20.3c1729d1.chunk.js

js ymxa.cn collected 2026-10-06 14:14:27 UTC 290,947 bytes, 3 lines download raw bytes

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2,c=5===i?a.reasonCode:a.returnCode,u=a.properties,l=2;if("number"!==typeof c)return r.emit("error",new Error("Invalid return code")),!1;var h=null;if(5===i){if(!(h=C(r,u)))return!1;l+=h.length}r.write(o.CONNACK_HEADER),w(r,l),r.write(a.sessionPresent?o.SESSIONPRESENT_HEADER:s),r.write(e.from([c])),null!=h&&h.write();return!0}(t,r,a);case"publish":return function(t,r,n){u("publish: packet: %o",t);var s=n?n.protocolVersion:4,a=t||{},c=a.qos||0,l=a.retain?o.RETAIN_MASK:0,h=a.topic,f=a.payload||i,p=a.messageId,d=a.properties,b=0;if("string"===typeof h)b+=e.byteLength(h)+2;else{if(!e.isBuffer(h))return r.emit("error",new Error("Invalid topic")),!1;b+=h.length+2}e.isBuffer(f)?b+=f.length:b+=e.byteLength(f);if(c&&"number"!==typeof p)return r.emit("error",new Error("Invalid messageId")),!1;c&&(b+=2);var y=null;if(5===s){if(!(y=C(r,d)))return!1;b+=y.length}r.write(o.PUBLISH_HEADER[c][a.dup?1:0][l?1:0]),w(r,b),v(r,I(h)),r.write(h),c>0&&v(r,p);null!=y&&y.write();return u("publish: payload: %o",f),r.write(f)}(t,r,a);case"puback":case"pubrec":case"pubrel":case"pubcomp":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.cmd||"puback",c=s.messageId,u=s.dup&&"pubrel"===a?o.DUP_MASK:0,l=0,h=s.reasonCode,f=s.properties,p=5===i?3:2;"pubrel"===a&&(l=1);if("number"!==typeof c)return r.emit("error",new Error("Invalid messageId")),!1;var d=null;if(5===i&&"object"===typeof f){if(!(d=j(r,f,n,p)))return!1;p+=d.length}r.write(o.ACKS[a][l][u][0]),w(r,p),v(r,c),5===i&&r.write(e.from([h]));null!==d&&d.write();return!0}(t,r,a);case"subscribe":return function(t,r,i){u("subscribe: packet: ");var s=i?i.protocolVersion:4,a=t||{},c=a.dup?o.DUP_MASK:0,l=a.messageId,h=a.subscriptions,f=a.properties,p=0;if("number"!==typeof l)return r.emit("error",new Error("Invalid messageId")),!1;p+=2;var d=null;if(5===s){if(!(d=C(r,f)))return!1;p+=d.length}if("object"!==typeof h||!h.length)return r.emit("error",new Error("Invalid subscriptions")),!1;for(var b=0;b<h.length;b+=1){var y=h[b].topic,m=h[b].qos;if("string"!==typeof y)return r.emit("error",new Error("Invalid subscriptions - invalid topic")),!1;if("number"!==typeof m)return r.emit("error",new Error("Invalid subscriptions - invalid qos")),!1;if(5===s){if("boolean"!==typeof(h[b].nl||!1))return r.emit("error",new Error("Invalid subscriptions - invalid No Local")),!1;if("boolean"!==typeof(h[b].rap||!1))return r.emit("error",new Error("Invalid subscriptions - invalid Retain as Published")),!1;var g=h[b].rh||0;if("number"!==typeof g||g>2)return r.emit("error",new Error("Invalid subscriptions - invalid Retain Handling")),!1}p+=e.byteLength(y)+2+1}u("subscribe: writing to stream: %o",o.SUBSCRIBE_HEADER),r.write(o.SUBSCRIBE_HEADER[1][c?1:0][0]),w(r,p),v(r,l),null!==d&&d.write();var S,E=!0,O=n(h);try{for(O.s();!(S=O.n()).done;){var k=S.value,j=k.topic,x=k.qos,A=+k.nl,I=+k.rap,M=k.rh,P=void 0;_(r,j),P=o.SUBSCRIBE_OPTIONS_QOS[x],5===s&&(P|=A?o.SUBSCRIBE_OPTIONS_NL:0,P|=I?o.SUBSCRIBE_OPTIONS_RAP:0,P|=M?o.SUBSCRIBE_OPTIONS_RH[M]:0),E=r.write(e.from([P]))}}catch(T){O.e(T)}finally{O.f()}return E}(t,r,a);case"suback":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.messageId,c=s.granted,u=s.properties,l=0;if("number"!==typeof a)return r.emit("error",new Error("Invalid messageId")),!1;l+=2;if("object"!==typeof c||!c.length)return r.emit("error",new Error("Invalid qos vector")),!1;for(var h=0;h<c.length;h+=1){if("number"!