@seastart/srtc-web-sdk/srtc.mjs

srtc sdk for web

var e={5964:(e,t,r)=>{var i=r(3908);const n=r(9273).EventEmitter,o=r(6394),s=r(9790),a=r(3124),c=r(3140),u=r(9996),l=r(1181).Writable,h=r(6371),d=r(5371),f=r(1691),p=r(1223),g=r(7616),m=r(659)("mqttjs:client"),y=i?i.nextTick:function(e){setTimeout(e,0)},v=r.g.setImmediate||function(e){y(e)},b={keepalive:60,reschedulePings:!0,protocolId:"MQTT",protocolVersion:4,reconnectPeriod:1e3,connectTimeout:3e4,clean:!0,resubscribe:!0},w=["ECONNREFUSED","EADDRINUSE","ECONNRESET","ENOTFOUND","ETIMEDOUT"],k={0:"",1:"Unacceptable protocol version",2:"Identifier rejected",3:"Server unavailable",4:"Bad username or password",5:"Not authorized",16:"No matching subscribers",17:"No subscription existed",128:"Unspecified error",129:"Malformed Packet",130:"Protocol Error",131:"Implementation specific error",132:"Unsupported Protocol Version",133:"Client Identifier not valid",134:"Bad User Name or Password",135:"Not authorized",136:"Server unavailable",137:"Server busy",138:"Banned",139:"Server shutting down",140:"Bad authentication method",141:"Keep Alive timeout",142:"Session taken over",143:"Topic Filter invalid",144:"Topic Name invalid",145:"Packet identifier in use",146:"Packet Identifier not found",147:"Receive Maximum exceeded",148:"Topic Alias invalid",149:"Packet too large",150:"Message rate too high",151:"Quota exceeded",152:"Administrative action",153:"Payload format invalid",154:"Retain not supported",155:"QoS not supported",156:"Use another server",157:"Server moved",158:"Shared Subscriptions not supported",159:"Connection rate exceeded",160:"Maximum connect time",161:"Subscription Identifiers not supported",162:"Wildcard Subscriptions not supported"};function _(e,t){let r;t.properties&&(r=t.properties.topicAlias);let i=t.topic.toString();if(0===i.length){if(void 0===r)return new Error("Unregistered Topic Alias");if(i=e.topicAliasSend.getTopicByAlias(r),void 0===i)return new Error("Unregistered Topic Alias");t.topic=i}r&&delete t.properties.topicAlias}function S(e,t,r){m("sendPacket :: packet: %O",t),m("sendPacket :: emitting `packetsend`"),e.emit("packetsend",t),m("sendPacket :: writing to stream");const i=c.writeToStream(t,e.stream,e.options);m("sendPacket :: writeToStream result %s",i),!i&&r&&r!==T?(m("sendPacket :: handle events on `drain` once through callback."),e.stream.once("drain",r)):r&&(m("sendPacket :: invoking cb"),r())}function E(e,t,r,i){m("storeAndSend :: store packet with cmd %s to outgoingStore",t.cmd);let n,o=t;if("publish"===o.cmd&&(o=f(t),n=_(e,o),n))return r&&r(n);e.outgoingStore.put(o,(function(n){if(n)return r&&r(n);i(),S(e,t,r)}))}function T(e){m("nop ::",e)}function C(e,t){let r;const i=this;if(!(this instanceof C))return new C(e,t);for(r in this.options=t||{},b)void 0===this.options[r]?this.options[r]=b[r]:this.options[r]=t[r];m("MqttClient :: options.protocol",t.protocol),m("MqttClient :: options.protocolVersion",t.protocolVersion),m("MqttClient :: options.username",t.username),m("MqttClient :: options.keepalive",t.keepalive),m("MqttClient :: options.reconnectPeriod",t.reconnectPeriod),m("MqttClient :: options.rejectUnauthorized",t.rejectUnauthorized),m("MqttClient :: options.topicAliasMaximum",t.topicAliasMaximum),this.options.clientId="string"==typeof t.clientId?t.clientId:"mqttjs_"+Math.random().toString(16).substr(2,8),m("MqttClient :: clientId",this.options.clientId),this.options.customHandleAcks=5===t.protocolVersion&&t.customHandleAcks?t.customHandleAcks:function(){arguments[3](0)},this.streamBuilder=e,this.messageIdProvider=void 0===this.options.messageIdProvider?new