|Subject:||Re: What is best way to trigger Octave via ethernet?|
|Date:||Thu, 31 Mar 2016 12:59:16 -0400|
|User-agent:||Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0|
On 03/31/2016 10:54 AM, Vision wrote:
There's even a way of doing what you want by calling an external network listener from your .m code:I'm able to send TCP packets from the PLC to a specific IP and port. Is there an option in octave to listen to this specific port and get triggered when data is transferred. I also think that avoiding a loop is better?
system("nc -l localhost 8080")
will sit there waiting until the netcat (nc) program returns, which will happen when you connect to localhost:8080; you can test that by executing
echo test | nc localhost 8080
from another terminal. 'nc -l' opens a socket in a listening mode and does a select() on it; as others have pointed out, you can write an equivalent code in your .oct file.
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