==typeof c[h])return r.emit("error",new Error("Invalid qos vector")),!1;l+=1}var f=null;if(5===i){if(!(f=j(r,u,n,l)))return!1;l+=f.length}r.write(o.SUBACK_HEADER),w(r,l),v(r,a),null!==f&&f.write();return r.write(e.from(c))}(t,r,a);case"unsubscribe":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.messageId,c=s.dup?o.DUP_MASK:0,u=s.unsubscriptions,l=s.properties,h=0;if("number"!==typeof a)return r.emit("error",new Error("Invalid messageId")),!1;h+=2;if("object"!==typeof u||!u.length)return r.emit("error",new Error("Invalid unsubscriptions")),!1;for(var f=0;f<u.length;f+=1){if("string"!==typeof u[f])return r.emit("error",new Error("Invalid unsubscriptions")),!1;h+=e.byteLength(u[f])+2}var p=null;if(5===i){if(!(p=C(r,l)))return!1;h+=p.length}r.write(o.UNSUBSCRIBE_HEADER[1][c?1:0][0]),w(r,h),v(r,a),null!==p&&p.write();for(var d=!0,b=0;b<u.length;b++)d=_(r,u[b]);return d}(t,r,a);case"unsuback":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.messageId,c=s.dup?o.DUP_MASK:0,u=s.granted,l=s.properties,h=s.cmd,f=2;if("number"!==typeof a)return r.emit("error",new Error("Invalid messageId")),!1;if(5===i){if("object"!==typeof u||!u.length)return r.emit("error",new Error("Invalid qos vector")),!1;for(var p=0;p<u.length;p+=1){if("number"!==typeof u[p])return r.emit("error",new Error("Invalid qos vector")),!1;f+=1}}var d=null;if(5===i){if(!(d=j(r,l,n,f)))return!1;f+=d.length}r.write(o.ACKS[h][0][c][0]),w(r,f),v(r,a),null!==d&&d.write();5===i&&r.write(e.from(u));return!0}(t,r,a);case"pingreq":case"pingresp":return function(t,e,r){return e.write(o.EMPTY[t.cmd])}(t,r);case"disconnect":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.reasonCode,c=s.properties,u=5===i?1:0,l=null;if(5===i){if(!(l=j(r,c,n,u)))return!1;u+=l.length}r.write(e.from([o.codes.disconnect<<4])),w(r,u),5===i&&r.write(e.from([a]));null!==l&&l.write();return!0}(t,r,a);case"auth":return function(t,r,n){var i=n?n.protocolVersion:4,s=t||{},a=s.reasonCode,c=s.properties,u=5===i?1:0;5!==i&&r.emit("error",new Error("Invalid mqtt version for auth packet"));var l=j(r,c,n,u);if(!l)return!1;u+=l.length,r.write(e.from([o.codes.auth<<4])),w(r,u),r.write(e.from([a])),null!==l&&l.write();return!0}(t,r,a);default:return r.emit("error",new Error("Unknown command")),!1}}function m(t){t.uncork()}Object.defineProperty(y,"cacheNumbers",{get:function(){return v===E},set:function(t){t?(l&&0!==Object.keys(l).length||(b=!0),v=E):(b=!1,v=O)}});var g={};function w(t,e){if(e>o.VARBYTEINT_MAX)return t.emit("error",new Error("Invalid variable byte integer: ".concat(e))),!1;var r=g[e];return r||(r=p(e),e<16384&&(g[e]=r)),u("writeVarByteInt: writing to stream

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r&&(n=r,r=null);if(r=y({qos:0,retain:!1,dup:!1},r),this._checkDisconnecting(n))return this;var i=this,s=function(){var s=0;if((1===r.qos||2===r.qos)&&null===(s=i._nextId()))return m("No messageId left"),!1;var a={cmd:"publish",topic:t,payload:e,qos:r.qos,retain:r.retain,messageId:s,dup:r.dup};switch(5===o.protocolVersion&&(a.properties=r.properties),m("publish :: qos",r.qos),r.qos){case 1:case 2:i.outgoing[a.messageId]={volatile:!1,cb:n||x},m("MqttClient:publish: packet cmd: %s",a.cmd),i._sendPacket(a,void 0,r.cbStorePut);break;default:m("MqttClient:publish: packet cmd: %s",a.cmd),i._sendPacket(a,n,r.cbStorePut)}return!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!s())&&this._storeProcessingQueue.push({invoke:s,cbStorePut:r.cbStorePut,callback:n}),this},A.prototype.subscribe=function(){for(var t=this,e=new Array(arguments.length),r=0;r<arguments.length;r++)e[r]=arguments[r];var n=[],o=e.shift(),i=o.resubscribe,s=e.pop()||x,a=e.pop(),c=this.options.protocolVersion;delete o.resubscribe,"string"===typeof o&&(o=[o]),"function"!