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disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},G.prototype.publish=function(E,T,U,q){c("publish :: message `%s` to topic `%s`",T,E);let re=this.options;if(typeof U=="function"&&(q=U,U=null),U=_({qos:0,retain:!1,dup:!1},U),this._checkDisconnecting(q))return this;let H=this,D=function(){let X=0;if((U.qos===1||U.qos===2)&&(X=H._nextId(),X===null))return c("No messageId left"),!1;let $={cmd:"publish",topic:E,payload:T,qos:U.qos,retain:U.retain,messageId:X,dup:U.dup};switch(re.protocolVersion===5&&($.properties=U.properties),c("publish :: qos",U.qos),U.qos){case 1:case 2:H.outgoing[$.messageId]={volatile:!1,cb:q||ie},c("MqttClient:publish: packet cmd: %s",$.cmd),H._sendPacket($,void 0,U.cbStorePut);break;default:c("MqttClient:publish: packet cmd: 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F={topic:Z,qos:H.qos};D===5&&(F.nl=H.nl,F.rap=H.rap,F.rh=H.rh,F.properties=H.properties),c("subscribe: pushing topic `%s` and qos `%s` to subs list",F.topic,F.qos),U.push(F)}}):Object.keys(q).forEach(function(Z){if(c("subscribe: object topic %s",Z),!Object.prototype.hasOwnProperty.call(E._resubscribeTopics,Z)||E._resubscribeTopics[Z].qos<q[Z].qos||re){let F={topic:Z,qos:q[Z].qos};D===5&&(F.nl=q[Z].nl,F.rap=q[Z].rap,F.rh=q[Z].rh,F.properties=H.properties),c("subscribe: pushing `%s` to subs list",F),U.push(F)}}),!U.length)return ee(null,[]),this;let oe=function(){let Z=E._nextId();if(Z===null)return c("No messageId left"),!1;let F={cmd:"subscribe",subscriptions:U,qos:1,retain:!1,dup:!1,messageId:Z};if(H.properties&&(F.properties=H.properties),E.options.resubscribe){c("subscribe :: resubscribe true");let B=[];U.forEach(function(Y){if(E.options.reconnectPeriod>0){let te={qos:Y.qos};D===5&&(te.nl=Y.nl||!1,te.rap=Y.rap||!1,te.rh=Y.rh||0,te.properties=Y.properties),E._resubscribeTopics[Y.topic]=te,B.push(Y.topic)}}),E.messageIdToTopic[F.messageId]=B}return E.outgoing[F.messageId]={volatile:!0,cb:function(B,Y){if(!B){let te=Y.granted;for(let O=0;O<te.length;O+=1)U[O].qos=te[O]}ee(B,U)}},c("subscribe :: call _sendPacket"),E._sendPacket(F),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!oe())&&this._storeProcessingQueue.push({invoke:oe,callback:ee}),this},G.prototype.unsubscribe=function(){let E=this,T=new Array(arguments.length);for(let D=0;D<arguments.length;D++)T[D]=arguments[D];let U=T.shift(),q=T.pop()||ie,re=T.pop();typeof U=="string"&&(U=[U]),typeof q!="function"&&(re=q,q=ie);let ee=g.validateTopics(U);if(ee!==null)return R(q,new Error("Invalid topic "+ee)),this;if(E._checkDisconnecting(q))return this;let H=function(){let D=E._nextId();if(D===null)return c("No messageId left"),!1;let X={cmd:"unsubscribe",qos:1,messageId:D};return typeof U=="string"?X.unsubscriptions=[U]:Array.isArray(U)&&(X.unsubscriptions=U),E.options.resubscribe&&X.unsubscriptions.forEach(function($){delete E._resubscribeTopics[$]}),typeof re=="object"&&re.properties&&(X.properties=re.properties),E.outgoing[X.messageId]={volatile:!0,cb:q},c("unsubscribe: call _sendPacket"),E._sendPacket(X),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!H())&&this._storeProcessingQueue.push({invoke:H,callback:q}),this},G.prototype.end=function(E,T,U){let q=this;c("end :: (%s)",this.options.clientId),(E==null||typeof E!