ROLLOUT 1 · XKNX/xknx
xknx__xknx-1227
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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`. Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run. ## Critical Environment & Grader Rules 1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`. 2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files. 3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`. 4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks: `pytest path/to/test_file.py -k pattern -q --tb=short --no-header` If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off. 5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission. ## Execution Protocol ### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls) - The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories. - Run a single compound `run_command` with `grep -rn --include="*.py"` to locate: (a) the exact symbols, error strings, or functions from the problem description, (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and (c) the closest existing unit test files under `tests/`. ### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls) - Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests. - Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types. ### Phase 3 — Reproduce Bug in One Call (1 tool call) - Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts. ### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls) - Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`. - Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests. - **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`. ### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls) - Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`. - Run `git status --short && git diff` via `run_command`. Confirm: - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately), - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched), - Minimal, clean diff with valid imports and indentation. - Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 9,966 characters
You are evaluating a software engineering task for repository XKNX/xknx.
Problem Statement:
2.6.0 filters telegrams from KNX gateway/tunnel device itself
**Description of problem:**
Since xknx 2.6.0, xknx no longer recieves/processes telegrams originating from the KNX gateway itself.
A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)
Other telegrams from the KNX/TP bus are received fine through the gateway.
- [X] using xknx standalone
- [X] using Home-Assistant knx integration
**Version information:**
- xknx / Home-Assistant release with the issue: xknx 2.6.0
- last working xknx / Home-Assistant release (if known): xknx 2.5.0
**KNX installation:**
Using a SE SpaceLYnk gateway, with a modbus based power meter connected. The gateway exposes the modbus data via KNX address 1/1/4 as a 4byte_float.
Other devices connected to the gateway over KNX/TP are unaffected by the update to 2.6.0 and still work.
Using https://github.com/XKNX/xknx/blob/main/examples/example_telegram_monitor.py to compare the versons.
With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't.
Adding debug logging to the same script shows the frames being recieved, but ignored on 2.6.0:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This change seems to be related to this commit:
https://github.com/XKNX/xknx/commit/996697ae8cce878aadfcbd95833b1fde3367008a
Is there a reason for these frames now being ignored? Is it possible to roll back this change?
## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns
## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.
## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./LICENSE
./MANIFEST.in
./README.md
./changelog.md
./docs
./examples
./pyproject.toml
./requirements
./requirements/production.txt
./requirements/testing.txt
./script
./script/run-in-env.sh
./script/sensor_table_generator.py
./setup.cfg
./setup.py
./test
./test/__init__.py
./test/cemi_tests
./test/cemi_tests/cemi_frame_test.py
./test/cemi_tests/cemi_handler_test.py
./test/conftest.py
./test/core_tests
./test/core_tests/connection_manager_test.py
./test/core_tests/exceptions_test.py
./test/core_tests/state_updater_test.py
./test/core_tests/task_registry_test.py
./test/core_tests/telegram_queue_test.py
./test/core_tests/value_reader_test.py
./test/devices_tests
./test/devices_tests/binary_sensor_test.py
./test/devices_tests/climate_test.py
./test/devices_tests/cover_test.py
./test/devices_tests/datetime_test.py
./test/devices_tests/device_test.py
./test/devices_tests/devices_test.py
./test/devices_tests/expose_sensor_test.py
./test/devices_tests/fan_test.py
./test/devices_tests/light_test.py
./test/devices_tests/notification_test.py
./test/devices_tests/numeric_value_test.py
./test/devices_tests/raw_value_test.py
./test/devices_tests/scene_test.py
./test/devices_tests/sensor_expose_loop_test.py
./test/devices_tests/sensor_test.py
./test/devices_tests/switch_test.py
./test/devices_tests/travelcalculator_test.py
./test/devices_tests/weather_test.py
./test/dpt_tests
./test/dpt_tests/dpt_1byte_signed_test.py
./test/dpt_tests/dpt_1byte_uint_test.py
./test/dpt_tests/dpt_2byte_signed_test.py
./test/dpt_tests/dpt_2byte_uint_test.py
./test/dpt_tests/dpt_4bit_control_test.py
./test/dpt_tests/dpt_4byte_int_test.py
./test/dpt_tests/dpt_color_test.py
./test/dpt_tests/dpt_date_test.py
./test/dpt_tests/dpt_datetime_test.py
./test/dpt_tests/dpt_float_test.py
./test/dpt_tests/dpt_hvac_mode_test.py
./test/dpt_tests/dpt_lookup_test.py
./test/dpt_tests/dpt_scaling_test.py
./test/dpt_tests/dpt_scene_number_test.py
./test/dpt_tests/dpt_string_test.py
./test/dpt_tests/dpt_test.py
./test/dpt_tests/dpt_time_test.py
./test/io_tests
./test/io_tests/connection_test.py
./test/io_tests/gateway_scanner_test.py
./test/io_tests/knxip_interface_test.py
./test/io_tests/request_response_tests
./test/io_tests/resources
./test/io_tests/routing_test.py
./test/io_tests/secure_group_test.py
./test/io_tests/secure_session_test.py
./test/io_tests/self_description_test.py
./test/io_tests/transport_tests
./test/io_tests/tunnel_test.py
./test/knxip_tests
./test/knxip_tests/body_test.py
./test/knxip_tests/connect_request_test.py
./test/knxip_tests/connect_response_test.py
./test/knxip_tests/connectionstate_request_test.py
./test/knxip_tests/connectionstate_response_test.py
./test/knxip_tests/description_request_test.py
./test/knxip_tests/description_response_test.py
./test/knxip_tests/device_configuration_ack_test.py
./test/knxip_tests/device_configuration_request_test.py
./test/knxip_tests/dib_test.py
./test/knxip_tests/disconnect_request_test.py
./test/knxip_tests/disconnect_response_test.py
./test/knxip_tests/header_test.py
./test/knxip_tests/hpai_test.py
./test/knxip_tests/knxip_test.py
./test/knxip_tests/routing_busy_test.py
./test/knxip_tests/routing_indication_test.py
./test/knxip_tests/routing_lost_message_test.py
./test/knxip_tests/search_request_extended_test.py
./test/knxip_tests/search_request_test.py
./test/knxip_tests/search_response_extended_test.py
./test/knxip_tests/search_response_test.py
./test/knxip_tests/secure_wrapper_test.py
./test/knxip_tests/session_authenticate_test.py
./test/knxip_tests/session_request_test.py
./test/knxip_tests/session_response_test.py
./test/knxip_tests/session_status_test.py
./test/knxip_tests/srp_test.py
./test/knxip_tests/timer_notify_test.py
./test/knxip_tests/tunnelling_ack_test.py
./test/knxip_tests/tunnelling_request_test.py
./test/management_tests
./test/management_tests/management_test.py
./test/management_tests/procedures_test.py
./test/remote_value_tests