==typeof s&&(a=s,s=x);var u=b.validateTopics(o);if(null!==u)return w(s,new Error("Invalid topic "+u)),this;if(this._checkDisconnecting(s))return m("subscribe: discconecting true"),this;var l={qos:0};if(5===c&&(l.nl=!1,l.rap=!1,l.rh=0),a=y(l,a),Array.isArray(o)?o.forEach((function(e){if(m("subscribe: array topic %s",e),!Object.prototype.hasOwnProperty.call(t._resubscribeTopics,e)||t._resubscribeTopics[e].qos<a.qos||i){var r={topic:e,qos:a.qos};5===c&&(r.nl=a.nl,r.rap=a.rap,r.rh=a.rh,r.properties=a.properties),m("subscribe: pushing topic `%s` and qos `%s` to subs list",r.topic,r.qos),n.push(r)}})):Object.keys(o).forEach((function(e){if(m("subscribe: object topic %s",e),!Object.prototype.hasOwnProperty.call(t._resubscribeTopics,e)||t._resubscribeTopics[e].qos<o[e].qos||i){var r={topic:e,qos:o[e].qos};5===c&&(r.nl=o[e].nl,r.rap=o[e].rap,r.rh=o[e].rh,r.properties=a.properties),m("subscribe: pushing `%s` to subs list",r),n.push(r)}})),!n.length)return s(null,[]),this;var h=function(){var e=t._nextId();if(null===e)return m("No messageId left"),!1;var r={cmd:"subscribe",subscriptions:n,qos:1,retain:!1,dup:!1,messageId:e};if(a.properties&&(r.properties=a.properties),t.options.resubscribe){m("subscribe :: resubscribe true");var o=[];n.forEach((function(e){if(t.options.reconnectPeriod>0){var r={qos:e.qos};5===c&&(r.nl=e.nl||!1,r.rap=e.rap||!1,r.rh=e.rh||0,r.properties=e.properties),t._resubscribeTopics[e.topic]=r,o.push(e.topic)}})),t.messageIdToTopic[r.messageId]=o}return t.outgoing[r.messageId]={volatile:!0,cb:function(t,e){if(!t)for(var r=e.granted,o=0;o<r.length;o+=1)n[o].qos=r[o];s(t,n)}},m("subscribe :: call _sendPacket"),t._sendPacket(r),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!h())&&this._storeProcessingQueue.push({invoke:h,callback:s}),this},A.prototype.unsubscribe=function(){for(var t=this,e=new Array(arguments.length),r=0;r<arguments.length;r++)e[r]=arguments[r];var n=e.shift(),o=e.pop()||x,i=e.pop();"string"===typeof n&&(n=[n]),"function"!==typeof o&&(i=o,o=x);var s=b.validateTopics(n);if(null!==s)return w(o,new Error("Invalid topic "+s)),this;if(t._checkDisconnecting(o))return this;var a=function(){var e=t._nextId();if(null===e)return m("No messageId left"),!1;var r={cmd:"unsubscribe",qos:1,messageId:e};return"string"===typeof n?r.unsubscriptions=[n]:Array.isArray(n)&&(r.unsubscriptions=n),t.options.resubscribe&&r.unsubscriptions.forEach((function(e){delete t._resubscribeTopics[e]})),"object"===typeof i&&i.properties&&(r.properties=i.properties),t.outgoing[r.messageId]={volatile:!0,cb:o},m("unsubscribe: call _sendPacket"),t._sendPacket(r),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!a())&&this._storeProcessingQueue.push({invoke:a,callback:o}),this},A.prototype.end=function(t,e,r){var n=this;function o(){m("end :: closeStores: closing incoming and outgoing stores"),n.disconnected=!0,n.incomingStore.close((function(t){n.outgoingStore.close((function(e){if(m("end :: closeStores: emitting end"),n.emit("end"),r){var o=t||e;m("end :: closeStores: invoking callback with args"),r(o)}}))})),n._deferredReconnect&&n._deferredReconnect()}function i(){m("end :: (%s) :: finish :: calling _cleanUp with force %s",n.options.clientId,t),n._cleanUp(t,(function(){m("end :: finish :: calling process.nextTick on closeStores"),g(o.bind(n))}),e)}return m("end :: (%s)",this.options.clientId),null!=t&&"boolean"===typeof t||(r=e||x,e=t,t=!1,"object"!