u:this.options.messageIdProvider,this.outgoingStore=t.outgoingStore||new o,this.incomingStore=t.incomingStore||new o,this.queueQoSZero=void 0===t.queueQoSZero||t.queueQoSZero,this._resubscribeTopics={},this.messageIdToTopic={},this.pingTimer=null,this.connected=!1,this.disconnecting=!1,this.queue=[],this.connackTimer=null,this.reconnectTimer=null,this._storeProcessing=!1,this._packetIdsDuringStoreProcessing={},this._storeProcessingQueue=[],this.outgoing={},this._firstConnection=!0,t.topicAliasMaximum>0&&(t.topicAliasMaximum>65535?m("MqttClient :: options.topicAliasMaximum is out of range"):this.topicAliasRecv=new s(t.topicAliasMaximum)),this.on("connect",(function(){const e=this.queue;m("connect :: sending queued packets"),function t(){const r=e.shift();m("deliver :: entry %o",r);let n=null;if(!r)return void i._resubscribe();n=r.packet,m("deliver :: call _sendPacket for %o",n);let o=!0;n.messageId&&0!==n.messageId&&(i.messageIdProvider.register(n.messageId)||(o=!1)),o?i._sendPacket(n,(function(e){r.cb&&r.cb(e),t()})):(m("messageId: %d has already used. The message is skipped and removed.",n.messageId),t())}()})),this.on("close",(function(){m("close :: connected set to `false`"),this.connected=!1,m("close :: clearing connackTimer"),clearTimeout(this.connackTimer),m("close :: clearing ping timer"),null!==i.pingTimer&&(i.pingTimer.clear(),i.pingTimer=null),this.topicAliasRecv&&this.topicAliasRecv.clear(),m("close :: calling _setupReconnect"),this._setupReconnect()})),n.call(this),m("MqttClient :: setting up stream"),this._setupStream()}h(C,n),C.prototype._setupStream=function(){const e=this,t=new l,r=c.parser(this.options);let i=null;const n=[];function o(){if(n.length)y(s);else{const e=i;i=null,e()}}function s(){m("work :: getting next packet in queue");const t=n.shift();if(t)m("work :: packet pulled from queue"),e._handlePacket(t,o);else{m("work :: no packets in queue");const e=i;i=null,m("work :: done flag is %s",!!e),e&&e()}}m("_setupStream :: calling method to clear reconnect"),this._clearReconnect(),m("_setupStream :: using streamBuilder provided to client to create stream"),this.stream=this.streamBuilder(this),r.on("packet",(function(e){m("parser :: on packet push to packets array."),n.push(e)})),t._write=function(e,t,n){i=n,m("writable stream :: parsing buffer"),r.parse(e),s()},m("_setupStream :: pipe stream to writable stream"),this.stream.pipe(t),this.stream.on("error",(function(t){m("streamErrorHandler :: error",t.message),w.includes(t.code)?(m("streamErrorHandler :: emitting error"),e.emit("error",t)):T(t)})),this.stream.on("close",(function(){var t;m("(%s)stream :: on close",e.options.clientId),(t=e.outgoing)&&(m("flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function"),Object.keys(t).forEach((function(e){t[e].volatile&&"function"==typeof t[e].cb&&(t[e].cb(new Error("Connection closed")),delete t[e])}))),m("stream: emit close to MqttClient"),e.emit("close")})),m("_setupStream: sending packet `connect`");const a=Object.create(this.options);if(a.cmd="connect",this.topicAliasRecv&&(a.properties||(a.properties={}),this.topicAliasRecv&&(a.properties.topicAliasMaximum=this.topicAliasRecv.max)),S(this,a),r.on("error",this.emit.bind(this,"error")),this.options.properties){if(!this.options.properties.authenticationMethod&&this.options.properties.authenticationData)return e.end((()=>this.emit("error",new Error("Packet has no Authentication Method")))),this;if(this.options.properties.authenticationMethod&&this.options.authPacket&&"object"==typeof