(new Error("Cannot parse topic"));if(!(e.qos>0&&!this._parseMessageId())){if(this.settings.protocolVersion===5){let t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}e.payload=this._list.slice(this._pos,e.length),o("_parsePublish: payload from buffer list: %o",e.payload)}}_parseSubscribe(){o("_parseSubscribe");let e=this.packet,t,s,u,d,g,_,f;if(e.qos!==1)return this._emitError(new Error("Wrong subscribe header"));if(e.subscriptions=[],!!this._parseMessageId()){if(this.settings.protocolVersion===5){let E=this._parseProperties();Object.getOwnPropertyNames(E).length&&(e.properties=E)}for(;this._pos<e.length;){if(t=this._parseString(),t===null)return this._emitError(new Error("Cannot parse topic"));if(this._pos>=e.length)return this._emitError(new Error("Malformed Subscribe Payload"));s=this._parseByte(),u=s&c.SUBSCRIBE_OPTIONS_QOS_MASK,_=(s>>c.SUBSCRIBE_OPTIONS_NL_SHIFT&c.SUBSCRIBE_OPTIONS_NL_MASK)!==0,g=(s>>c.SUBSCRIBE_OPTIONS_RAP_SHIFT&c.SUBSCRIBE_OPTIONS_RAP_MASK)!==0,d=s>>c.SUBSCRIBE_OPTIONS_RH_SHIFT&c.SUBSCRIBE_OPTIONS_RH_MASK,f={topic:t,qos:u},this.settings.protocolVersion===5?(f.nl=_,f.rap=g,f.rh=d):this.settings.bridgeMode&&(f.rh=0,f.rap=!0,f.nl=!0),o("_parseSubscribe: push subscription `%s` to subscription",f),e.subscriptions.push(f)}}}_parseSuback(){o("_parseSuback");let e=this.packet;if(this.packet.granted=[],!!this._parseMessageId()){if(this.settings.protocolVersion===5){let 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++))}}_parseUnsubscribe(){o("_parseUnsubscribe");let e=this.packet;if(e.unsubscriptions=[],!!this._parseMessageId()){if(this.settings.protocolVersion===5){let t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}for(;this._pos<e.length;){let t=this._parseString();if(t===null)return this._emitError(new Error("Cannot parse topic"));o("_parseUnsubscribe: push topic `%s` to unsubscriptions",t),e.unsubscriptions.push(t)}}}_parseUnsuback(){o("_parseUnsuback");let e=this.packet;if(!this._parseMessageId())return this._emitError(new Error("Cannot parse messageId"));if(this.settings.protocolVersion===5){let 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++))}}_parseConfirmation(){o("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);let e=this.packet;if(this._parseMessageId(),this.settings.protocolVersion===5&&(e.length>2?(e.reasonCode=this._parseByte(),o("_parseConfirmation: packet.reasonCode `%d`",e.reasonCode)):e.reasonCode=0,e.length>3)){let t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return!0}_parseDisconnect(){let e=this.packet;if(o("_parseDisconnect"),this.settings.protocolVersion===5){this._list.length>0?e.reasonCode=this._parseByte():e.reasonCode=0;let t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return o("_parseDisconnect result: true"),!0}_parseAuth(){o("_parseAuth");let e=this.packet;if(this.settings.protocolVersion!==5)return this._emitError(new Error("Not supported auth packet for this version MQTT"));e.reasonCode=this._parseByte();let t=this._parseProperties();return Object.getOwnPropertyNames(t).length&&(e.properties=t),o("_parseAuth: result: true"),!0}_parseMessageId(){let e=this.packet;return e.messageId=this._parseNum(),e.messageId===null?