@aliconnect/sdk/dist/control.js

Aliconnect AIM

/**
  Last modified 2021-09-22 11:41:33 
*/
(function(){const aim=require('./server');const fs=require('fs');const atob=require('atob');const events=require('events');function debug(s){console.log(s);fs.appendFile("logger.log",`${new Date().toISOString()}: ${s}\n`,err=>console.log)}function exit(s){debug(s);process.exit()}const attributes=new events;const types={D:{title:"Digital",BitLength:1},Bool:{title:"Boolean",BitLength:1},SByte:{title:"Signed Byte",BitLength:8,signed:1},UByte:{title:"Unsigned Byte",BitLength:8},SInt:{title:"Signed Integer",BitLength:16,signed:1},UInt:{title:"Unsigned Integer",BitLength:16},SDInt:{title:"Signed Double Integer",BitLength:32,signed:1},UDInt:{title:"Unsigned Double Integer",BitLength:32},Float:{title:"Float",BitLength:32,signed:1,exponent:8},Double:{title:"Double",BitLength:64,signed:1,exponent:11}};const items=[];const timers={};var setItems=[];function attrSet(attribute,name,value){if(attribute[name]!==value){attribute[name]=value;attributes.emit('change',attribute)}}function attrSetValue(attribute,value,path=[]){function has(name){return(name in attribute)&&attribute[name]!==null}if(!isNaN(value)){value=Number(value||0);if(has('MaxEngValue')&&has('MinEngValue')&&has('MaxRawValue')&&has('MinRawValue')){value=Math.round(((Number(attribute.MaxEngValue)-Number(attribute.MinEngValue))/(Number(attribute.MaxRawValue)-Number(attribute.MinRawValue))*(value-Number(attribute.MinRawValue))+Number(attribute.MinEngValue))*100)/ 100}const low=Number(attribute.Low||0);const high=Number(attribute.High||0);if(has('Low')&&has('High')&&high<=low){if(value>=high&&value<=low){value=1}else if(value<=high||value>=low){value=0}}else if(has('Low')){if(value<=low){value=1}else if(value>=low){value=0}}else if(has('High')){if(value>=high){value=1}else if(value<=high){value=0}}if(has('Eq')){value=value==attribute.Eq?1:0}if(has('Ne')){value=value!=attribute.Ne?1:0}curValue=Number(attribute.value||0);const hyst=Number(attribute.Hysteresis||0);if(value<curValue-hyst||value>curValue+hyst){if(attribute.SystemId){const name=path.concat(attribute.name).join('.');attribute.modifiedDT=new Date().toISOString();attrSet(attribute,'value',value);const values=[ attribute.id,name,attribute.value,attribute.parent,attribute.title,attribute.AttributeType];aim.sql.query(`INSERT his.attr(id,name,value,parent,title,AttributeType) VALUES('${values.join("','")}')`);attributes.emit('changeValue',attribute)}(attribute.children||[]).forEach(child=>attrSetValue(child,value,path.concat(attribute.name)))}}}function bitTo(typename,s){var s=s.match(/.{1,16}/g).reverse().join('');var type=types[typename],arr=s.replace(/ /g,'').split(''),sign=type.signed?(Number(arr.shift())?-1:1):1;if(!type.exponent)return parseInt(arr.join(''),2)*sign;var mantissa=0,exponent=parseInt(exp=arr.splice(0,type.exponent).join(''),2)-(Math.pow(2,type.exponent-1)-1);arr.unshift(1);arr.forEach(function(val,i){if(Number(val))mantissa+=Math.pow(2,-i)});return sign*mantissa*Math.pow(2,exponent)};function getSqlParams(object){var params=[];for(var property in object)params.push('@'+property+"='"+String(object[property]).replace(/'/g,"''")+"'");return params.join(',')};function initControlEquipment(items){function initAttributes(item){const attributes=[];let parent;let parentItem;(function addChildren(item,path){if(item){attributes.push(item);(item.children||[]).forEach(child=>addChildren(child,path))}})(item,[]);return attributes}const modbusDevices=items.filter(item=>item.Device==='MODBUS'&&item.IPAddress);const snmpDevices=items.filter(item=>item.Device==='SNMP'&&item.IPAddress);if(modbusDevices){const net=require('net');const jsmodbus=require('jsmodbus');modbusDevices.forEach((item,i)=>{let readAddress=item.ReadAddress||0;const devices=item.children;let readLength=devices.length;const attributes=initAttributes(item);console.log('MODBUS',item.IPAddress);function setSate(state){attributes.forEach(attr=>attrSet(attr,'state',state))}const socket=new net.Socket();const client=new jsmodbus.client.TCP(socket,i+1);function connect(){setSate('connecting');socket.connect({host:item.IPAddress,port:item.Port||502})}socket.on('connect',e=>{setSate('connected');(function readData(){client.readInputRegisters(readAddress,readLength).then(resp=>{var readArray=resp.response._body._valuesAsArray;devices.forEach((device,i)=>{if(device&&device.children){const readValue=readArray[i];const bitString=('0000000000000000'+readValue.toString(2)).substr(-16);const bitArray=bitString.split('').reverse();device.children.forEach((child,i)=>{if(child&&child.type){switch(child.type){case'UInt':return