node-opcua

an implementation of a OPC UA stack fully written in javascript and nodejs

Node-opcua is an full OPC-UA stack written in NodeJS.

Why NodeJS ?

Because nodeJs is a great framework to design asynchronous application.

Getting started

installing node-opcua

$ npm install node-opcua

running the demo server

$ git clone https://github.com/node-opcua/node-opcua.git
$ cd node-opcua
$ npm init
$ node bin/simple_server

running the demo client

$ git clone https://github.com/node-opcua/node-opcua.git
$ cd node-opcua
$ npm init
$ node bin/simple_client.js -e "opc.tcp://opcserver.mAutomation.net:4841" -n="ns=1;s=EVR2.system.RTC_SEC"

Tutorials

• create a server

• create a client

API Documentation

• check out the API documentation

Contributing

$ git clone git://github.com/node-opcua/node-opcua.git node-opcua
$ cd node-opcua
$ npm install
$ npm test

Supporting the project

If you like the project, please . This will give us full of motivation to carry on and keep working on the roadmap.

Supported Features

Transport Protocol

Transport	Status	Comment
UA-TCP UA-SC UA Binary	✅	OPC.TCP - Binary
SOAP-HTTP WS-SC UA Binary	🌑	HTTP/HTTPS - Binary
SOAP-HTTP WS-SC UA XML	🌑
SOAP-HTTP WS-SC UA XML-UA Binary	🌑

Security Policies

node-opcua support sign & encrypt security policies

Policy	Status	Comment
None	✅
Basic128Rsa15	✅
Basic256	✅
Basic256Sha256	✅

Authentication	Status	Comment
Anonymous	✅
User Mame Password	✅
X509 Certificate	🌑

client facets

Base Client Behaviour	✅
AddressSpace Lookup	✅
Attribute Read	✅
DataChange Subscription	✅
DataAccess	✅
Discovery	✅
Event Subscription	✅
Method call	✅
Historical Access	🌑
Advanced Type	✅
Programming	🌑
Auditing	🌑
Redundancy	🌑

Service

Discovery Service Set
	FindServers()	✅
	GetEndpoints()	✅
	RegisterServer()	✅
Secure Channel Service Set
	OpenSecureChannel()	✅
	CloseSecureChannel()	✅
Session Service Set
	CreateSession()	✅
	CloseSession()	✅
	ActivateSession()	✅
	Cancel()
View Service Set
	Browse()	✅
	BrowseNext()	✅
	TranslateBrowsePathsToNodeIds()	✅
	RegisterNodes()	✅
	UnregisterNodes()	✅
Attribute Service Set
	Read()	✅
	Write()	✅
	HistoryRead()	🌒
	HistoryUpdate()	🌒
MonitoredItems Service Set
	CreateMonitoredItems()	✅
	ModifyMonitoredItems()	✅
	SetMonitoringMode()	✅
	SetTriggering()	🌑
	DeleteMonitoredItems()	✅
Subscription Service Set
	CreateSubscription()	✅
	ModifySubscription()	✅
	DeleteSubscriptions()	✅
	Publish()	✅
	Republish()	✅
	TransferSubscriptions()	🌑
Node Management Service Set
	AddNodes()	🌑
	AddReferences()	🌑
	DeleteNodes()	🌑
	DeleteReferences()	🌑
Query Service Set
	QueryFirst()	🌑
	QueryNext()	🌑

server profiles

Core Server	✅
Data Access Server	✅
Embedded Server	✅
Nano Embedded Device Server	✅
Micro Embedded Device Server	✅
Standard DataChange Subscription Server
Standard Event Subscription Server
Standard UA Server
Redundancy Transparent Server	🌑
Redundancy Visible Server	🌑
Node Management Server	🌑
Auditing Server	🌑
Complex Type Server

Road-map

This are the item we would like to achieve in the next version of the API.

• improved documentation
• Compliance testing and certification (CTT)
• HA Support : supporting the historizing service
• more tutorials

Feedback

• if you're using node-opcua in one of your project, please feel free to leave a comment and a quick description in the wiki

• if you have a particular wish or found a issue, let us known and create a issue