="boolean")&&(U=T||ie,T=E,E=!1,typeof T!="object"&&(U=T,T=null,typeof U!="function"&&(U=ie))),typeof T!="object"&&(U=T,T=null),c("end :: cb? %s",!!U),U=U||ie;function re(){c("end :: closeStores: closing incoming and outgoing stores"),q.disconnected=!0,q.incomingStore.close(function(H){q.outgoingStore.close(function(D){if(c("end :: closeStores: emitting 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T=this,U=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 h,T.outgoingStore=T.options.outgoingStore||new h,T.disconnecting=!1,T.disconnected=!1,T._deferredReconnect=null,T._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=U:U(),this},G.prototype._reconnect=function(){c("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end(()=>{this._setupStream()}),c("client already connected. disconnecting first.")):(c("_reconnect: calling _setupStream"),this._setupStream())},G.prototype._setupReconnect=function(){let E=this;!E.disconnecting&&!E.reconnectTimer&&E.options.reconnectPeriod>0?(this.reconnecting||(c("_setupReconnect :: emit `offline` state"),this.emit("offline"),c("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),c("_setupReconnect :: setting reconnectTimer for %d ms",E.options.reconnectPeriod),E.reconnectTimer=setInterval(function(){c("reconnectTimer :: reconnect triggered!"),E._reconnect()},E.options.reconnectPeriod)):c("_setupReconnect :: doing nothing...")},G.prototype._clearReconnect=function(){c("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},G.prototype._cleanUp=function(E,T){let U=arguments[2];if(T&&(c("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",T)),c("_cleanUp :: forced? %s",E),E)this.options.reconnectPeriod===0&&this.options.clean&&M(this.outgoing),c("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{let q=_({cmd:"disconnect"},U);c("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(q,R.bind(null,this.stream.end.bind(this.stream)))}this.disconnecting||(c("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),this.pingTimer!==null&&(c("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),T&&!this.connected&&(c("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",T),T())},G.prototype._sendPacket=function(E,T,U){c("_sendPacket :: (%s) ::  start",this.options.clientId),U=U||ie,T=T||ie;let q=P(this,E);if(q){T(q);return}if(!this.connected){if(E.cmd==="auth"){this._shiftPingInterval(),V(this,E,T);return}c("_sendPacket :: client not connected. 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Your version:"+U);ee.code=q,this.emit("error",ee);return}let re=this;this.handleAuth(E,function(ee,H){if(ee){re.emit("error",ee);return}if(q===24)re.reconnecting=!1,re._sendPacket(H);else{let D=new Error("Connection refused: "+j[q]);ee.code=q,re.emit("error",D)}})},G.prototype.handleAuth=function(E,T){T()},G.prototype._handlePublish=function(E,T){c("_handlePublish: packet %o",E),T=typeof T<"u"?T:ie;let U=E.topic.toString(),q=E.payload,re=E.qos,ee=E.messageId,H=this,D=this.options,X=[0,16,128,131,135,144,145,151,153];if(this.options.protocolVersion===5){let $;if(E.properties&&($=E.properties.topicAlias),typeof $<"u")if(U.length===0)if($>0&&$<=65535){let