./test/remote_value_tests/remote_value_1count_test.py
./test/remote_value_tests/remote_value_climate_mode_test.py
./test/remote_value_tests/remote_value_color_rgb_test.py
./test/remote_value_tests/remote_value_color_rgbw_test.py
./test/remote_value_tests/remote_value_color_xyy_test.py
./test/remote_value_tests/remote_value_control_test.py
./test/remote_value_tests/remote_value_datetime_test.py
./test/remote_value_tests/remote_value_dpt_2_byte_unsigned_test.py
./test/remote_value_tests/remote_value_dpt_value_1_ucount_test.py
./test/remote_value_tests/remote_value_raw_test.py
./test/remote_value_tests/remote_value_scaling_test.py
./test/remote_value_tests/remote_value_scene_number_test.py
./test/remote_value_tests/remote_value_sensor_test.py
./test/remote_value_tests/remote_value_setepoint_shift_test.py
./test/remote_value_tests/remote_value_step_test.py
./test/remote_value_tests/remote_value_string_test.py
./test/remote_value_tests/remote_value_switch_test.py
./test/remote_value_tests/remote_value_temp_test.py
./test/remote_value_tests/remote_value_test.py
./test/remote_value_tests/remote_value_updown_test.py
./test/secure_tests
./test/secure_tests/data_secure_test.py
./test/secure_tests/ip_secure_test.py
./test/secure_tests/keyring_test.py
./test/secure_tests/resources
./test/secure_tests/util_test.py
./test/str_test.py
./test/telegram_tests
./test/telegram_tests/address_filter_test.py
./test/telegram_tests/address_test.py
./test/telegram_tests/apci_test.py
./test/telegram_tests/telegram_test.py
./test/telegram_tests/tpci_test.py
./test/tools_tests
./test/tools_tests/tools_test.py
./test/xknx_test.py
./tox.ini
./xknx
./xknx/__init__.py
./xknx/__version__.py
./xknx/cemi
./xknx/cemi/__init__.py
./xknx/cemi/cemi_frame.py
./xknx/cemi/cemi_handler.py
./xknx/cemi/const.py
./xknx/core
./xknx/core/__init__.py
./xknx/core/connection_manager.py
./xknx/core/connection_state.py
./xknx/core/state_updater.py
./xknx/core/task_registry.py
./xknx/core/telegram_queue.py
./xknx/core/value_reader.py
./xknx/devices
./xknx/devices/__init__.py
./xknx/devices/binary_sensor.py
./xknx/devices/climate.py
./xknx/devices/climate_mode.py
./xknx/devices/cover.py
./xknx/devices/datetime.py
./xknx/devices/device.py
./xknx/devices/devices.py
./xknx/devices/expose_sensor.py
./xknx/devices/fan.py
./xknx/devices/light.py
./xknx/devices/notification.py
./xknx/devices/numeric_value.py
./xknx/devices/raw_value.py
./xknx/devices/scene.py
./xknx/devices/sensor.py
./xknx/devices/switch.py
./xknx/devices/travelcalculator.py
./xknx/devices/weather.py
./xknx/dpt
./xknx/dpt/__init__.py
./xknx/dpt/dpt.py
./xknx/exceptions
./xknx/io
./xknx/knxip
./xknx/management
./xknx/profile
./xknx/py.typed
./xknx/remote_value
./xknx/secure
./xknx/telegram
./xknx/tools
./xknx/xknx.py
```
Turn 1at 69 s254 tokens out5,660 prompt tokens
The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway itself are ignored.
The problem description points to a specific log message:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This suggests that there is a check in `xknx.cemi` that ignores "own" CEMIs.
The provided commit link (which I cannot access) is mentioned as the cause.
Let's search for the string "Ignoring own CEMI" in the codebase.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"Ignoring own CEMI\" ."
}Result of run_command 151 characters
{
"status": "ok",
"stdout": "./xknx/cemi/cemi_handler.py:126: logger.debug(\"Ignoring own CEMI: %s\", cemi)\n",
"stderr": "",
"exit_code": 0
}Generated tokens 254 tokens · stopped: STOP
<|channel>thought
The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway itself are ignored.
The problem description points to a specific log message:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This suggests that there is a check in `xknx.cemi` that ignores "own" CEMIs.
The provided commit link (which I cannot access) is mentioned as the cause.
Let's search for the string "Ignoring own CEMI" in the codebase.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "Ignoring own CEMI" .<|"|>}<tool_call|><|tool_response>
Turn 2at 73 s81 tokens out5,989 prompt tokens
The issue is in `xknx/cemi/cemi_handler.py` at line 126. Let's examine the code around that line.
TOOL CALL · read_file
{
"end_line": 140,
"filepath": "xknx/cemi/cemi_handler.py",
"start_line": 110
}Result of read_file 1,544 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"content": "\n if cemi.code is CEMIMessageCode.L_DATA_CON:\n # L_DATA_CON confirmation frame signals ready to send next telegram\n self._l_data_confirmation_event.set()\n logger.debug(\"Incoming CEMI confirmation: %s\", cemi)\n return\n if cemi.code is CEMIMessageCode.L_DATA_REQ:\n # L_DATA_REQ frames should only be outgoing.\n logger.warning(\"Received unexpected L_DATA_REQ frame: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n logger.debug(\"Incoming CEMI: %s\", cemi)\n\n if self.data_secure is not None:\n try:\n cemi.data = self.data_secure.received_cemi(cemi_data=cemi.data)\n except DataSecureError as err:\n data_secure_logger.log(\n err.log_level,\n \"Could not decrypt CEMI frame: %s\",\n err,\n )\n return",
"start_line": 110,
"end_line": 140,
"total_lines": 156,
"is_truncated": false
}Generated tokens 81 tokens · stopped: STOP
The issue is in `xknx/cemi/cemi_handler.py` at line 126.
Let's examine the code around that line.<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>,start_line:110,end_line:140}<tool_call|><|tool_response>
Turn 3at 150 s1,085 tokens out6,536 prompt tokens
The code says:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
It's ignoring `L_DATA_IND` frames where the source address is the same as `self.xknx.current_address`.
In the user's case, the gateway address is `1.1.255`, and it seems the `xknx` instance is configured with this address, or is somehow matching it.
Wait, if the gateway is the source of the telegram, and the user configured `xknx` to use that same address as its own address, then it will be filtered out.
Usually, the address of the IP interface is the same as the gateway address.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
And: "DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" ...>"
This means `self.xknx.current_address` is `IndividualAddress("1.1.255")`.
I should check if this behavior is always desired. The comment says "may occur form routing".
If the user *wants* to receive telegrams sent by the gateway itself, this is an issue.
But wait, if the system is configured with address `1.1.255`, and it receives a telegram FROM `1.1.255`, it thinks it sent it itself and ignores it to avoid loops.
However, if the gateway is acting as a producer (e.g. for Modbus devices), then it is legitimately sending telegrams.
The user asks: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?"
If I look at the code, it's a simple check. To "roll back" this change, I would remove this check.
But it might be important for some installations to avoid loops.
Wait, if I remove it, then any telegram sent by the client that comes back to the client (due to routing/loopback) will be processed as a new incoming telegram. This could cause loops in the application logic (e.g. if a device updates its state when it receives a telegram, and then sends one, which then comes back).
However, if the gateway *is* the device that generates these telegrams, then they are not "own CEMIs" in the sense of "the client sent this", but "the gateway sent this". But the client is using the gateway's address.
Let's see if there's a way to make this configurable, or if it should just be removed if the goal is to support gateways that send their own telegrams.
