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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(Error("Not supported"))}e=!0}return a("_parsePayload complete result: %s",e),e}},{key:"_parseConnect",value:function(){a("_parseConnect");var e,t,r,n,i={},s=this.packet,u=this._parseString();if(null===u)return this._emitError(Error("Cannot parse protocolId"));if("MQTT"!==u&&"MQIsdp"!==u)return this._emitError(Error("Invalid protocolId"));if(s.protocolId=u,this._pos>=this._list.length)return this._emitError(Error("Packet too short"));if(s.protocolVersion=this._list.readUInt8(this._pos),s.protocolVersion>=128&&(s.bridgeMode=!0,s.protocolVersion=s.protocolVersion-128),3!==s.protocolVersion&&4!==s.protocolVersion&&5!==s.protocolVersion)return this._emitError(Error("Invalid protocol version"));if(this._pos++,this._pos>=this._list.length)return this._emitError(Error("Packet too short"));if(1&this._list.readUInt8(this._pos))return this._emitError(Error("Connect flag bit 0 must be 0, but got 1"));i.username=this._list.readUInt8(this._pos)&o.USERNAME_MASK,i.password=this._list.readUInt8(this._pos)&o.PASSWORD_MASK,i.will=this._list.readUInt8(this._pos)&o.WILL_FLAG_MASK;var l=!!(this._list.readUInt8(this._pos)&o.WILL_RETAIN_MASK),c=(this._list.readUInt8(this._pos)&o.WILL_QOS_MASK)>>o.WILL_QOS_SHIFT;if(i.will)s.will={},s.will.retain=l,s.will.qos=c;else{if(l)return this._emitError(Error("Will Retain Flag must be set to zero when Will Flag is set to 0"));if(c)return this._emitError(Error("Will QoS must be set to zero when Will Flag is set to 0"))}if(s.clean=!!(this._list.readUInt8(this._pos)&o.CLEAN_SESSION_MASK),this._pos++,s.keepalive=this._parseNum(),-1===s.keepalive)return this._emitError(Error("Packet too short"));if(5===s.protocolVersion){var f=this._parseProperties();Object.getOwnPropertyNames(f).length&&(s.properties=f)}var h=this._parseString();if(null===h)return this._emitError(Error("Packet too short"));if(s.clientId=h,a("_parseConnect: packet.clientId: %s",s.clientId),i.will){if(5===s.protocolVersion){var d=this._parseProperties();Object.getOwnPropertyNames(d).length&&(s.will.properties=d)}if(null===(e=this._parseString()))return this._emitError(Error("Cannot parse will topic"));if(s.will.topic=e,a("_parseConnect: packet.will.topic: %s",s.will.topic),null===(t=this._parseBuffer()))return this._emitError(Error("Cannot parse will payload"));s.will.payload=t,a("_parseConnect: packet.will.paylaod: %s",s.will.payload)}if(i.username){if(null===(n=this._parseString()))return this._emitError(Error("Cannot parse username"));s.username=n,a("_parseConnect: packet.username: %s",s.username)}if(i.password){if(null===(r=this._parseBuffer()))return this._emitError(Error("Cannot parse password"));s.password=r}return this.settings=s,a("_parseConnect: complete"),s}},{key:"_parseConnack",value:function(){a("_parseConnack");var e=this.packet;if(this._list.length<1)return null;var t=this._list.readUInt8(this._pos++);if(t>1)return this._emitError(Error("Invalid connack flags, bits 7-1 must be set to 0"));if(e.sessionPresent=!!(t&o.SESSIONPRESENT_MASK),5===this.settings.protocolVersion)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(-1===e.returnCode||-1===e.reasonCode)return this._emitError(Error("Cannot parse return 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specified"));for(;this._pos<l.length;){if(null===(e=this._parseString()))return this._emitError(Error("Cannot parse topic"));if(this._pos>=l.length)return this._emitError(Error("Malformed Subscribe Payload"));if(t=this._parseByte(),5===this.settings.protocolVersion){if(192&t)return this._emitError(Error("Invalid subscribe topic flag bits, bits 7-6 must be 0"))}else if(252&t)return this._emitError(Error("Invalid subscribe topic flag bits, bits 7-2 must be 0"));if((r=t&o.SUBSCRIBE_OPTIONS_QOS_MASK)>2)return this._emitError(Error("Invalid subscribe QoS, must be <= 2"));if(s=!!(t>>o.SUBSCRIBE_OPTIONS_NL_SHIFT&o.SUBSCRIBE_OPTIONS_NL_MASK),i=!!(t>>o.SUBSCRIBE_OPTIONS_RAP_SHIFT&o.SUBSCRIBE_OPTIONS_RAP_MASK),(n=t>>o.SUBSCRIBE_OPTIONS_RH_SHIFT&o.SUBSCRIBE_OPTIONS_RH_MASK)>2)return this._emitError(Error("Invalid retain handling, must be <= 2"));u={topic:e,qos:r},5===this.settings.protocolVersion?(u.nl=s,u.rap=i,u.rh=n):this.settings.bridgeMode&&(u.rh=0,u.rap=!0,u.nl=!0),a("_parseSubscribe: push subscription `%s` to subscription",u),l.subscriptions.push(u)}}}},{key:"_parseSuback",value:function(){a("_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)}if(e.length<=0)return this._emitError(Error("Malformed suback, no payload specified"));for(;this._pos<this.packet.length;){var r=this._list.readUInt8(this._pos++);if(5===this.settings.protocolVersion){if(!o.MQTT5_SUBACK_CODES[r])return this._emitError(Error("Invalid suback code"))}else if(r>2&&128!