oe=this.topicAliasRecv.getTopicByAlias($);if(oe)U=oe,c("_handlePublish :: topic complemented by alias. topic: %s - alias: %d",U,$);else{c("_handlePublish :: unregistered topic alias. alias: %d",$),this.emit("error",new Error("Received unregistered Topic Alias"));return}}else{c("_handlePublish :: topic alias out of range. alias: %d",$),this.emit("error",new Error("Received Topic Alias is out of range"));return}else if(this.topicAliasRecv.put(U,$))c("_handlePublish :: registered topic: %s - alias: %d",U,$);else{c("_handlePublish :: topic alias out of range. alias: %d",$),this.emit("error",new Error("Received Topic Alias is out of range"));return}}switch(c("_handlePublish: qos %d",re),re){case 2:{D.customHandleAcks(U,q,E,function($,oe){if($ instanceof Error||(oe=$,$=null),$)return H.emit("error",$);if(X.indexOf(oe)===-1)return H.emit("error",new Error("Wrong reason code for pubrec"));oe?H._sendPacket({cmd:"pubrec",messageId:ee,reasonCode:oe},T):H.incomingStore.put(E,function(){H._sendPacket({cmd:"pubrec",messageId:ee},T)})});break}case 1:{D.customHandleAcks(U,q,E,function($,oe){if($ instanceof Error||(oe=$,$=null),$)return H.emit("error",$);if(X.indexOf(oe)===-1)return H.emit("error",new Error("Wrong reason code for puback"));oe||H.emit("message",U,q,E),H.handleMessage(E,function(Z){if(Z)return T&&T(Z);H._sendPacket({cmd:"puback",messageId:ee,reasonCode:oe},T)})});break}case 0:this.emit("message",U,q,E),this.handleMessage(E,T);break;default:c("_handlePublish: unknown QoS. 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Ignoring.");return}switch(c("_handleAck :: packet type",U),U){case"pubcomp":case"puback":{let D=E.reasonCode;D&&D>0&&D!==16&&(H=new Error("Publish error: "+j[D]),H.code=D,re(H,E)),delete this.outgoing[T],this.outgoingStore.del(E,re),this.messageIdProvider.deallocate(T),this._invokeStoreProcessingQueue();break}case"pubrec":{q={cmd:"pubrel",qos:2,messageId:T};let D=E.reasonCode;D&&D>0&&D!==16?(H=new Error("Publish error: "+j[D]),H.code=D,re(H,E)):this._sendPacket(q);break}case"suback":{delete this.outgoing[T],this.messageIdProvider.deallocate(T);for(let D=0;D<E.granted.length;D++)if(E.granted[D]&128){let X=this.messageIdToTopic[T];X&&X.forEach(function($){delete ee._resubscribeTopics[$]})}this._invokeStoreProcessingQueue(),re(null,E);break}case"unsuback":{delete this.outgoing[T],this.messageIdProvider.deallocate(T),this._invokeStoreProcessingQueue(),re(null);break}default:ee.emit("error",new Error("unrecognized packet 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Error("Cannot parse will topic"));if(g.will.topic=e,s("_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,s("_parseConnect: packet.will.paylaod: %s",g.will.payload)}if(p.username){if(l=this._parseString(),l===null)return this._emitError(new Error("Cannot parse username"));g.username=l,s("_parseConnect: packet.username: %s",g.username)}if(p.password){if(o=this._parseBuffer(),o===null)return this._emitError(new Error("Cannot parse password"));g.password=o}return this.settings=g,s("_parseConnect: complete"),g}_parseConnack(){s("_parseConnack");let e=this.packet;if(this._list.length<1)return null;if(e.sessionPresent=!!(this._list.readUInt8(this._pos++)&h.