(this._emitError(new Error("Cannot parse messageId")),!1):(o("_parseMessageId: packet.messageId %d",e.messageId),!0)}_parseString(e){let t=this._parseNum(),s=t+this._pos;if(t===-1||s>this._list.length||s>this.packet.length)return null;let u=this._list.toString("utf8",this._pos,s);return this._pos+=t,o("_parseString: result: %s",u),u}_parseStringPair(){return o("_parseStringPair"),{name:this._parseString(),value:this._parseString()}}_parseBuffer(){let e=this._parseNum(),t=e+this._pos;if(e===-1||t>this._list.length||t>this.packet.length)return null;let s=this._list.slice(this._pos,t);return this._pos+=e,o("_parseBuffer: result: %o",s),s}_parseNum(){if(this._list.length-this._pos<2)return-1;let e=this._list.readUInt16BE(this._pos);return this._pos+=2,o("_parseNum: result: %s",e),e}_parse4ByteNum(){if(this._list.length-this._pos<4)return-1;let e=this._list.readUInt32BE(this._pos);return this._pos+=4,o("_parse4ByteNum: result: %s",e),e}_parseVarByteNum(e){o("_parseVarByteNum");let t=4,s=0,u=1,d=0,g=!1,_,f=this._pos?this._pos:0;for(;s<t&&f+s<this._list.length;){if(_=this._list.readUInt8(f+s++),d+=u*(_&c.VARBYTEINT_MASK),u*=128,!(_&c.VARBYTEINT_FIN_MASK)){g=!0;break}if(this._list.length<=s)break}return!g&&s===t&&this._list.length>=s&&this._emitError(new Error("Invalid variable byte integer")),f&&(this._pos+=s),g=g?e?{bytes:s,value:d}:d:!1,o("_parseVarByteNum: result: %o",g),g}_parseByte(){let e;return this._pos<this._list.length&&(e=this._list.readUInt8(this._pos),this._pos++),o("_parseByte: result: %o",e),e}_parseByType(e){switch(o("_parseByType: type: %s",e),e){case"byte":return this._parseByte()!==0;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()}}_parseProperties(){o("_parseProperties");let e=this._parseVarByteNum(),s=this._pos+e,u={};for(;this._pos<s;){let d=this._parseByte();if(!d)return this._emitError(new Error("Cannot parse property code type")),!1;let g=c.propertiesCodes[d];if(!g)return this._emitError(new Error("Unknown property")),!1;if(g==="userProperties"){u[g]||(u[g]=Object.create(null));let _=this._parseByType(c.propertiesTypes[g]);if(u[g][_.name])if(Array.isArray(u[g][_.name]))u[g][_.name].push(_.value);else{let f=u[g][_.name];u[g][_.name]=[f],u[g][_.name].push(_.value)}else u[g][_.name]=_.value;continue}u[g]?Array.isArray(u[g])?u[g].push(this._parseByType(c.propertiesTypes[g])):(u[g]=[u[g]],u[g].push(this._parseByType(c.propertiesTypes[g]))):u[g]=this._parseByType(c.propertiesTypes[g])}return u}_newPacket(){return o("_newPacket"),this.packet&&(this._list.consume(this.packet.length),o("_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)),o("_newPacket: new packet"),this.packet=new y,this._pos=0,!0}_emitError(e){o("_emitError"),this.error=e,this.emit("error",e)}}T.exports=i},{"./constants":46,"./packet":50,bl:19,debug:20,events:4}],52:[function(m,T,v){(function(h){(function(){let p=m("./constants"),y=h.allocUnsafe(0),c=h.from([0]),o=m("./numbers"),i=m("process-nextick-args").nextTick,r=m("debug")("mqtt-packet:writeToStream"),e=o.cache,t=o.generateNumber,s=o.generateCache,u=o.genBufVariableByteInt,d=o.generate4ByteBuffer,g=L,_=!0;function