Actually, the problem description says "Since xknx 2.6.0, xknx no longer recieves/processes telegrams originating from the KNX gateway itself."
If I remove the `if` block:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
```
Then it will process these telegrams.
Is there any case where this IS needed?
KNX IP interfaces can have loopback enabled. If the client sends a telegram and the interface reflects it back, the client will receive it as an `L_DATA_IND` from itself.
If the user's gateway is sending its own telegrams, they are coming from the same address.
Wait, the user says "Adding debug logging to the same script shows the frames being recieved, but ignored on 2.6.0".
If I remove this check, I should be careful. But the user is explicitly asking to roll back this change.
Let's look for tests that might cover this.
`test/cemi_tests/cemi_handler_test.py` seems relevant.
TOOL CALL · read_file
{
"filepath": "test/cemi_tests/cemi_handler_test.py"
}Result of read_file 5,497 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": "\"\"\"Test for CEMIHandler.\"\"\"\nimport asyncio\nfrom unittest.mock import AsyncMock, patch\n\nimport pytest\n\nfrom xknx import XKNX\nfrom xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode\nfrom xknx.dpt import DPTArray\nfrom xknx.exceptions import ConfirmationError\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci\n\n\nasync def test_wait_for_l2_confirmation(time_travel):\n \"\"\"Test waiting for L_DATA.con before sending another L_DATA.req.\"\"\"\n xknx = XKNX()\n xknx.knxip_interface = AsyncMock()\n\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n )\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_REQ,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n test_cemi_confirmation = CEMIFrame(\n code=CEMIMessageCode.L_DATA_CON,\n data=CEMILData.init_from_telegram(\n test_telegram,\n ),\n )\n task = asyncio.create_task(xknx.cemi_handler.send_telegram(test_telegram))\n await time_travel(0)\n xknx.knxip_interface.send_cemi.assert_called_once_with(test_cemi)\n assert xknx.connection_manager.cemi_count_outgoing == 0\n\n assert not task.done()\n xknx.cemi_handler.handle_cemi_frame(test_cemi_confirmation)\n await time_travel(0)\n assert task.done()\n await task\n assert xknx.connection_manager.cemi_count_outgoing == 1\n assert xknx.connection_manager.cemi_count_outgoing_error == 0\n\n # no L_DATA.con received -> raise ConfirmationError\n xknx.knxip_interface.send_cemi.reset_mock()\n task = asyncio.create_task(xknx.cemi_handler.send_telegram(test_telegram))\n await time_travel(0)\n xknx.knxip_interface.send_cemi.assert_called_once_with(test_cemi)\n with pytest.raises(ConfirmationError):\n await time_travel(3)\n assert task.done()\n await task\n assert xknx.connection_manager.cemi_count_outgoing == 1\n assert xknx.connection_manager.cemi_count_outgoing_error == 1\n\n\ndef test_incoming_cemi():\n \"\"\"Test incoming CEMI.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.1\")\n\n # TDataGroup Telegram\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n )\n test_group_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_group_cemi)\n assert xknx.telegrams.qsize() == 1\n\n # L_DATA_CON and L_DATA_REQ should not be forwarded to the telegram queue or management\n with patch.object(xknx.cemi_handler, \"telegram_received\") as mock_telegram_received:\n test_incoming_l_data_con = CEMIFrame(\n code=CEMIMessageCode.L_DATA_CON,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_incoming_l_data_con)\n mock_telegram_received.assert_not_called()\n\n test_incoming_l_data_req = CEMIFrame(\n code=CEMIMessageCode.L_DATA_REQ,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_incoming_l_data_req)\n mock_telegram_received.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming == 1\n\n\n@pytest.mark.parametrize(\n \"telegram\",\n [\n Telegram(\n destination_address=GroupAddress(0),\n tpci=tpci.TDataBroadcast(),\n ),\n Telegram(\n destination_address=IndividualAddress(\"1.1.1\"),\n tpci=tpci.TConnect(),\n ),\n Telegram(\n destination_address=IndividualAddress(\"1.1.1\"),\n tpci=tpci.TDataIndividual(),\n ),\n ],\n)\ndef test_incoming_management_telegram(telegram):\n \"\"\"Test incoming management CEMI.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.1\")\n\n with patch.object(xknx.management, \"process\") as mock_management_process:\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n mock_management_process.assert_called_once()\n assert xknx.telegrams.qsize() == 0\n assert xknx.connection_manager.cemi_count_incoming == 1\n\n\n@pytest.mark.parametrize(\n \"raw\",\n [\n # <CouldNotParseCEMI description=\"CEMI too small. Length: 9; CEMI: 2900b06010fa10ff00\" />\n # communication_channel_id: 0x02 sequence_counter: 0x81\n bytes.fromhex(\"2900b06010fa10ff00\"),\n ],\n)\ndef test_invalid_cemi(raw):\n \"\"\"Test incoming invalid CEMI Frames.\"\"\"\n xknx = XKNX()\n\n with patch(\"logging.Logger.warning\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"\n ) as mock_handle_cemi_frame:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_info.assert_called_once()\n mock_handle_cemi_frame.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1\n\n\n@pytest.mark.parametrize(\n \"raw\",\n [",
"start_line": 1,
"end_line": 150,
"total_lines": 182,
"is_truncated": true
}Generated tokens 1,085 tokens · stopped: STOP
The code says:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
It's ignoring `L_DATA_IND` frames where the source address is the same as `self.xknx.current_address`.
In the user's case, the gateway address is `1.1.255`, and it seems the `xknx` instance is configured with this address, or is somehow matching it.
Wait, if the gateway is the source of the telegram, and the user configured `xknx` to use that same address as its own address, then it will be filtered out.
Usually, the address of the IP interface is the same as the gateway address.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
And: "DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" ...>"
This means `self.xknx.current_address` is `IndividualAddress("1.1.255")`.
I should check if this behavior is always desired. The comment says "may occur form routing".
If the user *wants* to receive telegrams sent by the gateway itself, this is an issue.
But wait, if the system is configured with address `1.1.255`, and it receives a telegram FROM `1.1.255`, it thinks it sent it itself and ignores it to avoid loops.
However, if the gateway is acting as a producer (e.g. for Modbus devices), then it is legitimately sending telegrams.
The user asks: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?"
If I look at the code, it's a simple check. To "roll back" this change, I would remove this check.
But it might be important for some installations to avoid loops.
Wait, if I remove it, then any telegram sent by the client that comes back to the client (due to routing/loopback) will be processed as a new incoming telegram. This could cause loops in the application logic (e.g. if a device updates its state when it receives a telegram, and then sends one, which then comes back).
However, if the gateway *is* the device that generates these telegrams, then they are not "own CEMIs" in the sense of "the client sent this", but "the gateway sent this". But the client is using the gateway's address.
Let's see if there's a way to make this configurable, or if it should just be removed if the goal is to support gateways that send their own telegrams.
Actually, the problem description says "Since xknx 2.6.0, xknx no longer recieves/processes telegrams originating from the KNX gateway itself."
If I remove the `if` block:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
```
Then it will process these telegrams.
Is there any case where this IS needed?
KNX IP interfaces can have loopback enabled. If the client sends a telegram and the interface reflects it back, the client will receive it as an `L_DATA_IND` from itself.