==r)return this._emitError(Error("Invalid suback QoS, must be 0, 1, 2 or 128"));this.packet.granted.push(r)}}}},{key:"_parseUnsubscribe",value:function(){a("_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)}if(e.length<=0)return this._emitError(Error("Malformed unsubscribe, no payload specified"));for(;this._pos<e.length;){var r=this._parseString();if(null===r)return this._emitError(Error("Cannot parse topic"));a("_parseUnsubscribe: push topic `%s` to unsubscriptions",r),e.unsubscriptions.push(r)}}}},{key:"_parseUnsuback",value:function(){a("_parseUnsuback");var e=this.packet;if(!this._parseMessageId())return this._emitError(Error("Cannot parse messageId"));if((3===this.settings.protocolVersion||4===this.settings.protocolVersion)&&2!==e.length)return this._emitError(Error("Malformed unsuback, payload length must be 2"));if(e.length<=0)return this._emitError(Error("Malformed unsuback, no payload specified"));if(5===this.settings.protocolVersion){var t=this._parseProperties();for(Object.getOwnPropertyNames(t).length&&(e.properties=t),e.granted=[];this._pos<this.packet.length;){var r=this._list.readUInt8(this._pos++);if(!o.MQTT5_UNSUBACK_CODES[r])return this._emitError(Error("Invalid unsuback code"));this.packet.granted.push(r)}}}},{key:"_parseConfirmation",value:function(){a("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);var e=this.packet;if(this._parseMessageId(),5===this.settings.protocolVersion){if(e.length>2){switch(e.reasonCode=this._parseByte(),this.packet.cmd){case"puback":case"pubrec":if(!o.MQTT5_PUBACK_PUBREC_CODES[e.reasonCode])return this._emitError(Error("Invalid "+this.packet.cmd+" reason code"));break;case"pubrel":case"pubcomp":if(!o.MQTT5_PUBREL_PUBCOMP_CODES[e.reasonCode])return this._emitError(Error("Invalid "+this.packet.cmd+" reason code"))}a("_parseConfirmation: packet.reasonCode `%d`",e.reasonCode)}else e.reasonCode=0;if(e.length>3){var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}}return!0}},{key:"_parseDisconnect",value:function(){var e=this.packet;if(a("_parseDisconnect"),5===this.settings.protocolVersion){this._list.length>0?(e.reasonCode=this._parseByte(),o.MQTT5_DISCONNECT_CODES[e.reasonCode]||this._emitError(Error("Invalid disconnect reason code"))):e.reasonCode=0;var t=this._parseProperties();Object.getOwnPropertyNames(t).length&&(e.properties=t)}return a("_parseDisconnect result: true"),!0}},{key:"_parseAuth",value:function(){a("_parseAuth");var e=this.packet;if(5!==this.settings.protocolVersion)return this._emitError(Error("Not supported auth packet for this version MQTT"));if(e.reasonCode=this._parseByte(),!o.MQTT5_AUTH_CODES[e.reasonCode])return this._emitError(Error("Invalid auth reason code"));var t=this._parseProperties();return Object.getOwnPropertyNames(t).length&&(e.properties=t),a("_parseAuth: result: true"),!0}},{key:"_parseMessageId",value:function(){var e=this.packet;return e.messageId=this._parseNum(),null===e.messageId?(this._emitError(Error("Cannot parse messageId")),!1):(a("_parseMessageId: packet.messageId %d",e.messageId),!0)}},{key:"_parseString",value:function(e){var t=this._parseNum(),r=t+this._pos;if(-1===t||r>this._list.length||r>this.packet.length)return null;var n=this._list.toString("utf8",this._pos,r);return this._pos+=t,a("_parseString: result: %s",n),n}},{key:"_parseStringPair",value:function(){return a("_parseStringPair"),{name:this._parseString(),value:this._parseString()}}},{key:"_parseBuffer",value:function(){var e=this._parseNum(),t=e+this._pos;if(-1===e||t>this._list.length||t>this.packet.length)return null;var r=this._list.slice(this._pos,t);return this._pos+=e,a("_parseBuffer: result: %o",r),r}},{key:"_parseNum",value:function(){if(this._list.length-this._pos<2)return-1;var e=this._list.readUInt16BE(this._pos);return this._pos+=2,a("_parseNum: result: %s",e),e}},{key:"_parse4ByteNum",value:function(){if(this._list.length-this._pos<4)return-1;var e=this._list.readUInt32BE(this._pos);return this._pos+=4,a("_parse4ByteNum: result: %s",e),e}},{key:"_parseVarByteNum",value:function(e){a("_parseVarByteNum");for(var t,r=0,n=1,i=0,s=!1,u=this._pos?this._pos:0;r<4&&u+r<this._list.length;){if(i+=n*((t=this._list.readUInt8(u+r++))&o.VARBYTEINT_MASK),n*=128,!(t&o.VARBYTEINT_FIN_MASK)){s=!0;break}if(this._list.length<=r)break}return!s&&4===r&&this._list.length>=r&&this._emitError(Error("Invalid variable byte integer")),u&&(this._pos+=r),a("_parseVarByteNum: result: %o",s=!!s&&(e?