this.options.authPacket){S(this,g({cmd:"auth",reasonCode:0},this.options.authPacket))}}this.stream.setMaxListeners(1e3),clearTimeout(this.connackTimer),this.connackTimer=setTimeout((function(){m("!!connectTimeout hit!! Calling _cleanUp with force `true`"),e._cleanUp(!0)}),this.options.connectTimeout)},C.prototype._handlePacket=function(e,t){const r=this.options;if(5===r.protocolVersion&&r.properties&&r.properties.maximumPacketSize&&r.properties.maximumPacketSize<e.length)return this.emit("error",new Error("exceeding packets size "+e.cmd)),this.end({reasonCode:149,properties:{reasonString:"Maximum packet size was exceeded"}}),this;switch(m("_handlePacket :: emitting packetreceive"),this.emit("packetreceive",e),e.cmd){case"publish":this._handlePublish(e,t);break;case"puback":case"pubrec":case"pubcomp":case"suback":case"unsuback":this._handleAck(e),t();break;case"pubrel":this._handlePubrel(e,t);break;case"connack":this._handleConnack(e),t();break;case"auth":this._handleAuth(e),t();break;case"pingresp":this._handlePingresp(e),t();break;case"disconnect":this._handleDisconnect(e),t()}},C.prototype._checkDisconnecting=function(e){return this.disconnecting&&(e&&e!==T?e(new Error("client disconnecting")):this.emit("error",new Error("client disconnecting"))),this.disconnecting},C.prototype.publish=function(e,t,r,i){m("publish :: message `%s` to topic `%s`",t,e);const n=this.options;"function"==typeof r&&(i=r,r=null);if(r=g({qos:0,retain:!1,dup:!1},r),this._checkDisconnecting(i))return this;const o=this,s=function(){let s=0;if((1===r.qos||2===r.qos)&&(s=o._nextId(),null===s))return m("No messageId left"),!1;const a={cmd:"publish",topic:e,payload:t,qos:r.qos,retain:r.retain,messageId:s,dup:r.dup};switch(5===n.protocolVersion&&(a.properties=r.properties),m("publish :: qos",r.qos),r.qos){case 1:case 2:o.outgoing[a.messageId]={volatile:!1,cb:i||T},m("MqttClient:publish: packet cmd: %s",a.cmd),o._sendPacket(a,void 0,r.cbStorePut);break;default:m("MqttClient:publish: packet cmd: %s",a.cmd),o._sendPacket(a,i,r.cbStorePut)}return!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!s())&&this._storeProcessingQueue.push({invoke:s,cbStorePut:r.cbStorePut,callback:i}),this},C.prototype.subscribe=function(){const e=this,t=new Array(arguments.length);for(let e=0;e<arguments.length;e++)t[e]=arguments[e];const r=[];let i=t.shift();const n=i.resubscribe;let o=t.pop()||T,s=t.pop();const a=this.options.protocolVersion;delete i.resubscribe,"string"==typeof i&&(i=[i]),"function"!=typeof o&&(s=o,o=T);const c=p.validateTopics(i);if(null!==c)return v(o,new Error("Invalid topic "+c)),this;if(this._checkDisconnecting(o))return m("subscribe: discconecting true"),this;const u={qos:0};if(5===a&&(u.nl=!1,u.rap=!1,u.rh=0),s=g(u,s),Array.isArray(i)?i.forEach((function(t){if(m("subscribe: array topic %s",t),!Object.prototype.hasOwnProperty.call(e._resubscribeTopics,t)||e._resubscribeTopics[t].qos<s.qos||n){const e={topic:t,qos:s.qos};5===a&&(e.nl=s.nl,e.rap=s.rap,e.rh=s.rh,e.properties=s.properties),m("subscribe: pushing topic `%s` and qos `%s` to subs list",e.topic,e.qos),r.push(e)}})):Object.keys(i).forEach((function(t){if(m("subscribe: object topic %s",t),!Object.prototype.hasOwnProperty.call(e._resubscribeTopics,t)||e._resubscribeTopics[t].qos<i[t].qos||n){const e={topic:t,qos:i[t].qos};5===a&&(e.nl=i[t].nl,e.rap=i[t].rap,e.rh=i[t].rh,e.properties=s.properties),m("subscribe: pushing `%s` to subs list",e),r.push(e)}})),!r.length)return o(null,[]),this;const l=function(){const t=e._nextId();if(null===t)return m("No messageId left"),!1;const i={cmd:"subscribe",subscriptions:r,qos:1,retain:!1,dup:!1,messageId:t};if(s.properties&&(i.properties=s.properties),e.options.resubscribe){m("subscribe :: resubscribe true");const t=[];r.forEach((function(r){if(e.options.reconnectPeriod>0){const i={qos:r.qos};5===a&&(i.nl=r.nl||!1,i.rap=r.rap||!1,i.rh=r.rh||0,i.properties=r.properties),e._resubscribeTopics[r.topic]=i,t.push(r.topic)}})),e.messageIdToTopic[i.messageId]=t}return e.outgoing[i.messageId]={volatile:!0,cb:function(e,t){if(!e){const e=t.granted;for(let t=0;t<e.length;t+=1)r[t].qos=e[t]}o(e,r)}},m("subscribe :: call _sendPacket"),e._sendPacket(i),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!l())&&this._storeProcessingQueue.push({invoke:l,callback:o}),this},C.prototype.unsubscribe=function(){const e=this,t=new Array(arguments.length);for(let e=0;e<arguments.length;e++)t[e]=arguments[e];let r=t.shift(),i=t.pop()||T,n=t.pop();"string"==typeof r&&(r=[r]),"function"!=typeof i&&(n=i,i=T);const o=p.validateTopics(r);if(null!==o)return v(i,new Error("Invalid topic "+o)),this;if(e._checkDisconnecting(i))return this;const s=function(){const t=e._nextId();if(null===t)return m("No messageId left"),!1;const o={cmd:"unsubscribe",qos:1,messageId:t};return"string"==typeof r?o.unsubscriptions=[r]:Array.isArray(r)&&(o.unsubscriptions=r),e.options.resubscribe&&o.unsubscriptions.forEach((function(t){delete e._resubscribeTopics[t]})),"object"==typeof n&&n.properties&&(o.properties=n.properties),e.outgoing[o.messageId]={volatile:!0,cb:i},m("unsubscribe: call _sendPacket"),e._sendPacket(o),!0};return(this._storeProcessing||this._storeProcessingQueue.length>0||!s())&&this._storeProcessingQueue.push({invoke:s,callback:i}),this},C.prototype.end=function(e,t,r){const i=this;function n(){m("end :: closeStores: closing incoming and outgoing stores"),i.disconnected=!0,i.incomingStore.close((function(e){i.outgoingStore.close((function(t){if(m("end :: closeStores: emitting end"),i.emit("end"),r){const i=e||t;m("end :: closeStores: invoking callback with args"),r(i)}}))})),i._deferredReconnect&&i._deferredReconnect()}function o(){m("end :: (%s) :: finish :: calling _cleanUp with force %s",i.options.clientId,e),i._cleanUp(e,(()=>{m("end :: finish :: calling process.nextTick on closeStores"),y(n.bind(i))}),t)}return m("end :: (%s)",this.options.clientId),null!=e&&"boolean"==typeof e||(r=t||T,t=e,e=!1,"object"!=typeof t&&(r=t,t=null,"function"!=typeof r&&(r=T))),"object"!=typeof t&&(r=t,t=null),m("end :: cb? %s",!!r),r=r||T,this.disconnecting?(r(),this):(this._clearReconnect(),this.disconnecting=!0,!e&&Object.keys(this.outgoing).length>0?(m("end :: (%s) :: calling finish in 10ms once outgoing is empty",i.options.clientId),this.once("outgoingEmpty",setTimeout.bind(null,o,10))):(m("end :: (%s) :: immediately calling finish",i.options.clientId),o()),this)},C.prototype.removeOutgoingMessage=function(e){const t=this.outgoing[e]?this.outgoing[e].cb:null;return delete this.outgoing[e],this.outgoingStore.del({messageId:e},(function(){t(new Error("Message removed"))})),this},C.prototype.reconnect=function(e){m("client reconnect");const t=this,r=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 o,t.outgoingStore=t.options.outgoingStore||new o,t.disconnecting=!1,t.disconnected=!1,t._deferredReconnect=null,t._reconnect()};return this.disconnecting&&!this.disconnected?this._deferredReconnect=r:r(),this},C.prototype._reconnect=function(){m("_reconnect: emitting reconnect to client"),this.emit("reconnect"),this.connected?(this.end((()=>{this._setupStream()})),m("client already connected. disconnecting first.")):(m("_reconnect: calling _setupStream"),this._setupStream())},C.prototype._setupReconnect=function(){const e=this;!e.disconnecting&&!e.reconnectTimer&&e.