If the user's gateway is sending its own telegrams, they are coming from the same address.
Wait, the user says "Adding debug logging to the same script shows the frames being recieved, but ignored on 2.6.0".
If I remove this check, I should be careful. But the user is explicitly asking to roll back this change.
Let's look for tests that might cover this.
`test/cemi_tests/cemi_handler_test.py` seems relevant.
<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>}<tool_call|><|tool_response>
Turn 4at 157 s94 tokens out9,492 prompt tokens
I don't see a test case specifically for ignoring "own" CEMIs in `test_incoming_cemi` or other tests shown. Let's read the rest of `test/cemi_tests/cemi_handler_test.py`.
TOOL CALL · read_file
{
"filepath": "test/cemi_tests/cemi_handler_test.py",
"start_line": 151
}Result of read_file 1,565 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": " # LDataInd Unsupported Extended APCI from 0.0.1 to 0/0/0 broadcast\n # <UnsupportedCEMIMessage description=\"APCI not supported: 0b1111111000 in CEMI: 2900b0d0000100000103f8\" />\n bytes.fromhex(\"2900b0d0000100000103f8\"),\n ],\n)\ndef test_unsupported_cemi(raw):\n \"\"\"Test incoming unsupported CEMI Frames.\"\"\"\n xknx = XKNX()\n\n with patch(\"logging.Logger.info\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"\n ) as mock_handle_cemi_frame:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_info.assert_called_once()\n mock_handle_cemi_frame.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1\n\n\ndef test_incoming_from_self():\n \"\"\"Test incoming CEMI from own IA.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.22\")\n # L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F\n raw = bytes.fromhex(\"2900bcd011162916030080 0c 3f\")\n\n with patch(\"logging.Logger.debug\") as mock_debug, patch.object(\n xknx.cemi_handler, \"telegram_received\"\n ) as mock_telegram_received:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_debug.assert_called_once()\n mock_telegram_received.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1",
"start_line": 151,
"end_line": 182,
"total_lines": 182,
"is_truncated": false
}Generated tokens 94 tokens · stopped: STOP
I don't see a test case specifically for ignoring "own" CEMIs in `test_incoming_cemi` or other tests shown.
Let's read the rest of `test/cemi_tests/cemi_handler_test.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>,start_line:151}<tool_call|><|tool_response>
Turn 5at 239 s1,042 tokens out10,208 prompt tokens
Found it!
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.22")
# L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F
raw = bytes.fromhex("2900bcd011162916030080 0c 3f")
with patch("logging.Logger.debug") as mock_debug, patch.object(
xknx.cemi_handler, "telegram_received"
) as mock_telegram_received:
xknx.cemi_handler.handle_raw_cemi(raw)
mock_debug.assert_called_once()
mock_telegram_received.assert_not_called()
assert xknx.connection_manager.cemi_count_incoming_error == 1
```
This test explicitly verifies that telegrams from the own IA are ignored.
If I remove the check in `xknx/cemi/cemi_handler.py`, this test will fail.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
If the user has a gateway that produces telegrams using its own address, they want to receive them.
The question is whether we should allow this behavior globally or make it configurable. Given the context of the issue report and the user's request ("Is it possible to roll back this change?"), it seems they want the previous behavior (pre-2.6.0) where these were NOT ignored.
Wait, if I remove the check, am I introducing a bug for other users?
KNX IP interfaces can reflect telegrams. If `xknx` sends a telegram, the interface might send it back to the client. If the client processes its own sent telegram as a new incoming one, it might trigger an infinite loop if the application logic is "when value X is received, send value Y".
However, if the address of the device sending the telegram is the same as the client's address, it's impossible to tell if the client sent it or if the gateway sent it on behalf of some other device (like a Modbus device) attached to the gateway.
If the user wants to receive these telegrams, the only way is to stop ignoring telegrams from the current address.
Is there a better way than just removing the check?
Maybe a configuration option in `XKNX`?
But the user is asking for a rollback.
Let's try to reproduce the issue first.
I'll create a reproduction script that simulates the condition.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport asyncio\nfrom xknx import XKNX\nfrom xknx.telegram import IndividualAddress, GroupAddress\nfrom xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData\nfrom xknx.telegram import apci, tpci\n\nasync def main():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)\n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(apci.DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),\n )\n # This is not quite right because CEMIFrame and CEMILData are needed\n # Let's use the actual classes\n from xknx.telegram import Telegram\n \n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n \n # Manually trigger the handler\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n print(f\"Telegrams in queue: {xknx.telegrams.qsize()}\")\n print(f\"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}\")\n\nfrom xknx.telegram import Telegram\nasyncio.run(main())\nPY\n"
}Result of run_command 985 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Traceback (most recent call last):\n File \"<stdin>\", line 32, in <module>\n File \"/usr/local/lib/python3.10/asyncio/runners.py\", line 44, in run\n return loop.run_until_complete(main)\n File \"/usr/local/lib/python3.10/asyncio/base_events.py\", line 649, in run_until_complete\n return future.result()\n File \"<stdin>\", line 12, in main\nUnboundLocalError: local variable 'Telegram' referenced before assignment\n",
"details": {
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 32, in <module>\n File \"/usr/local/lib/python3.10/asyncio/runners.py\", line 44, in run\n return loop.run_until_complete(main)\n File \"/usr/local/lib/python3.10/asyncio/base_events.py\", line 649, in run_until_complete\n return future.result()\n File \"<stdin>\", line 12, in main\nUnboundLocalError: local variable 'Telegram' referenced before assignment\n",
"exit_code": 1
}
}Generated tokens 1,042 tokens · stopped: STOP
Found it!
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.22")
# L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F
raw = bytes.fromhex("2900bcd011162916030080 0c 3f")
with patch("logging.Logger.debug") as mock_debug, patch.object(
xknx.cemi_handler, "telegram_received"
) as mock_telegram_received:
xknx.cemi_handler.handle_raw_cemi(raw)
mock_debug.assert_called_once()
mock_telegram_received.assert_not_called()
assert xknx.connection_manager.cemi_count_incoming_error == 1
```
This test explicitly verifies that telegrams from the own IA are ignored.
If I remove the check in `xknx/cemi/cemi_handler.py`, this test will fail.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
If the user has a gateway that produces telegrams using its own address, they want to receive them.
The question is whether we should allow this behavior globally or make it configurable. Given the context of the issue report and the user's request ("Is it possible to roll back this change?"), it seems they want the previous behavior (pre-2.6.0) where these were NOT ignored.
Wait, if I remove the check, am I introducing a bug for other users?
KNX IP interfaces can reflect telegrams. If `xknx` sends a telegram, the interface might send it back to the client. If the client processes its own sent telegram as a new incoming one, it might trigger an infinite loop if the application logic is "when value X is received, send value Y".
However, if the address of the device sending the telegram is the same as the client's address, it's impossible to tell if the client sent it or if the gateway sent it on behalf of some other device (like a Modbus device) attached to the gateway.
If the user wants to receive these telegrams, the only way is to stop ignoring telegrams from the current address.
Is there a better way than just removing the check?
Maybe a configuration option in `XKNX`?
But the user is asking for a rollback.