{bytes:r,value:i}:i)),s}},{key:"_parseByte",value:function(){var e;return this._pos<this._list.length&&(e=this._list.readUInt8(this._pos),this._pos++),a("_parseByte: result: %o",e),e}},{key:"_parseByType",value:function(e){switch(a("_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()}}},{key:"_parseProperties",value:function(){a("_parseProperties");for(var e=this._parseVarByteNum(),t=this._pos+e,r={};this._pos<t;){var n=this._parseByte();if(!n)return this._emitError(Error("Cannot parse property code type")),!1;var i=o.propertiesCodes[n];if(!i)return this._emitError(Error("Unknown property")),!1;if("userProperties"!==i)r[i]?(Array.isArray(r[i])||(r[i]=[r[i]]),r[i].push(this._parseByType(o.propertiesTypes[i]))):r[i]=this._parseByType(o.propertiesTypes[i]);else{r[i]||(r[i]=Object.create(null));var s=this._parseByType(o.propertiesTypes[i]);if(r[i][s.name])if(Array.isArray(r[i][s.name]))r[i][s.name].push(s.value);else{var u=r[i][s.name];r[i][s.name]=[u],r[i][s.name].push(s.value)}else r[i][s.name]=s.value}}return r}},{key:"_newPacket",value:function(){return a("_newPacket"),this.packet&&(this._list.consume(this.packet.length),a("_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)),a("_newPacket: new packet"),this.packet=new i,this._pos=0,!0}},{key:"_emitError",value:function(e){a("_emitError",e),this.error=e,this.emit("error",e)}}],[{key:"parser",value:function(e){return this instanceof n?(this.settings=e||{},this._states=["_parseHeader","_parseLength","_parsePayload","_newPacket"],this._resetState(),this):(new n).parser(e)}}]),n}(n)})),vi=X((function(e,t){zt(),Ot(),ee();var r=(Vt(),Z(Pt)).Buffer,n={},i=r.isBuffer(r.from([1,2]).subarray(0,1));function o(e){var t=r.allocUnsafe(2);return t.writeUInt8(e>>8,0),t.writeUInt8(255&e,1),t}t.exports={cache:n,generateCache:function(){for(var e=0;e<65536;e++)n[e]=o(e)},generateNumber:o,genBufVariableByteInt:function(e){var t=0,n=0,o=r.allocUnsafe(4);do{t=e%128|0,(e=e/128|0)>0&&(t|=128),o.writeUInt8(t,n++)}while(e>0&&n<4);return e>0&&(n=0),i?o.subarray(0,n):o.slice(0,n)},generate4ByteBuffer:function(e){var t=r.allocUnsafe(4);return t.writeUInt32BE(e,0),t}}})),gi=X((function(e,t){zt(),Ot(),ee(),(void 0===te?"undefined":(0,F.default)(te))>"u"||!te.version||0===te.version.indexOf("v0.")||0===te.version.indexOf("v1.")&&0!==te.version.indexOf("v1.8.")?t.exports={nextTick:function(e,t,r,n){if("function"!=typeof e)throw new TypeError('"callback" argument must be a function');var i,o,a=arguments.length;switch(a){case 0:case 1:return te.nextTick(e);case 2:return te.nextTick((function(){e.call(null,t)}));case 3:return te.nextTick((function(){e.call(null,t,r)}));case 4:return te.nextTick((function(){e.call(null,t,r,n)}));default:for(i=Array(a-1),o=0;o<i.length;)i[o++]=arguments[o];return te.nextTick((function(){e.apply(null,i)}))}}}:t.exports=te})),yi=X((function(e,t){zt(),Ot(),ee();var r=ci(),n=(Vt(),Z(Pt)).Buffer,i=n.allocUnsafe(0),o=n.from([0]),a=vi(),s=gi().nextTick,u=di()("mqtt-packet:writeToStream"),l=a.cache,c=a.generateNumber,f=a.generateCache,h=a.genBufVariableByteInt,d=a.generate4ByteBuffer,p=k,v=!0;function g(e,t,a){switch(u("generate called"),t.cork&&(t.cork(),s(y,t)),v&&(v=!1,f()),u("generate: packet.cmd: %s",e.cmd),e.cmd){case"connect":return function(e,t){var i=e||{},o=i.protocolId||"MQTT",a=i.protocolVersion||4,s=i.will,u=i.clean,l=i.keepalive||0,c=i.clientId||"",f=i.username,h=i.password,d=i.properties;void 0===u&&(u=!0);var v,g,y=0;if(!o||"string"!=typeof o&&!n.isBuffer(o))return t.destroy(Error("Invalid protocolId")),!1;if(y+=o.length+2,3!==a&&4!==a&&5!==a)return t.destroy(Error("Invalid protocol version")),!1;if(y+=1,("string"==typeof c||n.isBuffer(c))&&(c||a>=4)&&(c||u))y+=n.byteLength(c)+2;else{if(a<4)return t.destroy(Error("clientId must be supplied before 3.1.1")),!1;if(1*u==0)return t.destroy(Error("clientId must be given if cleanSession set to 0")),!1}if("number"!=typeof l||l<0||l>65535||l%1!=0)return t.destroy(Error("Invalid keepalive")),!1;if(y+=2,y+=1,5===a){if(!(v=A(t,d)))return!1;y+=v.length}if(s){if("object"!=typeof s)return t.destroy(Error("Invalid will")),!1;if(!s.topic||"string"!=typeof s.topic)return t.destroy(Error("Invalid will topic")),!1;if(y+=n.byteLength(s.topic)+2,y+=2,s.payload){if(!(s.payload.length>=0))return t.destroy(Error("Invalid will payload")),!1;"string"==typeof s.payload?y+=n.byteLength(s.payload):y+=s.payload.length}if(g={},5===a){if(!(g=A(t,s.properties)))return!1;y+=g.length}}var b=!1;if(null!=f){if(!x(f))return t.destroy(Error("Invalid username")),!1;b=!0,y+=n.byteLength(f)+2}if(null!