==typeof e&&(r=e,e=null,"function"!==typeof r&&(r=x))),"object"!==typeof e&&(r=e,e=null),m("end :: cb? %s",!!r),r=r||x,this.disconnecting?(r(),this):(this._clearReconnect(),this.disconnecting=!0,!t&&Object.keys(this.outgoing).length>0?(m("end :: (%s) :: calling finish in 10ms once outgoing is empty",n.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,i,10))):(m("end :: (%s) :: immediately calling finish",n.options.clientId),i()),this)},A.prototype.removeOutgoingMessage=function(t){var e=this.outgoing[t]?this.outgoing[t].cb:null;return delete this.outgoing[t],this.outgoingStore.del({messageId:t},(function(){e(new Error("Message removed"))})),this},A.prototype.reconnect=function(t){m("client reconnect");var e=this,r=function(){t?(e.options.incomingStore=t.incomingStore,e.options.outgoingStore=t.outgoingStore):(e.options.incomingStore=null,e.options.outgoingStore=null),e.incomingStore=e.options.incomingStore||new a,e.outgoingStore=e.options.outgoingStore||new a,e.disconnecting=!1,e.disconnected=!1,e._deferredReconnect=null,e._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=r:r(),this},A.prototype._reconnect=function(){var t=this;

2m("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end((function(){t._setupStream()})),m("client already connected. disconnecting first.")):(m("_reconnect: calling _setupStream"),this._setupStream())},A.prototype._setupReconnect=function(){var t=this;!t.disconnecting&&!t.reconnectTimer&&t.options.reconnectPeriod>0?(this.reconnecting||(m("_setupReconnect :: emit `offline` state"),this.emit("offline"),m("_setupReconnect :: set `reconnecting` to `true`"),this.reconnecting=!0),m("_setupReconnect :: setting reconnectTimer for %d ms",t.options.reconnectPeriod),t.reconnectTimer=setInterval((function(){m("reconnectTimer :: reconnect triggered!"),t._reconnect()}),t.options.reconnectPeriod)):m("_setupReconnect :: doing nothing...")},A.prototype._clearReconnect=function(){m("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},A.prototype._cleanUp=function(t,e){var r=arguments[2];if(e&&(m("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",e)),m("_cleanUp :: forced? %s",t),t)0===this.options.reconnectPeriod&&this.options.clean&&C(this.outgoing),m("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{var n=y({cmd:"disconnect"},r);m("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(n,w.bind(null,this.stream.end.bind(this.stream)))}this.disconnecting||(m("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."),this._clearReconnect(),this._setupReconnect()),null!==this.pingTimer&&(m("_cleanUp :: clearing pingTimer"),this.pingTimer.clear(),this.pingTimer=null),e&&!this.connected&&(m("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",e),e())},A.prototype._sendPacket=function(t,e,r){m("_sendPacket :: (%s) ::  start",this.options.clientId),r=r||x,e=e||x;var n=function(t,e){if(5===t.options.protocolVersion&&"publish"===e.cmd){var r;e.properties&&(r=e.properties.topicAlias);var n=e.topic.toString();if(t.topicAliasSend)if(r){if(0!==n.length&&(m("applyTopicAlias :: register topic: %s - alias: %d",n,r),!t.topicAliasSend.put(n,r)))return m("applyTopicAlias :: error out of range. topic: %s - alias: %d",n,r),new Error("Sending Topic Alias out of range")}else 0!==n.length&&(t.options.autoAssignTopicAlias?(r=t.topicAliasSend.getAliasByTopic(n))?