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",e.options.reconnectPeriod),e.reconnectTimer=setInterval((function(){m("reconnectTimer :: reconnect triggered!"),e._reconnect()}),e.options.reconnectPeriod)):m("_setupReconnect :: doing nothing...")},C.prototype._clearReconnect=function(){m("_clearReconnect : clearing reconnect timer"),this.reconnectTimer&&(clearInterval(this.reconnectTimer),this.reconnectTimer=null)},C.prototype._cleanUp=function(e,t){const r=arguments[2];if(t&&(m("_cleanUp :: done callback provided for on stream close"),this.stream.on("close",t)),m("_cleanUp :: forced? %s",e),e)0===this.options.reconnectPeriod&&this.options.clean&&(i=this.outgoing)&&(m("flush: queue exists? %b",!!i),Object.keys(i).forEach((function(e){"function"==typeof i[e].cb&&(i[e].cb(new Error("Connection closed")),delete i[e])}))),m("_cleanUp :: (%s) :: destroying stream",this.options.clientId),this.stream.destroy();else{const e=g({cmd:"disconnect"},r);m("_cleanUp :: (%s) :: call _sendPacket with disconnect packet",this.options.clientId),this._sendPacket(e,v.bind(null,this.stream.end.bind(this.stream)))}var i;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),t&&!this.connected&&(m("_cleanUp :: (%s) :: removing stream `done` callback `close` listener",this.options.clientId),this.stream.removeListener("close",t),t())},C.prototype._sendPacket=function(e,t,r){m("_sendPacket :: (%s) ::  start",this.options.clientId),r=r||T,t=t||T;const i=function(e,t){if(5===e.options.protocolVersion&&"publish"===t.cmd){let r;t.properties&&(r=t.properties.topicAlias);const i=t.topic.toString();if(e.topicAliasSend)if(r){if(0!==i.length&&(m("applyTopicAlias :: register topic: %s - alias: %d",i,r),!e.topicAliasSend.put(i,r)))return m("applyTopicAlias :: error out of range. topic: %s - alias: %d",i,r),new Error("Sending Topic Alias out of range")}else 0!==i.length&&(e.options.autoAssignTopicAlias?(r=e.topicAliasSend.getAliasByTopic(i),r?(t.topic="",t.properties={...t.properties,topicAlias:r},m("applyTopicAlias :: auto assign(use) topic: %s - alias: %d",i,r)):(r=e.topicAliasSend.getLruAlias(),e.topicAliasSend.put(i,r),t.properties={...t.properties,topicAlias:r},m("applyTopicAlias :: auto assign topic: %s - alias: %d",i,r))):e.options.autoUseTopicAlias&&(r=e.topicAliasSend.getAliasByTopic(i),r&&(t.topic="",t.properties={...t.properties,topicAlias:r},m("applyTopicAlias :: auto use topic: %s - alias: %d",i,r))));else if(r)return m("applyTopicAlias :: error out of range. topic: %s - alias: %d",i,r),new Error("Sending Topic Alias out of range")}}(this,e);if(i)t(i);else{if(!this.connected)return"auth"===e.cmd?(this._shiftPingInterval(),void S(this,e,t)):(m("_sendPacket :: client not connected. Storing packet offline."),void this._storePacket(e,t,r));switch(this._shiftPingInterval(),e.cmd){case"publish":break;case"pubrel":return void E(this,e,t,r);default:return void S(this,e,t)}switch(e.qos){case 2:case 1:E(this,e,t,r);break;default:S(this,e,t)}m("_sendPacket :: (%s) ::  end",this.options.clientId)}},C.prototype._storePacket=function(e,t,r){m("_storePacket :: packet: %o",e),m("_storePacket :: cb? %s",!!t),r=r||T;let i=e;if("publish"===i.cmd){i=f(e);const r=_(this,i);if(r)return t&&t(r)}0===(i.qos||0)&&this.queueQoSZero||"publish"!==i.cmd?this.queue.push({packet:i,cb:t}):i.qos>0?(t=this.outgoing[i.messageId]?this.outgoing[i.messageId].cb:null,this.outgoingStore.put(i,(function(e){if(e)return t&&t(e);r()}))):t&&t(new Error("No connection to broker"))},C.prototype._setupPingTimer=function(){m("_setupPingTimer :: keepalive %d (seconds)",this.options.keepalive);const e=this;!this.pingTimer&&this.options.keepalive&&(this.pingResp=!0,this.pingTimer=d((function(){e._checkPing()}),1e3*this.options.keepalive))},C.prototype._shiftPingInterval=function(){this.pingTimer&&this.options.keepalive&&this.options.reschedulePings&&this.pingTimer.reschedule(1e3*this.options.keepalive)},C.