Comments (12)
pjkundert
commented on July 20, 2024
I'll look into it today; good catch.
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pjkundert
commented on July 20, 2024
Fixed in branch fix-dotted-tags; try it out, if you want:
git clone --branch fix-dotted-tags [email protected]:pjkundert/cpppo.git
cd cpppo
python setup.py install
I'm doing some work on improving the multi-threaded client API unit tests, so I'll be including these improvements, too, before I push another release -- hopefully by later today.
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johanfforsberg
commented on July 20, 2024
Thanks, that was quick! However, I get this:
[johfor@localhost ~]$ python -m cpppo.server.enip.client -a g-b080603-cab03-ctl-plc-01 -vv -p ACC_MISC_PLC01_ALMA01.HLimit
05-04 18:51:49.367 -4883a940 enip.dev DETAIL __init__ Logix, Class ID 0x0002, Instance ID 1 created
05-04 18:51:49.367 -4883a940 enip.dev DETAIL lookup Class 2/0x0002, Instance 1, Attribute None ==> None
05-04 18:51:49.367 -4883a940 enip.dev DETAIL lookup Class 2/0x0002, Instance 0, Attribute None ==> None
05-04 18:51:49.367 -4883a940 enip.dev DETAIL lookup Class 2/0x0002, Instance 0, Attribute None ==> None
05-04 18:51:49.367 -4883a940 enip.dev DETAIL lookup Class 2/0x0002, Instance 0, Attribute None ==> meta-Logix
05-04 18:51:49.372 -4883a940 root DETAIL __init__ Connect: Success in 0.005s/ 5.000s
05-04 18:51:49.372 -4883a940 enip.cli DETAIL main Client Register Rcvd 0.022/ 5.000s
05-04 18:51:49.373 -4883a940 enip.cli DETAIL parse_oper Tag: 'ACC_MISC_PLC01_ALMA01.HLimit' yields Operation: {'path': [{'symbolic': 'ACC_MISC_PLC01_ALMA01.HLimit'}]}
05-04 18:51:49.376 -4883a940 enip.cli DETAIL unconnecte Client Unconnected Send: {
"enip.CIP.send_data.CPF.item[0].type_id": 0,
"enip.CIP.send_data.CPF.item[1].type_id": 178,
"enip.CIP.send_data.CPF.item[1].unconnected_send.path.segment[0].class": 6,
"enip.CIP.send_data.CPF.item[1].unconnected_send.path.segment[1].instance": 1,
"enip.CIP.send_data.CPF.item[1].unconnected_send.priority": 5,
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.path.segment[0].symbolic": "ACC_MISC_PLC01_ALMA01.HLimit",
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.read_tag.elements": 1,
"enip.CIP.send_data.CPF.item[1].unconnected_send.route_path.segment[0].link": 0,
"enip.CIP.send_data.CPF.item[1].unconnected_send.route_path.segment[0].port": 1,
"enip.CIP.send_data.CPF.item[1].unconnected_send.service": 82,
"enip.CIP.send_data.CPF.item[1].unconnected_send.status": 0,
"enip.CIP.send_data.CPF.item[1].unconnected_send.timeout_ticks": 157,
"enip.CIP.send_data.interface": 0,
"enip.CIP.send_data.timeout": 0,
"enip.options": 0,
"enip.sender_context.input": "bytearray(b'0\\x00\\x00\\x00\\x00\\x00\\x00\\x00')",
"enip.session_handle": 5506384,
"enip.status": 0
}
05-04 18:51:49.377 -4883a940 root DETAIL format_pat Formatted ACC_MISC_PLC01_ALMA01.HLimit from: [{'symbolic': 'ACC_MISC_PLC01_ALMA01.HLimit'}]
05-04 18:51:49.377 -4883a940 enip.cli DETAIL issue Sent 0.004/ 5.000s: Single Read Tag ACC_MISC_PLC01_ALMA01.HLimit {
"input": "bytearray(b'L\\x0f\\x91\\x1cACC_MISC_PLC01_ALMA01.HLimit\\x01\\x00')",
"path.segment[0].symbolic": "ACC_MISC_PLC01_ALMA01.HLimit",
"read_tag.elements": 1,
"service": 76
}
05-04 18:51:49.377 -4883a940 enip.cli DETAIL pipeline Issuing 0/ 1; curr: 0 - last: -1 == 1 depth
05-04 18:51:49.395 -4883a940 enip.cli DETAIL collect Rcvd 0.016/ 5.000s {
"enip.CIP.send_data.CPF.count": 2,
"enip.CIP.send_data.CPF.item[0].length": 0,
"enip.CIP.send_data.CPF.item[0].type_id": 0,
"enip.CIP.send_data.CPF.item[1].length": 6,
"enip.CIP.send_data.CPF.item[1].type_id": 178,
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.input": "array('c', '\\xcc\\x00\\x04\\x01\\x00\\x00')",
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.read_tag": true,
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.service": 204,
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.status": 4,