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)}s("_parseConnack: complete")}_parsePublish(){s("_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),s("_parsePublish: payload from buffer list: %o",e.payload)}}_parseSubscribe(){s("_parseSubscribe");let e=this.packet,t,o,l,p,g,_,c;if(e.qos!==1)return this._emitError(new Error("Wrong subscribe header"));if(e.subscriptions=[],!!this._parseMessageId()){if(this.settings.protocolVersion===5){let v=this._parseProperties();Object.getOwnPropertyNames(v).length&&(e.properties=v)}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"));o=this._parseByte(),l=o&h.SUBSCRIBE_OPTIONS_QOS_MASK,_=(o>>h.SUBSCRIBE_OPTIONS_NL_SHIFT&h.SUBSCRIBE_OPTIONS_NL_MASK)!==0,g=(o>>h.SUBSCRIBE_OPTIONS_RAP_SHIFT&h.SUBSCRIBE_OPTIONS_RAP_MASK)!==0,p=o>>h.SUBSCRIBE_OPTIONS_RH_SHIFT&h.SUBSCRIBE_OPTIONS_RH_MASK,c={topic:t,qos:l},this.settings.protocolVersion===5?(c.nl=_,c.rap=g,c.rh=p):this.settings.bridgeMode&&(c.rh=0,c.rap=!0,c.nl=!0),s("_parseSubscribe: push subscription `%s` to subscription",c),e.subscriptions.push(c)}}}_parseSuback(){s("_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(){s("_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"));s("_parseUnsubscribe: push topic `%s` to unsubscriptions",t),e.unsubscriptions.push(t)}}}_parseUnsuback(){s("_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(){s("_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(),s("_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(s("_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 s("_parseDisconnect result: true"),!0}_parseAuth(){s("_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),s("_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):(s("_parseMessageId: packet.messageId %d",e.messageId),!0)}_parseString(e){let t=this._parseNum(),o=t+this._pos;if(t===-1||o>this._list.length||o>this.packet.length)return null;let l=this._list.toString("utf8",this._pos,o);return this._pos+=t,s("_parseString: result: %s",l),l}_parseStringPair(){return s("_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 o=this._list.slice(this._pos,t);return this._pos+=e,s("_parseBuffer: result: %o",o),o}_parseNum(){if(this._list.length-this._pos<2)return-1;let e=this._list.readUInt16BE(this._pos);return this._pos+=2,s("_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,s("_parse4ByteNum: result: %s",e),e}_parseVarByteNum(e){s("_parseVarByteNum");let t=4,o=0,l=1,p=0,g=!1,_,c=this._pos?this._pos:0;for(;o<t&&c+o<this._list.length;){if(_=this._list.readUInt8(c+o++),p+=l*(_&h.VARBYTEINT_MASK),l*=128,!(_&h.VARBYTEINT_FIN_MASK)){g=!0;break}if(this._list.length<=o)break}return!g&&o===t&&this._list.length>=o&&this._emitError(new Error("Invalid variable byte integer")),c&&(this._pos+=o),g=g?e?{bytes:o,value:p}:p:!1,s("_parseVarByteNum: result: %o",g),g}_parseByte(){let e;return this._pos<this._list.length&&(e=this._list.readUInt8(this._pos),this._pos++),s("_parseByte: result: %o",e),e}_parseByType(e){switch(s("_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(){s("_parseProperties");let e=this._parseVarByteNum(),o=this._pos+e,l={};for(;this._pos<o;){let p=this._parseByte();if(!p)return this._emitError(new Error("Cannot parse property code type")),!1;let g=h.propertiesCodes[p];if(!g)return this._emitError(new Error("Unknown