=h){if(!b)return t.destroy(Error("Username is required to use password")),!1;if(!x(h))return t.destroy(Error("Invalid password")),!1;y+=R(h)+2}t.write(r.CONNECT_HEADER),m(t,y),S(t,o),i.bridgeMode&&(a+=128),t.write(131===a?r.VERSION131:132===a?r.VERSION132:4===a?r.VERSION4:5===a?r.VERSION5:r.VERSION3);var w=0;return w|=null!=f?r.USERNAME_MASK:0,w|=null!=h?r.PASSWORD_MASK:0,w|=s&&s.retain?r.WILL_RETAIN_MASK:0,w|=s&&s.qos?s.qos<<r.WILL_QOS_SHIFT:0,w|=s?r.WILL_FLAG_MASK:0,w|=u?r.CLEAN_SESSION_MASK:0,t.write(n.from([w])),p(t,l),5===a&&v.write(),S(t,c),s&&(5===a&&g.write(),_(t,s.topic),S(t,s.payload)),null!=f&&S(t,f),null!=h&&S(t,h),!0}(e,t);case"connack":return function(e,t,i){var a=i?i.protocolVersion:4,s=e||{},u=5===a?s.reasonCode:s.returnCode,l=s.properties,c=2;if("number"!=typeof u)return t.destroy(Error("Invalid return code")),!1;var f=null;if(5===a){if(!(f=A(t,l)))return!1;c+=f.length}return t.write(r.CONNACK_HEADER),m(t,c),t.write(s.sessionPresent?r.SESSIONPRESENT_HEADER:o),t.write(n.from([u])),null==f||f.write(),!0}(e,t,a);case"publish":return function(e,t,o){u("publish: packet: %o",e);var a=o?o.protocolVersion:4,s=e||{},l=s.qos||0,c=s.retain?r.RETAIN_MASK:0,f=s.topic,h=s.payload||i,d=s.messageId,v=s.properties,g=0;if("string"==typeof f)g+=n.byteLength(f)+2;else{if(!n.isBuffer(f))return t.destroy(Error("Invalid topic")),!1;g+=f.length+2}if(n.isBuffer(h)?g+=h.length:g+=n.byteLength(h),l&&"number"!=typeof d)return t.destroy(Error("Invalid messageId")),!1;l&&(g+=2);var y=null;if(5===a){if(!(y=A(t,v)))return!1;g+=y.length}return t.write(r.PUBLISH_HEADER[l][s.dup?1:0][c?1:0]),m(t,g),p(t,R(f)),t.write(f),l>0&&p(t,d),null==y||y.write(),u("publish: payload: %o",h),t.write(h)}(e,t,a);case"puback":case"pubrec":case"pubrel":case"pubcomp":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.cmd||"puback",u=a.messageId,l=a.dup&&"pubrel"===s?r.DUP_MASK:0,c=0,f=a.reasonCode,h=a.properties,d=5===o?3:2;if("pubrel"===s&&(c=1),"number"!=typeof u)return t.destroy(Error("Invalid messageId")),!1;var v=null;if(5===o&&"object"==typeof h){if(!(v=T(t,h,i,d)))return!1;d+=v.length}return t.write(r.ACKS[s][c][l][0]),3===d&&(d+=0!==f?1:-1),m(t,d),p(t,u),5===o&&2!==d&&t.write(n.from([f])),null!==v?v.write():4===d&&t.write(n.from([0])),!0}(e,t,a);case"subscribe":return function(e,t,i){u("subscribe: packet: ");var o=i?i.protocolVersion:4,a=e||{},s=a.dup?r.DUP_MASK:0,l=a.messageId,c=a.subscriptions,f=a.properties,h=0;if("number"!=typeof l)return t.destroy(Error("Invalid messageId")),!1;h+=2;var d=null;if(5===o){if(!(d=A(t,f)))return!1;h+=d.length}if("object"!=typeof c||!c.length)return t.destroy(Error("Invalid subscriptions")),!1;for(var v=0;v<c.length;v+=1){var g=c[v].topic,y=c[v].qos;if("string"!=typeof g)return t.destroy(Error("Invalid subscriptions - invalid topic")),!1;if("number"!=typeof y)return t.destroy(Error("Invalid subscriptions - invalid qos")),!1;if(5===o){if("boolean"!=typeof(c[v].nl||!1))return t.destroy(Error("Invalid subscriptions - invalid No Local")),!1;if("boolean"!=typeof(c[v].rap||!1))return t.destroy(Error("Invalid subscriptions - invalid Retain as Published")),!1;var b=c[v].rh||0;if("number"!=typeof b||b>2)return t.destroy(Error("Invalid subscriptions - invalid Retain Handling")),!1}h+=n.byteLength(g)+2+1}u("subscribe: writing to stream: %o",r.SUBSCRIBE_HEADER),t.write(r.SUBSCRIBE_HEADER[1][s?1:0][0]),m(t,h),p(t,l),null!==d&&d.write();var w=!0,k=!0,E=!1,S=void 0;try{for(var T,C=c[Symbol.iterator]();!(k=(T=C.next()).done);k=!0){var I=T.value,R=void 0,x=I.topic,O=I.qos,P=+I.nl,M=+I.rap,B=I.rh;_(t,x),R=r.SUBSCRIBE_OPTIONS_QOS[O],5===o&&(R|=P?r.SUBSCRIBE_OPTIONS_NL:0,R|=M?r.SUBSCRIBE_OPTIONS_RAP:0,R|=B?r.SUBSCRIBE_OPTIONS_RH[B]:0),w=t.write(n.from([R]))}}catch(e){E=!0,S=e}finally{try{k||null==C.return||C.return()}finally{if(E)throw S}}return w}(e,t,a);case"suback":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.messageId,u=a.granted,l=a.properties,c=0;if("number"!=typeof s)return t.destroy(Error("Invalid messageId")),!1;if(c+=2,"object"!=typeof u||!u.length)return t.destroy(Error("Invalid qos vector")),!1;for(var f=0;f<u.length;f+=1){if("number"!=typeof u[f])return t.destroy(Error("Invalid qos vector")),!1;c+=1}var h=null;if(5===o){if(!(h=T(t,l,i,c)))return!1;c+=h.length}return t.write(r.SUBACK_HEADER),m(t,c),p(t,s),null!==h&&h.write(),t.write(n.from(u))}(e,t,a);case"unsubscribe":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.messageId,u=a.dup?r.DUP_MASK:0,l=a.unsubscriptions,c=a.properties,f=0;if("number"!=typeof s)return t.destroy(Error("Invalid messageId")),!1;if(f+=2,"object"!=typeof l||!l.length)return t.destroy(Error("Invalid unsubscriptions")),!1;for(var h=0;h<l.length;h+=1){if("string"!=typeof l[h])return t.destroy(Error("Invalid unsubscriptions")),!1;f+=n.byteLength(l[h])+2}var d=null;if(5===o){if(!