(e.topic="",e.properties=i(i({},e.properties),{},{topicAlias:r}),m("applyTopicAlias :: auto assign(use) topic: %s - alias: %d",n,r)):(r=t.topicAliasSend.getLruAlias(),t.topicAliasSend.put(n,r),e.properties=i(i({},e.properties),{},{topicAlias:r}),m("applyTopicAlias :: auto assign topic: %s - alias: %d",n,r)):t.options.autoUseTopicAlias&&(r=t.topicAliasSend.getAliasByTopic(n))&&(e.topic="",e.properties=i(i({},e.properties),{},{topicAlias:r}),m("applyTopicAlias :: auto use topic: %s - alias: %d",n,r)));else if(r)return m("applyTopicAlias :: error out of range. topic: %s - alias: %d",n,r),new Error("Sending Topic Alias out of range")}}(this,t);if(n)e(n);else{if(!this.connected)return"auth"===t.cmd?(this._shiftPingInterval(),void k(this,t,e)):(m("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(t,e,r));switch(this._shiftPingInterval(),t.cmd){case"publish":break;case"pubrel":return void j(this,t,e,r);default:return void k(this,t,e)}switch(t.qos){case 2:case 1:j(this,t,e,r);break;case 0:default:k(this,t,e)}m("_sendPacket :: (%s) ::  end",this.options.clientId)}},A.prototype._storePacket=function(t,e,r){m("_storePacket :: packet: %o",t),m("_storePacket :: cb? %s",!!e),r=r||x;var n=t;if("publish"===n.cmd){var o=O(this,n=v(t));if(o)return e&&e(o)}0===(n.qos||0)&&this.queueQoSZero||"publish"!==n.cmd?this.queue.push({packet:n,cb:e}):n.qos>0?(e=this.outgoing[n.messageId]?this.outgoing[n.messageId].cb:null,this.outgoingStore.put(n,(function(t){if(t)return e&&e(t);r()}))):e&&e(new Error("No connection to broker"))},A.prototype._setupPingTimer=function(){m("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive);var t=this;!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=d((function(){t._checkPing(

2)}),1e3*this.options.keepalive))},A.prototype._shiftPingInterval=function(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)},A.prototype._checkPing=function(){m("_checkPing :: checking ping..."),this.pingResp?(m("_checkPing :: ping response received. Clearing flag and sending `pingreq`"),this.pingResp=!1,this._sendPacket({cmd:"pingreq"})):(m("_checkPing :: calling _cleanUp with force true"),this._cleanUp(!0))},A.prototype._handlePingresp=function(){this.pingResp=!0},A.prototype._handleConnack=function(t){m("_handleConnack");var e=this.options,r=5===e.protocolVersion?t.reasonCode:t.returnCode;if(clearTimeout(this.connackTimer),delete this.topicAliasSend,t.properties){if(t.properties.topicAliasMaximum){if(t.properties.topicAliasMaximum>65535)return void this.emit("error",new Error("topicAliasMaximum from broker is out of range"));t.properties.topicAliasMaximum>0&&(this.topicAliasSend=new u(t.properties.topicAliasMaximum))}t.properties.serverKeepAlive&&e.keepalive&&(e.keepalive=t.properties.serverKeepAlive,this._shiftPingInterval()),t.properties.maximumPacketSize&&(e.properties||(e.properties={}),e.properties.maximumPacketSize=t.properties.maximumPacketSize)}if(0===r)this.reconnecting=!1,this._onConnect(t);else if(r>0){var n=new Error("Connection refused: "+E[r]);n.code=r,this.emit("error",n)}},A.prototype._handleAuth=function(t){var e=this.options.protocolVersion,r=5===e?t.reasonCode:t.returnCode;if(5!==e){var n=new Error("Protocol error: Auth packets are only supported in MQTT 5. Your version:"+e);return n.code=r,void this.emit("error",n)}var o=this;this.handleAuth(t,(function(t,e){if(t)o.emit("error",t);else if(24===r)o.reconnecting=!1,o._sendPacket(e);else{var n=new Error("Connection refused: "+E[r]);t.code=r,o.emit("error",n)}}))},A.prototype.handleAuth=function(t,e){e()},A.prototype._handlePublish=function(t,e){m("_handlePublish: packet %o",t),e="undefined"!==typeof e?e:x;var r,n=t.topic.toString(),o=t.payload,i=t.qos,s=t.messageId,a=this,c=this.options,u=[0,16,128,131,135,144,145,151,153];if(5===this.options.protocolVersion&&(t.properties&&(r=t.properties.topicAlias),"undefined"!