property")),!1;if(g==="userProperties"){l[g]||(l[g]=Object.create(null));let _=this._parseByType(h.propertiesTypes[g]);if(l[g][_.name])if(Array.isArray(l[g][_.name]))l[g][_.name].push(_.value);else{let c=l[g][_.name];l[g][_.name]=[c],l[g][_.name].push(_.value)}else l[g][_.name]=_.value;continue}l[g]?Array.isArray(l[g])?l[g].push(this._parseByType(h.propertiesTypes[g])):(l[g]=[l[g]],l[g].push(this._parseByType(h.propertiesTypes[g]))):l[g]=this._parseByType(h.propertiesTypes[g])}return l}_newPacket(){return s("_newPacket"),this.packet&&(this._list.consume(this.packet.length),s("_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)),s("_newPacket: new packet"),this.packet=new m,this._pos=0,!0}_emitError(e){s("_emitError"),this.error=e,this.emit("error",e)}}k.exports=i},{"./constants":46,"./packet":50,bl:19,debug:20,events:4}],52:[function(y,k,x){(function(d){(function(){let f=y("./constants"),m=d.allocUnsafe(0),h=d.from([0]),s=y("./numbers"),i=y("process-nextick-args").nextTick,r=y("debug")("mqtt-packet:writeToStream"),e=s.cache,t=s.generateNumber,o=s.generateCache,l=s.genBufVariableByteInt,p=s.generate4ByteBuffer,g=U,_=!0;function c(F,B,Y){switch(r("generate called"),B.cork&&(B.cork(),i(v,B)),_&&(_=!1,o()),r("generate: packet.cmd: %s",F.cmd),F.cmd){case"connect":return R(F,B,Y);case"connack":return A(F,B,Y);case"publish":return W(F,B,Y);case"puback":case"pubrec":case"pubrel":case"pubcomp":return j(F,B,Y);case"subscribe":return I(F,B,Y);case"suback":return P(F,B,Y);case"unsubscribe":return S(F,B,Y);case"unsuback":return V(F,B,Y);case"pingreq":case"pingresp":return M(F,B,Y);case"disconnect":return ne(F,B,Y);case"auth":return se(F,B,Y);default:return B.emit("error",new Error("Unknown command")),!1}}Object.defineProperty(c,"cacheNumbers",{get(){return g===U},set(F){F?((!e||Object.keys(e).length===0)&&(_=!0),g=U):(_=!1,g=q)}});function v(F){F.uncork()}function R(F,B,Y){let te=F||{},O=te.protocolId||"MQTT",C=te.protocolVersion||4,N=te.will,z=te.clean,Q=te.keepalive||0,w=te.clientId||"",u=te.username,n=te.password,a=te.properties;z===void 0&&(z=!0);let b=0;if(!O||typeof O!="string"&&!d.isBuffer(O))return B.emit("error",new Error("Invalid protocolId")),!1;if(b+=O.length+2,C!==3&&C!==4&&C!==5)return B.emit("error",new Error("Invalid protocol version")),!1;if(b+=1,(typeof w=="string"||d.isBuffer(w))&&(w||C>=4)&&(w||z))b+=d.byteLength(w)+2;else{if(C<4)return B.emit("error",new Error("clientId must be supplied before 3.1.1")),!1;if(z*1===0)return B.emit("error",new Error("clientId must be given if cleanSession set to 0")),!1}if(typeof Q!="number"||Q<0||Q>65535||Q%1!==0)return B.emit("error",new Error("Invalid keepalive")),!1;if(b+=2,b+=1,C===5){var L=H(B,a);if(!L)return!1;b+=L.length}if(N){if(typeof N!="object")return B.emit("error",new Error("Invalid will")),!1;if(!N.topic||typeof N.topic!="string")return B.emit("error",new Error("Invalid will topic")),!1;if(b+=d.byteLength(N.topic)+2,b+=2,N.payload)if(N.payload.length>=0)typeof N.payload=="string"?b+=d.byteLength(N.payload):b+=N.payload.length;else return B.emit("error",new Error("Invalid will payload")),!1;var K={};if(C===5){if(K=H(B,N.properties),!K)return!1;b+=K.length}}let J=!1;if(u!=null)if(Z(u))J=!0,b+=d.byteLength(u)+2;else return B.emit("error",new Error("Invalid username")),!1;if(n!