(d=A(t,c)))return!1;f+=d.length}t.write(r.UNSUBSCRIBE_HEADER[1][u?1:0][0]),m(t,f),p(t,s),null!==d&&d.write();for(var v=!0,g=0;g<l.length;g++)v=_(t,l[g]);return v}(e,t,a);case"unsuback":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.messageId,u=a.dup?r.DUP_MASK:0,l=a.granted,c=a.properties,f=a.cmd,h=2;if("number"!=typeof s)return t.destroy(Error("Invalid messageId")),!1;if(5===o){if("object"!=typeof l||!l.length)return t.destroy(Error("Invalid qos vector")),!1;for(var d=0;d<l.length;d+=1){if("number"!=typeof l[d])return t.destroy(Error("Invalid qos vector")),!1;h+=1}}var v=null;if(5===o){if(!(v=T(t,c,i,h)))return!1;h+=v.length}return t.write(r.ACKS[f][0][u][0]),m(t,h),p(t,s),null!==v&&v.write(),5===o&&t.write(n.from(l)),!0}(e,t,a);case"pingreq":case"pingresp":return function(e,t){return t.write(r.EMPTY[e.cmd])}(e,t);case"disconnect":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.reasonCode,u=a.properties,l=5===o?1:0,c=null;if(5===o){if(!(c=T(t,u,i,l)))return!1;l+=c.length}return t.write(n.from([r.codes.disconnect<<4])),m(t,l),5===o&&t.write(n.from([s])),null!==c&&c.write(),!0}(e,t,a);case"auth":return function(e,t,i){var o=i?i.protocolVersion:4,a=e||{},s=a.reasonCode,u=a.properties,l=5===o?1:0;5!==o&&t.destroy(Error("Invalid mqtt version for auth packet"));var c=T(t,u,i,l);return!!c&&(l+=c.length,t.write(n.from([r.codes.auth<<4])),m(t,l),t.write(n.from([s])),null!==c&&c.write(),!0)}(e,t,a);default:return t.destroy(Error("Unknown command")),!1}}function y(e){e.uncork()}Object.defineProperty(g,"cacheNumbers",{get:function(){return p===k},set:function(e){e?((!l||0===Object.keys(l).length)&&(v=!0),p=k):(v=!1,p=E)}});var b={};function m(e,t){if(t>r.VARBYTEINT_MAX)return e.destroy(Error("Invalid variable byte integer: "+t)),!1;var n=b[t];return n||(n=h(t),t<16384&&(b[t]=n)),u("writeVarByteInt: writing to stream: %o",n),e.write(n)}function _(e,t){var r=n.byteLength(t);return p(e,r),u("writeString: %s",t),e.write(t,"utf8")}function w(e,t,r){_(e,t),_(e,r)}function k(e,t){return u("writeNumberCached: number: %d",t),u("writeNumberCached: %o",l[t]),e.write(l[t])}function E(e,t){var r=c(t);return u("writeNumberGenerated: %o",r),e.write(r)}function S(e,t){"string"==typeof t?_(e,t):t?(p(e,t.length),e.write(t)):p(e,0)}function A(e,t){if("object"!=typeof t||null!=t.length)return{length:1,write:function(){I(e,{},0)}};var i=0;function o(t,i){var o=0;switch(r.propertiesTypes[t]){case"byte":if("boolean"!=typeof i)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=2;break;case"int8":if("number"!=typeof i||i<0||i>255)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=2;break;case"binary":if(i&&null===i)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=1+n.byteLength(i)+2;break;case"int16":if("number"!=typeof i||i<0||i>65535)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=3;break;case"int32":if("number"!=typeof i||i<0||i>4294967295)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=5;break;case"var":if("number"!=typeof i||i<0||i>268435455)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=1+n.byteLength(h(i));break;case"string":if("string"!=typeof i)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=3+n.byteLength(i.toString());break;case"pair":if("object"!=typeof i)return e.destroy(Error("Invalid ".concat(t,": ").concat(i))),!1;o+=Object.getOwnPropertyNames(i).reduce((function(e,t){var r=i[t];return e+(Array.isArray(r)?r.reduce((function(e,r){return e+(3+n.byteLength(t.toString())+2+n.byteLength(r.toString()))}),0):3+n.byteLength(t.toString())+2+n.byteLength(i[t].toString()))}),0);break;default:return e.destroy(Error("Invalid property ".concat(t,": ").concat(i))),!1}return o}if(t)for(var a in t){var s=0,u=0,l=t[a];if(Array.isArray(l))for(var c=0;c<l.length;c++){if(!(u=o(a,l[c])))return!1;s+=u}else{if(!(u=o(a,l)))return!1;s=u}if(!s)return!1;i+=s}return{length:n.byteLength(h(i))+i,write:function(){I(e,t,i)}}}function T(e,t,r,n){var 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t=this.stream;return null===e?(this.highWaterMark=0,t._duplexState=536805311&t._duplexState|1024,!1):(null!==this.map&&null===(e=this.map(e))||(this.buffered+=this.byteLength(e),this.queue.push(e),t._duplexState=536805375&t._duplexState|128),this.buffered<this.highWaterMark)}},{key:"shift",value:function(){var e=this.queue.shift();return this.buffered-=this.byteLength(e),0===this.buffered&&(this.stream._duplexState&=536862591),e}},{key:"unshift",value:function(e){for(var t=[null!