==typeof r))if(0===n.length){if(!(r>0&&r<=65535))return m("_handlePublish :: topic alias out of range. alias: %d",r),void this.emit("error",new Error("Received Topic Alias is out of range"));var l=this.topicAliasRecv.getTopicByAlias(r);if(!l)return m("_handlePublish :: unregistered topic alias. alias: %d",r),void this.emit("error",new Error("Received unregistered Topic Alias"));m("_handlePublish :: topic complemented by alias. topic: %s - alias: %d",n=l,r)}else{if(!this.topicAliasRecv.put(n,r))return m("_handlePublish :: topic alias out of range. alias: %d",r),void this.emit("error",new Error("Received Topic Alias is out of range"));m("_handlePublish :: registered topic: %s - alias: %d",n,r)}switch(m("_handlePublish: qos %d",i),i){case 2:c.customHandleAcks(n,o,t,(function(r,n){return r instanceof Error||(n=r,r=null),r?a.emit("error",r):-1===u.indexOf(n)?a.emit("error",new Error("Wrong reason code for pubrec")):void(n?a._sendPacket({cmd:"pubrec",messageId:s,reasonCode:n},e):a.incomingStore.put(t,(function(){a._sendPacket({cmd:"pubrec",messageId:s},e)})))}));break;case 1:c.customHandleAcks(n,o,t,(function(r,i){return r instanceof Error||(i=r,r=null),r?a.emit("error",r):-1===u.indexOf(i)?a.emit("error",new Error("Wrong reason code for puback")):(i||a.emit("message",n,o,t),void a.handleMessage(t,(function(t){if(t)return e&&e(t);a._sendPacket({cmd:"puback",messageId:s,reasonCode:i},e)})))}));break;case 0:this.emit("message",n,o,t),this.handleMessage(t,e);break;default:m("_handlePublish: unknown QoS. Doing nothing.")}},A.prototype.handleMessage=function(t,e){e()},A.prototype._handleAck=function(t){var e,r=t.messageId,n=t.cmd,o=null,i=this.outgoing[r]?this.outgoing[r].cb:null,s=this;if(i){switch(m("_handleAck :: packet type",n),n){case"pubcomp":case"puback":var a=t.reasonCode;a&&a>0&&16!==a&&((e=new Error("Publish error: "+E[a])).code=a,i(e,t)),delete this.outgoing[r],this.outgoingStore.del(t,i),this.messageIdProvider.deallocate(r),this._invokeStoreProcessingQueue();break;case"pubrec":o={cmd:"pubrel",qos:2,messageId:r};var c=t.reasonCode;c&&c>0&&16!==c?((e=new Error("Publish error: "+E[c])).code=c,i(e,t)):this._sendPacket(o);break;case"suback":delete this.outgoing[r],this.messageIdProvider.deallocate(r);for(var u=0;u<t.granted.length;

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2return h("parse: exited while loop. packet: %d, buffer list length: %d",this.packet.length,this._list.length),this._list.length}},{key:"_parseHeader",value:function(){var t=this._list.readUInt8(0);return this.packet.cmd=l.types[t>>l.CMD_SHIFT],this.packet.retain=0!==(t&l.RETAIN_MASK),this.packet.qos=t>>l.QOS_SHIFT&l.QOS_MASK,this.packet.dup=0!==(t&l.DUP_MASK),h("_parseHeader: packet: %o",this.packet),this._list.consume(1),!0}},{key:"_parseLength",value:function(){var t=this._parseVarByteNum(!0);return t&&(this.packet.length=t.value,this._list.consume(t.bytes)),h("_parseLength %d",t.value),!!t}},{key:"_parsePayload",value:function(){h("_parsePayload: payload %O",this._list);var t=!1;if(0===this.packet.length||this._list.length>=this.packet.length){switch(this._pos=0,this.packet.cmd){case"connect":this._parseConnect();break;case"connack":this._parseConnack();break;case"publish":this._parsePublish();break;case"puback":case"pubrec":case"pubrel":case"pubcomp":this._parseConfirmation();break;case"subscribe":this._parseSubscribe();break;case"suback":this._parseSuback();break;case"unsubscribe":this._parseUnsubscribe();break;case"unsuback":this._parseUnsuback();break;case"pingreq":case"pingresp":break;case"disconnect":this._parseDisconnect();break;case"auth":this._parseAuth();break;default:this._emitError(new Error("Not supported"))}t=!0}return h("_parsePayload complete result: %s",t),t}},{key:"_parseConnect",value:function(){var t,e,r,n;h("_parseConnect");var o={},i=this.packet,s=this._parseString();if(null===s)return this._emitError(new Error("Cannot parse protocolId"));if("MQTT"!