Let's try to reproduce the issue first.
I'll create a reproduction script that simulates the condition.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import asyncio
from xknx import XKNX
from xknx.telegram import IndividualAddress, GroupAddress
from xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData
from xknx.telegram import apci, tpci
async def main():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(apci.DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),
)
# This is not quite right because CEMIFrame and CEMILData are needed
# Let's use the actual classes
from xknx.telegram import Telegram
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
# Manually trigger the handler
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print(f"Telegrams in queue: {xknx.telegrams.qsize()}")
print(f"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}")
from xknx.telegram import Telegram
asyncio.run(main())
PY
<|"|>}<tool_call|><|tool_response>
Turn 6at 260 s395 tokens out11,603 prompt tokens
I made a mistake in the reproduction script. I used `Telegram` before importing it from `xknx.telegram`. Also `DPTArray` needs to be imported.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport asyncio\nfrom xknx import XKNX\nfrom xknx.telegram import IndividualAddress, GroupAddress, Telegram, apci\nfrom xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData\nfrom xknx.dpt import DPTArray\n\nasync def main():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)\n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),\n )\n \n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n \n # Manually trigger the handler\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n print(f\"Telegrams in queue: {xknx.telegrams.qsize()}\")\n print(f\"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}\")\n\nasyncio.run(main())\nPY\n"
}Result of run_command 103 characters
{
"status": "ok",
"stdout": "Telegrams in queue: 1\nIncoming errors: 0\n",
"stderr": "",
"exit_code": 0
}Generated tokens 395 tokens · stopped: STOP
I made a mistake in the reproduction script. I used `Telegram` before importing it from `xknx.telegram`.
Also `DPTArray` needs to be imported.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import asyncio
from xknx import XKNX
from xknx.telegram import IndividualAddress, GroupAddress, Telegram, apci
from xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData
from xknx.dpt import DPTArray
async def main():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
# Manually trigger the handler
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print(f"Telegrams in queue: {xknx.telegrams.qsize()}")
print(f"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}")
asyncio.run(main())
PY
<|"|>}<tool_call|><|tool_response>
Turn 7at 277 s322 tokens out12,052 prompt tokens
Wait, it says "Telegrams in queue: 1" and "Incoming errors: 0".
This means it was NOT ignored!
Why?
Let's look at `CEMILData.init_from_telegram(test_telegram)`.
What is the `src_addr` of the resulting `CEMILData`?
If I create a `Telegram` and call `CEMILData.init_from_telegram(test_telegram)`, the `src_addr` will be `None` because the `Telegram` object does not have a source address set.
In the user's log:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
The `CEMIFrame` has a `src_addr` which is part of `CEMILData`.
Let's see how `CEMILData.init_from_telegram` works.
TOOL CALL · read_file
{
"filepath": "xknx/cemi/cemi_frame.py"
}Result of read_file 4,981 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_frame.py",
"content": "\"\"\"\nModule for serialization and deserialization of KNX/IP CEMI Frame.\n\ncEMI stands for Common External Message Interface\n\nA CEMI frame is the container to transport a KNX/IP Telegram to/from the KNX bus.\n\nDocumentation within:\n\n Application Note 117/08 v02\n KNX IP Communication Medium\n File: AN117 v02.01 KNX IP Communication Medium DV.pdf\n\"\"\"\nfrom __future__ import annotations\n\nfrom abc import ABC, abstractmethod\n\nfrom xknx.exceptions import ConversionError, CouldNotParseCEMI, UnsupportedCEMIMessage\nfrom xknx.profile.const import ResourceObjectType, ResourcePropertyId\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram\nfrom xknx.telegram.apci import APCI\nfrom xknx.telegram.tpci import TPCI, TDataBroadcast\n\nfrom .const import CEMIErrorCode, CEMIFlags, CEMIMessageCode\n\n\nclass CEMIInfo:\n \"\"\"\n Raw helper class for all CEMI additional info.\n\n As specified within KNX Chapter 3.6.3/4.1.4.3 \"Additional information\".\n \"\"\"\n\n def __init__(self, raw: bytes = bytes(0)):\n \"\"\"Initialize CEMILInfo object.\"\"\"\n self.raw = raw\n\n def calculated_length(self) -> int:\n \"\"\"Get length of CEMI info.\"\"\"\n return 1 + len(self.raw)\n\n @staticmethod\n def from_knx(raw: bytes) -> tuple[CEMIInfo, bytes]:\n \"\"\"Parse/deserialize from CEMI raw data.\"\"\"\n length = raw[0]\n return CEMIInfo(raw[1 : length + 1]), raw[length + 1 :]\n\n def to_knx(self) -> bytes:\n \"\"\"Serialize to KNX/IP raw data.\"\"\"\n return bytes((len(self.raw),)) + self.raw\n\n def __repr__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n return f'CEMIInfo(\"{self.raw.hex()}\")'\n\n def __eq__(self, other: object) -> bool:\n \"\"\"Equal operator.\"\"\"\n return self.__dict__ == other.__dict__\n\n\nclass CEMIData(ABC):\n \"\"\"Base class for all CEMI data.\"\"\"\n\n @abstractmethod\n def calculated_length(self) -> int:\n \"\"\"Get length of CEMI data.\"\"\"\n\n @abstractmethod\n def to_knx(self) -> bytes:\n \"\"\"Serialize to CEMI raw data.\"\"\"\n\n @classmethod\n @abstractmethod\n def from_knx(cls, raw: bytes) -> CEMIData:\n \"\"\"Parse/deserialize from KNX/IP raw data.\"\"\"\n\n @abstractmethod\n def __repr__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n\n def __eq__(self, other: object) -> bool:\n \"\"\"Equal operator.\"\"\"\n if self.__class__ != other.__class__:\n return False\n return self.__dict__ == other.__dict__\n\n\nclass CEMILData(CEMIData):\n \"\"\"Representation of CEMI Link Layer Data.\"\"\"\n\n def __init__(\n self,\n *,\n flags: int,\n src_addr: IndividualAddress,\n dst_addr: GroupAddress | IndividualAddress,\n tpci: TPCI,\n payload: APCI | None,\n ):\n \"\"\"Initialize CEMILData object.\"\"\"\n self.flags = flags\n self.src_addr = src_addr\n self.dst_addr = dst_addr\n self.tpci = tpci\n self.payload = payload\n\n @property\n def hops(self) -> int:\n \"\"\"Return hops.\"\"\"\n return (self.flags & 0x0070) >> 4\n\n @hops.setter\n def hops(self, val: int) -> None:\n \"\"\"Set hops.\"\"\"\n # Resetting hops\n self.flags &= 0xFFFF ^ 0x0070\n # Setting new hops\n self.flags |= val << 4\n\n def calculated_length(self) -> int:\n \"\"\"Get length of KNX/IP body.\"\"\"\n if not self.tpci.control and self.payload is not None:\n return 8 + self.payload.calculated_length()\n if self.tpci.control and self.payload is None:\n return 8\n raise TypeError(\"Data TPDU must have a payload; control TPDU must not.\")\n\n @staticmethod\n def init_from_telegram(\n telegram: Telegram,\n src_addr: IndividualAddress | None = None,\n ) -> CEMILData:\n \"\"\"Return CEMILData from a Telegram.\"\"\"\n flags = (\n CEMIFlags.FRAME_TYPE_STANDARD\n | CEMIFlags.DO_NOT_REPEAT\n | CEMIFlags.BROADCAST\n | CEMIFlags.NO_ACK_REQUESTED\n | CEMIFlags.CONFIRM_NO_ERROR\n | CEMIFlags.HOP_COUNT_1ST\n )\n if isinstance(telegram.destination_address, GroupAddress):\n flags |= CEMIFlags.DESTINATION_GROUP_ADDRESS\n if isinstance(telegram.tpci, TDataBroadcast):\n flags |= CEMIFlags.PRIORITY_SYSTEM\n else:\n flags |= CEMIFlags.PRIORITY_LOW\n elif isinstance(telegram.destination_address, IndividualAddress):\n flags |= (\n CEMIFlags.DESTINATION_INDIVIDUAL_ADDRESS | CEMIFlags.PRIORITY_SYSTEM",
"start_line": 1,
"end_line": 150,
"total_lines": 668,
"is_truncated": true
}Generated tokens 322 tokens · stopped: STOP
Wait, it says "Telegrams in queue: 1" and "Incoming errors: 0".