attrSetValue(child,readValue);case'Bool':return attrSetValue(child,bitArray[i])}}})}});setTimeout(readData,item.PollInterval)}).catch(err=>{attributes.forEach(attr=>attrSet(attr,'state','error'));setTimeout(connect,2000)})})()}).on('disconnect',e=>{setSate('disconnect');console.error('disconnect')}).on('error',e=>{console.error('error',item.parent,item.name,item.id);setSate('error');setTimeout(connect,5000)});connect()})}if(snmpDevices){function strToOid(oid){oid=oid.split(".");oid.forEach(function(nr,i){oid[i]=Number(nr)});return oid};const snmpNative=require('snmp-native');snmpDevices.forEach(item=>{item.PollInterval=400;item.children=Array.from(item.children);const session=new snmpNative.Session({host:item.IPAddress,community:item.Community||'public'});const children=item.children.filter(Boolean);const oids=children.map(child=>strToOid(child.oid));(function read(){session.getAll({oids:oids},(err,varbinds)=>{if(err){console.error(err);children.forEach(child=>attrSet(child,'state','error'));setTimeout(()=>{children.forEach(child=>attrSet(child,'state','connecting'));read()},5000);return}children.forEach((child,i)=>attrSetValue(child,varbinds[i]&&varbinds[i].value));setTimeout(read,item.PollInterval)})})()})}}function ControlApplication(config){console.log('nodeApplication');aim.sql.connect(config.dbs).then(a=>{console.log('SQL ONN');aim.sql.query(`IF OBJECT_ID('his.attr') IS NULL
        BEGIN
        CREATE TABLE [his].[attr](
          [ts] [timestamp] NULL,
          [id] [bigint] NULL,
          [name] [varchar](50) NULL,
          [value] [varchar](max) NULL,
          [modifiedDateTime] [datetime] NULL CONSTRAINT [DF_attr_modifiedDateTime]  DEFAULT (getdate())
        ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
        END`);const systemTimeoutMs=2000;systemAttributes={MEMORY_USED_SPACE(item){const osUtils=require('os-utils');(function memoryUsedSpace(){attrSetValue(item,Math.round(100-osUtils.freememPercentage()*100));setTimeout(memoryUsedSpace,systemTimeoutMs)})()},HDD_USED_SPACE(item){const checkDiskSpace=require('check-disk-space');(function hddUsedSpace(){checkDiskSpace('C:/').then(diskSpace=>attrSetValue(item,Math.round((diskSpace.size-diskSpace.free)/ diskSpace.size*100)));setTimeout(hddUsedSpace,systemTimeoutMs)})()},TIME_SYNC(item){const nodeCmd=require('node-cmd');(function timeSync(){nodeCmd.get('w32tm /query /status',(err,data,stderr)=>{if(!err){attrSet(item,'state','connected');const [s,value]=data.match(/Leap Indicator: (\d)/)||[];return attrSetValue(item,value==='0'?0:1)}else{attrSet(item,'state','disconnected');console.error(err)}attrSetValue(item,1)});setTimeout(timeSync,systemTimeoutMs)})()},WATCHDOG_ACSM(item){let acsmCount=0;(function watchdogAcsm(){attrSetValue(item,acsmCount=acsmCount>=100?1:acsmCount+1);setTimeout(watchdogAcsm,systemTimeoutMs)})()}};Array.from(config.items).forEach(function addChildren(item){if(item){if(systemAttributes[item.name]){systemAttributes[item.name](item)}if(item.Enumeration){item.enum=item.Enumeration.replace(/, /g,',').split(',')}items.push(item);(item.children||[]).forEach(child=>addChildren(child))}});initControlEquipment(items);const server=new aim.Server(config);attributes.on('change',attr=>server.clients.send({attr:attr}))}).catch(console.error)}function Request(url){this.url=new URL(url,'https://aliconnect.nl');this.options={method:'get',host:this.url.hostname,path:this.url.pathname+'?'+this.url.searchParams.toString(),headers:{}}}Object.defineProperties(Request.prototype,{headers:{value(selector,context){if(typeof selector==='object'){Object.assign(this.options.headers,selector)}else{this.options.headers[selector]=context}return this}},end:{value(method,data){return new Promise((resolve,fail)=>{const protocol=this.url.protocol.replace(/:/,'');const http=require(protocol);if(data){this.headers('Content-Length',data.length)}const xhr=http.request(this.options,e=>{let responseText='';e.on('data',data=>{responseText+=data}).on('end',()=>{e.status=e.statusCode;e.statusText=e.statusMessage;e.target=xhr;e.target.response=e.target.responseText=responseText;try{if(e.headers['content-type'].includes('application/json')){e.target.response=JSON.parse(responseText)}}catch(err){console.debug('ERROR JSON',err,responseText.substr(0,1000))}e.body=e.target.response;resolve(e)})}).on('error',e=>{fail(e)});if(data){xhr.write(data)}xhr.startTime=new Date();xhr.end()})}},get:{value(){return this.end(this.options.method='get')}},post:{value(data){return this.end(this.options.method='post',this.data=data)}}});Object.defineProperties(aim,{ControlApplication:{value:ControlApplication},attributes:{value:attributes}});module.exports=aim})()