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const ConnectorRegistry = require("./ConnectorRegistry")
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const config = require('../config.json')
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const md5 = require('md5')
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class MessageManager {
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constructor() {
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this.messages = {}
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ConnectorRegistry.events.on('msg:status', this.msgStatus.bind(this))
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}
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async New(type, routingParams, payload) {
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if (!routingParams.device) {
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routingParams.device = 'generic'
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}
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const msgObj = {
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type,
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routingParams,
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payload,
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}
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await require("./DeviceRegistry").Devices[ routingParams.device ].formatTX(msgObj)
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// console.log('finished msg obj is ', msgObj)
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this.messages[ msgObj.id ]._routerData = this.messages[ msgObj.id ]._routerData || {}
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const hwDuplexSupport = require("./DeviceRegistry").Devices[ routingParams.device ].duplex || false
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Object.assign(this.messages[ msgObj.id ]._routerData, hwDuplexSupport ? {
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duplexCapable: true,
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recvAck: false,
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readAck: false,
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response: false,
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deliveryLog: {},
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} : {
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duplexCapable: false,
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deliveryLog: {},
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})
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console.log('finished msg obj is ', msgObj)
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return msgObj.id
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}
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async msgStatus(msgId, uuid, status) {
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this.messages[ msgId ]._routerData.deliveryLog[ uuid ] = status
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//this.Deliver(msgId)
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console.log(msgId, uuid, 'status is', status)
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}
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async Deliver(msgId) {
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if (this.messages[ msgId ].type === 'duplex')
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this.DeliverDuplex(msgId)
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else
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this.DeliverOneWay(msgId)
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}
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_clearEventHandlers4MsgID(msgId) {
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ConnectorRegistry.events.removeAllListeners(`msg:status:${ msgId }:delivered`)
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ConnectorRegistry.events.removeAllListeners(`msg:status:${ msgId }:failed`)
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}
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async DeliverDuplex(msgId) {
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const msg = this.messages[ msgId ]
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if (!msg._routerData) throw `No Routerdata attached to msg with id ${ msgId }`
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if (!!msg.locked) throw 'message is locked'
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console.log(msg.routingParams.connectors)
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let deliveryChain = msg.routingParams.connectors.map((connectorDeliveryTry) => {
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const connectorName = connectorDeliveryTry[0],
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connectorArgs = connectorDeliveryTry.slice(1),
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connectorConfig = config.connectors[connectorName]
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//const UUID = md5(JSON.stringify(connectorDeliveryTry))
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const chainPromise = (res) => {
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ConnectorRegistry.events.removeAllListeners(`msg:status:${ msgId }:delivered`)
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ConnectorRegistry.events.removeAllListeners(`msg:status:${ msgId }:failed`)
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setTimeout(() => {
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res([false, 'timeout'])
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}, !!connectorConfig && !!connectorConfig.duplexTimeout ? connectorConfig.duplexTimeout*1e3 : 30e3)
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ConnectorRegistry.events.once(`msg:status:${ msgId }:failed`, () => {
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console.log(`${ msgId } failed, continuing`)
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res([false, 'failed'])
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})
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ConnectorRegistry.events.once(`msg:status:${ msgId }:delivered`, () => {
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console.log(`${ msgId } delivered`)
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res([true, 'delivered'])
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})
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console.log(`Trying to deliver msg#${ msg.id } with ${ JSON.stringify(connectorDeliveryTry) }`)
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console.log(this.messages[ msgId ].deliveryLog)
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ConnectorRegistry.transmit(connectorName, msg, connectorArgs)
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}
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return chainPromise
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})
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new Promise(async (res, rej) => {
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for(let deliveryFunction of deliveryChain) {
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let result = await new Promise(deliveryFunction)
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if (result[0] === true) { res(result); break; }
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// TODO: handle case, when a different verification channel is used for ACK
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}
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rej()
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})
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.then(($) => {
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this._clearEventHandlers4MsgID(msgId)
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console.log('DELIVERY WAS A SUCCESS', $, this.messages[ msgId ]._routerData.deliveryLog)
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})
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.catch(($) => {
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this._clearEventHandlers4MsgID(msgId)
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console.log('DELIVERY WAS A TOTAL FAILURE , FUCK THIS PLANET', $)
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})
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return true
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}
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async DeliverOneWay(msgId) {
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const msg = this.messages[ msgId ]
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if (!msg._routerData) throw `No Routerdata attached to msg with id ${ msgId }`
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if (!!msg.locked) throw 'message is locked'
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//console.log(msg.routingParams.connectors)
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let deliveryChain = msg.routingParams.connectors.map((connectorDeliveryTry) => {
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const connectorName = connectorDeliveryTry[0],
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connectorArgs = connectorDeliveryTry.slice(1),
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connectorConfig = config.connectors[connectorName]
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const chainPromise = (res, rej) => {
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this._clearEventHandlers4MsgID(msgId)
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setTimeout(() => {
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res([false, 'timeout'])
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}, !!connectorConfig && !!connectorConfig.simplexTimeout ? connectorConfig.simplexTimeout*1e3 : 2e3)
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ConnectorRegistry.events.once(`msg:status:${ msgId }:failed`, () => {
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console.log(`${ msgId } failed, continuing`)
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res([false, 'failed'])
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})
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console.log(`Trying to deliver msg#${ msg.id } with ${ JSON.stringify(connectorDeliveryTry) }`)
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//console.log(this.messages[ msgId ].deliveryLog)
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ConnectorRegistry.transmit(connectorName, msg, connectorArgs)
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}
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return chainPromise
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})
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//console.log(deliveryChain)
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new Promise(async (res, rej) => {
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for(let deliveryFunction of deliveryChain) {
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let result = await new Promise(deliveryFunction)
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if (result[0] === true) { res(result); break; }
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}
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rej()
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})
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.then(($) => {
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this._clearEventHandlers4MsgID(msgId)
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console.log('ROUTING WAS A SUCCESS', $, this.messages[ msgId ]._routerData.deliveryLog)
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})
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.catch(($) => {
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this._clearEventHandlers4MsgID(msgId)
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console.log('ROUTING WAS A TOTAL FAILURE , FUCK THIS PLANET', $)
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})
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}
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async BindMsg(msg) {
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this.messages[ msg.id ] = msg
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}
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}
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module.exports = new MessageManager()
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