This means it was NOT ignored!
Why?
Let's look at `CEMILData.init_from_telegram(test_telegram)`.
What is the `src_addr` of the resulting `CEMILData`?
If I create a `Telegram` and call `CEMILData.init_from_telegram(test_telegram)`, the `src_addr` will be `None` because the `Telegram` object does not have a source address set.
In the user's log:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
The `CEMIFrame` has a `src_addr` which is part of `CEMILData`.
Let's see how `CEMILData.init_from_telegram` works.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_frame.py<|"|>}<tool_call|><|tool_response>
Turn 8at 299 s592 tokens out13,934 prompt tokens
Wait, `CEMILData.init_from_telegram` takes `src_addr` as an optional argument!
```python
@staticmethod
def init_from_telegram(
telegram: Telegram,
src_addr: IndividualAddress | None = None,
) -> CEMILData:
```
In my reproduction script, I didn't pass `src_addr`, so it was `None`.
And the check in `cemi_handler.py` is:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
```
If `cemi.data.src_addr` is `None`, and `self.xknx.current_address` is `IndividualAddress("1.1.255")`, they are not equal.
Let's fix the reproduction script to pass the `src_addr`.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport asyncio\nfrom xknx import XKNX\nfrom xknx.telegram import IndividualAddress, GroupAddress, Telegram, apci\nfrom xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData\nfrom xknx.dpt import DPTArray\n\nasync def main():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)\n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),\n )\n \n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram, src_addr=IndividualAddress(\"1.1.255\")),\n )\n \n # Manually trigger the handler\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n print(f\"Telegrams in queue: {xknx.telegrams.qsize()}\")\n print(f\"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}\")\n\nasyncio.run(main())\nPY\n"
}Result of run_command 103 characters
{
"status": "ok",
"stdout": "Telegrams in queue: 0\nIncoming errors: 1\n",
"stderr": "",
"exit_code": 0
}Generated tokens 592 tokens · stopped: STOP
Wait, `CEMILData.init_from_telegram` takes `src_addr` as an optional argument!
```python
@staticmethod
def init_from_telegram(
telegram: Telegram,
src_addr: IndividualAddress | None = None,
) -> CEMILData:
```
In my reproduction script, I didn't pass `src_addr`, so it was `None`.
And the check in `cemi_handler.py` is:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
```
If `cemi.data.src_addr` is `None`, and `self.xknx.current_address` is `IndividualAddress("1.1.255")`, they are not equal.
Let's fix the reproduction script to pass the `src_addr`.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import asyncio
from xknx import XKNX
from xknx.telegram import IndividualAddress, GroupAddress, Telegram, apci
from xknx.cemi import CEMIFrame, CEMIMessageCode, CEMILData
from xknx.dpt import DPTArray
async def main():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Simulate a telegram from the gateway itself (1.1.255) to a group address (1/1/4)
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(DPTArray([0xbe, 0xa5, 0xbb, 0xb8])),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram, src_addr=IndividualAddress("1.1.255")),
)
# Manually trigger the handler
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print(f"Telegrams in queue: {xknx.telegrams.qsize()}")
print(f"Incoming errors: {xknx.connection_manager.cemi_count_incoming_error}")
asyncio.run(main())
PY
<|"|>}<tool_call|><|tool_response>
Turn 9at 311 s183 tokens out14,580 prompt tokens
Now it's reproduced! `Telegrams in queue: 0` `Incoming errors: 1` This is exactly what the user is reporting. Now, should I just remove the check? The user says: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?" If I remove this check, I'm essentially rolling back the change from commit `996697ae8cce878aadfcbd95833b1fde3367008a`. Let's search for if this address filtering is discussed anywhere else or used in other places. I'll search for `current_address` usage in the codebase.
TOOL CALL · run_command
{
"command": "grep -rn \"current_address\" ."
}Result of run_command 3,317 characters
{
"status": "ok",
"stdout": "./xknx/core/value_reader.py:75: source_address=self.xknx.current_address,\n./xknx/xknx.py:68: self.current_address = IndividualAddress(0)\n./xknx/cemi/cemi_handler.py:60: self.xknx.current_address if telegram.source_address.raw == 0 else None\n./xknx/cemi/cemi_handler.py:123: and cemi.data.src_addr == self.xknx.current_address\n./xknx/cemi/cemi_handler.py:153: and telegram.destination_address != self.xknx.current_address\n./xknx/remote_value/remote_value.py:208: source_address=self.xknx.current_address,\n./xknx/management/procedures.py:27: source_address=xknx.current_address,\n./xknx/management/management.py:149: source_address=self.xknx.current_address,\n./xknx/management/management.py:175: source_address=self.xknx.current_address,\n./xknx/management/management.py:239: source_address=self.xknx.current_address,\n./xknx/io/tunnel.py:203: self.xknx.current_address = self._src_address\n./xknx/io/routing.py:182: self.xknx.current_address = self.individual_address\n./test/cemi_tests/cemi_handler_test.py:62: xknx.current_address = IndividualAddress(\"1.1.1\")\n./test/cemi_tests/cemi_handler_test.py:114: xknx.current_address = IndividualAddress(\"1.1.1\")\n./test/cemi_tests/cemi_handler_test.py:172: xknx.current_address = IndividualAddress(\"1.1.22\")\n./test/io_tests/tunnel_test.py:98: self.xknx.current_address = IndividualAddress(\"1.0.255\")\n./test/io_tests/routing_test.py:40: self.xknx.current_address = IndividualAddress(\"1.0.255\")\n./test/secure_tests/data_secure_test.py:73: self.xknx.current_address = IndividualAddress(\"5.0.1\")\n./test/secure_tests/data_secure_test.py:142: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:183: self.xknx.current_address = IndividualAddress(\"15.15.0\")\n./test/secure_tests/data_secure_test.py:197: self.xknx.current_address = IndividualAddress(\"15.15.0\")\n./test/secure_tests/data_secure_test.py:310: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:323: destination_address=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:362: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:382: src_addr=self.xknx.current_address,\n./test/management_tests/management_test.py:27: source_address=xknx.current_address,\n./test/management_tests/management_test.py:35: source_address=xknx.current_address,\n./test/management_tests/management_test.py:140: destination_address=xknx.current_address,\n./test/management_tests/management_test.py:145: source_address=xknx.current_address,\n./test/management_tests/management_test.py:162: destination_address=xknx.current_address,\n./test/management_tests/management_test.py:168: source_address=xknx.current_address,\n./test/management_tests/management_test.py:184: assert xknx.current_address != other_address\n./docs/changelog.md:168:- Set xknx.current_address for routing connections so management frames received over Routing are handled properly.\n",
"stderr": "",
"exit_code": 0
}Generated tokens 183 tokens · stopped: STOP
Now it's reproduced!
