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.
$ npm install node-opcua
$ git clone https://github.com/node-opcua/node-opcua.git
$ cd node-opcua
$ npm init
$ node bin/simple_server
$ 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"
- check out the API documentation
$ git clone git://github.com/node-opcua/node-opcua.git node-opcua
$ cd node-opcua
$ npm install
$ npm test
If you like the project, please 
| 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 | 🌑 |
node-opcua support sign & encrypt security policies
| Policy | Status | Comment |
|---|---|---|
| None | ✅ | |
| Basic128Rsa15 | ✅ | |
| Basic256 | ✅ | |
| Basic256Sha256 | ✅ |
| Authentication | Status | Comment |
|---|---|---|
| Anonymous | ✅ | |
| User Mame Password | ✅ | |
| X509 Certificate | 🌑 |
| Base Client Behaviour | ✅ |
| AddressSpace Lookup | ✅ |
| Attribute Read | ✅ |
| DataChange Subscription | ✅ |
| DataAccess | ✅ |
| Discovery | ✅ |
| Event Subscription | ✅ |
| Method call | ✅ |
| Historical Access | 🌑 |
| Advanced Type | ✅ |
| Programming | 🌑 |
| Auditing | 🌑 |
| Redundancy | 🌑 |
| 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() | 🌑 |
| 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 |
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
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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
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if you have a particular wish or found a issue, let us known and create a issue