=null){if(!J)return B.emit("error",new Error("Username is required to use password")),!1;if(Z(n))b+=oe(n)+2;else return B.emit("error",new Error("Invalid password")),!1}B.write(f.CONNECT_HEADER),G(B,b),ee(B,O),te.bridgeMode&&(C+=128),B.write(C===131?f.VERSION131:C===132?f.VERSION132:C===4?f.VERSION4:C===5?f.VERSION5:f.VERSION3);let ae=0;return ae|=u!=null?f.USERNAME_MASK:0,ae|=n!=null?f.PASSWORD_MASK:0,ae|=N&&N.retain?f.WILL_RETAIN_MASK:0,ae|=N&&N.qos?N.qos<<f.WILL_QOS_SHIFT:0,ae|=N?f.WILL_FLAG_MASK:0,ae|=z?f.CLEAN_SESSION_MASK:0,B.write(d.from([ae])),g(B,Q),C===5&&L.write(),ee(B,w),N&&(C===5&&K.write(),E(B,N.topic),ee(B,N.payload)),u!=null&&ee(B,u),n!=null&&ee(B,n),!0}function A(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=te===5?O.reasonCode:O.returnCode,N=O.properties,z=2;if(typeof C!="number")return B.emit("error",new Error("Invalid return code")),!1;let Q=null;if(te===5){if(Q=H(B,N),!Q)return!1;z+=Q.length}return B.write(f.CONNACK_HEADER),G(B,z),B.write(O.sessionPresent?f.SESSIONPRESENT_HEADER:h),B.write(d.from([C])),Q?.write(),!0}function W(F,B,Y){r("publish: packet: %o",F);let te=Y?Y.protocolVersion:4,O=F||{},C=O.qos||0,N=O.retain?f.RETAIN_MASK:0,z=O.topic,Q=O.payload||m,w=O.messageId,u=O.properties,n=0;if(typeof z=="string")n+=d.byteLength(z)+2;else if(d.isBuffer(z))n+=z.length+2;else return B.emit("error",new Error("Invalid topic")),!1;if(d.isBuffer(Q)?n+=Q.length:n+=d.byteLength(Q),C&&typeof w!="number")return B.emit("error",new Error("Invalid messageId")),!1;C&&(n+=2);let a=null;if(te===5){if(a=H(B,u),!a)return!1;n+=a.length}return B.write(f.PUBLISH_HEADER[C][O.dup?1:0][N?1:0]),G(B,n),g(B,oe(z)),B.write(z),C>0&&g(B,w),a?.write(),r("publish: payload: %o",Q),B.write(Q)}function j(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.cmd||"puback",N=O.messageId,z=O.dup&&C==="pubrel"?f.DUP_MASK:0,Q=0,w=O.reasonCode,u=O.properties,n=te===5?3:2;if(C==="pubrel"&&(Q=1),typeof N!="number")return B.emit("error",new Error("Invalid messageId")),!1;let a=null;if(te===5&&typeof u=="object"){if(a=D(B,u,Y,n),!a)return!1;n+=a.length}return B.write(f.ACKS[C][Q][z][0]),G(B,n),g(B,N),te===5&&B.write(d.from([w])),a!==null&&a.write(),!0}function I(F,B,Y){r("subscribe: packet: ");let te=Y?Y.protocolVersion:4,O=F||{},C=O.dup?f.DUP_MASK:0,N=O.messageId,z=O.subscriptions,Q=O.properties,w=0;if(typeof N!="number")return B.emit("error",new Error("Invalid messageId")),!1;w+=2;let u=null;if(te===5){if(u=H(B,Q),!u)return!1;w+=u.length}if(typeof z=="object"&&z.length)for(let a=0;a<z.length;a+=1){let b=z[a].topic,L=z[a].qos;if(typeof b!="string")return B.emit("error",new Error("Invalid subscriptions - invalid topic")),!1;if(typeof L!="number")return B.emit("error",new Error("Invalid subscriptions - invalid qos")),!1;if(te===5){if(typeof(z[a].nl||!1)!="boolean")return B.emit("error",new Error("Invalid subscriptions - invalid No Local")),!1;if(typeof(z[a].rap||!1)!="boolean")return B.emit("error",new Error("Invalid subscriptions - invalid Retain as Published")),!1;let ae=z[a].rh||0;if(typeof ae!="number"||ae>2)return B.emit("error",new Error("Invalid subscriptions - invalid Retain Handling")),!1}w+=d.byteLength(b)+2+1}else return B.emit("error",new Error("Invalid subscriptions")),!1;r("subscribe: writing to stream: %o",f.SUBSCRIBE_HEADER),B.write(f.SUBSCRIBE_HEADER[1][C?1:0][0]),G(B,w),g(B,N),u!