==s&&"MQIsdp"!==s)return this._emitError(new Error("Invalid protocolId"));if(i.protocolId=s,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(i.protocolVersion=this._list.readUInt8(this._pos),i.protocolVersion>=128&&(i.bridgeMode=!0,i.protocolVersion=i.protocolVersion-128),3!==i.protocolVersion&&4!==i.protocolVersion&&5!==i.protocolVersion)return this._emitError(new Error("Invalid protocol version"));if(this._pos++,this._pos>=this._list.length)return this._emitError(new Error("Packet too short"));if(o.username=this._list.readUInt8(this._pos)&l.USERNAME_MASK,o.password=this._list.readUInt8(this._pos)&l.PASSWORD_MASK,o.will=this._list.readUInt8(this._pos)&l.WILL_FLAG_MASK,o.will&&(i.will={},i.will.retain=0!==(this._list.readUInt8(this._pos)&l.WILL_RETAIN_MASK),i.will.qos=(this._list.readUInt8(this._pos)&l.WILL_QOS_MASK)>>l.WILL_QOS_SHIFT),i.clean=0!==(this._list.readUInt8(this._pos)&l.CLEAN_SESSION_MASK),this._pos++,i.keepalive=this._parseNum(),-1===i.keepalive)return this._emitError(new Error("Packet too short"));if(5===i.protocolVersion){var a=this._parseProperties();Object.getOwnPropertyNames(a).length&&(i.properties=a)}var c=this._parseString();if(null===c)return this._emitError(new Error("Packet too short"));if(i.clientId=c,h("_parseConnect: packet.clientId: %s",i.clientId),o.will){if(5===i.protocolVersion){var u=this._parseProperties();Object.getOwnPropertyNames(u).length&&(i.will.properties=u)}if(null===(t=this._parseString()))return this._emitError(new Error("Cannot parse will topic"));if(i.will.topic=t,h("_parseConnect: packet.will.topic: %s",i.will.topic),null===(e=this._parseBuffer()))return this._emitError(new Error("Cannot parse will payload"));i.will.payload=e,h("_parseConnect: packet.will.paylaod: %s",i.will.payload)}if(o.username){if(null===(n=this._parseString()))return this._emitError(new Error("Cannot parse username"));i.username=n,h("_parseConnect: packet.username: %s",i.username)}if(o.password){if(null===(r=this._parseBuffer()))return this._emitError(new Error("Cannot parse password"));i.password=r}return this.settings=i,h("_parseConnect: complete"),i}},{key:"_parseConnack",value:function(){h("_parseConnack");var t=this.packet;if(this._list.length<1)return null;if(t.sessionPresent=!!(this._list.readUInt8(this._pos++)&l.SESSIONPRESENT_MASK),5===this.settings.protocolVersion)this._list.length>=2?t.reasonCode=this._list.readUInt8(this._pos++):t.reasonCode=0;else{if(this._list.length<2)return null;t.returnCode=this._list.readUInt8(this._pos++)}if(-1===t.returnCode||-1===t.reasonCode)return this._emitError(new Error("Cannot parse return code"));if(5===this.settings.protocolVersion){var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}h("_parseConnack: complete")}},{key:"_parsePublish",value:function(){h("_parsePublish");var t=this.packet;if(t.topic=this._parseString(),null===t.topic)return this._emitError(new Error("Cannot parse topic"));if(!(t.qos>0)||this._parseMessageId()){if(5===this.settings.protocolVersion){var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}t.payload=this._list.slice(this._pos,t.length),h("_parsePublish: payload from buffer list: %o",t.payload)}}},{key:"_parseSubscribe",value:function(){h("_parseSubscribe");var t,e,r,n,o,i,s,a=this.packet;if(1!