==this.map?this.map(e):e];this.buffered>0;)t.push(this.shift());for(var r=0;r<t.length-1;r++){var n=t[r];this.buffered+=this.byteLength(n),this.queue.push(n)}this.push(t[t.length-1])}},{key:"read",value:function(){var e=this.stream;if(128==(16527&e._duplexState)){var t=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=Du),2048&e._duplexState&&e.emit("data",t),t}return!1===this.readAhead&&(e._duplexState|=ju,this.updateNextTick()),null}},{key:"drain",value:function(){for(var e=this.stream;128==(16527&e._duplexState)&&768&e._duplexState;){var t=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(t)&&(e._duplexState&=Du),2048&e._duplexState&&e.emit("data",t)}}},{key:"update",value:function(){var e=this.stream;e._duplexState|=32;do{for(this.drain();this.buffered<this.highWaterMark&&(214047&e._duplexState)===ju;)e._duplexState|=65552,e._read(this.afterRead),this.drain();4224==(12431&e._duplexState)&&(e._duplexState|=8192,e.emit("readable")),80&e._duplexState||this.updateNonPrimary()}while(!0===this.continueUpdate());e._duplexState&=536870879}},{key:"updateNonPrimary",value:function(){var e=this.stream;1024==(1167&e._duplexState)&&(e._duplexState=536869887&e._duplexState|16384,e.emit("end"),(e._duplexState&$u)===Xu&&(e._duplexState|=4),null!==this.pipeTo&&this.pipeTo.end()),4!=(14&e._duplexState)?1==(e._duplexState&el)&&(e._duplexState=(e._duplexState|Ju)&Lu,e._open(dl.bind(this))):e._duplexState&Zu||(e._duplexState|=Ju,e._destroy(ul.bind(this)))}},{key:"continueUpdate",value:function(){return!!(this.stream._duplexState&Uu)&&(this.stream._duplexState&=Fu,!0)}},{key:"updateCallback",value:function(){64==(32879&this.stream._duplexState)?this.update():this.updateNextTick()}},{key:"updateNextTick",value:function(){this.stream._duplexState&Uu||(this.stream._duplexState|=Uu,32&this.stream._duplexState||Pu(this.afterUpdateNextTick))}}]),e}(),ol=function(){"use strict";function e(t,r,n){(0,w.default)(this,e),this.from=t,this.to=r,this.afterPipe=n,this.error=null,this.pipeToFinished=!1}return(0,x.default)(e,[{key:"finished",value:function(){this.pipeToFinished=!0}},{key:"done",value:function(e,t){t&&(this.error=t),e!==this.to||(this.to=null,null===this.from)?e!==this.from||(this.from=null,null===this.to)?(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null):e._duplexState&Nu||this.to.destroy(this.error||Error("Readable stream closed before ending")):this.from._duplexState&Nu&&this.pipeToFinished||this.from.destroy(this.error||Error("Writable stream closed prematurely"))}}]),e}();function al(){this.stream._duplexState|=512,this.updateCallback()}function sl(e){var t=this.stream;e&&t.destroy(e),14&t._duplexState||(t._duplexState|=zu,t.emit("finish")),(t._duplexState&$u)===Xu&&(t._duplexState|=4),t._duplexState&=Gu,t._duplexState&qu?this.updateNextTick():this.update()}function ul(e){var t=this.stream;e||this.error===Ou||(e=this.error),e&&t.emit("error",e),t._duplexState|=8,t.emit("close");var r=t._readableState,n=t._writableState;if(null!==r&&null!==r.pipeline&&r.pipeline.done(t,e),null!==n){for(;null!==n.drains&&n.drains.length>0;)n.drains.shift().resolve(!1);null!==n.pipeline&&n.pipeline.done(t,e)}}function ll(e){var t=this.stream;e&&t.destroy(e),t._duplexState&=Gu,null!==this.drains&&function(e){for(var t=0;t<e.length;t++)0==--e[t].writes&&(e.shift().resolve(!0),t--)}(this.drains),4194304==(6553615&t._duplexState)&&(t._duplexState&=532676607,(t._duplexState&Ku)===Ku&&t.emit("drain")),this.updateCallback()}function cl(e){e&&this.stream.destroy(e),this.stream._duplexState&=536870895,!1!==this.readAhead||256&this.stream._duplexState||(this.stream._duplexState&=Wu),this.updateCallback()}function fl(){32&this.stream._duplexState||(this.stream._duplexState&=Fu,this.update())}function hl(){this.stream._duplexState&qu||(this.stream._duplexState&=Qu,this.update())}function dl(e){var t=this.stream;e&&t.destroy(e),4&t._duplexState||(17423&t._duplexState||(t._duplexState|=64),142606351&t._duplexState||(t._duplexState|=Hu),t.emit("open")),t._duplexState&=536608751,null!==t._writableState&&t._writableState.updateCallback(),null!==t._readableState&&t._readableState.updateCallback()}function pl(e){null!==this._readableState&&("data"===e&&(this._duplexState|=133376,this._readableState.updateNextTick()),"readable"===e&&(this._duplexState|=4096,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===e&&(this._duplexState|=Ku,this._writableState.updateNextTick())}var vl=function(e){"use strict";(0,B.default)(r,e);var t=(0,H.default)(r);function r(e){var n;return(0,w.default)(this,r),(n=t.call(this))._duplexState=0,n._readableState=null,n._writableState=null,e&&(e.open&&(n._open=e.open),e.destroy&&(n._destroy=e.destroy),e.predestroy&&(n._predestroy=e.predestroy),e.signal&&e.signal.addEventListener("abort",kl.bind((0,g.default)(n)))),n.on("newListener",pl),(0,U.default)(n)}return(0,x.default)(r,[{key:"_open",value:function(e){e(null)}},{key:"_destroy",value:function(e){e(null)}},{key:"_predestroy",value:function(){}},{key:"readable",get:function(){return null!