==null&&u.write();let n=!0;for(let a of z){let b=a.topic,L=a.qos,K=+a.nl,J=+a.rap,ae=a.rh,le;E(B,b),le=f.SUBSCRIBE_OPTIONS_QOS[L],te===5&&(le|=K?f.SUBSCRIBE_OPTIONS_NL:0,le|=J?f.SUBSCRIBE_OPTIONS_RAP:0,le|=ae?f.SUBSCRIBE_OPTIONS_RH[ae]:0),n=B.write(d.from([le]))}return n}function P(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.messageId,N=O.granted,z=O.properties,Q=0;if(typeof C!="number")return B.emit("error",new Error("Invalid messageId")),!1;if(Q+=2,typeof N=="object"&&N.length)for(let u=0;u<N.length;u+=1){if(typeof N[u]!="number")return B.emit("error",new Error("Invalid qos vector")),!1;Q+=1}else return B.emit("error",new Error("Invalid qos vector")),!1;let w=null;if(te===5){if(w=D(B,z,Y,Q),!w)return!1;Q+=w.length}return B.write(f.SUBACK_HEADER),G(B,Q),g(B,C),w!==null&&w.write(),B.write(d.from(N))}function S(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.messageId,N=O.dup?f.DUP_MASK:0,z=O.unsubscriptions,Q=O.properties,w=0;if(typeof C!="number")return B.emit("error",new Error("Invalid messageId")),!1;if(w+=2,typeof z=="object"&&z.length)for(let a=0;a<z.length;a+=1){if(typeof z[a]!="string")return B.emit("error",new Error("Invalid unsubscriptions")),!1;w+=d.byteLength(z[a])+2}else return B.emit("error",new Error("Invalid unsubscriptions")),!1;let u=null;if(te===5){if(u=H(B,Q),!u)return!1;w+=u.length}B.write(f.UNSUBSCRIBE_HEADER[1][N?1:0][0]),G(B,w),g(B,C),u!==null&&u.write();let n=!0;for(let a=0;a<z.length;a++)n=E(B,z[a]);return n}function V(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.messageId,N=O.dup?f.DUP_MASK:0,z=O.granted,Q=O.properties,w=O.cmd,u=0,n=2;if(typeof C!="number")return B.emit("error",new Error("Invalid messageId")),!1;if(te===5)if(typeof z=="object"&&z.length)for(let b=0;b<z.length;b+=1){if(typeof z[b]!="number")return B.emit("error",new Error("Invalid qos vector")),!1;n+=1}else return B.emit("error",new Error("Invalid qos vector")),!1;let a=null;if(te===5){if(a=D(B,Q,Y,n),!a)return!1;n+=a.length}return B.write(f.ACKS[w][u][N][0]),G(B,n),g(B,C),a!==null&&a.write(),te===5&&B.write(d.from(z)),!0}function M(F,B,Y){return B.write(f.EMPTY[F.cmd])}function ne(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.reasonCode,N=O.properties,z=te===5?1:0,Q=null;if(te===5){if(Q=D(B,N,Y,z),!Q)return!1;z+=Q.length}return B.write(d.from([f.codes.disconnect<<4])),G(B,z),te===5&&B.write(d.from([C])),Q!==null&&Q.write(),!0}function se(F,B,Y){let te=Y?Y.protocolVersion:4,O=F||{},C=O.reasonCode,N=O.properties,z=te===5?1:0;te!==5&&B.emit("error",new Error("Invalid mqtt version for auth packet"));let Q=D(B,N,Y,z);return Q?(z+=Q.length,B.write(d.from([f.codes.auth<<4])),G(B,z),B.write(d.from([C])),Q!==null&&Q.write(),!0):!1}let ie={};function G(F,B){if(B>f.VARBYTEINT_MAX)return F.emit("error",new Error(`Invalid variable byte integer: ${B}`)),!1;let Y=ie[B];return Y||(Y=l(B),B<16384&&(ie[B]=Y)),r("writeVarByteInt: writing to stream: %o",Y),F.write(Y)}function E(F,B){let Y=d.byteLength(B);return g(F,Y),r("writeString: %s",B),F.write(B,"utf8")}function T(F,B,Y){E(F,B),E(F,Y)}function U(F,B){return r("writeNumberCached: number: %d",B),r("writeNumberCached: %o",e[B]),F.write(e[B])}function q(F,B){let Y=t(B);return r("writeNumberGenerated: %o",Y),F.write(Y)}function re(F,B){let Y=p(B);return r("write4ByteNumber: %o",Y),F.write(Y)}function ee(F,B){typeof B=="string"?E(F,B):B?