DAQmx calls throught gRPC using Python

[lsmarin75]

Hello team I am trying to demostrate our capabilities to use gRPC for Harman one of our Key Acccounts, I have configured my server and client, following the steps provided in the wiki of this repo.
My setup is:
Server Windows 10 and DAQmx 23Q1 (I have tried with DAQmx 24 Q3 as well)
Client Ubunto 24.04 and Python 3.12.3

I have compiled all the dependencies successfully, but when I try to run the client the system fails shown the message "Failed to connect to the server", I have configured the IP and port as described in this repo.

¿Do you have any suggestion ?

Thanks in advance

[bkeryan]

I have compiled all the dependencies successfully...

You don't necessarily have to do this. There are binary releases here; https://github.com/ni/grpc-device/releases

...when I try to run the client the system fails shown the message "Failed to connect to the server"...

What client are you trying to run? If it's one of the example programs, post its name. If not, post a code snippet or try an example program.

...I have configured the IP and port as described in this repo.

How did you configure it? Please post your configuration file. (Feel free to change any hostnames or IP addresses to avoid disclosing them.)

Does the server PC have Windows Defender Firewall or some other firewall enabled? Did you open the port in the firewall configuration?

[lsmarin75]

Hello, I have tried all DAQmx examples shipped and FGEN, DMM, but I always get the same error "failed to connect to the server",
the json configuration file is the one that is uploaded on the this GitHUB repo. no firewall or antivirus activated on my server machine.

[bkeryan]

the json configuration file is the one that is uploaded on the this GitHUB repo.

There are four JSON configuration files:
https://github.com/ni/grpc-device/tree/main/source/config

Which one are you using?

[lsmarin75]

I am using the one called: server_config.json:

"address": "[::1]",
"port": 31763,
"sideband_address": "[::1]",
"sideband_port": 50055,
"security" : {
   "server_cert": "",
   "server_key": "",
   "root_cert": ""
}

}
Running just by execcuting the "ni_grpc_device_server.exe" provided in the wiki.

[bkeryan]

The default configuration file only accepts connections from localhost. This means it only accepts connections from other programs running on the same PC, not from other PCs. It is identical to localhost_config.json.

The other three configuration files enable the server to accept connections from other PCs. The one with "insecure" in the name has no security, and the two with "tls" in the name require additional security configuration documented here: https://github.com/ni/grpc-device/wiki/Server-Security-Support

[lsmarin75]

Got it, thanks a lot!