f(F,k,Q){switch(r("generate called"),k.cork&&(k.cork(),i(E,k)),_&&(_=!1,s()),r("generate: packet.cmd: %s",F.cmd),F.cmd){case"connect":return M(F,k,Q);case"connack":return A(F,k,Q);case"publish":return z(F,k,Q);case"puback":case"pubrec":case"pubrel":case"pubcomp":return j(F,k,Q);case"subscribe":return x(F,k,Q);case"suback":return O(F,k,Q);case"unsubscribe":return C(F,k,Q);case"unsuback":return V(F,k,Q);case"pingreq":case"pingresp":return B(F,k,Q);case"disconnect":return ne(F,k,Q);case"auth":return oe(F,k,Q);default:return k.emit("error",new Error("Unknown command")),!1}}Object.defineProperty(f,"cacheNumbers",{get(){return g===L},set(F){F?((!e||Object.keys(e).length===0)&&(_=!0),g=L):(_=!1,g=H)}});function E(F){F.uncork()}function M(F,k,Q){let te=F||{},R=te.protocolId||"MQTT",I=te.protocolVersion||4,N=te.will,q=te.clean,Y=te.keepalive||0,b=te.clientId||"",l=te.username,n=te.password,a=te.properties;q===void 0&&(q=!0);let w=0;if(!R||typeof R!="string"&&!h.isBuffer(R))return k.emit("error",new Error("Invalid protocolId")),!1;if(w+=R.length+2,I!==3&&I!==4&&I!==5)return k.emit("error",new Error("Invalid protocol version")),!1;if(w+=1,(typeof b=="string"||h.isBuffer(b))&&(b||I>=4)&&(b||q))w+=h.byteLength(b)+2;else{if(I<4)return k.emit("error",new Error("clientId must be supplied before 3.1.1")),!1;if(q*1===0)return k.emit("error",new Error("clientId must be given if cleanSession set to 0")),!1}if(typeof Y!="number"||Y<0||Y>65535||Y%1!==0)return k.emit("error",new Error("Invalid keepalive")),!1;if(w+=2,w+=1,I===5){var D=W(k,a);if(!D)return!1;w+=D.length}if(N){if(typeof N!="object")return k.emit("error",new Error("Invalid will")),!1;if(!N.topic||typeof N.topic!="string")return k.emit("error",new Error("Invalid will topic")),!1;if(w+=h.byteLength(N.topic)+2,w+=2,N.payload)if(N.payload.length>=0)typeof N.payload=="string"?w+=h.byteLength(N.payload):w+=N.payload.length;else return k.emit("error",new Error("Invalid will payload")),!1;var K={};if(I===5){if(K=W(k,N.properties),!K)return!1;w+=K.length}}let J=!1;if(l!=null)if(Z(l))J=!0,w+=h.byteLength(l)+2;else return k.emit("error",new Error("Invalid username")),!1;if(n!=null){if(!J)return k.emit("error",new Error("Username is required to use password")),!1;if(Z(n))w+=le(n)+2;else return k.emit("error",new Error("Invalid password")),!1}k.write(p.CONNECT_HEADER),G(k,w),ee(k,R),te.bridgeMode&&(I+=128),k.write(I===131?p.VERSION131:I===132?p.VERSION132:I===4?p.VERSION4:I===5?p.VERSION5:p.VERSION3);let ue=0;return ue|=l!=null?p.USERNAME_MASK:0,ue|=n!=null?p.PASSWORD_MASK:0,ue|=N&&N.retain?p.WILL_RETAIN_MASK:0,ue|=N&&N.qos?N.qos<<p.WILL_QOS_SHIFT:0,ue|=N?p.WILL_FLAG_MASK:0,ue|=q?p.CLEAN_SESSION_MASK:0,k.write(h.from([ue])),g(k,Y),I===5&&D.write(),ee(k,b),N&&(I===5&&K.write(),S(k,N.topic),ee(k,N.payload)),l!=null&&ee(k,l),n!=null&&ee(k,n),!0}function A(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=te===5?R.reasonCode:R.returnCode,N=R.properties,q=2;if(typeof I!