==this._readableState||void 0}},{key:"writable",get:function(){return null!==this._writableState||void 0}},{key:"destroyed",get:function(){return!!(8&this._duplexState)}},{key:"destroying",get:function(){return!!(14&this._duplexState)}},{key:"destroy",value:function(e){14&this._duplexState||(e||(e=Ou),this._duplexState=535822271&this._duplexState|4,null!==this._readableState&&(this._readableState.highWaterMark=0,this._readableState.error=e),null!==this._writableState&&(this._writableState.highWaterMark=0,this._writableState.error=e),this._duplexState|=2,this._predestroy(),this._duplexState&=536870909,null!==this._readableState&&this._readableState.updateNextTick(),null!==this._writableState&&this._writableState.updateNextTick())}}]),r}(xu),gl=function(e){"use strict";(0,B.default)(r,e);var t=(0,H.default)(r);function r(e){var n;return(0,w.default)(this,r),(n=t.call(this,e))._duplexState|=8519681,n._readableState=new il((0,g.default)(n),e),e&&(!1===n._readableState.readAhead&&(n._duplexState&=Wu),e.read&&(n._read=e.read),e.eagerOpen&&n._readableState.updateNextTick(),e.encoding&&n.setEncoding(e.encoding)),(0,U.default)(n)}return(0,x.default)(r,[{key:"setEncoding",value:function(e){var t=new Bu(e),r=this._readableState.map||bl;return this._readableState.map=function(e){var n=t.push(e);return""===n?null:r(n)},this}},{key:"_read",value:function(e){e(null)}},{key:"pipe",value:function(e,t){return this._readableState.updateNextTick(),this._readableState.pipe(e,t),e}},{key:"read",value:function(){return this._readableState.updateNextTick(),this._readableState.read()}},{key:"push",value:function(e){return this._readableState.updateNextTick(),this._readableState.push(e)}},{key:"unshift",value:function(e){return this._readableState.updateNextTick(),this._readableState.unshift(e)}},{key:"resume",value:function(){return this._duplexState|=131328,this._readableState.updateNextTick(),this}},{key:"pause",value:function(){return this._duplexState&=!1===this._readableState.readAhead?536739583:536870655,this}},{key:rl,value:function(){var e,t=this,r=null,n=null,i=null;return this.on("error",(function(e){r=e})),this.on("readable",(function(){null!==n&&o(t.read())})),this.on("close",(function(){null!==n&&o(null)})),e={},(0,O.default)(e,rl,(function(){return this})),(0,O.default)(e,"next",(function(){return new Promise((function(e,r){n=e,i=r;var a=t.read();null!==a?o(a):8&t._duplexState&&o(null)}))})),(0,O.default)(e,"return",(function(){return a(null)})),(0,O.default)(e,"throw",(function(e){return a(e)})),e;function o(e){null!==i&&(r?i(r):null!==e||t._duplexState&Nu?n({value:e,done:null===e}):i(Ou),i=n=null)}function a(e){return t.destroy(e),new Promise((function(r,n){if(8&t._duplexState)return r({value:void 0,done:!0});t.once("close",(function(){e?n(e):r({value:void 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n;return(0,w.default)(this,r),(n=t.call(this,e))._duplexState=1|n._duplexState&ju,n._writableState=new nl((0,g.default)(n),e),e&&(e.writev&&(n._writev=e.writev),e.write&&(n._write=e.write),e.final&&(n._final=e.final)),(0,U.default)(n)}return(0,x.default)(r,[{key:"cork",value:function(){this._duplexState|=268435456}},{key:"uncork",value:function(){this._duplexState&=268435455,this._writableState.updateNextTick()}},{key:"_writev",value:function(e,t){t(null)}},{key:"_write",value:function(e,t){this._writableState.autoBatch(e,t)}},{key:"_final",value:function(e){e(null)}},{key:"write",value:function(e){return this._writableState.updateNextTick(),this._writableState.push(e)}},{key:"end",value:function(e){return this._writableState.updateNextTick(),this._writableState.end(e),this}}]),r}(gl);function bl(e){return e}function ml(e){return"number"==typeof e._duplexState&&function(e){return!!e._readableState||!!e._writableState}(e)}function _l(e){return function(e){return"object"==typeof 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window?window:self,Bl=Ml.crypto||Ml.msCrypto||{};Bl.subtle||Bl.webkitSubtle;var Ll=function(e){var t=new Uint8Array(e);return Bl.getRandomValues(t)},Nl=iu("simple-peer"),Ul=65536;function jl(e){return e.replace(/a=ice-options:trickle\s\n/g,"")}var Dl=function(e){"use strict";(0,B.default)(r,e);var t=(0,H.default)(r);function r(e){var n;if((0,w.default)(this,r),n=t.call(this,e=Object.assign({allowHalfOpen:!1},e)),(0,O.default)((0,g.default)(n),"_pc",void 0),n.