==a.qos)return this._emitError(new Error("Wrong subscribe header"));if(a.subscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var c=this._parseProperties();Object.getOwnPropertyNames(c).length&&(a.properties=c)}for(;this._pos<a.length;){if(null===(t=this._parseString()))return this._emitError(new Error("Cannot parse topic"));if(this._pos>=a.length)return this._emitError(new Error("Malformed Subscribe Payload"));r=(e=this._parseByte())&l.SUBSCRIBE_OPTIONS_QOS_MASK,i=0!==(e>>l.SUBSCRIBE_OPTIONS_NL_SHIFT&l.SUBSCRIBE_OPTIONS_NL_MASK),o=0!==(e>>l.SUBSCRIBE_OPTIONS_RAP_SHIFT&l.SUBSCRIBE_OPTIONS_RAP_MASK),n=e>>l.SUBSCRIBE_OPTIONS_RH_SHIFT&l.SUBSCRIBE_OPTIONS_RH_MASK,s={topic:t,qos:r},5===this.settings.protocolVersion?(s.nl=i,s.rap=o,s.rh=n):this.settings.bridgeMode&&(s.rh=0,s.rap=!0,s.nl=!0),h("_parseSubscribe: push subscription `%s` to subscription",s),a.subscriptions.push(s)}}}},{key:"_parseSuback",value:function(){h("_parseSuback");var t=this.packet;if(this.packet.granted=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}for(;this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}}},{key:"_parseUnsubscribe",value:function(){h("_parseUnsubscribe");var t=this.packet;if(t.unsubscriptions=[],this._parseMessageId()){if(5===this.settings.protocolVersion){var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}for(;this._pos<t.length;){var r=this._parseString();if(null===r)return this._emitError(new Error("Cannot parse topic"));h("_parseUnsubscribe: push topic `%s` to unsubscriptions",r),t.unsubscriptions.push(r)}}}},{key:"_parseUnsuback",value:function(){h("_parseUnsuback");var t=this.packet;if(!this._parseMessageId())return this._emitError(new Error("Cannot parse messageId"));if(5===this.settings.protocolVersion){var e=this._parseProperties();for(Object.getOwnPropertyNames(e).length&&(t.properties=e),t.granted=[];this._pos<this.packet.length;)this.packet.granted.push(this._list.readUInt8(this._pos++))}}},{key:"_parseConfirmation",value:function(){h("_parseConfirmation: packet.cmd: `%s`",this.packet.cmd);var t=this.packet;if(this._parseMessageId(),5===this.settings.protocolVersion&&(t.length>2?(t.reasonCode=this._parseByte(),h("_parseConfirmation: packet.reasonCode `%d`",t.reasonCode)):t.reasonCode=0,t.length>3)){var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}return!0}},{key:"_parseDisconnect",value:function(){var t=this.packet;if(h("_parseDisconnect"),5===this.settings.protocolVersion){this._list.length>0?t.reasonCode=this._parseByte():t.reasonCode=0;var e=this._parseProperties();Object.getOwnPropertyNames(e).length&&(t.properties=e)}return h("_parseDisconnect result: true"),!0}},{key:"_parseAuth",value:function(){h("_parseAuth");var t=this.packet;if(5!==this.settings.protocolVersion)return this._emitError(new Error("Not supported auth packet for this version MQTT"));t.reasonCode=this._parseByte();var e=this._parseProperties();return Object.getOwnPropertyNames(e).length&&(t.properties=e),h("_parseAuth: result: true"),!0}},{key:"_parseMessageId",value:function(){var t=this.packet;return t.messageId=this._parseNum(),null===t.messageId?(this._emitError(new Error("Cannot parse messageId")),!1):(h("_parseMessageId: packet.messageId %d",t.messageId),!0)}},{key:"_parseString",value:function(t){var e=this._parseNum(),r=e+this._pos;if(-1===e||r>this._list.length||r>this.packet.length)return null;var n=this._list.toString("utf8",this._pos,r);

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