="number")return k.emit("error",new Error("Invalid return code")),!1;let Y=null;if(te===5){if(Y=W(k,N),!Y)return!1;q+=Y.length}return k.write(p.CONNACK_HEADER),G(k,q),k.write(R.sessionPresent?p.SESSIONPRESENT_HEADER:c),k.write(h.from([I])),Y?.write(),!0}function z(F,k,Q){r("publish: packet: %o",F);let te=Q?Q.protocolVersion:4,R=F||{},I=R.qos||0,N=R.retain?p.RETAIN_MASK:0,q=R.topic,Y=R.payload||y,b=R.messageId,l=R.properties,n=0;if(typeof q=="string")n+=h.byteLength(q)+2;else if(h.isBuffer(q))n+=q.length+2;else return k.emit("error",new Error("Invalid topic")),!1;if(h.isBuffer(Y)?n+=Y.length:n+=h.byteLength(Y),I&&typeof b!="number")return k.emit("error",new Error("Invalid messageId")),!1;I&&(n+=2);let a=null;if(te===5){if(a=W(k,l),!a)return!1;n+=a.length}return k.write(p.PUBLISH_HEADER[I][R.dup?1:0][N?1:0]),G(k,n),g(k,le(q)),k.write(q),I>0&&g(k,b),a?.write(),r("publish: payload: %o",Y),k.write(Y)}function j(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.cmd||"puback",N=R.messageId,q=R.dup&&I==="pubrel"?p.DUP_MASK:0,Y=0,b=R.reasonCode,l=R.properties,n=te===5?3:2;if(I==="pubrel"&&(Y=1),typeof N!="number")return k.emit("error",new Error("Invalid messageId")),!1;let a=null;if(te===5&&typeof l=="object"){if(a=U(k,l,Q,n),!a)return!1;n+=a.length}return k.write(p.ACKS[I][Y][q][0]),G(k,n),g(k,N),te===5&&k.write(h.from([b])),a!==null&&a.write(),!0}function x(F,k,Q){r("subscribe: packet: ");let te=Q?Q.protocolVersion:4,R=F||{},I=R.dup?p.DUP_MASK:0,N=R.messageId,q=R.subscriptions,Y=R.properties,b=0;if(typeof N!="number")return k.emit("error",new Error("Invalid messageId")),!1;b+=2;let l=null;if(te===5){if(l=W(k,Y),!l)return!1;b+=l.length}if(typeof q=="object"&&q.length)for(let a=0;a<q.length;a+=1){let w=q[a].topic,D=q[a].qos;if(typeof w!="string")return k.emit("error",new Error("Invalid subscriptions - invalid topic")),!1;if(typeof D!="number")return k.emit("error",new Error("Invalid subscriptions - invalid qos")),!1;if(te===5){if(typeof(q[a].nl||!1)!="boolean")return k.emit("error",new Error("Invalid subscriptions - invalid No Local")),!1;if(typeof(q[a].rap||!1)!="boolean")return k.emit("error",new Error("Invalid subscriptions - invalid Retain as Published")),!1;let ue=q[a].rh||0;if(typeof ue!="number"||ue>2)return k.emit("error",new Error("Invalid subscriptions - invalid Retain Handling")),!1}b+=h.byteLength(w)+2+1}else return k.emit("error",new Error("Invalid subscriptions")),!1;r("subscribe: writing to stream: %o",p.SUBSCRIBE_HEADER),k.write(p.SUBSCRIBE_HEADER[1][I?1:0][0]),G(k,b),g(k,N),l!==null&&l.write();let n=!0;for(let a of q){let w=a.topic,D=a.qos,K=+a.nl,J=+a.rap,ue=a.rh,ce;S(k,w),ce=p.SUBSCRIBE_OPTIONS_QOS[D],te===5&&(ce|=K?p.SUBSCRIBE_OPTIONS_NL:0,ce|=J?p.SUBSCRIBE_OPTIONS_RAP:0,ce|=ue?p.SUBSCRIBE_OPTIONS_RH[ue]:0),n=k.write(h.from([ce]))}return n}function O(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.messageId,N=R.granted,q=R.properties,Y=0;if(typeof I!="number")return k.emit("error",new Error("Invalid messageId")),!1;if(Y+=2,typeof N=="object"&&N.length)for(let l=0;l<N.length;l+=1){if(typeof N[l]!