`Telegrams in queue: 0`
`Incoming errors: 1`
This is exactly what the user is reporting.
Now, should I just remove the check?
The user says: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?"
If I remove this check, I'm essentially rolling back the change from commit `996697ae8cce878aadfcbd95833b1fde3367008a`.
Let's search for if this address filtering is discussed anywhere else or used in other places.
I'll search for `current_address` usage in the codebase.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "current_address" .<|"|>}<tool_call|><|tool_response>
Turn 10at 374 s161 tokens out6,273 prompt tokens
The `current_address` is used in many places. But here: ```python ./xknx/cemi/cemi_handler.py:123: and cemi.data.src_addr == self.xknx.current_address ``` This is exactly the check we are talking about. If I remove this check, I should check if any tests break. The user mentioned `test/cemi_tests/cemi_handler_test.py`. Let's look at it.
TOOL CALL · read_file
{
"end_line": 140,
"filepath": "test/cemi_tests/cemi_handler_test.py",
"start_line": 110
}Result of read_file 1,289 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": ")\ndef test_incoming_management_telegram(telegram):\n \"\"\"Test incoming management CEMI.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.1\")\n\n with patch.object(xknx.management, \"process\") as mock_management_process:\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n mock_management_process.assert_called_once()\n assert xknx.telegrams.qsize() == 0\n assert xknx.connection_manager.cemi_count_incoming == 1\n\n\n@pytest.mark.parametrize(\n \"raw\",\n [\n # <CouldNotParseCEMI description=\"CEMI too small. Length: 9; CEMI: 2900b06010fa10ff00\" />\n # communication_channel_id: 0x02 sequence_counter: 0x81\n bytes.fromhex(\"2900b06010fa10ff00\"),\n ],\n)\ndef test_invalid_cemi(raw):\n \"\"\"Test incoming invalid CEMI Frames.\"\"\"\n xknx = XKNX()\n\n with patch(\"logging.Logger.warning\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"",
"start_line": 110,
"end_line": 140,
"total_lines": 182,
"is_truncated": false
}Generated tokens 161 tokens · stopped: STOP
The `current_address` is used in many places.
But here:
```python
./xknx/cemi/cemi_handler.py:123: and cemi.data.src_addr == self.xknx.current_address
```
This is exactly the check we are talking about.
If I remove this check, I should check if any tests break.
The user mentioned `test/cemi_tests/cemi_handler_test.py`. Let's look at it.<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>,start_line:110,end_line:140}<tool_call|><|tool_response>
Turn 11at 377 s63 tokens out6,916 prompt tokens
I missed `test_incoming_from_self`. Let me look for it in the file.
TOOL CALL · run_command
{
"command": "grep -n \"test_incoming_from_self\" test/cemi_tests/cemi_handler_test.py"
}Result of run_command 96 characters
{
"status": "ok",
"stdout": "169:def test_incoming_from_self():\n",
"stderr": "",
"exit_code": 0
}Generated tokens 63 tokens · stopped: STOP
I missed `test_incoming_from_self`. Let me look for it in the file.
<channel|><|tool_call>call:run_command{command:<|"|>grep -n "test_incoming_from_self" test/cemi_tests/cemi_handler_test.py<|"|>}<tool_call|><|tool_response>
Turn 12at 380 s54 tokens out7,032 prompt tokens
Let's read that part.
TOOL CALL · read_file
{
"end_line": 182,
"filepath": "test/cemi_tests/cemi_handler_test.py",
"start_line": 160
}Result of read_file 1,197 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": " with patch(\"logging.Logger.info\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"\n ) as mock_handle_cemi_frame:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_info.assert_called_once()\n mock_handle_cemi_frame.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1\n\n\ndef test_incoming_from_self():\n \"\"\"Test incoming CEMI from own IA.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.22\")\n # L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F\n raw = bytes.fromhex(\"2900bcd011162916030080 0c 3f\")\n\n with patch(\"logging.Logger.debug\") as mock_debug, patch.object(\n xknx.cemi_handler, \"telegram_received\"\n ) as mock_telegram_received:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_debug.assert_called_once()\n mock_telegram_received.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1",
"start_line": 160,
"end_line": 182,
"total_lines": 182,
"is_truncated": false
}Generated tokens 54 tokens · stopped: STOP
Let's read that part.
<channel|><|tool_call>call:read_file{end_line:182,filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>,start_line:160}<tool_call|><|tool_response>
Turn 13at 427 s661 tokens out7,549 prompt tokens
Yes, there it is.
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.22")
# L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F
raw = bytes.fromhex("2900bcd011162916030080 0c 3f")
with patch("logging.Logger.debug") as mock_debug, patch.object(
xknx.cemi_handler, "telegram_received"
) as mock_telegram_received:
xknx.cemi_handler.handle_raw_cemi(raw)
mock_debug.assert_called_once()
mock_telegram_received.assert_not_called()
assert xknx.connection_manager.cemi_count_incoming_error == 1
```
Wait, `assert xknx.connection_manager.cemi_count_incoming_error == 1`.
My reproduction script also ended with `Incoming errors: 1`.
If I remove the check, this test will fail.
The question is: is this check actually useful to prevent loops?
KNX IP packets normally don't loop back in a way that would cause an infinite loop within the application if you just receive your own telegram. If you send it, you don't expect to receive it unless the gateway sends it back (which some do).
The user reports that their gateway (SE SpaceLYnk) produces telegrams on behalf of attached devices using the gateway's own address. These are NOT loopbacks. They are legitimate source messages.
If we remove the check, we allow these.
If we keep the check, we block them.
If someone has a setup where loopbacks ARE happening and causing problems, they might be affected. But the current implementation is a blanket ban on any telegram coming from the `current_address`.
Given the user's request and the fact that they are missing critical data, I think removing the check is the right move. If we need to prevent loops, it should probably be done at a higher level or with a more sophisticated check.
Let's double check if there are any other places where this check might be important.
In `xknx/cemi/cemi_handler.py`, there is also line 153:
```python
and telegram.destination_address != self.xknx.current_address
```
Wait, that's for `L_DATA_CON` (confirmation frames)? No, let's check.