__objectMode=!!e.objectMode,n._id=Rl(Ll(4)).slice(0,7),n._debug("new peer %o",e),n.channelName=e.initiator?e.channelName||Rl(Ll(20)):null,n.initiator=e.initiator||!1,n.channelConfig=e.channelConfig||r.channelConfig,n.channelNegotiated=n.channelConfig.negotiated,n.config=Object.assign({},r.config,e.config),n.offerOptions=e.offerOptions||{},n.answerOptions=e.answerOptions||{},n.sdpTransform=e.sdpTransform||function(e){return e},n.trickle=void 0===e.trickle||e.trickle,n.allowHalfTrickle=void 0!==e.allowHalfTrickle&&e.allowHalfTrickle,n.iceCompleteTimeout=e.iceCompleteTimeout||5e3,n._destroying=!1,n._connected=!1,n.remoteAddress=void 0,n.remoteFamily=void 0,n.remotePort=void 0,n.localAddress=void 0,n.localFamily=void 0,n.localPort=void 0,!au)throw"undefined"==typeof window?Al(Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT"):Al(Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");n._pcReady=!1,n._channelReady=!1,n._iceComplete=!1,n._iceCompleteTimer=null,n._channel=null,n._pendingCandidates=[],n._isNegotiating=!1,n._firstNegotiation=!0,n._batchedNegotiation=!1,n._queuedNegotiation=!1,n._sendersAwaitingStable=[],n._closingInterval=null,n._remoteTracks=[],n._remoteStreams=[],n._chunk=null,n._cb=null,n._interval=null;try{n._pc=new au(n.config)}catch(e){return(0,U.default)(n,void n.__destroy(Al(e,"ERR_PC_CONSTRUCTOR")))}return n._isReactNativeWebrtc="number"==typeof 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this._connected&&"open"===this._channel.readyState}},{key:"address",value:function(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}},{key:"signal",value:function(e){var t=this;if(!this._destroying){if(this.destroyed)throw Al(Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}this._debug("signal()"),e.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),e.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(e.transceiverRequest.kind,e.transceiverRequest.init)),e.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(e.candidate):this._pendingCandidates.push(e.candidate)),e.sdp&&this._pc.setRemoteDescription(new su(e)).then((function(){t.destroyed||(t._pendingCandidates.forEach((function(e){t._addIceCandidate(e)})),t._pendingCandidates=[],"offer"===t._pc.remoteDescription.type&&t._createAnswer())})).catch((function(e){t.__destroy(Al(e,"ERR_SET_REMOTE_DESCRIPTION"))})),e.sdp||e.candidate||e.renegotiate||e.transceiverRequest||this.__destroy(Al(Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}},{key:"_addIceCandidate",value:function(e){var t=this,r=new uu(e);this._pc.addIceCandidate(r).catch((function(e){!r.address||r.address.endsWith(".local")?console.warn("Ignoring unsupported ICE candidate."):t.__destroy(Al(e,"ERR_ADD_ICE_CANDIDATE"))}))}},{key:"send",value:function(e){if(!this._destroying){if(this.destroyed)throw Al(Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(e)}}},{key:"_needsNegotiation",value:function(){var e=this;this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask((function(){e._batchedNegotiation=!1,e.initiator||!e._firstNegotiation?(e._debug("starting batched negotiation"),e.negotiate()):e._debug("non-initiator initial negotiation request discarded"),e._firstNegotiation=!1})))}},{key:"negotiate",value:function(){var e=this;if(!this._destroying){if(this.destroyed)throw Al(Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout((function(){e._createOffer()}),0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}},{key:"_final",value:function(e){this._readableState.ended||this.push(null),e(null)}},{key:"__destroy",value:function(e){this.end(),this._destroy((function(){}),e)}},{key:"_destroy",value:function(e,t){var r=this;this.destroyed||this._destroying||(this._destroying=!0,this._debug("destroying (error: 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e=this;this.destroyed||this._pc.createOffer(this.offerOptions).then((function(t){if(!e.destroyed){e.trickle||e.allowHalfTrickle||(t.sdp=jl(t.sdp)),t.sdp=e.sdpTransform(t.sdp);var r=function(){if(!e.destroyed){var r=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:r.type,sdp:r.sdp})}};e._pc.setLocalDescription(t).then((function(){e._debug("createOffer success"),e.destroyed||(e.trickle||e._iceComplete?r():e.once("_iceComplete",r))})).catch((function(t){e.__destroy(Al(t,"ERR_SET_LOCAL_DESCRIPTION"))}))}})).catch((function(t){e.__destroy(Al(t,"ERR_CREATE_OFFER"))}))}},{key:"_createAnswer",value:function(){var e=this;this.destroyed||this._pc.createAnswer(this.answerOptions).then((function(t){if(!e.destroyed){e.trickle||e.allowHalfTrickle||(t.sdp=jl(t.sdp)),t.sdp=e.sdpTransform(t.sdp);var r=function(){var r,n;if(!e.destroyed){var 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