="number")return k.emit("error",new Error("Invalid qos vector")),!1;Y+=1}else return k.emit("error",new Error("Invalid qos vector")),!1;let b=null;if(te===5){if(b=U(k,q,Q,Y),!b)return!1;Y+=b.length}return k.write(p.SUBACK_HEADER),G(k,Y),g(k,I),b!==null&&b.write(),k.write(h.from(N))}function C(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.messageId,N=R.dup?p.DUP_MASK:0,q=R.unsubscriptions,Y=R.properties,b=0;if(typeof I!="number")return k.emit("error",new Error("Invalid messageId")),!1;if(b+=2,typeof q=="object"&&q.length)for(let a=0;a<q.length;a+=1){if(typeof q[a]!="string")return k.emit("error",new Error("Invalid unsubscriptions")),!1;b+=h.byteLength(q[a])+2}else return k.emit("error",new Error("Invalid unsubscriptions")),!1;let l=null;if(te===5){if(l=W(k,Y),!l)return!1;b+=l.length}k.write(p.UNSUBSCRIBE_HEADER[1][N?1:0][0]),G(k,b),g(k,I),l!==null&&l.write();let n=!0;for(let a=0;a<q.length;a++)n=S(k,q[a]);return n}function V(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.messageId,N=R.dup?p.DUP_MASK:0,q=R.granted,Y=R.properties,b=R.cmd,l=0,n=2;if(typeof I!="number")return k.emit("error",new Error("Invalid messageId")),!1;if(te===5)if(typeof q=="object"&&q.length)for(let w=0;w<q.length;w+=1){if(typeof q[w]!="number")return k.emit("error",new Error("Invalid qos vector")),!1;n+=1}else return k.emit("error",new Error("Invalid qos vector")),!1;let a=null;if(te===5){if(a=U(k,Y,Q,n),!a)return!1;n+=a.length}return k.write(p.ACKS[b][l][N][0]),G(k,n),g(k,I),a!==null&&a.write(),te===5&&k.write(h.from(q)),!0}function B(F,k,Q){return k.write(p.EMPTY[F.cmd])}function ne(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.reasonCode,N=R.properties,q=te===5?1:0,Y=null;if(te===5){if(Y=U(k,N,Q,q),!Y)return!1;q+=Y.length}return k.write(h.from([p.codes.disconnect<<4])),G(k,q),te===5&&k.write(h.from([I])),Y!==null&&Y.write(),!0}function oe(F,k,Q){let te=Q?Q.protocolVersion:4,R=F||{},I=R.reasonCode,N=R.properties,q=te===5?1:0;te!==5&&k.emit("error",new Error("Invalid mqtt version for auth packet"));let Y=U(k,N,Q,q);return Y?(q+=Y.length,k.write(h.from([p.codes.auth<<4])),G(k,q),k.write(h.from([I])),Y!==null&&Y.write(),!0):!1}let ie={};function G(F,k){if(k>p.VARBYTEINT_MAX)return F.emit("error",new Error(`Invalid variable byte integer: ${k}`)),!1;let Q=ie[k];return Q||(Q=u(k),k<16384&&(ie[k]=Q)),r("writeVarByteInt: writing to stream: %o",Q),F.write(Q)}function S(F,k){let Q=h.byteLength(k);return g(F,Q),r("writeString: %s",k),F.write(k,"utf8")}function P(F,k,Q){S(F,k),S(F,Q)}function L(F,k){return r("writeNumberCached: number: %d",k),r("writeNumberCached: %o",e[k]),F.write(e[k])}function H(F,k){let Q=t(k);return r("writeNumberGenerated: %o",Q),F.write(Q)}function re(F,k){let Q=d(k);return r("write4ByteNumber: %o",Q),F.write(Q)}function ee(F,k){typeof k=="string"?S(F,k):k?(g(F,k.length),F.write(k)):g(F,0)}function W(F,k){if(typeof 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new(T||ae)(Lt(pi),Lt(di))},ae.\u0275prov=Zt({token:ae,factory:ae.\u0275fac,providedIn:"root"});let se=ae;return se})();export{Si as a,xi as b,bi as c,Wi as d,en as e,dn as f};