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))},C.prototype._handlePingresp=function(){this.pingResp=!0},C.prototype._handleConnack=function(e){m("_handleConnack");const t=this.options,r=5===t.protocolVersion?e.reasonCode:e.returnCode;if(clearTimeout(this.connackTimer),delete this.topicAliasSend,e.properties){if(e.properties.topicAliasMaximum){if(e.properties.topicAliasMaximum>65535)return void this.emit("error",new Error("topicAliasMaximum from broker is out of range"));e.properties.topicAliasMaximum>0&&(this.topicAliasSend=new a(e.properties.topicAliasMaximum))}e.properties.serverKeepAlive&&t.keepalive&&(t.keepalive=e.properties.serverKeepAlive,this._shiftPingInterval()),e.properties.maximumPacketSize&&(t.properties||(t.properties={}),t.properties.maximumPacketSize=e.properties.maximumPacketSize)}if(0===r)this.reconnecting=!1,this._onConnect(e);else if(r>0){const e=new Error("Connection refused: "+k[r]);e.code=r,this.emit("error",e)}},C.prototype._handleAuth=function(e){const t=this.options.protocolVersion,r=5===t?e.reasonCode:e.returnCode;if(5!==t){const e=new Error("Protocol error: Auth packets are only supported in MQTT 5. Your version:"+t);return e.code=r,void this.emit("error",e)}const i=this;this.handleAuth(e,(function(e,t){if(e)i.emit("error",e);else if(24===r)i.reconnecting=!1,i._sendPacket(t);else{const t=new Error("Connection refused: "+k[r]);e.code=r,i.emit("error",t)}}))},C.prototype.handleAuth=function(e,t){t()},C.prototype._handlePublish=function(e,t){m("_handlePublish: packet %o",e),t=void 0!==t?t:T;let r=e.topic.toString();const i=e.payload,n=e.qos,o=e.messageId,s=this,a=this.options,c=[0,16,128,131,135,144,145,151,153];if(5===this.options.protocolVersion){let t;if(e.properties&&(t=e.properties.topicAlias),void 0!==t)if(0===r.length){if(!(t>0&&t<=65535))return m("_handlePublish :: topic alias out of range. alias: %d",t),void this.emit("error",new Error("Received Topic Alias is out of range"));{const e=this.topicAliasRecv.getTopicByAlias(t);if(!e)return m("_handlePublish :: unregistered topic alias. alias: %d",t),void this.emit("error",new Error("Received unregistered Topic Alias"));r=e,m("_handlePublish :: topic complemented by alias. topic: %s - alias: %d",r,t)}}else{if(!this.topicAliasRecv.put(r,t))return m("_handlePublish :: topic alias out of range. alias: %d",t),void this.emit("error",new Error("Received Topic Alias is out of range"));m("_handlePublish :: registered topic: %s - alias: %d",r,t)}}switch(m("_handlePublish: qos %d",n),n){case 2:a.customHandleAcks(r,i,e,(function(r,i){return r instanceof Error||(i=r,r=null),r?s.emit("error",r):-1===c.indexOf(i)?s.emit("error",new Error("Wrong reason code for pubrec")):void(i?s._sendPacket({cmd:"pubrec",messageId:o,reasonCode:i},t):s.incomingStore.put(e,(function(){s._sendPacket({cmd:"pubrec",messageId:o},t)})))}));break;case 1:a.customHandleAcks(r,i,e,(function(n,a){return n instanceof Error||(a=n,n=null),n?s.emit("error",n):-1===c.indexOf(a)?s.emit("error",new Error("Wrong reason code for puback")):(a||s.emit("message",r,i,e),void s.handleMessage(e,(function(e){if(e)return t&&t(e);s._sendPacket({cmd:"puback",messageId:o,reasonCode:a},t)})))}));break;case 0:this.emit("message",r,i,e),this.handleMessage(e,t);break;default:m("_handlePublish: unknown QoS. 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