TOOL CALL · read_file
{
"end_line": 160,
"filepath": "xknx/cemi/cemi_handler.py",
"start_line": 120
}Result of read_file 1,698 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"content": " return\n if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n logger.debug(\"Incoming CEMI: %s\", cemi)\n\n if self.data_secure is not None:\n try:\n cemi.data = self.data_secure.received_cemi(cemi_data=cemi.data)\n except DataSecureError as err:\n data_secure_logger.log(\n err.log_level,\n \"Could not decrypt CEMI frame: %s\",\n err,\n )\n return\n self.xknx.connection_manager.cemi_count_incoming += 1\n telegram = cemi.data.telegram()\n telegram.direction = TelegramDirection.INCOMING\n self.telegram_received(telegram)\n\n def telegram_received(self, telegram: Telegram) -> None:\n \"\"\"Forward Telegram to upper layer.\"\"\"\n if isinstance(telegram.tpci, tpci.TDataGroup):\n self.xknx.telegrams.put_nowait(telegram)\n return\n if (\n isinstance(telegram.destination_address, IndividualAddress)\n and telegram.destination_address != self.xknx.current_address\n ):\n return\n self.xknx.management.process(telegram)",
"start_line": 120,
"end_line": 156,
"total_lines": 156,
"is_truncated": false
}Generated tokens 661 tokens · stopped: STOP
Yes, there it is.
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.22")
# L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F
raw = bytes.fromhex("2900bcd011162916030080 0c 3f")
with patch("logging.Logger.debug") as mock_debug, patch.object(
xknx.cemi_handler, "telegram_received"
) as mock_telegram_received:
xknx.cemi_handler.handle_raw_cemi(raw)
mock_debug.assert_called_once()
mock_telegram_received.assert_not_called()
assert xknx.connection_manager.cemi_count_incoming_error == 1
```
Wait, `assert xknx.connection_manager.cemi_count_incoming_error == 1`.
My reproduction script also ended with `Incoming errors: 1`.
If I remove the check, this test will fail.
The question is: is this check actually useful to prevent loops?
KNX IP packets normally don't loop back in a way that would cause an infinite loop within the application if you just receive your own telegram. If you send it, you don't expect to receive it unless the gateway sends it back (which some do).
The user reports that their gateway (SE SpaceLYnk) produces telegrams on behalf of attached devices using the gateway's own address. These are NOT loopbacks. They are legitimate source messages.
If we remove the check, we allow these.
If we keep the check, we block them.
If someone has a setup where loopbacks ARE happening and causing problems, they might be affected. But the current implementation is a blanket ban on any telegram coming from the `current_address`.
Given the user's request and the fact that they are missing critical data, I think removing the check is the right move. If we need to prevent loops, it should probably be done at a higher level or with a more sophisticated check.
Let's double check if there are any other places where this check might be important.
In `xknx/cemi/cemi_handler.py`, there is also line 153:
```python
and telegram.destination_address != self.xknx.current_address
```
Wait, that's for `L_DATA_CON` (confirmation frames)? No, let's check.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>,start_line:120,end_line:160}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
Test output Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test errors Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test report (JUnit) Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Agent log Included
[ 0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
[ 0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository XKNX/xknx.
[ 16.0s] 💭 (653 chars) "The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway
itself are ignored.
The problem ..."
[ 16.0s] 🔧 run_command grep -rn --include="*.py" "Ignoring own CEMI" .
[ 16.1s] → ./xknx/cemi/cemi_handler.py:126: logger.debug("Ignoring own CEMI: %s", cemi)
[ 20.4s] 💭 (97 chars) "The issue is in `xknx/cemi/cemi_handler.py` at line 126.
Let's examine the code around that line."
[ 20.4s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 20.4s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': '\n if cemi.code is
CEMIMessageCode.L_DATA_C…
[ 97.0s] 💭 (3922 chars) "The code says:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.sr..."
[ 97.0s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 97.0s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': '"""Test for
CEMIHandler."""\nimport asy…
[ 104.1s] 💭 (170 chars) "I don't see a test case specifically for ignoring "own" CEMIs in `test_incoming_cemi` or
other tests shown.
Let's read t..."
[ 104.1s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 104.1s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': ' # LDataInd
Unsupported Extended…
[ 186.8s] 💭 (2310 chars) "Found it!
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
xknx...."
[ 186.8s] 🔧 run_command (34 lines) python3 - <<'PY'
[ 187.1s] → error (exit 0):
[ 207.1s] 💭 (142 chars) "I made a mistake in the reproduction script. I used `Telegram` before importing it from
`xknx.telegram`.
Also `DPTArray`..."
[ 207.1s] 🔧 run_command (30 lines) python3 - <<'PY'
[ 207.2s] → Telegrams in queue: 1
[ 224.4s] 💭 (797 chars) "Wait, it says "Telegrams in queue: 1" and "Incoming errors: 0".
This means it was NOT ignored!
Why?
Let's look at `CEMI..."
[ 224.4s] 📖 read_file (xknx/cemi/cemi_frame.py)
[ 224.5s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_frame.py', 'content': '"""\nModule for serialization and
deserialization of…
[ 246.3s] 💭 (684 chars) "Wait, `CEMILData.init_from_telegram` takes `src_addr` as an optional argument!
```python
@staticmethod
def init..."
[ 246.3s] 🔧 run_command (30 lines) python3 - <<'PY'
[ 246.5s] → Telegrams in queue: 0
[ 258.5s] 💭 (534 chars) "Now it's reproduced!
`Telegrams in queue: 0`
`Incoming errors: 1`
This is exactly what the user is reporting.
Now, sho..."
[ 258.5s] 🔧 run_command grep -rn "current_address" .
[ 258.5s] → ./xknx/core/value_reader.py:75: source_address=self.xknx.current_address,
[ 321.3s] 💭 (350 chars) "The `current_address` is used in many places.
But here:
```python
./xknx/cemi/cemi_handler.py:123: and cemi.d..."
[ 321.3s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 321.3s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': ')\ndef
test_incoming_management_telegra…
[ 324.6s] 💭 (67 chars) "I missed `test_incoming_from_self`. Let me look for it in the file."
[ 324.6s] 🔧 run_command grep -n "test_incoming_from_self" test/cemi_tests/cemi_handler_test.py
[ 324.7s] → 169:def test_incoming_from_self():
[ 327.3s] 💭 (21 chars) "Let's read that part."
[ 327.3s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 327.3s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': ' with
patch("logging.Logger.info") a…
[ 374.5s] 💭 (2169 chars) "Yes, there it is.
```python
def test_incoming_from_self():
"""Test incoming CEMI from own IA."""
xknx = XKNX()
..."
[ 374.5s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 374.5s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': ' return\n if (\n
cemi…
Native result row
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"agent_error": "Agent exceeded session timeout (7.5 min)",
"duration_seconds": 505.0,
"error": "Empty agent patch",
"grade": {
"error": "Empty agent patch",
"resolved": false,
"strict_clean_patch": false,
"test_exit_code": -1
},
"instance_id": "xknx__xknx-1227",
"pass_idx": 0,
"patch_chars": 0,
"phase1_seconds": 505.0,
"repo": "XKNX/xknx",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/xknx__xknx-1227__p0__r1.jsonl",
"resolved": false,
"rollout_idx": 1,
"run_key": "xknx__xknx-1227__p0__r1",
"strict_clean_patch": false,
"tool_calls": 13,
"total_llm_calls": 13,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_xknx__xknx-1227__p0__r1.json"
}