(g(F,B.length),F.write(B)):g(F,0)}function H(F,B){if(typeof 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de)He(de[y])?(ue[y]||Object.assign(ue,{[y]:{}}),Pe(ue[y],de[y])):Object.assign(ue,{[y]:de[y]});return Pe(ue,...he)}function He(ue){return ue&&typeof ue=="object"&&!Array.isArray(ue)}var di=(()=>{let he=class he{constructor(y,k){this.options=y,this.observables={},this.state=new Ye(xe.CLOSED),this.messages=new Oe,this._clientId=this._generateClientId(),this._connectTimeout=1e4,this._reconnectPeriod=1e4,this._onConnect=new ge,this._onReconnect=new ge,this._onClose=new ge,this._onOffline=new ge,this._onError=new ge,this._onEnd=new ge,this._onMessage=new ge,this._onSuback=new ge,this._onPacketsend=new ge,this._onPacketreceive=new ge,this._handleOnConnect=x=>{this.options.connectOnCreate===!0&&Object.keys(this.observables).forEach(d=>{this.client.subscribe(d)}),this.state.next(xe.CONNECTED),this._onConnect.emit(x)},this._handleOnReconnect=()=>{this.options.connectOnCreate===!0&&Object.keys(this.observables).forEach(x=>{this.client.subscribe(x)}),this.state.next(xe.CONNECTING),this._onReconnect.emit()},this._handleOnClose=()=>{this.state.next(xe.CLOSED),this._onClose.emit()},this._handleOnOffline=()=>{this._onOffline.emit()},this._handleOnError=x=>{this._onError.emit(x),console.error(x)},this._handleOnEnd=()=>{this._onEnd.emit()},this._handleOnMessage=(x,d,f)=>{this._onMessage.emit(f),f.cmd==="publish"&&this.messages.next(f)},this._handleOnPacketsend=x=>{this._onPacketsend.emit(x)},this._handleOnPacketreceive=x=>{this._onPacketreceive.emit(x)},y.connectOnCreate!==!1&&this.connect({},k),this.state.subscribe()}get clientId(){return this._clientId}get onConnect(){return this._onConnect}get onReconnect(){return 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m=Pe({clientId:this._clientId,reconnectPeriod:this._reconnectPeriod,connectTimeout:this._connectTimeout},x);this.client&&this.client.end(!0),k?this.client=k:this.client=(0,rr.connect)(this._url,m),this._clientId=m.clientId,this.client.on("connect",this._handleOnConnect),this.client.on("reconnect",this._handleOnReconnect),this.client.on("close",this._handleOnClose),this.client.on("offline",this._handleOnOffline),this.client.on("error",this._handleOnError),this.client.stream.on("error",this._handleOnError),this.client.on("end",this._handleOnEnd),this.client.on("message",this._handleOnMessage),this.client.on("packetsend",this._handleOnPacketsend),this.client.on("packetreceive",this._handleOnPacketreceive)}disconnect(y=!0){if(!this.client)throw new Error("mqtt client not connected");this.client.end(y)}observeRetained(y,k={qos:1}){return this._generalObserve(y,()=>Xe(1),k)}observe(y,k={qos:1}){return this._generalObserve(y,()=>Je(),k)}_generalObserve(y,k,x){if(!this.client)throw new 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new(k||he)(Me(ur),Me(lr))},he.\u0275prov=Ze({token:he,factory:he.\u0275fac,providedIn:"root"});let ue=he;return ue})();export{ti as a,di as b};