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.status_ext.data": [
0
],
"enip.CIP.send_data.CPF.item[1].unconnected_send.request.status_ext.size": 1,
"enip.CIP.send_data.interface": 0,
"enip.CIP.send_data.timeout": 0,
"enip.command": 111,
"enip.input": "array('c', '\\x00\\x00\\x00\\x00\\x00\\x00\\x02\\x00\\x00\\x00\\x00\\x00\\xb2\\x00\\x06\\x00\\xcc\\x00\\x04\\x01\\x00\\x00')",
"enip.length": 22,
"enip.options": 0,
"enip.sender_context.input": "array('c', '0\\x00\\x00\\x00\\x00\\x00\\x00\\x00')",
"enip.session_handle": 5506384,
"enip.status": 0
}
05-04 18:51:49.395 -4883a940 enip.cli DETAIL pipeline Completed 1/ 1; curr: 0 - last: 0 == 0 depth
05-04 18:51:49.395 -4883a940 enip.cli DETAIL validate Client Single Read Tag ACC_MISC_PLC01_ALMA01.HLimit Request: {
"input": "bytearray(b'L\\x0f\\x91\\x1cACC_MISC_PLC01_ALMA01.HLimit\\x01\\x00')",
"path.segment[0].symbolic": "ACC_MISC_PLC01_ALMA01.HLimit",
"read_tag.elements": 1,
"service": 76
}
05-04 18:51:49.395 -4883a940 enip.cli DETAIL validate Yields Reply: {
"input": "array('c', '\\xcc\\x00\\x04\\x01\\x00\\x00')",
"read_tag": true,
"service": 204,
"status": 4,
"status_ext.data": [
0
],
"status_ext.size": 1
}
05-04 18:51:49.396 -4883a940 root DETAIL format_pat Formatted ACC_MISC_PLC01_ALMA01.HLimit from: [{'symbolic': 'ACC_MISC_PLC01_ALMA01.HLimit'}]
05-04 18:51:49.396 -4883a940 enip.cli WARNING validate Client Single Read Tag ACC_MISC_PLC01_ALMA01.HLimit returned non-zero status: Status 4 [0]
05-04 18:51:49.396 -4883a940 enip.cli NORMAL validate ACC_MISC_PLC01_ALMA01.HLimit == None: 'Status 4 [0]'
ACC_MISC_PLC01_ALMA01.HLimit == None: 'Status 4 [0]'
05-04 18:51:49.396 -4883a940 enip.cli DETAIL pipeline Pipelined 1/ 1; curr: 0 - last: 0 == 0 depth
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pjkundert
commented on July 20, 2024
OK, the "Controller" (server) side is returning a status code "4"... Is this a real Rockwell controller, or are you (also) running a simulated Controller (eg. using something like: python -m cpppo.server.enip --print -v ACC_MISC_PLC01_ALMA01.HLimit=INT)? If so, did you remember to restart the simulated Controller? The fix was on the "Controller" side of the communications...
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johanfforsberg
commented on July 20, 2024
It's a real Rockwell CompactLogix (I think) PLC.
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pjkundert
commented on July 20, 2024
Ahh. OK, there must be some other system by which those tags inside function blocks are addressed... We can support pretty much arbitrarily complex sets of EtherNet/IP CIP "path" elements, so we need to determine which ones to use. I'll take a look online to see if I can discover what they need to see.
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johanfforsberg
commented on July 20, 2024
Thanks for looking into it. If there's any more information I can supply, just ask!
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pjkundert
commented on July 20, 2024
OK, I've pushed another fix to branch fix-dotted-tags. It now (correctly) handles generating multiple 'symbolic' path segments, for any Tags containing 1 (or more) '.' symbols.
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pjkundert
commented on July 20, 2024
Found and fixed some multi-threading issues in both Client API and Controller communications simulator. Aggressive threaded Client tests now pass reliably.
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pjkundert
commented on July 20, 2024
Version 3.6.0 has been pushed, fixing both multi-segment symbolic paths, and some multi-threading issues.
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pjkundert
commented on July 20, 2024
Version 3.6.1 pushed; fixes a problem in the client API's handling of Multiple Service Packets introduced in 3.6.0.
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johanfforsberg
commented on July 20, 2024
Amazing, thanks!
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