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Posted to issues@plc4x.apache.org by "tvwy (via GitHub)" <gi...@apache.org> on 2024/11/09 14:19:18 UTC
[I] [Feature Request]: Support OPC UA options
tvwy opened a new issue, #1881:
URL: https://github.com/apache/plc4x/issues/1881
### What would you like to happen?
I wanted to try out the OPC UA driver, but I'm unsure if I'm making a major mistake or if parsing string options simply hasn't been implemented yet. Following the documentation it seems to be implemented at least: https://plc4x.apache.org/users/protocols/opcua.html
```
package main
import (
"fmt"
plc4go "github.com/apache/plc4x/plc4go/pkg/api"
"github.com/apache/plc4x/plc4go/pkg/api/drivers"
"github.com/apache/plc4x/plc4go/pkg/api/transports"
)
func main() {
// Create a new instance of the PlcDriverManager
driverManager := plc4go.NewPlcDriverManager()
// Register the Transports
transports.RegisterTcpTransport(driverManager)
transports.RegisterUdpTransport(driverManager)
// Register the Drivers
drivers.RegisterOpcuaDriver(driverManager)
// Set connection options, including username and password
connectionRequestChannel := driverManager.GetConnection("opcua:tcp://127.0.0.1:7894/UA/Plant?username=user1&password=password1")
// Wait for the connection to be established
connectionResult := <-connectionRequestChannel
// Check if something went wrong
if connectionResult.GetErr() != nil {
fmt.Printf("Error connecting to PLC: %s", connectionResult.GetErr().Error())
return
}
connection := connectionResult.GetConnection()
// Make sure the connection is closed at the end
defer connection.Close()
```
resulting in:
```
go run main
{"level":"trace","time":"2024-11-09T14:58:33+01:00","message":"Creating plc driver manager"}
{"level":"debug","transportName":"TCP/IP Socket Transport","time":"2024-11-09T14:58:34+01:00","message":"Registering transport"}
{"level":"info","transportName":"TCP/IP Socket Transport","time":"2024-11-09T14:58:34+01:00","message":"Transport for transportName registered"}
{"level":"debug","transportName":"UDP Datagram Transport","time":"2024-11-09T14:58:34+01:00","message":"Registering transport"}
{"level":"info","transportName":"UDP Datagram Transport","time":"2024-11-09T14:58:34+01:00","message":"Transport for transportName registered"}
{"level":"debug","protocolName":"Opcua","time":"2024-11-09T14:58:34+01:00","message":"Registering driver"}
{"level":"info","protocolName":"Opcua","time":"2024-11-09T14:58:34+01:00","message":"Driver for protocolName registered"}
{"level":"debug","transportName":"TCP/IP Socket Transport","time":"2024-11-09T14:58:34+01:00","message":"Registering transport"}
{"level":"warn","transportName":"TCP/IP Socket Transport","time":"2024-11-09T14:58:34+01:00","message":"Transport already registered"}
{"level":"debug","connectionString":"opcua:tcp://127.0.0.1:7894/UA/Plant?username=user1&password=password1","time":"2024-11-09T14:58:34+01:00","message":"Getting connection for connectionString"}
{"level":"debug","connectionUrl":"opcua:tcp://127.0.0.1:7894/UA/Plant?username=user1&password=password1","time":"2024-11-09T14:58:34+01:00","message":"parsed connection URL"}
{"level":"debug","connectionUrl":"opcua:tcp://127.0.0.1:7894/UA/Plant?username=user1&password=password1","protocolName":"Opcua","time":"2024-11-09T14:58:34+01:00","message":"got driver protocolName"}
{"level":"trace","time":"2024-11-09T14:58:34+01:00","message":"we handling a opaque connectionUrl"}
{"level":"debug","transportName":"tcp","transportConnectionString":"127.0.0.1:7894","time":"2024-11-09T14:58:34+01:00","message":"got a transport"}
{"level":"debug","transportUrl":"tcp://127.0.0.1:7894/UA/Plant","time":"2024-11-09T14:58:34+01:00","message":"Assembled transport url"}
{"level":"debug","transportUrl":"tcp://127.0.0.1:7894/UA/Plant","numberTransports":2,"numberDriverOptions":2,"time":"2024-11-09T14:58:34+01:00","message":"Get connection for transport url"}
**Error connecting to PLC: can't parse options: string not yet supported**
```
Source of behaviour is the ParseFromOptions function in Configuration.go of opcua not having implemented a string case.
It's a Feature Request because I'm not sure.
### Programming Languages
- [ ] plc4j
- [X] plc4go
- [ ] plc4c
- [ ] plc4net
### Protocols
- [ ] AB-Ethernet
- [ ] ADS /AMS
- [ ] BACnet/IP
- [ ] CANopen
- [ ] DeltaV
- [ ] DF1
- [ ] EtherNet/IP
- [ ] Firmata
- [ ] KNXnet/IP
- [ ] Modbus
- [X] OPC-UA
- [ ] S7
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Re: [I] [Feature Request]: Support OPC UA options
Posted by "tvwy (via GitHub)" <gi...@apache.org>.
tvwy commented on issue #1881:
URL: https://github.com/apache/plc4x/issues/1881#issuecomment-2468639542
Alright. Thanks for the quick reply!
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Re: [I] [Feature Request]: Support OPC UA options
Posted by "tvwy (via GitHub)" <gi...@apache.org>.
tvwy closed issue #1881: [Feature Request]: Support OPC UA options
URL: https://github.com/apache/plc4x/issues/1881
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Re: [I] [Feature Request]: Support OPC UA options
Posted by "splatch (via GitHub)" <gi...@apache.org>.
splatch commented on issue #1881:
URL: https://github.com/apache/plc4x/issues/1881#issuecomment-2468599122
All I can say is - golang driver for opcua is far behind java version.
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